diff options
author | Kay Sievers <kay@vrfy.org> | 2012-04-12 17:15:18 +0200 |
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committer | Kay Sievers <kay@vrfy.org> | 2012-04-12 17:54:42 +0200 |
commit | dce818b390a857a11f7dd634684500675cf79833 (patch) | |
tree | e71acb0f2e50f5a6b77c8af90af9a973c8cea6cb /src/reply-password/reply-password.c | |
parent | 4fc5568804ef50d9cc857eee86012d388620edd3 (diff) |
move all tools to subdirs
Diffstat (limited to 'src/reply-password/reply-password.c')
-rw-r--r-- | src/reply-password/reply-password.c | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/src/reply-password/reply-password.c b/src/reply-password/reply-password.c new file mode 100644 index 0000000000..a935d0f084 --- /dev/null +++ b/src/reply-password/reply-password.c @@ -0,0 +1,109 @@ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ + +/*** + This file is part of systemd. + + Copyright 2010 Lennart Poettering + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +#include <sys/socket.h> +#include <sys/poll.h> +#include <sys/types.h> +#include <assert.h> +#include <string.h> +#include <errno.h> +#include <unistd.h> +#include <fcntl.h> +#include <sys/un.h> +#include <sys/stat.h> +#include <sys/signalfd.h> +#include <getopt.h> +#include <stddef.h> + +#include "log.h" +#include "macro.h" +#include "util.h" + +static int send_on_socket(int fd, const char *socket_name, const void *packet, size_t size) { + union { + struct sockaddr sa; + struct sockaddr_un un; + } sa; + + assert(fd >= 0); + assert(socket_name); + assert(packet); + + zero(sa); + sa.un.sun_family = AF_UNIX; + strncpy(sa.un.sun_path, socket_name, sizeof(sa.un.sun_path)); + + if (sendto(fd, packet, size, MSG_NOSIGNAL, &sa.sa, offsetof(struct sockaddr_un, sun_path) + strlen(socket_name)) < 0) { + log_error("Failed to send: %m"); + return -1; + } + + return 0; +} + +int main(int argc, char *argv[]) { + int fd = -1, r = EXIT_FAILURE; + char packet[LINE_MAX]; + size_t length; + + log_set_target(LOG_TARGET_AUTO); + log_parse_environment(); + log_open(); + + if (argc != 3) { + log_error("Wrong number of arguments."); + goto finish; + } + + if (streq(argv[1], "1")) { + + packet[0] = '+'; + if (!fgets(packet+1, sizeof(packet)-1, stdin)) { + log_error("Failed to read password: %m"); + goto finish; + } + + truncate_nl(packet+1); + length = 1 + strlen(packet+1) + 1; + } else if (streq(argv[1], "0")) { + packet[0] = '-'; + length = 1; + } else { + log_error("Invalid first argument %s", argv[1]); + goto finish; + } + + if ((fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0)) < 0) { + log_error("socket() failed: %m"); + goto finish; + } + + if (send_on_socket(fd, argv[2], packet, length) < 0) + goto finish; + + r = EXIT_SUCCESS; + +finish: + if (fd >= 0) + close_nointr_nofail(fd); + + return r; +} |