forked from pool/glibc
Andreas Schwab
a6aec54f2a
- nscd-netgroup.patch: Fix handling of netgroup cache in nscd (bnc#819524) OBS-URL: https://build.opensuse.org/request/show/179302 OBS-URL: https://build.opensuse.org/package/show/Base:System/glibc?expand=0&rev=291
99 lines
3.2 KiB
Diff
99 lines
3.2 KiB
Diff
2013-06-11 Andreas Schwab <schwab@suse.de>
|
|
|
|
[BZ #15577]
|
|
* nscd/connections.c (nscd_run_worker): Always zero-terminate key.
|
|
* nscd/netgroupcache.c (addgetnetgrentX): Properly handle absent
|
|
values in the triple.
|
|
* nscd/nscd_netgroup.c (__nscd_setnetgrent): Include zero
|
|
terminator in the group key.
|
|
|
|
Index: glibc-2.17/nscd/connections.c
|
|
===================================================================
|
|
--- glibc-2.17.orig/nscd/connections.c
|
|
+++ glibc-2.17/nscd/connections.c
|
|
@@ -1762,7 +1762,7 @@ nscd_run_worker (void *p)
|
|
else
|
|
{
|
|
/* Get the key. */
|
|
- char keybuf[MAXKEYLEN];
|
|
+ char keybuf[MAXKEYLEN + 1];
|
|
|
|
if (__builtin_expect (TEMP_FAILURE_RETRY (read (fd, keybuf,
|
|
req.key_len))
|
|
@@ -1774,6 +1774,7 @@ nscd_run_worker (void *p)
|
|
strerror_r (errno, buf, sizeof (buf)));
|
|
goto close_and_out;
|
|
}
|
|
+ keybuf[req.key_len] = '\0';
|
|
|
|
if (__builtin_expect (debug_level, 0) > 0)
|
|
{
|
|
Index: glibc-2.17/nscd/netgroupcache.c
|
|
===================================================================
|
|
--- glibc-2.17.orig/nscd/netgroupcache.c
|
|
+++ glibc-2.17/nscd/netgroupcache.c
|
|
@@ -192,18 +192,26 @@ addgetnetgrentX (struct database_dyn *db
|
|
const char *nuser = data.val.triple.user;
|
|
const char *ndomain = data.val.triple.domain;
|
|
|
|
- if (data.val.triple.host > data.val.triple.user
|
|
- || data.val.triple.user > data.val.triple.domain)
|
|
+ if (nhost == NULL || nuser == NULL || ndomain == NULL
|
|
+ || nhost > nuser || nuser > ndomain)
|
|
{
|
|
- const char *last = MAX (nhost,
|
|
- MAX (nuser, ndomain));
|
|
- size_t bufused = (last + strlen (last) + 1
|
|
- - buffer);
|
|
+ const char *last = nhost;
|
|
+ if (last == NULL
|
|
+ || (nuser != NULL && nuser > last))
|
|
+ last = nuser;
|
|
+ if (last == NULL
|
|
+ || (ndomain != NULL && ndomain > last))
|
|
+ last = ndomain;
|
|
+
|
|
+ size_t bufused
|
|
+ = (last == NULL
|
|
+ ? buffilled
|
|
+ : last + strlen (last) + 1 - buffer);
|
|
|
|
/* We have to make temporary copies. */
|
|
- size_t hostlen = strlen (nhost) + 1;
|
|
- size_t userlen = strlen (nuser) + 1;
|
|
- size_t domainlen = strlen (ndomain) + 1;
|
|
+ size_t hostlen = strlen (nhost ?: "") + 1;
|
|
+ size_t userlen = strlen (nuser ?: "") + 1;
|
|
+ size_t domainlen = strlen (ndomain ?: "") + 1;
|
|
size_t needed = hostlen + userlen + domainlen;
|
|
|
|
if (buflen - req->key_len - bufused < needed)
|
|
@@ -226,11 +234,11 @@ addgetnetgrentX (struct database_dyn *db
|
|
}
|
|
|
|
nhost = memcpy (buffer + bufused,
|
|
- nhost, hostlen);
|
|
+ nhost ?: "", hostlen);
|
|
nuser = memcpy ((char *) nhost + hostlen,
|
|
- nuser, userlen);
|
|
+ nuser ?: "", userlen);
|
|
ndomain = memcpy ((char *) nuser + userlen,
|
|
- ndomain, domainlen);
|
|
+ ndomain ?: "", domainlen);
|
|
}
|
|
|
|
char *wp = buffer + buffilled;
|
|
Index: glibc-2.17/nscd/nscd_netgroup.c
|
|
===================================================================
|
|
--- glibc-2.17.orig/nscd/nscd_netgroup.c
|
|
+++ glibc-2.17/nscd/nscd_netgroup.c
|
|
@@ -48,7 +48,7 @@ __nscd_setnetgrent (const char *group, s
|
|
{
|
|
int gc_cycle;
|
|
int nretries = 0;
|
|
- size_t group_len = strlen (group);
|
|
+ size_t group_len = strlen (group) + 1;
|
|
|
|
/* If the mapping is available, try to search there instead of
|
|
communicating with the nscd. */
|