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Diffstat (limited to 'nis/nss_nis/nis-rpc.c')
-rw-r--r--nis/nss_nis/nis-rpc.c279
1 files changed, 0 insertions, 279 deletions
diff --git a/nis/nss_nis/nis-rpc.c b/nis/nss_nis/nis-rpc.c
deleted file mode 100644
index b118e1b01c..0000000000
--- a/nis/nss_nis/nis-rpc.c
+++ /dev/null
@@ -1,279 +0,0 @@
-/* Copyright (C) 1996-2020 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Thorsten Kukuk <kukuk@suse.de>, 1996.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <https://www.gnu.org/licenses/>. */
-
-#include <nss.h>
-#include <netdb.h>
-#include <ctype.h>
-#include <errno.h>
-#include <string.h>
-#include <libc-lock.h>
-#include <rpcsvc/yp.h>
-#include <rpcsvc/ypclnt.h>
-
-#include "nss-nis.h"
-
-/* Get the declaration of the parser function. */
-#define ENTNAME rpcent
-#define EXTERN_PARSER
-#include <nss/nss_files/files-parse.c>
-
-__libc_lock_define_initialized (static, lock)
-
-static intern_t intern;
-
-
-static void
-internal_nis_endrpcent (intern_t *intern)
-{
- struct response_t *curr = intern->next;
-
- while (curr != NULL)
- {
- struct response_t *last = curr;
- curr = curr->next;
- free (last);
- }
-
- intern->next = intern->start = NULL;
-}
-
-static enum nss_status
-internal_nis_setrpcent (intern_t *intern)
-{
- char *domainname;
- struct ypall_callback ypcb;
- enum nss_status status;
-
- if (yp_get_default_domain (&domainname))
- return NSS_STATUS_UNAVAIL;
-
- internal_nis_endrpcent (intern);
-
- ypcb.foreach = _nis_saveit;
- ypcb.data = (char *) intern;
- status = yperr2nss (yp_all (domainname, "rpc.bynumber", &ypcb));
-
- /* Mark the last buffer as full. */
- if (intern->next != NULL)
- intern->next->size = intern->offset;
-
- intern->next = intern->start;
- intern->offset = 0;
-
- return status;
-}
-
-enum nss_status
-_nss_nis_setrpcent (int stayopen)
-{
- enum nss_status status;
-
- __libc_lock_lock (lock);
-
- status = internal_nis_setrpcent (&intern);
-
- __libc_lock_unlock (lock);
-
- return status;
-}
-
-enum nss_status
-_nss_nis_endrpcent (void)
-{
- __libc_lock_lock (lock);
-
- internal_nis_endrpcent (&intern);
-
- __libc_lock_unlock (lock);
-
- return NSS_STATUS_SUCCESS;
-}
-
-static enum nss_status
-internal_nis_getrpcent_r (struct rpcent *rpc, char *buffer, size_t buflen,
- int *errnop, intern_t *intern)
-{
- struct parser_data *pdata = (void *) buffer;
- int parse_res;
- char *p;
-
- if (intern->start == NULL)
- internal_nis_setrpcent (intern);
-
- if (intern->next == NULL)
- /* Not one entry in the map. */
- return NSS_STATUS_NOTFOUND;
-
- /* Get the next entry until we found a correct one. */
- do
- {
- struct response_t *bucket = intern->next;
-
- if (__glibc_unlikely (intern->offset >= bucket->size))
- {
- if (bucket->next == NULL)
- return NSS_STATUS_NOTFOUND;
-
- /* We look at all the content in the current bucket. Go on
- to the next. */
- bucket = intern->next = bucket->next;
- intern->offset = 0;
- }
-
- for (p = &bucket->mem[intern->offset]; isspace (*p); ++p)
- ++intern->offset;
-
- size_t len = strlen (p) + 1;
- if (__glibc_unlikely (len > buflen))
- {
- *errnop = ERANGE;
- return NSS_STATUS_TRYAGAIN;
- }
-
- /* We unfortunately have to copy the data in the user-provided
- buffer because that buffer might be around for a very long
- time and the servent structure must remain valid. If we would
- rely on the BUCKET memory the next 'setservent' or 'endservent'
- call would destroy it.
-
- The important thing is that it is a single NUL-terminated
- string. This is what the parsing routine expects. */
- p = memcpy (buffer, &bucket->mem[intern->offset], len);
-
- parse_res = _nss_files_parse_rpcent (p, rpc, pdata, buflen, errnop);
- if (__glibc_unlikely (parse_res == -1))
- return NSS_STATUS_TRYAGAIN;
-
- intern->offset += len;
- }
- while (!parse_res);
-
- return NSS_STATUS_SUCCESS;
-}
-
-enum nss_status
-_nss_nis_getrpcent_r (struct rpcent *rpc, char *buffer, size_t buflen,
- int *errnop)
-{
- enum nss_status status;
-
- __libc_lock_lock (lock);
-
- status = internal_nis_getrpcent_r (rpc, buffer, buflen, errnop, &intern);
-
- __libc_lock_unlock (lock);
-
- return status;
-}
-
-enum nss_status
-_nss_nis_getrpcbyname_r (const char *name, struct rpcent *rpc,
- char *buffer, size_t buflen, int *errnop)
-{
- if (name == NULL)
- {
- *errnop = EINVAL;
- return NSS_STATUS_UNAVAIL;
- }
-
- intern_t data = { NULL, NULL, 0 };
- enum nss_status status = internal_nis_setrpcent (&data);
- if (__glibc_unlikely (status != NSS_STATUS_SUCCESS))
- return status;
-
- int found = 0;
- while (!found
- && ((status = internal_nis_getrpcent_r (rpc, buffer, buflen, errnop,
- &data)) == NSS_STATUS_SUCCESS))
- {
- if (strcmp (rpc->r_name, name) == 0)
- found = 1;
- else
- {
- int i = 0;
-
- while (rpc->r_aliases[i] != NULL)
- {
- if (strcmp (rpc->r_aliases[i], name) == 0)
- {
- found = 1;
- break;
- }
- else
- ++i;
- }
- }
- }
-
- internal_nis_endrpcent (&data);
-
- if (__glibc_unlikely (!found && status == NSS_STATUS_SUCCESS))
- return NSS_STATUS_NOTFOUND;
-
- return status;
-}
-
-enum nss_status
-_nss_nis_getrpcbynumber_r (int number, struct rpcent *rpc,
- char *buffer, size_t buflen, int *errnop)
-{
- char *domain;
- if (__glibc_unlikely (yp_get_default_domain (&domain)))
- return NSS_STATUS_UNAVAIL;
-
- char buf[32];
- int nlen = snprintf (buf, sizeof (buf), "%d", number);
-
- char *result;
- int len;
- int yperr = yp_match (domain, "rpc.bynumber", buf, nlen, &result, &len);
-
- if (__glibc_unlikely (yperr != YPERR_SUCCESS))
- {
- enum nss_status retval = yperr2nss (yperr);
-
- if (retval == NSS_STATUS_TRYAGAIN)
- *errnop = errno;
- return retval;
- }
-
- if (__glibc_unlikely ((size_t) (len + 1) > buflen))
- {
- free (result);
- *errnop = ERANGE;
- return NSS_STATUS_TRYAGAIN;
- }
-
- char *p = strncpy (buffer, result, len);
- buffer[len] = '\0';
- while (isspace (*p))
- ++p;
- free (result);
-
- int parse_res = _nss_files_parse_rpcent (p, rpc, (void *) buffer, buflen,
- errnop);
- if (__glibc_unlikely (parse_res < 1))
- {
- if (parse_res == -1)
- return NSS_STATUS_TRYAGAIN;
- else
- return NSS_STATUS_NOTFOUND;
- }
- else
- return NSS_STATUS_SUCCESS;
-}
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