The branch, v3-6-test has been updated
       via  0268296 s3: use getgrset() when it is available
      from  95a28ca SMB2 renames return SHARING_VIOLATION if there is any 
existing oplock on a file. (cherry picked from commit 
f555a0ea2b14ecb7d1037852b594e7e25ef2c4b5)

http://gitweb.samba.org/?p=samba.git;a=shortlog;h=v3-6-test


- Log -----------------------------------------------------------------
commit 026829635072d6446b80df27c1f13c062ce934a5
Author: Christian Ambach <christian.amb...@de.ibm.com>
Date:   Mon Mar 14 08:08:58 2011 -0400

    s3: use getgrset() when it is available
    
    When getgrouplist() is not defined, use getgrset() if it is defined
    instead of using the initgroups() + getgroups() combo
    
    Major contributions from Yannick Bergeron <yaber...@ca.ibm.com>
    
    Autobuild-User: Volker Lendecke <vlen...@samba.org>
    Autobuild-Date: Sat Mar 19 10:09:38 CET 2011 on sn-devel-104
    (cherry picked from commit ed46dfc4f16e230645fae5f3b3b21c462694c30a)

-----------------------------------------------------------------------

Summary of changes:
 source3/configure.in      |    1 +
 source3/lib/system_smbd.c |   59 +++++++++++++++++++++++++++++++++++++++++++-
 source3/wscript           |    2 +-
 3 files changed, 59 insertions(+), 3 deletions(-)


Changeset truncated at 500 lines:

diff --git a/source3/configure.in b/source3/configure.in
index 74df9d4..6033b0b 100644
--- a/source3/configure.in
+++ b/source3/configure.in
@@ -1070,6 +1070,7 @@ AC_CHECK_FUNCS(fdatasync,,[AC_CHECK_LIB_EXT(rt, LIBS, 
fdatasync)])
 AC_CHECK_FUNCS(setsid glob strpbrk crypt16 getauthuid)
 AC_CHECK_FUNCS(sigprocmask sigblock sigaction sigset innetgr setnetgrent 
getnetgrent endnetgrent)
 AC_CHECK_FUNCS(initgroups select rdchk getgrnam getgrent pathconf)
+AC_CHECK_FUNCS(getgrset)
 AC_CHECK_FUNCS(setpriv setgidx setuidx setgroups sysconf stat64 fstat64)
 AC_CHECK_FUNCS(lstat64 fopen64 atexit grantpt lseek64 ftruncate64 
posix_fallocate posix_fallocate64)
 AC_CHECK_FUNCS(fallocate fallocate64)
diff --git a/source3/lib/system_smbd.c b/source3/lib/system_smbd.c
index 3bb2c42..12538c4 100644
--- a/source3/lib/system_smbd.c
+++ b/source3/lib/system_smbd.c
@@ -28,6 +28,56 @@
 
 #ifndef HAVE_GETGROUPLIST
 
+#ifdef HAVE_GETGRSET
+static int getgrouplist_getgrset(const char *user, gid_t gid, gid_t *groups,
+                                int *grpcnt)
+{
+       char *grplist;
+       char *grp;
+       gid_t temp_gid;
+       int num_gids = 1;
+       int ret = 0;
+       long l;
+
+       grplist = getgrset(user);
+
+       DEBUG(10, ("getgrset returned %s\n", grplist));
+
+       if (grplist == NULL) {
+               return -1;
+       }
+
+       if (*grpcnt > 0) {
+               groups[0] = gid;
+       }
+
+       while ((grp = strsep(&grplist, ",")) != NULL) {
+               l = strtol(grp, NULL, 10);
+               temp_gid = (gid_t) l;
+               if (temp_gid == gid) {
+                       continue;
+               }
+
+               if (num_gids + 1 > *grpcnt) {
+                       num_gids++;
+                       continue;
+               }
+               groups[num_gids++] = temp_gid;
+       }
+       free(grplist);
+
+       if (num_gids > *grpcnt) {
+               ret = -1;
+       }
+       *grpcnt = num_gids;
+
+       DEBUG(10, ("Found %d groups for user %s\n", *grpcnt, user));
+
+       return ret;
+}
+
+#else /* HAVE_GETGRSET */
+
 /*
   This is a *much* faster way of getting the list of groups for a user
   without changing the current supplementary group list. The old
@@ -113,7 +163,8 @@ static int getgrouplist_internals(const char *user, gid_t 
gid, gid_t *groups,
        free(gids_saved);
        return ret;
 }
-#endif
+#endif /* HAVE_GETGRSET */
+#endif /* HAVE_GETGROUPLIST */
 
 static int sys_getgrouplist(const char *user, gid_t gid, gid_t *groups, int 
*grpcnt)
 {
@@ -131,10 +182,14 @@ static int sys_getgrouplist(const char *user, gid_t gid, 
gid_t *groups, int *grp
 #ifdef HAVE_GETGROUPLIST
        retval = getgrouplist(user, gid, groups, grpcnt);
 #else
+#ifdef HAVE_GETGRSET
+       retval = getgrouplist_getgrset(user, gid, groups, grpcnt);
+#else
        become_root();
        retval = getgrouplist_internals(user, gid, groups, grpcnt);
        unbecome_root();
-#endif
+#endif /* HAVE_GETGRSET */
+#endif /* HAVE_GETGROUPLIST */
 
        /* allow winbindd lookups, but only if they were not already disabled */
        if (!winbind_env) {
diff --git a/source3/wscript b/source3/wscript
index c9ee928..56d4db4 100644
--- a/source3/wscript
+++ b/source3/wscript
@@ -269,7 +269,7 @@ _fork __fork fremoveea fremovexattr fseek64 fseeko64 fsetea
 fsetproplist fsetxattr _fstat __fstat fstat64 _fstat64 __fstat64 fsync
 ftell64 ftello64 ftruncate64 futimens futimes __fxstat getauthuid
 getcwd _getcwd __getcwd getdents __getdents getdents64 getdirentries
-getgrent getgrnam getgrouplist getmntent getpagesize
+getgrent getgrnam getgrouplist getgrset getmntent getpagesize
 getproplist get_proplist_entry getpwanam getpwent_r getrlimit gettext
 glob grantpt hstrerror initgroups innetgr
 inotify_init lgetea lgetxattr listea listxattr llistea llistxattr


-- 
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