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chan_pjsip: disallow PJSIP_SEND_SESSION_REFRESH pre-answer execution

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This patch makes it so if the PJSIP_SEND_SESSION_REFRESH dialplan function
is called on a channel prior to answering a warning is issued and the
function returns unsuccessful.

ASTERISK-28878 #close

Change-Id: I053f767d10cf3b2b898fa9e3e7c35ff07e23c9bb
This commit is contained in:
Kevin Harwell
2020-08-24 16:26:23 -05:00
committed by Friendly Automation
parent e519d28fe0
commit bf139ff519
2 changed files with 9 additions and 0 deletions
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5
channels/pjsip/dialplan_functions.c
View File

@@ -1532,6 +1532,11 @@ int pjsip_acf_session_refresh_write(struct ast_channel *chan, const char *cmd, c
return -1; return -1;
} }
if (ast_channel_state(chan) != AST_STATE_UP) {
ast_log(LOG_WARNING, "'%s' not allowed on unanswered channel '%s'.\n", cmd, ast_channel_name(chan));
return -1;
}
if (strcmp(ast_channel_tech(chan)->type, "PJSIP")) { if (strcmp(ast_channel_tech(chan)->type, "PJSIP")) {
ast_log(LOG_WARNING, "Cannot call %s on a non-PJSIP channel\n", cmd); ast_log(LOG_WARNING, "Cannot call %s on a non-PJSIP channel\n", cmd);
return -1; return -1;

4
doc/CHANGES-staging/pjsip_send_session_refresh.txt Normal file
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@@ -0,0 +1,4 @@
Subject: chan_pjsip
The PJSIP_SEND_SESSION_REFRESH dialplan function now issues a warning, and
returns unsuccessful if it's used on a channel prior to answering.