Lines Matching refs:entry
326 static void ima_lsm_free_rule(struct ima_rule_entry *entry) in ima_lsm_free_rule() argument
331 ima_filter_rule_free(entry->lsm[i].rule); in ima_lsm_free_rule()
332 kfree(entry->lsm[i].args_p); in ima_lsm_free_rule()
336 static void ima_free_rule(struct ima_rule_entry *entry) in ima_free_rule() argument
338 if (!entry) in ima_free_rule()
346 kfree(entry->fsname); in ima_free_rule()
347 ima_free_rule_opt_list(entry->keyrings); in ima_free_rule()
348 ima_lsm_free_rule(entry); in ima_free_rule()
349 kfree(entry); in ima_free_rule()
352 static struct ima_rule_entry *ima_lsm_copy_rule(struct ima_rule_entry *entry) in ima_lsm_copy_rule() argument
361 nentry = kmemdup(entry, sizeof(*nentry), GFP_KERNEL); in ima_lsm_copy_rule()
368 if (!entry->lsm[i].args_p) in ima_lsm_copy_rule()
371 nentry->lsm[i].type = entry->lsm[i].type; in ima_lsm_copy_rule()
372 nentry->lsm[i].args_p = entry->lsm[i].args_p; in ima_lsm_copy_rule()
378 entry->lsm[i].args_p = NULL; in ima_lsm_copy_rule()
390 static int ima_lsm_update_rule(struct ima_rule_entry *entry) in ima_lsm_update_rule() argument
394 nentry = ima_lsm_copy_rule(entry); in ima_lsm_update_rule()
398 list_replace_rcu(&entry->list, &nentry->list); in ima_lsm_update_rule()
406 ima_lsm_free_rule(entry); in ima_lsm_update_rule()
407 kfree(entry); in ima_lsm_update_rule()
412 static bool ima_rule_contains_lsm_cond(struct ima_rule_entry *entry) in ima_rule_contains_lsm_cond() argument
417 if (entry->lsm[i].args_p) in ima_rule_contains_lsm_cond()
430 struct ima_rule_entry *entry, *e; in ima_lsm_update_rules() local
433 list_for_each_entry_safe(entry, e, &ima_policy_rules, list) { in ima_lsm_update_rules()
434 if (!ima_rule_contains_lsm_cond(entry)) in ima_lsm_update_rules()
437 result = ima_lsm_update_rule(entry); in ima_lsm_update_rules()
628 struct ima_rule_entry *entry; in ima_match_policy() local
635 list_for_each_entry_rcu(entry, ima_rules, list) { in ima_match_policy()
637 if (!(entry->action & actmask)) in ima_match_policy()
640 if (!ima_match_rules(entry, inode, cred, secid, func, mask, in ima_match_policy()
644 action |= entry->flags & IMA_ACTION_FLAGS; in ima_match_policy()
646 action |= entry->action & IMA_DO_MASK; in ima_match_policy()
647 if (entry->action & IMA_APPRAISE) { in ima_match_policy()
648 action |= get_subaction(entry, func); in ima_match_policy()
655 if (entry->action & IMA_DO_MASK) in ima_match_policy()
656 actmask &= ~(entry->action | entry->action << 1); in ima_match_policy()
658 actmask &= ~(entry->action | entry->action >> 1); in ima_match_policy()
660 if ((pcr) && (entry->flags & IMA_PCR)) in ima_match_policy()
661 *pcr = entry->pcr; in ima_match_policy()
663 if (template_desc && entry->template) in ima_match_policy()
664 *template_desc = entry->template; in ima_match_policy()
682 struct ima_rule_entry *entry; in ima_update_policy_flag() local
684 list_for_each_entry(entry, ima_rules, list) { in ima_update_policy_flag()
685 if (entry->action & IMA_DO_MASK) in ima_update_policy_flag()
686 ima_policy_flag |= entry->action; in ima_update_policy_flag()
713 struct ima_rule_entry *entry; in add_rules() local
719 entry = kmemdup(&entries[i], sizeof(*entry), in add_rules()
721 if (!entry) in add_rules()
724 list_add_tail(&entry->list, &ima_policy_rules); in add_rules()
737 static int ima_parse_rule(char *rule, struct ima_rule_entry *entry);
950 static int ima_lsm_rule_init(struct ima_rule_entry *entry, in ima_lsm_rule_init() argument
955 if (entry->lsm[lsm_rule].rule) in ima_lsm_rule_init()
958 entry->lsm[lsm_rule].args_p = match_strdup(args); in ima_lsm_rule_init()
959 if (!entry->lsm[lsm_rule].args_p) in ima_lsm_rule_init()
962 entry->lsm[lsm_rule].type = audit_type; in ima_lsm_rule_init()
963 result = ima_filter_rule_init(entry->lsm[lsm_rule].type, Audit_equal, in ima_lsm_rule_init()
964 entry->lsm[lsm_rule].args_p, in ima_lsm_rule_init()
965 &entry->lsm[lsm_rule].rule); in ima_lsm_rule_init()
966 if (!entry->lsm[lsm_rule].rule) { in ima_lsm_rule_init()
968 entry->lsm[lsm_rule].args_p); in ima_lsm_rule_init()
971 kfree(entry->lsm[lsm_rule].args_p); in ima_lsm_rule_init()
972 entry->lsm[lsm_rule].args_p = NULL; in ima_lsm_rule_init()
1032 static bool ima_validate_rule(struct ima_rule_entry *entry) in ima_validate_rule() argument
1035 if (entry->action == UNKNOWN) in ima_validate_rule()
1038 if (entry->action != MEASURE && entry->flags & IMA_PCR) in ima_validate_rule()
1041 if (entry->action != APPRAISE && in ima_validate_rule()
1042 entry->flags & (IMA_DIGSIG_REQUIRED | IMA_MODSIG_ALLOWED | IMA_CHECK_BLACKLIST)) in ima_validate_rule()
1051 if (((entry->flags & IMA_FUNC) && entry->func == NONE) || in ima_validate_rule()
1052 (!(entry->flags & IMA_FUNC) && entry->func != NONE)) in ima_validate_rule()
1059 switch (entry->func) { in ima_validate_rule()
1068 if (entry->flags & ~(IMA_FUNC | IMA_MASK | IMA_FSMAGIC | in ima_validate_rule()
1079 if (entry->flags & ~(IMA_FUNC | IMA_MASK | IMA_FSMAGIC | in ima_validate_rule()
1089 if (entry->action & ~(MEASURE | DONT_MEASURE)) in ima_validate_rule()
1092 if (entry->flags & ~(IMA_FUNC | IMA_FSMAGIC | IMA_UID | in ima_validate_rule()
1099 if (entry->action & ~(MEASURE | DONT_MEASURE)) in ima_validate_rule()
1102 if (entry->flags & ~(IMA_FUNC | IMA_UID | IMA_PCR | in ima_validate_rule()
1106 if (ima_rule_contains_lsm_cond(entry)) in ima_validate_rule()
1115 if (entry->flags & IMA_CHECK_BLACKLIST && in ima_validate_rule()
1116 !(entry->flags & IMA_MODSIG_ALLOWED)) in ima_validate_rule()
1122 static int ima_parse_rule(char *rule, struct ima_rule_entry *entry) in ima_parse_rule() argument
1134 entry->uid = INVALID_UID; in ima_parse_rule()
1135 entry->fowner = INVALID_UID; in ima_parse_rule()
1136 entry->uid_op = &uid_eq; in ima_parse_rule()
1137 entry->fowner_op = &uid_eq; in ima_parse_rule()
1138 entry->action = UNKNOWN; in ima_parse_rule()
1153 if (entry->action != UNKNOWN) in ima_parse_rule()
1156 entry->action = MEASURE; in ima_parse_rule()
1161 if (entry->action != UNKNOWN) in ima_parse_rule()
1164 entry->action = DONT_MEASURE; in ima_parse_rule()
1169 if (entry->action != UNKNOWN) in ima_parse_rule()
1172 entry->action = APPRAISE; in ima_parse_rule()
1177 if (entry->action != UNKNOWN) in ima_parse_rule()
1180 entry->action = DONT_APPRAISE; in ima_parse_rule()
1185 if (entry->action != UNKNOWN) in ima_parse_rule()
1188 entry->action = AUDIT; in ima_parse_rule()
1193 if (entry->action != UNKNOWN) in ima_parse_rule()
1196 entry->action = HASH; in ima_parse_rule()
1201 if (entry->action != UNKNOWN) in ima_parse_rule()
1204 entry->action = DONT_HASH; in ima_parse_rule()
1209 if (entry->func) in ima_parse_rule()
1213 entry->func = FILE_CHECK; in ima_parse_rule()
1216 entry->func = FILE_CHECK; in ima_parse_rule()
1218 entry->func = MODULE_CHECK; in ima_parse_rule()
1220 entry->func = FIRMWARE_CHECK; in ima_parse_rule()
1223 entry->func = MMAP_CHECK; in ima_parse_rule()
1225 entry->func = BPRM_CHECK; in ima_parse_rule()
1227 entry->func = CREDS_CHECK; in ima_parse_rule()
1230 entry->func = KEXEC_KERNEL_CHECK; in ima_parse_rule()
1233 entry->func = KEXEC_INITRAMFS_CHECK; in ima_parse_rule()
1235 entry->func = POLICY_CHECK; in ima_parse_rule()
1237 entry->func = KEXEC_CMDLINE; in ima_parse_rule()
1240 entry->func = KEY_CHECK; in ima_parse_rule()
1244 entry->flags |= IMA_FUNC; in ima_parse_rule()
1249 if (entry->mask) in ima_parse_rule()
1257 entry->mask = MAY_EXEC; in ima_parse_rule()
1259 entry->mask = MAY_WRITE; in ima_parse_rule()
1261 entry->mask = MAY_READ; in ima_parse_rule()
1263 entry->mask = MAY_APPEND; in ima_parse_rule()
1267 entry->flags |= (*args[0].from == '^') in ima_parse_rule()
1273 if (entry->fsmagic) { in ima_parse_rule()
1278 result = kstrtoul(args[0].from, 16, &entry->fsmagic); in ima_parse_rule()
1280 entry->flags |= IMA_FSMAGIC; in ima_parse_rule()
1285 entry->fsname = kstrdup(args[0].from, GFP_KERNEL); in ima_parse_rule()
1286 if (!entry->fsname) { in ima_parse_rule()
1291 entry->flags |= IMA_FSNAME; in ima_parse_rule()
1297 entry->keyrings) { in ima_parse_rule()
1302 entry->keyrings = ima_alloc_rule_opt_list(args); in ima_parse_rule()
1303 if (IS_ERR(entry->keyrings)) { in ima_parse_rule()
1304 result = PTR_ERR(entry->keyrings); in ima_parse_rule()
1305 entry->keyrings = NULL; in ima_parse_rule()
1309 entry->flags |= IMA_KEYRINGS; in ima_parse_rule()
1314 if (!uuid_is_null(&entry->fsuuid)) { in ima_parse_rule()
1319 result = uuid_parse(args[0].from, &entry->fsuuid); in ima_parse_rule()
1321 entry->flags |= IMA_FSUUID; in ima_parse_rule()
1325 entry->uid_op = &uid_gt; in ima_parse_rule()
1330 entry->uid_op = &uid_lt; in ima_parse_rule()
1339 args[0].from, entry->uid_op); in ima_parse_rule()
1341 if (uid_valid(entry->uid)) { in ima_parse_rule()
1348 entry->uid = make_kuid(current_user_ns(), in ima_parse_rule()
1350 if (!uid_valid(entry->uid) || in ima_parse_rule()
1354 entry->flags |= uid_token in ima_parse_rule()
1359 entry->fowner_op = &uid_gt; in ima_parse_rule()
1363 entry->fowner_op = &uid_lt; in ima_parse_rule()
1367 entry->fowner_op); in ima_parse_rule()
1369 if (uid_valid(entry->fowner)) { in ima_parse_rule()
1376 entry->fowner = make_kuid(current_user_ns(), (uid_t)lnum); in ima_parse_rule()
1377 if (!uid_valid(entry->fowner) || (((uid_t)lnum) != lnum)) in ima_parse_rule()
1380 entry->flags |= IMA_FOWNER; in ima_parse_rule()
1385 result = ima_lsm_rule_init(entry, args, in ima_parse_rule()
1391 result = ima_lsm_rule_init(entry, args, in ima_parse_rule()
1397 result = ima_lsm_rule_init(entry, args, in ima_parse_rule()
1403 result = ima_lsm_rule_init(entry, args, in ima_parse_rule()
1409 result = ima_lsm_rule_init(entry, args, in ima_parse_rule()
1415 result = ima_lsm_rule_init(entry, args, in ima_parse_rule()
1422 entry->flags |= IMA_DIGSIG_REQUIRED; in ima_parse_rule()
1425 entry->flags |= IMA_DIGSIG_REQUIRED | in ima_parse_rule()
1434 entry->flags |= IMA_CHECK_BLACKLIST; in ima_parse_rule()
1439 entry->flags |= IMA_PERMIT_DIRECTIO; in ima_parse_rule()
1444 result = kstrtoint(args[0].from, 10, &entry->pcr); in ima_parse_rule()
1445 if (result || INVALID_PCR(entry->pcr)) in ima_parse_rule()
1448 entry->flags |= IMA_PCR; in ima_parse_rule()
1453 if (entry->action != MEASURE) { in ima_parse_rule()
1458 if (!template_desc || entry->template) { in ima_parse_rule()
1471 entry->template = template_desc; in ima_parse_rule()
1479 if (!result && !ima_validate_rule(entry)) in ima_parse_rule()
1481 else if (entry->action == APPRAISE) in ima_parse_rule()
1482 temp_ima_appraise |= ima_appraise_flag(entry->func); in ima_parse_rule()
1484 if (!result && entry->flags & IMA_MODSIG_ALLOWED) { in ima_parse_rule()
1485 template_desc = entry->template ? entry->template : in ima_parse_rule()
1506 struct ima_rule_entry *entry; in ima_parse_add_rule() local
1517 entry = kzalloc(sizeof(*entry), GFP_KERNEL); in ima_parse_add_rule()
1518 if (!entry) { in ima_parse_add_rule()
1524 INIT_LIST_HEAD(&entry->list); in ima_parse_add_rule()
1526 result = ima_parse_rule(p, entry); in ima_parse_add_rule()
1528 ima_free_rule(entry); in ima_parse_add_rule()
1535 list_add_tail(&entry->list, &ima_temp_rules); in ima_parse_add_rule()
1548 struct ima_rule_entry *entry, *tmp; in ima_delete_rules() local
1551 list_for_each_entry_safe(entry, tmp, &ima_temp_rules, list) { in ima_delete_rules()
1552 list_del(&entry->list); in ima_delete_rules()
1553 ima_free_rule(entry); in ima_delete_rules()
1578 struct ima_rule_entry *entry; in ima_policy_start() local
1581 list_for_each_entry_rcu(entry, ima_rules, list) { in ima_policy_start()
1584 return entry; in ima_policy_start()
1593 struct ima_rule_entry *entry = v; in ima_policy_next() local
1596 entry = list_entry_rcu(entry->list.next, struct ima_rule_entry, list); in ima_policy_next()
1600 return (&entry->list == ima_rules) ? NULL : entry; in ima_policy_next()
1632 struct ima_rule_entry *entry = v; in ima_policy_show() local
1639 if (entry->action & MEASURE) in ima_policy_show()
1641 if (entry->action & DONT_MEASURE) in ima_policy_show()
1643 if (entry->action & APPRAISE) in ima_policy_show()
1645 if (entry->action & DONT_APPRAISE) in ima_policy_show()
1647 if (entry->action & AUDIT) in ima_policy_show()
1649 if (entry->action & HASH) in ima_policy_show()
1651 if (entry->action & DONT_HASH) in ima_policy_show()
1656 if (entry->flags & IMA_FUNC) in ima_policy_show()
1657 policy_func_show(m, entry->func); in ima_policy_show()
1659 if ((entry->flags & IMA_MASK) || (entry->flags & IMA_INMASK)) { in ima_policy_show()
1660 if (entry->flags & IMA_MASK) in ima_policy_show()
1662 if (entry->mask & MAY_EXEC) in ima_policy_show()
1664 if (entry->mask & MAY_WRITE) in ima_policy_show()
1666 if (entry->mask & MAY_READ) in ima_policy_show()
1668 if (entry->mask & MAY_APPEND) in ima_policy_show()
1673 if (entry->flags & IMA_FSMAGIC) { in ima_policy_show()
1674 snprintf(tbuf, sizeof(tbuf), "0x%lx", entry->fsmagic); in ima_policy_show()
1679 if (entry->flags & IMA_FSNAME) { in ima_policy_show()
1680 snprintf(tbuf, sizeof(tbuf), "%s", entry->fsname); in ima_policy_show()
1685 if (entry->flags & IMA_KEYRINGS) { in ima_policy_show()
1687 ima_show_rule_opt_list(m, entry->keyrings); in ima_policy_show()
1691 if (entry->flags & IMA_PCR) { in ima_policy_show()
1692 snprintf(tbuf, sizeof(tbuf), "%d", entry->pcr); in ima_policy_show()
1697 if (entry->flags & IMA_FSUUID) { in ima_policy_show()
1698 seq_printf(m, "fsuuid=%pU", &entry->fsuuid); in ima_policy_show()
1702 if (entry->flags & IMA_UID) { in ima_policy_show()
1703 snprintf(tbuf, sizeof(tbuf), "%d", __kuid_val(entry->uid)); in ima_policy_show()
1704 if (entry->uid_op == &uid_gt) in ima_policy_show()
1706 else if (entry->uid_op == &uid_lt) in ima_policy_show()
1713 if (entry->flags & IMA_EUID) { in ima_policy_show()
1714 snprintf(tbuf, sizeof(tbuf), "%d", __kuid_val(entry->uid)); in ima_policy_show()
1715 if (entry->uid_op == &uid_gt) in ima_policy_show()
1717 else if (entry->uid_op == &uid_lt) in ima_policy_show()
1724 if (entry->flags & IMA_FOWNER) { in ima_policy_show()
1725 snprintf(tbuf, sizeof(tbuf), "%d", __kuid_val(entry->fowner)); in ima_policy_show()
1726 if (entry->fowner_op == &uid_gt) in ima_policy_show()
1728 else if (entry->fowner_op == &uid_lt) in ima_policy_show()
1736 if (entry->lsm[i].rule) { in ima_policy_show()
1740 entry->lsm[i].args_p); in ima_policy_show()
1744 entry->lsm[i].args_p); in ima_policy_show()
1748 entry->lsm[i].args_p); in ima_policy_show()
1752 entry->lsm[i].args_p); in ima_policy_show()
1756 entry->lsm[i].args_p); in ima_policy_show()
1760 entry->lsm[i].args_p); in ima_policy_show()
1766 if (entry->template) in ima_policy_show()
1767 seq_printf(m, "template=%s ", entry->template->name); in ima_policy_show()
1768 if (entry->flags & IMA_DIGSIG_REQUIRED) { in ima_policy_show()
1769 if (entry->flags & IMA_MODSIG_ALLOWED) in ima_policy_show()
1774 if (entry->flags & IMA_CHECK_BLACKLIST) in ima_policy_show()
1776 if (entry->flags & IMA_PERMIT_DIRECTIO) in ima_policy_show()
1793 struct ima_rule_entry *entry; in ima_appraise_signature() local
1807 list_for_each_entry_rcu(entry, ima_rules, list) { in ima_appraise_signature()
1808 if (entry->action != APPRAISE) in ima_appraise_signature()
1815 if (entry->func && entry->func != func) in ima_appraise_signature()
1822 if (entry->flags & IMA_DIGSIG_REQUIRED) in ima_appraise_signature()