static int check_heap(int verbose){
if (verbose){
dbg_printf("check_heap\n");}
int flag=check_epi_pro(1)|check_align(1);
flag|=check_hf(1)|check_coalesce(1);
return flag;
}
/*
* Purpose of this function is to find credentials with given realm,
* do sanity check, validate credential correctness and determine if
* we should really authenticate (there must be no authentication for
* ACK and CANCEL
* @param hdr output param where the Authorize headerfield will be returned.
* @param check_hdr pointer to the function checking Authorization header field
*/
auth_result_t pre_auth(struct sip_msg* msg, str* realm, hdr_types_t hftype,
struct hdr_field** hdr,
check_auth_hdr_t check_auth_hdr)
{
int ret;
auth_body_t* c;
check_auth_hdr_t check_hf;
auth_result_t auth_rv;
/* ACK and CANCEL must be always authenticated, there is
* no way how to challenge ACK and CANCEL cannot be
* challenged because it must have the same CSeq as
* the request to be canceled.
* PRACK is also not authenticated
*/
if (msg->REQ_METHOD & (METHOD_ACK|METHOD_CANCEL|METHOD_PRACK))
return AUTHENTICATED;
/* Try to find credentials with corresponding realm
* in the message, parse them and return pointer to
* parsed structure
*/
strip_realm(realm);
ret = find_credentials(msg, realm, hftype, hdr);
if (ret < 0) {
LOG(L_ERR, "auth:pre_auth: Error while looking for credentials\n");
return ERROR;
} else if (ret > 0) {
DBG("auth:pre_auth: Credentials with realm '%.*s' not found\n",
realm->len, ZSW(realm->s));
return NO_CREDENTIALS;
}
/* Pointer to the parsed credentials */
c = (auth_body_t*)((*hdr)->parsed);
/* digest headers are in c->digest */
DBG("auth: digest-algo: %.*s parsed value: %d\n",
c->digest.alg.alg_str.len, c->digest.alg.alg_str.s,
c->digest.alg.alg_parsed);
if (mark_authorized_cred(msg, *hdr) < 0) {
LOG(L_ERR, "auth:pre_auth: Error while marking parsed credentials\n");
return ERROR;
}
/* check authorization header field's validity */
if (check_auth_hdr == NULL) {
check_hf = auth_check_hdr_md5;
} else { /* use check function of external authentication module */
check_hf = check_auth_hdr;
}
/* use the right function */
if (!check_hf(msg, c, &auth_rv)) {
return auth_rv;
}
return DO_AUTHENTICATION;
}
