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actually fix SIGSEGV of curl -O -J given more than one URL

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This commit is contained in:
Paul Howarth 2011-08-21 13:23:56 +01:00
parent 7293378155
commit 8b6f7828aa
2 changed files with 53 additions and 2 deletions
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46
0005-curl-7.21.7-61ae7e9.patch Normal file
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@ -0,0 +1,46 @@
From 61ae7e9ce77af86a7290fca8bf73c9798f80845c Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Sun, 21 Aug 2011 12:59:06 +0200
Subject: [PATCH] main: fix segfault
Follow-up to commit 5eb2396cd as that wasn't complete.
At times HEADERFUNCTION+HEADERDATA was set only to have only HEADERDATA
set in the subsequent loop which could cause a NULL to get sent as
userdata to 'header_callback' which wasn't made to handle that.
Now HEADERFUNCTION is explicitly set to NULL if it isn't set to the
callback.
---
src/main.c | 8 ++++++--
1 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/src/main.c b/src/main.c
index 276718b..56cd133 100644
--- a/src/main.c
+++ b/src/main.c
@@ -5415,8 +5415,6 @@ operate(struct Configurable *config, int argc, argv_item_t argv[])
my_setopt(curl, CURLOPT_QUOTE, config->quote);
my_setopt(curl, CURLOPT_POSTQUOTE, config->postquote);
my_setopt(curl, CURLOPT_PREQUOTE, config->prequote);
- my_setopt(curl, CURLOPT_HEADERDATA,
- config->headerfile?&heads:NULL);
my_setopt_str(curl, CURLOPT_COOKIEFILE, config->cookiefile);
/* cookie jar was added in 7.9 */
if(config->cookiejar)
@@ -5621,6 +5619,12 @@ operate(struct Configurable *config, int argc, argv_item_t argv[])
my_setopt(curl, CURLOPT_HEADERFUNCTION, header_callback);
my_setopt(curl, CURLOPT_HEADERDATA, &outs);
}
+ else {
+ /* if HEADERFUNCTION was set to something in the previous loop, it
+ is important that we set it (back) to NULL now */
+ my_setopt(curl, CURLOPT_HEADERFUNCTION, NULL);
+ my_setopt(curl, CURLOPT_HEADERDATA, config->headerfile?&heads:NULL);
+ }
if(config->resolve)
/* new in 7.21.3 */
--
1.7.6

9
curl.spec
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@ -1,7 +1,7 @@
Summary: A utility for getting files from remote servers (FTP, HTTP, and others)
Name: curl
Version: 7.21.7
Release: 3%{?dist}
Release: 4%{?dist}
License: MIT
Group: Applications/Internet
Source: http://curl.haxx.se/download/%{name}-%{version}.tar.lzma
@ -13,6 +13,7 @@ Patch1: 0001-curl-7.21.7-a7864c4.patch
# fix SIGSEGV of curl -O -J given more than one URLs (#723075)
Patch2: 0002-curl-7.21.7-5eb2396.patch
Patch5: 0005-curl-7.21.7-61ae7e9.patch
# introduce the --delegation option of curl (#730444)
Patch3: 0003-curl-7.21.7-5538904.patch
@ -123,6 +124,7 @@ done
%patch2 -p1
%patch3 -p1
%patch4 -p1
%patch5 -p1
# Fedora patches
%patch101 -p1
@ -236,8 +238,11 @@ rm -rf $RPM_BUILD_ROOT
%{_datadir}/aclocal/libcurl.m4
%changelog
* Sun Aug 21 2011 Paul Howarth <paul@city-fan.org> 7.21.7-4
- actually fix SIGSEGV of curl -O -J given more than one URL (#723075)
* Mon Aug 15 2011 Kamil Dudka <kdudka@redhat.com> 7.21.7-3
- fix SIGSEGV of curl -O -J given more than one URLs (#723075)
- fix SIGSEGV of curl -O -J given more than one URL (#723075)
- introduce the --delegation option of curl (#730444)
- initialize NSS with no database if the selected database is broken (#728562)