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https://sourceware.org/git/glibc.git
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Update.
1998-12-10 Thorsten Kukuk <kukuk@vt.uni-paderborn.de> * nis/nss_compat/compat-pwd.c: fix handling of +/- entries.
This commit is contained in:
Ulrich Drepper
parent
38e1109681
commit
04c216a860
@ -1,3 +1,7 @@
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1998-12-10 Thorsten Kukuk <kukuk@vt.uni-paderborn.de>
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* nis/nss_compat/compat-pwd.c: fix handling of +/- entries.
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1998-12-10 Ulrich Drepper <drepper@cygnus.com>
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* sunrpc/Makefile: Call rpcgen program which -Y parameter so that
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@ -494,7 +494,8 @@ getpwent_next_nis_netgr (const char *name, struct passwd *result, ent_t *ent,
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return NSS_STATUS_TRYAGAIN;
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}
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if (parse_res)
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if (parse_res && !in_blacklist (result->pw_name,
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strlen (result->pw_name), ent))
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{
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/* Store the User in the blacklist for the "+" at the end of
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/etc/passwd */
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@ -590,7 +591,8 @@ getpwent_next_nisplus_netgr (const char *name, struct passwd *result,
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}
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nis_freeresult (nisres);
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if (parse_res)
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if (parse_res && !in_blacklist (result->pw_name,
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strlen (result->pw_name), ent))
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{
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/* Store the User in the blacklist for the "+" at the end of
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/etc/passwd */
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@ -812,8 +814,8 @@ getpwent_next_nis (struct passwd *result, ent_t *ent, char *buffer,
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/* This function handle the +user entrys in /etc/passwd */
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static enum nss_status
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getpwnam_plususer (const char *name, struct passwd *result, char *buffer,
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size_t buflen, int *errnop)
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getpwnam_plususer (const char *name, struct passwd *result, ent_t *ent,
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char *buffer, size_t buflen, int *errnop)
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{
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struct parser_data *data = (void *) buffer;
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struct passwd pwd;
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@ -850,13 +852,20 @@ getpwnam_plususer (const char *name, struct passwd *result, char *buffer,
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}
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parse_res = _nss_nisplus_parse_pwent (res, result, buffer,
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buflen, errnop);
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nis_freeresult (res);
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if (parse_res == -1)
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{
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nis_freeresult (res);
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*errnop = ERANGE;
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return NSS_STATUS_TRYAGAIN;
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}
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nis_freeresult (res);
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if (in_blacklist (result->pw_name, strlen (result->pw_name), ent))
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{
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*errnop = ENOENT;
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return NSS_STATUS_NOTFOUND;
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}
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}
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else /* Use NIS */
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{
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@ -886,13 +895,22 @@ getpwnam_plususer (const char *name, struct passwd *result, char *buffer,
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*errnop = ERANGE;
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return NSS_STATUS_TRYAGAIN;
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}
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ptr = strncpy (buffer, outval, buflen);
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free (outval);
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while (isspace (*ptr))
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ptr++;
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parse_res = _nss_files_parse_pwent (ptr, result, data, buflen, errnop);
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if (parse_res == -1)
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return NSS_STATUS_TRYAGAIN;
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if (in_blacklist (result->pw_name, strlen (result->pw_name), ent))
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{
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*errnop = ENOENT;
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return NSS_STATUS_NOTFOUND;
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}
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}
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if (parse_res > 0)
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@ -989,7 +1007,7 @@ getpwent_next_file (struct passwd *result, ent_t *ent,
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if (result->pw_name[0] == '+' && result->pw_name[1] == '@'
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&& result->pw_name[2] != '\0')
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{
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int status;
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enum nss_status status;
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ent->netgroup = TRUE;
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ent->first = TRUE;
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@ -1025,13 +1043,16 @@ getpwent_next_file (struct passwd *result, ent_t *ent,
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if (result->pw_name[0] == '+' && result->pw_name[1] != '\0'
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&& result->pw_name[1] != '@')
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{
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char buf[strlen (result->pw_name)];
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enum nss_status status;
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/* Store the User in the blacklist for the "+" at the end of
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/etc/passwd */
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blacklist_store_name (&result->pw_name[1], ent);
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status = getpwnam_plususer (&result->pw_name[1], result, buffer,
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buflen, errnop);
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strcpy (buf, &result->pw_name[1]);
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status = getpwnam_plususer (&result->pw_name[1], result, ent,
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buffer, buflen, errnop);
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blacklist_store_name (buf, ent);
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if (status == NSS_STATUS_SUCCESS) /* We found the entry. */
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break;
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else
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@ -1074,7 +1095,7 @@ internal_getpwent_r (struct passwd *pw, ent_t *ent, char *buffer,
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{
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if (ent->netgroup)
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{
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int status;
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enum nss_status status;
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/* We are searching members in a netgroup */
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/* Since this is not the first call, we don't need the group name */
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@ -1191,21 +1212,8 @@ internal_getpwnam_r (const char *name, struct passwd *result, ent_t *ent,
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if (result->pw_name[0] == '-' && result->pw_name[1] == '@'
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&& result->pw_name[2] != '\0')
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{
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/* XXX Do not use fixed length buffers. */
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char buf2[1024];
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char *user, *host, *domain;
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struct __netgrent netgrdata;
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bzero (&netgrdata, sizeof (struct __netgrent));
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__internal_setnetgrent (&result->pw_name[2], &netgrdata);
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while (__internal_getnetgrent_r (&host, &user, &domain, &netgrdata,
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buf2, sizeof (buf2), errnop))
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{
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if (user != NULL && user[0] != '-')
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if (strcmp (user, name) == 0)
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return NSS_STATUS_NOTFOUND;
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}
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__internal_endnetgrent (&netgrdata);
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if (innetgr (&result->pw_name[2], NULL, name, NULL))
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return NSS_STATUS_NOTFOUND;
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continue;
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}
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@ -1213,29 +1221,18 @@ internal_getpwnam_r (const char *name, struct passwd *result, ent_t *ent,
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if (result->pw_name[0] == '+' && result->pw_name[1] == '@'
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&& result->pw_name[2] != '\0')
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{
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char buf[strlen (result->pw_name)];
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int status;
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enum nss_status status;
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strcpy (buf, &result->pw_name[2]);
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ent->netgroup = TRUE;
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ent->first = TRUE;
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copy_pwd_changes (&ent->pwd, result, NULL, 0);
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do
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if (innetgr (&result->pw_name[2], NULL, name, NULL))
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{
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if (use_nisplus)
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status = getpwent_next_nisplus_netgr (name, result, ent, buf,
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buffer, buflen, errnop);
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else
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status = getpwent_next_nis_netgr (name, result, ent, buf,
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buffer, buflen, errnop);
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if (status == NSS_STATUS_RETURN)
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continue;
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status = getpwnam_plususer (name, result, ent, buffer,
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buflen, errnop);
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if (status == NSS_STATUS_SUCCESS &&
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strcmp (result->pw_name, name) == 0)
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return NSS_STATUS_SUCCESS;
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} while (status == NSS_STATUS_SUCCESS);
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if (status == NSS_STATUS_RETURN)
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continue;
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return status;
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}
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continue;
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}
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@ -1260,7 +1257,7 @@ internal_getpwnam_r (const char *name, struct passwd *result, ent_t *ent,
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{
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enum nss_status status;
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status = getpwnam_plususer (name, result, buffer, buflen,
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status = getpwnam_plususer (name, result, ent, buffer, buflen,
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errnop);
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if (status == NSS_STATUS_RETURN)
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/* We couldn't parse the entry */
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@ -1275,7 +1272,8 @@ internal_getpwnam_r (const char *name, struct passwd *result, ent_t *ent,
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{
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enum nss_status status;
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status = getpwnam_plususer (name, result, buffer, buflen, errnop);
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status = getpwnam_plususer (name, result, ent,
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buffer, buflen, errnop);
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if (status == NSS_STATUS_SUCCESS) /* We found the entry. */
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break;
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else
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@ -1326,7 +1324,7 @@ _nss_compat_getpwnam_r (const char *name, struct passwd *pwd,
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/* This function handle the + entry in /etc/passwd for getpwuid */
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static enum nss_status
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getpwuid_plususer (uid_t uid, struct passwd *result, char *buffer,
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size_t buflen, int *errnop)
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size_t buflen, int *errnop)
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{
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struct parser_data *data = (void *) buffer;
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struct passwd pwd;
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@ -1355,19 +1353,19 @@ getpwuid_plususer (uid_t uid, struct passwd *result, char *buffer,
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snprintf(buf, sizeof (buf), "[uid=%d],%s", uid, pwdtable);
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res = nis_list(buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
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if (niserr2nss (res->status) != NSS_STATUS_SUCCESS)
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{
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enum nss_status status = niserr2nss (res->status);
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{
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enum nss_status status = niserr2nss (res->status);
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nis_freeresult (res);
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return status;
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}
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nis_freeresult (res);
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return status;
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}
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if ((parse_res = _nss_nisplus_parse_pwent (res, result, buffer,
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buflen, errnop)) == -1)
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{
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nis_freeresult (res);
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*errnop = ERANGE;
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return NSS_STATUS_TRYAGAIN;
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}
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buflen, errnop)) == -1)
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{
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nis_freeresult (res);
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*errnop = ERANGE;
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return NSS_STATUS_TRYAGAIN;
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}
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nis_freeresult (res);
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}
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else /* Use NIS */
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@ -1377,42 +1375,42 @@ getpwuid_plususer (uid_t uid, struct passwd *result, char *buffer,
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int outvallen;
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if (yp_get_default_domain (&domain) != YPERR_SUCCESS)
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{
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*errnop = errno;
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return NSS_STATUS_TRYAGAIN;
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}
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{
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*errnop = errno;
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return NSS_STATUS_TRYAGAIN;
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}
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sprintf (buf, "%d", uid);
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if (yp_match (domain, "passwd.byuid", buf, strlen (buf),
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&outval, &outvallen)
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!= YPERR_SUCCESS)
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{
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*errnop = errno;
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return NSS_STATUS_TRYAGAIN;
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}
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&outval, &outvallen)
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!= YPERR_SUCCESS)
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{
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*errnop = errno;
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return NSS_STATUS_TRYAGAIN;
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}
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if (insert_passwd_adjunct (&outval, &outvallen, domain, errnop)
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!= NSS_STATUS_SUCCESS)
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{
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free (outval);
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return NSS_STATUS_TRYAGAIN;
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}
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!= NSS_STATUS_SUCCESS)
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{
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free (outval);
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return NSS_STATUS_TRYAGAIN;
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}
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if (buflen < ((size_t) outvallen + 1))
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{
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free (outval);
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*errnop = ERANGE;
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return NSS_STATUS_TRYAGAIN;
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}
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{
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free (outval);
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*errnop = ERANGE;
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return NSS_STATUS_TRYAGAIN;
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}
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ptr = strncpy (buffer, outval, buflen);
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free (outval);
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while (isspace (*ptr))
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ptr++;
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ptr++;
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parse_res = _nss_files_parse_pwent (ptr, result, data, buflen, errnop);
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if (parse_res == -1)
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return NSS_STATUS_TRYAGAIN;
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return NSS_STATUS_TRYAGAIN;
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}
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if (parse_res > 0)
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@ -1434,7 +1432,7 @@ getpwuid_plususer (uid_t uid, struct passwd *result, char *buffer,
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/* Searches in /etc/passwd and the NIS/NIS+ map for a special user id */
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static enum nss_status
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internal_getpwuid_r (uid_t uid, struct passwd *result, ent_t *ent,
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char *buffer, size_t buflen, int *errnop)
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char *buffer, size_t buflen, int *errnop)
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{
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struct parser_data *data = (void *) buffer;
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@ -1445,148 +1443,161 @@ internal_getpwuid_r (uid_t uid, struct passwd *result, ent_t *ent,
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int parse_res;
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do
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{
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fgetpos (ent->stream, &pos);
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buffer[buflen - 1] = '\xff';
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p = fgets (buffer, buflen, ent->stream);
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if (p == NULL && feof (ent->stream))
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return NSS_STATUS_NOTFOUND;
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if (p == NULL || buffer[buflen - 1] != '\xff')
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{
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fsetpos (ent->stream, &pos);
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*errnop = ERANGE;
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return NSS_STATUS_TRYAGAIN;
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}
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{
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fgetpos (ent->stream, &pos);
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buffer[buflen - 1] = '\xff';
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p = fgets (buffer, buflen, ent->stream);
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if (p == NULL && feof (ent->stream))
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return NSS_STATUS_NOTFOUND;
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if (p == NULL || buffer[buflen - 1] != '\xff')
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{
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fsetpos (ent->stream, &pos);
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*errnop = ERANGE;
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return NSS_STATUS_TRYAGAIN;
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}
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/* Terminate the line for any case. */
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buffer[buflen - 1] = '\0';
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/* Terminate the line for any case. */
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buffer[buflen - 1] = '\0';
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/* Skip leading blanks. */
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while (isspace (*p))
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++p;
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}
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/* Skip leading blanks. */
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while (isspace (*p))
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++p;
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}
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while (*p == '\0' || *p == '#' || /* Ignore empty and comment lines. */
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/* Parse the line. If it is invalid, loop to
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get the next line of the file to parse. */
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!(parse_res = _nss_files_parse_pwent (p, result, data, buflen,
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errnop)));
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/* Parse the line. If it is invalid, loop to
|
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get the next line of the file to parse. */
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!(parse_res = _nss_files_parse_pwent (p, result, data, buflen,
|
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errnop)));
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if (parse_res == -1)
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{
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/* The parser ran out of space. */
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fsetpos (ent->stream, &pos);
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*errnop = ERANGE;
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return NSS_STATUS_TRYAGAIN;
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}
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{
|
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/* The parser ran out of space. */
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fsetpos (ent->stream, &pos);
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*errnop = ERANGE;
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return NSS_STATUS_TRYAGAIN;
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}
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/* This is a real entry. */
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if (result->pw_name[0] != '+' && result->pw_name[0] != '-')
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{
|
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if (result->pw_uid == uid)
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return NSS_STATUS_SUCCESS;
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else
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continue;
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}
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{
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if (result->pw_uid == uid)
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return NSS_STATUS_SUCCESS;
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else
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continue;
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}
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/* -@netgroup */
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if (result->pw_name[0] == '-' && result->pw_name[1] == '@'
|
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&& result->pw_name[2] != '\0')
|
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{
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/* XXX Do not use fixed length buffers. */
|
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char buf2[1024];
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char *user, *host, *domain;
|
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struct __netgrent netgrdata;
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&& result->pw_name[2] != '\0')
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{
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char buf[strlen (result->pw_name)];
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enum nss_status status;
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bzero (&netgrdata, sizeof (struct __netgrent));
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__internal_setnetgrent (&result->pw_name[2], &netgrdata);
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while (__internal_getnetgrent_r (&host, &user, &domain, &netgrdata,
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buf2, sizeof (buf2), errnop))
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{
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if (user != NULL && user[0] != '-')
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blacklist_store_name (user, ent);
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}
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__internal_endnetgrent (&netgrdata);
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continue;
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}
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strcpy (buf, &result->pw_name[2]);
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status = getpwuid_plususer (uid, result, buffer, buflen, errnop);
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if (status == NSS_STATUS_SUCCESS &&
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innetgr (buf, NULL, result->pw_name, NULL))
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return NSS_STATUS_NOTFOUND;
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continue;
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}
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/* +@netgroup */
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if (result->pw_name[0] == '+' && result->pw_name[1] == '@'
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&& result->pw_name[2] != '\0')
|
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{
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&& result->pw_name[2] != '\0')
|
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{
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char buf[strlen (result->pw_name)];
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int status;
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enum nss_status status;
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strcpy (buf, &result->pw_name[2]);
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ent->netgroup = TRUE;
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ent->first = TRUE;
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copy_pwd_changes (&ent->pwd, result, NULL, 0);
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do
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status = getpwuid_plususer (uid, result, buffer, buflen, errnop);
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||||
if (status == NSS_STATUS_RETURN)
|
||||
continue;
|
||||
|
||||
if (status == NSS_STATUS_SUCCESS)
|
||||
{
|
||||
if (use_nisplus)
|
||||
status = getpwent_next_nisplus_netgr (NULL, result, ent, buf,
|
||||
buffer, buflen, errnop);
|
||||
else
|
||||
status = getpwent_next_nis_netgr (NULL, result, ent, buf,
|
||||
buffer, buflen, errnop);
|
||||
if (status == NSS_STATUS_RETURN)
|
||||
continue;
|
||||
|
||||
if (status == NSS_STATUS_SUCCESS && uid == result->pw_uid)
|
||||
if (innetgr (buf, NULL, result->pw_name, NULL))
|
||||
return NSS_STATUS_SUCCESS;
|
||||
} while (status == NSS_STATUS_SUCCESS);
|
||||
continue;
|
||||
}
|
||||
else
|
||||
if (status == NSS_STATUS_RETURN) /* We couldn't parse the entry */
|
||||
return NSS_STATUS_NOTFOUND;
|
||||
else
|
||||
return status;
|
||||
|
||||
continue;
|
||||
}
|
||||
|
||||
/* -user */
|
||||
if (result->pw_name[0] == '-' && result->pw_name[1] != '\0'
|
||||
&& result->pw_name[1] != '@')
|
||||
{
|
||||
blacklist_store_name (&result->pw_name[1], ent);
|
||||
&& result->pw_name[1] != '@')
|
||||
{
|
||||
char buf[strlen (result->pw_name)];
|
||||
enum nss_status status;
|
||||
|
||||
strcpy (buf, &result->pw_name[1]);
|
||||
|
||||
status = getpwuid_plususer (uid, result, buffer, buflen, errnop);
|
||||
if (status == NSS_STATUS_SUCCESS &&
|
||||
innetgr (buf, NULL, result->pw_name, NULL))
|
||||
return NSS_STATUS_NOTFOUND;
|
||||
continue;
|
||||
}
|
||||
}
|
||||
|
||||
/* +user */
|
||||
if (result->pw_name[0] == '+' && result->pw_name[1] != '\0'
|
||||
&& result->pw_name[1] != '@')
|
||||
{
|
||||
&& result->pw_name[1] != '@')
|
||||
{
|
||||
char buf[strlen (result->pw_name)];
|
||||
enum nss_status status;
|
||||
|
||||
/* Store the User in the blacklist for the "+" at the end of
|
||||
/etc/passwd */
|
||||
blacklist_store_name (&result->pw_name[1], ent);
|
||||
status = getpwnam_plususer (&result->pw_name[1], result, buffer,
|
||||
buflen, errnop);
|
||||
if (status == NSS_STATUS_SUCCESS && result->pw_uid == uid)
|
||||
break;
|
||||
else
|
||||
strcpy (buf, &result->pw_name[1]);
|
||||
|
||||
status = getpwuid_plususer (uid, result, buffer, buflen, errnop);
|
||||
|
||||
if (status == NSS_STATUS_RETURN)
|
||||
continue;
|
||||
}
|
||||
|
||||
if (status == NSS_STATUS_SUCCESS)
|
||||
{
|
||||
if (strcmp (buf, result->pw_name) == 0)
|
||||
return NSS_STATUS_SUCCESS;
|
||||
}
|
||||
else
|
||||
if (status == NSS_STATUS_RETURN) /* We couldn't parse the entry */
|
||||
return NSS_STATUS_NOTFOUND;
|
||||
else
|
||||
return status;
|
||||
|
||||
continue;
|
||||
}
|
||||
|
||||
/* +:... */
|
||||
if (result->pw_name[0] == '+' && result->pw_name[1] == '\0')
|
||||
{
|
||||
enum nss_status status;
|
||||
{
|
||||
enum nss_status status;
|
||||
|
||||
status = getpwuid_plususer (uid, result, buffer, buflen, errnop);
|
||||
if (status == NSS_STATUS_SUCCESS) /* We found the entry. */
|
||||
break;
|
||||
else
|
||||
if (status == NSS_STATUS_RETURN) /* We couldn't parse the entry */
|
||||
return NSS_STATUS_NOTFOUND;
|
||||
else
|
||||
return status;
|
||||
}
|
||||
status = getpwuid_plususer (uid, result, buffer, buflen, errnop);
|
||||
if (status == NSS_STATUS_SUCCESS) /* We found the entry. */
|
||||
break;
|
||||
else
|
||||
if (status == NSS_STATUS_RETURN) /* We couldn't parse the entry */
|
||||
return NSS_STATUS_NOTFOUND;
|
||||
else
|
||||
return status;
|
||||
}
|
||||
}
|
||||
return NSS_STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
enum nss_status
|
||||
_nss_compat_getpwuid_r (uid_t uid, struct passwd *pwd,
|
||||
char *buffer, size_t buflen, int *errnop)
|
||||
char *buffer, size_t buflen, int *errnop)
|
||||
{
|
||||
ent_t ent = {0, 0, 0, NULL, 0, NULL, NULL, {NULL, 0, 0},
|
||||
{NULL, NULL, 0, 0, NULL, NULL, NULL}};
|
||||
{NULL, NULL, 0, 0, NULL, NULL, NULL}};
|
||||
enum nss_status status;
|
||||
|
||||
__libc_lock_lock (lock);
|
||||
|
||||
@ -42,11 +42,6 @@
|
||||
{ -1, -1, "\\(^*ab\\)", "^*ab", },
|
||||
{ -1, -1, "\\(^*b\\)", "a*b", },
|
||||
{ -1, -1, "\\(^*b\\)", "^*b", },
|
||||
{ 0, 0, "GA113(2)", NULL, },
|
||||
{ -1, -1, "\\(^*ab\\)", "*ab", },
|
||||
{ -1, -1, "\\(^*ab\\)", "^*ab", },
|
||||
{ 1, 1, "\\(^*b\\)", "b", },
|
||||
{ 1, 3, "\\(^*b\\)", "^^b", },
|
||||
{ 0, 0, "GA114", NULL, },
|
||||
{ 1, 3, "a^b", "a^b", },
|
||||
{ 1, 3, "a\\^b", "a^b", },
|
||||
@ -275,11 +270,6 @@
|
||||
{ 1, 1, "\\(^^\\)", "^^", },
|
||||
{ 1, 3, "\\(^abc\\)", "abcdef", },
|
||||
{ -1, -1, "\\(^def\\)", "abcdef", },
|
||||
{ 0, 0, "GA145(2)", NULL, },
|
||||
{ -1, -1, "\\(^a\\)\\1", "aabc", },
|
||||
{ 1, 4, "\\(^a\\)\\1", "^a^abc", },
|
||||
{ -1, -1, "\\(^^a\\)", "^a", },
|
||||
{ 1, 2, "\\(^^\\)", "^^", },
|
||||
{ 0, 0, "GA146", NULL, },
|
||||
{ 3, 3, "a$", "cba", },
|
||||
{ -1, -1, "a$", "abc", },
|
||||
@ -295,11 +285,6 @@
|
||||
{ 1, 2, "\\(ab$\\)", "ab", },
|
||||
{ 4, 6, "\\(def$\\)", "abcdef", },
|
||||
{ -1, -1, "\\(abc$\\)", "abcdef", },
|
||||
{ 0, 0, "GA147(2)", NULL, },
|
||||
{ -1, -1, "\\(a$\\)\\1", "bcaa", },
|
||||
{ 2, 5, "\\(a$\\)\\1", "ba$a$", },
|
||||
{ -1, -1, "\\(ab$\\)", "ab", },
|
||||
{ 1, 3, "\\(ab$\\)", "ab$", },
|
||||
{ 0, 0, "GA148", NULL, },
|
||||
{ 0, 0, "^$", "", },
|
||||
{ 1, 3, "^abc$", "abc", },
|
||||
|
||||
@ -39,7 +39,7 @@
|
||||
{0, "a[b-d]", "aac"},
|
||||
{0, "a[-b]", "a-"},
|
||||
{0, "a[b-]", "a-"},
|
||||
{1, "a[b-a]", "-"},
|
||||
{2, "a[b-a]", "-"},
|
||||
{2, "a[]b", "-"},
|
||||
{2, "a[", "-"},
|
||||
{0, "a]", "a]"},
|
||||
|
||||
Loading…
Reference in New Issue
Block a user