void mag_attempt_session(request_rec *req,
struct mag_config *cfg, struct mag_conn *mc)
{
session_rec *sess = NULL;
char *sessval = NULL;
struct databuf plainbuf = { 0 };
struct databuf cipherbuf = { 0 };
struct databuf ctxbuf = { 0 };
apr_status_t rc;
/* we save the session only if the authentication is established */
if (!mc->established) return;
rc = mag_session_load(req, &sess);
if (rc != OK || sess == NULL) {
ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, req,
"Sessions not available, can't send cookies!");
return;
}
if (!cfg->mag_skey) {
ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, req,
"Session key not available, generating new one.");
rc = SEAL_KEY_CREATE(cfg->pool, &cfg->mag_skey, NULL);
if (rc != OK) {
ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, 0, req,
"Failed to create sealing key!");
return;
}
}
sessval = apr_psprintf(req->pool, "%ld:%s:%s",
(long)mc->expiration, mc->user_name, mc->gss_name);
if (!sessval) return;
plainbuf.length = strlen(sessval) + 1;
plainbuf.value = (unsigned char *)sessval;
rc = SEAL_BUFFER(req->pool, cfg->mag_skey, &plainbuf, &cipherbuf);
if (rc != OK) {
ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, 0, req,
"Failed to seal session data!");
return;
}
ctxbuf.length = apr_base64_encode_len(cipherbuf.length);
ctxbuf.value = apr_pcalloc(req->pool, ctxbuf.length);
if (!ctxbuf.value) return;
ctxbuf.length = apr_base64_encode((char *)ctxbuf.value,
(char *)cipherbuf.value,
cipherbuf.length);
rc = mag_session_set(req, sess, MAG_BEARER_KEY, (char *)ctxbuf.value);
if (rc != OK) {
ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, 0, req,
"Failed to set session data!");
return;
}
}
void mag_attempt_session(struct mag_req_cfg *cfg, struct mag_conn *mc)
{
request_rec *req = cfg->req;
session_rec *sess = NULL;
struct databuf plainbuf = { 0 };
struct databuf cipherbuf = { 0 };
struct databuf ctxbuf = { 0 };
GSSSessionData_t gsessdata = { 0 };
apr_status_t rc;
bool ret;
/* we save the session only if the authentication is established */
if (!mc->established) return;
rc = mag_session_load(req, &sess);
if (rc != OK || sess == NULL) {
ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, req,
"Sessions not available, can't send cookies!");
return;
}
if (!cfg->mag_skey) {
ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, req,
"Session key not available, aborting.");
return;
}
gsessdata.established = mc->established?1:0;
gsessdata.delegated = mc->delegated?1:0;
if (sess->expiry != 0) {
mc->expiration = mc->expiration < apr_time_sec(sess->expiry) ?
mc->expiration : apr_time_sec(sess->expiry);
}
gsessdata.expiration = mc->expiration;
if (OCTET_STRING_fromString(&gsessdata.username, mc->user_name) != 0)
goto done;
if (OCTET_STRING_fromString(&gsessdata.gssname, mc->gss_name) != 0)
goto done;
if (OCTET_STRING_fromBuf(&gsessdata.basichash,
(const char *)mc->basic_hash.value,
mc->basic_hash.length) != 0)
goto done;
/* NULL ccname here just means default ccache */
if (mc->ccname &&
OCTET_STRING_fromString(&gsessdata.ccname, mc->ccname) != 0) {
goto done;
}
ret = encode_GSSSessionData(req->pool, &gsessdata,
&plainbuf.value, &plainbuf.length);
if (ret == false) {
ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, 0, req,
"Failed to pack session data!");
goto done;
}
rc = SEAL_BUFFER(req->pool, cfg->mag_skey, &plainbuf, &cipherbuf);
if (rc != OK) {
ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, 0, req,
"Failed to seal session data!");
goto done;
}
ctxbuf.length = apr_base64_encode_len(cipherbuf.length);
ctxbuf.value = apr_pcalloc(req->pool, ctxbuf.length);
if (!ctxbuf.value) goto done;
ctxbuf.length = apr_base64_encode((char *)ctxbuf.value,
(char *)cipherbuf.value,
cipherbuf.length);
rc = mag_session_set(req, sess, MAG_BEARER_KEY, (char *)ctxbuf.value);
if (rc != OK) {
ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, 0, req,
"Failed to set session data!");
}
done:
ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_GSSSessionData, &gsessdata);
}
