-/* Copyright (C) 1996 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2014 Free Software Foundation, Inc.
This file is part of the GNU C Library.
- Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1996.
+ 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 Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
+ 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
- Library General Public License for more details.
+ Lesser General Public License for more details.
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If not,
- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
#include <nss.h>
#include <netdb.h>
#include <ctype.h>
#include <errno.h>
#include <string.h>
-#include <libc-lock.h>
+#include <bits/libc-lock.h>
#include <rpcsvc/yp.h>
#include <rpcsvc/ypclnt.h>
#include "nss-nis.h"
+/* Get the declaration of the parser function. */
+#define ENTNAME protoent
+#define EXTERN_PARSER
+#include <nss/nss_files/files-parse.c>
+
__libc_lock_define_initialized (static, lock)
-static bool_t new_start = 1;
-static char *oldkey = NULL;
-static int oldkeylen = 0;
+struct response
+{
+ struct response *next;
+ char val[0];
+};
+
+static struct response *start;
+static struct response *next;
-enum nss_status
-_nss_nis_setprotoent (void)
+static int
+saveit (int instatus, char *inkey, int inkeylen, char *inval,
+ int invallen, char *indata)
{
- __libc_lock_lock (lock);
+ if (instatus != YP_TRUE)
+ return 1;
+
+ if (inkey && inkeylen > 0 && inval && invallen > 0)
+ {
+ struct response *newp = malloc (sizeof (struct response) + invallen + 1);
+ if (newp == NULL)
+ return 1; /* We have no error code for out of memory */
- new_start = 1;
- if (oldkey != NULL)
+ if (start == NULL)
+ start = newp;
+ else
+ next->next = newp;
+ next = newp;
+
+ newp->next = NULL;
+ *((char *) mempcpy (newp->val, inval, invallen)) = '\0';
+ }
+
+ return 0;
+}
+
+static void
+internal_nis_endprotoent (void)
+{
+ while (start != NULL)
{
- free (oldkey);
- oldkey = NULL;
- oldkeylen = 0;
+ next = start;
+ start = start->next;
+ free (next);
}
+}
+
+static enum nss_status
+internal_nis_setprotoent (void)
+{
+ char *domainname;
+ struct ypall_callback ypcb;
+ enum nss_status status;
+
+ yp_get_default_domain (&domainname);
+
+ internal_nis_endprotoent ();
+
+ ypcb.foreach = saveit;
+ ypcb.data = NULL;
+ status = yperr2nss (yp_all (domainname, "protocols.bynumber", &ypcb));
+ next = start;
+
+ return status;
+}
+
+enum nss_status
+_nss_nis_setprotoent (int stayopen)
+{
+ enum nss_status status;
+
+ __libc_lock_lock (lock);
+
+ status = internal_nis_setprotoent ();
__libc_lock_unlock (lock);
- return NSS_STATUS_SUCCESS;
+ return status;
}
enum nss_status
{
__libc_lock_lock (lock);
- new_start = 1;
- if (oldkey != NULL)
- {
- free (oldkey);
- oldkey = NULL;
- oldkeylen = 0;
- }
+ internal_nis_endprotoent ();
+ next = NULL;
__libc_lock_unlock (lock);
static enum nss_status
internal_nis_getprotoent_r (struct protoent *proto,
- char *buffer, size_t buflen)
+ char *buffer, size_t buflen, int *errnop)
{
- char *domain, *result, *outkey;
- int len, keylen, parse_res;
+ struct parser_data *data = (void *) buffer;
+ int parse_res;
- if (yp_get_default_domain (&domain))
- return NSS_STATUS_UNAVAIL;
+ if (start == NULL)
+ internal_nis_setprotoent ();
/* Get the next entry until we found a correct one. */
do
{
- enum nss_status retval;
char *p;
- if (new_start)
- retval = yperr2nss (yp_first (domain, "protocols.bynumber",
- &outkey, &keylen, &result, &len));
- else
- retval = yperr2nss ( yp_next (domain, "protocols.bynumber",
- oldkey, oldkeylen,
- &outkey, &keylen, &result, &len));
-
- if (retval != NSS_STATUS_SUCCESS)
- {
- if (retval == NSS_STATUS_TRYAGAIN)
- __set_errno (EAGAIN);
- return retval;
- }
-
- if (len + 1 > buflen)
- {
- free (result);
- __set_errno (ERANGE);
- return NSS_STATUS_TRYAGAIN;
- }
-
- p = strncpy (buffer, result, len);
- buffer[len] = '\0';
+ if (next == NULL)
+ return NSS_STATUS_NOTFOUND;
+
+ p = strncpy (buffer, next->val, buflen);
+
while (isspace (*p))
++p;
- free (result);
- parse_res = _nss_files_parse_protoent (p, proto, buffer, buflen);
- if (!parse_res && errno == ERANGE)
+ parse_res = _nss_files_parse_protoent (p, proto, data, buflen, errnop);
+ if (parse_res == -1)
return NSS_STATUS_TRYAGAIN;
-
- free (oldkey);
- oldkey = outkey;
- oldkeylen = keylen;
- new_start = 0;
+ next = next->next;
}
while (!parse_res);
}
enum nss_status
-_nss_nis_getprotoent_r (struct protoent *proto, char *buffer, size_t buflen)
+_nss_nis_getprotoent_r (struct protoent *proto, char *buffer, size_t buflen,
+ int *errnop)
{
enum nss_status status;
__libc_lock_lock (lock);
- status = internal_nis_getprotoent_r (proto, buffer, buflen);
+ status = internal_nis_getprotoent_r (proto, buffer, buflen, errnop);
__libc_lock_unlock (lock);
enum nss_status
_nss_nis_getprotobyname_r (const char *name, struct protoent *proto,
- char *buffer, size_t buflen)
+ char *buffer, size_t buflen, int *errnop)
{
- enum nss_status retval;
- char *domain, *result, *p;
- int len, parse_res;
-
if (name == NULL)
{
- __set_errno (EINVAL);
+ *errnop = EINVAL;
return NSS_STATUS_UNAVAIL;
}
- if (yp_get_default_domain (&domain))
+ char *domain;
+ if (__builtin_expect (yp_get_default_domain (&domain), 0))
return NSS_STATUS_UNAVAIL;
- retval = yperr2nss (yp_match (domain, "protocols.byname", name,
- strlen (name), &result, &len));
+ char *result;
+ int len;
+ int yperr = yp_match (domain, "protocols.byname", name, strlen (name),
+ &result, &len);
- if (retval != NSS_STATUS_SUCCESS)
+ if (__builtin_expect (yperr != YPERR_SUCCESS, 0))
{
+ enum nss_status retval = yperr2nss (yperr);
+
if (retval == NSS_STATUS_TRYAGAIN)
- __set_errno (EAGAIN);
+ *errnop = errno;
return retval;
}
- if (len + 1 > buflen)
+ if (__builtin_expect ((size_t) (len + 1) > buflen, 0))
{
free (result);
- __set_errno (ERANGE);
+ *errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
- p = strncpy (buffer, result, len);
+ char *p = strncpy (buffer, result, len);
buffer[len] = '\0';
while (isspace (*p))
++p;
free (result);
- parse_res = _nss_files_parse_protoent (p, proto, buffer, buflen);
-
- if (!parse_res)
+ int parse_res = _nss_files_parse_protoent (p, proto, (void *) buffer, buflen,
+ errnop);
+ if (__builtin_expect (parse_res < 1, 0))
{
- if (errno == ERANGE)
- return NSS_STATUS_TRYAGAIN;
+ if (parse_res == -1)
+ return NSS_STATUS_TRYAGAIN;
else
- return NSS_STATUS_NOTFOUND;
+ return NSS_STATUS_NOTFOUND;
}
- else
- return NSS_STATUS_SUCCESS;
+ return NSS_STATUS_SUCCESS;
}
enum nss_status
_nss_nis_getprotobynumber_r (int number, struct protoent *proto,
- char *buffer, size_t buflen)
+ char *buffer, size_t buflen, int *errnop)
{
- enum nss_status retval;
- char *domain, *result, *p;
- int len, nlen, parse_res;
- char buf[32];
-
- if (yp_get_default_domain (&domain))
+ char *domain;
+ if (__builtin_expect (yp_get_default_domain (&domain), 0))
return NSS_STATUS_UNAVAIL;
- nlen = sprintf (buf, "%d", number);
+ char buf[32];
+ int nlen = snprintf (buf, sizeof (buf), "%d", number);
- retval = yperr2nss (yp_match (domain, "protocols.bynumber", buf,
- nlen, &result, &len));
+ char *result;
+ int len;
+ int yperr = yp_match (domain, "protocols.bynumber", buf, nlen, &result,
+ &len);
- if (retval != NSS_STATUS_SUCCESS)
+ if (__builtin_expect (yperr != YPERR_SUCCESS, 0))
{
+ enum nss_status retval = yperr2nss (yperr);
+
if (retval == NSS_STATUS_TRYAGAIN)
- __set_errno (EAGAIN);
+ *errnop = errno;
return retval;
}
- if (len + 1 > buflen)
+ if (__builtin_expect ((size_t) (len + 1) > buflen, 0))
{
free (result);
- __set_errno (ERANGE);
+ *errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
- p = strncpy (buffer, result, len);
+ char *p = strncpy (buffer, result, len);
buffer[len] = '\0';
while (isspace (*p))
++p;
free (result);
- parse_res = _nss_files_parse_protoent (p, proto, buffer, buflen);
-
- if (!parse_res)
+ int parse_res = _nss_files_parse_protoent (p, proto, (void *) buffer, buflen,
+ errnop);
+ if (__builtin_expect (parse_res < 1, 0))
{
- if (errno == ERANGE)
- return NSS_STATUS_TRYAGAIN;
+ if (parse_res == -1)
+ return NSS_STATUS_TRYAGAIN;
else
- return NSS_STATUS_NOTFOUND;
+ return NSS_STATUS_NOTFOUND;
}
- else
- return NSS_STATUS_SUCCESS;
+ return NSS_STATUS_SUCCESS;
}
projects / thirdparty / glibc.git / blobdiff