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Fix dialplan function NULL channel safety issues

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(closes issue ASTERISK-23391)
Reported by: Corey Farrell
Review: https://reviewboard.asterisk.org/r/3386/
........

Merged revisions 411313 from http://svn.asterisk.org/svn/asterisk/branches/1.8


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/11@411314 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Corey Farrell
2014-03-27 19:13:09 +00:00
parent 90fa4e3c36
commit 8fe29356ac
28 changed files with 247 additions and 20 deletions
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20
main/message.c
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@@ -867,6 +867,11 @@ static int msg_func_read(struct ast_channel *chan, const char *function,
struct ast_datastore *ds;
struct ast_msg *msg;
if (!chan) {
ast_log(LOG_WARNING, "No channel was provided to %s function.\n", function);
return -1;
}
ast_channel_lock(chan);
if (!(ds = ast_channel_datastore_find(chan, &msg_datastore, NULL))) {
@@ -903,6 +908,11 @@ static int msg_func_write(struct ast_channel *chan, const char *function,
struct ast_datastore *ds;
struct ast_msg *msg;
if (!chan) {
ast_log(LOG_WARNING, "No channel was provided to %s function.\n", function);
return -1;
}
ast_channel_lock(chan);
if (!(ds = msg_datastore_find_or_create(chan))) {
@@ -959,6 +969,11 @@ static int msg_data_func_read(struct ast_channel *chan, const char *function,
struct ast_msg *msg;
const char *val;
if (!chan) {
ast_log(LOG_WARNING, "No channel was provided to %s function.\n", function);
return -1;
}
ast_channel_lock(chan);
if (!(ds = ast_channel_datastore_find(chan, &msg_datastore, NULL))) {
@@ -989,6 +1004,11 @@ static int msg_data_func_write(struct ast_channel *chan, const char *function,
struct ast_datastore *ds;
struct ast_msg *msg;
if (!chan) {
ast_log(LOG_WARNING, "No channel was provided to %s function.\n", function);
return -1;
}
ast_channel_lock(chan);
if (!(ds = msg_datastore_find_or_create(chan))) {