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SIGPIPE shall be ignored in most network-related cases.

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This commit is contained in:
Thomas Pornin 2016-11-20 16:23:00 +01:00
parent 7561e7d6c8
commit 3b044d4296
4 changed files with 24 additions and 0 deletions
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6
samples/client_basic.c
View file

@ -27,6 +27,7 @@
#include <string.h> #include <string.h>
#include <stdint.h> #include <stdint.h>
#include <errno.h> #include <errno.h>
#include <signal.h>
#include <sys/types.h> #include <sys/types.h>
#include <sys/socket.h> #include <sys/socket.h>
@ -260,6 +261,11 @@ main(int argc, char *argv[])
path = "/"; path = "/";
} }
/*
* Ignore SIGPIPE to avoid crashing in case of abrupt socket close.
*/
signal(SIGPIPE, SIG_IGN);
/* /*
* Open the socket to the target server. * Open the socket to the target server.
*/ */

6
samples/server_basic.c
View file

@ -27,6 +27,7 @@
#include <string.h> #include <string.h>
#include <stdint.h> #include <stdint.h>
#include <errno.h> #include <errno.h>
#include <signal.h>
#include <sys/types.h> #include <sys/types.h>
#include <sys/socket.h> #include <sys/socket.h>
@ -278,6 +279,11 @@ main(int argc, char *argv[])
} }
port = argv[1]; port = argv[1];
/*
* Ignore SIGPIPE to avoid crashing in case of abrupt socket close.
*/
signal(SIGPIPE, SIG_IGN);
/* /*
* Open the server socket. * Open the server socket.
*/ */

6
tools/client.c
View file

@ -27,6 +27,7 @@
#include <string.h> #include <string.h>
#include <stdint.h> #include <stdint.h>
#include <errno.h> #include <errno.h>
#include <signal.h>
#include <sys/types.h> #include <sys/types.h>
#include <sys/socket.h> #include <sys/socket.h>
@ -619,6 +620,11 @@ do_client(int argc, char *argv[])
br_ssl_engine_set_buffer(&cc.eng, iobuf, iobuf_len, bidi); br_ssl_engine_set_buffer(&cc.eng, iobuf, iobuf_len, bidi);
br_ssl_client_reset(&cc, sni, 0); br_ssl_client_reset(&cc, sni, 0);
/*
* We need to avoid SIGPIPE.
*/
signal(SIGPIPE, SIG_IGN);
/* /*
* Connect to the peer. * Connect to the peer.
*/ */

6
tools/server.c
View file

@ -27,6 +27,7 @@
#include <string.h> #include <string.h>
#include <stdint.h> #include <stdint.h>
#include <errno.h> #include <errno.h>
#include <signal.h>
#include <sys/types.h> #include <sys/types.h>
#include <sys/socket.h> #include <sys/socket.h>
@ -1010,6 +1011,11 @@ do_server(int argc, char *argv[])
br_ssl_engine_set_buffer(&cc.eng, iobuf, iobuf_len, bidi); br_ssl_engine_set_buffer(&cc.eng, iobuf, iobuf_len, bidi);
/*
* We need to ignore SIGPIPE.
*/
signal(SIGPIPE, SIG_IGN);
/* /*
* Open the server socket. * Open the server socket.
*/ */