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When a Ctrl-C or Ctrl-D ends a remote console, on certain shells, the terminal

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is messed up.  By intercepting those events with a signal handler in the remote
console, we can avoid those issues.
(closes issue #13464)
 Reported by: tzafrir
 Patches: 
       20081110__bug13464.diff.txt uploaded by Corydon76 (license 14)
 Tested by: blitzrage


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@163383 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Tilghman Lesher
2008-12-11 23:35:55 +00:00
parent 11e2a937dc
commit f6ef5d5d6c
1 changed files with 21 additions and 0 deletions
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21
main/asterisk.c
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@@ -1363,6 +1363,11 @@ static void __quit_handler(int num)
* is going to exit */
}
static void __remote_quit_handler(int num)
{
sig_flags.need_quit = 1;
}
static const char *fix_header(char *outbuf, int maxout, const char *s, char *cmp)
{
const char *c;
@@ -2306,6 +2311,11 @@ static void ast_remotecontrol(char *data)
char *ebuf;
int num = 0;
memset(&sig_flags, 0, sizeof(sig_flags));
signal(SIGINT, __remote_quit_handler);
signal(SIGTERM, __remote_quit_handler);
signal(SIGHUP, __remote_quit_handler);
if (read(ast_consock, buf, sizeof(buf)) < 0) {
ast_log(LOG_ERROR, "read() failed: %s\n", strerror(errno));
return;
@@ -2313,6 +2323,9 @@ static void ast_remotecontrol(char *data)
if (data) {
if (write(ast_consock, data, strlen(data) + 1) < 0) {
ast_log(LOG_ERROR, "write() failed: %s\n", strerror(errno));
if (sig_flags.need_quit == 1) {
return;
}
}
}
stringp = buf;
@@ -2358,6 +2371,10 @@ static void ast_remotecontrol(char *data)
char buf[512] = "", *curline = buf, *nextline;
int not_written = 1;
if (sig_flags.need_quit == 1) {
break;
}
if (read(ast_consock, buf, sizeof(buf) - 1) <= 0) {
break;
}
@@ -2389,6 +2406,10 @@ static void ast_remotecontrol(char *data)
for (;;) {
ebuf = (char *)el_gets(el, &num);
if (sig_flags.need_quit == 1) {
break;
}
if (!ebuf && write(1, "", 1) < 0)
break;