diff options
Diffstat (limited to 'main/pbx.c')
| -rw-r--r-- | main/pbx.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/main/pbx.c b/main/pbx.c index 4d6d31ec4..27f1a4ecb 100644 --- a/main/pbx.c +++ b/main/pbx.c @@ -7153,13 +7153,25 @@ static int ast_add_extension2_lockopt(struct ast_context *con, /* If we are adding a hint evalulate in variables and global variables */ if (priority == PRIORITY_HINT && strstr(application, "${") && extension[0] != '_') { + int inhibited; struct ast_channel *c = ast_dummy_channel_alloc(); if (c) { ast_channel_exten_set(c, extension); ast_channel_context_set(c, con->name); } + + /* + * We can allow dangerous functions when adding a hint since + * altering dialplan is itself a privileged activity. Otherwise, + * we could never execute dangerous functions. + */ + inhibited = ast_thread_inhibit_escalations_swap(0); pbx_substitute_variables_helper(c, application, expand_buf, sizeof(expand_buf)); + if (0 < inhibited) { + ast_thread_inhibit_escalations(); + } + application = expand_buf; if (c) { ast_channel_unref(c); |