X-Git-Url: https://www.tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Finvitation.c;h=a59045090f75cc237331a85c89b7093b2dbc61bd;hb=8f8424445810aa7d5e9d4d537494e64811a8e29f;hp=95478a7f431822afb2ebd5fd86e3b271d4d18763;hpb=d47c79533f831a2714aff277aff31c46da1ec684;p=tinc diff --git a/src/invitation.c b/src/invitation.c index 95478a7f..a5904509 100644 --- a/src/invitation.c +++ b/src/invitation.c @@ -32,12 +32,6 @@ #include "utils.h" #include "xalloc.h" -#ifdef HAVE_MINGW -#define SCRIPTEXTENSION ".bat" -#else -#define SCRIPTEXTENSION "" -#endif - int addressfamily = AF_UNSPEC; char *get_my_hostname() { @@ -490,6 +484,9 @@ static bool finalize_join(void) { if(!netname) netname = grep(data, "NetName"); + bool ask_netname = false; + char temp_netname[32]; + make_names: if(!confbasegiven) { free(confbase); @@ -508,26 +505,20 @@ make_names: fprintf(stderr, "Configuration file %s already exists!\n", tinc_conf); if(!tty || confbasegiven) return false; -ask_netname: - fprintf(stderr, "Enter a new netname: "); - if(!fgets(line, sizeof line, stdin)) { - fprintf(stderr, "Error while reading stdin: %s\n", strerror(errno)); - return false; - } - if(!*line || *line == '\n') - goto ask_netname; - line[strlen(line) - 1] = 0; - netname = line; + // Generate a random netname, ask for a better one later. + ask_netname = true; + snprintf(temp_netname, sizeof temp_netname, "join_%x", rand()); + netname = temp_netname; goto make_names; } - if(mkdir(confbase, 0755) && errno != EEXIST) { + if(mkdir(confbase, 0777) && errno != EEXIST) { fprintf(stderr, "Could not create directory %s: %s\n", confbase, strerror(errno)); return false; } - if(mkdir(hosts_dir, 0755) && errno != EEXIST) { + if(mkdir(hosts_dir, 0777) && errno != EEXIST) { fprintf(stderr, "Could not create directory %s: %s\n", hosts_dir, strerror(errno)); return false; } @@ -655,12 +646,7 @@ ask_netname: return false; xasprintf(&filename, "%s" SLASH "ecdsa_key.priv", confbase); - f = fopen(filename, "w"); - -#ifdef HAVE_FCHMOD - /* Make it unreadable for others. */ - fchmod(fileno(f), 0600); -#endif + f = fopenmask(filename, "w", 0600); if(!ecdsa_write_pem_private_key(key, f)) { fprintf(stderr, "Error writing private key!\n"); @@ -679,12 +665,7 @@ ask_netname: rsa_t *rsa = rsa_generate(2048, 0x1001); xasprintf(&filename, "%s" SLASH "rsa_key.priv", confbase); - f = fopen(filename, "w"); - -#ifdef HAVE_FCHMOD - /* Make it unreadable for others. */ - fchmod(fileno(f), 0600); -#endif + f = fopenmask(filename, "w", 0600); rsa_write_pem_private_key(rsa, f); fclose(f); @@ -701,6 +682,31 @@ ask_netname: shutdown(sock, SHUT_RDWR); success = true; +ask_netname: + if(ask_netname) { + fprintf(stderr, "Enter a new netname: "); + if(!fgets(line, sizeof line, stdin)) { + fprintf(stderr, "Error while reading stdin: %s\n", strerror(errno)); + return false; + } + if(!*line || *line == '\n') + goto ask_netname; + + line[strlen(line) - 1] = 0; + + char *newbase; + xasprintf(&newbase, CONFDIR SLASH "tinc" SLASH "%s", line); + if(rename(confbase, newbase)) { + fprintf(stderr, "Error trying to rename %s to %s: %s\n", confbase, newbase, strerror(errno)); + free(newbase); + goto ask_netname; + } + + free(newbase); + netname = line; + make_names(); + } + return true; } @@ -750,7 +756,12 @@ int cmd_join(int argc, char *argv[]) { } // Make sure confbase exists and is accessible. - if(mkdir(confbase, 0755) && errno != EEXIST) { + if(strcmp(confdir, confbase) && 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; } @@ -864,7 +875,7 @@ int cmd_join(int argc, char *argv[]) { return 1; } - // Check if the hash of the key he have us matches the hash in the URL. + // 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)