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/[tomoyo]/trunk/1.7.x/ccs-patch/security/ccsecurity/util.c

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revision 1992 by kumaneko, Mon Dec 22 00:57:21 2008 UTC revision 2002 by kumaneko, Wed Dec 24 04:28:31 2008 UTC
# Line 5  Line 5 
5   *   *
6   * Copyright (C) 2005-2008  NTT DATA CORPORATION   * Copyright (C) 2005-2008  NTT DATA CORPORATION
7   *   *
8   * Version: 1.6.6-pre   2008/12/22   * Version: 1.6.6-pre   2008/12/24
9   *   *
10   * This file is applicable to both 2.4.30 and 2.6.11 and later.   * This file is applicable to both 2.4.30 and 2.6.11 and later.
11   * See README.ccs for ChangeLog.   * See README.ccs for ChangeLog.
# Line 27  Line 27 
27  #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 5, 0)  #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 5, 0)
28  #include <linux/namei.h>  #include <linux/namei.h>
29  #include <linux/mount.h>  #include <linux/mount.h>
30  static const int lookup_flags = LOOKUP_FOLLOW;  static const int ccs_lookup_flags = LOOKUP_FOLLOW;
31  #else  #else
32  static const int lookup_flags = LOOKUP_FOLLOW | LOOKUP_POSITIVE;  static const int ccs_lookup_flags = LOOKUP_FOLLOW | LOOKUP_POSITIVE;
33  #endif  #endif
34  #include <linux/realpath.h>  #include <linux/realpath.h>
35  #include <linux/ccs_common.h>  #include <linux/ccs_common.h>
# Line 56  static const int lookup_flags = LOOKUP_F Line 56  static const int lookup_flags = LOOKUP_F
56  #endif  #endif
57    
58  /* Has /sbin/init started? */  /* Has /sbin/init started? */
59  bool sbin_init_started;  bool ccs_sbin_init_started;
60    
61  /* Log level for SAKURA's printk(). */  /* Log level for SAKURA's printk(). */
62  const char *ccs_log_level = KERN_DEBUG;  const char *ccs_log_level = KERN_DEBUG;
63    
64  /* String table for functionality that takes 4 modes. */  /* String table for functionality that takes 4 modes. */
65  static const char *mode_4[4] = {  static const char *ccs_mode_4[4] = {
66          "disabled", "learning", "permissive", "enforcing"          "disabled", "learning", "permissive", "enforcing"
67  };  };
68  /* String table for functionality that takes 2 modes. */  /* String table for functionality that takes 2 modes. */
69  static const char *mode_2[4] = {  static const char *ccs_mode_2[4] = {
70          "disabled", "enabled", "enabled", "enabled"          "disabled", "enabled", "enabled", "enabled"
71  };  };
72    
# Line 100  static struct { Line 100  static struct {
100    
101  #ifdef CONFIG_TOMOYO  #ifdef CONFIG_TOMOYO
102  /* Capability name used by domain policy. */  /* Capability name used by domain policy. */
103  static const char *capability_control_keyword[TOMOYO_MAX_CAPABILITY_INDEX] = {  static const char *ccs_capability_control_keyword[TOMOYO_MAX_CAPABILITY_INDEX]
104    = {
105          [TOMOYO_INET_STREAM_SOCKET_CREATE]  = "inet_tcp_create",          [TOMOYO_INET_STREAM_SOCKET_CREATE]  = "inet_tcp_create",
106          [TOMOYO_INET_STREAM_SOCKET_LISTEN]  = "inet_tcp_listen",          [TOMOYO_INET_STREAM_SOCKET_LISTEN]  = "inet_tcp_listen",
107          [TOMOYO_INET_STREAM_SOCKET_CONNECT] = "inet_tcp_connect",          [TOMOYO_INET_STREAM_SOCKET_CONNECT] = "inet_tcp_connect",
# Line 136  static const char *capability_control_ke Line 137  static const char *capability_control_ke
137  #endif  #endif
138    
139  /* Profile table. Memory is allocated as needed. */  /* Profile table. Memory is allocated as needed. */
140  static struct profile {  static struct ccs_profile {
141          unsigned int value[CCS_MAX_CONTROL_INDEX];          unsigned int value[CCS_MAX_CONTROL_INDEX];
142          const struct path_info *comment;          const struct ccs_path_info *comment;
143  #ifdef CONFIG_TOMOYO  #ifdef CONFIG_TOMOYO
144          unsigned char capability_value[TOMOYO_MAX_CAPABILITY_INDEX];          unsigned char capability_value[TOMOYO_MAX_CAPABILITY_INDEX];
145  #endif  #endif
146  } *profile_ptr[MAX_PROFILES];  } *ccs_profile_ptr[MAX_PROFILES];
147    
148  /* Permit policy management by non-root user? */  /* Permit policy management by non-root user? */
149  static bool manage_by_non_root;  static bool ccs_manage_by_non_root;
150    
151  /* Utility functions. */  /* Utility functions. */
152    
153  #ifdef CONFIG_TOMOYO  #ifdef CONFIG_TOMOYO
154  /**  /**
155   * tomoyo_quiet_setup - Set TOMOYO_VERBOSE=0 by default.   * ccs_quiet_setup - Set TOMOYO_VERBOSE=0 by default.
156   *   *
157   * @str: Unused.   * @str: Unused.
158   *   *
159   * Returns 0.   * Returns 0.
160   */   */
161  static int __init tomoyo_quiet_setup(char *str)  static int __init ccs_quiet_setup(char *str)
162  {  {
163          ccs_control_array[CCS_TOMOYO_VERBOSE].current_value = 0;          ccs_control_array[CCS_TOMOYO_VERBOSE].current_value = 0;
164          return 0;          return 0;
165  }  }
166    
167  __setup("TOMOYO_QUIET", tomoyo_quiet_setup);  __setup("TOMOYO_QUIET", ccs_quiet_setup);
168  #endif  #endif
169    
170  /**  /**
171   * is_byte_range - Check whether the string isa \ooo style octal value.   * ccs_is_byte_range - Check whether the string isa \ooo style octal value.
172   *   *
173   * @str: Pointer to the string.   * @str: Pointer to the string.
174   *   *
175   * Returns true if @str is a \ooo style octal value, false otherwise.   * Returns true if @str is a \ooo style octal value, false otherwise.
176   */   */
177  static inline bool is_byte_range(const char *str)  static inline bool ccs_is_byte_range(const char *str)
178  {  {
179          return *str >= '0' && *str++ <= '3' &&          return *str >= '0' && *str++ <= '3' &&
180                  *str >= '0' && *str++ <= '7' &&                  *str >= '0' && *str++ <= '7' &&
# Line 181  static inline bool is_byte_range(const c Line 182  static inline bool is_byte_range(const c
182  }  }
183    
184  /**  /**
185   * is_decimal - Check whether the character is a decimal character.   * ccs_is_decimal - Check whether the character is a decimal character.
186   *   *
187   * @c: The character to check.   * @c: The character to check.
188   *   *
189   * Returns true if @c is a decimal character, false otherwise.   * Returns true if @c is a decimal character, false otherwise.
190   */   */
191  static inline bool is_decimal(const char c)  static inline bool ccs_is_decimal(const char c)
192  {  {
193          return c >= '0' && c <= '9';          return c >= '0' && c <= '9';
194  }  }
195    
196  /**  /**
197   * is_hexadecimal - Check whether the character is a hexadecimal character.   * ccs_is_hexadecimal - Check whether the character is a hexadecimal character.
198   *   *
199   * @c: The character to check.   * @c: The character to check.
200   *   *
201   * Returns true if @c is a hexadecimal character, false otherwise.   * Returns true if @c is a hexadecimal character, false otherwise.
202   */   */
203  static inline bool is_hexadecimal(const char c)  static inline bool ccs_is_hexadecimal(const char c)
204  {  {
205          return (c >= '0' && c <= '9') ||          return (c >= '0' && c <= '9') ||
206                  (c >= 'A' && c <= 'F') ||                  (c >= 'A' && c <= 'F') ||
# Line 207  static inline bool is_hexadecimal(const Line 208  static inline bool is_hexadecimal(const
208  }  }
209    
210  /**  /**
211   * is_alphabet_char - Check whether the character is an alphabet.   * ccs_is_alphabet_char - Check whether the character is an alphabet.
212   *   *
213   * @c: The character to check.   * @c: The character to check.
214   *   *
215   * Returns true if @c is an alphabet character, false otherwise.   * Returns true if @c is an alphabet character, false otherwise.
216   */   */
217  static inline bool is_alphabet_char(const char c)  static inline bool ccs_is_alphabet_char(const char c)
218  {  {
219          return (c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z');          return (c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z');
220  }  }
221    
222  /**  /**
223   * make_byte - Make byte value from three octal characters.   * ccs_make_byte - Make byte value from three octal characters.
224   *   *
225   * @c1: The first character.   * @c1: The first character.
226   * @c2: The second character.   * @c2: The second character.
# Line 227  static inline bool is_alphabet_char(cons Line 228  static inline bool is_alphabet_char(cons
228   *   *
229   * Returns byte value.   * Returns byte value.
230   */   */
231  static inline u8 make_byte(const u8 c1, const u8 c2, const u8 c3)  static inline u8 ccs_make_byte(const u8 c1, const u8 c2, const u8 c3)
232  {  {
233          return ((c1 - '0') << 6) + ((c2 - '0') << 3) + (c3 - '0');          return ((c1 - '0') << 6) + ((c2 - '0') << 3) + (c3 - '0');
234  }  }
235    
236  /**  /**
237   * str_starts - Check whether the given string starts with the given keyword.   * ccs_str_starts - Check whether the given string starts with the given keyword.
238   *   *
239   * @src:  Pointer to pointer to the string.   * @src:  Pointer to pointer to the string.
240   * @find: Pointer to the keyword.   * @find: Pointer to the keyword.
# Line 243  static inline u8 make_byte(const u8 c1, Line 244  static inline u8 make_byte(const u8 c1,
244   * The @src is updated to point the first character after the @find   * The @src is updated to point the first character after the @find
245   * if @src starts with @find.   * if @src starts with @find.
246   */   */
247  static bool str_starts(char **src, const char *find)  static bool ccs_str_starts(char **src, const char *find)
248  {  {
249          const int len = strlen(find);          const int len = strlen(find);
250          char *tmp = *src;          char *tmp = *src;
# Line 255  static bool str_starts(char **src, const Line 256  static bool str_starts(char **src, const
256  }  }
257    
258  /**  /**
259   * normalize_line - Format string.   * ccs_normalize_line - Format string.
260   *   *
261   * @buffer: The line to normalize.   * @buffer: The line to normalize.
262   *   *
# Line 264  static bool str_starts(char **src, const Line 265  static bool str_starts(char **src, const
265   *   *
266   * Returns nothing.   * Returns nothing.
267   */   */
268  static void normalize_line(unsigned char *buffer)  static void ccs_normalize_line(unsigned char *buffer)
269  {  {
270          unsigned char *sp = buffer;          unsigned char *sp = buffer;
271          unsigned char *dp = buffer;          unsigned char *dp = buffer;
# Line 358  bool ccs_is_correct_path(const char *fil Line 359  bool ccs_is_correct_path(const char *fil
359                                  e = *filename++;                                  e = *filename++;
360                                  if (e < '0' || e > '7')                                  if (e < '0' || e > '7')
361                                          break;                                          break;
362                                  c = make_byte(c, d, e);                                  c = ccs_make_byte(c, d, e);
363                                  if (c && (c <= ' ' || c >= 127))                                  if (c && (c <= ' ' || c >= 127))
364                                          continue; /* pattern is not \000 */                                          continue; /* pattern is not \000 */
365                          }                          }
# Line 422  bool ccs_is_correct_domain(const unsigne Line 423  bool ccs_is_correct_domain(const unsigne
423                                          e = *domainname++;                                          e = *domainname++;
424                                          if (e < '0' || e > '7')                                          if (e < '0' || e > '7')
425                                                  break;                                                  break;
426                                          c = make_byte(c, d, e);                                          c = ccs_make_byte(c, d, e);
427                                          if (c && (c <= ' ' || c >= 127))                                          if (c && (c <= ' ' || c >= 127))
428                                                  /* pattern is not \000 */                                                  /* pattern is not \000 */
429                                                  continue;                                                  continue;
# Line 462  bool ccs_is_domain_def(const unsigned ch Line 463  bool ccs_is_domain_def(const unsigned ch
463  struct domain_info *ccs_find_domain(const char *domainname)  struct domain_info *ccs_find_domain(const char *domainname)
464  {  {
465          struct domain_info *domain;          struct domain_info *domain;
466          struct path_info name;          struct ccs_path_info name;
467          name.name = domainname;          name.name = domainname;
468          ccs_fill_path_info(&name);          ccs_fill_path_info(&name);
469          list1_for_each_entry(domain, &domain_list, list) {          list1_for_each_entry(domain, &ccs_domain_list, list) {
470                  if (!domain->is_deleted &&                  if (!domain->is_deleted &&
471                      !ccs_pathcmp(&name, domain->domainname))                      !ccs_pathcmp(&name, domain->domainname))
472                          return domain;                          return domain;
# Line 474  struct domain_info *ccs_find_domain(cons Line 475  struct domain_info *ccs_find_domain(cons
475  }  }
476    
477  /**  /**
478   * path_depth - Evaluate the number of '/' in a string.   * ccs_path_depth - Evaluate the number of '/' in a string.
479   *   *
480   * @pathname: The string to evaluate.   * @pathname: The string to evaluate.
481   *   *
# Line 483  struct domain_info *ccs_find_domain(cons Line 484  struct domain_info *ccs_find_domain(cons
484   * I score 2 for each of the '/' in the @pathname   * I score 2 for each of the '/' in the @pathname
485   * and score 1 if the @pathname ends with '/'.   * and score 1 if the @pathname ends with '/'.
486   */   */
487  static int path_depth(const char *pathname)  static int ccs_path_depth(const char *pathname)
488  {  {
489          int i = 0;          int i = 0;
490          if (pathname) {          if (pathname) {
# Line 500  static int path_depth(const char *pathna Line 501  static int path_depth(const char *pathna
501  }  }
502    
503  /**  /**
504   * const_part_length - Evaluate the initial length without a pattern in a token.   * ccs_const_part_length - Evaluate the initial length without a pattern in a token.
505   *   *
506   * @filename: The string to evaluate.   * @filename: The string to evaluate.
507   *   *
508   * Returns the initial length without a pattern in @filename.   * Returns the initial length without a pattern in @filename.
509   */   */
510  static int const_part_length(const char *filename)  static int ccs_const_part_length(const char *filename)
511  {  {
512          char c;          char c;
513          int len = 0;          int len = 0;
# Line 544  static int const_part_length(const char Line 545  static int const_part_length(const char
545  }  }
546    
547  /**  /**
548   * ccs_fill_path_info - Fill in "struct path_info" members.   * ccs_fill_path_info - Fill in "struct ccs_path_info" members.
549   *   *
550   * @ptr: Pointer to "struct path_info" to fill in.   * @ptr: Pointer to "struct ccs_path_info" to fill in.
551   *   *
552   * The caller sets "struct path_info"->name.   * The caller sets "struct ccs_path_info"->name.
553   */   */
554  void ccs_fill_path_info(struct path_info *ptr)  void ccs_fill_path_info(struct ccs_path_info *ptr)
555  {  {
556          const char *name = ptr->name;          const char *name = ptr->name;
557          const int len = strlen(name);          const int len = strlen(name);
558          ptr->total_len = len;          ptr->total_len = len;
559          ptr->const_len = const_part_length(name);          ptr->const_len = ccs_const_part_length(name);
560          ptr->is_dir = len && (name[len - 1] == '/');          ptr->is_dir = len && (name[len - 1] == '/');
561          ptr->is_patterned = (ptr->const_len < len);          ptr->is_patterned = (ptr->const_len < len);
562          ptr->hash = full_name_hash(name, len);          ptr->hash = full_name_hash(name, len);
563          ptr->depth = path_depth(name);          ptr->depth = ccs_path_depth(name);
564  }  }
565    
566  /**  /**
567   * file_matches_to_pattern2 - Pattern matching without '/' character   * ccs_file_matches_to_pattern2 - Pattern matching without '/' character
568   * and "\-" pattern.   * and "\-" pattern.
569   *   *
570   * @filename:     The start of string to check.   * @filename:     The start of string to check.
# Line 573  void ccs_fill_path_info(struct path_info Line 574  void ccs_fill_path_info(struct path_info
574   *   *
575   * Returns true if @filename matches @pattern, false otherwise.   * Returns true if @filename matches @pattern, false otherwise.
576   */   */
577  static bool file_matches_to_pattern2(const char *filename,  static bool ccs_file_matches_to_pattern2(const char *filename,
578                                       const char *filename_end,                                           const char *filename_end,
579                                       const char *pattern,                                           const char *pattern,
580                                       const char *pattern_end)                                           const char *pattern_end)
581  {  {
582          while (filename < filename_end && pattern < pattern_end) {          while (filename < filename_end && pattern < pattern_end) {
583                  char c;                  char c;
# Line 596  static bool file_matches_to_pattern2(con Line 597  static bool file_matches_to_pattern2(con
597                          } else if (c == '\\') {                          } else if (c == '\\') {
598                                  if (filename[1] == '\\')                                  if (filename[1] == '\\')
599                                          filename++;                                          filename++;
600                                  else if (is_byte_range(filename + 1))                                  else if (ccs_is_byte_range(filename + 1))
601                                          filename += 3;                                          filename += 3;
602                                  else                                  else
603                                          return false;                                          return false;
# Line 609  static bool file_matches_to_pattern2(con Line 610  static bool file_matches_to_pattern2(con
610                                  return false;                                  return false;
611                          break;                          break;
612                  case '+':                  case '+':
613                          if (!is_decimal(c))                          if (!ccs_is_decimal(c))
614                                  return false;                                  return false;
615                          break;                          break;
616                  case 'x':                  case 'x':
617                          if (!is_hexadecimal(c))                          if (!ccs_is_hexadecimal(c))
618                                  return false;                                  return false;
619                          break;                          break;
620                  case 'a':                  case 'a':
621                          if (!is_alphabet_char(c))                          if (!ccs_is_alphabet_char(c))
622                                  return false;                                  return false;
623                          break;                          break;
624                  case '0':                  case '0':
625                  case '1':                  case '1':
626                  case '2':                  case '2':
627                  case '3':                  case '3':
628                          if (c == '\\' && is_byte_range(filename + 1)                          if (c == '\\' && ccs_is_byte_range(filename + 1)
629                              && strncmp(filename + 1, pattern, 3) == 0) {                              && strncmp(filename + 1, pattern, 3) == 0) {
630                                  filename += 3;                                  filename += 3;
631                                  pattern += 2;                                  pattern += 2;
# Line 634  static bool file_matches_to_pattern2(con Line 635  static bool file_matches_to_pattern2(con
635                  case '*':                  case '*':
636                  case '@':                  case '@':
637                          for (i = 0; i <= filename_end - filename; i++) {                          for (i = 0; i <= filename_end - filename; i++) {
638                                  if (file_matches_to_pattern2(filename + i,                                  if (ccs_file_matches_to_pattern2(filename + i,
639                                                               filename_end,                                                                   filename_end,
640                                                               pattern + 1,                                                                   pattern + 1,
641                                                               pattern_end))                                                                   pattern_end))
642                                          return true;                                          return true;
643                                  c = filename[i];                                  c = filename[i];
644                                  if (c == '.' && *pattern == '@')                                  if (c == '.' && *pattern == '@')
# Line 646  static bool file_matches_to_pattern2(con Line 647  static bool file_matches_to_pattern2(con
647                                          continue;                                          continue;
648                                  if (filename[i + 1] == '\\')                                  if (filename[i + 1] == '\\')
649                                          i++;                                          i++;
650                                  else if (is_byte_range(filename + i + 1))                                  else if (ccs_is_byte_range(filename + i + 1))
651                                          i += 3;                                          i += 3;
652                                  else                                  else
653                                          break; /* Bad pattern. */                                          break; /* Bad pattern. */
# Line 656  static bool file_matches_to_pattern2(con Line 657  static bool file_matches_to_pattern2(con
657                          j = 0;                          j = 0;
658                          c = *pattern;                          c = *pattern;
659                          if (c == '$') {                          if (c == '$') {
660                                  while (is_decimal(filename[j]))                                  while (ccs_is_decimal(filename[j]))
661                                          j++;                                          j++;
662                          } else if (c == 'X') {                          } else if (c == 'X') {
663                                  while (is_hexadecimal(filename[j]))                                  while (ccs_is_hexadecimal(filename[j]))
664                                          j++;                                          j++;
665                          } else if (c == 'A') {                          } else if (c == 'A') {
666                                  while (is_alphabet_char(filename[j]))                                  while (ccs_is_alphabet_char(filename[j]))
667                                          j++;                                          j++;
668                          }                          }
669                          for (i = 1; i <= j; i++) {                          for (i = 1; i <= j; i++) {
670                                  if (file_matches_to_pattern2(filename + i,                                  if (ccs_file_matches_to_pattern2(filename + i,
671                                                               filename_end,                                                                   filename_end,
672                                                               pattern + 1,                                                                   pattern + 1,
673                                                               pattern_end))                                                                   pattern_end))
674                                          return true;                                          return true;
675                          }                          }
676                          return false; /* Not matched or bad pattern. */                          return false; /* Not matched or bad pattern. */
# Line 684  static bool file_matches_to_pattern2(con Line 685  static bool file_matches_to_pattern2(con
685  }  }
686    
687  /**  /**
688   * file_matches_to_pattern - Pattern matching without without '/' character.   * ccs_file_matches_to_pattern - Pattern matching without without '/' character.
689   *   *
690   * @filename:     The start of string to check.   * @filename:     The start of string to check.
691   * @filename_end: The end of string to check.   * @filename_end: The end of string to check.
# Line 693  static bool file_matches_to_pattern2(con Line 694  static bool file_matches_to_pattern2(con
694   *   *
695   * Returns true if @filename matches @pattern, false otherwise.   * Returns true if @filename matches @pattern, false otherwise.
696   */   */
697  static bool file_matches_to_pattern(const char *filename,  static bool ccs_file_matches_to_pattern(const char *filename,
698                                      const char *filename_end,                                          const char *filename_end,
699                                      const char *pattern,                                          const char *pattern,
700                                      const char *pattern_end)                                          const char *pattern_end)
701  {  {
702          const char *pattern_start = pattern;          const char *pattern_start = pattern;
703          bool first = true;          bool first = true;
# Line 705  static bool file_matches_to_pattern(cons Line 706  static bool file_matches_to_pattern(cons
706                  /* Split at "\-" pattern. */                  /* Split at "\-" pattern. */
707                  if (*pattern++ != '\\' || *pattern++ != '-')                  if (*pattern++ != '\\' || *pattern++ != '-')
708                          continue;                          continue;
709                  result = file_matches_to_pattern2(filename, filename_end,                  result = ccs_file_matches_to_pattern2(filename, filename_end,
710                                                    pattern_start, pattern - 2);                                                        pattern_start,
711                                                          pattern - 2);
712                  if (first)                  if (first)
713                          result = !result;                          result = !result;
714                  if (result)                  if (result)
# Line 714  static bool file_matches_to_pattern(cons Line 716  static bool file_matches_to_pattern(cons
716                  first = false;                  first = false;
717                  pattern_start = pattern;                  pattern_start = pattern;
718          }          }
719          result = file_matches_to_pattern2(filename, filename_end,          result = ccs_file_matches_to_pattern2(filename, filename_end,
720                                            pattern_start, pattern_end);                                                pattern_start, pattern_end);
721          return first ? result : !result;          return first ? result : !result;
722  }  }
723    
# Line 740  static bool file_matches_to_pattern(cons Line 742  static bool file_matches_to_pattern(cons
742   *   \a     1 alphabet character.   *   \a     1 alphabet character.
743   *   \-     Subtraction operator.   *   \-     Subtraction operator.
744   */   */
745  bool ccs_path_matches_pattern(const struct path_info *filename,  bool ccs_path_matches_pattern(const struct ccs_path_info *filename,
746                                const struct path_info *pattern)                                const struct ccs_path_info *pattern)
747  {  {
748          /*          /*
749            if (!filename || !pattern)            if (!filename || !pattern)
# Line 769  bool ccs_path_matches_pattern(const stru Line 771  bool ccs_path_matches_pattern(const stru
771                          f_delimiter = f + strlen(f);                          f_delimiter = f + strlen(f);
772                  if (!p_delimiter)                  if (!p_delimiter)
773                          p_delimiter = p + strlen(p);                          p_delimiter = p + strlen(p);
774                  if (!file_matches_to_pattern(f, f_delimiter, p, p_delimiter))                  if (!ccs_file_matches_to_pattern(f, f_delimiter,
775                                                     p, p_delimiter))
776                          return false;                          return false;
777                  f = f_delimiter;                  f = f_delimiter;
778                  if (*f)                  if (*f)
# Line 894  unsigned int ccs_check_flags(const struc Line 897  unsigned int ccs_check_flags(const struc
897          if (!domain)          if (!domain)
898                  domain = current->domain_info;                  domain = current->domain_info;
899          profile = domain->profile;          profile = domain->profile;
900          return sbin_init_started && index < CCS_MAX_CONTROL_INDEX          return ccs_sbin_init_started && index < CCS_MAX_CONTROL_INDEX
901  #if MAX_PROFILES != 256  #if MAX_PROFILES != 256
902                  && profile < MAX_PROFILES                  && profile < MAX_PROFILES
903  #endif  #endif
904                  && profile_ptr[profile] ?                  && ccs_profile_ptr[profile] ?
905                  profile_ptr[profile]->value[index] : 0;                  ccs_profile_ptr[profile]->value[index] : 0;
906  }  }
907    
908  #ifdef CONFIG_TOMOYO  #ifdef CONFIG_TOMOYO
# Line 916  static u8 ccs_check_capability_flags(con Line 919  static u8 ccs_check_capability_flags(con
919  {  {
920          const u8 profile = domain ? domain->profile :          const u8 profile = domain ? domain->profile :
921                  current->domain_info->profile;                  current->domain_info->profile;
922          return sbin_init_started && index < TOMOYO_MAX_CAPABILITY_INDEX          return ccs_sbin_init_started && index < TOMOYO_MAX_CAPABILITY_INDEX
923  #if MAX_PROFILES != 256  #if MAX_PROFILES != 256
924                  && profile < MAX_PROFILES                  && profile < MAX_PROFILES
925  #endif  #endif
926                  && profile_ptr[profile] ?                  && ccs_profile_ptr[profile] ?
927                  profile_ptr[profile]->capability_value[index] : 0;                  ccs_profile_ptr[profile]->capability_value[index] : 0;
928  }  }
929    
930  /**  /**
# Line 934  static u8 ccs_check_capability_flags(con Line 937  static u8 ccs_check_capability_flags(con
937  const char *ccs_cap2keyword(const u8 operation)  const char *ccs_cap2keyword(const u8 operation)
938  {  {
939          return operation < TOMOYO_MAX_CAPABILITY_INDEX          return operation < TOMOYO_MAX_CAPABILITY_INDEX
940                  ? capability_control_keyword[operation] : NULL;                  ? ccs_capability_control_keyword[operation] : NULL;
941  }  }
942    
943  #endif  #endif
# Line 986  bool ccs_verbose_mode(const struct domai Line 989  bool ccs_verbose_mode(const struct domai
989  bool ccs_check_domain_quota(struct domain_info * const domain)  bool ccs_check_domain_quota(struct domain_info * const domain)
990  {  {
991          unsigned int count = 0;          unsigned int count = 0;
992          struct acl_info *ptr;          struct ccs_acl_info *ptr;
993          if (!domain)          if (!domain)
994                  return true;                  return true;
995          list1_for_each_entry(ptr, &domain->acl_info_list, list) {          list1_for_each_entry(ptr, &domain->acl_info_list, list) {
996                  if (ptr->type & ACL_DELETED)                  if (ptr->type & ACL_DELETED)
997                          continue;                          continue;
998                  switch (ccs_acl_type2(ptr)) {                  switch (ccs_acl_type2(ptr)) {
999                          struct single_path_acl_record *acl1;                          struct ccs_single_path_acl_record *acl1;
1000                          struct double_path_acl_record *acl2;                          struct ccs_double_path_acl_record *acl2;
1001                          u16 perm;                          u16 perm;
1002                  case TYPE_SINGLE_PATH_ACL:                  case TYPE_SINGLE_PATH_ACL:
1003                          acl1 = container_of(ptr, struct single_path_acl_record,                          acl1 = container_of(ptr,
1004                                                struct ccs_single_path_acl_record,
1005                                              head);                                              head);
1006                          perm = acl1->perm;                          perm = acl1->perm;
1007                          if (perm & (1 << TYPE_EXECUTE_ACL))                          if (perm & (1 << TYPE_EXECUTE_ACL))
# Line 1029  bool ccs_check_domain_quota(struct domai Line 1033  bool ccs_check_domain_quota(struct domai
1033                                  count++;                                  count++;
1034                          break;                          break;
1035                  case TYPE_DOUBLE_PATH_ACL:                  case TYPE_DOUBLE_PATH_ACL:
1036                          acl2 = container_of(ptr, struct double_path_acl_record,                          acl2 = container_of(ptr,
1037                                                struct ccs_double_path_acl_record,
1038                                              head);                                              head);
1039                          perm = acl2->perm;                          perm = acl2->perm;
1040                          if (perm & (1 << TYPE_LINK_ACL))                          if (perm & (1 << TYPE_LINK_ACL))
# Line 1060  bool ccs_check_domain_quota(struct domai Line 1065  bool ccs_check_domain_quota(struct domai
1065   *   *
1066   * @profile: Profile number to create.   * @profile: Profile number to create.
1067   *   *
1068   * Returns pointer to "struct profile" on success, NULL otherwise.   * Returns pointer to "struct ccs_profile" on success, NULL otherwise.
1069   */   */
1070  static struct profile *ccs_find_or_assign_new_profile(const unsigned int  static struct ccs_profile *ccs_find_or_assign_new_profile(const unsigned int
1071                                                        profile)                                                            profile)
1072  {  {
1073          static DEFINE_MUTEX(lock);          static DEFINE_MUTEX(lock);
1074          struct profile *ptr = NULL;          struct ccs_profile *ptr = NULL;
1075          mutex_lock(&lock);          mutex_lock(&lock);
1076          if (profile < MAX_PROFILES) {          if (profile < MAX_PROFILES) {
1077                  ptr = profile_ptr[profile];                  ptr = ccs_profile_ptr[profile];
1078                  if (ptr)                  if (ptr)
1079                          goto ok;                          goto ok;
1080                  ptr = ccs_alloc_element(sizeof(*ptr));                  ptr = ccs_alloc_element(sizeof(*ptr));
# Line 1083  static struct profile *ccs_find_or_assig Line 1088  static struct profile *ccs_find_or_assig
1088                           * because they are always 0.                           * because they are always 0.
1089                           */                           */
1090                          mb(); /* Avoid out-of-order execution. */                          mb(); /* Avoid out-of-order execution. */
1091                          profile_ptr[profile] = ptr;                          ccs_profile_ptr[profile] = ptr;
1092                  }                  }
1093          }          }
1094   ok:   ok:
# Line 1092  static struct profile *ccs_find_or_assig Line 1097  static struct profile *ccs_find_or_assig
1097  }  }
1098    
1099  /**  /**
1100   * write_profile - Write profile table.   * ccs_write_profile - Write profile table.
1101   *   *
1102   * @head: Pointer to "struct ccs_io_buffer".   * @head: Pointer to "struct ccs_io_buffer".
1103   *   *
1104   * Returns 0 on success, negative value otherwise.   * Returns 0 on success, negative value otherwise.
1105   */   */
1106  static int write_profile(struct ccs_io_buffer *head)  static int ccs_write_profile(struct ccs_io_buffer *head)
1107  {  {
1108          char *data = head->write_buf;          char *data = head->write_buf;
1109          unsigned int i;          unsigned int i;
1110          unsigned int value;          unsigned int value;
1111          char *cp;          char *cp;
1112          struct profile *profile;          struct ccs_profile *ccs_profile;
1113          i = simple_strtoul(data, &cp, 10);          i = simple_strtoul(data, &cp, 10);
1114          if (data != cp) {          if (data != cp) {
1115                  if (*cp != '-')                  if (*cp != '-')
1116                          return -EINVAL;                          return -EINVAL;
1117                  data = cp + 1;                  data = cp + 1;
1118          }          }
1119          profile = ccs_find_or_assign_new_profile(i);          ccs_profile = ccs_find_or_assign_new_profile(i);
1120          if (!profile)          if (!ccs_profile)
1121                  return -EINVAL;                  return -EINVAL;
1122          cp = strchr(data, '=');          cp = strchr(data, '=');
1123          if (!cp)          if (!cp)
# Line 1120  static int write_profile(struct ccs_io_b Line 1125  static int write_profile(struct ccs_io_b
1125          *cp = '\0';          *cp = '\0';
1126          ccs_update_counter(CCS_UPDATES_COUNTER_PROFILE);          ccs_update_counter(CCS_UPDATES_COUNTER_PROFILE);
1127          if (!strcmp(data, "COMMENT")) {          if (!strcmp(data, "COMMENT")) {
1128                  profile->comment = ccs_save_name(cp + 1);                  ccs_profile->comment = ccs_save_name(cp + 1);
1129                  return 0;                  return 0;
1130          }          }
1131  #ifdef CONFIG_TOMOYO  #ifdef CONFIG_TOMOYO
1132          if (str_starts(&data, KEYWORD_MAC_FOR_CAPABILITY)) {          if (ccs_str_starts(&data, KEYWORD_MAC_FOR_CAPABILITY)) {
1133                  if (sscanf(cp + 1, "%u", &value) != 1) {                  if (sscanf(cp + 1, "%u", &value) != 1) {
1134                          for (i = 0; i < 4; i++) {                          for (i = 0; i < 4; i++) {
1135                                  if (strcmp(cp + 1, mode_4[i]))                                  if (strcmp(cp + 1, ccs_mode_4[i]))
1136                                          continue;                                          continue;
1137                                  value = i;                                  value = i;
1138                                  break;                                  break;
# Line 1138  static int write_profile(struct ccs_io_b Line 1143  static int write_profile(struct ccs_io_b
1143                  if (value > 3)                  if (value > 3)
1144                          value = 3;                          value = 3;
1145                  for (i = 0; i < TOMOYO_MAX_CAPABILITY_INDEX; i++) {                  for (i = 0; i < TOMOYO_MAX_CAPABILITY_INDEX; i++) {
1146                          if (strcmp(data, capability_control_keyword[i]))                          if (strcmp(data, ccs_capability_control_keyword[i]))
1147                                  continue;                                  continue;
1148                          profile->capability_value[i] = value;                          ccs_profile->capability_value[i] = value;
1149                          return 0;                          return 0;
1150                  }                  }
1151                  return -EINVAL;                  return -EINVAL;
# Line 1155  static int write_profile(struct ccs_io_b Line 1160  static int write_profile(struct ccs_io_b
1160                          switch (i) {                          switch (i) {
1161                          case CCS_SAKURA_RESTRICT_AUTOBIND:                          case CCS_SAKURA_RESTRICT_AUTOBIND:
1162                          case CCS_TOMOYO_VERBOSE:                          case CCS_TOMOYO_VERBOSE:
1163                                  modes = mode_2;                                  modes = ccs_mode_2;
1164                                  break;                                  break;
1165                          default:                          default:
1166                                  modes = mode_4;                                  modes = ccs_mode_4;
1167                                  break;                                  break;
1168                          }                          }
1169                          for (j = 0; j < 4; j++) {                          for (j = 0; j < 4; j++) {
# Line 1178  static int write_profile(struct ccs_io_b Line 1183  static int write_profile(struct ccs_io_b
1183                          if (value == 1)                          if (value == 1)
1184                                  value = 2; /* learning mode is not supported. */                                  value = 2; /* learning mode is not supported. */
1185                  }                  }
1186                  profile->value[i] = value;                  ccs_profile->value[i] = value;
1187                  return 0;                  return 0;
1188          }          }
1189          return -EINVAL;          return -EINVAL;
1190  }  }
1191    
1192  /**  /**
1193   * read_profile - Read profile table.   * ccs_read_profile - Read profile table.
1194   *   *
1195   * @head: Pointer to "struct ccs_io_buffer".   * @head: Pointer to "struct ccs_io_buffer".
1196   *   *
1197   * Returns 0.   * Returns 0.
1198   */   */
1199  static int read_profile(struct ccs_io_buffer *head)  static int ccs_read_profile(struct ccs_io_buffer *head)
1200  {  {
1201          static const int total          static const int ccs_total
1202                  = CCS_MAX_CONTROL_INDEX + TOMOYO_MAX_CAPABILITY_INDEX + 1;                  = CCS_MAX_CONTROL_INDEX + TOMOYO_MAX_CAPABILITY_INDEX + 1;
1203          int step;          int step;
1204          if (head->read_eof)          if (head->read_eof)
1205                  return 0;                  return 0;
1206          for (step = head->read_step; step < MAX_PROFILES * total; step++) {          for (step = head->read_step; step < MAX_PROFILES * ccs_total; step++) {
1207                  const u8 index = step / total;                  const u8 index = step / ccs_total;
1208                  u8 type = step % total;                  u8 type = step % ccs_total;
1209                  const struct profile *profile = profile_ptr[index];                  const struct ccs_profile *ccs_profile = ccs_profile_ptr[index];
1210                  head->read_step = step;                  head->read_step = step;
1211                  if (!profile)                  if (!ccs_profile)
1212                          continue;                          continue;
1213  #if !defined(CONFIG_SAKURA) || !defined(CONFIG_TOMOYO)  #if !defined(CONFIG_SAKURA) || !defined(CONFIG_TOMOYO)
1214                  switch (type) {                  switch (type) {
# Line 1231  static int read_profile(struct ccs_io_bu Line 1236  static int read_profile(struct ccs_io_bu
1236  #endif  #endif
1237                  if (!type) { /* Print profile' comment tag. */                  if (!type) { /* Print profile' comment tag. */
1238                          if (!ccs_io_printf(head, "%u-COMMENT=%s\n",                          if (!ccs_io_printf(head, "%u-COMMENT=%s\n",
1239                                             index, profile->comment ?                                             index, ccs_profile->comment ?
1240                                             profile->comment->name : ""))                                             ccs_profile->comment->name : ""))
1241                                  break;                                  break;
1242                          continue;                          continue;
1243                  }                  }
# Line 1240  static int read_profile(struct ccs_io_bu Line 1245  static int read_profile(struct ccs_io_bu
1245                  if (type >= CCS_MAX_CONTROL_INDEX) {                  if (type >= CCS_MAX_CONTROL_INDEX) {
1246  #ifdef CONFIG_TOMOYO  #ifdef CONFIG_TOMOYO
1247                          const int i = type - CCS_MAX_CONTROL_INDEX;                          const int i = type - CCS_MAX_CONTROL_INDEX;
1248                          const u8 value = profile->capability_value[i];                          const u8 value = ccs_profile->capability_value[i];
1249                          if (!ccs_io_printf(head,                          if (!ccs_io_printf(head,
1250                                             "%u-" KEYWORD_MAC_FOR_CAPABILITY                                             "%u-" KEYWORD_MAC_FOR_CAPABILITY
1251                                             "%s=%s\n", index,                                             "%s=%s\n", index,
1252                                             capability_control_keyword[i],                                             ccs_capability_control_keyword[i],
1253                                             mode_4[value]))                                             ccs_mode_4[value]))
1254                                  break;                                  break;
1255  #endif  #endif
1256                  } else {                  } else {
1257                          const unsigned int value = profile->value[type];                          const unsigned int value = ccs_profile->value[type];
1258                          const char **modes = NULL;                          const char **modes = NULL;
1259                          const char *keyword = ccs_control_array[type].keyword;                          const char *keyword = ccs_control_array[type].keyword;
1260                          switch (ccs_control_array[type].max_value) {                          switch (ccs_control_array[type].max_value) {
1261                          case 3:                          case 3:
1262                                  modes = mode_4;                                  modes = ccs_mode_4;
1263                                  break;                                  break;
1264                          case 1:                          case 1:
1265                                  modes = mode_2;                                  modes = ccs_mode_2;
1266                                  break;                                  break;
1267                          }                          }
1268                          if (modes) {                          if (modes) {
# Line 1271  static int read_profile(struct ccs_io_bu Line 1276  static int read_profile(struct ccs_io_bu
1276                          }                          }
1277                  }                  }
1278          }          }
1279          if (step == MAX_PROFILES * total)          if (step == MAX_PROFILES * ccs_total)
1280                  head->read_eof = true;                  head->read_eof = true;
1281          return 0;          return 0;
1282  }  }
1283    
1284  /* Structure for policy manager. */  /* Structure for policy manager. */
1285  struct policy_manager_entry {  struct ccs_policy_manager_entry {
1286          struct list1_head list;          struct list1_head list;
1287          /* A path to program or a domainname. */          /* A path to program or a domainname. */
1288          const struct path_info *manager;          const struct ccs_path_info *manager;
1289          bool is_domain;  /* True if manager is a domainname. */          bool is_domain;  /* True if manager is a domainname. */
1290          bool is_deleted; /* True if this entry is deleted. */          bool is_deleted; /* True if this entry is deleted. */
1291  };  };
1292    
1293  /* The list for "struct policy_manager_entry". */  /* The list for "struct ccs_policy_manager_entry". */
1294  static LIST1_HEAD(policy_manager_list);  static LIST1_HEAD(ccs_policy_manager_list);
1295    
1296  /**  /**
1297   * update_manager_entry - Add a manager entry.   * ccs_update_manager_entry - Add a manager entry.
1298   *   *
1299   * @manager:   The path to manager or the domainnamme.   * @manager:   The path to manager or the domainnamme.
1300   * @is_delete: True if it is a delete request.   * @is_delete: True if it is a delete request.
1301   *   *
1302   * Returns 0 on success, negative value otherwise.   * Returns 0 on success, negative value otherwise.
1303   */   */
1304  static int update_manager_entry(const char *manager, const bool is_delete)  static int ccs_update_manager_entry(const char *manager, const bool is_delete)
1305  {  {
1306          struct policy_manager_entry *new_entry;          struct ccs_policy_manager_entry *new_entry;
1307          struct policy_manager_entry *ptr;          struct ccs_policy_manager_entry *ptr;
1308          static DEFINE_MUTEX(lock);          static DEFINE_MUTEX(lock);
1309          const struct path_info *saved_manager;          const struct ccs_path_info *saved_manager;
1310          int error = -ENOMEM;          int error = -ENOMEM;
1311          bool is_domain = false;          bool is_domain = false;
1312          if (ccs_is_domain_def(manager)) {          if (ccs_is_domain_def(manager)) {
# Line 1316  static int update_manager_entry(const ch Line 1321  static int update_manager_entry(const ch
1321          if (!saved_manager)          if (!saved_manager)
1322                  return -ENOMEM;                  return -ENOMEM;
1323          mutex_lock(&lock);          mutex_lock(&lock);
1324          list1_for_each_entry(ptr, &policy_manager_list, list) {          list1_for_each_entry(ptr, &ccs_policy_manager_list, list) {
1325                  if (ptr->manager != saved_manager)                  if (ptr->manager != saved_manager)
1326                          continue;                          continue;
1327                  ptr->is_deleted = is_delete;                  ptr->is_deleted = is_delete;
# Line 1332  static int update_manager_entry(const ch Line 1337  static int update_manager_entry(const ch
1337                  goto out;                  goto out;
1338          new_entry->manager = saved_manager;          new_entry->manager = saved_manager;
1339          new_entry->is_domain = is_domain;          new_entry->is_domain = is_domain;
1340          list1_add_tail_mb(&new_entry->list, &policy_manager_list);          list1_add_tail_mb(&new_entry->list, &ccs_policy_manager_list);
1341          error = 0;          error = 0;
1342   out:   out:
1343          mutex_unlock(&lock);          mutex_unlock(&lock);
# Line 1342  static int update_manager_entry(const ch Line 1347  static int update_manager_entry(const ch
1347  }  }
1348    
1349  /**  /**
1350   * write_manager_policy - Write manager policy.   * ccs_write_manager_policy - Write manager policy.
1351   *   *
1352   * @head: Pointer to "struct ccs_io_buffer".   * @head: Pointer to "struct ccs_io_buffer".
1353   *   *
1354   * Returns 0 on success, negative value otherwise.   * Returns 0 on success, negative value otherwise.
1355   */   */
1356  static int write_manager_policy(struct ccs_io_buffer *head)  static int ccs_write_manager_policy(struct ccs_io_buffer *head)
1357  {  {
1358          char *data = head->write_buf;          char *data = head->write_buf;
1359          bool is_delete = str_starts(&data, KEYWORD_DELETE);          bool is_delete = ccs_str_starts(&data, KEYWORD_DELETE);
1360          if (!strcmp(data, "manage_by_non_root")) {          if (!strcmp(data, "manage_by_non_root")) {
1361                  manage_by_non_root = !is_delete;                  ccs_manage_by_non_root = !is_delete;
1362                  return 0;                  return 0;
1363          }          }
1364          return update_manager_entry(data, is_delete);          return ccs_update_manager_entry(data, is_delete);
1365  }  }
1366    
1367  /**  /**
1368   * read_manager_policy - Read manager policy.   * ccs_read_manager_policy - Read manager policy.
1369   *   *
1370   * @head: Pointer to "struct ccs_io_buffer".   * @head: Pointer to "struct ccs_io_buffer".
1371   *   *
1372   * Returns 0.   * Returns 0.
1373   */   */
1374  static int read_manager_policy(struct ccs_io_buffer *head)  static int ccs_read_manager_policy(struct ccs_io_buffer *head)
1375  {  {
1376          struct list1_head *pos;          struct list1_head *pos;
1377          if (head->read_eof)          if (head->read_eof)
1378                  return 0;                  return 0;
1379          list1_for_each_cookie(pos, head->read_var2, &policy_manager_list) {          list1_for_each_cookie(pos, head->read_var2, &ccs_policy_manager_list) {
1380                  struct policy_manager_entry *ptr;                  struct ccs_policy_manager_entry *ptr;
1381                  ptr = list1_entry(pos, struct policy_manager_entry, list);                  ptr = list1_entry(pos, struct ccs_policy_manager_entry, list);
1382                  if (ptr->is_deleted)                  if (ptr->is_deleted)
1383                          continue;                          continue;
1384                  if (!ccs_io_printf(head, "%s\n", ptr->manager->name))                  if (!ccs_io_printf(head, "%s\n", ptr->manager->name))
# Line 1384  static int read_manager_policy(struct cc Line 1389  static int read_manager_policy(struct cc
1389  }  }
1390    
1391  /**  /**
1392   * is_policy_manager - Check whether the current process is a policy manager.   * ccs_is_policy_manager - Check whether the current process is a policy manager.
1393   *   *
1394   * Returns true if the current process is permitted to modify policy   * Returns true if the current process is permitted to modify policy
1395   * via /proc/ccs/ interface.   * via /proc/ccs/ interface.
1396   */   */
1397  static bool is_policy_manager(void)  static bool ccs_is_policy_manager(void)
1398  {  {
1399          struct policy_manager_entry *ptr;          struct ccs_policy_manager_entry *ptr;
1400          const char *exe;          const char *exe;
1401          struct task_struct *task = current;          struct task_struct *task = current;
1402          const struct path_info *domainname = task->domain_info->domainname;          const struct ccs_path_info *domainname = task->domain_info->domainname;
1403          bool found = false;          bool found = false;
1404          if (!sbin_init_started)          if (!ccs_sbin_init_started)
1405                  return true;                  return true;
1406          if (task->tomoyo_flags & CCS_TASK_IS_POLICY_MANAGER)          if (task->tomoyo_flags & CCS_TASK_IS_POLICY_MANAGER)
1407                  return true;                  return true;
1408          if (!manage_by_non_root && (task->uid || task->euid))          if (!ccs_manage_by_non_root && (task->uid || task->euid))
1409                  return false;                  return false;
1410          list1_for_each_entry(ptr, &policy_manager_list, list) {          list1_for_each_entry(ptr, &ccs_policy_manager_list, list) {
1411                  if (!ptr->is_deleted && ptr->is_domain                  if (!ptr->is_deleted && ptr->is_domain
1412                      && !ccs_pathcmp(domainname, ptr->manager)) {                      && !ccs_pathcmp(domainname, ptr->manager)) {
1413                          /* Set manager flag. */                          /* Set manager flag. */
# Line 1413  static bool is_policy_manager(void) Line 1418  static bool is_policy_manager(void)
1418          exe = ccs_get_exe();          exe = ccs_get_exe();
1419          if (!exe)          if (!exe)
1420                  return false;                  return false;
1421          list1_for_each_entry(ptr, &policy_manager_list, list) {          list1_for_each_entry(ptr, &ccs_policy_manager_list, list) {
1422                  if (!ptr->is_deleted && !ptr->is_domain                  if (!ptr->is_deleted && !ptr->is_domain
1423                      && !strcmp(exe, ptr->manager->name)) {                      && !strcmp(exe, ptr->manager->name)) {
1424                          found = true;                          found = true;
# Line 1423  static bool is_policy_manager(void) Line 1428  static bool is_policy_manager(void)
1428                  }                  }
1429          }          }
1430          if (!found) { /* Reduce error messages. */          if (!found) { /* Reduce error messages. */
1431                  static pid_t last_pid;                  static pid_t ccs_last_pid;
1432                  const pid_t pid = current->pid;                  const pid_t pid = current->pid;
1433                  if (last_pid != pid) {                  if (ccs_last_pid != pid) {
1434                          printk(KERN_WARNING "%s ( %s ) is not permitted to "                          printk(KERN_WARNING "%s ( %s ) is not permitted to "
1435                                 "update policies.\n", domainname->name, exe);                                 "update policies.\n", domainname->name, exe);
1436                          last_pid = pid;                          ccs_last_pid = pid;
1437                  }                  }
1438          }          }
1439          ccs_free(exe);          ccs_free(exe);
# Line 1465  static char *ccs_find_condition_part(cha Line 1470  static char *ccs_find_condition_part(cha
1470  }  }
1471    
1472  /**  /**
1473   * is_select_one - Parse select command.   * ccs_is_select_one - Parse select command.
1474   *   *
1475   * @head: Pointer to "struct ccs_io_buffer".   * @head: Pointer to "struct ccs_io_buffer".
1476   * @data: String to parse.   * @data: String to parse.
1477   *   *
1478   * Returns true on success, false otherwise.   * Returns true on success, false otherwise.
1479   */   */
1480  static bool is_select_one(struct ccs_io_buffer *head, const char *data)  static bool ccs_is_select_one(struct ccs_io_buffer *head, const char *data)
1481  {  {
1482          unsigned int pid;          unsigned int pid;
1483          struct domain_info *domain = NULL;          struct domain_info *domain = NULL;
# Line 1505  static bool is_select_one(struct ccs_io_ Line 1510  static bool is_select_one(struct ccs_io_
1510          if (domain) {          if (domain) {
1511                  struct domain_info *d;                  struct domain_info *d;
1512                  head->read_var1 = NULL;                  head->read_var1 = NULL;
1513                  list1_for_each_entry(d, &domain_list, list) {                  list1_for_each_entry(d, &ccs_domain_list, list) {
1514                          if (d == domain)                          if (d == domain)
1515                                  break;                                  break;
1516                          head->read_var1 = &d->list;                          head->read_var1 = &d->list;
# Line 1520  static bool is_select_one(struct ccs_io_ Line 1525  static bool is_select_one(struct ccs_io_
1525  }  }
1526    
1527  /**  /**
1528   * write_domain_policy - Write domain policy.   * ccs_write_domain_policy - Write domain policy.
1529   *   *
1530   * @head: Pointer to "struct ccs_io_buffer".   * @head: Pointer to "struct ccs_io_buffer".
1531   *   *
1532   * Returns 0 on success, negative value otherwise.   * Returns 0 on success, negative value otherwise.
1533   */   */
1534  static int write_domain_policy(struct ccs_io_buffer *head)  static int ccs_write_domain_policy(struct ccs_io_buffer *head)
1535  {  {
1536          char *data = head->write_buf;          char *data = head->write_buf;
1537          struct domain_info *domain = head->write_var1;          struct domain_info *domain = head->write_var1;
# Line 1534  static int write_domain_policy(struct cc Line 1539  static int write_domain_policy(struct cc
1539          bool is_select = false;          bool is_select = false;
1540          bool is_undelete = false;          bool is_undelete = false;
1541          unsigned int profile;          unsigned int profile;
1542          const struct condition_list *cond = NULL;          const struct ccs_condition_list *cond = NULL;
1543          char *cp;          char *cp;
1544          if (str_starts(&data, KEYWORD_DELETE))          if (ccs_str_starts(&data, KEYWORD_DELETE))
1545                  is_delete = true;                  is_delete = true;
1546          else if (str_starts(&data, KEYWORD_SELECT))          else if (ccs_str_starts(&data, KEYWORD_SELECT))
1547                  is_select = true;                  is_select = true;
1548          else if (str_starts(&data, KEYWORD_UNDELETE))          else if (ccs_str_starts(&data, KEYWORD_UNDELETE))
1549                  is_undelete = true;                  is_undelete = true;
1550          if (is_select && is_select_one(head, data))          if (is_select && ccs_is_select_one(head, data))
1551                  return 0;                  return 0;
1552          /* Don't allow updating policies by non manager programs. */          /* Don't allow updating policies by non manager programs. */
1553          if (!is_policy_manager())          if (!ccs_is_policy_manager())
1554                  return -EPERM;                  return -EPERM;
1555          if (ccs_is_domain_def(data)) {          if (ccs_is_domain_def(data)) {
1556                  domain = NULL;                  domain = NULL;
# Line 1566  static int write_domain_policy(struct cc Line 1571  static int write_domain_policy(struct cc
1571    
1572          if (sscanf(data, KEYWORD_USE_PROFILE "%u", &profile) == 1          if (sscanf(data, KEYWORD_USE_PROFILE "%u", &profile) == 1
1573              && profile < MAX_PROFILES) {              && profile < MAX_PROFILES) {
1574                  if (profile_ptr[profile] || !sbin_init_started)                  if (ccs_profile_ptr[profile] || !ccs_sbin_init_started)
1575                          domain->profile = (u8) profile;                          domain->profile = (u8) profile;
1576                  return 0;                  return 0;
1577          }          }
# Line 1586  static int write_domain_policy(struct cc Line 1591  static int write_domain_policy(struct cc
1591                  if (!cond)                  if (!cond)
1592                          return -EINVAL;                          return -EINVAL;
1593          }          }
1594          if (str_starts(&data, KEYWORD_ALLOW_CAPABILITY))          if (ccs_str_starts(&data, KEYWORD_ALLOW_CAPABILITY))
1595                  return ccs_write_capability_policy(data, domain, cond,                  return ccs_write_capability_policy(data, domain, cond,
1596                                                     is_delete);                                                     is_delete);
1597          else if (str_starts(&data, KEYWORD_ALLOW_NETWORK))          else if (ccs_str_starts(&data, KEYWORD_ALLOW_NETWORK))
1598                  return ccs_write_network_policy(data, domain, cond, is_delete);                  return ccs_write_network_policy(data, domain, cond, is_delete);
1599          else if (str_starts(&data, KEYWORD_ALLOW_SIGNAL))          else if (ccs_str_starts(&data, KEYWORD_ALLOW_SIGNAL))
1600                  return ccs_write_signal_policy(data, domain, cond, is_delete);                  return ccs_write_signal_policy(data, domain, cond, is_delete);
1601          else if (str_starts(&data, KEYWORD_ALLOW_ARGV0))          else if (ccs_str_starts(&data, KEYWORD_ALLOW_ARGV0))
1602                  return ccs_write_argv0_policy(data, domain, cond, is_delete);                  return ccs_write_argv0_policy(data, domain, cond, is_delete);
1603          else if (str_starts(&data, KEYWORD_ALLOW_ENV))          else if (ccs_str_starts(&data, KEYWORD_ALLOW_ENV))
1604                  return ccs_write_env_policy(data, domain, cond, is_delete);                  return ccs_write_env_policy(data, domain, cond, is_delete);
1605          else          else
1606                  return ccs_write_file_policy(data, domain, cond, is_delete);                  return ccs_write_file_policy(data, domain, cond, is_delete);
1607  }  }
1608    
1609  /**  /**
1610   * print_single_path_acl - Print a single path ACL entry.   * ccs_print_single_path_acl - Print a single path ACL entry.
1611   *   *
1612   * @head: Pointer to "struct ccs_io_buffer".   * @head: Pointer to "struct ccs_io_buffer".
1613   * @ptr:  Pointer to "struct single_path_acl_record".   * @ptr:  Pointer to "struct ccs_single_path_acl_record".
1614   * @cond: Pointer to "struct condition_list". May be NULL.   * @cond: Pointer to "struct ccs_condition_list". May be NULL.
1615   *   *
1616   * Returns true on success, false otherwise.   * Returns true on success, false otherwise.
1617   */   */
1618  static bool print_single_path_acl(struct ccs_io_buffer *head,  static bool ccs_print_single_path_acl(struct ccs_io_buffer *head,
1619                                    struct single_path_acl_record *ptr,                                        struct ccs_single_path_acl_record *ptr,
1620                                    const struct condition_list *cond)                                        const struct ccs_condition_list *cond)
1621  {  {
1622          int pos;          int pos;
1623          u8 bit;          u8 bit;
# Line 1651  static bool print_single_path_acl(struct Line 1656  static bool print_single_path_acl(struct
1656  }  }
1657    
1658  /**  /**
1659   * print_double_path_acl - Print a double path ACL entry.   * ccs_print_double_path_acl - Print a double path ACL entry.
1660   *   *
1661   * @head: Pointer to "struct ccs_io_buffer".   * @head: Pointer to "struct ccs_io_buffer".
1662   * @ptr:  Pointer to "struct double_path_acl_record".   * @ptr:  Pointer to "struct ccs_double_path_acl_record".
1663   * @cond: Pointer to "struct condition_list". May be NULL.   * @cond: Pointer to "struct ccs_condition_list". May be NULL.
1664   *   *
1665   * Returns true on success, false otherwise.   * Returns true on success, false otherwise.
1666   */   */
1667  static bool print_double_path_acl(struct ccs_io_buffer *head,  static bool ccs_print_double_path_acl(struct ccs_io_buffer *head,
1668                                    struct double_path_acl_record *ptr,                                        struct ccs_double_path_acl_record *ptr,
1669                                    const struct condition_list *cond)                                        const struct ccs_condition_list *cond)
1670  {  {
1671          int pos;          int pos;
1672          const char *atmark1 = "";          const char *atmark1 = "";
# Line 1702  static bool print_double_path_acl(struct Line 1707  static bool print_double_path_acl(struct
1707  }  }
1708    
1709  /**  /**
1710   * print_argv0_acl - Print an argv[0] ACL entry.   * ccs_print_argv0_acl - Print an argv[0] ACL entry.
1711   *   *
1712   * @head: Pointer to "struct ccs_io_buffer".   * @head: Pointer to "struct ccs_io_buffer".
1713   * @ptr:  Pointer to "struct argv0_acl_record".   * @ptr:  Pointer to "struct ccs_argv0_acl_record".
1714   * @cond: Pointer to "struct condition_list". May be NULL.   * @cond: Pointer to "struct ccs_condition_list". May be NULL.
1715   *   *
1716   * Returns true on success, false otherwise.   * Returns true on success, false otherwise.
1717   */   */
1718  static bool print_argv0_acl(struct ccs_io_buffer *head,  static bool ccs_print_argv0_acl(struct ccs_io_buffer *head,
1719                              struct argv0_acl_record *ptr,                                  struct ccs_argv0_acl_record *ptr,
1720                              const struct condition_list *cond)                                  const struct ccs_condition_list *cond)
1721  {  {
1722          int pos = head->read_avail;          int pos = head->read_avail;
1723          if (!ccs_io_printf(head, KEYWORD_ALLOW_ARGV0 "%s %s",          if (!ccs_io_printf(head, KEYWORD_ALLOW_ARGV0 "%s %s",
# Line 1727  static bool print_argv0_acl(struct ccs_i Line 1732  static bool print_argv0_acl(struct ccs_i
1732  }  }
1733    
1734  /**  /**
1735   * print_env_acl - Print an evironment variable name's ACL entry.   * ccs_print_env_acl - Print an evironment variable name's ACL entry.
1736   *   *
1737   * @head: Pointer to "struct ccs_io_buffer".   * @head: Pointer to "struct ccs_io_buffer".
1738   * @ptr:  Pointer to "struct env_acl_record".   * @ptr:  Pointer to "struct ccs_env_acl_record".
1739   * @cond: Pointer to "struct condition_list". May be NULL.   * @cond: Pointer to "struct ccs_condition_list". May be NULL.
1740   *   *
1741   * Returns true on success, false otherwise.   * Returns true on success, false otherwise.
1742   */   */
1743  static bool print_env_acl(struct ccs_io_buffer *head,  static bool ccs_print_env_acl(struct ccs_io_buffer *head,
1744                            struct env_acl_record *ptr,                                struct ccs_env_acl_record *ptr,
1745                            const struct condition_list *cond)                                const struct ccs_condition_list *cond)
1746  {  {
1747          int pos = head->read_avail;          int pos = head->read_avail;
1748          if (!ccs_io_printf(head, KEYWORD_ALLOW_ENV "%s", ptr->env->name))          if (!ccs_io_printf(head, KEYWORD_ALLOW_ENV "%s", ptr->env->name))
# Line 1751  static bool print_env_acl(struct ccs_io_ Line 1756  static bool print_env_acl(struct ccs_io_
1756  }  }
1757    
1758  /**  /**
1759   * print_capability_acl - Print a capability ACL entry.   * ccs_print_capability_acl - Print a capability ACL entry.
1760   *   *
1761   * @head: Pointer to "struct ccs_io_buffer".   * @head: Pointer to "struct ccs_io_buffer".
1762   * @ptr:  Pointer to "struct capability_acl_record".   * @ptr:  Pointer to "struct ccs_capability_acl_record".
1763   * @cond: Pointer to "struct condition_list". May be NULL.   * @cond: Pointer to "struct ccs_condition_list". May be NULL.
1764   *   *
1765   * Returns true on success, false otherwise.   * Returns true on success, false otherwise.
1766   */   */
1767  static bool print_capability_acl(struct ccs_io_buffer *head,  static bool ccs_print_capability_acl(struct ccs_io_buffer *head,
1768                                   struct capability_acl_record *ptr,                                       struct ccs_capability_acl_record *ptr,
1769                                   const struct condition_list *cond)                                       const struct ccs_condition_list *cond)
1770  {  {
1771          int pos = head->read_avail;          int pos = head->read_avail;
1772          if (!ccs_io_printf(head, KEYWORD_ALLOW_CAPABILITY "%s",          if (!ccs_io_printf(head, KEYWORD_ALLOW_CAPABILITY "%s",
# Line 1776  static bool print_capability_acl(struct Line 1781  static bool print_capability_acl(struct
1781  }  }
1782    
1783  /**  /**
1784   * print_ipv4_entry - Print IPv4 address of a network ACL entry.   * ccs_print_ipv4_entry - Print IPv4 address of a network ACL entry.
1785   *   *
1786   * @head: Pointer to "struct ccs_io_buffer".   * @head: Pointer to "struct ccs_io_buffer".
1787   * @ptr:  Pointer to "struct ip_network_acl_record".   * @ptr:  Pointer to "struct ccs_ip_network_acl_record".
1788   *   *
1789   * Returns true on success, false otherwise.   * Returns true on success, false otherwise.
1790   */   */
1791  static bool print_ipv4_entry(struct ccs_io_buffer *head,  static bool ccs_print_ipv4_entry(struct ccs_io_buffer *head,
1792                               struct ip_network_acl_record *ptr)                                   struct ccs_ip_network_acl_record *ptr)
1793  {  {
1794          const u32 min_address = ptr->u.ipv4.min;          const u32 min_address = ptr->u.ipv4.min;
1795          const u32 max_address = ptr->u.ipv4.max;          const u32 max_address = ptr->u.ipv4.max;
# Line 1797  static bool print_ipv4_entry(struct ccs_ Line 1802  static bool print_ipv4_entry(struct ccs_
1802  }  }
1803    
1804  /**  /**
1805   * print_ipv6_entry - Print IPv6 address of a network ACL entry.   * ccs_print_ipv6_entry - Print IPv6 address of a network ACL entry.
1806   *   *
1807   * @head: Pointer to "struct ccs_io_buffer".   * @head: Pointer to "struct ccs_io_buffer".
1808   * @ptr:  Pointer to "struct ip_network_acl_record".   * @ptr:  Pointer to "struct ccs_ip_network_acl_record".
1809   *   *
1810   * Returns true on success, false otherwise.   * Returns true on success, false otherwise.
1811   */   */
1812  static bool print_ipv6_entry(struct ccs_io_buffer *head,  static bool ccs_print_ipv6_entry(struct ccs_io_buffer *head,
1813                               struct ip_network_acl_record *ptr)                                   struct ccs_ip_network_acl_record *ptr)
1814  {  {
1815          char buf[64];          char buf[64];
1816          const struct in6_addr *min_address = ptr->u.ipv6.min;          const struct in6_addr *min_address = ptr->u.ipv6.min;
# Line 1822  static bool print_ipv6_entry(struct ccs_ Line 1827  static bool print_ipv6_entry(struct ccs_
1827  }  }
1828    
1829  /**  /**
1830   * print_port_entry - Print port number of a network ACL entry.   * ccs_print_port_entry - Print port number of a network ACL entry.
1831   *   *
1832   * @head: Pointer to "struct ccs_io_buffer".   * @head: Pointer to "struct ccs_io_buffer".
1833   * @ptr:  Pointer to "struct ip_network_acl_record".   * @ptr:  Pointer to "struct ccs_ip_network_acl_record".
1834   *   *
1835   * Returns true on success, false otherwise.   * Returns true on success, false otherwise.
1836   */   */
1837  static bool print_port_entry(struct ccs_io_buffer *head,  static bool ccs_print_port_entry(struct ccs_io_buffer *head,
1838                               struct ip_network_acl_record *ptr)                                   struct ccs_ip_network_acl_record *ptr)
1839  {  {
1840          const u16 min_port = ptr->min_port, max_port = ptr->max_port;          const u16 min_port = ptr->min_port, max_port = ptr->max_port;
1841          if (!ccs_io_printf(head, " %u", min_port))          if (!ccs_io_printf(head, " %u", min_port))
# Line 1841  static bool print_port_entry(struct ccs_ Line 1846  static bool print_port_entry(struct ccs_
1846  }  }
1847    
1848  /**  /**
1849   * print_network_acl - Print a network ACL entry.   * ccs_print_network_acl - Print a network ACL entry.
1850   *   *
1851   * @head: Pointer to "struct ccs_io_buffer".   * @head: Pointer to "struct ccs_io_buffer".
1852   * @ptr:  Pointer to "struct ip_network_acl_record".   * @ptr:  Pointer to "struct ccs_ip_network_acl_record".
1853   * @cond: Pointer to "struct condition_list". May be NULL.   * @cond: Pointer to "struct ccs_condition_list". May be NULL.
1854   *   *
1855   * Returns true on success, false otherwise.   * Returns true on success, false otherwise.
1856   */   */
1857  static bool print_network_acl(struct ccs_io_buffer *head,  static bool ccs_print_network_acl(struct ccs_io_buffer *head,
1858                                struct ip_network_acl_record *ptr,                                    struct ccs_ip_network_acl_record *ptr,
1859                                const struct condition_list *cond)                                    const struct ccs_condition_list *cond)
1860  {  {
1861          int pos = head->read_avail;          int pos = head->read_avail;
1862          if (!ccs_io_printf(head, KEYWORD_ALLOW_NETWORK "%s ",          if (!ccs_io_printf(head, KEYWORD_ALLOW_NETWORK "%s ",
# Line 1863  static bool print_network_acl(struct ccs Line 1868  static bool print_network_acl(struct ccs
1868                          goto out;                          goto out;
1869                  break;                  break;
1870          case IP_RECORD_TYPE_IPv4:          case IP_RECORD_TYPE_IPv4:
1871                  if (!print_ipv4_entry(head, ptr))                  if (!ccs_print_ipv4_entry(head, ptr))
1872                          goto out;                          goto out;
1873                  break;                  break;
1874          case IP_RECORD_TYPE_IPv6:          case IP_RECORD_TYPE_IPv6:
1875                  if (!print_ipv6_entry(head, ptr))                  if (!ccs_print_ipv6_entry(head, ptr))
1876                          goto out;                          goto out;
1877                  break;                  break;
1878          }          }
1879          if (!print_port_entry(head, ptr))          if (!ccs_print_port_entry(head, ptr))
1880                  goto out;                  goto out;
1881          if (!ccs_print_condition(head, cond))          if (!ccs_print_condition(head, cond))
1882                  goto out;                  goto out;
# Line 1882  static bool print_network_acl(struct ccs Line 1887  static bool print_network_acl(struct ccs
1887  }  }
1888    
1889  /**  /**
1890   * print_signal_acl - Print a signal ACL entry.   * ccs_print_signal_acl - Print a signal ACL entry.
1891   *   *
1892   * @head: Pointer to "struct ccs_io_buffer".   * @head: Pointer to "struct ccs_io_buffer".
1893   * @ptr:  Pointer to "struct signale_acl_record".   * @ptr:  Pointer to "struct signale_acl_record".
1894   * @cond: Pointer to "struct condition_list". May be NULL.   * @cond: Pointer to "struct ccs_condition_list". May be NULL.
1895   *   *
1896   * Returns true on success, false otherwise.   * Returns true on success, false otherwise.
1897   */   */
1898  static bool print_signal_acl(struct ccs_io_buffer *head,  static bool ccs_print_signal_acl(struct ccs_io_buffer *head,
1899                               struct signal_acl_record *ptr,                                   struct ccs_signal_acl_record *ptr,
1900                               const struct condition_list *cond)                                   const struct ccs_condition_list *cond)
1901  {  {
1902          int pos = head->read_avail;          int pos = head->read_avail;
1903          if (!ccs_io_printf(head, KEYWORD_ALLOW_SIGNAL "%u %s",          if (!ccs_io_printf(head, KEYWORD_ALLOW_SIGNAL "%u %s",
# Line 1907  static bool print_signal_acl(struct ccs_ Line 1912  static bool print_signal_acl(struct ccs_
1912  }  }
1913    
1914  /**  /**
1915   * print_execute_handler_record - Print an execute handler ACL entry.   * ccs_print_execute_handler_record - Print an execute handler ACL entry.
1916   *   *
1917   * @head:    Pointer to "struct ccs_io_buffer".   * @head:    Pointer to "struct ccs_io_buffer".
1918   * @keyword: Name of the keyword.   * @keyword: Name of the keyword.
1919   * @ptr:     Pointer to "struct execute_handler_record".   * @ptr:     Pointer to "struct ccs_execute_handler_record".
1920   *   *
1921   * Returns true on success, false otherwise.   * Returns true on success, false otherwise.
1922   */   */
1923  static bool print_execute_handler_record(struct ccs_io_buffer *head,  static bool ccs_print_execute_handler_record(struct ccs_io_buffer *head,
1924                                           const char *keyword,                                               const char *keyword,
1925                                           struct execute_handler_record *ptr)                                               struct ccs_execute_handler_record *
1926                                                 ptr)
1927  {  {
1928          return ccs_io_printf(head, "%s %s\n", keyword, ptr->handler->name);          return ccs_io_printf(head, "%s %s\n", keyword, ptr->handler->name);
1929  }  }
1930    
1931  /**  /**
1932   * print_entry - Print an ACL entry.   * ccs_print_entry - Print an ACL entry.
1933   *   *
1934   * @head: Pointer to "struct ccs_io_buffer".   * @head: Pointer to "struct ccs_io_buffer".
1935   * @ptr:  Pointer to an ACL entry.   * @ptr:  Pointer to an ACL entry.
1936   *   *
1937   * Returns true on success, false otherwise.   * Returns true on success, false otherwise.
1938   */   */
1939  static bool print_entry(struct ccs_io_buffer *head, struct acl_info *ptr)  static bool ccs_print_entry(struct ccs_io_buffer *head,
1940                                struct ccs_acl_info *ptr)
1941  {  {
1942          const struct condition_list *cond = ccs_get_condition_part(ptr);          const struct ccs_condition_list *cond = ccs_get_condition_part(ptr);
1943          const u8 acl_type = ccs_acl_type2(ptr);          const u8 acl_type = ccs_acl_type2(ptr);
1944          if (acl_type & ACL_DELETED)          if (acl_type & ACL_DELETED)
1945                  return true;                  return true;
1946          if (acl_type == TYPE_SINGLE_PATH_ACL) {          if (acl_type == TYPE_SINGLE_PATH_ACL) {
1947                  struct single_path_acl_record *acl                  struct ccs_single_path_acl_record *acl
1948                          = container_of(ptr, struct single_path_acl_record,                          = container_of(ptr, struct ccs_single_path_acl_record,
1949                                         head);                                         head);
1950                  return print_single_path_acl(head, acl, cond);                  return ccs_print_single_path_acl(head, acl, cond);
1951          }          }
1952          if (acl_type == TYPE_EXECUTE_HANDLER) {          if (acl_type == TYPE_EXECUTE_HANDLER) {
1953                  struct execute_handler_record *acl                  struct ccs_execute_handler_record *acl
1954                          = container_of(ptr, struct execute_handler_record,                          = container_of(ptr, struct ccs_execute_handler_record,
1955                                         head);                                         head);
1956                  const char *keyword = KEYWORD_EXECUTE_HANDLER;                  const char *keyword = KEYWORD_EXECUTE_HANDLER;
1957                  return print_execute_handler_record(head, keyword, acl);                  return ccs_print_execute_handler_record(head, keyword, acl);
1958          }          }
1959          if (acl_type == TYPE_DENIED_EXECUTE_HANDLER) {          if (acl_type == TYPE_DENIED_EXECUTE_HANDLER) {
1960                  struct execute_handler_record *acl                  struct ccs_execute_handler_record *acl
1961                          = container_of(ptr, struct execute_handler_record,                          = container_of(ptr, struct ccs_execute_handler_record,
1962                                         head);                                         head);
1963                  const char *keyword = KEYWORD_DENIED_EXECUTE_HANDLER;                  const char *keyword = KEYWORD_DENIED_EXECUTE_HANDLER;
1964                  return print_execute_handler_record(head, keyword, acl);                  return ccs_print_execute_handler_record(head, keyword, acl);
1965          }          }
1966          if (head->read_execute_only)          if (head->read_execute_only)
1967                  return true;                  return true;
1968          if (acl_type == TYPE_DOUBLE_PATH_ACL) {          if (acl_type == TYPE_DOUBLE_PATH_ACL) {
1969                  struct double_path_acl_record *acl                  struct ccs_double_path_acl_record *acl
1970                          = container_of(ptr, struct double_path_acl_record,                          = container_of(ptr, struct ccs_double_path_acl_record,
1971                                         head);                                         head);
1972                  return print_double_path_acl(head, acl, cond);                  return ccs_print_double_path_acl(head, acl, cond);
1973          }          }
1974          if (acl_type == TYPE_ARGV0_ACL) {          if (acl_type == TYPE_ARGV0_ACL) {
1975                  struct argv0_acl_record *acl                  struct ccs_argv0_acl_record *acl
1976                          = container_of(ptr, struct argv0_acl_record, head);                          = container_of(ptr, struct ccs_argv0_acl_record, head);
1977                  return print_argv0_acl(head, acl, cond);                  return ccs_print_argv0_acl(head, acl, cond);
1978          }          }
1979          if (acl_type == TYPE_ENV_ACL) {          if (acl_type == TYPE_ENV_ACL) {
1980                  struct env_acl_record *acl                  struct ccs_env_acl_record *acl
1981                          = container_of(ptr, struct env_acl_record, head);                          = container_of(ptr, struct ccs_env_acl_record, head);
1982                  return print_env_acl(head, acl, cond);                  return ccs_print_env_acl(head, acl, cond);
1983          }          }
1984          if (acl_type == TYPE_CAPABILITY_ACL) {          if (acl_type == TYPE_CAPABILITY_ACL) {
1985                  struct capability_acl_record *acl                  struct ccs_capability_acl_record *acl
1986                          = container_of(ptr, struct capability_acl_record, head);                          = container_of(ptr, struct ccs_capability_acl_record,
1987                  return print_capability_acl(head, acl, cond);                                         head);
1988                    return ccs_print_capability_acl(head, acl, cond);
1989          }          }
1990          if (acl_type == TYPE_IP_NETWORK_ACL) {          if (acl_type == TYPE_IP_NETWORK_ACL) {
1991                  struct ip_network_acl_record *acl                  struct ccs_ip_network_acl_record *acl
1992                          = container_of(ptr, struct ip_network_acl_record, head);                          = container_of(ptr, struct ccs_ip_network_acl_record,
1993                  return print_network_acl(head, acl, cond);                                         head);
1994                    return ccs_print_network_acl(head, acl, cond);
1995          }          }
1996          if (acl_type == TYPE_SIGNAL_ACL) {          if (acl_type == TYPE_SIGNAL_ACL) {
1997                  struct signal_acl_record *acl                  struct ccs_signal_acl_record *acl
1998                          = container_of(ptr, struct signal_acl_record, head);                          = container_of(ptr, struct ccs_signal_acl_record, head);
1999                  return print_signal_acl(head, acl, cond);                  return ccs_print_signal_acl(head, acl, cond);
2000          }          }
2001          /* Workaround for gcc 3.2.2's inline bug. */          /* Workaround for gcc 3.2.2's inline bug. */
2002          if (acl_type & ACL_DELETED)          if (acl_type & ACL_DELETED)
# Line 1997  static bool print_entry(struct ccs_io_bu Line 2006  static bool print_entry(struct ccs_io_bu
2006  }  }
2007    
2008  /**  /**
2009   * read_domain_policy - Read domain policy.   * ccs_read_domain_policy - Read domain policy.
2010   *   *
2011   * @head: Pointer to "struct ccs_io_buffer".   * @head: Pointer to "struct ccs_io_buffer".
2012   *   *
2013   * Returns 0.   * Returns 0.
2014   */   */
2015  static int read_domain_policy(struct ccs_io_buffer *head)  static int ccs_read_domain_policy(struct ccs_io_buffer *head)
2016  {  {
2017          struct list1_head *dpos;          struct list1_head *dpos;
2018          struct list1_head *apos;          struct list1_head *apos;
# Line 2011  static int read_domain_policy(struct ccs Line 2020  static int read_domain_policy(struct ccs
2020                  return 0;                  return 0;
2021          if (head->read_step == 0)          if (head->read_step == 0)
2022                  head->read_step = 1;                  head->read_step = 1;
2023          list1_for_each_cookie(dpos, head->read_var1, &domain_list) {          list1_for_each_cookie(dpos, head->read_var1, &ccs_domain_list) {
2024                  struct domain_info *domain;                  struct domain_info *domain;
2025                  const char *quota_exceeded = "";                  const char *quota_exceeded = "";
2026                  const char *transition_failed = "";                  const char *transition_failed = "";
# Line 2041  static int read_domain_policy(struct ccs Line 2050  static int read_domain_policy(struct ccs
2050                                     ignore_global_allow_env))                                     ignore_global_allow_env))
2051                          return 0;                          return 0;
2052                  head->read_step = 2;                  head->read_step = 2;
2053   acl_loop:  acl_loop:
2054                  if (head->read_step == 3)                  if (head->read_step == 3)
2055                          goto tail_mark;                          goto tail_mark;
2056                  /* Print ACL entries in the domain. */                  /* Print ACL entries in the domain. */
2057                  list1_for_each_cookie(apos, head->read_var2,                  list1_for_each_cookie(apos, head->read_var2,
2058                                        &domain->acl_info_list) {                                        &domain->acl_info_list) {
2059                          struct acl_info *ptr                          struct ccs_acl_info *ptr
2060                                  = list1_entry(apos, struct acl_info, list);                                  = list1_entry(apos, struct ccs_acl_info, list);
2061                          if (!print_entry(head, ptr))                          if (!ccs_print_entry(head, ptr))
2062                                  return 0;                                  return 0;
2063                  }                  }
2064                  head->read_step = 3;                  head->read_step = 3;
2065   tail_mark:  tail_mark:
2066                  if (!ccs_io_printf(head, "\n"))                  if (!ccs_io_printf(head, "\n"))
2067                          return 0;                          return 0;
2068                  head->read_step = 1;                  head->read_step = 1;
# Line 2067  static int read_domain_policy(struct ccs Line 2076  static int read_domain_policy(struct ccs
2076  #endif  #endif
2077    
2078  /**  /**
2079   * write_domain_profile - Assign profile for specified domain.   * ccs_write_domain_profile - Assign profile for specified domain.
2080   *   *
2081   * @head: Pointer to "struct ccs_io_buffer".   * @head: Pointer to "struct ccs_io_buffer".
2082   *   *
# Line 2078  static int read_domain_policy(struct ccs Line 2087  static int read_domain_policy(struct ccs
2087   *     ( echo "select " $domainname; echo "use_profile " $profile ) |   *     ( echo "select " $domainname; echo "use_profile " $profile ) |
2088   *     /usr/lib/ccs/loadpolicy -d   *     /usr/lib/ccs/loadpolicy -d
2089   */   */
2090  static int write_domain_profile(struct ccs_io_buffer *head)  static int ccs_write_domain_profile(struct ccs_io_buffer *head)
2091  {  {
2092          char *data = head->write_buf;          char *data = head->write_buf;
2093          char *cp = strchr(data, ' ');          char *cp = strchr(data, ' ');
# Line 2090  static int write_domain_profile(struct c Line 2099  static int write_domain_profile(struct c
2099          domain = ccs_find_domain(cp + 1);          domain = ccs_find_domain(cp + 1);
2100          profile = simple_strtoul(data, NULL, 10);          profile = simple_strtoul(data, NULL, 10);
2101          if (domain && profile < MAX_PROFILES          if (domain && profile < MAX_PROFILES
2102              && (profile_ptr[profile] || !sbin_init_started))              && (ccs_profile_ptr[profile] || !ccs_sbin_init_started))
2103                  domain->profile = (u8) profile;                  domain->profile = (u8) profile;
2104          ccs_update_counter(CCS_UPDATES_COUNTER_DOMAIN_POLICY);          ccs_update_counter(CCS_UPDATES_COUNTER_DOMAIN_POLICY);
2105          return 0;          return 0;
2106  }  }
2107    
2108  /**  /**
2109   * read_domain_profile - Read only domainname and profile.   * ccs_read_domain_profile - Read only domainname and profile.
2110   *   *
2111   * @head: Pointer to "struct ccs_io_buffer".   * @head: Pointer to "struct ccs_io_buffer".
2112   *   *
# Line 2110  static int write_domain_profile(struct c Line 2119  static int write_domain_profile(struct c
2119   *     domainname = $0; } else if ( $1 == "use_profile" ) {   *     domainname = $0; } else if ( $1 == "use_profile" ) {
2120   *     print $2 " " domainname; domainname = ""; } } ; '   *     print $2 " " domainname; domainname = ""; } } ; '
2121   */   */
2122  static int read_domain_profile(struct ccs_io_buffer *head)  static int ccs_read_domain_profile(struct ccs_io_buffer *head)
2123  {  {
2124          struct list1_head *pos;          struct list1_head *pos;
2125          if (head->read_eof)          if (head->read_eof)
2126                  return 0;                  return 0;
2127          list1_for_each_cookie(pos, head->read_var1, &domain_list) {          list1_for_each_cookie(pos, head->read_var1, &ccs_domain_list) {
2128                  struct domain_info *domain;                  struct domain_info *domain;
2129                  domain = list1_entry(pos, struct domain_info, list);                  domain = list1_entry(pos, struct domain_info, list);
2130                  if (domain->is_deleted)                  if (domain->is_deleted)
# Line 2129  static int read_domain_profile(struct cc Line 2138  static int read_domain_profile(struct cc
2138  }  }
2139    
2140  /**  /**
2141   * write_pid: Specify PID to obtain domainname.   * ccs_write_pid: Specify PID to obtain domainname.
2142   *   *
2143   * @head: Pointer to "struct ccs_io_buffer".   * @head: Pointer to "struct ccs_io_buffer".
2144   *   *
2145   * Returns 0.   * Returns 0.
2146   */   */
2147  static int write_pid(struct ccs_io_buffer *head)  static int ccs_write_pid(struct ccs_io_buffer *head)
2148  {  {
2149          head->read_eof = false;          head->read_eof = false;
2150          return 0;          return 0;
2151  }  }
2152    
2153  /**  /**
2154   * read_pid - Read information of a process.   * ccs_read_pid - Read information of a process.
2155   *   *
2156   * @head: Pointer to "struct ccs_io_buffer".   * @head: Pointer to "struct ccs_io_buffer".
2157   *   *
# Line 2150  static int write_pid(struct ccs_io_buffe Line 2159  static int write_pid(struct ccs_io_buffe
2159   * process information of the specified PID on success,   * process information of the specified PID on success,
2160   * empty string otherwise.   * empty string otherwise.
2161   */   */
2162  static int read_pid(struct ccs_io_buffer *head)  static int ccs_read_pid(struct ccs_io_buffer *head)
2163  {  {
2164          char *buf = head->write_buf;          char *buf = head->write_buf;
2165          bool task_info = false;          bool task_info = false;
# Line 2164  static int read_pid(struct ccs_io_buffer Line 2173  static int read_pid(struct ccs_io_buffer
2173          if (head->read_avail || head->read_eof)          if (head->read_avail || head->read_eof)
2174                  goto done;                  goto done;
2175          head->read_eof = true;          head->read_eof = true;
2176          if (str_starts(&buf, "info "))          if (ccs_str_starts(&buf, "info "))
2177                  task_info = true;                  task_info = true;
2178          pid = (unsigned int) simple_strtoul(buf, NULL, 10);          pid = (unsigned int) simple_strtoul(buf, NULL, 10);
2179          /***** CRITICAL SECTION START *****/          /***** CRITICAL SECTION START *****/
# Line 2198  static int read_pid(struct ccs_io_buffer Line 2207  static int read_pid(struct ccs_io_buffer
2207  #ifdef CONFIG_TOMOYO  #ifdef CONFIG_TOMOYO
2208    
2209  /**  /**
2210   * write_exception_policy - Write exception policy.   * ccs_write_exception_policy - Write exception policy.
2211   *   *
2212   * @head: Pointer to "struct ccs_io_buffer".   * @head: Pointer to "struct ccs_io_buffer".
2213   *   *
2214   * Returns 0 on success, negative value otherwise.   * Returns 0 on success, negative value otherwise.
2215   */   */
2216  static int write_exception_policy(struct ccs_io_buffer *head)  static int ccs_write_exception_policy(struct ccs_io_buffer *head)
2217  {  {
2218          char *data = head->write_buf;          char *data = head->write_buf;
2219          bool is_delete = str_starts(&data, KEYWORD_DELETE);          bool is_delete = ccs_str_starts(&data, KEYWORD_DELETE);
2220          if (str_starts(&data, KEYWORD_KEEP_DOMAIN))          if (ccs_str_starts(&data, KEYWORD_KEEP_DOMAIN))
2221                  return ccs_write_domain_keeper_policy(data, false, is_delete);                  return ccs_write_domain_keeper_policy(data, false, is_delete);
2222          if (str_starts(&data, KEYWORD_NO_KEEP_DOMAIN))          if (ccs_str_starts(&data, KEYWORD_NO_KEEP_DOMAIN))
2223                  return ccs_write_domain_keeper_policy(data, true, is_delete);                  return ccs_write_domain_keeper_policy(data, true, is_delete);
2224          if (str_starts(&data, KEYWORD_INITIALIZE_DOMAIN))          if (ccs_str_starts(&data, KEYWORD_INITIALIZE_DOMAIN))
2225                  return ccs_write_domain_initializer_policy(data, false,                  return ccs_write_domain_initializer_policy(data, false,
2226                                                             is_delete);                                                             is_delete);
2227          if (str_starts(&data, KEYWORD_NO_INITIALIZE_DOMAIN))          if (ccs_str_starts(&data, KEYWORD_NO_INITIALIZE_DOMAIN))
2228                  return ccs_write_domain_initializer_policy(data, true,                  return ccs_write_domain_initializer_policy(data, true,
2229                                                             is_delete);                                                             is_delete);
2230          if (str_starts(&data, KEYWORD_ALIAS))          if (ccs_str_starts(&data, KEYWORD_ALIAS))
2231                  return ccs_write_alias_policy(data, is_delete);                  return ccs_write_alias_policy(data, is_delete);
2232          if (str_starts(&data, KEYWORD_AGGREGATOR))          if (ccs_str_starts(&data, KEYWORD_AGGREGATOR))
2233                  return ccs_write_aggregator_policy(data, is_delete);                  return ccs_write_aggregator_policy(data, is_delete);
2234          if (str_starts(&data, KEYWORD_ALLOW_READ))          if (ccs_str_starts(&data, KEYWORD_ALLOW_READ))
2235                  return ccs_write_globally_readable_policy(data, is_delete);                  return ccs_write_globally_readable_policy(data, is_delete);
2236          if (str_starts(&data, KEYWORD_ALLOW_ENV))          if (ccs_str_starts(&data, KEYWORD_ALLOW_ENV))
2237                  return ccs_write_globally_usable_env_policy(data, is_delete);                  return ccs_write_globally_usable_env_policy(data, is_delete);
2238          if (str_starts(&data, KEYWORD_FILE_PATTERN))          if (ccs_str_starts(&data, KEYWORD_FILE_PATTERN))
2239                  return ccs_write_pattern_policy(data, is_delete);                  return ccs_write_pattern_policy(data, is_delete);
2240          if (str_starts(&data, KEYWORD_PATH_GROUP))          if (ccs_str_starts(&data, KEYWORD_PATH_GROUP))
2241                  return ccs_write_path_group_policy(data, is_delete);                  return ccs_write_path_group_policy(data, is_delete);
2242          if (str_starts(&data, KEYWORD_DENY_REWRITE))          if (ccs_str_starts(&data, KEYWORD_DENY_REWRITE))
2243                  return ccs_write_no_rewrite_policy(data, is_delete);                  return ccs_write_no_rewrite_policy(data, is_delete);
2244          if (str_starts(&data, KEYWORD_ADDRESS_GROUP))          if (ccs_str_starts(&data, KEYWORD_ADDRESS_GROUP))
2245                  return ccs_write_address_group_policy(data, is_delete);                  return ccs_write_address_group_policy(data, is_delete);
2246          return -EINVAL;          return -EINVAL;
2247  }  }
2248    
2249  /**  /**
2250   * read_exception_policy - Read exception policy.   * ccs_read_exception_policy - Read exception policy.
2251   *   *
2252   * @head: Pointer to "struct ccs_io_buffer".   * @head: Pointer to "struct ccs_io_buffer".
2253   *   *
2254   * Returns 0 on success, -EINVAL otherwise.   * Returns 0 on success, -EINVAL otherwise.
2255   */   */
2256  static int read_exception_policy(struct ccs_io_buffer *head)  static int ccs_read_exception_policy(struct ccs_io_buffer *head)
2257  {  {
2258          if (!head->read_eof) {          if (!head->read_eof) {
2259                  switch (head->read_step) {                  switch (head->read_step) {
# Line 2314  static int read_exception_policy(struct Line 2323  static int read_exception_policy(struct
2323  #ifdef CONFIG_SAKURA  #ifdef CONFIG_SAKURA
2324    
2325  /**  /**
2326   * write_system_policy - Write system policy.   * ccs_write_system_policy - Write system policy.
2327   *   *
2328   * @head: Pointer to "struct ccs_io_buffer".   * @head: Pointer to "struct ccs_io_buffer".
2329   *   *
2330   * Returns 0 on success, negative value otherwise.   * Returns 0 on success, negative value otherwise.
2331   */   */
2332  static int write_system_policy(struct ccs_io_buffer *head)  static int ccs_write_system_policy(struct ccs_io_buffer *head)
2333  {  {
2334          char *data = head->write_buf;          char *data = head->write_buf;
2335          bool is_delete = false;          bool is_delete = false;
2336          if (str_starts(&data, KEYWORD_DELETE))          if (ccs_str_starts(&data, KEYWORD_DELETE))
2337                  is_delete = true;                  is_delete = true;
2338          if (str_starts(&data, KEYWORD_ALLOW_MOUNT))          if (ccs_str_starts(&data, KEYWORD_ALLOW_MOUNT))
2339                  return ccs_write_mount_policy(data, is_delete);                  return ccs_write_mount_policy(data, is_delete);
2340          if (str_starts(&data, KEYWORD_DENY_UNMOUNT))          if (ccs_str_starts(&data, KEYWORD_DENY_UNMOUNT))
2341                  return ccs_write_no_umount_policy(data, is_delete);                  return ccs_write_no_umount_policy(data, is_delete);
2342          if (str_starts(&data, KEYWORD_ALLOW_CHROOT))          if (ccs_str_starts(&data, KEYWORD_ALLOW_CHROOT))
2343                  return ccs_write_chroot_policy(data, is_delete);                  return ccs_write_chroot_policy(data, is_delete);
2344          if (str_starts(&data, KEYWORD_ALLOW_PIVOT_ROOT))          if (ccs_str_starts(&data, KEYWORD_ALLOW_PIVOT_ROOT))
2345                  return ccs_write_pivot_root_policy(data, is_delete);                  return ccs_write_pivot_root_policy(data, is_delete);
2346          if (str_starts(&data, KEYWORD_DENY_AUTOBIND))          if (ccs_str_starts(&data, KEYWORD_DENY_AUTOBIND))
2347                  return ccs_write_reserved_port_policy(data, is_delete);                  return ccs_write_reserved_port_policy(data, is_delete);
2348          return -EINVAL;          return -EINVAL;
2349  }  }
2350    
2351  /**  /**
2352   * read_system_policy - Read system policy.   * ccs_read_system_policy - Read system policy.
2353   *   *
2354   * @head: Pointer to "struct ccs_io_buffer".   * @head: Pointer to "struct ccs_io_buffer".
2355   *   *
2356   * Returns 0 on success, -EINVAL otherwise.   * Returns 0 on success, -EINVAL otherwise.
2357   */   */
2358  static int read_system_policy(struct ccs_io_buffer *head)  static int ccs_read_system_policy(struct ccs_io_buffer *head)
2359  {  {
2360          if (!head->read_eof) {          if (!head->read_eof) {
2361                  switch (head->read_step) {                  switch (head->read_step) {
# Line 2391  static int read_system_policy(struct ccs Line 2400  static int read_system_policy(struct ccs
2400  static const char *ccs_loader;  static const char *ccs_loader;
2401    
2402  /**  /**
2403   * loader_setup - Specify the policy loader to use.   * ccs_loader_setup - Specify the policy loader to use.
2404   *   *
2405   * @str: Path to the policy loader.   * @str: Path to the policy loader.
2406   *   *
2407   * Returns 0.   * Returns 0.
2408   */   */
2409  static int __init loader_setup(char *str)  static int __init ccs_loader_setup(char *str)
2410  {  {
2411          ccs_loader = str;          ccs_loader = str;
2412          return 0;          return 0;
2413  }  }
2414    
2415  __setup("CCS_loader=", loader_setup);  __setup("CCS_loader=", ccs_loader_setup);
2416    
2417  /**  /**
2418   * policy_loader_exists - Check whether /sbin/ccs-init exists.   * ccs_policy_loader_exists - Check whether /sbin/ccs-init exists.
2419   *   *
2420   * Returns true if /sbin/ccs-init exists, false otherwise.   * Returns true if /sbin/ccs-init exists, false otherwise.
2421   */   */
2422  static bool policy_loader_exists(void)  static bool ccs_policy_loader_exists(void)
2423  {  {
2424          /*          /*
2425           * Don't activate MAC if the path given by 'CCS_loader=' option doesn't           * Don't activate MAC if the path given by 'CCS_loader=' option doesn't
# Line 2422  static bool policy_loader_exists(void) Line 2431  static bool policy_loader_exists(void)
2431          struct nameidata nd;          struct nameidata nd;
2432          if (!ccs_loader)          if (!ccs_loader)
2433                  ccs_loader = "/sbin/ccs-init";                  ccs_loader = "/sbin/ccs-init";
2434          if (path_lookup(ccs_loader, lookup_flags, &nd)) {          if (path_lookup(ccs_loader, ccs_lookup_flags, &nd)) {
2435                  printk(KERN_INFO "Not activating Mandatory Access Control now "                  printk(KERN_INFO "Not activating Mandatory Access Control now "
2436                         "since %s doesn't exist.\n", ccs_loader);                         "since %s doesn't exist.\n", ccs_loader);
2437                  return false;                  return false;
# Line 2437  static bool policy_loader_exists(void) Line 2446  static bool policy_loader_exists(void)
2446    
2447  #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 5, 0)  #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 5, 0)
2448  /**  /**
2449   * run_ccs_loader - Start /sbin/ccs-init .   * ccs_run_loader - Start /sbin/ccs-init .
2450   *   *
2451   * @unused: Not used.   * @unused: Not used.
2452   *   *
2453   * Returns PID of /sbin/ccs-init on success, negative value otherwise.   * Returns PID of /sbin/ccs-init on success, negative value otherwise.
2454   */   */
2455  static int run_ccs_loader(void *unused)  static int ccs_run_loader(void *unused)
2456  {  {
2457          char *argv[2];          char *argv[2];
2458          char *envp[3];          char *envp[3];
# Line 2473  static int run_ccs_loader(void *unused) Line 2482  static int run_ccs_loader(void *unused)
2482   */   */
2483  void ccs_load_policy(const char *filename)  void ccs_load_policy(const char *filename)
2484  {  {
2485          if (sbin_init_started)          if (ccs_sbin_init_started)
2486                  return;                  return;
2487          /*          /*
2488           * Check filename is /sbin/init or /sbin/ccs-start.           * Check filename is /sbin/init or /sbin/ccs-start.
# Line 2484  void ccs_load_policy(const char *filenam Line 2493  void ccs_load_policy(const char *filenam
2493          if (strcmp(filename, "/sbin/init") &&          if (strcmp(filename, "/sbin/init") &&
2494              strcmp(filename, "/sbin/ccs-start"))              strcmp(filename, "/sbin/ccs-start"))
2495                  return;                  return;
2496          if (!policy_loader_exists())          if (!ccs_policy_loader_exists())
2497                  return;                  return;
2498  #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 5, 0)  #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 5, 0)
2499          {          {
# Line 2503  void ccs_load_policy(const char *filenam Line 2512  void ccs_load_policy(const char *filenam
2512          {          {
2513                  /* Copied from kernel/kmod.c */                  /* Copied from kernel/kmod.c */
2514                  struct task_struct *task = current;                  struct task_struct *task = current;
2515                  pid_t pid = kernel_thread(run_ccs_loader, NULL, 0);                  pid_t pid = kernel_thread(ccs_run_loader, NULL, 0);
2516                  sigset_t tmpsig;                  sigset_t tmpsig;
2517                  spin_lock_irq(&task->sighand->siglock);                  spin_lock_irq(&task->sighand->siglock);
2518                  tmpsig = task->blocked;                  tmpsig = task->blocked;
# Line 2522  void ccs_load_policy(const char *filenam Line 2531  void ccs_load_policy(const char *filenam
2531          {          {
2532                  /* Copied from kernel/kmod.c */                  /* Copied from kernel/kmod.c */
2533                  struct task_struct *task = current;                  struct task_struct *task = current;
2534                  pid_t pid = kernel_thread(run_ccs_loader, NULL, 0);                  pid_t pid = kernel_thread(ccs_run_loader, NULL, 0);
2535                  sigset_t tmpsig;                  sigset_t tmpsig;
2536                  spin_lock_irq(&task->sigmask_lock);                  spin_lock_irq(&task->sigmask_lock);
2537                  tmpsig = task->blocked;                  tmpsig = task->blocked;
# Line 2539  void ccs_load_policy(const char *filenam Line 2548  void ccs_load_policy(const char *filenam
2548          }          }
2549  #endif  #endif
2550  #ifdef CONFIG_SAKURA  #ifdef CONFIG_SAKURA
2551          printk(KERN_INFO "SAKURA: 1.6.6-pre   2008/12/01\n");          printk(KERN_INFO "SAKURA: 1.6.6-pre   2008/12/24\n");
2552  #endif  #endif
2553  #ifdef CONFIG_TOMOYO  #ifdef CONFIG_TOMOYO
2554          printk(KERN_INFO "TOMOYO: 1.6.6-pre   2008/12/22\n");          printk(KERN_INFO "TOMOYO: 1.6.6-pre   2008/12/24\n");
2555  #endif  #endif
2556          printk(KERN_INFO "Mandatory Access Control activated.\n");          printk(KERN_INFO "Mandatory Access Control activated.\n");
2557          sbin_init_started = true;          ccs_sbin_init_started = true;
2558          ccs_log_level = KERN_WARNING;          ccs_log_level = KERN_WARNING;
2559          { /* Check all profiles currently assigned to domains are defined. */          { /* Check all profiles currently assigned to domains are defined. */
2560                  struct domain_info *domain;                  struct domain_info *domain;
2561                  list1_for_each_entry(domain, &domain_list, list) {                  list1_for_each_entry(domain, &ccs_domain_list, list) {
2562                          const u8 profile = domain->profile;                          const u8 profile = domain->profile;
2563                          if (profile_ptr[profile])                          if (ccs_profile_ptr[profile])
2564                                  continue;                                  continue;
2565                          panic("Profile %u (used by '%s') not defined.\n",                          panic("Profile %u (used by '%s') not defined.\n",
2566                                profile, domain->domainname->name);                                profile, domain->domainname->name);
# Line 2559  void ccs_load_policy(const char *filenam Line 2568  void ccs_load_policy(const char *filenam
2568          }          }
2569  }  }
2570    
2571  /* Wait queue for query_list. */  /* Wait queue for ccs_query_list. */
2572  static DECLARE_WAIT_QUEUE_HEAD(query_wait);  static DECLARE_WAIT_QUEUE_HEAD(ccs_query_wait);
2573    
2574  /* Lock for manipulating query_list. */  /* Lock for manipulating ccs_query_list. */
2575  static DEFINE_SPINLOCK(query_list_lock);  static DEFINE_SPINLOCK(ccs_query_list_lock);
2576    
2577  /* Structure for query. */  /* Structure for query. */
2578  struct query_entry {  struct ccs_query_entry {
2579          struct list_head list;          struct list_head list;
2580          char *query;          char *query;
2581          int query_len;          int query_len;
# Line 2575  struct query_entry { Line 2584  struct query_entry {
2584          int answer;          int answer;
2585  };  };
2586    
2587  /* The list for "struct query_entry". */  /* The list for "struct ccs_query_entry". */
2588  static LIST_HEAD(query_list);  static LIST_HEAD(ccs_query_list);
2589    
2590  /* Number of "struct file" referring /proc/ccs/query interface. */  /* Number of "struct file" referring /proc/ccs/query interface. */
2591  static atomic_t queryd_watcher = ATOMIC_INIT(0);  static atomic_t ccs_queryd_watcher = ATOMIC_INIT(0);
2592    
2593  /**  /**
2594   * ccs_check_supervisor - Ask for the supervisor's decision.   * ccs_check_supervisor - Ask for the supervisor's decision.
# Line 2598  int ccs_check_supervisor(struct ccs_requ Line 2607  int ccs_check_supervisor(struct ccs_requ
2607          int error = -EPERM;          int error = -EPERM;
2608          int pos;          int pos;
2609          int len;          int len;
2610          static unsigned int serial;          static unsigned int ccs_serial;
2611          struct query_entry *query_entry = NULL;          struct ccs_query_entry *ccs_query_entry = NULL;
2612          char *header;          char *header;
2613          if (!r->domain)          if (!r->domain)
2614                  r->domain = current->domain_info;                  r->domain = current->domain_info;
2615          if (!atomic_read(&queryd_watcher)) {          if (!atomic_read(&ccs_queryd_watcher)) {
2616                  int i;                  int i;
2617                  if (current->tomoyo_flags & CCS_DONT_SLEEP_ON_ENFORCE_ERROR)                  if (current->tomoyo_flags & CCS_DONT_SLEEP_ON_ENFORCE_ERROR)
2618                          return -EPERM;                          return -EPERM;
# Line 2624  int ccs_check_supervisor(struct ccs_requ Line 2633  int ccs_check_supervisor(struct ccs_requ
2633  #endif  #endif
2634          if (!header)          if (!header)
2635                  goto out;                  goto out;
2636          query_entry = ccs_alloc(sizeof(*query_entry), true);          ccs_query_entry = ccs_alloc(sizeof(*ccs_query_entry), true);
2637          if (!query_entry)          if (!ccs_query_entry)
2638                  goto out;                  goto out;
2639          query_entry->query = ccs_alloc(len, true);          ccs_query_entry->query = ccs_alloc(len, true);
2640          if (!query_entry->query)          if (!ccs_query_entry->query)
2641                  goto out;                  goto out;
2642          INIT_LIST_HEAD(&query_entry->list);          INIT_LIST_HEAD(&ccs_query_entry->list);
2643          /***** CRITICAL SECTION START *****/          /***** CRITICAL SECTION START *****/
2644          spin_lock(&query_list_lock);          spin_lock(&ccs_query_list_lock);
2645          query_entry->serial = serial++;          ccs_query_entry->serial = ccs_serial++;
2646          spin_unlock(&query_list_lock);          spin_unlock(&ccs_query_list_lock);
2647          /***** CRITICAL SECTION END *****/          /***** CRITICAL SECTION END *****/
2648          pos = snprintf(query_entry->query, len - 1, "Q%u-%hu\n%s",          pos = snprintf(ccs_query_entry->query, len - 1, "Q%u-%hu\n%s",
2649                         query_entry->serial, r->retry, header);                         ccs_query_entry->serial, r->retry, header);
2650          ccs_free(header);          ccs_free(header);
2651          header = NULL;          header = NULL;
2652          va_start(args, fmt);          va_start(args, fmt);
2653          vsnprintf(query_entry->query + pos, len - 1 - pos, fmt, args);          vsnprintf(ccs_query_entry->query + pos, len - 1 - pos, fmt, args);
2654          query_entry->query_len = strlen(query_entry->query) + 1;          ccs_query_entry->query_len = strlen(ccs_query_entry->query) + 1;
2655          va_end(args);          va_end(args);
2656          /***** CRITICAL SECTION START *****/          /***** CRITICAL SECTION START *****/
2657          spin_lock(&query_list_lock);          spin_lock(&ccs_query_list_lock);
2658          list_add_tail(&query_entry->list, &query_list);          list_add_tail(&ccs_query_entry->list, &ccs_query_list);
2659          spin_unlock(&query_list_lock);          spin_unlock(&ccs_query_list_lock);
2660          /***** CRITICAL SECTION END *****/          /***** CRITICAL SECTION END *****/
2661          ccs_update_counter(CCS_UPDATES_COUNTER_QUERY);          ccs_update_counter(CCS_UPDATES_COUNTER_QUERY);
2662          /* Give 10 seconds for supervisor's opinion. */          /* Give 10 seconds for supervisor's opinion. */
2663          for (query_entry->timer = 0; atomic_read(&queryd_watcher)          for (ccs_query_entry->timer = 0;
2664                       && query_entry->timer < 100; query_entry->timer++) {               atomic_read(&ccs_queryd_watcher) && ccs_query_entry->timer < 100;
2665                  wake_up(&query_wait);               ccs_query_entry->timer++) {
2666                    wake_up(&ccs_query_wait);
2667                  set_current_state(TASK_INTERRUPTIBLE);                  set_current_state(TASK_INTERRUPTIBLE);
2668                  schedule_timeout(HZ / 10);                  schedule_timeout(HZ / 10);
2669                  if (query_entry->answer)                  if (ccs_query_entry->answer)
2670                          break;                          break;
2671          }          }
2672          ccs_update_counter(CCS_UPDATES_COUNTER_QUERY);          ccs_update_counter(CCS_UPDATES_COUNTER_QUERY);
2673          /***** CRITICAL SECTION START *****/          /***** CRITICAL SECTION START *****/
2674          spin_lock(&query_list_lock);          spin_lock(&ccs_query_list_lock);
2675          list_del(&query_entry->list);          list_del(&ccs_query_entry->list);
2676          spin_unlock(&query_list_lock);          spin_unlock(&ccs_query_list_lock);
2677          /***** CRITICAL SECTION END *****/          /***** CRITICAL SECTION END *****/
2678          switch (query_entry->answer) {          switch (ccs_query_entry->answer) {
2679          case 3: /* Asked to retry by administrator. */          case 3: /* Asked to retry by administrator. */
2680                  error = 1;                  error = 1;
2681                  r->retry++;                  r->retry++;
# Line 2682  int ccs_check_supervisor(struct ccs_requ Line 2692  int ccs_check_supervisor(struct ccs_requ
2692                  break;                  break;
2693          }          }
2694   out:   out:
2695          if (query_entry)          if (ccs_query_entry)
2696                  ccs_free(query_entry->query);                  ccs_free(ccs_query_entry->query);
2697          ccs_free(query_entry);          ccs_free(ccs_query_entry);
2698          ccs_free(header);          ccs_free(header);
2699          return error;          return error;
2700  }  }
2701    
2702  /**  /**
2703   * poll_query - poll() for /proc/ccs/query.   * ccs_poll_query - poll() for /proc/ccs/query.
2704   *   *
2705   * @file: Pointer to "struct file".   * @file: Pointer to "struct file".
2706   * @wait: Pointer to "poll_table".   * @wait: Pointer to "poll_table".
# Line 2699  int ccs_check_supervisor(struct ccs_requ Line 2709  int ccs_check_supervisor(struct ccs_requ
2709   *   *
2710   * Waits for access requests which violated policy in enforcing mode.   * Waits for access requests which violated policy in enforcing mode.
2711   */   */
2712  static int poll_query(struct file *file, poll_table *wait)  static int ccs_poll_query(struct file *file, poll_table *wait)
2713  {  {
2714          struct list_head *tmp;          struct list_head *tmp;
2715          bool found = false;          bool found = false;
2716          u8 i;          u8 i;
2717          for (i = 0; i < 2; i++) {          for (i = 0; i < 2; i++) {
2718                  /***** CRITICAL SECTION START *****/                  /***** CRITICAL SECTION START *****/
2719                  spin_lock(&query_list_lock);                  spin_lock(&ccs_query_list_lock);
2720                  list_for_each(tmp, &query_list) {                  list_for_each(tmp, &ccs_query_list) {
2721                          struct query_entry *ptr                          struct ccs_query_entry *ptr
2722                                  = list_entry(tmp, struct query_entry, list);                                  = list_entry(tmp, struct ccs_query_entry, list);
2723                          if (ptr->answer)                          if (ptr->answer)
2724                                  continue;                                  continue;
2725                          found = true;                          found = true;
2726                          break;                          break;
2727                  }                  }
2728                  spin_unlock(&query_list_lock);                  spin_unlock(&ccs_query_list_lock);
2729                  /***** CRITICAL SECTION END *****/                  /***** CRITICAL SECTION END *****/
2730                  if (found)                  if (found)
2731                          return POLLIN | POLLRDNORM;                          return POLLIN | POLLRDNORM;
2732                  if (i)                  if (i)
2733                          break;                          break;
2734                  poll_wait(file, &query_wait, wait);                  poll_wait(file, &ccs_query_wait, wait);
2735          }          }
2736          return 0;          return 0;
2737  }  }
2738    
2739  /**  /**
2740   * read_query - Read access requests which violated policy in enforcing mode.   * ccs_read_query - Read access requests which violated policy in enforcing mode.
2741   *   *
2742   * @head: Pointer to "struct ccs_io_buffer".   * @head: Pointer to "struct ccs_io_buffer".
2743   *   *
2744   * Returns 0.   * Returns 0.
2745   */   */
2746  static int read_query(struct ccs_io_buffer *head)  static int ccs_read_query(struct ccs_io_buffer *head)
2747  {  {
2748          struct list_head *tmp;          struct list_head *tmp;
2749          int pos = 0;          int pos = 0;
# Line 2747  static int read_query(struct ccs_io_buff Line 2757  static int read_query(struct ccs_io_buff
2757                  head->readbuf_size = 0;                  head->readbuf_size = 0;
2758          }          }
2759          /***** CRITICAL SECTION START *****/          /***** CRITICAL SECTION START *****/
2760          spin_lock(&query_list_lock);          spin_lock(&ccs_query_list_lock);
2761          list_for_each(tmp, &query_list) {          list_for_each(tmp, &ccs_query_list) {
2762                  struct query_entry *ptr                  struct ccs_query_entry *ptr
2763                          = list_entry(tmp, struct query_entry, list);                          = list_entry(tmp, struct ccs_query_entry, list);
2764                  if (ptr->answer)                  if (ptr->answer)
2765                          continue;                          continue;
2766                  if (pos++ != head->read_step)                  if (pos++ != head->read_step)
# Line 2758  static int read_query(struct ccs_io_buff Line 2768  static int read_query(struct ccs_io_buff
2768                  len = ptr->query_len;                  len = ptr->query_len;
2769                  break;                  break;
2770          }          }
2771          spin_unlock(&query_list_lock);          spin_unlock(&ccs_query_list_lock);
2772          /***** CRITICAL SECTION END *****/          /***** CRITICAL SECTION END *****/
2773          if (!len) {          if (!len) {
2774                  head->read_step = 0;                  head->read_step = 0;
# Line 2769  static int read_query(struct ccs_io_buff Line 2779  static int read_query(struct ccs_io_buff
2779                  return 0;                  return 0;
2780          pos = 0;          pos = 0;
2781          /***** CRITICAL SECTION START *****/          /***** CRITICAL SECTION START *****/
2782          spin_lock(&query_list_lock);          spin_lock(&ccs_query_list_lock);
2783          list_for_each(tmp, &query_list) {          list_for_each(tmp, &ccs_query_list) {
2784                  struct query_entry *ptr                  struct ccs_query_entry *ptr
2785                          = list_entry(tmp, struct query_entry, list);                          = list_entry(tmp, struct ccs_query_entry, list);
2786                  if (ptr->answer)                  if (ptr->answer)
2787                          continue;                          continue;
2788                  if (pos++ != head->read_step)                  if (pos++ != head->read_step)
2789                          continue;                          continue;
2790                  /*                  /*
2791                   * Some query can be skipped because query_list                   * Some query can be skipped because ccs_query_list
2792                   * can change, but I don't care.                   * can change, but I don't care.
2793                   */                   */
2794                  if (len == ptr->query_len)                  if (len == ptr->query_len)
2795                          memmove(buf, ptr->query, len);                          memmove(buf, ptr->query, len);
2796                  break;                  break;
2797          }          }
2798          spin_unlock(&query_list_lock);          spin_unlock(&ccs_query_list_lock);
2799          /***** CRITICAL SECTION END *****/          /***** CRITICAL SECTION END *****/
2800          if (buf[0]) {          if (buf[0]) {
2801                  head->read_avail = len;                  head->read_avail = len;
# Line 2799  static int read_query(struct ccs_io_buff Line 2809  static int read_query(struct ccs_io_buff
2809  }  }
2810    
2811  /**  /**
2812   * write_answer - Write the supervisor's decision.   * ccs_write_answer - Write the supervisor's decision.
2813   *   *
2814   * @head: Pointer to "struct ccs_io_buffer".   * @head: Pointer to "struct ccs_io_buffer".
2815   *   *
2816   * Returns 0 on success, -EINVAL otherwise.   * Returns 0 on success, -EINVAL otherwise.
2817   */   */
2818  static int write_answer(struct ccs_io_buffer *head)  static int ccs_write_answer(struct ccs_io_buffer *head)
2819  {  {
2820          char *data = head->write_buf;          char *data = head->write_buf;
2821          struct list_head *tmp;          struct list_head *tmp;
2822          unsigned int serial;          unsigned int serial;
2823          unsigned int answer;          unsigned int answer;
2824          /***** CRITICAL SECTION START *****/          /***** CRITICAL SECTION START *****/
2825          spin_lock(&query_list_lock);          spin_lock(&ccs_query_list_lock);
2826          list_for_each(tmp, &query_list) {          list_for_each(tmp, &ccs_query_list) {
2827                  struct query_entry *ptr                  struct ccs_query_entry *ptr
2828                          = list_entry(tmp, struct query_entry, list);                          = list_entry(tmp, struct ccs_query_entry, list);
2829                  ptr->timer = 0;                  ptr->timer = 0;
2830          }          }
2831          spin_unlock(&query_list_lock);          spin_unlock(&ccs_query_list_lock);
2832          /***** CRITICAL SECTION END *****/          /***** CRITICAL SECTION END *****/
2833          if (sscanf(data, "A%u=%u", &serial, &answer) != 2)          if (sscanf(data, "A%u=%u", &serial, &answer) != 2)
2834                  return -EINVAL;                  return -EINVAL;
2835          /***** CRITICAL SECTION START *****/          /***** CRITICAL SECTION START *****/
2836          spin_lock(&query_list_lock);          spin_lock(&ccs_query_list_lock);
2837          list_for_each(tmp, &query_list) {          list_for_each(tmp, &ccs_query_list) {
2838                  struct query_entry *ptr                  struct ccs_query_entry *ptr
2839                          = list_entry(tmp, struct query_entry, list);                          = list_entry(tmp, struct ccs_query_entry, list);
2840                  if (ptr->serial != serial)                  if (ptr->serial != serial)
2841                          continue;                          continue;
2842                  if (!ptr->answer)                  if (!ptr->answer)
2843                          ptr->answer = answer;                          ptr->answer = answer;
2844                  break;                  break;
2845          }          }
2846          spin_unlock(&query_list_lock);          spin_unlock(&ccs_query_list_lock);
2847          /***** CRITICAL SECTION END *****/          /***** CRITICAL SECTION END *****/
2848          return 0;          return 0;
2849  }  }
2850    
2851  /* Policy updates counter. */  /* Policy updates counter. */
2852  static unsigned int updates_counter[MAX_CCS_UPDATES_COUNTER];  static unsigned int ccs_updates_counter[MAX_CCS_UPDATES_COUNTER];
2853    
2854  /* Policy updates counter lock. */  /* Policy updates counter lock. */
2855  static DEFINE_SPINLOCK(updates_counter_lock);  static DEFINE_SPINLOCK(ccs_updates_counter_lock);
2856    
2857  /**  /**
2858   * ccs_update_counter - Increment policy change counter.   * ccs_update_counter - Increment policy change counter.
# Line 2854  static DEFINE_SPINLOCK(updates_counter_l Line 2864  static DEFINE_SPINLOCK(updates_counter_l
2864  void ccs_update_counter(const unsigned char index)  void ccs_update_counter(const unsigned char index)
2865  {  {
2866          /***** CRITICAL SECTION START *****/          /***** CRITICAL SECTION START *****/
2867          spin_lock(&updates_counter_lock);          spin_lock(&ccs_updates_counter_lock);
2868          if (index < MAX_CCS_UPDATES_COUNTER)          if (index < MAX_CCS_UPDATES_COUNTER)
2869                  updates_counter[index]++;                  ccs_updates_counter[index]++;
2870          spin_unlock(&updates_counter_lock);          spin_unlock(&ccs_updates_counter_lock);
2871          /***** CRITICAL SECTION END *****/          /***** CRITICAL SECTION END *****/
2872  }  }
2873    
2874  /**  /**
2875   * read_updates_counter - Check for policy change counter.   * ccs_read_updates_counter - Check for policy change counter.
2876   *   *
2877   * @head: Pointer to "struct ccs_io_buffer".   * @head: Pointer to "struct ccs_io_buffer".
2878   *   *
2879   * Returns how many times policy has changed since the previous check.   * Returns how many times policy has changed since the previous check.
2880   */   */
2881  static int read_updates_counter(struct ccs_io_buffer *head)  static int ccs_read_updates_counter(struct ccs_io_buffer *head)
2882  {  {
2883          if (!head->read_eof) {          if (!head->read_eof) {
2884                  unsigned int counter[MAX_CCS_UPDATES_COUNTER];                  unsigned int counter[MAX_CCS_UPDATES_COUNTER];
2885                  /***** CRITICAL SECTION START *****/                  /***** CRITICAL SECTION START *****/
2886                  spin_lock(&updates_counter_lock);                  spin_lock(&ccs_updates_counter_lock);
2887                  memmove(counter, updates_counter, sizeof(updates_counter));                  memmove(counter, ccs_updates_counter,
2888                  memset(updates_counter, 0, sizeof(updates_counter));                          sizeof(ccs_updates_counter));
2889                  spin_unlock(&updates_counter_lock);                  memset(ccs_updates_counter, 0, sizeof(ccs_updates_counter));
2890                    spin_unlock(&ccs_updates_counter_lock);
2891                  /***** CRITICAL SECTION END *****/                  /***** CRITICAL SECTION END *****/
2892                  ccs_io_printf(head,                  ccs_io_printf(head,
2893                                "/proc/ccs/system_policy:    %10u\n"                                "/proc/ccs/system_policy:    %10u\n"
# Line 2901  static int read_updates_counter(struct c Line 2912  static int read_updates_counter(struct c
2912  }  }
2913    
2914  /**  /**
2915   * read_version: Get version.   * ccs_read_version: Get version.
2916   *   *
2917   * @head: Pointer to "struct ccs_io_buffer".   * @head: Pointer to "struct ccs_io_buffer".
2918   *   *
2919   * Returns version information.   * Returns version information.
2920   */   */
2921  static int read_version(struct ccs_io_buffer *head)  static int ccs_read_version(struct ccs_io_buffer *head)
2922  {  {
2923          if (!head->read_eof) {          if (!head->read_eof) {
2924                  ccs_io_printf(head, "1.6.6-pre");                  ccs_io_printf(head, "1.6.6-pre");
# Line 2917  static int read_version(struct ccs_io_bu Line 2928  static int read_version(struct ccs_io_bu
2928  }  }
2929    
2930  /**  /**
2931   * read_self_domain - Get the current process's domainname.   * ccs_read_self_domain - Get the current process's domainname.
2932   *   *
2933   * @head: Pointer to "struct ccs_io_buffer".   * @head: Pointer to "struct ccs_io_buffer".
2934   *   *
2935   * Returns the current process's domainname.   * Returns the current process's domainname.
2936   */   */
2937  static int read_self_domain(struct ccs_io_buffer *head)  static int ccs_read_self_domain(struct ccs_io_buffer *head)
2938  {  {
2939          if (!head->read_eof) {          if (!head->read_eof) {
2940                  /*                  /*
# Line 2955  int ccs_open_control(const u8 type, stru Line 2966  int ccs_open_control(const u8 type, stru
2966          switch (type) {          switch (type) {
2967  #ifdef CONFIG_SAKURA  #ifdef CONFIG_SAKURA
2968          case CCS_SYSTEMPOLICY: /* /proc/ccs/system_policy */          case CCS_SYSTEMPOLICY: /* /proc/ccs/system_policy */
2969                  head->write = write_system_policy;                  head->write = ccs_write_system_policy;
2970                  head->read = read_system_policy;                  head->read = ccs_read_system_policy;
2971                  break;                  break;
2972  #endif  #endif
2973  #ifdef CONFIG_TOMOYO  #ifdef CONFIG_TOMOYO
2974          case CCS_DOMAINPOLICY: /* /proc/ccs/domain_policy */          case CCS_DOMAINPOLICY: /* /proc/ccs/domain_policy */
2975                  head->write = write_domain_policy;                  head->write = ccs_write_domain_policy;
2976                  head->read = read_domain_policy;                  head->read = ccs_read_domain_policy;
2977                  break;                  break;
2978          case CCS_EXCEPTIONPOLICY: /* /proc/ccs/exception_policy */          case CCS_EXCEPTIONPOLICY: /* /proc/ccs/exception_policy */
2979                  head->write = write_exception_policy;                  head->write = ccs_write_exception_policy;
2980                  head->read = read_exception_policy;                  head->read = ccs_read_exception_policy;
2981                  break;                  break;
2982          case CCS_GRANTLOG: /* /proc/ccs/grant_log */          case CCS_GRANTLOG: /* /proc/ccs/grant_log */
2983                  head->poll = ccs_poll_grant_log;                  head->poll = ccs_poll_grant_log;
# Line 2978  int ccs_open_control(const u8 type, stru Line 2989  int ccs_open_control(const u8 type, stru
2989                  break;                  break;
2990  #endif  #endif
2991          case CCS_SELFDOMAIN: /* /proc/ccs/self_domain */          case CCS_SELFDOMAIN: /* /proc/ccs/self_domain */
2992                  head->read = read_self_domain;                  head->read = ccs_read_self_domain;
2993                  break;                  break;
2994          case CCS_DOMAIN_STATUS: /* /proc/ccs/.domain_status */          case CCS_DOMAIN_STATUS: /* /proc/ccs/.domain_status */
2995                  head->write = write_domain_profile;                  head->write = ccs_write_domain_profile;
2996                  head->read = read_domain_profile;                  head->read = ccs_read_domain_profile;
2997                  break;                  break;
2998          case CCS_EXECUTE_HANDLER: /* /proc/ccs/.execute_handler */          case CCS_EXECUTE_HANDLER: /* /proc/ccs/.execute_handler */
2999                  /* Allow execute_handler to read process's status. */                  /* Allow execute_handler to read process's status. */
# Line 2992  int ccs_open_control(const u8 type, stru Line 3003  int ccs_open_control(const u8 type, stru
3003                  }                  }
3004                  /* fall through */                  /* fall through */
3005          case CCS_PROCESS_STATUS: /* /proc/ccs/.process_status */          case CCS_PROCESS_STATUS: /* /proc/ccs/.process_status */
3006                  head->write = write_pid;                  head->write = ccs_write_pid;
3007                  head->read = read_pid;                  head->read = ccs_read_pid;
3008                  break;                  break;
3009          case CCS_VERSION: /* /proc/ccs/version */          case CCS_VERSION: /* /proc/ccs/version */
3010                  head->read = read_version;                  head->read = ccs_read_version;
3011                  head->readbuf_size = 128;                  head->readbuf_size = 128;
3012                  break;                  break;
3013          case CCS_MEMINFO: /* /proc/ccs/meminfo */          case CCS_MEMINFO: /* /proc/ccs/meminfo */
# Line 3005  int ccs_open_control(const u8 type, stru Line 3016  int ccs_open_control(const u8 type, stru
3016                  head->readbuf_size = 512;                  head->readbuf_size = 512;
3017                  break;                  break;
3018          case CCS_PROFILE: /* /proc/ccs/profile */          case CCS_PROFILE: /* /proc/ccs/profile */
3019                  head->write = write_profile;                  head->write = ccs_write_profile;
3020                  head->read = read_profile;                  head->read = ccs_read_profile;
3021                  break;                  break;
3022          case CCS_QUERY: /* /proc/ccs/query */          case CCS_QUERY: /* /proc/ccs/query */
3023                  head->poll = poll_query;                  head->poll = ccs_poll_query;
3024                  head->write = write_answer;                  head->write = ccs_write_answer;
3025                  head->read = read_query;                  head->read = ccs_read_query;
3026                  break;                  break;
3027          case CCS_MANAGER: /* /proc/ccs/manager */          case CCS_MANAGER: /* /proc/ccs/manager */
3028                  head->write = write_manager_policy;                  head->write = ccs_write_manager_policy;
3029                  head->read = read_manager_policy;                  head->read = ccs_read_manager_policy;
3030                  break;                  break;
3031          case CCS_UPDATESCOUNTER: /* /proc/ccs/.updates_counter */          case CCS_UPDATESCOUNTER: /* /proc/ccs/.ccs_updates_counter */
3032                  head->read = read_updates_counter;                  head->read = ccs_read_updates_counter;
3033                  break;                  break;
3034          }          }
3035          if (!(file->f_mode & FMODE_READ)) {          if (!(file->f_mode & FMODE_READ)) {
# Line 3070  int ccs_open_control(const u8 type, stru Line 3081  int ccs_open_control(const u8 type, stru
3081           * The monitor count is used by ccs_check_supervisor() to see if           * The monitor count is used by ccs_check_supervisor() to see if
3082           * there is some process monitoring /proc/ccs/query.           * there is some process monitoring /proc/ccs/query.
3083           */           */
3084          else if (head->write == write_answer || head->read == read_query)          else if (head->write == ccs_write_answer ||
3085                  atomic_inc(&queryd_watcher);                   head->read == ccs_read_query)
3086                    atomic_inc(&ccs_queryd_watcher);
3087          return 0;          return 0;
3088  }  }
3089    
# Line 3159  int ccs_write_control(struct file *file, Line 3171  int ccs_write_control(struct file *file,
3171          if (!access_ok(VERIFY_READ, buffer, buffer_len))          if (!access_ok(VERIFY_READ, buffer, buffer_len))
3172                  return -EFAULT;                  return -EFAULT;
3173          /* Don't allow updating policies by non manager programs. */          /* Don't allow updating policies by non manager programs. */
3174          if (head->write != write_pid &&          if (head->write != ccs_write_pid &&
3175  #ifdef CONFIG_TOMOYO  #ifdef CONFIG_TOMOYO
3176              head->write != write_domain_policy &&              head->write != ccs_write_domain_policy &&
3177  #endif  #endif
3178              !is_policy_manager())              !ccs_is_policy_manager())
3179                  return -EPERM;                  return -EPERM;
3180          if (mutex_lock_interruptible(&head->io_sem))          if (mutex_lock_interruptible(&head->io_sem))
3181                  return -EINTR;                  return -EINTR;
# Line 3184  int ccs_write_control(struct file *file, Line 3196  int ccs_write_control(struct file *file,
3196                          continue;                          continue;
3197                  cp0[head->write_avail - 1] = '\0';                  cp0[head->write_avail - 1] = '\0';
3198                  head->write_avail = 0;                  head->write_avail = 0;
3199                  normalize_line(cp0);                  ccs_normalize_line(cp0);
3200                  head->write(head);                  head->write(head);
3201          }          }
3202          mutex_unlock(&head->io_sem);          mutex_unlock(&head->io_sem);
# Line 3204  int ccs_close_control(struct file *file) Line 3216  int ccs_close_control(struct file *file)
3216          /*          /*
3217           * If the file is /proc/ccs/query , decrement the monitor count.           * If the file is /proc/ccs/query , decrement the monitor count.
3218           */           */
3219          if (head->write == write_answer || head->read == read_query)          if (head->write == ccs_write_answer || head->read == ccs_read_query)
3220                  atomic_dec(&queryd_watcher);                  atomic_dec(&ccs_queryd_watcher);
3221          /* Release memory used for policy I/O. */          /* Release memory used for policy I/O. */
3222          ccs_free(head->read_buf);          ccs_free(head->read_buf);
3223          head->read_buf = NULL;          head->read_buf = NULL;
# Line 3226  int ccs_close_control(struct file *file) Line 3238  int ccs_close_control(struct file *file)
3238   * Returns pointer to the ACL entry on success, NULL otherwise.   * Returns pointer to the ACL entry on success, NULL otherwise.
3239   */   */
3240  void *ccs_alloc_acl_element(const u8 acl_type,  void *ccs_alloc_acl_element(const u8 acl_type,
3241                              const struct condition_list *condition)                              const struct ccs_condition_list *condition)
3242  {  {
3243          int len;          int len;
3244          struct acl_info *ptr;          struct ccs_acl_info *ptr;
3245          switch (acl_type) {          switch (acl_type) {
3246          case TYPE_SINGLE_PATH_ACL:          case TYPE_SINGLE_PATH_ACL:
3247                  len = sizeof(struct single_path_acl_record);                  len = sizeof(struct ccs_single_path_acl_record);
3248                  break;                  break;
3249          case TYPE_DOUBLE_PATH_ACL:          case TYPE_DOUBLE_PATH_ACL:
3250                  len = sizeof(struct double_path_acl_record);                  len = sizeof(struct ccs_double_path_acl_record);
3251                  break;                  break;
3252          case TYPE_ARGV0_ACL:          case TYPE_ARGV0_ACL:
3253                  len = sizeof(struct argv0_acl_record);                  len = sizeof(struct ccs_argv0_acl_record);
3254                  break;                  break;
3255          case TYPE_ENV_ACL:          case TYPE_ENV_ACL:
3256                  len = sizeof(struct env_acl_record);                  len = sizeof(struct ccs_env_acl_record);
3257                  break;                  break;
3258          case TYPE_CAPABILITY_ACL:          case TYPE_CAPABILITY_ACL:
3259                  len = sizeof(struct capability_acl_record);                  len = sizeof(struct ccs_capability_acl_record);
3260                  break;                  break;
3261          case TYPE_IP_NETWORK_ACL:          case TYPE_IP_NETWORK_ACL:
3262                  len = sizeof(struct ip_network_acl_record);                  len = sizeof(struct ccs_ip_network_acl_record);
3263                  break;                  break;
3264          case TYPE_SIGNAL_ACL:          case TYPE_SIGNAL_ACL:
3265                  len = sizeof(struct signal_acl_record);                  len = sizeof(struct ccs_signal_acl_record);
3266                  break;                  break;
3267          case TYPE_EXECUTE_HANDLER:          case TYPE_EXECUTE_HANDLER:
3268          case TYPE_DENIED_EXECUTE_HANDLER:          case TYPE_DENIED_EXECUTE_HANDLER:
3269                  len = sizeof(struct execute_handler_record);                  len = sizeof(struct ccs_execute_handler_record);
3270                  break;                  break;
3271          default:          default:
3272                  return NULL;                  return NULL;
3273          }          }
3274          /*          /*
3275           * If the ACL doesn't have condition part, reduce memory usage           * If the ACL doesn't have condition part, reduce memory usage
3276           * by eliminating sizeof(struct condition_list *).           * by eliminating sizeof(struct ccs_condition_list *).
3277           */           */
3278          if (!condition)          if (!condition)
3279                  len -= sizeof(ptr->access_me_via_ccs_get_condition_part);                  len -= sizeof(ptr->access_me_via_ccs_get_condition_part);
# Line 3274  void *ccs_alloc_acl_element(const u8 acl Line 3286  void *ccs_alloc_acl_element(const u8 acl
3286                  return ptr;                  return ptr;
3287          }          }
3288          /*          /*
3289           * Substract sizeof(struct condition_list *) because I eliminated           * Substract sizeof(struct ccs_condition_list *) because I eliminated
3290           * sizeof(struct condition_list *) from "struct acl_info"           * sizeof(struct ccs_condition_list *) from "struct ccs_acl_info"
3291           * but I must return the start address of "struct acl_info".           * but I must return the start address of "struct ccs_acl_info".
3292           */           */
3293          ptr = (void *) (((u8 *) ptr)          ptr = (void *) (((u8 *) ptr)
3294                          - sizeof(ptr->access_me_via_ccs_get_condition_part));                          - sizeof(ptr->access_me_via_ccs_get_condition_part));
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