- upstream patch preventing failure of test536 with threaded DNS resolver

- upstream patch preventing SSL handshake timeout underflow
This commit is contained in:
Kamil Dudka 2010-04-24 21:40:02 +00:00
parent 1105c159cc
commit a819956d07
5 changed files with 299 additions and 60 deletions

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@ -1,16 +0,0 @@
tests/runtests.pl | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/tests/runtests.pl b/tests/runtests.pl
index 6e3b5b9..75386b8 100755
--- a/tests/runtests.pl
+++ b/tests/runtests.pl
@@ -221,7 +221,7 @@ my $sshdverstr; # for socks server, ssh daemon version string
my $sshderror; # for socks server, ssh daemon version error
my $defserverlogslocktimeout = 20; # timeout to await server logs lock removal
-my $defpostcommanddelay = 0; # delay between command and postcheck sections
+my $defpostcommanddelay = 1; # delay between command and postcheck sections
my $timestats; # time stamping and stats generation
my $fullstats; # show time stats for every single test

51
curl-7.20.1-157f20f.patch Normal file
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@ -0,0 +1,51 @@
From 157f20fd2ce7d8519b863e57f3d77d17fb41bc9c Mon Sep 17 00:00:00 2001
From: Kamil Dudka <kdudka@redhat.com>
Date: Sat, 24 Apr 2010 23:21:13 +0200
Subject: [PATCH] nss: fix SSL handshake timeout underflow
lib/nss.c | 10 +++++++++-
2 files changed, 12 insertions(+), 1 deletions(-)
diff --git a/CHANGES b/CHANGES
index 99f04a5..7433364 100644
--- a/CHANGES
+++ b/CHANGES
@@ -10,6 +10,9 @@ Kamil Dudka (24 Apr 2010)
- Fixed test536 in order to not fail with threaded DNS resolver and tweaked
comments in certain examples using curl_multi_fdset().
+- Fixed SSL handshake timeout underflow in libcurl-NSS, which caused test405
+ to hang on a slow machine.
+
Version 7.20.1 (14 April 2010)
Daniel Stenberg (9 Apr 2010)
diff --git a/lib/nss.c b/lib/nss.c
index 0f8ebd5..addb94b 100644
--- a/lib/nss.c
+++ b/lib/nss.c
@@ -1025,6 +1025,7 @@ CURLcode Curl_nss_connect(struct connectdata *conn, int sockindex)
int curlerr;
const int *cipher_to_enable;
PRSocketOptionData sock_opt;
+ long time_left;
PRUint32 timeout;
curlerr = CURLE_SSL_CONNECT_ERROR;
@@ -1302,8 +1303,15 @@ CURLcode Curl_nss_connect(struct connectdata *conn, int sockindex)
SSL_SetURL(connssl->handle, conn->host.name);
+ /* check timeout situation */
+ time_left = Curl_timeleft(conn, NULL, TRUE);
+ if(time_left < 0L) {
+ failf(data, "timed out before SSL handshake");
+ goto error;
+ }
+ timeout = PR_MillisecondsToInterval((PRUint32) time_left);
+
/* Force the handshake now */
- timeout = PR_MillisecondsToInterval((PRUint32)Curl_timeleft(conn, NULL, TRUE));
if(SSL_ForceHandshakeWithTimeout(connssl->handle, timeout) != SECSuccess) {
if(conn->data->set.ssl.certverifyresult == SSL_ERROR_BAD_CERT_DOMAIN)
curlerr = CURLE_PEER_FAILED_VERIFICATION;

236
curl-7.20.1-d487ade.patch Normal file
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@ -0,0 +1,236 @@
From d487ade72c5f31703ce097e8460e0225fad80348 Mon Sep 17 00:00:00 2001
From: Kamil Dudka <kdudka@redhat.com>
Date: Sat, 24 Apr 2010 12:14:21 +0200
Subject: [PATCH] test536: do not fail with threaded DNS resolver
Also tweaked comments in certain examples using curl_multi_fdset().
---
CHANGES | 4 ++++
docs/examples/fopen.c | 8 +++++---
docs/examples/multi-app.c | 8 +++++---
docs/examples/multi-debugcallback.c | 8 +++++---
docs/examples/multi-double.c | 8 +++++---
docs/examples/multi-post.c | 8 +++++---
docs/examples/multi-single.c | 8 +++++---
tests/libtest/lib536.c | 16 ++++++++++++----
8 files changed, 46 insertions(+), 22 deletions(-)
diff --git a/CHANGES b/CHANGES
index 9ae615a..99f04a5 100644
--- a/CHANGES
+++ b/CHANGES
@@ -6,6 +6,10 @@
Changelog
+Kamil Dudka (24 Apr 2010)
+- Fixed test536 in order to not fail with threaded DNS resolver and tweaked
+ comments in certain examples using curl_multi_fdset().
+
Version 7.20.1 (14 April 2010)
Daniel Stenberg (9 Apr 2010)
diff --git a/docs/examples/fopen.c b/docs/examples/fopen.c
index e3814e6..35e24b1 100644
--- a/docs/examples/fopen.c
+++ b/docs/examples/fopen.c
@@ -131,7 +131,6 @@ fill_buffer(URL_FILE *file,int want,int waittime)
fd_set fdread;
fd_set fdwrite;
fd_set fdexcep;
- int maxfd;
struct timeval timeout;
int rc;
@@ -144,6 +143,7 @@ fill_buffer(URL_FILE *file,int want,int waittime)
/* attempt to fill buffer */
do
{
+ int maxfd = -1;
FD_ZERO(&fdread);
FD_ZERO(&fdwrite);
FD_ZERO(&fdexcep);
@@ -156,8 +156,10 @@ fill_buffer(URL_FILE *file,int want,int waittime)
curl_multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd);
/* In a real-world program you OF COURSE check the return code of the
- function calls, *and* you make sure that maxfd is bigger than -1
- so that the call to select() below makes sense! */
+ function calls. On success, the value of maxfd is guaranteed to be
+ greater or equal than -1. We call select(maxfd + 1, ...), specially
+ in case of (maxfd == -1), we call select(0, ...), which is basically
+ equal to sleep. */
rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout);
diff --git a/docs/examples/multi-app.c b/docs/examples/multi-app.c
index a86dd0e..38b50cd 100644
--- a/docs/examples/multi-app.c
+++ b/docs/examples/multi-app.c
@@ -66,7 +66,7 @@ int main(int argc, char **argv)
fd_set fdread;
fd_set fdwrite;
fd_set fdexcep;
- int maxfd;
+ int maxfd = -1;
FD_ZERO(&fdread);
FD_ZERO(&fdwrite);
@@ -80,8 +80,10 @@ int main(int argc, char **argv)
curl_multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd);
/* In a real-world program you OF COURSE check the return code of the
- function calls, *and* you make sure that maxfd is bigger than -1 so
- that the call to select() below makes sense! */
+ function calls. On success, the value of maxfd is guaranteed to be
+ greater or equal than -1. We call select(maxfd + 1, ...), specially in
+ case of (maxfd == -1), we call select(0, ...), which is basically equal
+ to sleep. */
rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout);
diff --git a/docs/examples/multi-debugcallback.c b/docs/examples/multi-debugcallback.c
index b10b47c..8e964c6 100644
--- a/docs/examples/multi-debugcallback.c
+++ b/docs/examples/multi-debugcallback.c
@@ -140,7 +140,7 @@ int main(int argc, char **argv)
fd_set fdread;
fd_set fdwrite;
fd_set fdexcep;
- int maxfd;
+ int maxfd = -1;
FD_ZERO(&fdread);
FD_ZERO(&fdwrite);
@@ -154,8 +154,10 @@ int main(int argc, char **argv)
curl_multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd);
/* In a real-world program you OF COURSE check the return code of the
- function calls, *and* you make sure that maxfd is bigger than -1
- so that the call to select() below makes sense! */
+ function calls. On success, the value of maxfd is guaranteed to be
+ greater or equal than -1. We call select(maxfd + 1, ...), specially in
+ case of (maxfd == -1), we call select(0, ...), which is basically equal
+ to sleep. */
rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout);
diff --git a/docs/examples/multi-double.c b/docs/examples/multi-double.c
index ef3bf92..bc5b446 100644
--- a/docs/examples/multi-double.c
+++ b/docs/examples/multi-double.c
@@ -57,7 +57,7 @@ int main(int argc, char **argv)
fd_set fdread;
fd_set fdwrite;
fd_set fdexcep;
- int maxfd;
+ int maxfd = -1;
FD_ZERO(&fdread);
FD_ZERO(&fdwrite);
@@ -71,8 +71,10 @@ int main(int argc, char **argv)
curl_multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd);
/* In a real-world program you OF COURSE check the return code of the
- function calls, *and* you make sure that maxfd is bigger than -1 so
- that the call to select() below makes sense! */
+ function calls. On success, the value of maxfd is guaranteed to be
+ greater or equal than -1. We call select(maxfd + 1, ...), specially in
+ case of (maxfd == -1), we call select(0, ...), which is basically equal
+ to sleep. */
rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout);
diff --git a/docs/examples/multi-post.c b/docs/examples/multi-post.c
index 229e843..0d3f78e 100644
--- a/docs/examples/multi-post.c
+++ b/docs/examples/multi-post.c
@@ -77,7 +77,7 @@ int main(int argc, char *argv[])
fd_set fdread;
fd_set fdwrite;
fd_set fdexcep;
- int maxfd;
+ int maxfd = -1;
FD_ZERO(&fdread);
FD_ZERO(&fdwrite);
@@ -91,8 +91,10 @@ int main(int argc, char *argv[])
curl_multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd);
/* In a real-world program you OF COURSE check the return code of the
- function calls, *and* you make sure that maxfd is bigger than -1
- so that the call to select() below makes sense! */
+ function calls. On success, the value of maxfd is guaranteed to be
+ greater or equal than -1. We call select(maxfd + 1, ...), specially in
+ case of (maxfd == -1), we call select(0, ...), which is basically equal
+ to sleep. */
rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout);
diff --git a/docs/examples/multi-single.c b/docs/examples/multi-single.c
index 3e236f3..cba4f32 100644
--- a/docs/examples/multi-single.c
+++ b/docs/examples/multi-single.c
@@ -51,7 +51,7 @@ int main(int argc, char **argv)
fd_set fdread;
fd_set fdwrite;
fd_set fdexcep;
- int maxfd;
+ int maxfd = -1;
FD_ZERO(&fdread);
FD_ZERO(&fdwrite);
@@ -65,8 +65,10 @@ int main(int argc, char **argv)
curl_multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd);
/* In a real-world program you OF COURSE check the return code of the
- function calls, *and* you make sure that maxfd is bigger than -1 so
- that the call to select() below makes sense! */
+ function calls. On success, the value of maxfd is guaranteed to be
+ greater or equal than -1. We call select(maxfd + 1, ...), specially in
+ case of (maxfd == -1), we call select(0, ...), which is basically equal
+ to sleep. */
rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout);
diff --git a/tests/libtest/lib536.c b/tests/libtest/lib536.c
index 04bc696..e0c19f6 100644
--- a/tests/libtest/lib536.c
+++ b/tests/libtest/lib536.c
@@ -21,7 +21,7 @@
static CURLMcode perform(CURLM * multi)
{
- int handles, maxfd;
+ int handles;
CURLMcode code;
fd_set fdread, fdwrite, fdexcep;
struct timeval mp_start;
@@ -31,6 +31,9 @@ static CURLMcode perform(CURLM * multi)
mp_start = tutil_tvnow();
for (;;) {
+ static struct timeval timeout = /* 100 ms */ { 0, 100000L };
+ int maxfd = -1;
+
code = curl_multi_perform(multi, &handles);
if (tutil_tvdiff(tutil_tvnow(), mp_start) >
MULTI_PERFORM_HANG_TIMEOUT) {
@@ -53,9 +56,14 @@ static CURLMcode perform(CURLM * multi)
FD_ZERO(&fdwrite);
FD_ZERO(&fdexcep);
curl_multi_fdset(multi, &fdread, &fdwrite, &fdexcep, &maxfd);
- if (maxfd < 0)
- return (CURLMcode) ~CURLM_OK;
- if (select(maxfd + 1, &fdread, &fdwrite, &fdexcep, 0) == -1)
+
+ /* In a real-world program you OF COURSE check the return code of the
+ function calls. On success, the value of maxfd is guaranteed to be
+ greater or equal than -1. We call select(maxfd + 1, ...), specially in
+ case of (maxfd == -1), we call select(0, ...), which is basically equal
+ to sleep. */
+
+ if (select(maxfd + 1, &fdread, &fdwrite, &fdexcep, &timeout) == -1)
return (CURLMcode) ~CURLM_OK;
}

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@ -1,40 +0,0 @@
lib/multi.c | 17 ++++++++++++++++-
1 files changed, 16 insertions(+), 1 deletions(-)
diff --git a/lib/multi.c b/lib/multi.c
index 476cb81..74eb0f4 100644
--- a/lib/multi.c
+++ b/lib/multi.c
@@ -933,9 +933,16 @@ static CURLMcode multi_runsingle(struct Curl_multi *multi,
easy->result = addHandleToSendOrPendPipeline(easy->easy_handle,
easy->easy_conn);
if(CURLE_OK == easy->result) {
- if(async)
+ if(async) {
/* We're now waiting for an asynchronous name lookup */
multistate(easy, CURLM_STATE_WAITRESOLVE);
+#ifdef USE_THREADS_POSIX
+ /* Curl_resolv_getsock() is not properly implemented in case
+ * we use POSIX threaded DNS resolver, we have to hang */
+ result = CURLM_CALL_MULTI_PERFORM;
+ break;
+#endif
+ }
else {
/* after the connect has been sent off, go WAITCONNECT unless the
protocol connect is already done and we can go directly to
@@ -1003,6 +1010,14 @@ static CURLMcode multi_runsingle(struct Curl_multi *multi,
disconnect_conn = TRUE;
break;
}
+#ifdef USE_THREADS_POSIX
+ /* Curl_resolv_getsock() is not properly implemented yet in case
+ * we use POSIX threaded DNS resolver, we have to hang */
+ Curl_socket_ready(CURL_SOCKET_BAD, CURL_SOCKET_BAD, 100 /* ms */);
+ result = CURLM_CALL_MULTI_PERFORM;
+ break;
+#endif
+
}
break;

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@ -1,7 +1,7 @@
Summary: A utility for getting files from remote servers (FTP, HTTP, and others)
Name: curl
Version: 7.20.1
Release: 3%{?dist}
Release: 4%{?dist}
License: MIT
Group: Applications/Internet
Source: http://curl.haxx.se/download/%{name}-%{version}.tar.lzma
@ -10,8 +10,11 @@ Source2: curlbuild.h
# upstream commit e32fe30d0cf7c1f7045ac0bd29322e7fb4feb5c8
Patch0: curl-7.20.0-e32fe30.patch
# experimentally enabled threaded DNS lookup
Patch1: curl-7.20.1-threaded-dns-multi.patch
# upstream commit d487ade72c5f31703ce097e8460e0225fad80348
Patch1: curl-7.20.1-d487ade.patch
# upstream commit 157f20fd2ce7d8519b863e57f3d77d17fb41bc9c
Patch2: curl-7.20.1-157f20f.patch
# patch making libcurl multilib ready
Patch101: curl-7.20.0-multilib.patch
@ -104,8 +107,9 @@ done
# revert an upstream commit which breaks Fedora builds
%patch0 -p1 -R
# upstream patches (not yet applied)
# upstream patches (already applied)
%patch1 -p1
%patch2 -p1
# Fedora patches
%patch101 -p1
@ -215,6 +219,10 @@ rm -rf $RPM_BUILD_ROOT
%{_datadir}/aclocal/libcurl.m4
%changelog
* Sat Apr 24 2010 Kamil Dudka <kdudka@redhat.com> 7.20.1-4
- upstream patch preventing failure of test536 with threaded DNS resolver
- upstream patch preventing SSL handshake timeout underflow
* Thu Apr 22 2010 Paul Howarth <paul@city-fan.org> 7.20.1-3
- replace Rawhide s390-sleep patch with a more targeted patch adding a
delay after tests 513 and 514 rather than after all tests