/*
* Report Identity header
* param trans Transaction handle
* return 0 success, -1 failure
*/
static int ospReportIdentity(
OSPTTRANHANDLE trans)
{
char encoded[OSP_SIGNBUF_SIZE];
unsigned signsize;
unsigned char sign[OSP_SIGNBUF_SIZE];
char alg[OSP_ALGBUF_SIZE];
char info[OSP_STRBUF_SIZE];
char type[OSP_STRBUF_SIZE];
unsigned canonsize;
unsigned char canon[OSP_STRBUF_SIZE];
int result = 0;
if (ospGetAVP(_osp_idsign_avpid, _osp_idsign_avptype, encoded, sizeof(encoded)) == 0) {
signsize = sizeof(sign);
if (OSPPBase64Decode(encoded, strlen(encoded), sign, &signsize) != OSPC_ERR_NO_ERROR) {
signsize = 0;
}
} else {
signsize = 0;
}
if (ospGetAVP(_osp_idalg_avpid, _osp_idalg_avptype, alg, sizeof(alg)) != 0) {
alg[0] = '\0';
}
if (ospGetAVP(_osp_idinfo_avpid, _osp_idinfo_avptype, info, sizeof(info)) != 0) {
info[0] = '\0';
}
if (ospGetAVP(_osp_idtype_avpid, _osp_idtype_avptype, type, sizeof(type)) != 0) {
type[0] = '\0';
}
if (ospGetAVP(_osp_idcanon_avpid, _osp_idcanon_avptype, encoded, sizeof(encoded)) == 0) {
canonsize = sizeof(canon);
if (OSPPBase64Decode(encoded, strlen(encoded), canon, &canonsize) != OSPC_ERR_NO_ERROR) {
canonsize = 0;
}
} else {
canonsize = 0;
}
if (OSPPTransactionSetIdentity(trans, signsize, sign, alg, info, type, canonsize, canon) != OSPC_ERR_NO_ERROR) {
result = -1;
}
return result;
}
/*
* Get OSP token from SIP message
* param msg SIP message
* param token OSP authorization token
* param tokensize Size of OSP authorization token
* return 0 success, -1 failure
*/
int ospGetOspHeader(
struct sip_msg* msg,
unsigned char* token,
unsigned int* tokensize)
{
struct hdr_field* hf;
int errorcode;
int result = -1;
parse_headers(msg, HDR_EOH_F, 0);
for (hf = msg->headers; hf; hf = hf->next) {
if ((hf->type == HDR_OTHER_T) && (hf->name.len == OSP_HEADER_SIZE - 2)) {
// possible hit
if (strncasecmp(hf->name.s, OSP_TOKEN_HEADER, OSP_HEADER_SIZE) == 0) {
if ((errorcode = OSPPBase64Decode(hf->body.s, hf->body.len, token, tokensize)) == OSPC_ERR_NO_ERROR) {
result = 0;
} else {
LM_ERR("failed to base64 decode token (%d)\n", errorcode);
LM_ERR("header '%.*s' length %d\n", hf->body.len, hf->body.s, hf->body.len);
}
break;
}
}
}
return result;
}
int getOspHeader(struct sip_msg* msg, char* token, int* sizeoftoken) {
struct hdr_field *hf;
int code;
int retVal = 1;
parse_headers(msg, HDR_EOH, 0);
for (hf=msg->headers; hf; hf=hf->next) {
if ( (hf->type == HDR_OTHER) && (hf->name.len == OSP_HEADER_LEN-2)) {
// possible hit
if (strncasecmp(hf->name.s, OSP_HEADER, OSP_HEADER_LEN) == 0) {
if ( (code=OSPPBase64Decode(hf->body.s, hf->body.len, token, sizeoftoken)) == 0) {
retVal = 0;
} else {
LOG(L_ERR, "ERROR: osp: getOspHeader: failed to base64 decode OSP token, reason - %d\n",code);
LOG(L_ERR, "ERROR: osp: header '%.*s' length %d\n",hf->body.len,hf->body.s,hf->body.len);
}
break;
}
}
}
return retVal;
}
/*
* Get OSP token from SIP message
* param msg SIP message
* param token OSP authorization token
* param tokensize Size of OSP authorization token
* return 0 success, -1 failure
*/
int ospGetOspHeader(
struct sip_msg* msg,
unsigned char* token,
unsigned int* tokensize)
{
struct hdr_field* hf;
int errorcode;
int result = -1;
if (parse_headers(msg, HDR_EOH_F, 0) != 0) {
LM_ERR("failed to parse all headers\n");
} else {
hf = get_header_by_name(msg, OSP_TOKEN_HEADER, OSP_HEADER_SIZE);
if (hf) {
if ((errorcode = OSPPBase64Decode(hf->body.s, hf->body.len, token, tokensize)) == OSPC_ERR_NO_ERROR) {
result = 0;
} else {
LM_ERR("failed to base64 decode token (%d)\n", errorcode);
LM_ERR("header '%.*s' length %d\n",
hf->body.len, hf->body.s, hf->body.len);
}
}
}
return result;
}
