X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Finvitation.c;h=7fb96dacf00cb414e417f05964945c47e44a71ab;hb=f0e7e6b03e34e69cac5b01a2d943ad3b9b59d36c;hp=36dfa41b64b1d2a62a04f66d66006e72c4a987ba;hpb=82575bd44dc02bd1febd265c1db0f05b298329af;p=tinc diff --git a/src/invitation.c b/src/invitation.c index 36dfa41b..7fb96dac 100644 --- a/src/invitation.c +++ b/src/invitation.c @@ -1,6 +1,6 @@ /* invitation.c -- Create and accept invitations - Copyright (C) 2013 Guus Sliepen + Copyright (C) 2013-2014 Guus Sliepen This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -35,6 +35,48 @@ int addressfamily = AF_UNSPEC; +static void scan_for_hostname(const char *filename, char **hostname, char **port) { + if(!filename || (*hostname && *port)) + return; + + FILE *f = fopen(filename, "r"); + if(!f) + return; + + while(fgets(line, sizeof line, f)) { + if(!rstrip(line)) + continue; + char *p = line, *q; + p += strcspn(p, "\t ="); + if(!*p) + continue; + q = p + strspn(p, "\t "); + if(*q == '=') + q += 1 + strspn(q + 1, "\t "); + *p = 0; + p = q + strcspn(q, "\t "); + if(*p) + *p++ = 0; + p += strspn(p, "\t "); + p[strcspn(p, "\t ")] = 0; + + if(!*port && !strcasecmp(line, "Port")) { + *port = xstrdup(q); + } else if(!*hostname && !strcasecmp(line, "Address")) { + *hostname = xstrdup(q); + if(*p) { + free(*port); + *port = xstrdup(p); + } + } + + if(*hostname && *port) + break; + } + + fclose(f); +} + char *get_my_hostname() { char *hostname = NULL; char *port = NULL; @@ -45,39 +87,8 @@ char *get_my_hostname() { // Use first Address statement in own host config file if(check_id(name)) { xasprintf(&filename, "%s" SLASH "hosts" SLASH "%s", confbase, name); - FILE *f = fopen(filename, "r"); - if(f) { - while(fgets(line, sizeof line, f)) { - if(!rstrip(line)) - continue; - char *p = line, *q; - p += strcspn(p, "\t ="); - if(!*p) - continue; - q = p + strspn(p, "\t "); - if(*q == '=') - q += 1 + strspn(q + 1, "\t "); - *p = 0; - p = q + strcspn(q, "\t "); - if(*p) - *p++ = 0; - p += strspn(p, "\t "); - p[strcspn(p, "\t ")] = 0; - if(!port && !strcasecmp(line, "Port")) { - port = xstrdup(q); - continue; - } - if(strcasecmp(line, "Address")) - continue; - hostname = xstrdup(q); - if(*p) { - free(port); - port = xstrdup(p); - } - break; - } - fclose(f); - } + scan_for_hostname(filename, &hostname, &port); + scan_for_hostname(tinc_conf, &hostname, &port); } if(hostname) @@ -131,12 +142,19 @@ char *get_my_hostname() { } } + if(!tty) { + if(!hostname) { + fprintf(stderr, "Could not determine the external address or hostname. Please set Address manually.\n"); + return NULL; + } + goto save; + } + again: - printf("Please enter your host's external address or hostname"); + fprintf(stderr, "Please enter your host's external address or hostname"); if(hostname) - printf(" [%s]", hostname); - printf(": "); - fflush(stdout); + fprintf(stderr, " [%s]", hostname); + fprintf(stderr, ": "); if(!fgets(line, sizeof line, stdin)) { fprintf(stderr, "Error while reading stdin: %s\n", strerror(errno)); @@ -179,8 +197,10 @@ done: else xasprintf(&hostport, "%s:%s", hostname, port); } else { - hostport = hostname; - hostname = NULL; + if(strchr(hostname, ':')) + xasprintf(&hostport, "[%s]", hostname); + else + hostport = xstrdup(hostname); } free(hostname); @@ -230,7 +250,7 @@ int cmd_invite(int argc, char *argv[]) { } free(filename); - // If a daemon is running, ensure no other nodes now about this name + // If a daemon is running, ensure no other nodes know about this name bool found = false; if(connect_tincd(false)) { sendline(fd, "%d %d", CONTROL, REQ_DUMP_NODES); @@ -301,7 +321,7 @@ int cmd_invite(int argc, char *argv[]) { free(filename); ecdsa_t *key; - xasprintf(&filename, "%s" SLASH "invitations" SLASH "ecdsa_key.priv", confbase); + xasprintf(&filename, "%s" SLASH "invitations" SLASH "ed25519_key.priv", confbase); // Remove the key if there are no outstanding invitations. if(!count) @@ -329,12 +349,17 @@ int cmd_invite(int argc, char *argv[]) { } chmod(filename, 0600); ecdsa_write_pem_private_key(key, f); + fclose(f); + + if(connect_tincd(false)) + sendline(fd, "%d %d", CONTROL, REQ_RELOAD); } else { key = ecdsa_read_pem_private_key(f); + fclose(f); if(!key) fprintf(stderr, "Could not read private key from %s\n", filename); } - fclose(f); + free(filename); if(!key) return 1; @@ -388,8 +413,12 @@ int cmd_invite(int argc, char *argv[]) { char buf[1024]; while(fgets(buf, sizeof buf, tc)) { if((!strncasecmp(buf, "Mode", 4) && strchr(" \t=", buf[4])) - || (!strncasecmp(buf, "Broadcast", 9) && strchr(" \t=", buf[9]))) + || (!strncasecmp(buf, "Broadcast", 9) && strchr(" \t=", buf[9]))) { fputs(buf, f); + // Make sure there is a newline character. + if(!strchr(buf, '\n')) + fputc('\n', f); + } } fclose(tc); } @@ -551,7 +580,7 @@ make_names: if(!access(tinc_conf, F_OK)) { fprintf(stderr, "Configuration file %s already exists!\n", tinc_conf); - if(!tty || confbasegiven) + if(confbasegiven) return false; // Generate a random netname, ask for a better one later. @@ -693,7 +722,7 @@ make_names: if(!b64key) return false; - xasprintf(&filename, "%s" SLASH "ecdsa_key.priv", confbase); + xasprintf(&filename, "%s" SLASH "ed25519_key.priv", confbase); f = fopenmask(filename, "w", 0600); if(!ecdsa_write_pem_private_key(key, f)) { @@ -705,7 +734,7 @@ make_names: fclose(f); - fprintf(fh, "ECDSAPublicKey = %s\n", b64key); + fprintf(fh, "Ed25519PublicKey = %s\n", b64key); sptps_send_record(&sptps, 1, b64key, strlen(b64key)); free(b64key); @@ -727,7 +756,7 @@ make_names: check_port(name); ask_netname: - if(ask_netname) { + if(ask_netname && tty) { fprintf(stderr, "Enter a new netname: "); if(!fgets(line, sizeof line, stdin)) { fprintf(stderr, "Error while reading stdin: %s\n", strerror(errno)); @@ -751,6 +780,8 @@ ask_netname: make_names(); } + fprintf(stderr, "Configuration stored in: %s\n", confbase); + return true; } @@ -807,7 +838,7 @@ int cmd_join(int argc, char *argv[]) { } // Make sure confbase exists and is accessible. - if(strcmp(confdir, confbase) && mkdir(confdir, 0755) && errno != EEXIST) { + if(!confbase_given && mkdir(confdir, 0755) && errno != EEXIST) { fprintf(stderr, "Could not create directory %s: %s\n", confdir, strerror(errno)); return 1; } @@ -834,10 +865,8 @@ int cmd_join(int argc, char *argv[]) { if(argc > 1) { invitation = argv[1]; } else { - if(tty) { - printf("Enter invitation URL: "); - fflush(stdout); - } + if(tty) + fprintf(stderr, "Enter invitation URL: "); errno = EPIPE; if(!fgets(line, sizeof line, stdin)) { fprintf(stderr, "Error while reading stdin: %s\n", strerror(errno));