avahi: use fetchpatch's "exclude" option instead of manual patch maintenance
And grab only the single required commit in case of avahi/avahi#499.
This commit is contained in:
Giel van Schijndel
parent
fb884172ab
commit
9a6a13cc09
|
|
@ -1,102 +0,0 @@
|
|||
From a337a1ba7d15853fb56deef1f464529af6e3a1cf Mon Sep 17 00:00:00 2001
|
||||
From: Evgeny Vereshchagin <evvers@ya.ru>
|
||||
Date: Mon, 23 Oct 2023 20:29:31 +0000
|
||||
Subject: [PATCH 1/2] core: reject overly long TXT resource records
|
||||
|
||||
Closes https://github.com/lathiat/avahi/issues/455
|
||||
|
||||
CVE-2023-38469
|
||||
---
|
||||
avahi-core/rr.c | 9 ++++++++-
|
||||
1 file changed, 8 insertions(+), 1 deletion(-)
|
||||
|
||||
diff --git a/avahi-core/rr.c b/avahi-core/rr.c
|
||||
index 2bb89244..9c04ebbd 100644
|
||||
--- a/avahi-core/rr.c
|
||||
+++ b/avahi-core/rr.c
|
||||
@@ -32,6 +32,7 @@
|
||||
#include <avahi-common/malloc.h>
|
||||
#include <avahi-common/defs.h>
|
||||
|
||||
+#include "dns.h"
|
||||
#include "rr.h"
|
||||
#include "log.h"
|
||||
#include "util.h"
|
||||
@@ -689,11 +690,17 @@ int avahi_record_is_valid(AvahiRecord *r) {
|
||||
case AVAHI_DNS_TYPE_TXT: {
|
||||
|
||||
AvahiStringList *strlst;
|
||||
+ size_t used = 0;
|
||||
|
||||
- for (strlst = r->data.txt.string_list; strlst; strlst = strlst->next)
|
||||
+ for (strlst = r->data.txt.string_list; strlst; strlst = strlst->next) {
|
||||
if (strlst->size > 255 || strlst->size <= 0)
|
||||
return 0;
|
||||
|
||||
+ used += 1+strlst->size;
|
||||
+ if (used > AVAHI_DNS_RDATA_MAX)
|
||||
+ return 0;
|
||||
+ }
|
||||
+
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
|
||||
From c6cab87df290448a63323c8ca759baa516166237 Mon Sep 17 00:00:00 2001
|
||||
From: Evgeny Vereshchagin <evvers@ya.ru>
|
||||
Date: Wed, 25 Oct 2023 18:15:42 +0000
|
||||
Subject: [PATCH 2/2] tests: pass overly long TXT resource records
|
||||
|
||||
to make sure they don't crash avahi any more.
|
||||
|
||||
It reproduces https://github.com/lathiat/avahi/issues/455
|
||||
---
|
||||
avahi-client/client-test.c | 14 ++++++++++++++
|
||||
2 files changed, 20 insertions(+)
|
||||
|
||||
diff --git a/avahi-client/client-test.c b/avahi-client/client-test.c
|
||||
index ba979988..da0e43ad 100644
|
||||
--- a/avahi-client/client-test.c
|
||||
+++ b/avahi-client/client-test.c
|
||||
@@ -22,6 +22,7 @@
|
||||
#endif
|
||||
|
||||
#include <stdio.h>
|
||||
+#include <string.h>
|
||||
#include <assert.h>
|
||||
|
||||
#include <avahi-client/client.h>
|
||||
@@ -33,6 +34,8 @@
|
||||
#include <avahi-common/malloc.h>
|
||||
#include <avahi-common/timeval.h>
|
||||
|
||||
+#include <avahi-core/dns.h>
|
||||
+
|
||||
static const AvahiPoll *poll_api = NULL;
|
||||
static AvahiSimplePoll *simple_poll = NULL;
|
||||
|
||||
@@ -222,6 +225,9 @@ int main (AVAHI_GCC_UNUSED int argc, AVAHI_GCC_UNUSED char *argv[]) {
|
||||
uint32_t cookie;
|
||||
struct timeval tv;
|
||||
AvahiAddress a;
|
||||
+ uint8_t rdata[AVAHI_DNS_RDATA_MAX+1];
|
||||
+ AvahiStringList *txt = NULL;
|
||||
+ int r;
|
||||
|
||||
simple_poll = avahi_simple_poll_new();
|
||||
poll_api = avahi_simple_poll_get(simple_poll);
|
||||
@@ -261,6 +267,14 @@ int main (AVAHI_GCC_UNUSED int argc, AVAHI_GCC_UNUSED char *argv[]) {
|
||||
error = avahi_entry_group_add_record (group, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, 0, "TestX", 0x01, 0x10, 120, "", 0);
|
||||
assert(error != AVAHI_OK);
|
||||
|
||||
+ memset(rdata, 1, sizeof(rdata));
|
||||
+ r = avahi_string_list_parse(rdata, sizeof(rdata), &txt);
|
||||
+ assert(r >= 0);
|
||||
+ assert(avahi_string_list_serialize(txt, NULL, 0) == sizeof(rdata));
|
||||
+ error = avahi_entry_group_add_service_strlst(group, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, 0, "TestX", "_qotd._tcp", NULL, NULL, 123, txt);
|
||||
+ assert(error == AVAHI_ERR_INVALID_RECORD);
|
||||
+ avahi_string_list_free(txt);
|
||||
+
|
||||
avahi_entry_group_commit (group);
|
||||
|
||||
domain = avahi_domain_browser_new (avahi, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, NULL, AVAHI_DOMAIN_BROWSER_BROWSE, 0, avahi_domain_browser_callback, (char*) "omghai3u");
|
||||
|
|
@ -1,47 +0,0 @@
|
|||
From 04ac71fd56a16365360f14bd4691219913e22f21 Mon Sep 17 00:00:00 2001
|
||||
From: Evgeny Vereshchagin <evvers@ya.ru>
|
||||
Date: Tue, 24 Oct 2023 21:57:32 +0000
|
||||
Subject: [PATCH 1/2] smoke-test: call SetHostName with unusual names
|
||||
|
||||
It's prompted by https://github.com/lathiat/avahi/issues/453
|
||||
---
|
||||
avahi-core/server.c | 9 ++++++---
|
||||
1 file changed, 6 insertions(+), 3 deletions(-)
|
||||
|
||||
diff --git a/avahi-core/server.c b/avahi-core/server.c
|
||||
index f6a21bb7..84df6b5d 100644
|
||||
--- a/avahi-core/server.c
|
||||
+++ b/avahi-core/server.c
|
||||
@@ -1309,10 +1309,13 @@ int avahi_server_set_host_name(AvahiServer *s, const char *host_name) {
|
||||
else
|
||||
hn = avahi_normalize_name_strdup(host_name);
|
||||
|
||||
+ if (!hn)
|
||||
+ return avahi_server_set_errno(s, AVAHI_ERR_NO_MEMORY);
|
||||
+
|
||||
h = hn;
|
||||
if (!avahi_unescape_label((const char **)&hn, label, sizeof(label))) {
|
||||
avahi_free(h);
|
||||
- return AVAHI_ERR_INVALID_HOST_NAME;
|
||||
+ return avahi_server_set_errno(s, AVAHI_ERR_INVALID_HOST_NAME);
|
||||
}
|
||||
|
||||
avahi_free(h);
|
||||
@@ -1320,7 +1323,7 @@ int avahi_server_set_host_name(AvahiServer *s, const char *host_name) {
|
||||
h = label_escaped;
|
||||
len = sizeof(label_escaped);
|
||||
if (!avahi_escape_label(label, strlen(label), &h, &len))
|
||||
- return AVAHI_ERR_INVALID_HOST_NAME;
|
||||
+ return avahi_server_set_errno(s, AVAHI_ERR_INVALID_HOST_NAME);
|
||||
|
||||
if (avahi_domain_equal(s->host_name, label_escaped) && s->state != AVAHI_SERVER_COLLISION)
|
||||
return avahi_server_set_errno(s, AVAHI_ERR_NO_CHANGE);
|
||||
@@ -1330,7 +1333,7 @@ int avahi_server_set_host_name(AvahiServer *s, const char *host_name) {
|
||||
avahi_free(s->host_name);
|
||||
s->host_name = avahi_strdup(label_escaped);
|
||||
if (!s->host_name)
|
||||
- return AVAHI_ERR_NO_MEMORY;
|
||||
+ return avahi_server_set_errno(s, AVAHI_ERR_NO_MEMORY);
|
||||
|
||||
update_fqdn(s);
|
||||
|
||||
|
|
@ -79,12 +79,19 @@ stdenv.mkDerivation rec {
|
|||
sha256 = "sha256-4dG+5ZHDa+A4/CszYS8uXWlpmA89m7/jhbZ7rheMs7U=";
|
||||
})
|
||||
# https://github.com/lathiat/avahi/pull/499 merged Oct 25
|
||||
# (but with the changes to '.github/workflows/smoke-tests.sh removed)
|
||||
./CVE-2023-38471-2.patch
|
||||
(fetchpatch {
|
||||
name = "CVE-2023-38471-2.patch";
|
||||
url = "https://github.com/avahi/avahi/commit/b675f70739f404342f7f78635d6e2dcd85a13460.patch";
|
||||
sha256 = "sha256-uDtMPWuz1lsu7n0Co/Gpyh369miQ6GWGyC0UPQB/yI8=";
|
||||
})
|
||||
# CVE-2023-38469
|
||||
# https://github.com/lathiat/avahi/pull/500 merged Oct 25
|
||||
# (but with the changes to '.github/workflows/smoke-tests.sh removed)
|
||||
./CVE-2023-38469.patch
|
||||
(fetchpatch {
|
||||
name = "CVE-2023-38469.patch";
|
||||
url = "https://github.com/avahi/avahi/commit/61b9874ff91dd20a12483db07df29fe7f35db77f.patch";
|
||||
sha256 = "sha256-qR7scfQqhRGxg2n4HQsxVxCLkXbwZi+PlYxrOSEPsL0=";
|
||||
excludes = [ ".github/workflows/smoke-tests.sh" ];
|
||||
})
|
||||
];
|
||||
|
||||
depsBuildBuild = [
|
||||
|
|
|
|||
Loading…
Reference in New Issue