Attachment 13156 Details for Bug 12747 – git-am fix for master.

[patch] git-am fix for master.

look (text/plain), 2.73 KB, created by Jeremy Allison on 2017-04-17 21:46:10 UTC

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Creator: Jeremy Allison

Created: 2017-04-17 21:46:10 UTC

Size: 2.73 KB

patch

obsolete

>From f0365ad3e37a5d27fa7d86e86458f3a79bede377 Mon Sep 17 00:00:00 2001
>From: Jeremy Allison <jra@samba.org>
>Date: Mon, 17 Apr 2017 14:30:04 -0700
>Subject: [PATCH 1/2] s3: lib: Fix incorrect logic in sys_broken_getgroups().
>
>If setlen == 0 then the second argument must be ignored.
>
>BUG: https://bugzilla.samba.org/show_bug.cgi?id=12747
>
>Signed-off-by: Jeremy Allison <jra@samba.org>
>---
> source3/lib/system.c | 12 +++++++-----
> 1 file changed, 7 insertions(+), 5 deletions(-)
>
>diff --git a/source3/lib/system.c b/source3/lib/system.c
>index 3d3eeeda7c4..99462b631c7 100644
>--- a/source3/lib/system.c
>+++ b/source3/lib/system.c
>@@ -790,12 +790,11 @@ int groups_max(void)
> 
> static int sys_broken_getgroups(int setlen, gid_t *gidset)
> {
>-	GID_T gid;
> 	GID_T *group_list;
> 	int i, ngroups;
> 
> 	if(setlen == 0) {
>-		return getgroups(setlen, &gid);
>+		return getgroups(0, NULL);
> 	}
> 
> 	/*
>@@ -808,9 +807,6 @@ static int sys_broken_getgroups(int setlen, gid_t *gidset)
> 		return -1;
> 	} 
> 
>-	if (setlen == 0)
>-		setlen = groups_max();
>-
> 	if((group_list = SMB_MALLOC_ARRAY(GID_T, setlen)) == NULL) {
> 		DEBUG(0,("sys_getgroups: Malloc fail.\n"));
> 		return -1;
>@@ -823,6 +819,12 @@ static int sys_broken_getgroups(int setlen, gid_t *gidset)
> 		return -1;
> 	}
> 
>+	/*
>+	 * We're safe here as if ngroups > setlen then
>+	 * getgroups *must* return EINVAL.
>+	 * pubs.opengroup.org/onlinepubs/009695399/functions/getgroups.html
>+	 */
>+
> 	for(i = 0; i < ngroups; i++)
> 		gidset[i] = (gid_t)group_list[i];
> 
>-- 
>2.12.2.762.g0e3151a226-goog
>
>
>From 9c13408aba1553d438e0c26616dd2d38857cade4 Mon Sep 17 00:00:00 2001
>From: Jeremy Allison <jra@samba.org>
>Date: Mon, 17 Apr 2017 14:30:54 -0700
>Subject: [PATCH 2/2] s3: smbd: Fix incorrect use of sys_getgroups().
>MIME-Version: 1.0
>Content-Type: text/plain; charset=UTF-8
>Content-Transfer-Encoding: 8bit
>
>Second arg must be NULL when first arg is 0 (it
>is in all other places).
>
>Bug report and patch from Hanno BÃ¶ck <hanno@hboeck.de>
>
>BUG: https://bugzilla.samba.org/show_bug.cgi?id=12747
>
>Signed-off-by: Jeremy Allison <jra@samba.org>
>---
> source3/smbd/sec_ctx.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
>diff --git a/source3/smbd/sec_ctx.c b/source3/smbd/sec_ctx.c
>index 33d987fbe70..5e0710e0ecb 100644
>--- a/source3/smbd/sec_ctx.c
>+++ b/source3/smbd/sec_ctx.c
>@@ -139,7 +139,6 @@ static void gain_root(void)
> static int get_current_groups(gid_t gid, uint32_t *p_ngroups, gid_t **p_groups)
> {
> 	int i;
>-	gid_t grp;
> 	int ngroups;
> 	gid_t *groups = NULL;
> 
>@@ -153,7 +152,7 @@ static int get_current_groups(gid_t gid, uint32_t *p_ngroups, gid_t **p_groups)
> 	set_effective_gid(gid);
> 	samba_setgid(gid);
> 
>-	ngroups = sys_getgroups(0,&grp);
>+	ngroups = sys_getgroups(0, NULL);
> 	if (ngroups <= 0) {
> 		goto fail;
> 	}
>-- 
>2.12.2.762.g0e3151a226-goog
>

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