diff options
Diffstat (limited to 'nis/nss_compat/compat-grp.c')
-rw-r--r-- | nis/nss_compat/compat-grp.c | 120 |
1 files changed, 45 insertions, 75 deletions
diff --git a/nis/nss_compat/compat-grp.c b/nis/nss_compat/compat-grp.c index 40a190e..59165ea 100644 --- a/nis/nss_compat/compat-grp.c +++ b/nis/nss_compat/compat-grp.c @@ -30,9 +30,12 @@ #include <nsswitch.h> #include "nss-nisplus.h" +#include "nisplus-parser.h" static service_user *ni = NULL; static bool_t use_nisplus = FALSE; /* default: group_compat: nis */ +static nis_name grptable = NULL; /* Name of the group table */ +static size_t grptablelen = 0; /* Get the declaration of the parser function. */ #define ENTNAME grent @@ -57,14 +60,12 @@ struct ent_t char *oldkey; int oldkeylen; nis_result *result; - nis_name *names; - u_long names_nr; FILE *stream; struct blacklist_t blacklist; }; typedef struct ent_t ent_t; -static ent_t ext_ent = {0, 0, NULL, 0, NULL, NULL, 0, NULL, {NULL, 0, 0}}; +static ent_t ext_ent = {0, 0, NULL, 0, NULL, NULL, {NULL, 0, 0}}; /* Protect global state against multiple changers. */ __libc_lock_define_initialized (static, lock) @@ -72,8 +73,31 @@ __libc_lock_define_initialized (static, lock) /* Prototypes for local functions. */ static void blacklist_store_name (const char *, ent_t *); static int in_blacklist (const char *, int, ent_t *); -extern int _nss_nisplus_parse_grent (nis_result *, struct group *, - char *, size_t); + +static enum nss_status +_nss_first_init (void) +{ + if (ni == NULL) + { + __nss_database_lookup ("group_compat", NULL, "nis", &ni); + use_nisplus = (strcmp (ni->name, "nisplus") == 0); + } + + if (grptable == NULL) + { + char buf [20 + strlen (nis_local_directory ())]; + char *p; + + p = stpcpy (buf, "group.org_dir."); + p = stpcpy (p, nis_local_directory ()); + grptable = strdup (buf); + if (grptable == NULL) + return NSS_STATUS_TRYAGAIN; + grptablelen = strlen (grptable); + } + + return NSS_STATUS_SUCCESS; +} static enum nss_status internal_setgrent (ent_t *ent) @@ -82,6 +106,9 @@ internal_setgrent (ent_t *ent) ent->nis = ent->nis_first = 0; + if (_nss_first_init () != NSS_STATUS_SUCCESS) + return NSS_STATUS_UNAVAIL; + if (ent->oldkey != NULL) { free (ent->oldkey); @@ -95,12 +122,6 @@ internal_setgrent (ent_t *ent) ent->result = NULL; } - if (ent->names != NULL) - { - nis_freenames (ent->names); - ent->names = NULL; - } - ent->names_nr = 0; ent->blacklist.current = 0; if (ent->blacklist.data != NULL) ent->blacklist.data[0] = '\0'; @@ -126,12 +147,6 @@ _nss_compat_setgrent (void) __libc_lock_lock (lock); - if (ni == NULL) - { - __nss_database_lookup ("group_compat", NULL, "nis", &ni); - use_nisplus = (strcmp (ni->name, "nisplus") == 0); - } - result = internal_setgrent (&ext_ent); __libc_lock_unlock (lock); @@ -164,12 +179,6 @@ internal_endgrent (ent_t *ent) ent->result = NULL; } - if (ent->names != NULL) - { - nis_freenames (ent->names); - ent->names = NULL; - } - ent->names_nr = 0; ent->blacklist.current = 0; if (ent->blacklist.data != NULL) ent->blacklist.data[0] = '\0'; @@ -263,22 +272,11 @@ getgrent_next_nisplus (struct group *result, ent_t *ent, char *buffer, { int parse_res; - if (ent->names == NULL) - { - ent->names = nis_getnames ("group.org_dir"); - if (ent->names == NULL || ent->names[0] == NULL) - { - ent->nis = 0; - return NSS_STATUS_UNAVAIL; - } - } - do { if (ent->nis_first) { - next_name: - ent->result = nis_first_entry(ent->names[ent->names_nr]); + ent->result = nis_first_entry(grptable); if (niserr2nss (ent->result->status) != NSS_STATUS_SUCCESS) { ent->nis = 0; @@ -290,27 +288,16 @@ getgrent_next_nisplus (struct group *result, ent_t *ent, char *buffer, { nis_result *res; - res = nis_next_entry(ent->names[ent->names_nr], - &ent->result->cookie); + res = nis_next_entry(grptable, &ent->result->cookie); nis_freeresult (ent->result); ent->result = res; if (niserr2nss (ent->result->status) != NSS_STATUS_SUCCESS) { - if ((ent->result->status == NIS_NOTFOUND) && - ent->names[ent->names_nr + 1] != NULL) - { - nis_freeresult (ent->result); - ent->names_nr += 1; - goto next_name; - } - else - { - ent->nis = 0; - return niserr2nss (ent->result->status); - } + ent->nis = 0; + return niserr2nss (ent->result->status); } } - parse_res = _nss_nisplus_parse_grent (ent->result, result, buffer, + parse_res = _nss_nisplus_parse_grent (ent->result, 0, result, buffer, buflen); if (parse_res && in_blacklist (result->gr_name, strlen (result->gr_name), ent)) @@ -332,11 +319,10 @@ getgrent_next_file_plusgroup (struct group *result, char *buffer, if (use_nisplus) /* Do the NIS+ query here */ { nis_result *res; - char buf[strlen (result->gr_name) + 24]; + char buf[strlen (result->gr_name) + 24 + grptablelen]; - sprintf(buf, "[name=%s],group.org_dir", - &result->gr_name[1]); - res = nis_list(buf, EXPAND_NAME, NULL, NULL); + sprintf(buf, "[name=%s],%s", &result->gr_name[1], grptable); + res = nis_list(buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL); if (niserr2nss (res->status) != NSS_STATUS_SUCCESS) { enum nss_status status = niserr2nss (res->status); @@ -344,7 +330,7 @@ getgrent_next_file_plusgroup (struct group *result, char *buffer, nis_freeresult (res); return status; } - parse_res = _nss_nisplus_parse_grent (res, result, buffer, buflen); + parse_res = _nss_nisplus_parse_grent (res, 0, result, buffer, buflen); nis_freeresult (res); } else /* Use NIS */ @@ -470,12 +456,6 @@ _nss_compat_getgrent_r (struct group *grp, char *buffer, size_t buflen) __libc_lock_lock (lock); - if (ni == NULL) - { - __nss_database_lookup ("group_compat", NULL, "nis", &ni); - use_nisplus = (strcmp (ni->name, "nisplus") == 0); - } - /* Be prepared that the setgrent function was not called before. */ if (ext_ent.stream == NULL) status = internal_setgrent (&ext_ent); @@ -493,7 +473,7 @@ enum nss_status _nss_compat_getgrnam_r (const char *name, struct group *grp, char *buffer, size_t buflen) { - ent_t ent = {0, 0, NULL, 0, NULL, NULL, 0, NULL, {NULL, 0, 0}}; + ent_t ent = {0, 0, NULL, 0, NULL, NULL, {NULL, 0, 0}}; enum nss_status status; if (name[0] == '-' || name[0] == '+') @@ -501,15 +481,10 @@ _nss_compat_getgrnam_r (const char *name, struct group *grp, __libc_lock_lock (lock); - if (ni == NULL) - { - __nss_database_lookup ("group_compat", NULL, "nis", &ni); - use_nisplus = (strcmp (ni->name, "nisplus") == 0); - } + status = internal_setgrent (&ent); __libc_lock_unlock (lock); - status = internal_setgrent (&ent); if (status != NSS_STATUS_SUCCESS) return status; @@ -527,20 +502,15 @@ enum nss_status _nss_compat_getgrgid_r (gid_t gid, struct group *grp, char *buffer, size_t buflen) { - ent_t ent = {0, 0, NULL, 0, NULL, NULL, 0, NULL, {NULL, 0, 0}}; + ent_t ent = {0, 0, NULL, 0, NULL, NULL, {NULL, 0, 0}}; enum nss_status status; __libc_lock_lock (lock); - if (ni == NULL) - { - __nss_database_lookup ("group_compat", NULL, "nis", &ni); - use_nisplus = (strcmp (ni->name, "nisplus") == 0); - } + status = internal_setgrent (&ent); __libc_lock_unlock (lock); - status = internal_setgrent (&ent); if (status != NSS_STATUS_SUCCESS) return status; |