#include "control_common.h"
#include "cipher.h"
#include "crypto.h"
+#include "device.h"
#include "digest.h"
#include "ecdsa.h"
#include "edge.h"
#include "prf.h"
#include "protocol.h"
#include "rsa.h"
+#include "script.h"
#include "sptps.h"
#include "utils.h"
#include "xalloc.h"
fclose(f);
logger(DEBUG_CONNECTIONS, LOG_INFO, "Key succesfully received from %s (%s)", c->name, c->hostname);
+
+ // Call invitation-accepted script
+ char *envp[7] = {NULL};
+ char *address, *port;
+
+ xasprintf(&envp[0], "NETNAME=%s", netname ? : "");
+ xasprintf(&envp[1], "DEVICE=%s", device ? : "");
+ xasprintf(&envp[2], "INTERFACE=%s", iface ? : "");
+ xasprintf(&envp[3], "NODE=%s", c->name);
+ sockaddr2str(&c->address, &address, &port);
+ xasprintf(&envp[4], "REMOTEADDRESS=%s", address);
+ xasprintf(&envp[5], "NAME=%s", myself->name);
+
+ execute_script("invitation-accepted", envp);
+
+ for(int i = 0; envp[i] && i < 7; i++)
+ free(envp[i]);
+
+ sptps_send_record(&c->sptps, 2, data, 0);
return true;
}
if(type != 0 || len != 18 || c->status.invitation_used)
return false;
+ // Recover the filename from the cookie and the key
+ digest_t *digest = digest_open_by_name("sha256", 18);
+ if(!digest)
+ abort();
+ char *fingerprint = ecdsa_get_base64_public_key(invitation_key);
+ char hashbuf[18 + strlen(fingerprint)];
char cookie[25];
- b64encode_urlsafe(data, cookie, 18);
+ memcpy(hashbuf, data, 18);
+ memcpy(hashbuf + 18, fingerprint, sizeof hashbuf - 18);
+ digest_create(digest, hashbuf, sizeof hashbuf, cookie);
+ b64encode_urlsafe(cookie, cookie, 18);
+ digest_close(digest);
+ free(fingerprint);
char filename[PATH_MAX], usedname[PATH_MAX];
snprintf(filename, sizeof filename, "%s" SLASH "invitations" SLASH "%s", confbase, cookie);
if(c->protocol_major != myself->connection->protocol_major) {
logger(DEBUG_ALWAYS, LOG_ERR, "Peer %s (%s) uses incompatible version %d.%d",
- c->name, c->hostname, c->protocol_major, c->protocol_minor);
+ c->name, c->hostname, c->protocol_major, c->protocol_minor);
return false;
}
return false;
}
- if(experimental && c->protocol_minor >= 2) {
- if(!read_ecdsa_public_key(c))
- return false;
- }
+ if(experimental)
+ read_ecdsa_public_key(c);
} else {
if(c->protocol_minor && !ecdsa_active(c->ecdsa))
c->protocol_minor = 1;
}
+ /* Forbid version rollback for nodes whose ECDSA key we know */
+
+ if(ecdsa_active(c->ecdsa) && c->protocol_minor < 2) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "Peer %s (%s) tries to roll back protocol version to %d.%d",
+ c->name, c->hostname, c->protocol_major, c->protocol_minor);
+ return false;
+ }
+
c->allow_request = METAKEY;
if(c->protocol_minor >= 2) {