diff options
Diffstat (limited to 'usr/src/lib/libsec')
| -rw-r--r-- | usr/src/lib/libsec/common/aclutils.c | 153 |
1 files changed, 75 insertions, 78 deletions
diff --git a/usr/src/lib/libsec/common/aclutils.c b/usr/src/lib/libsec/common/aclutils.c index ea91ddb96e..5a67ca1397 100644 --- a/usr/src/lib/libsec/common/aclutils.c +++ b/usr/src/lib/libsec/common/aclutils.c @@ -746,64 +746,95 @@ acl_error(const char *fmt, ...) va_end(va); } -int -sid_to_id(char *sid, boolean_t user, uid_t *id) +typedef enum id_type { + UID_TYPE, + GID_TYPE, + PID_TYPE +} id_type_t; + +static int +sid_to_id_impl(char *sid, id_type_t type, int *is_user, uid_t *id) { - idmap_get_handle_t *get_hdl = NULL; - char *rid_start = NULL; + idmap_get_handle_t *get_hdl; + char *rid_start; + idmap_stat rv; + idmap_rid_t rid; + const char *errstr; idmap_stat status; - char *end; int error = 1; + + rid_start = strrchr(sid, '-'); + if (rid_start == NULL) + return (error); + + rid = strtonum(rid_start + 1, 0, UINT32_MAX, &errstr); + if (errstr != NULL) + return (error); + + if (idmap_get_create(&get_hdl) != IDMAP_SUCCESS) + return (error); + + /* + * When these functions return success, the &status output is + * indeterminate. We only care about rv==success in this caller, + * so just ignore &status. + */ + /* We need sid prefix. Insert NUL on '-', restore it later. */ + *rid_start = '\0'; + switch (type) { + case UID_TYPE: + rv = idmap_get_uidbysid(get_hdl, + sid, rid, IDMAP_REQ_FLG_USE_CACHE, + id, &status); + break; + + case GID_TYPE: + rv = idmap_get_gidbysid(get_hdl, + sid, rid, IDMAP_REQ_FLG_USE_CACHE, + id, &status); + break; + + case PID_TYPE: + rv = idmap_get_pidbysid(get_hdl, sid, rid, + IDMAP_REQ_FLG_USE_CACHE, id, is_user, + &status); + break; + } + + *rid_start = '-'; /* putback character removed earlier */ + if (rv == IDMAP_SUCCESS && + idmap_get_mappings(get_hdl) == IDMAP_SUCCESS) { + error = 0; + } + idmap_get_destroy(get_hdl); + + return (error); +} + +int +sid_to_id(char *sid, boolean_t user, uid_t *id) +{ char *domain_start; + int error = 1; if ((domain_start = strchr(sid, '@')) == NULL) { - idmap_rid_t rid; - - if ((rid_start = strrchr(sid, '-')) == NULL) - return (1); - *rid_start++ = '\0'; - errno = 0; - rid = strtoul(rid_start--, &end, 10); - if (errno == 0 && *end == '\0') { - if (idmap_get_create(&get_hdl) == - IDMAP_SUCCESS) { - if (user) - error = idmap_get_uidbysid(get_hdl, - sid, rid, IDMAP_REQ_FLG_USE_CACHE, - id, &status); - else - error = idmap_get_gidbysid(get_hdl, - sid, rid, IDMAP_REQ_FLG_USE_CACHE, - id, &status); - if (error == IDMAP_SUCCESS) { - error = idmap_get_mappings(get_hdl); - if (error == IDMAP_SUCCESS && - status != IDMAP_SUCCESS) - error = 1; - else - error = 0; - } - } else { - error = 1; - } - if (get_hdl) - idmap_get_destroy(get_hdl); - } else { - error = 1; - } - *rid_start = '-'; /* putback character removed earlier */ + error = sid_to_id_impl(sid, user ? UID_TYPE : GID_TYPE, + NULL, id); } else { char *name = sid; + idmap_stat rv; + *domain_start++ = '\0'; if (user) - error = idmap_getuidbywinname(name, domain_start, + rv = idmap_getuidbywinname(name, domain_start, IDMAP_REQ_FLG_USE_CACHE, id); else - error = idmap_getgidbywinname(name, domain_start, + rv = idmap_getgidbywinname(name, domain_start, IDMAP_REQ_FLG_USE_CACHE, id); *--domain_start = '@'; - error = (error == IDMAP_SUCCESS) ? 0 : 1; + if (rv == IDMAP_SUCCESS) + error = 0; } return (error); @@ -817,42 +848,8 @@ sid_to_id(char *sid, boolean_t user, uid_t *id) int sid_to_xid(char *sid, int *is_user, uid_t *id) { - idmap_get_handle_t *get_hdl = NULL; - char *rid_start = NULL; - char *end; - idmap_stat status; - idmap_rid_t rid; - int error = 1; - if ((strchr(sid, '@')) != NULL) return (1); - if ((rid_start = strrchr(sid, '-')) == NULL) - return (1); - *rid_start++ = '\0'; - errno = 0; - rid = strtoul(rid_start--, &end, 10); - if (errno == 0 && *end == '\0') { - if (idmap_get_create(&get_hdl) == IDMAP_SUCCESS) { - error = idmap_get_pidbysid(get_hdl, - sid, rid, IDMAP_REQ_FLG_USE_CACHE, - id, is_user, &status); - if (error == IDMAP_SUCCESS) { - error = idmap_get_mappings(get_hdl); - if (error == IDMAP_SUCCESS && - status != IDMAP_SUCCESS) - error = 1; - else - error = 0; - } - } else { - error = 1; - } - if (get_hdl) - idmap_get_destroy(get_hdl); - } - - *rid_start = '-'; /* putback character removed earlier */ - - return (error); + return (sid_to_id_impl(sid, PID_TYPE, is_user, id)); } |