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-rw-r--r--nis/nss_nisplus/nisplus-alias.c23
-rw-r--r--nis/nss_nisplus/nisplus-ethers.c75
-rw-r--r--nis/nss_nisplus/nisplus-grp.c22
-rw-r--r--nis/nss_nisplus/nisplus-hosts.c79
-rw-r--r--nis/nss_nisplus/nisplus-netgrp.c2
-rw-r--r--nis/nss_nisplus/nisplus-network.c45
-rw-r--r--nis/nss_nisplus/nisplus-parser.c6
-rw-r--r--nis/nss_nisplus/nisplus-proto.c45
-rw-r--r--nis/nss_nisplus/nisplus-pwd.c42
-rw-r--r--nis/nss_nisplus/nisplus-rpc.c41
-rw-r--r--nis/nss_nisplus/nisplus-service.c43
-rw-r--r--nis/nss_nisplus/nisplus-spwd.c33
12 files changed, 281 insertions, 175 deletions
diff --git a/nis/nss_nisplus/nisplus-alias.c b/nis/nss_nisplus/nisplus-alias.c
index 660ba3c34a..0a16b3890f 100644
--- a/nis/nss_nisplus/nisplus-alias.c
+++ b/nis/nss_nisplus/nisplus-alias.c
@@ -87,7 +87,7 @@ _nss_nisplus_parse_aliasent (nis_result *result, unsigned long entry,
/* The line is too long for our buffer. */
no_more_room:
__set_errno (ERANGE);
- return 0;
+ return -1;
}
else
{
@@ -214,8 +214,10 @@ internal_nisplus_getaliasent_r (struct aliasent *alias,
if (next_entry >= result->objects.objects_len)
return NSS_STATUS_NOTFOUND;
- parse_res = _nss_nisplus_parse_aliasent (result, next_entry, alias,
- buffer, buflen);
+ if ((parse_res = _nss_nisplus_parse_aliasent (result, next_entry, alias,
+ buffer, buflen)) == -1)
+ return NSS_STATUS_TRYAGAIN;
+
++next_entry;
} while (!parse_res);
@@ -247,9 +249,7 @@ _nss_nisplus_getaliasbyname_r (const char *name, struct aliasent *alias,
if (_nss_create_tablename() != NSS_STATUS_SUCCESS)
return NSS_STATUS_UNAVAIL;
- if (name == NULL || strlen(name) > 8)
- return NSS_STATUS_NOTFOUND;
- else
+ if (name != NULL || strlen(name) <= 8)
{
nis_result *result;
char buf[strlen (name) + 30 + tablename_len];
@@ -261,15 +261,12 @@ _nss_nisplus_getaliasbyname_r (const char *name, struct aliasent *alias,
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
return niserr2nss (result->status);
- parse_res = _nss_nisplus_parse_aliasent (result, 0, alias,
- buffer, buflen);
+ if ((parse_res = _nss_nisplus_parse_aliasent (result, 0, alias,
+ buffer, buflen)) == -1)
+ return NSS_STATUS_TRYAGAIN;
if (parse_res)
return NSS_STATUS_SUCCESS;
-
- if (!parse_res && errno == ERANGE)
- return NSS_STATUS_TRYAGAIN;
- else
- return NSS_STATUS_NOTFOUND;
}
+ return NSS_STATUS_NOTFOUND;
}
diff --git a/nis/nss_nisplus/nisplus-ethers.c b/nis/nss_nisplus/nisplus-ethers.c
index 7c07833ef4..d7c3720932 100644
--- a/nis/nss_nisplus/nisplus-ethers.c
+++ b/nis/nss_nisplus/nisplus-ethers.c
@@ -74,7 +74,7 @@ _nss_nisplus_parse_etherent (nis_result *result, struct etherent *ether,
if (NISENTRYLEN (0, 0, result) +1 > room_left)
{
__set_errno (ERANGE);
- return 0;
+ return -1;
}
strncpy (p, NISENTRYVAL (0, 0, result), NISENTRYLEN (0, 0, result));
room_left -= (NISENTRYLEN (0, 0, result) +1);
@@ -152,8 +152,11 @@ internal_nisplus_getetherent_r (struct etherent *ether, char *buffer,
/* Get the next entry until we found a correct one. */
do
{
+ nis_result *saved_result;
+
if (result == NULL)
{
+ saved_result = NULL;
result = nis_first_entry(tablename_val);
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
return niserr2nss (result->status);
@@ -163,13 +166,28 @@ internal_nisplus_getetherent_r (struct etherent *ether, char *buffer,
nis_result *res2;
res2 = nis_next_entry(tablename_val, &result->cookie);
- nis_freeresult (result);
+ saved_result = result;
result = res2;
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
- return niserr2nss (result->status);
+ {
+ nis_freeresult (saved_result);
+ return niserr2nss (result->status);
+ }
}
- parse_res = _nss_nisplus_parse_etherent (result, ether, buffer, buflen);
+ if ((parse_res = _nss_nisplus_parse_etherent (result, ether, buffer,
+ buflen)) == -1)
+ {
+ nis_freeresult (result);
+ result = saved_result;
+ return NSS_STATUS_TRYAGAIN;
+ }
+ else
+ {
+ if (saved_result != NULL)
+ nis_freeresult (saved_result);
+ }
+
} while (!parse_res);
return NSS_STATUS_SUCCESS;
@@ -200,9 +218,7 @@ _nss_nisplus_gethostton_r (const char *name, struct etherent *eth,
if (_nss_create_tablename () != NSS_STATUS_SUCCESS)
return NSS_STATUS_UNAVAIL;
- if (name == NULL)
- return NSS_STATUS_NOTFOUND;
- else
+ if (name != NULL)
{
nis_result *result;
char buf[strlen (name) + 40 + tablename_len];
@@ -212,18 +228,23 @@ _nss_nisplus_gethostton_r (const char *name, struct etherent *eth,
result = nis_list(buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
- return niserr2nss (result->status);
-
- parse_res = _nss_nisplus_parse_etherent (result, eth, buffer, buflen);
-
+ {
+ enum nss_status status = niserr2nss (result->status);
+ nis_freeresult (result);
+ return status;
+ }
+
+ if ((parse_res = _nss_nisplus_parse_etherent (result, eth, buffer,
+ buflen)) == -1)
+ {
+ nis_freeresult (result);
+ return NSS_STATUS_TRYAGAIN;
+ }
+
if (parse_res)
return NSS_STATUS_SUCCESS;
-
- if (!parse_res && errno == ERANGE)
- return NSS_STATUS_TRYAGAIN;
- else
- return NSS_STATUS_NOTFOUND;
}
+ return NSS_STATUS_NOTFOUND;
}
enum nss_status
@@ -255,16 +276,22 @@ _nss_nisplus_getntohost_r (const struct ether_addr *addr,
result = nis_list(buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
- return niserr2nss (result->status);
-
- parse_res = _nss_nisplus_parse_etherent (result, eth, buffer, buflen);
+ {
+ enum nss_status status = niserr2nss (result->status);
+ nis_freeresult (result);
+ return status;
+ }
+ if ((parse_res = _nss_nisplus_parse_etherent (result, eth, buffer,
+ buflen)) == -1)
+ {
+ nis_freeresult (result);
+ return NSS_STATUS_TRYAGAIN;
+ }
+
if (parse_res)
return NSS_STATUS_SUCCESS;
-
- if (!parse_res && errno == ERANGE)
- return NSS_STATUS_TRYAGAIN;
- else
- return NSS_STATUS_NOTFOUND;
}
+ return NSS_STATUS_NOTFOUND;
}
+
diff --git a/nis/nss_nisplus/nisplus-grp.c b/nis/nss_nisplus/nisplus-grp.c
index f759f61ca0..08e9e040fe 100644
--- a/nis/nss_nisplus/nisplus-grp.c
+++ b/nis/nss_nisplus/nisplus-grp.c
@@ -117,8 +117,10 @@ internal_nisplus_getgrent_r (struct group *gr, char *buffer, size_t buflen)
if (next_entry >= result->objects.objects_len)
return NSS_STATUS_NOTFOUND;
- parse_res = _nss_nisplus_parse_grent (result, next_entry, gr,
- buffer, buflen);
+ if ((parse_res = _nss_nisplus_parse_grent (result, next_entry, gr,
+ buffer, buflen)) == -1)
+ return NSS_STATUS_TRYAGAIN;
+
++next_entry;
}
while (!parse_res);
@@ -170,16 +172,14 @@ _nss_nisplus_getgrnam_r (const char *name, struct group *gr,
}
parse_res = _nss_nisplus_parse_grent (result, 0, gr, buffer, buflen);
-
nis_freeresult (result);
+ if (parse_res == -1)
+ return NSS_STATUS_TRYAGAIN;
if (parse_res)
return NSS_STATUS_SUCCESS;
- if (!parse_res && errno == ERANGE)
- return NSS_STATUS_TRYAGAIN;
- else
- return NSS_STATUS_NOTFOUND;
+ return NSS_STATUS_NOTFOUND;
}
}
@@ -212,12 +212,12 @@ _nss_nisplus_getgrgid_r (const gid_t gid, struct group *gr,
nis_freeresult (result);
+ if (parse_res == -1)
+ return NSS_STATUS_TRYAGAIN;
+
if (parse_res)
return NSS_STATUS_SUCCESS;
- if (!parse_res && errno == ERANGE)
- return NSS_STATUS_TRYAGAIN;
- else
- return NSS_STATUS_NOTFOUND;
+ return NSS_STATUS_NOTFOUND;
}
}
diff --git a/nis/nss_nisplus/nisplus-hosts.c b/nis/nss_nisplus/nisplus-hosts.c
index d4dda5964e..10f939e341 100644
--- a/nis/nss_nisplus/nisplus-hosts.c
+++ b/nis/nss_nisplus/nisplus-hosts.c
@@ -66,8 +66,9 @@ _nss_nisplus_parse_hostent (nis_result *result, int af, struct hostent *host,
if (room_left < NISENTRYLEN (0, 2, result) + 1)
{
+ no_more_room:
__set_errno (ERANGE);
- return 0;
+ return -1;
}
data = first_unused;
@@ -96,10 +97,8 @@ _nss_nisplus_parse_hostent (nis_result *result, int af, struct hostent *host,
room_left-=host->h_length;
if (NISENTRYLEN (0, 0, result) + 1 > room_left)
- {
- __set_errno (ERANGE);
- return 0;
- }
+ goto no_more_room;
+
p = stpncpy (first_unused, NISENTRYVAL (0, 0, result),
NISENTRYLEN (0, 0, result));
*p = '\0';
@@ -114,10 +113,8 @@ _nss_nisplus_parse_hostent (nis_result *result, int af, struct hostent *host,
if (strcmp (NISENTRYVAL (i, 1, result), host->h_name) != 0)
{
if (NISENTRYLEN (i, 1, result) + 2 > room_left)
- {
- __set_errno (ERANGE);
- return 0;
- }
+ goto no_more_room;
+
*p++ = ' ';
p = stpncpy (p, NISENTRYVAL (i, 1, result),
NISENTRYLEN (i, 1, result));
@@ -133,10 +130,8 @@ _nss_nisplus_parse_hostent (nis_result *result, int af, struct hostent *host,
first_unused -= ((first_unused - (char *) 0) % __alignof__ (char *));
host->h_addr_list = (char **) first_unused;
if (room_left < 2 * sizeof (char *))
- {
- __set_errno (ERANGE);
- return 0;
- }
+ goto no_more_room;
+
room_left -= (2 * sizeof (char *));
host->h_addr_list[0] = data;
host->h_addr_list[1] = NULL;
@@ -154,10 +149,7 @@ _nss_nisplus_parse_hostent (nis_result *result, int af, struct hostent *host,
break;
if (room_left < sizeof (char *))
- {
- __set_errno (ERANGE);
- return 0;
- }
+ goto no_more_room;
room_left -= sizeof (char *);
host->h_aliases[i] = line;
@@ -174,9 +166,7 @@ _nss_nisplus_parse_hostent (nis_result *result, int af, struct hostent *host,
else
host->h_aliases[i+1] = NULL;
}
-
return 1;
-
}
static enum nss_status
@@ -240,8 +230,11 @@ internal_nisplus_gethostent_r (struct hostent *host, char *buffer,
/* Get the next entry until we found a correct one. */
do
{
+ nis_result *saved_res;
+
if (result == NULL)
{
+ saved_res = NULL;
if (tablename_val == NULL)
if (_nss_create_tablename() != NSS_STATUS_SUCCESS)
return NSS_STATUS_UNAVAIL;
@@ -249,9 +242,7 @@ internal_nisplus_gethostent_r (struct hostent *host, char *buffer,
result = nis_first_entry(tablename_val);
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
{
- int retval;
-
- retval = niserr2nss (result->status);
+ enum nss_status retval = niserr2nss (result->status);
if (retval == NSS_STATUS_TRYAGAIN)
{
*herrnop = NETDB_INTERNAL;
@@ -259,20 +250,21 @@ internal_nisplus_gethostent_r (struct hostent *host, char *buffer,
}
return retval;
}
-
+
}
else
{
nis_result *res2;
-
+
+ saved_res = result;
res2 = nis_next_entry(tablename_val, &result->cookie);
- nis_freeresult (result);
result = res2;
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
{
- int retval;
+ enum nss_status retval= niserr2nss (result->status);
- retval = niserr2nss (result->status);
+ nis_freeresult (result);
+ result = saved_res;
if (retval == NSS_STATUS_TRYAGAIN)
{
*herrnop = NETDB_INTERNAL;
@@ -281,20 +273,24 @@ internal_nisplus_gethostent_r (struct hostent *host, char *buffer,
return retval;
}
}
-
+
parse_res = _nss_nisplus_parse_hostent (result, AF_INET6,
host, buffer, buflen);
- if (!parse_res && errno != ERANGE)
+ if (parse_res < 1 && errno != ERANGE)
parse_res = _nss_nisplus_parse_hostent (result, AF_INET, host,
buffer, buflen);
- if (!parse_res && errno == ERANGE)
+ if (parse_res < 1 && errno == ERANGE)
{
+ nis_freeresult (result);
+ result = saved_res;
*herrnop = NETDB_INTERNAL;
return NSS_STATUS_TRYAGAIN;
}
-
+ if (saved_res != NULL)
+ nis_freeresult (saved_res);
+
} while (!parse_res);
-
+
return NSS_STATUS_SUCCESS;
}
@@ -353,10 +349,10 @@ _nss_nisplus_gethostbyname2_r (const char *name, int af, struct hostent *host,
else
sprintf(buf, "[cname=%s],%s", NISENTRYVAL(0, 0, result),
tablename_val);
-
+
nis_freeresult (result);
result = nis_list(buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
-
+
retval = niserr2nss (result->status);
if (retval != NSS_STATUS_SUCCESS)
{
@@ -373,12 +369,12 @@ _nss_nisplus_gethostbyname2_r (const char *name, int af, struct hostent *host,
_nss_nisplus_parse_hostent (result, af, host, buffer, buflen);
nis_freeresult (result);
-
- if (parse_res)
+
+ if (parse_res > 0)
return NSS_STATUS_SUCCESS;
*herrnop = NETDB_INTERNAL;
- if (!parse_res && errno == ERANGE)
+ if (parse_res == -1)
return NSS_STATUS_TRYAGAIN;
else
return NSS_STATUS_NOTFOUND;
@@ -438,14 +434,13 @@ _nss_nisplus_gethostbyaddr_r (const char *addr, int addrlen, int type,
parse_res = _nss_nisplus_parse_hostent (result, type, host,
buffer, buflen);
-
nis_freeresult (result);
-
- if (parse_res)
+
+ if (parse_res > 0)
return NSS_STATUS_SUCCESS;
-
+
*herrnop = NETDB_INTERNAL;
- if (!parse_res && errno == ERANGE)
+ if (parse_res == -1)
return NSS_STATUS_TRYAGAIN;
else
return NSS_STATUS_NOTFOUND;
diff --git a/nis/nss_nisplus/nisplus-netgrp.c b/nis/nss_nisplus/nisplus-netgrp.c
index 670d0bb4ed..9c38539de8 100644
--- a/nis/nss_nisplus/nisplus-netgrp.c
+++ b/nis/nss_nisplus/nisplus-netgrp.c
@@ -80,7 +80,7 @@ _nss_nisplus_parse_netgroup (struct __netgrent *result, char *buffer,
NISENTRYLEN (position, 4, data) + 6 > buflen)
{
__set_errno (ERANGE);
- status = NSS_STATUS_UNAVAIL;
+ status = NSS_STATUS_TRYAGAIN;
}
else
{
diff --git a/nis/nss_nisplus/nisplus-network.c b/nis/nss_nisplus/nisplus-network.c
index 183722633f..57362dba78 100644
--- a/nis/nss_nisplus/nisplus-network.c
+++ b/nis/nss_nisplus/nisplus-network.c
@@ -66,7 +66,7 @@ _nss_nisplus_parse_netent (nis_result *result, struct netent *network,
/* The line is too long for our buffer. */
no_more_room:
__set_errno (ERANGE);
- return 0;
+ return -1;
}
strncpy (first_unused, NISENTRYVAL(0, 0, result),
@@ -85,10 +85,8 @@ _nss_nisplus_parse_netent (nis_result *result, struct netent *network,
if (strcmp (NISENTRYVAL (i, 1, result), network->n_name) != 0)
{
if (NISENTRYLEN (i, 1, result) + 2 > room_left)
- {
- __set_errno (ERANGE);
- return 0;
- }
+ goto no_more_room;
+
*p++ = ' ';
p = stpncpy (p, NISENTRYVAL (i, 1, result),
NISENTRYLEN (i, 1, result));
@@ -120,10 +118,7 @@ _nss_nisplus_parse_netent (nis_result *result, struct netent *network,
break;
if (room_left < sizeof (char *))
- {
- __set_errno (ERANGE);
- return 0;
- }
+ goto no_more_room;
room_left -= sizeof (char *);
network->n_aliases[i] = line;
@@ -208,8 +203,12 @@ internal_nisplus_getnetent_r (struct netent *network, char *buffer,
/* Get the next entry until we found a correct one. */
do
{
+ nis_result *saved_res;
+
if (result == NULL)
{
+ saved_res = NULL;
+
if (tablename_val == NULL)
if (_nss_create_tablename() != NSS_STATUS_SUCCESS)
return NSS_STATUS_UNAVAIL;
@@ -218,8 +217,10 @@ internal_nisplus_getnetent_r (struct netent *network, char *buffer,
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
{
int retval;
-
+
retval = niserr2nss (result->status);
+ nis_freeresult (result);
+ result = NULL;
if (retval == NSS_STATUS_TRYAGAIN)
{
*herrnop = NETDB_INTERNAL;
@@ -235,13 +236,15 @@ internal_nisplus_getnetent_r (struct netent *network, char *buffer,
nis_result *res;
res = nis_next_entry(tablename_val, &result->cookie);
- nis_freeresult (result);
+ saved_res = result;
result = res;
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
{
int retval;
retval = niserr2nss (result->status);
+ nis_freeresult (result);
+ result = saved_res;
if (retval == NSS_STATUS_TRYAGAIN)
{
*herrnop = NETDB_INTERNAL;
@@ -251,15 +254,15 @@ internal_nisplus_getnetent_r (struct netent *network, char *buffer,
}
}
- parse_res = _nss_nisplus_parse_netent (result, network, buffer, buflen);
- if (!parse_res && errno == ERANGE)
+ if ((parse_res = _nss_nisplus_parse_netent (result, network, buffer,
+ buflen)) == -1)
{
*herrnop = NETDB_INTERNAL;
return NSS_STATUS_TRYAGAIN;
}
-
+
} while (!parse_res);
-
+
return NSS_STATUS_SUCCESS;
}
@@ -298,7 +301,7 @@ _nss_nisplus_getnetbyname_r (const char *name, struct netent *network,
{
nis_result *result;
char buf[strlen (name) + 255 + tablename_len];
-
+
/* Search at first in the alias list, and use the correct name
for the next search */
sprintf(buf, "[name=%s],%s", name, tablename_val);
@@ -336,11 +339,11 @@ _nss_nisplus_getnetbyname_r (const char *name, struct netent *network,
nis_freeresult (result);
- if (parse_res)
+ if (parse_res > 0)
return NSS_STATUS_SUCCESS;
*herrnop = NETDB_INTERNAL;
- if (!parse_res && errno == ERANGE)
+ if (parse_res == -1)
return NSS_STATUS_TRYAGAIN;
else
return NSS_STATUS_NOTFOUND;
@@ -385,11 +388,11 @@ _nss_nisplus_getnetbyaddr_r (const unsigned long addr, const int type,
nis_freeresult (result);
- if (parse_res)
+ if (parse_res > 0)
return NSS_STATUS_SUCCESS;
-
+
*herrnop = NETDB_INTERNAL;
- if (!parse_res && errno == ERANGE)
+ if (parse_res == -1)
return NSS_STATUS_TRYAGAIN;
else
return NSS_STATUS_NOTFOUND;
diff --git a/nis/nss_nisplus/nisplus-parser.c b/nis/nss_nisplus/nisplus-parser.c
index bb6bba1e3e..3d0ff32e57 100644
--- a/nis/nss_nisplus/nisplus-parser.c
+++ b/nis/nss_nisplus/nisplus-parser.c
@@ -55,7 +55,7 @@ _nss_nisplus_parse_pwent (nis_result *result, struct passwd *pw,
/* The line is too long for our buffer. */
no_more_room:
__set_errno (ERANGE);
- return 0;
+ return -1;
}
strncpy (first_unused, NISENTRYVAL(0, 0, result),
@@ -152,7 +152,7 @@ _nss_nisplus_parse_grent (nis_result *result, u_long entry,
/* The line is too long for our buffer. */
no_more_room:
__set_errno (ERANGE);
- return 0;
+ return -1;
}
strncpy (first_unused, NISENTRYVAL (entry, 0, result),
@@ -258,7 +258,7 @@ _nss_nisplus_parse_spent (nis_result *result, struct spwd *sp,
/* The line is too long for our buffer. */
no_more_room:
__set_errno (ERANGE);
- return 0;
+ return -1;
}
strncpy (first_unused, NISENTRYVAL (0, 0, result),
diff --git a/nis/nss_nisplus/nisplus-proto.c b/nis/nss_nisplus/nisplus-proto.c
index d98317a8a1..707a0e5296 100644
--- a/nis/nss_nisplus/nisplus-proto.c
+++ b/nis/nss_nisplus/nisplus-proto.c
@@ -63,7 +63,7 @@ _nss_nisplus_parse_protoent (nis_result * result, struct protoent *proto,
{
no_more_room:
__set_errno (ERANGE);
- return 0;
+ return -1;
}
strncpy (first_unused, NISENTRYVAL (0, 0, result),
NISENTRYLEN (0, 0, result));
@@ -196,8 +196,11 @@ internal_nisplus_getprotoent_r (struct protoent *proto, char *buffer,
/* Get the next entry until we found a correct one. */
do
{
+ nis_result *saved_res;
+
if (result == NULL)
{
+ saved_res = NULL;
if (tablename_val == NULL)
if (_nss_create_tablename () != NSS_STATUS_SUCCESS)
return NSS_STATUS_UNAVAIL;
@@ -209,16 +212,30 @@ internal_nisplus_getprotoent_r (struct protoent *proto, char *buffer,
else
{
nis_result *res;
-
+
+ saved_res = result;
res = nis_next_entry (tablename_val, &result->cookie);
- nis_freeresult (result);
result = res;
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
- return niserr2nss (result->status);
+ {
+ nis_freeresult (saved_res);
+ return niserr2nss (result->status);
+ }
}
- parse_res = _nss_nisplus_parse_protoent (result, proto, buffer, buflen);
+ if ((parse_res = _nss_nisplus_parse_protoent (result, proto, buffer,
+ buflen)) == -1)
+ {
+ nis_freeresult (result);
+ result = saved_res;
+ return NSS_STATUS_TRYAGAIN;
+ }
+ else
+ {
+ if (saved_res)
+ nis_freeresult (saved_res);
+ }
}
while (!parse_res);
@@ -290,13 +307,12 @@ _nss_nisplus_getprotobyname_r (const char *name, struct protoent *proto,
nis_freeresult (result);
+ if (parse_res == -1)
+ return NSS_STATUS_TRYAGAIN;
if (parse_res)
return NSS_STATUS_SUCCESS;
- if (!parse_res && errno == ERANGE)
- return NSS_STATUS_TRYAGAIN;
- else
- return NSS_STATUS_NOTFOUND;
+ return NSS_STATUS_NOTFOUND;
}
}
@@ -327,12 +343,13 @@ _nss_nisplus_getprotobynumber_r (const int number, struct protoent *proto,
parse_res = _nss_nisplus_parse_protoent (result, proto, buffer, buflen);
nis_freeresult (result);
- if (parse_res)
- return NSS_STATUS_SUCCESS;
- if (!parse_res && errno == ERANGE)
+ if (parse_res == -1)
return NSS_STATUS_TRYAGAIN;
- else
- return NSS_STATUS_NOTFOUND;
+
+ if (parse_res)
+ return NSS_STATUS_SUCCESS;
+
+ return NSS_STATUS_NOTFOUND;
}
}
diff --git a/nis/nss_nisplus/nisplus-pwd.c b/nis/nss_nisplus/nisplus-pwd.c
index 459a1a4380..2c1fb19cab 100644
--- a/nis/nss_nisplus/nisplus-pwd.c
+++ b/nis/nss_nisplus/nisplus-pwd.c
@@ -96,8 +96,11 @@ internal_nisplus_getpwent_r (struct passwd *pw, char *buffer, size_t buflen)
/* Get the next entry until we found a correct one. */
do
{
+ nis_result *saved_res;
+
if (result == NULL)
{
+ saved_res = NULL;
if (tablename_val == NULL)
if (_nss_create_tablename () != NSS_STATUS_SUCCESS)
return NSS_STATUS_UNAVAIL;
@@ -110,14 +113,28 @@ internal_nisplus_getpwent_r (struct passwd *pw, char *buffer, size_t buflen)
{
nis_result *res;
+ saved_res = result;
res = nis_next_entry(tablename_val, &result->cookie);
- nis_freeresult (result);
result = res;
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
- return niserr2nss (result->status);
+ {
+ nis_freeresult (saved_res);
+ return niserr2nss (result->status);
+ }
}
- parse_res = _nss_nisplus_parse_pwent (result, pw, buffer, buflen);
+ if ((parse_res = _nss_nisplus_parse_pwent (result, pw, buffer,
+ buflen)) == -1)
+ {
+ nis_freeresult (result);
+ result = saved_res;
+ return NSS_STATUS_TRYAGAIN;
+ }
+ else
+ {
+ if (saved_res)
+ nis_freeresult (saved_res);
+ }
} while (!parse_res);
return NSS_STATUS_SUCCESS;
@@ -170,13 +187,13 @@ _nss_nisplus_getpwnam_r (const char *name, struct passwd *pw,
nis_freeresult (result);
+ if (parse_res == -1)
+ return NSS_STATUS_TRYAGAIN;
+
if (parse_res)
return NSS_STATUS_SUCCESS;
-
- if (!parse_res && errno == ERANGE)
- return NSS_STATUS_TRYAGAIN;
- else
- return NSS_STATUS_NOTFOUND;
+
+ return NSS_STATUS_NOTFOUND;
}
}
@@ -207,12 +224,13 @@ _nss_nisplus_getpwuid_r (const uid_t uid, struct passwd *pw,
parse_res = _nss_nisplus_parse_pwent (result, pw, buffer, buflen);
nis_freeresult (result);
+
+ if (parse_res == -1)
+ return NSS_STATUS_TRYAGAIN;
+
if (parse_res)
return NSS_STATUS_SUCCESS;
- if (!parse_res && errno == ERANGE)
- return NSS_STATUS_TRYAGAIN;
- else
- return NSS_STATUS_NOTFOUND;
+ return NSS_STATUS_NOTFOUND;
}
}
diff --git a/nis/nss_nisplus/nisplus-rpc.c b/nis/nss_nisplus/nisplus-rpc.c
index 47610a4dca..b70c2ebbca 100644
--- a/nis/nss_nisplus/nisplus-rpc.c
+++ b/nis/nss_nisplus/nisplus-rpc.c
@@ -64,7 +64,7 @@ _nss_nisplus_parse_rpcent (nis_result *result, struct rpcent *rpc,
{
no_more_room:
__set_errno (ERANGE);
- return 0;
+ return -1;
}
strncpy (first_unused, NISENTRYVAL (0, 0, result),
NISENTRYLEN (0, 0, result));
@@ -198,8 +198,11 @@ internal_nisplus_getrpcent_r (struct rpcent *rpc, char *buffer,
/* Get the next entry until we found a correct one. */
do
{
+ nis_result *saved_res;
+
if (result == NULL)
{
+ saved_res = NULL;
if (tablename_val == NULL)
if (_nss_create_tablename () != NSS_STATUS_SUCCESS)
return NSS_STATUS_UNAVAIL;
@@ -212,14 +215,28 @@ internal_nisplus_getrpcent_r (struct rpcent *rpc, char *buffer,
{
nis_result *res;
+ saved_res = result;
res = nis_next_entry (tablename_val, &result->cookie);
- nis_freeresult (result);
result = res;
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
- return niserr2nss (result->status);
+ {
+ nis_freeresult (saved_res);
+ return niserr2nss (result->status);
+ }
}
- parse_res = _nss_nisplus_parse_rpcent (result, rpc, buffer, buflen);
+ if ((parse_res = _nss_nisplus_parse_rpcent (result, rpc, buffer,
+ buflen)) == -1)
+ {
+ nis_freeresult (result);
+ result = saved_res;
+ return NSS_STATUS_TRYAGAIN;
+ }
+ else
+ {
+ if (saved_res)
+ nis_freeresult (saved_res);
+ }
} while (!parse_res);
return NSS_STATUS_SUCCESS;
@@ -290,13 +307,13 @@ _nss_nisplus_getrpcbyname_r (const char *name, struct rpcent *rpc,
nis_freeresult (result);
+ if (parse_res == -1)
+ return NSS_STATUS_TRYAGAIN;
+
if (parse_res)
return NSS_STATUS_SUCCESS;
- if (!parse_res && errno == ERANGE)
- return NSS_STATUS_TRYAGAIN;
- else
- return NSS_STATUS_NOTFOUND;
+ return NSS_STATUS_NOTFOUND;
}
}
@@ -329,12 +346,12 @@ _nss_nisplus_getrpcbynumber_r (const int number, struct rpcent *rpc,
nis_freeresult (result);
+ if (parse_res == -1)
+ return NSS_STATUS_TRYAGAIN;
+
if (parse_res)
return NSS_STATUS_SUCCESS;
- if (!parse_res && errno == ERANGE)
- return NSS_STATUS_TRYAGAIN;
- else
- return NSS_STATUS_NOTFOUND;
+ return NSS_STATUS_NOTFOUND;
}
}
diff --git a/nis/nss_nisplus/nisplus-service.c b/nis/nss_nisplus/nisplus-service.c
index b97034e9b8..37042d9d13 100644
--- a/nis/nss_nisplus/nisplus-service.c
+++ b/nis/nss_nisplus/nisplus-service.c
@@ -63,7 +63,7 @@ _nss_nisplus_parse_servent (nis_result *result, struct servent *serv,
{
no_more_room:
__set_errno (ERANGE);
- return 0;
+ return -1;
}
strncpy (first_unused, NISENTRYVAL (0, 0, result),
NISENTRYLEN (0, 0, result));
@@ -204,8 +204,11 @@ internal_nisplus_getservent_r (struct servent *serv, char *buffer,
/* Get the next entry until we found a correct one. */
do
{
+ nis_result *saved_res;
+
if (result == NULL)
{
+ saved_res = NULL;
if (tablename_val == NULL)
if (_nss_create_tablename () != NSS_STATUS_SUCCESS)
return NSS_STATUS_UNAVAIL;
@@ -218,14 +221,28 @@ internal_nisplus_getservent_r (struct servent *serv, char *buffer,
{
nis_result *res;
+ saved_res = result;
res = nis_next_entry (tablename_val, &result->cookie);
- nis_freeresult (result);
result = res;
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
- return niserr2nss (result->status);
+ {
+ nis_freeresult (saved_res);
+ return niserr2nss (result->status);
+ }
}
- parse_res = _nss_nisplus_parse_servent (result, serv, buffer, buflen);
+ if ((parse_res = _nss_nisplus_parse_servent (result, serv, buffer,
+ buflen)) == -1)
+ {
+ nis_freeresult (result);
+ result = saved_res;
+ return NSS_STATUS_TRYAGAIN;
+ }
+ else
+ {
+ if (saved_res)
+ nis_freeresult (saved_res);
+ }
}
while (!parse_res);
@@ -300,16 +317,15 @@ _nss_nisplus_getservbyname_r (const char *name, const char *protocol,
}
parse_res = _nss_nisplus_parse_servent (result, serv, buffer, buflen);
-
nis_freeresult (result);
+ if (parse_res == -1)
+ return NSS_STATUS_TRYAGAIN;
+
if (parse_res)
return NSS_STATUS_SUCCESS;
- if (!parse_res && errno == ERANGE)
- return NSS_STATUS_TRYAGAIN;
- else
- return NSS_STATUS_NOTFOUND;
+ return NSS_STATUS_NOTFOUND;
}
}
@@ -347,15 +363,14 @@ _nss_nisplus_getservbynumber_r (const int number, const char *protocol,
}
parse_res = _nss_nisplus_parse_servent (result, serv, buffer, buflen);
-
nis_freeresult (result);
+ if (parse_res == -1)
+ return NSS_STATUS_TRYAGAIN;
+
if (parse_res)
return NSS_STATUS_SUCCESS;
- if (!parse_res && errno == ERANGE)
- return NSS_STATUS_TRYAGAIN;
- else
- return NSS_STATUS_NOTFOUND;
+ return NSS_STATUS_NOTFOUND;
}
}
diff --git a/nis/nss_nisplus/nisplus-spwd.c b/nis/nss_nisplus/nisplus-spwd.c
index 81bde4e689..c7f1e2a567 100644
--- a/nis/nss_nisplus/nisplus-spwd.c
+++ b/nis/nss_nisplus/nisplus-spwd.c
@@ -93,8 +93,12 @@ internal_nisplus_getspent_r (struct spwd *sp, char *buffer, size_t buflen)
/* Get the next entry until we found a correct one. */
do
{
+ nis_result *saved_res;
+
if (result == NULL)
{
+ saved_res = NULL;
+
if (tablename_val == NULL)
if (_nss_create_tablename () != NSS_STATUS_SUCCESS)
return NSS_STATUS_UNAVAIL;
@@ -107,14 +111,28 @@ internal_nisplus_getspent_r (struct spwd *sp, char *buffer, size_t buflen)
{
nis_result *res;
+ saved_res = result;
res = nis_next_entry (tablename_val, &result->cookie);
- nis_freeresult (result);
result = res;
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
- return niserr2nss (result->status);
+ {
+ nis_freeresult (saved_res);
+ return niserr2nss (result->status);
+ }
}
- parse_res = _nss_nisplus_parse_spent (result, sp, buffer, buflen);
+ if ((parse_res = _nss_nisplus_parse_spent (result, sp, buffer,
+ buflen)) == -1)
+ {
+ nis_freeresult (result);
+ result = saved_res;
+ return NSS_STATUS_TRYAGAIN;
+ }
+ else
+ {
+ if (saved_res)
+ nis_freeresult (saved_res);
+ }
} while (!parse_res);
return NSS_STATUS_SUCCESS;
@@ -164,15 +182,14 @@ _nss_nisplus_getspnam_r (const char *name, struct spwd *sp,
}
parse_res = _nss_nisplus_parse_spent (result, sp, buffer, buflen);
-
nis_freeresult (result);
+ if (parse_res == -1)
+ return NSS_STATUS_TRYAGAIN;
+
if (parse_res)
return NSS_STATUS_SUCCESS;
- if (!parse_res && errno == ERANGE)
- return NSS_STATUS_TRYAGAIN;
- else
- return NSS_STATUS_NOTFOUND;
+ return NSS_STATUS_NOTFOUND;
}
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-10 04:13:05 +0000