Module: kamailio Branch: master Commit: 4d6c5d0e160921440d530e11c4d06d60a7800fc0 URL: https://github.com/kamailio/kamailio/commit/4d6c5d0e160921440d530e11c4d06d60... Author: Daniel-Constantin Mierla <miconda@gmail.com> Committer: Daniel-Constantin Mierla <miconda@gmail.com> Date: 2026-07-25T21:46:07+02:00 sanity: parameter to check the size of p-asserted-identity uri --- Modified: src/modules/sanity/sanity_mod.c --- Diff: https://github.com/kamailio/kamailio/commit/4d6c5d0e160921440d530e11c4d06d60... Patch: https://github.com/kamailio/kamailio/commit/4d6c5d0e160921440d530e11c4d06d60... --- diff --git a/src/modules/sanity/sanity_mod.c b/src/modules/sanity/sanity_mod.c index f683b89f7e0..c4f73976395 100644 --- a/src/modules/sanity/sanity_mod.c +++ b/src/modules/sanity/sanity_mod.c @@ -37,6 +37,7 @@ #include "../../core/parser/contact/contact.h" #include "../../core/parser/contact/parse_contact.h" #include "../../core/parser/parse_rr.h" +#include "../../core/parser/parse_ppi_pai.h" MODULE_VERSION @@ -56,6 +57,7 @@ int sn_size_to_uri = 256; int sn_size_contact_uri = 256; int sn_size_route_uri = 256; int sn_size_path_uri = 256; +int sn_size_pai_uri = 256; int sn_size_header = 2048; int sn_size_headers = 8192; int sn_size_body = 8192; @@ -103,6 +105,7 @@ static param_export_t params[] = { {"size_contact_uri", PARAM_INT, &sn_size_contact_uri}, {"size_route_uri", PARAM_INT, &sn_size_route_uri}, {"size_path_uri", PARAM_INT, &sn_size_path_uri}, + {"size_pai_uri", PARAM_INT, &sn_size_pai_uri}, {"size_header", PARAM_INT, &sn_size_header}, {"size_headers", PARAM_INT, &sn_size_headers}, {"size_body", PARAM_INT, &sn_size_body}, @@ -168,6 +171,8 @@ int sanity_check_sizes(sip_msg_t *msg) contact_t *cb = NULL; rr_t *rb = NULL; hdr_field_t *hf = NULL; + p_id_body_t *pib = NULL; + int i = 0; if(sn_size_message > 0) { if(msg->len > sn_size_message) { @@ -321,6 +326,28 @@ int sanity_check_sizes(sip_msg_t *msg) } } } + if(sn_size_pai_uri > 0) { + if(parse_pai_header(msg) == 0) { + for(hf = msg->pai; hf != NULL; hf = next_sibling_hdr(hf)) { + if(hf->type == HDR_PAI_T) { + pib = (p_id_body_t *)hf->parsed; + if(pib == NULL) { + LM_DBG("failed to parse P-Asserted-Identity header " + "body\n"); + return SANITY_CHECK_FAILED; + } + for(i = 0; i < pib->num_ids; i++) { + if(pib->id[i].uri.len > sn_size_pai_uri) { + return SANITY_CHECK_FAILED; + } + } + } + } + } else if(msg->pai != NULL) { + LM_DBG("failed to parse P-Asserted-Identity headers\n"); + return SANITY_CHECK_FAILED; + } + } if(sn_size_header > 0) { for(hf = msg->headers; hf != NULL; hf = hf->next) { if(hf->len > sn_size_header) {