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Make sure that we don't accept an answer on an inbound call and don't permit asterisk to answer an outbound call

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@26103 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Spencer
2006-05-09 15:01:10 +00:00
parent f429105aae
commit f2bc3c61cc
2 changed files with 15 additions and 5 deletions
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19
channel.c
View File

@@ -1485,6 +1485,9 @@ int ast_answer(struct ast_channel *chan)
{
int res = 0;
ast_channel_lock(chan);
/* You can't answer an outbound call */
if (ast_test_flag(chan, AST_FLAG_OUTGOING))
return 0;
/* Stop if we're a zombie or need a soft hangup */
if (ast_test_flag(chan, AST_FLAG_ZOMBIE) || ast_check_hangup(chan)) {
ast_channel_unlock(chan);
@@ -1953,13 +1956,17 @@ static struct ast_frame *__ast_read(struct ast_channel *chan, int dropaudio)
switch (f->frametype) {
case AST_FRAME_CONTROL:
if (f->subclass == AST_CONTROL_ANSWER) {
if (prestate == AST_STATE_UP) {
if (!ast_test_flag(chan, AST_FLAG_OUTGOING)) {
ast_log(LOG_DEBUG, "Ignoring answer on an inbound call!\n");
f = &ast_null_frame;
} else if (prestate == AST_STATE_UP) {
ast_log(LOG_DEBUG, "Dropping duplicate answer!\n");
f = &ast_null_frame;
} else {
/* Answer the CDR */
ast_setstate(chan, AST_STATE_UP);
ast_cdr_answer(chan->cdr);
}
/* Answer the CDR */
ast_setstate(chan, AST_STATE_UP);
ast_cdr_answer(chan->cdr);
}
break;
case AST_FRAME_DTMF:
@@ -2638,9 +2645,11 @@ int ast_call(struct ast_channel *chan, char *addr, int timeout)
int res = -1;
/* Stop if we're a zombie or need a soft hangup */
ast_channel_lock(chan);
if (!ast_test_flag(chan, AST_FLAG_ZOMBIE) && !ast_check_hangup(chan))
if (!ast_test_flag(chan, AST_FLAG_ZOMBIE) && !ast_check_hangup(chan)) {
if (chan->tech->call)
res = chan->tech->call(chan, addr, timeout);
ast_set_flag(chan, AST_FLAG_OUTGOING);
}
ast_channel_unlock(chan);
return res;
}

1
include/asterisk/channel.h
View File

@@ -466,6 +466,7 @@ struct ast_channel {
so when ->priority is set, it will get incremented before
finding the next priority to run
*/
#define AST_FLAG_OUTGOING (1 << 10) /*! Is this call outgoing */
/* @} */
#define AST_FEATURE_PLAY_WARNING (1 << 0)