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STIR/SHAKEN: Add Date header, dest->tn, and URL checking.

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STIR/SHAKEN requires a Date header alongside the Identity header, so
that has been added. Still on the outgoing side, we were missing the
dest->tn section of the JSON payload, so that has been added as well.
Moving to the incoming side, URL checking has been added to the public
cert URL to ensure that it starts with http.

https://wiki.asterisk.org/wiki/display/AST/OpenSIPit+2021

Change-Id: Idee5b1b5e45bc3b483b3070e46ce322dca5b3f1c
This commit is contained in:
Ben Ford
2021-05-19 13:45:16 -05:00
committed by Joshua Colp
parent 44fde9f428
commit 12e8600849
4 changed files with 89 additions and 26 deletions
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15
res/res_pjsip_registrar.c
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@@ -247,19 +247,6 @@ static int registrar_add_contact(void *obj, void *arg, int flags)
return 0;
}
/*! \brief Helper function which adds a Date header to a response */
static void registrar_add_date_header(pjsip_tx_data *tdata)
{
char date[256];
struct tm tm;
time_t t = time(NULL);
gmtime_r(&t, &tm);
strftime(date, sizeof(date), "%a, %d %b %Y %T GMT", &tm);
ast_sip_add_header(tdata, "Date", date);
}
static const pj_str_t path_hdr_name = { "Path", 4 };
static int build_path_data(pjsip_rx_data *rdata, struct ast_str **path_str)
@@ -898,7 +885,7 @@ static void register_aor_core(pjsip_rx_data *rdata,
ao2_cleanup(response_contact);
/* Add the date header to the response, some UAs use this to set their date and time */
registrar_add_date_header(tdata);
ast_sip_add_date_header(tdata);
ao2_callback(contacts, 0, registrar_add_contact, tdata);