Joshua Brindle | 13cd4c8 | 2008-08-19 15:30:36 -0400 | [diff] [blame] | 1 | |
| 2 | /* |
| 3 | * Author : Stephen Smalley, <sds@epoch.ncsc.mil> |
| 4 | */ |
| 5 | |
| 6 | /* |
| 7 | * Updated: Trusted Computer Solutions, Inc. <dgoeddel@trustedcs.com> |
| 8 | * |
| 9 | * Support for enhanced MLS infrastructure. |
| 10 | * |
| 11 | * Updated: Karl MacMillan <kmacmillan@tresys.com> |
| 12 | * |
| 13 | * Added conditional policy language extensions |
| 14 | * |
| 15 | * Updated: James Morris <jmorris@intercode.com.au> |
| 16 | * |
| 17 | * Added IPv6 support. |
| 18 | * |
| 19 | * Updated: Joshua Brindle <jbrindle@tresys.com> |
| 20 | * Karl MacMillan <kmacmillan@tresys.com> |
| 21 | * Jason Tang <jtang@tresys.com> |
| 22 | * |
| 23 | * Policy Module support. |
| 24 | * |
| 25 | * Copyright (C) 2004-2005 Trusted Computer Solutions, Inc. |
| 26 | * Copyright (C) 2003 - 2005 Tresys Technology, LLC |
| 27 | * Copyright (C) 2003 Red Hat, Inc., James Morris <jmorris@redhat.com> |
| 28 | * This program is free software; you can redistribute it and/or modify |
| 29 | * it under the terms of the GNU General Public License as published by |
| 30 | * the Free Software Foundation, version 2. |
| 31 | */ |
| 32 | |
| 33 | /* FLASK */ |
| 34 | |
| 35 | /* |
| 36 | * checkpolicy |
| 37 | * |
| 38 | * Load and check a policy configuration. |
| 39 | * |
| 40 | * A policy configuration is created in a text format, |
| 41 | * and then compiled into a binary format for use by |
| 42 | * the security server. By default, checkpolicy reads |
| 43 | * the text format. If '-b' is specified, then checkpolicy |
| 44 | * reads the binary format instead. |
| 45 | * |
| 46 | * If '-o output_file' is specified, then checkpolicy |
| 47 | * writes the binary format version of the configuration |
| 48 | * to the specified output file. |
| 49 | * |
| 50 | * If '-d' is specified, then checkpolicy permits the user |
| 51 | * to interactively test the security server functions with |
| 52 | * the loaded policy configuration. |
| 53 | * |
| 54 | * If '-c' is specified, then the supplied parameter is used to |
| 55 | * determine which policy version to use for generating binary |
| 56 | * policy. This is for compatibility with older kernels. If any |
| 57 | * booleans or conditional rules are thrown away a warning is printed. |
| 58 | */ |
| 59 | |
| 60 | #include <getopt.h> |
| 61 | #include <unistd.h> |
| 62 | #include <stdlib.h> |
| 63 | #include <sys/types.h> |
| 64 | #include <sys/stat.h> |
| 65 | #include <sys/socket.h> |
| 66 | #include <netinet/in.h> |
| 67 | #include <arpa/inet.h> |
| 68 | #include <fcntl.h> |
| 69 | #include <stdio.h> |
| 70 | #include <errno.h> |
| 71 | #include <sys/mman.h> |
| 72 | |
Stephen Smalley | da752ca | 2012-02-23 10:14:13 -0500 | [diff] [blame] | 73 | #ifdef DARWIN |
| 74 | #include <ctype.h> |
| 75 | #endif |
| 76 | |
James Carter | b1d9456 | 2015-04-01 10:05:04 -0400 | [diff] [blame^] | 77 | #include <sepol/module_to_cil.h> |
Joshua Brindle | 13cd4c8 | 2008-08-19 15:30:36 -0400 | [diff] [blame] | 78 | #include <sepol/policydb/policydb.h> |
| 79 | #include <sepol/policydb/services.h> |
| 80 | #include <sepol/policydb/conditional.h> |
| 81 | #include <sepol/policydb/hierarchy.h> |
| 82 | #include <sepol/policydb/flask.h> |
| 83 | #include <sepol/policydb/expand.h> |
| 84 | #include <sepol/policydb/link.h> |
| 85 | |
| 86 | #include "queue.h" |
| 87 | #include "checkpolicy.h" |
| 88 | #include "parse_util.h" |
| 89 | |
| 90 | extern char *optarg; |
| 91 | extern int optind; |
| 92 | |
| 93 | static policydb_t policydb; |
| 94 | static sidtab_t sidtab; |
| 95 | |
| 96 | extern policydb_t *policydbp; |
| 97 | extern int mlspol; |
| 98 | |
| 99 | static int handle_unknown = SEPOL_DENY_UNKNOWN; |
Nicolas Iooss | 7dcb7a5 | 2014-09-14 23:41:46 +0200 | [diff] [blame] | 100 | static const char *txtfile = "policy.conf"; |
| 101 | static const char *binfile = "policy"; |
Joshua Brindle | 13cd4c8 | 2008-08-19 15:30:36 -0400 | [diff] [blame] | 102 | |
| 103 | unsigned int policyvers = POLICYDB_VERSION_MAX; |
| 104 | |
| 105 | void usage(char *progname) |
| 106 | { |
| 107 | printf |
James Carter | b1d9456 | 2015-04-01 10:05:04 -0400 | [diff] [blame^] | 108 | ("usage: %s [-b] [-C] [-d] [-U handle_unknown (allow,deny,reject)] [-M]" |
Joshua Brindle | f830d96 | 2009-10-14 15:49:25 -0400 | [diff] [blame] | 109 | "[-c policyvers (%d-%d)] [-o output_file] [-t target_platform (selinux,xen)]" |
Paul Nuzzi | 79d10a8 | 2009-09-29 10:06:26 -0400 | [diff] [blame] | 110 | "[input_file]\n", |
Joshua Brindle | 13cd4c8 | 2008-08-19 15:30:36 -0400 | [diff] [blame] | 111 | progname, POLICYDB_VERSION_MIN, POLICYDB_VERSION_MAX); |
| 112 | exit(1); |
| 113 | } |
| 114 | |
| 115 | #define FGETS(out, size, in) \ |
| 116 | if (fgets(out,size,in)==NULL) { \ |
| 117 | fprintf(stderr, "fgets failed at line %d: %s\n", __LINE__,\ |
| 118 | strerror(errno)); \ |
| 119 | exit(1);\ |
| 120 | } |
| 121 | static int print_sid(sepol_security_id_t sid, |
| 122 | context_struct_t * context |
| 123 | __attribute__ ((unused)), void *data |
| 124 | __attribute__ ((unused))) |
| 125 | { |
| 126 | sepol_security_context_t scontext; |
| 127 | size_t scontext_len; |
| 128 | int rc; |
| 129 | |
| 130 | rc = sepol_sid_to_context(sid, &scontext, &scontext_len); |
| 131 | if (rc) |
| 132 | printf("sid %d -> error %d\n", sid, rc); |
| 133 | else { |
| 134 | printf("sid %d -> scontext %s\n", sid, scontext); |
| 135 | free(scontext); |
| 136 | } |
| 137 | return 0; |
| 138 | } |
| 139 | |
| 140 | struct val_to_name { |
| 141 | unsigned int val; |
| 142 | char *name; |
| 143 | }; |
| 144 | |
| 145 | static int find_perm(hashtab_key_t key, hashtab_datum_t datum, void *p) |
| 146 | { |
| 147 | struct val_to_name *v = p; |
| 148 | perm_datum_t *perdatum; |
| 149 | |
| 150 | perdatum = (perm_datum_t *) datum; |
| 151 | |
| 152 | if (v->val == perdatum->s.value) { |
| 153 | v->name = key; |
| 154 | return 1; |
| 155 | } |
| 156 | |
| 157 | return 0; |
| 158 | } |
| 159 | |
| 160 | #ifdef EQUIVTYPES |
| 161 | static int insert_type_rule(avtab_key_t * k, avtab_datum_t * d, |
| 162 | struct avtab_node *type_rules) |
| 163 | { |
| 164 | struct avtab_node *p, *c, *n; |
| 165 | |
| 166 | for (p = type_rules, c = type_rules->next; c; p = c, c = c->next) { |
| 167 | /* |
| 168 | * Find the insertion point, keeping the list |
| 169 | * ordered by source type, then target type, then |
| 170 | * target class. |
| 171 | */ |
| 172 | if (k->source_type < c->key.source_type) |
| 173 | break; |
| 174 | if (k->source_type == c->key.source_type && |
| 175 | k->target_type < c->key.target_type) |
| 176 | break; |
| 177 | if (k->source_type == c->key.source_type && |
| 178 | k->target_type == c->key.target_type && |
| 179 | k->target_class < c->key.target_class) |
| 180 | break; |
| 181 | } |
| 182 | |
| 183 | /* Insert the rule */ |
| 184 | n = malloc(sizeof(struct avtab_node)); |
| 185 | if (!n) { |
| 186 | fprintf(stderr, "out of memory\n"); |
| 187 | exit(1); |
| 188 | } |
| 189 | |
| 190 | n->key = *k; |
| 191 | n->datum = *d; |
| 192 | n->next = p->next; |
| 193 | p->next = n; |
| 194 | return 0; |
| 195 | } |
| 196 | |
| 197 | static int create_type_rules(avtab_key_t * k, avtab_datum_t * d, void *args) |
| 198 | { |
| 199 | struct avtab_node *type_rules = args; |
| 200 | |
| 201 | if (d->specified & AVTAB_ALLOWED) { |
| 202 | /* |
| 203 | * Insert the rule into the lists for both |
| 204 | * the source type and the target type. |
| 205 | */ |
| 206 | if (insert_type_rule(k, d, &type_rules[k->source_type - 1])) |
| 207 | return -1; |
| 208 | if (insert_type_rule(k, d, &type_rules[k->target_type - 1])) |
| 209 | return -1; |
| 210 | } |
| 211 | |
| 212 | return 0; |
| 213 | } |
| 214 | |
| 215 | static void free_type_rules(struct avtab_node *l) |
| 216 | { |
| 217 | struct avtab_node *tmp; |
| 218 | |
| 219 | while (l) { |
| 220 | tmp = l; |
| 221 | l = l->next; |
| 222 | free(tmp); |
| 223 | } |
| 224 | } |
| 225 | |
| 226 | static int identify_equiv_types(void) |
| 227 | { |
| 228 | struct avtab_node *type_rules, *l1, *l2; |
| 229 | int i, j; |
| 230 | |
| 231 | /* |
| 232 | * Create a list of access vector rules for each type |
| 233 | * from the access vector table. |
| 234 | */ |
| 235 | type_rules = malloc(sizeof(struct avtab_node) * policydb.p_types.nprim); |
| 236 | if (!type_rules) { |
| 237 | fprintf(stderr, "out of memory\n"); |
| 238 | exit(1); |
| 239 | } |
| 240 | memset(type_rules, 0, |
| 241 | sizeof(struct avtab_node) * policydb.p_types.nprim); |
| 242 | if (avtab_map(&policydb.te_avtab, create_type_rules, type_rules)) |
| 243 | exit(1); |
| 244 | |
| 245 | /* |
| 246 | * Compare the type lists and identify equivalent types. |
| 247 | */ |
| 248 | for (i = 0; i < policydb.p_types.nprim - 1; i++) { |
| 249 | if (!type_rules[i].next) |
| 250 | continue; |
| 251 | for (j = i + 1; j < policydb.p_types.nprim; j++) { |
| 252 | for (l1 = type_rules[i].next, l2 = type_rules[j].next; |
| 253 | l1 && l2; l1 = l1->next, l2 = l2->next) { |
| 254 | if (l2->key.source_type == (j + 1)) { |
| 255 | if (l1->key.source_type != (i + 1)) |
| 256 | break; |
| 257 | } else { |
| 258 | if (l1->key.source_type != |
| 259 | l2->key.source_type) |
| 260 | break; |
| 261 | } |
| 262 | if (l2->key.target_type == (j + 1)) { |
| 263 | if (l1->key.target_type != (i + 1)) |
| 264 | break; |
| 265 | } else { |
| 266 | if (l1->key.target_type != |
| 267 | l2->key.target_type) |
| 268 | break; |
| 269 | } |
| 270 | if (l1->key.target_class != l2->key.target_class |
| 271 | || l1->datum.allowed != l2->datum.allowed) |
| 272 | break; |
| 273 | } |
| 274 | if (l1 || l2) |
| 275 | continue; |
| 276 | free_type_rules(type_rules[j].next); |
| 277 | type_rules[j].next = NULL; |
| 278 | printf("Types %s and %s are equivalent.\n", |
| 279 | policydb.p_type_val_to_name[i], |
| 280 | policydb.p_type_val_to_name[j]); |
| 281 | } |
| 282 | free_type_rules(type_rules[i].next); |
| 283 | type_rules[i].next = NULL; |
| 284 | } |
| 285 | |
| 286 | free(type_rules); |
| 287 | return 0; |
| 288 | } |
| 289 | #endif |
| 290 | |
| 291 | extern char *av_to_string(uint32_t tclass, sepol_access_vector_t av); |
| 292 | |
Nicolas Iooss | c4a4a1a | 2014-09-14 23:41:49 +0200 | [diff] [blame] | 293 | int display_bools(void) |
Joshua Brindle | 13cd4c8 | 2008-08-19 15:30:36 -0400 | [diff] [blame] | 294 | { |
Nicolas Iooss | 581d3eb | 2014-09-14 23:41:41 +0200 | [diff] [blame] | 295 | uint32_t i; |
Joshua Brindle | 13cd4c8 | 2008-08-19 15:30:36 -0400 | [diff] [blame] | 296 | |
| 297 | for (i = 0; i < policydbp->p_bools.nprim; i++) { |
| 298 | printf("%s : %d\n", policydbp->p_bool_val_to_name[i], |
| 299 | policydbp->bool_val_to_struct[i]->state); |
| 300 | } |
| 301 | return 0; |
| 302 | } |
| 303 | |
| 304 | void display_expr(cond_expr_t * exp) |
| 305 | { |
| 306 | |
| 307 | cond_expr_t *cur; |
| 308 | for (cur = exp; cur != NULL; cur = cur->next) { |
| 309 | switch (cur->expr_type) { |
| 310 | case COND_BOOL: |
| 311 | printf("%s ", |
| 312 | policydbp->p_bool_val_to_name[cur->bool - 1]); |
| 313 | break; |
| 314 | case COND_NOT: |
| 315 | printf("! "); |
| 316 | break; |
| 317 | case COND_OR: |
| 318 | printf("|| "); |
| 319 | break; |
| 320 | case COND_AND: |
| 321 | printf("&& "); |
| 322 | break; |
| 323 | case COND_XOR: |
| 324 | printf("^ "); |
| 325 | break; |
| 326 | case COND_EQ: |
| 327 | printf("== "); |
| 328 | break; |
| 329 | case COND_NEQ: |
| 330 | printf("!= "); |
| 331 | break; |
| 332 | default: |
| 333 | printf("error!"); |
| 334 | break; |
| 335 | } |
| 336 | } |
| 337 | } |
| 338 | |
Nicolas Iooss | c4a4a1a | 2014-09-14 23:41:49 +0200 | [diff] [blame] | 339 | int display_cond_expressions(void) |
Joshua Brindle | 13cd4c8 | 2008-08-19 15:30:36 -0400 | [diff] [blame] | 340 | { |
| 341 | cond_node_t *cur; |
| 342 | |
| 343 | for (cur = policydbp->cond_list; cur != NULL; cur = cur->next) { |
| 344 | printf("expression: "); |
| 345 | display_expr(cur->expr); |
| 346 | printf("current state: %d\n", cur->cur_state); |
| 347 | } |
| 348 | return 0; |
| 349 | } |
| 350 | |
| 351 | int change_bool(char *name, int state) |
| 352 | { |
| 353 | cond_bool_datum_t *bool; |
| 354 | |
| 355 | bool = hashtab_search(policydbp->p_bools.table, name); |
| 356 | if (bool == NULL) { |
| 357 | printf("Could not find bool %s\n", name); |
| 358 | return -1; |
| 359 | } |
| 360 | bool->state = state; |
| 361 | evaluate_conds(policydbp); |
| 362 | return 0; |
| 363 | } |
| 364 | |
Nicolas Iooss | 5af8c5a | 2014-09-14 23:41:50 +0200 | [diff] [blame] | 365 | static int check_level(hashtab_key_t key, hashtab_datum_t datum, void *arg __attribute__ ((unused))) |
Joshua Brindle | 13cd4c8 | 2008-08-19 15:30:36 -0400 | [diff] [blame] | 366 | { |
| 367 | level_datum_t *levdatum = (level_datum_t *) datum; |
| 368 | |
| 369 | if (!levdatum->isalias && !levdatum->defined) { |
| 370 | fprintf(stderr, |
| 371 | "Error: sensitivity %s was not used in a level definition!\n", |
| 372 | key); |
| 373 | return -1; |
| 374 | } |
| 375 | return 0; |
| 376 | } |
| 377 | |
| 378 | int main(int argc, char **argv) |
| 379 | { |
James Carter | b1d9456 | 2015-04-01 10:05:04 -0400 | [diff] [blame^] | 380 | policydb_t parse_policy; |
Joshua Brindle | 13cd4c8 | 2008-08-19 15:30:36 -0400 | [diff] [blame] | 381 | sepol_security_class_t tclass; |
Richard Haines | ab9cbb1 | 2013-11-03 19:12:29 +0000 | [diff] [blame] | 382 | sepol_security_id_t ssid, tsid, *sids, oldsid, newsid, tasksid; |
Joshua Brindle | 13cd4c8 | 2008-08-19 15:30:36 -0400 | [diff] [blame] | 383 | sepol_security_context_t scontext; |
| 384 | struct sepol_av_decision avd; |
| 385 | class_datum_t *cladatum; |
Nicolas Iooss | 7dcb7a5 | 2014-09-14 23:41:46 +0200 | [diff] [blame] | 386 | const char *file = txtfile; |
| 387 | char ans[80 + 1], *outfile = NULL, *path, *fstype; |
Joshua Brindle | 13cd4c8 | 2008-08-19 15:30:36 -0400 | [diff] [blame] | 388 | size_t scontext_len, pathlen; |
| 389 | unsigned int i; |
| 390 | unsigned int protocol, port; |
James Carter | b1d9456 | 2015-04-01 10:05:04 -0400 | [diff] [blame^] | 391 | unsigned int binary = 0, debug = 0, cil = 0; |
Joshua Brindle | 13cd4c8 | 2008-08-19 15:30:36 -0400 | [diff] [blame] | 392 | struct val_to_name v; |
Paul Nuzzi | 79d10a8 | 2009-09-29 10:06:26 -0400 | [diff] [blame] | 393 | int ret, ch, fd, target = SEPOL_TARGET_SELINUX; |
Joshua Brindle | 13cd4c8 | 2008-08-19 15:30:36 -0400 | [diff] [blame] | 394 | unsigned int nel, uret; |
| 395 | struct stat sb; |
| 396 | void *map; |
| 397 | FILE *outfp = NULL; |
| 398 | char *name; |
| 399 | int state; |
| 400 | int show_version = 0; |
Richard Haines | ab9cbb1 | 2013-11-03 19:12:29 +0000 | [diff] [blame] | 401 | char *reason_buf = NULL; |
| 402 | unsigned int reason; |
| 403 | int flags; |
Joshua Brindle | 13cd4c8 | 2008-08-19 15:30:36 -0400 | [diff] [blame] | 404 | struct policy_file pf; |
Guido Trentalancia | bf57d23 | 2009-11-02 18:14:28 +0100 | [diff] [blame] | 405 | struct option long_options[] = { |
| 406 | {"output", required_argument, NULL, 'o'}, |
| 407 | {"target", required_argument, NULL, 't'}, |
| 408 | {"binary", no_argument, NULL, 'b'}, |
| 409 | {"debug", no_argument, NULL, 'd'}, |
| 410 | {"version", no_argument, NULL, 'V'}, |
Laurent Bigonville | f6a03f1 | 2013-07-06 14:32:33 +0200 | [diff] [blame] | 411 | {"handle-unknown", required_argument, NULL, 'U'}, |
Guido Trentalancia | bf57d23 | 2009-11-02 18:14:28 +0100 | [diff] [blame] | 412 | {"mls", no_argument, NULL, 'M'}, |
James Carter | b1d9456 | 2015-04-01 10:05:04 -0400 | [diff] [blame^] | 413 | {"cil", no_argument, NULL, 'C'}, |
Guido Trentalancia | bf57d23 | 2009-11-02 18:14:28 +0100 | [diff] [blame] | 414 | {"help", no_argument, NULL, 'h'}, |
| 415 | {NULL, 0, NULL, 0} |
| 416 | }; |
Joshua Brindle | 13cd4c8 | 2008-08-19 15:30:36 -0400 | [diff] [blame] | 417 | |
James Carter | b1d9456 | 2015-04-01 10:05:04 -0400 | [diff] [blame^] | 418 | while ((ch = getopt_long(argc, argv, "o:t:dbU:MCVc:h", long_options, NULL)) != -1) { |
Joshua Brindle | 13cd4c8 | 2008-08-19 15:30:36 -0400 | [diff] [blame] | 419 | switch (ch) { |
| 420 | case 'o': |
| 421 | outfile = optarg; |
| 422 | break; |
Paul Nuzzi | 79d10a8 | 2009-09-29 10:06:26 -0400 | [diff] [blame] | 423 | case 't': |
| 424 | if (!strcasecmp(optarg, "Xen")) |
| 425 | target = SEPOL_TARGET_XEN; |
| 426 | else if (!strcasecmp(optarg, "SELinux")) |
| 427 | target = SEPOL_TARGET_SELINUX; |
| 428 | else{ |
| 429 | fprintf(stderr, "%s: Unknown target platform:" |
| 430 | "%s\n", argv[0], optarg); |
| 431 | exit(1); |
| 432 | } |
| 433 | break; |
Joshua Brindle | 13cd4c8 | 2008-08-19 15:30:36 -0400 | [diff] [blame] | 434 | case 'b': |
| 435 | binary = 1; |
| 436 | file = binfile; |
| 437 | break; |
| 438 | case 'd': |
| 439 | debug = 1; |
| 440 | break; |
| 441 | case 'V': |
| 442 | show_version = 1; |
| 443 | break; |
| 444 | case 'U': |
| 445 | if (!strcasecmp(optarg, "deny")) { |
| 446 | handle_unknown = DENY_UNKNOWN; |
| 447 | break; |
| 448 | } |
| 449 | if (!strcasecmp(optarg, "allow")) { |
| 450 | handle_unknown = ALLOW_UNKNOWN; |
| 451 | break; |
| 452 | } |
| 453 | if (!strcasecmp(optarg, "reject")) { |
| 454 | handle_unknown = REJECT_UNKNOWN; |
| 455 | break; |
| 456 | } |
| 457 | usage(argv[0]); |
| 458 | case 'M': |
| 459 | mlspol = 1; |
| 460 | break; |
James Carter | b1d9456 | 2015-04-01 10:05:04 -0400 | [diff] [blame^] | 461 | case 'C': |
| 462 | cil = 1; |
| 463 | break; |
Joshua Brindle | 13cd4c8 | 2008-08-19 15:30:36 -0400 | [diff] [blame] | 464 | case 'c':{ |
Dan Albert | b1bbd30 | 2014-12-10 11:28:44 -0800 | [diff] [blame] | 465 | long int n; |
| 466 | errno = 0; |
| 467 | n = strtol(optarg, NULL, 10); |
Joshua Brindle | 13cd4c8 | 2008-08-19 15:30:36 -0400 | [diff] [blame] | 468 | if (errno) { |
| 469 | fprintf(stderr, |
| 470 | "Invalid policyvers specified: %s\n", |
| 471 | optarg); |
| 472 | usage(argv[0]); |
| 473 | exit(1); |
| 474 | } |
| 475 | if (n < POLICYDB_VERSION_MIN |
| 476 | || n > POLICYDB_VERSION_MAX) { |
| 477 | fprintf(stderr, |
| 478 | "policyvers value %ld not in range %d-%d\n", |
| 479 | n, POLICYDB_VERSION_MIN, |
| 480 | POLICYDB_VERSION_MAX); |
| 481 | usage(argv[0]); |
| 482 | exit(1); |
| 483 | } |
| 484 | if (policyvers != n) |
| 485 | policyvers = n; |
| 486 | break; |
| 487 | } |
Guido Trentalancia | bf57d23 | 2009-11-02 18:14:28 +0100 | [diff] [blame] | 488 | case 'h': |
Joshua Brindle | 13cd4c8 | 2008-08-19 15:30:36 -0400 | [diff] [blame] | 489 | default: |
| 490 | usage(argv[0]); |
| 491 | } |
| 492 | } |
| 493 | |
| 494 | if (show_version) { |
| 495 | printf("%d (compatibility range %d-%d)\n", policyvers, |
| 496 | POLICYDB_VERSION_MAX, POLICYDB_VERSION_MIN); |
| 497 | exit(0); |
| 498 | } |
| 499 | |
| 500 | if (optind != argc) { |
| 501 | file = argv[optind++]; |
| 502 | if (optind != argc) |
| 503 | usage(argv[0]); |
| 504 | } |
| 505 | printf("%s: loading policy configuration from %s\n", argv[0], file); |
| 506 | |
| 507 | /* Set policydb and sidtab used by libsepol service functions |
| 508 | to my structures, so that I can directly populate and |
| 509 | manipulate them. */ |
| 510 | sepol_set_policydb(&policydb); |
| 511 | sepol_set_sidtab(&sidtab); |
| 512 | |
| 513 | if (binary) { |
James Carter | b1d9456 | 2015-04-01 10:05:04 -0400 | [diff] [blame^] | 514 | if (cil) { |
| 515 | fprintf(stderr, "%s: Converting kernel policy to CIL is not supported\n", |
| 516 | argv[0]); |
| 517 | exit(1); |
| 518 | } |
Joshua Brindle | 13cd4c8 | 2008-08-19 15:30:36 -0400 | [diff] [blame] | 519 | fd = open(file, O_RDONLY); |
| 520 | if (fd < 0) { |
| 521 | fprintf(stderr, "Can't open '%s': %s\n", |
| 522 | file, strerror(errno)); |
| 523 | exit(1); |
| 524 | } |
| 525 | if (fstat(fd, &sb) < 0) { |
| 526 | fprintf(stderr, "Can't stat '%s': %s\n", |
| 527 | file, strerror(errno)); |
| 528 | exit(1); |
| 529 | } |
| 530 | map = |
| 531 | mmap(NULL, sb.st_size, PROT_READ | PROT_WRITE, MAP_PRIVATE, |
| 532 | fd, 0); |
| 533 | if (map == MAP_FAILED) { |
| 534 | fprintf(stderr, "Can't map '%s': %s\n", |
| 535 | file, strerror(errno)); |
| 536 | exit(1); |
| 537 | } |
| 538 | policy_file_init(&pf); |
| 539 | pf.type = PF_USE_MEMORY; |
| 540 | pf.data = map; |
| 541 | pf.len = sb.st_size; |
| 542 | if (policydb_init(&policydb)) { |
| 543 | fprintf(stderr, "%s: policydb_init: Out of memory!\n", |
| 544 | argv[0]); |
| 545 | exit(1); |
| 546 | } |
| 547 | ret = policydb_read(&policydb, &pf, 1); |
| 548 | if (ret) { |
| 549 | fprintf(stderr, |
| 550 | "%s: error(s) encountered while parsing configuration\n", |
| 551 | argv[0]); |
| 552 | exit(1); |
| 553 | } |
| 554 | policydbp = &policydb; |
| 555 | |
| 556 | /* Check Policy Consistency */ |
| 557 | if (policydbp->mls) { |
| 558 | if (!mlspol) { |
| 559 | fprintf(stderr, "%s: MLS policy, but non-MLS" |
| 560 | " is specified\n", argv[0]); |
| 561 | exit(1); |
| 562 | } |
| 563 | } else { |
| 564 | if (mlspol) { |
| 565 | fprintf(stderr, "%s: non-MLS policy, but MLS" |
| 566 | " is specified\n", argv[0]); |
| 567 | exit(1); |
| 568 | } |
| 569 | } |
| 570 | } else { |
Joshua Brindle | 13cd4c8 | 2008-08-19 15:30:36 -0400 | [diff] [blame] | 571 | if (policydb_init(&parse_policy)) |
| 572 | exit(1); |
| 573 | /* We build this as a base policy first since that is all the parser understands */ |
| 574 | parse_policy.policy_type = POLICY_BASE; |
Paul Nuzzi | 79d10a8 | 2009-09-29 10:06:26 -0400 | [diff] [blame] | 575 | policydb_set_target_platform(&parse_policy, target); |
Joshua Brindle | 13cd4c8 | 2008-08-19 15:30:36 -0400 | [diff] [blame] | 576 | |
| 577 | /* Let sepol know if we are dealing with MLS support */ |
| 578 | parse_policy.mls = mlspol; |
| 579 | parse_policy.handle_unknown = handle_unknown; |
| 580 | |
| 581 | policydbp = &parse_policy; |
| 582 | |
| 583 | if (read_source_policy(policydbp, file, "checkpolicy") < 0) |
| 584 | exit(1); |
| 585 | |
| 586 | if (hashtab_map(policydbp->p_levels.table, check_level, NULL)) |
| 587 | exit(1); |
| 588 | |
Joshua Brindle | 13cd4c8 | 2008-08-19 15:30:36 -0400 | [diff] [blame] | 589 | /* Linking takes care of optional avrule blocks */ |
James Carter | b1d9456 | 2015-04-01 10:05:04 -0400 | [diff] [blame^] | 590 | if (link_modules(NULL, policydbp, NULL, 0, 0)) { |
Joshua Brindle | 13cd4c8 | 2008-08-19 15:30:36 -0400 | [diff] [blame] | 591 | fprintf(stderr, "Error while resolving optionals\n"); |
| 592 | exit(1); |
| 593 | } |
| 594 | |
James Carter | b1d9456 | 2015-04-01 10:05:04 -0400 | [diff] [blame^] | 595 | if (!cil) { |
| 596 | if (policydb_init(&policydb)) { |
| 597 | fprintf(stderr, "%s: policydb_init failed\n", argv[0]); |
| 598 | exit(1); |
| 599 | } |
| 600 | if (expand_module(NULL, policydbp, &policydb, 0, 1)) { |
| 601 | fprintf(stderr, "Error while expanding policy\n"); |
| 602 | exit(1); |
| 603 | } |
| 604 | policydb_destroy(policydbp); |
| 605 | policydbp = &policydb; |
Joshua Brindle | 13cd4c8 | 2008-08-19 15:30:36 -0400 | [diff] [blame] | 606 | } |
Joshua Brindle | 13cd4c8 | 2008-08-19 15:30:36 -0400 | [diff] [blame] | 607 | } |
| 608 | |
| 609 | if (policydb_load_isids(&policydb, &sidtab)) |
| 610 | exit(1); |
| 611 | |
| 612 | printf("%s: policy configuration loaded\n", argv[0]); |
| 613 | |
| 614 | if (outfile) { |
Joshua Brindle | 13cd4c8 | 2008-08-19 15:30:36 -0400 | [diff] [blame] | 615 | outfp = fopen(outfile, "w"); |
| 616 | if (!outfp) { |
| 617 | perror(outfile); |
| 618 | exit(1); |
| 619 | } |
| 620 | |
Joshua Brindle | 13cd4c8 | 2008-08-19 15:30:36 -0400 | [diff] [blame] | 621 | policydb.policyvers = policyvers; |
| 622 | |
James Carter | b1d9456 | 2015-04-01 10:05:04 -0400 | [diff] [blame^] | 623 | if (!cil) { |
| 624 | printf |
| 625 | ("%s: writing binary representation (version %d) to %s\n", |
| 626 | argv[0], policyvers, outfile); |
| 627 | policydb.policy_type = POLICY_KERN; |
| 628 | |
| 629 | policy_file_init(&pf); |
| 630 | pf.type = PF_USE_STDIO; |
| 631 | pf.fp = outfp; |
| 632 | ret = policydb_write(&policydb, &pf); |
| 633 | if (ret) { |
| 634 | fprintf(stderr, "%s: error writing %s\n", |
| 635 | argv[0], outfile); |
| 636 | exit(1); |
| 637 | } |
| 638 | } else { |
| 639 | printf("%s: writing CIL to %s\n",argv[0], outfile); |
| 640 | ret = sepol_module_policydb_to_cil(outfp, policydbp, 1); |
| 641 | if (ret) { |
| 642 | fprintf(stderr, "%s: error writing %s\n", argv[0], outfile); |
| 643 | exit(1); |
| 644 | } |
Joshua Brindle | 13cd4c8 | 2008-08-19 15:30:36 -0400 | [diff] [blame] | 645 | } |
James Carter | b1d9456 | 2015-04-01 10:05:04 -0400 | [diff] [blame^] | 646 | |
| 647 | if (outfile) { |
| 648 | fclose(outfp); |
| 649 | } |
| 650 | } else if (cil) { |
| 651 | fprintf(stderr, "%s: No file to write CIL was specified\n", argv[0]); |
| 652 | exit(1); |
Joshua Brindle | 13cd4c8 | 2008-08-19 15:30:36 -0400 | [diff] [blame] | 653 | } |
James Carter | b1d9456 | 2015-04-01 10:05:04 -0400 | [diff] [blame^] | 654 | |
Joshua Brindle | 13cd4c8 | 2008-08-19 15:30:36 -0400 | [diff] [blame] | 655 | if (!debug) { |
| 656 | policydb_destroy(&policydb); |
| 657 | exit(0); |
| 658 | } |
| 659 | |
| 660 | menu: |
| 661 | printf("\nSelect an option:\n"); |
| 662 | printf("0) Call compute_access_vector\n"); |
| 663 | printf("1) Call sid_to_context\n"); |
| 664 | printf("2) Call context_to_sid\n"); |
| 665 | printf("3) Call transition_sid\n"); |
| 666 | printf("4) Call member_sid\n"); |
| 667 | printf("5) Call change_sid\n"); |
| 668 | printf("6) Call list_sids\n"); |
| 669 | printf("7) Call load_policy\n"); |
| 670 | printf("8) Call fs_sid\n"); |
| 671 | printf("9) Call port_sid\n"); |
| 672 | printf("a) Call netif_sid\n"); |
| 673 | printf("b) Call node_sid\n"); |
| 674 | printf("c) Call fs_use\n"); |
| 675 | printf("d) Call genfs_sid\n"); |
| 676 | printf("e) Call get_user_sids\n"); |
| 677 | printf("f) display conditional bools\n"); |
| 678 | printf("g) display conditional expressions\n"); |
| 679 | printf("h) change a boolean value\n"); |
Richard Haines | ab9cbb1 | 2013-11-03 19:12:29 +0000 | [diff] [blame] | 680 | printf("i) display constraint expressions\n"); |
| 681 | printf("j) display validatetrans expressions\n"); |
Joshua Brindle | 13cd4c8 | 2008-08-19 15:30:36 -0400 | [diff] [blame] | 682 | #ifdef EQUIVTYPES |
| 683 | printf("z) Show equivalent types\n"); |
| 684 | #endif |
| 685 | printf("m) Show menu again\n"); |
| 686 | printf("q) Exit\n"); |
| 687 | while (1) { |
| 688 | printf("\nChoose: "); |
| 689 | FGETS(ans, sizeof(ans), stdin); |
| 690 | switch (ans[0]) { |
| 691 | case '0': |
| 692 | printf("source sid? "); |
| 693 | FGETS(ans, sizeof(ans), stdin); |
| 694 | ssid = atoi(ans); |
| 695 | |
| 696 | printf("target sid? "); |
| 697 | FGETS(ans, sizeof(ans), stdin); |
| 698 | tsid = atoi(ans); |
| 699 | |
| 700 | printf("target class? "); |
| 701 | FGETS(ans, sizeof(ans), stdin); |
| 702 | if (isdigit(ans[0])) { |
| 703 | tclass = atoi(ans); |
| 704 | if (!tclass |
| 705 | || tclass > policydb.p_classes.nprim) { |
| 706 | printf("\nNo such class.\n"); |
| 707 | break; |
| 708 | } |
| 709 | cladatum = |
| 710 | policydb.class_val_to_struct[tclass - 1]; |
| 711 | } else { |
| 712 | ans[strlen(ans) - 1] = 0; |
| 713 | cladatum = |
| 714 | (class_datum_t *) hashtab_search(policydb. |
| 715 | p_classes. |
| 716 | table, |
| 717 | ans); |
| 718 | if (!cladatum) { |
| 719 | printf("\nNo such class\n"); |
| 720 | break; |
| 721 | } |
| 722 | tclass = cladatum->s.value; |
| 723 | } |
| 724 | |
| 725 | if (!cladatum->comdatum && !cladatum->permissions.nprim) { |
| 726 | printf |
| 727 | ("\nNo access vector definition for that class\n"); |
| 728 | break; |
| 729 | } |
| 730 | ret = sepol_compute_av(ssid, tsid, tclass, 0, &avd); |
| 731 | switch (ret) { |
| 732 | case 0: |
| 733 | printf("\nallowed {"); |
| 734 | for (i = 1; i <= sizeof(avd.allowed) * 8; i++) { |
| 735 | if (avd.allowed & (1 << (i - 1))) { |
| 736 | v.val = i; |
| 737 | ret = |
| 738 | hashtab_map(cladatum-> |
| 739 | permissions. |
| 740 | table, |
| 741 | find_perm, &v); |
| 742 | if (!ret && cladatum->comdatum) { |
| 743 | ret = |
| 744 | hashtab_map |
| 745 | (cladatum-> |
| 746 | comdatum-> |
| 747 | permissions.table, |
| 748 | find_perm, &v); |
| 749 | } |
| 750 | if (ret) |
| 751 | printf(" %s", v.name); |
| 752 | } |
| 753 | } |
| 754 | printf(" }\n"); |
| 755 | break; |
| 756 | case -EINVAL: |
| 757 | printf("\ninvalid sid\n"); |
| 758 | break; |
| 759 | default: |
| 760 | printf("return code 0x%x\n", ret); |
| 761 | } |
| 762 | break; |
| 763 | case '1': |
| 764 | printf("sid? "); |
| 765 | FGETS(ans, sizeof(ans), stdin); |
| 766 | ssid = atoi(ans); |
| 767 | ret = sepol_sid_to_context(ssid, |
| 768 | &scontext, &scontext_len); |
| 769 | switch (ret) { |
| 770 | case 0: |
| 771 | printf("\nscontext %s\n", scontext); |
| 772 | free(scontext); |
| 773 | break; |
| 774 | case -EINVAL: |
| 775 | printf("\ninvalid sid\n"); |
| 776 | break; |
| 777 | case -ENOMEM: |
| 778 | printf("\nout of memory\n"); |
| 779 | break; |
| 780 | default: |
| 781 | printf("return code 0x%x\n", ret); |
| 782 | } |
| 783 | break; |
| 784 | case '2': |
| 785 | printf("scontext? "); |
| 786 | FGETS(ans, sizeof(ans), stdin); |
| 787 | scontext_len = strlen(ans); |
| 788 | ans[scontext_len - 1] = 0; |
| 789 | ret = sepol_context_to_sid(ans, scontext_len, &ssid); |
| 790 | switch (ret) { |
| 791 | case 0: |
| 792 | printf("\nsid %d\n", ssid); |
| 793 | break; |
| 794 | case -EINVAL: |
| 795 | printf("\ninvalid context\n"); |
| 796 | break; |
| 797 | case -ENOMEM: |
| 798 | printf("\nout of memory\n"); |
| 799 | break; |
| 800 | default: |
| 801 | printf("return code 0x%x\n", ret); |
| 802 | } |
| 803 | break; |
| 804 | case '3': |
| 805 | case '4': |
| 806 | case '5': |
| 807 | ch = ans[0]; |
| 808 | |
| 809 | printf("source sid? "); |
| 810 | FGETS(ans, sizeof(ans), stdin); |
| 811 | ssid = atoi(ans); |
| 812 | printf("target sid? "); |
| 813 | FGETS(ans, sizeof(ans), stdin); |
| 814 | tsid = atoi(ans); |
| 815 | |
| 816 | printf("object class? "); |
| 817 | FGETS(ans, sizeof(ans), stdin); |
| 818 | if (isdigit(ans[0])) { |
| 819 | tclass = atoi(ans); |
| 820 | if (!tclass |
| 821 | || tclass > policydb.p_classes.nprim) { |
| 822 | printf("\nNo such class.\n"); |
| 823 | break; |
| 824 | } |
| 825 | } else { |
| 826 | ans[strlen(ans) - 1] = 0; |
| 827 | cladatum = |
| 828 | (class_datum_t *) hashtab_search(policydb. |
| 829 | p_classes. |
| 830 | table, |
| 831 | ans); |
| 832 | if (!cladatum) { |
| 833 | printf("\nNo such class\n"); |
| 834 | break; |
| 835 | } |
| 836 | tclass = cladatum->s.value; |
| 837 | } |
| 838 | |
| 839 | if (ch == '3') |
| 840 | ret = |
| 841 | sepol_transition_sid(ssid, tsid, tclass, |
| 842 | &ssid); |
| 843 | else if (ch == '4') |
| 844 | ret = |
| 845 | sepol_member_sid(ssid, tsid, tclass, &ssid); |
| 846 | else |
| 847 | ret = |
| 848 | sepol_change_sid(ssid, tsid, tclass, &ssid); |
| 849 | switch (ret) { |
| 850 | case 0: |
| 851 | printf("\nsid %d\n", ssid); |
| 852 | break; |
| 853 | case -EINVAL: |
| 854 | printf("\ninvalid sid\n"); |
| 855 | break; |
| 856 | case -ENOMEM: |
| 857 | printf("\nout of memory\n"); |
| 858 | break; |
| 859 | default: |
| 860 | printf("return code 0x%x\n", ret); |
| 861 | } |
| 862 | break; |
| 863 | case '6': |
| 864 | sepol_sidtab_map(&sidtab, print_sid, 0); |
| 865 | break; |
| 866 | case '7': |
| 867 | printf("pathname? "); |
| 868 | FGETS(ans, sizeof(ans), stdin); |
| 869 | pathlen = strlen(ans); |
| 870 | ans[pathlen - 1] = 0; |
| 871 | printf("%s: loading policy configuration from %s\n", |
| 872 | argv[0], ans); |
| 873 | fd = open(ans, O_RDONLY); |
| 874 | if (fd < 0) { |
| 875 | fprintf(stderr, "Can't open '%s': %s\n", |
| 876 | ans, strerror(errno)); |
| 877 | break; |
| 878 | } |
| 879 | if (fstat(fd, &sb) < 0) { |
| 880 | fprintf(stderr, "Can't stat '%s': %s\n", |
| 881 | ans, strerror(errno)); |
| 882 | break; |
| 883 | } |
| 884 | map = |
| 885 | mmap(NULL, sb.st_size, PROT_READ | PROT_WRITE, |
| 886 | MAP_PRIVATE, fd, 0); |
| 887 | if (map == MAP_FAILED) { |
| 888 | fprintf(stderr, "Can't map '%s': %s\n", |
| 889 | ans, strerror(errno)); |
| 890 | break; |
| 891 | } |
| 892 | ret = sepol_load_policy(map, sb.st_size); |
| 893 | switch (ret) { |
| 894 | case 0: |
| 895 | printf("\nsuccess\n"); |
| 896 | break; |
| 897 | case -EINVAL: |
| 898 | printf("\ninvalid policy\n"); |
| 899 | break; |
| 900 | case -ENOMEM: |
| 901 | printf("\nout of memory\n"); |
| 902 | break; |
| 903 | default: |
| 904 | printf("return code 0x%x\n", ret); |
| 905 | } |
| 906 | break; |
| 907 | case '8': |
| 908 | printf("fs kdevname? "); |
| 909 | FGETS(ans, sizeof(ans), stdin); |
| 910 | ans[strlen(ans) - 1] = 0; |
| 911 | sepol_fs_sid(ans, &ssid, &tsid); |
| 912 | printf("fs_sid %d default_file_sid %d\n", ssid, tsid); |
| 913 | break; |
| 914 | case '9': |
| 915 | printf("protocol? "); |
| 916 | FGETS(ans, sizeof(ans), stdin); |
| 917 | ans[strlen(ans) - 1] = 0; |
| 918 | if (!strcmp(ans, "tcp") || !strcmp(ans, "TCP")) |
| 919 | protocol = IPPROTO_TCP; |
| 920 | else if (!strcmp(ans, "udp") || !strcmp(ans, "UDP")) |
| 921 | protocol = IPPROTO_UDP; |
| 922 | else { |
| 923 | printf("unknown protocol\n"); |
| 924 | break; |
| 925 | } |
| 926 | printf("port? "); |
| 927 | FGETS(ans, sizeof(ans), stdin); |
| 928 | port = atoi(ans); |
| 929 | sepol_port_sid(0, 0, protocol, port, &ssid); |
| 930 | printf("sid %d\n", ssid); |
| 931 | break; |
| 932 | case 'a': |
| 933 | printf("netif name? "); |
| 934 | FGETS(ans, sizeof(ans), stdin); |
| 935 | ans[strlen(ans) - 1] = 0; |
| 936 | sepol_netif_sid(ans, &ssid, &tsid); |
| 937 | printf("if_sid %d default_msg_sid %d\n", ssid, tsid); |
| 938 | break; |
| 939 | case 'b':{ |
| 940 | char *p; |
| 941 | int family, len; |
| 942 | struct in_addr addr4; |
| 943 | struct in6_addr addr6; |
| 944 | |
| 945 | printf("protocol family? "); |
| 946 | FGETS(ans, sizeof(ans), stdin); |
| 947 | ans[strlen(ans) - 1] = 0; |
| 948 | if (!strcasecmp(ans, "ipv4")) |
| 949 | family = AF_INET; |
| 950 | else if (!strcasecmp(ans, "ipv6")) |
| 951 | family = AF_INET6; |
| 952 | else { |
| 953 | printf("unknown protocol family\n"); |
| 954 | break; |
| 955 | } |
| 956 | |
| 957 | printf("node address? "); |
| 958 | FGETS(ans, sizeof(ans), stdin); |
| 959 | ans[strlen(ans) - 1] = 0; |
| 960 | |
| 961 | if (family == AF_INET) { |
| 962 | p = (char *)&addr4; |
| 963 | len = sizeof(addr4); |
| 964 | } else { |
| 965 | p = (char *)&addr6; |
| 966 | len = sizeof(addr6); |
| 967 | } |
| 968 | |
| 969 | if (inet_pton(family, ans, p) < 1) { |
| 970 | printf("error parsing address\n"); |
| 971 | break; |
| 972 | } |
| 973 | |
| 974 | sepol_node_sid(family, p, len, &ssid); |
| 975 | printf("sid %d\n", ssid); |
| 976 | break; |
| 977 | } |
| 978 | case 'c': |
| 979 | printf("fstype? "); |
| 980 | FGETS(ans, sizeof(ans), stdin); |
| 981 | ans[strlen(ans) - 1] = 0; |
| 982 | sepol_fs_use(ans, &uret, &ssid); |
| 983 | switch (uret) { |
| 984 | case SECURITY_FS_USE_XATTR: |
| 985 | printf("use xattr\n"); |
| 986 | break; |
| 987 | case SECURITY_FS_USE_TRANS: |
| 988 | printf("use transition SIDs\n"); |
| 989 | break; |
| 990 | case SECURITY_FS_USE_TASK: |
| 991 | printf("use task SIDs\n"); |
| 992 | break; |
| 993 | case SECURITY_FS_USE_GENFS: |
| 994 | printf("use genfs\n"); |
| 995 | break; |
| 996 | case SECURITY_FS_USE_NONE: |
| 997 | printf("no labeling support\n"); |
| 998 | break; |
| 999 | } |
| 1000 | printf("sid %d\n", ssid); |
| 1001 | break; |
| 1002 | case 'd': |
| 1003 | printf("fstype? "); |
| 1004 | FGETS(ans, sizeof(ans), stdin); |
| 1005 | ans[strlen(ans) - 1] = 0; |
| 1006 | fstype = strdup(ans); |
| 1007 | printf("path? "); |
| 1008 | FGETS(ans, sizeof(ans), stdin); |
| 1009 | ans[strlen(ans) - 1] = 0; |
| 1010 | path = strdup(ans); |
| 1011 | printf("object class? "); |
| 1012 | FGETS(ans, sizeof(ans), stdin); |
| 1013 | if (isdigit(ans[0])) { |
| 1014 | tclass = atoi(ans); |
| 1015 | if (!tclass |
| 1016 | || tclass > policydb.p_classes.nprim) { |
| 1017 | printf("\nNo such class.\n"); |
| 1018 | break; |
| 1019 | } |
| 1020 | } else { |
| 1021 | ans[strlen(ans) - 1] = 0; |
| 1022 | cladatum = |
| 1023 | (class_datum_t *) hashtab_search(policydb. |
| 1024 | p_classes. |
| 1025 | table, |
| 1026 | ans); |
| 1027 | if (!cladatum) { |
| 1028 | printf("\nNo such class\n"); |
| 1029 | break; |
| 1030 | } |
| 1031 | tclass = cladatum->s.value; |
| 1032 | } |
| 1033 | sepol_genfs_sid(fstype, path, tclass, &ssid); |
| 1034 | printf("sid %d\n", ssid); |
| 1035 | free(fstype); |
| 1036 | free(path); |
| 1037 | break; |
| 1038 | case 'e': |
| 1039 | printf("from SID? "); |
| 1040 | FGETS(ans, sizeof(ans), stdin); |
| 1041 | ans[strlen(ans) - 1] = 0; |
| 1042 | ssid = atoi(ans); |
| 1043 | |
| 1044 | printf("username? "); |
| 1045 | FGETS(ans, sizeof(ans), stdin); |
| 1046 | ans[strlen(ans) - 1] = 0; |
| 1047 | |
| 1048 | ret = sepol_get_user_sids(ssid, ans, &sids, &nel); |
| 1049 | switch (ret) { |
| 1050 | case 0: |
| 1051 | if (!nel) |
| 1052 | printf("\nnone\n"); |
| 1053 | for (i = 0; i < nel; i++) |
| 1054 | print_sid(sids[i], NULL, NULL); |
| 1055 | free(sids); |
| 1056 | break; |
| 1057 | case -ENOMEM: |
| 1058 | printf("\nout of memory\n"); |
| 1059 | break; |
| 1060 | case -EINVAL: |
| 1061 | printf("\ninvalid argument\n"); |
| 1062 | break; |
| 1063 | default: |
| 1064 | printf("\nerror\n"); |
| 1065 | break; |
| 1066 | } |
| 1067 | break; |
| 1068 | case 'f': |
| 1069 | display_bools(); |
| 1070 | break; |
| 1071 | case 'g': |
| 1072 | display_cond_expressions(); |
| 1073 | break; |
| 1074 | case 'h': |
| 1075 | printf("name? "); |
| 1076 | FGETS(ans, sizeof(ans), stdin); |
| 1077 | ans[strlen(ans) - 1] = 0; |
| 1078 | |
| 1079 | name = malloc((strlen(ans) + 1) * sizeof(char)); |
| 1080 | if (name == NULL) { |
| 1081 | fprintf(stderr, "couldn't malloc string.\n"); |
| 1082 | break; |
| 1083 | } |
| 1084 | strcpy(name, ans); |
| 1085 | |
| 1086 | printf("state? "); |
| 1087 | FGETS(ans, sizeof(ans), stdin); |
| 1088 | ans[strlen(ans) - 1] = 0; |
| 1089 | |
| 1090 | if (atoi(ans)) |
| 1091 | state = 1; |
| 1092 | else |
| 1093 | state = 0; |
| 1094 | |
| 1095 | change_bool(name, state); |
| 1096 | free(name); |
| 1097 | break; |
Richard Haines | ab9cbb1 | 2013-11-03 19:12:29 +0000 | [diff] [blame] | 1098 | case 'i': |
| 1099 | printf("source sid? "); |
| 1100 | FGETS(ans, sizeof(ans), stdin); |
| 1101 | ssid = atoi(ans); |
| 1102 | |
| 1103 | printf("target sid? "); |
| 1104 | FGETS(ans, sizeof(ans), stdin); |
| 1105 | tsid = atoi(ans); |
| 1106 | |
| 1107 | printf("target class? "); |
| 1108 | FGETS(ans, sizeof(ans), stdin); |
| 1109 | if (isdigit(ans[0])) { |
| 1110 | tclass = atoi(ans); |
| 1111 | if (!tclass |
| 1112 | || tclass > policydb.p_classes.nprim) { |
| 1113 | printf("\nNo such class.\n"); |
| 1114 | break; |
| 1115 | } |
| 1116 | cladatum = |
| 1117 | policydb.class_val_to_struct[tclass - 1]; |
| 1118 | } else { |
| 1119 | ans[strlen(ans) - 1] = 0; |
| 1120 | cladatum = |
| 1121 | (class_datum_t *) hashtab_search(policydb. |
| 1122 | p_classes. |
| 1123 | table, |
| 1124 | ans); |
| 1125 | if (!cladatum) { |
| 1126 | printf("\nNo such class\n"); |
| 1127 | break; |
| 1128 | } |
| 1129 | tclass = cladatum->s.value; |
| 1130 | } |
| 1131 | |
| 1132 | flags = SHOW_GRANTED; |
| 1133 | if (sepol_compute_av_reason_buffer(ssid, tsid, |
| 1134 | tclass, 0, &avd, &reason, |
| 1135 | &reason_buf, flags)) { |
| 1136 | printf("\nconstraint error\n"); |
| 1137 | break; |
| 1138 | } |
| 1139 | if (reason_buf) { |
| 1140 | printf("\nConstraint expressions:\n%s", |
| 1141 | reason_buf); |
| 1142 | free(reason_buf); |
| 1143 | } else { |
| 1144 | printf("\nNo constraints found.\n"); |
| 1145 | } |
| 1146 | break; |
| 1147 | case 'j': |
| 1148 | printf("old sid? "); |
| 1149 | FGETS(ans, sizeof(ans), stdin); |
| 1150 | oldsid = atoi(ans); |
| 1151 | |
| 1152 | printf("new sid? "); |
| 1153 | FGETS(ans, sizeof(ans), stdin); |
| 1154 | newsid = atoi(ans); |
| 1155 | |
| 1156 | printf("task sid? "); |
| 1157 | FGETS(ans, sizeof(ans), stdin); |
| 1158 | tasksid = atoi(ans); |
| 1159 | |
| 1160 | printf("target class? "); |
| 1161 | FGETS(ans, sizeof(ans), stdin); |
| 1162 | if (isdigit(ans[0])) { |
| 1163 | tclass = atoi(ans); |
| 1164 | if (!tclass |
| 1165 | || tclass > policydb.p_classes.nprim) { |
| 1166 | printf("\nNo such class.\n"); |
| 1167 | break; |
| 1168 | } |
| 1169 | cladatum = |
| 1170 | policydb.class_val_to_struct[tclass - 1]; |
| 1171 | } else { |
| 1172 | ans[strlen(ans) - 1] = 0; |
| 1173 | cladatum = |
| 1174 | (class_datum_t *) hashtab_search(policydb. |
| 1175 | p_classes. |
| 1176 | table, |
| 1177 | ans); |
| 1178 | if (!cladatum) { |
| 1179 | printf("\nNo such class\n"); |
| 1180 | break; |
| 1181 | } |
| 1182 | tclass = cladatum->s.value; |
| 1183 | } |
| 1184 | |
| 1185 | flags = SHOW_GRANTED; |
| 1186 | if (sepol_validate_transition_reason_buffer(oldsid, |
| 1187 | newsid, tasksid, tclass, |
| 1188 | &reason_buf, flags)) { |
| 1189 | printf("\nvalidatetrans error\n"); |
| 1190 | break; |
| 1191 | } |
| 1192 | if (reason_buf) { |
| 1193 | printf("\nValidatetrans expressions:\n%s", |
| 1194 | reason_buf); |
| 1195 | free(reason_buf); |
| 1196 | } else { |
| 1197 | printf( |
| 1198 | "\nNo validatetrans expressions found.\n"); |
| 1199 | } |
| 1200 | break; |
Joshua Brindle | 13cd4c8 | 2008-08-19 15:30:36 -0400 | [diff] [blame] | 1201 | #ifdef EQUIVTYPES |
| 1202 | case 'z': |
| 1203 | identify_equiv_types(); |
| 1204 | break; |
| 1205 | #endif |
| 1206 | case 'm': |
| 1207 | goto menu; |
| 1208 | case 'q': |
| 1209 | exit(0); |
| 1210 | break; |
| 1211 | default: |
| 1212 | printf("\nUnknown option %s.\n", ans); |
| 1213 | } |
| 1214 | } |
| 1215 | |
| 1216 | return 0; |
| 1217 | } |
| 1218 | |
| 1219 | /* FLASK */ |