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* gnu/packages/patches/qemu-CVE-2015-4037.patch, gnu/packages/patches/qemu-CVE-2015-4103.patch, gnu/packages/patches/qemu-CVE-2015-4104.patch, gnu/packages/patches/qemu-CVE-2015-4105.patch, gnu/packages/patches/qemu-CVE-2015-4106-pt1.patch, gnu/packages/patches/qemu-CVE-2015-4106-pt2.patch, gnu/packages/patches/qemu-CVE-2015-4106-pt3.patch, gnu/packages/patches/qemu-CVE-2015-4106-pt4.patch, gnu/packages/patches/qemu-CVE-2015-4106-pt5.patch, gnu/packages/patches/qemu-CVE-2015-4106-pt6.patch, gnu/packages/patches/qemu-CVE-2015-4106-pt7.patch, gnu/packages/patches/qemu-CVE-2015-4106-pt8.patch: New files. * gnu-system.am (dist_patch_DATA): Add them. * gnu/packages/qemu.scm (qemu-headless)[source]: Add patches.
53 lines
1.8 KiB
Diff
53 lines
1.8 KiB
Diff
From 8b8f1c7e9ddb2e88a144638f6527bf70e32343e3 Mon Sep 17 00:00:00 2001
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From: Michael Tokarev <mjt@tls.msk.ru>
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Date: Thu, 28 May 2015 14:12:26 +0300
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Subject: [PATCH] slirp: use less predictable directory name in /tmp for smb
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config (CVE-2015-4037)
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In this version I used mkdtemp(3) which is:
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_BSD_SOURCE
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|| /* Since glibc 2.10: */
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(_POSIX_C_SOURCE >= 200809L || _XOPEN_SOURCE >= 700)
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(POSIX.1-2008), so should be available on systems we care about.
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While at it, reset the resulting directory name within smb structure
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on error so cleanup function wont try to remove directory which we
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failed to create.
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Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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Reviewed-by: Markus Armbruster <armbru@redhat.com>
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---
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net/slirp.c | 7 +++----
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1 file changed, 3 insertions(+), 4 deletions(-)
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diff --git a/net/slirp.c b/net/slirp.c
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index 0e15cf6..3533837 100644
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--- a/net/slirp.c
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+++ b/net/slirp.c
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@@ -481,7 +481,6 @@ static void slirp_smb_cleanup(SlirpState *s)
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static int slirp_smb(SlirpState* s, const char *exported_dir,
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struct in_addr vserver_addr)
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{
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- static int instance;
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char smb_conf[128];
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char smb_cmdline[128];
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struct passwd *passwd;
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@@ -505,10 +504,10 @@ static int slirp_smb(SlirpState* s, const char *exported_dir,
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return -1;
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}
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- snprintf(s->smb_dir, sizeof(s->smb_dir), "/tmp/qemu-smb.%ld-%d",
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- (long)getpid(), instance++);
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- if (mkdir(s->smb_dir, 0700) < 0) {
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+ snprintf(s->smb_dir, sizeof(s->smb_dir), "/tmp/qemu-smb.XXXXXX");
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+ if (!mkdtemp(s->smb_dir)) {
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error_report("could not create samba server dir '%s'", s->smb_dir);
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+ s->smb_dir[0] = 0;
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return -1;
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}
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snprintf(smb_conf, sizeof(smb_conf), "%s/%s", s->smb_dir, "smb.conf");
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--
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2.2.1
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