| 1 |
kumaneko |
1066 |
/* |
| 2 |
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* tomoyo_file_test.c |
| 3 |
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* |
| 4 |
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* Testing program for fs/tomoyo_file.c |
| 5 |
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* |
| 6 |
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* Copyright (C) 2005-2008 NTT DATA CORPORATION |
| 7 |
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* |
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* Version: 1.6.0-rc 2008/03/28 |
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* |
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*/ |
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#include "include.h" |
| 12 |
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| 13 |
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static int profile_fd = EOF; |
| 14 |
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static int domain_fd = EOF; |
| 15 |
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static const char *policy = ""; |
| 16 |
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static char self_domain[4096] = ""; |
| 17 |
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| 18 |
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static int write_policy(void) { |
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FILE *fp; |
| 20 |
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char buffer[8192]; |
| 21 |
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char *cp; |
| 22 |
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int domain_found = 0; |
| 23 |
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int policy_found = 0; |
| 24 |
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memset(buffer, 0, sizeof(buffer)); |
| 25 |
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cp = "255-MAC_FOR_FILE=disabled\n"; |
| 26 |
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write(profile_fd, cp, strlen(cp)); |
| 27 |
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fp = fopen(proc_policy_domain_policy, "r"); |
| 28 |
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cp = "255-MAC_FOR_FILE=enforcing\n"; |
| 29 |
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write(profile_fd, cp, strlen(cp)); |
| 30 |
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write(domain_fd, policy, strlen(policy)); |
| 31 |
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write(domain_fd, "\n", 1); |
| 32 |
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if (!fp) { |
| 33 |
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printf("%s : BUG: policy read failed\n", policy); |
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return 0; |
| 35 |
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} |
| 36 |
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while (fgets(buffer, sizeof(buffer) - 1, fp)) { |
| 37 |
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cp = strchr(buffer, '\n'); |
| 38 |
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if (cp) *cp = '\0'; |
| 39 |
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if (!strncmp(buffer, "<kernel>", 8)) domain_found = !strcmp(self_domain, buffer); |
| 40 |
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if (domain_found) { |
| 41 |
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//printf("<%s>\n", buffer); |
| 42 |
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if (!strcmp(buffer, policy)) { |
| 43 |
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policy_found = 1; |
| 44 |
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break; |
| 45 |
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} |
| 46 |
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} |
| 47 |
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} |
| 48 |
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fclose(fp); |
| 49 |
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if (!policy_found) { |
| 50 |
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printf("%s : BUG: policy write failed\n", policy); |
| 51 |
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return 0; |
| 52 |
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} |
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errno = 0; |
| 54 |
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return 1; |
| 55 |
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} |
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| 57 |
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static void delete_policy(void) { |
| 58 |
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write(domain_fd, "delete ", 7); |
| 59 |
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write(domain_fd, policy, strlen(policy)); |
| 60 |
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write(domain_fd, "\n", 1); |
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} |
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static void show_result(int result, char should_success) { |
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int err = errno; |
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printf("%s : ", policy); |
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if (should_success) { |
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if (result != EOF) printf("OK\n"); |
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else printf("FAILED: %s\n", strerror(err)); |
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} else { |
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if (result == EOF) { |
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if (err == EPERM) printf("OK: Permission denied.\n"); |
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else printf("FAILED: %s\n", strerror(err)); |
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} else { |
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printf("BUG: didn't fail.\n"); |
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} |
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} |
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} |
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static void create2(const char *pathname) { |
| 80 |
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const char *cp = "255-MAC_FOR_FILE=disabled\n"; |
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write(profile_fd, cp, strlen(cp)); |
| 82 |
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close(creat(pathname, 0600)); |
| 83 |
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cp = "255-MAC_FOR_FILE=enforcing\n"; |
| 84 |
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write(profile_fd, cp, strlen(cp)); |
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} |
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static void mkdir2(const char *pathname) { |
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const char *cp = "255-MAC_FOR_FILE=disabled\n"; |
| 89 |
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write(profile_fd, cp, strlen(cp)); |
| 90 |
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mkdir(pathname, 0600); |
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cp = "255-MAC_FOR_FILE=enforcing\n"; |
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write(profile_fd, cp, strlen(cp)); |
| 93 |
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} |
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static void unlink2(const char *pathname) { |
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const char *cp = "255-MAC_FOR_FILE=disabled\n"; |
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write(profile_fd, cp, strlen(cp)); |
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unlink(pathname); |
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cp = "255-MAC_FOR_FILE=enforcing\n"; |
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write(profile_fd, cp, strlen(cp)); |
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} |
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static void rmdir2(const char *pathname) { |
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const char *cp = "255-MAC_FOR_FILE=disabled\n"; |
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write(profile_fd, cp, strlen(cp)); |
| 106 |
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rmdir(pathname); |
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cp = "255-MAC_FOR_FILE=enforcing\n"; |
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write(profile_fd, cp, strlen(cp)); |
| 109 |
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} |
| 110 |
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| 111 |
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static void StageFileTest(void) { |
| 112 |
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char *filename = ""; |
| 113 |
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policy = "allow_read /proc/sys/net/ipv4/ip_local_port_range"; |
| 114 |
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if (write_policy()) { |
| 115 |
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static int name[] = { CTL_NET, NET_IPV4, NET_IPV4_LOCAL_PORT_RANGE }; |
| 116 |
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int buffer[2] = { 32768, 61000 }; |
| 117 |
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size_t size = sizeof(buffer); |
| 118 |
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show_result(sysctl(name, 3, buffer, &size, 0, 0), 1); |
| 119 |
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delete_policy(); |
| 120 |
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show_result(sysctl(name, 3, buffer, &size, 0, 0), 0); |
| 121 |
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} |
| 122 |
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policy = "allow_write /proc/sys/net/ipv4/ip_local_port_range"; |
| 123 |
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if (write_policy()) { |
| 124 |
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static int name[] = { CTL_NET, NET_IPV4, NET_IPV4_LOCAL_PORT_RANGE }; |
| 125 |
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int buffer[2] = { 32768, 61000 }; |
| 126 |
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size_t size = sizeof(buffer); |
| 127 |
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show_result(sysctl(name, 3, 0, 0, buffer, size), 1); |
| 128 |
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delete_policy(); |
| 129 |
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show_result(sysctl(name, 3, 0, 0, buffer, size), 0); |
| 130 |
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} |
| 131 |
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policy = "allow_read/write /proc/sys/net/ipv4/ip_local_port_range"; |
| 132 |
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if (write_policy()) { |
| 133 |
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static int name[] = { CTL_NET, NET_IPV4, NET_IPV4_LOCAL_PORT_RANGE }; |
| 134 |
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int buffer[2] = { 32768, 61000 }; |
| 135 |
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size_t size = sizeof(buffer); |
| 136 |
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show_result(sysctl(name, 3, buffer, &size, buffer, size), 1); |
| 137 |
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delete_policy(); |
| 138 |
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show_result(sysctl(name, 3, buffer, &size, buffer, size), 0); |
| 139 |
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} |
| 140 |
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| 141 |
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policy = "allow_read /bin/true"; |
| 142 |
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if (write_policy()) { |
| 143 |
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show_result(uselib("/bin/true"), 1); |
| 144 |
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delete_policy(); |
| 145 |
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show_result(uselib("/bin/true"), 0); |
| 146 |
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} |
| 147 |
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| 148 |
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policy = "allow_execute /bin/true"; |
| 149 |
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if (write_policy()) { |
| 150 |
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int pipe_fd[2] = { EOF, EOF }; |
| 151 |
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int err = 0; |
| 152 |
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fflush(stdout); fflush(stderr); |
| 153 |
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pipe(pipe_fd); |
| 154 |
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if (fork() == 0) { |
| 155 |
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execl("/bin/true", "/bin/true", NULL); |
| 156 |
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err = errno; |
| 157 |
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write(pipe_fd[1], &err, sizeof(err)); |
| 158 |
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_exit(0); |
| 159 |
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} |
| 160 |
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close(pipe_fd[1]); |
| 161 |
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read(pipe_fd[0], &err, sizeof(err)); |
| 162 |
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close(pipe_fd[0]); |
| 163 |
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wait(NULL); |
| 164 |
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errno = err; |
| 165 |
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show_result(err ? EOF : 0, 1); |
| 166 |
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delete_policy(); |
| 167 |
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fflush(stdout); fflush(stderr); |
| 168 |
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pipe(pipe_fd); |
| 169 |
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if (fork() == 0) { |
| 170 |
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execl("/bin/true", "/bin/true", NULL); |
| 171 |
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err = errno; |
| 172 |
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write(pipe_fd[1], &err, sizeof(err)); |
| 173 |
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_exit(0); |
| 174 |
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} |
| 175 |
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close(pipe_fd[1]); |
| 176 |
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read(pipe_fd[0], &err, sizeof(err)); |
| 177 |
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close(pipe_fd[0]); |
| 178 |
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wait(NULL); |
| 179 |
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errno = err; |
| 180 |
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show_result(err ? EOF : 0, 0); |
| 181 |
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} |
| 182 |
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| 183 |
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policy = "allow_read /dev/null"; |
| 184 |
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if (write_policy()) { |
| 185 |
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int fd = open("/dev/null", O_RDONLY); |
| 186 |
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show_result(fd, 1); |
| 187 |
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if (fd != EOF) close(fd); |
| 188 |
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delete_policy(); |
| 189 |
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fd = open("/dev/null", O_RDONLY); |
| 190 |
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show_result(fd, 0); |
| 191 |
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if (fd != EOF) close(fd); |
| 192 |
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} |
| 193 |
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| 194 |
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policy = "allow_write /dev/null"; |
| 195 |
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if (write_policy()) { |
| 196 |
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int fd = open("/dev/null", O_WRONLY); |
| 197 |
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show_result(fd, 1); |
| 198 |
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if (fd != EOF) close(fd); |
| 199 |
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delete_policy(); |
| 200 |
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fd = open("/dev/null", O_WRONLY); |
| 201 |
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show_result(fd, 0); |
| 202 |
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if (fd != EOF) close(fd); |
| 203 |
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} |
| 204 |
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| 205 |
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policy = "allow_read/write /dev/null"; |
| 206 |
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if (write_policy()) { |
| 207 |
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int fd = open("/dev/null", O_RDWR); |
| 208 |
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show_result(fd, 1); |
| 209 |
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if (fd != EOF) close(fd); |
| 210 |
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delete_policy(); |
| 211 |
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fd = open("/dev/null", O_RDWR); |
| 212 |
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show_result(fd, 0); |
| 213 |
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if (fd != EOF) close(fd); |
| 214 |
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} |
| 215 |
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| 216 |
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policy = "allow_create /tmp/open_test"; |
| 217 |
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if (write_policy()) { |
| 218 |
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policy = "allow_write /tmp/open_test"; |
| 219 |
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if (write_policy()) { |
| 220 |
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int fd = open("/tmp/open_test", O_WRONLY | O_CREAT | O_EXCL, 0666); |
| 221 |
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show_result(fd, 1); |
| 222 |
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if (fd != EOF) close(fd); |
| 223 |
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unlink2("/tmp/open_test"); |
| 224 |
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delete_policy(); |
| 225 |
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fd = open("/tmp/open_test", O_WRONLY | O_CREAT | O_EXCL, 0666); |
| 226 |
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show_result(fd, 0); |
| 227 |
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if (fd != EOF) close(fd); |
| 228 |
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unlink2("/tmp/open_test"); |
| 229 |
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} |
| 230 |
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policy = "allow_create /tmp/open_test\n"; |
| 231 |
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delete_policy(); |
| 232 |
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} |
| 233 |
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| 234 |
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policy = "allow_write /tmp/open_test"; |
| 235 |
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if (write_policy()) { |
| 236 |
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policy = "allow_create /tmp/open_test"; |
| 237 |
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if (write_policy()) { |
| 238 |
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int fd = open("/tmp/open_test", O_WRONLY | O_CREAT | O_EXCL, 0666); |
| 239 |
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show_result(fd, 1); |
| 240 |
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if (fd != EOF) close(fd); |
| 241 |
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unlink2("/tmp/open_test"); |
| 242 |
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delete_policy(); |
| 243 |
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fd = open("/tmp/open_test", O_WRONLY | O_CREAT | O_EXCL, 0666); |
| 244 |
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show_result(fd, 0); |
| 245 |
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if (fd != EOF) close(fd); |
| 246 |
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unlink2("/tmp/open_test"); |
| 247 |
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} |
| 248 |
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policy = "allow_write /tmp/open_test\n"; |
| 249 |
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delete_policy(); |
| 250 |
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} |
| 251 |
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| 252 |
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filename = "/tmp/truncate_test"; |
| 253 |
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create2(filename); |
| 254 |
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| 255 |
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policy = "allow_truncate /tmp/truncate_test"; |
| 256 |
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if (write_policy()) { |
| 257 |
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policy = "allow_write /tmp/truncate_test"; |
| 258 |
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if (write_policy()) { |
| 259 |
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int fd = open(filename, O_WRONLY | O_TRUNC); |
| 260 |
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show_result(fd, 1); |
| 261 |
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if (fd != EOF) close(fd); |
| 262 |
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delete_policy(); |
| 263 |
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fd = open(filename, O_WRONLY | O_TRUNC); |
| 264 |
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show_result(fd, 0); |
| 265 |
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if (fd != EOF) close(fd); |
| 266 |
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} |
| 267 |
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policy = "allow_truncate /tmp/truncate_test"; |
| 268 |
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delete_policy(); |
| 269 |
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} |
| 270 |
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| 271 |
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policy = "allow_write /tmp/truncate_test"; |
| 272 |
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if (write_policy()) { |
| 273 |
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policy = "allow_truncate /tmp/truncate_test"; |
| 274 |
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if (write_policy()) { |
| 275 |
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int fd = open(filename, O_WRONLY | O_TRUNC); |
| 276 |
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show_result(fd, 1); |
| 277 |
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if (fd != EOF) close(fd); |
| 278 |
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delete_policy(); |
| 279 |
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fd = open(filename, O_WRONLY | O_TRUNC); |
| 280 |
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show_result(fd, 0); |
| 281 |
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if (fd != EOF) close(fd); |
| 282 |
|
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} |
| 283 |
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policy = "allow_write /tmp/truncate_test\n"; |
| 284 |
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delete_policy(); |
| 285 |
|
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} |
| 286 |
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| 287 |
|
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policy = "allow_truncate /tmp/truncate_test"; |
| 288 |
|
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if (write_policy()) { |
| 289 |
|
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show_result(truncate(filename, 0), 1); |
| 290 |
|
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delete_policy(); |
| 291 |
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show_result(truncate(filename, 0), 0); |
| 292 |
|
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} |
| 293 |
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| 294 |
|
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policy = "allow_truncate /tmp/truncate_test"; |
| 295 |
|
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if (write_policy()) { |
| 296 |
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int fd; |
| 297 |
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const char *cp = "255-MAC_FOR_FILE=disabled\n"; |
| 298 |
|
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write(profile_fd, cp, strlen(cp)); |
| 299 |
|
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fd = open(filename, O_WRONLY); |
| 300 |
|
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cp = "255-MAC_FOR_FILE=enforcing\n"; |
| 301 |
|
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write(profile_fd, cp, strlen(cp)); |
| 302 |
|
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show_result(ftruncate(fd, 0), 1); |
| 303 |
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delete_policy(); |
| 304 |
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show_result(ftruncate(fd, 0), 0); |
| 305 |
|
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if (fd != EOF) close(fd); |
| 306 |
|
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} |
| 307 |
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| 308 |
|
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unlink2(filename); |
| 309 |
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|
| 310 |
|
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policy = "allow_create /tmp/mknod_reg_test"; |
| 311 |
|
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if (write_policy()) { |
| 312 |
|
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filename = "/tmp/mknod_reg_test"; |
| 313 |
|
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show_result(mknod(filename, S_IFREG, 0), 1); |
| 314 |
|
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delete_policy(); |
| 315 |
|
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unlink2(filename); |
| 316 |
|
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show_result(mknod(filename, S_IFREG, 0), 0); |
| 317 |
|
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} |
| 318 |
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|
| 319 |
|
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policy = "allow_mkchar /tmp/mknod_chr_test"; |
| 320 |
|
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if (write_policy()) { |
| 321 |
|
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filename = "/tmp/mknod_chr_test"; |
| 322 |
|
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show_result(mknod(filename, S_IFCHR, MKDEV(1, 3)), 1); |
| 323 |
|
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delete_policy(); |
| 324 |
|
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unlink2(filename); |
| 325 |
|
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show_result(mknod(filename, S_IFCHR, MKDEV(1, 3)), 0); |
| 326 |
|
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} |
| 327 |
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|
| 328 |
|
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policy = "allow_mkblock /tmp/mknod_blk_test"; |
| 329 |
|
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if (write_policy()) { |
| 330 |
|
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filename = "/tmp/mknod_blk_test"; |
| 331 |
|
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show_result(mknod(filename, S_IFBLK, MKDEV(1, 0)), 1); |
| 332 |
|
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delete_policy(); |
| 333 |
|
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unlink2(filename); |
| 334 |
|
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show_result(mknod(filename, S_IFBLK, MKDEV(1, 0)), 0); |
| 335 |
|
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} |
| 336 |
|
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|
| 337 |
|
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policy = "allow_mkfifo /tmp/mknod_fifo_test"; |
| 338 |
|
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if (write_policy()) { |
| 339 |
|
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filename = "/tmp/mknod_fifo_test"; |
| 340 |
|
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show_result(mknod(filename, S_IFIFO, 0), 1); |
| 341 |
|
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delete_policy(); |
| 342 |
|
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unlink2(filename); |
| 343 |
|
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show_result(mknod(filename, S_IFIFO, 0), 0); |
| 344 |
|
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} |
| 345 |
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|
| 346 |
|
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policy = "allow_mksock /tmp/mknod_sock_test"; |
| 347 |
|
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if (write_policy()) { |
| 348 |
|
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filename = "/tmp/mknod_sock_test"; |
| 349 |
|
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show_result(mknod(filename, S_IFSOCK, 0), 1); |
| 350 |
|
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delete_policy(); |
| 351 |
|
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unlink2(filename); |
| 352 |
|
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show_result(mknod(filename, S_IFSOCK, 0), 0); |
| 353 |
|
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} |
| 354 |
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|
| 355 |
|
|
policy = "allow_mkdir /tmp/mkdir_test/"; |
| 356 |
|
|
if (write_policy()) { |
| 357 |
|
|
filename = "/tmp/mkdir_test"; |
| 358 |
|
|
show_result(mkdir(filename, 0600), 1); |
| 359 |
|
|
delete_policy(); |
| 360 |
|
|
rmdir2(filename); |
| 361 |
|
|
show_result(mkdir(filename, 0600), 0); |
| 362 |
|
|
} |
| 363 |
|
|
|
| 364 |
|
|
policy = "allow_rmdir /tmp/rmdir_test/"; |
| 365 |
|
|
if (write_policy()) { |
| 366 |
|
|
filename = "/tmp/rmdir_test"; |
| 367 |
|
|
mkdir2(filename); |
| 368 |
|
|
show_result(rmdir(filename), 1); |
| 369 |
|
|
delete_policy(); |
| 370 |
|
|
mkdir2(filename); |
| 371 |
|
|
show_result(rmdir(filename), 0); |
| 372 |
|
|
rmdir2(filename); |
| 373 |
|
|
} |
| 374 |
|
|
|
| 375 |
|
|
policy = "allow_unlink /tmp/unlink_test"; |
| 376 |
|
|
if (write_policy()) { |
| 377 |
|
|
filename = "/tmp/unlink_test"; |
| 378 |
|
|
create2(filename); |
| 379 |
|
|
show_result(unlink(filename), 1); |
| 380 |
|
|
delete_policy(); |
| 381 |
|
|
create2(filename); |
| 382 |
|
|
show_result(unlink(filename), 0); |
| 383 |
|
|
unlink2(filename); |
| 384 |
|
|
} |
| 385 |
|
|
|
| 386 |
|
|
policy = "allow_symlink /tmp/symlink_source_test"; |
| 387 |
|
|
if (write_policy()) { |
| 388 |
|
|
filename = "/tmp/symlink_source_test"; |
| 389 |
|
|
show_result(symlink("/tmp/symlink_dest_test", filename), 1); |
| 390 |
|
|
delete_policy(); |
| 391 |
|
|
unlink2(filename); |
| 392 |
|
|
show_result(symlink("/tmp/symlink_dest_test", filename), 0); |
| 393 |
|
|
} |
| 394 |
|
|
|
| 395 |
|
|
policy = "allow_link /tmp/link_source_test /tmp/link_dest_test"; |
| 396 |
|
|
if (write_policy()) { |
| 397 |
|
|
filename = "/tmp/link_source_test"; |
| 398 |
|
|
create2(filename); |
| 399 |
|
|
show_result(link(filename, "/tmp/link_dest_test"), 1); |
| 400 |
|
|
delete_policy(); |
| 401 |
|
|
unlink2("/tmp/link_dest_test"); |
| 402 |
|
|
show_result(link(filename, "/tmp/link_dest_test"), 0); |
| 403 |
|
|
unlink2(filename); |
| 404 |
|
|
} |
| 405 |
|
|
|
| 406 |
|
|
policy = "allow_rename /tmp/rename_source_test /tmp/rename_dest_test"; |
| 407 |
|
|
if (write_policy()) { |
| 408 |
|
|
filename = "/tmp/rename_source_test"; |
| 409 |
|
|
create2(filename); |
| 410 |
|
|
show_result(rename(filename, "/tmp/rename_dest_test"), 1); |
| 411 |
|
|
delete_policy(); |
| 412 |
|
|
unlink2("/tmp/rename_dest_test"); |
| 413 |
|
|
create2(filename); |
| 414 |
|
|
show_result(rename(filename, "/tmp/rename_dest_test"), 0); |
| 415 |
|
|
unlink2(filename); |
| 416 |
|
|
} |
| 417 |
|
|
|
| 418 |
|
|
policy = "allow_mksock /tmp/socket_test"; |
| 419 |
|
|
if (write_policy()) { |
| 420 |
|
|
struct sockaddr_un addr; |
| 421 |
|
|
int fd; |
| 422 |
|
|
filename = "/tmp/socket_test"; |
| 423 |
|
|
memset(&addr, 0, sizeof(addr)); |
| 424 |
|
|
addr.sun_family = AF_UNIX; |
| 425 |
|
|
strncpy(addr.sun_path, filename, sizeof(addr.sun_path) - 1); |
| 426 |
|
|
fd = socket(AF_UNIX, SOCK_STREAM, 0); |
| 427 |
|
|
show_result(bind(fd, (struct sockaddr *) &addr, sizeof(addr)), 1); |
| 428 |
|
|
if (fd != EOF) close(fd); |
| 429 |
|
|
delete_policy(); |
| 430 |
|
|
unlink2(filename); |
| 431 |
|
|
fd = socket(AF_UNIX, SOCK_STREAM, 0); |
| 432 |
|
|
show_result(bind(fd, (struct sockaddr *) &addr, sizeof(addr)), 0); |
| 433 |
|
|
if (fd != EOF) close(fd); |
| 434 |
|
|
} |
| 435 |
|
|
} |
| 436 |
|
|
|
| 437 |
|
|
int main(int argc, char *argv[]) { |
| 438 |
|
|
char *cp; |
| 439 |
|
|
Init(); |
| 440 |
|
|
profile_fd = open(proc_policy_profile, O_WRONLY); |
| 441 |
|
|
domain_fd = open(proc_policy_domain_policy, O_WRONLY); |
| 442 |
|
|
{ |
| 443 |
|
|
int self_fd = open(proc_policy_self_domain, O_RDONLY); |
| 444 |
|
|
memset(self_domain, 0, sizeof(self_domain)); |
| 445 |
|
|
read(self_fd, self_domain, sizeof(self_domain) - 1); |
| 446 |
|
|
close(self_fd); |
| 447 |
|
|
write(domain_fd, self_domain, strlen(self_domain)); |
| 448 |
|
|
cp = " /bin/true\n"; |
| 449 |
|
|
write(domain_fd, cp, strlen(cp)); |
| 450 |
|
|
write(domain_fd, self_domain, strlen(self_domain)); |
| 451 |
|
|
write(domain_fd, "\n", 1); |
| 452 |
|
|
cp = "use_profile 255\n"; |
| 453 |
|
|
write(domain_fd, cp, strlen(cp)); |
| 454 |
|
|
} |
| 455 |
|
|
cp = "255-MAX_REJECT_LOG=1024\n"; |
| 456 |
|
|
write(profile_fd, cp, strlen(cp)); |
| 457 |
|
|
StageFileTest(); |
| 458 |
|
|
cp = "use_profile 0\n"; |
| 459 |
|
|
write(domain_fd, cp, strlen(cp)); |
| 460 |
|
|
ClearStatus(); |
| 461 |
|
|
return 0; |
| 462 |
|
|
} |
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