X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=src%2Finvitation.c;h=d027e0d980f16c2f9a885cf3b1ba813cca98a34f;hb=068746e6cb8df6c197f415e09d3ade8426c2db5f;hp=59bcf456ec63075e1f45595af86761cf4a05d7d4;hpb=e11daa264615f6eb5782f1f349b23f47518577dd;p=meshlink diff --git a/src/invitation.c b/src/invitation.c index 59bcf456..d027e0d9 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) 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 @@ -24,10 +24,7 @@ #include "ecdsa.h" #include "ecdsagen.h" #include "invitation.h" -#include "names.h" #include "netutl.h" -#include "rsagen.h" -#include "script.h" #include "sptps.h" #include "tincctl.h" #include "utils.h" @@ -142,12 +139,19 @@ 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)); @@ -261,7 +265,7 @@ int cmd_invite(int argc, char *argv[]) { } } - char hash[25]; + char hash[64]; xasprintf(&filename, "%s" SLASH "invitations", confbase); if(mkdir(filename, 0700) && errno != EEXIST) { @@ -357,10 +361,7 @@ int cmd_invite(int argc, char *argv[]) { // Create a hash of the key. char *fingerprint = ecdsa_get_base64_public_key(key); - digest_t *digest = digest_open_by_name("sha256", 18); - if(!digest) - abort(); - digest_create(digest, fingerprint, strlen(fingerprint), hash); + sha512(fingerprint, strlen(fingerprint), hash); b64encode_urlsafe(hash, hash, 18); // Create a random cookie for this invitation. @@ -369,10 +370,10 @@ int cmd_invite(int argc, char *argv[]) { // Create a filename that doesn't reveal the cookie itself char buf[18 + strlen(fingerprint)]; - char cookiehash[25]; + char cookiehash[64]; memcpy(buf, cookie, 18); memcpy(buf + 18, fingerprint, sizeof buf - 18); - digest_create(digest, buf, sizeof buf, cookiehash); + sha512(buf, sizeof buf, cookiehash); b64encode_urlsafe(cookiehash, cookiehash, 18); b64encode_urlsafe(cookie, cookie, 18); @@ -404,8 +405,12 @@ 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); } @@ -423,22 +428,6 @@ int cmd_invite(int argc, char *argv[]) { char *url; xasprintf(&url, "%s/%s%s", address, hash, cookie); - // Call the inviation-created script - char *envp[6] = {}; - xasprintf(&envp[0], "NAME=%s", myname); - xasprintf(&envp[1], "NETNAME=%s", netname); - xasprintf(&envp[2], "NODE=%s", argv[1]); - xasprintf(&envp[3], "INVITATION_FILE=%s", filename); - xasprintf(&envp[4], "INVITATION_URL=%s", url); - execute_script("invitation-created", envp); - for(int i = 0; i < 6 && envp[i]; i++) - free(envp[i]); - - puts(url); - free(url); - free(filename); - free(address); - return 0; } @@ -552,13 +541,6 @@ static bool finalize_join(void) { char temp_netname[32]; make_names: - if(!confbasegiven) { - free(confbase); - confbase = NULL; - } - - make_names(); - free(tinc_conf); free(hosts_dir); @@ -567,7 +549,7 @@ 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. @@ -726,24 +708,12 @@ make_names: sptps_send_record(&sptps, 1, b64key, strlen(b64key)); free(b64key); - - rsa_t *rsa = rsa_generate(2048, 0x1001); - xasprintf(&filename, "%s" SLASH "rsa_key.priv", confbase); - f = fopenmask(filename, "w", 0600); - - rsa_write_pem_private_key(rsa, f); - fclose(f); - - rsa_write_pem_public_key(rsa, fh); - fclose(fh); - ecdsa_free(key); - rsa_free(rsa); 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)); @@ -764,9 +734,10 @@ ask_netname: free(newbase); netname = line; - make_names(); } + fprintf(stderr, "Configuration stored in: %s\n", confbase); + return true; } @@ -823,11 +794,6 @@ int cmd_join(int argc, char *argv[]) { } // Make sure confbase exists and is accessible. - if(!confbase_given && mkdir(confdir, 0755) && errno != EEXIST) { - fprintf(stderr, "Could not create directory %s: %s\n", confdir, strerror(errno)); - return 1; - } - if(mkdir(confbase, 0777) && errno != EEXIST) { fprintf(stderr, "Could not create directory %s: %s\n", confbase, strerror(errno)); return 1; @@ -850,10 +816,8 @@ 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)); @@ -944,12 +908,9 @@ int cmd_join(int argc, char *argv[]) { // Check if the hash of the key he gave us matches the hash in the URL. char *fingerprint = line + 2; - digest_t *digest = digest_open_by_name("sha256", 18); - if(!digest) - abort(); - char hishash[18]; - if(!digest_create(digest, fingerprint, strlen(fingerprint), hishash)) { - fprintf(stderr, "Could not create digest\n%s\n", line + 2); + char hishash[64]; + if(!sha512(fingerprint, strlen(fingerprint), hishash)) { + fprintf(stderr, "Could not create hash\n%s\n", line + 2); return 1; } if(memcmp(hishash, hash, 18)) {