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authorTilghman Lesher <tilghman@meg.abyt.es>2008-04-30 19:21:04 +0000
committerTilghman Lesher <tilghman@meg.abyt.es>2008-04-30 19:21:04 +0000
commit527c601d0cf28b0b062a1e6d1ea1ec02cb9568dd (patch)
tree89d592fc9e276ed41a21062589ea44fedcf6d0d2 /apps/app_externalivr.c
parent4c3aecfc55663f0ed9d441aa2d2b2d4ddd35e28e (diff)
Lock around variables retrieved, and copy the values, if they stay persistent,
since another thread could remove them. (closes issue #12541) Reported by: snuffy Patches: bug_12156_apps.diff uploaded by snuffy (license 35) Several additional changes by me git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@114904 65c4cc65-6c06-0410-ace0-fbb531ad65f3
Diffstat (limited to 'apps/app_externalivr.c')
-rw-r--r--apps/app_externalivr.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/apps/app_externalivr.c b/apps/app_externalivr.c
index 3bf7dd1c7..a93abb4a8 100644
--- a/apps/app_externalivr.c
+++ b/apps/app_externalivr.c
@@ -251,10 +251,13 @@ static void ast_eivr_getvariable(struct ast_channel *chan, char *data, char *out
break;
}
- value = pbx_builtin_getvar_helper(chan, variable);
- if(!value)
+ ast_channel_lock(chan);
+ if (!(value = pbx_builtin_getvar_helper(chan, variable))) {
value = "";
+ }
+
ast_str_append(&newstring, 0, "%s=%s,", variable, value);
+ ast_channel_unlock(chan);
ast_copy_string(outbuf, newstring->str, outbuflen);
}
};