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res_pjsip: Fixed invalid empty Server and User-Agent SIP headers.

Browse Source 
Setting pjsip.conf useragent to an empty string results in an empty SIP
header being sent.

* Made not add an empty SIP header item to the global SIP headers list.

Review: https://reviewboard.asterisk.org/r/4467/
........

Merged revisions 432764 from http://svn.asterisk.org/svn/asterisk/branches/13


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@432765 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Richard Mudgett
2015-03-11 15:22:01 +00:00
parent 2889f074a0
commit 185d2e082a
1 changed files with 9 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
res/res_pjsip/pjsip_global_headers.c
View File

@@ -121,18 +121,22 @@ static void remove_header(struct header_list *headers, const char *to_remove)
static int add_header(struct header_list *headers, const char *name, const char *value, int replace)
{
struct header *to_add;
struct header *to_add = NULL;
to_add = alloc_header(name, value);
if (!to_add) {
return -1;
if (!ast_strlen_zero(value)) {
to_add = alloc_header(name, value);
if (!to_add) {
return -1;
}
}
AST_RWLIST_WRLOCK(headers);
if (replace) {
remove_header(headers, name);
}
AST_LIST_INSERT_TAIL(headers, to_add, next);
if (to_add) {
AST_LIST_INSERT_TAIL(headers, to_add, next);
}
AST_RWLIST_UNLOCK(headers);
return 0;