diff options
Diffstat (limited to 'nis/nss_nis/nis-rpc.c')
| -rw-r--r-- | nis/nss_nis/nis-rpc.c | 279 |
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; -} |