diff options
Diffstat (limited to 'src/stdio-bridge')
l--------- | src/stdio-bridge/Makefile | 1 | ||||
-rw-r--r-- | src/stdio-bridge/stdio-bridge.c | 310 |
2 files changed, 0 insertions, 311 deletions
diff --git a/src/stdio-bridge/Makefile b/src/stdio-bridge/Makefile deleted file mode 120000 index d0b0e8e008..0000000000 --- a/src/stdio-bridge/Makefile +++ /dev/null @@ -1 +0,0 @@ -../Makefile
\ No newline at end of file diff --git a/src/stdio-bridge/stdio-bridge.c b/src/stdio-bridge/stdio-bridge.c deleted file mode 100644 index 9c49e0ee8d..0000000000 --- a/src/stdio-bridge/stdio-bridge.c +++ /dev/null @@ -1,310 +0,0 @@ -/*-*- 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/un.h> -#include <sys/types.h> -#include <fcntl.h> -#include <unistd.h> -#include <string.h> -#include <errno.h> -#include <sys/poll.h> -#include <stddef.h> -#include <getopt.h> - -#include "log.h" -#include "util.h" -#include "socket-util.h" -#include "sd-daemon.h" -#include "sd-bus.h" -#include "bus-internal.h" -#include "bus-message.h" -#include "bus-util.h" -#include "build.h" - -#define DEFAULT_BUS_PATH "unix:path=/run/dbus/system_bus_socket" - -const char *arg_bus_path = DEFAULT_BUS_PATH; - -static int help(void) { - - printf("%s [OPTIONS...]\n\n" - "STDIO or socket-activatable proxy to a given DBus endpoint.\n\n" - " -h --help Show this help\n" - " --version Show package version\n" - " --bus-path=PATH Path to the kernel bus (default: %s)\n", - program_invocation_short_name, DEFAULT_BUS_PATH); - - return 0; -} - -static int parse_argv(int argc, char *argv[]) { - - enum { - ARG_VERSION = 0x100, - }; - - static const struct option options[] = { - { "help", no_argument, NULL, 'h' }, - { "bus-path", required_argument, NULL, 'p' }, - { NULL, 0, NULL, 0 } - }; - - int c; - - assert(argc >= 0); - assert(argv); - - while ((c = getopt_long(argc, argv, "hsup:", options, NULL)) >= 0) { - - switch (c) { - - case 'h': - help(); - return 0; - - case ARG_VERSION: - puts(PACKAGE_STRING); - puts(SYSTEMD_FEATURES); - return 0; - - case '?': - return -EINVAL; - - case 'p': - arg_bus_path = optarg; - break; - - default: - log_error("Unknown option code %c", c); - return -EINVAL; - } - } - - return 1; -} - -int main(int argc, char *argv[]) { - _cleanup_bus_unref_ sd_bus *a = NULL, *b = NULL; - sd_id128_t server_id; - bool is_unix; - int r, in_fd, out_fd; - - log_set_target(LOG_TARGET_JOURNAL_OR_KMSG); - log_parse_environment(); - log_open(); - - r = parse_argv(argc, argv); - if (r <= 0) - goto finish; - - r = sd_listen_fds(0); - if (r == 0) { - in_fd = STDIN_FILENO; - out_fd = STDOUT_FILENO; - } else if (r == 1) { - in_fd = SD_LISTEN_FDS_START; - out_fd = SD_LISTEN_FDS_START; - } else { - log_error("Illegal number of file descriptors passed\n"); - goto finish; - } - - is_unix = - sd_is_socket(in_fd, AF_UNIX, 0, 0) > 0 && - sd_is_socket(out_fd, AF_UNIX, 0, 0) > 0; - - r = sd_bus_new(&a); - if (r < 0) { - log_error("Failed to allocate bus: %s", strerror(-r)); - goto finish; - } - - r = sd_bus_set_address(a, arg_bus_path); - if (r < 0) { - log_error("Failed to set address to connect to: %s", strerror(-r)); - goto finish; - } - - r = sd_bus_negotiate_fds(a, is_unix); - if (r < 0) { - log_error("Failed to set FD negotiation: %s", strerror(-r)); - goto finish; - } - - r = sd_bus_start(a); - if (r < 0) { - log_error("Failed to start bus client: %s", strerror(-r)); - goto finish; - } - - r = sd_bus_get_server_id(a, &server_id); - if (r < 0) { - log_error("Failed to get server ID: %s", strerror(-r)); - goto finish; - } - - r = sd_bus_new(&b); - if (r < 0) { - log_error("Failed to allocate bus: %s", strerror(-r)); - goto finish; - } - - r = sd_bus_set_fd(b, in_fd, out_fd); - if (r < 0) { - log_error("Failed to set fds: %s", strerror(-r)); - goto finish; - } - - r = sd_bus_set_server(b, 1, server_id); - if (r < 0) { - log_error("Failed to set server mode: %s", strerror(-r)); - goto finish; - } - - r = sd_bus_negotiate_fds(b, is_unix); - if (r < 0) { - log_error("Failed to set FD negotiation: %s", strerror(-r)); - goto finish; - } - - r = sd_bus_set_anonymous(b, true); - if (r < 0) { - log_error("Failed to set anonymous authentication: %s", strerror(-r)); - goto finish; - } - - r = sd_bus_start(b); - if (r < 0) { - log_error("Failed to start bus client: %s", strerror(-r)); - goto finish; - } - - for (;;) { - _cleanup_bus_message_unref_ sd_bus_message *m = NULL; - int events_a, events_b, fd; - uint64_t timeout_a, timeout_b, t; - struct timespec _ts, *ts; - - r = sd_bus_process(a, &m); - if (r < 0) { - log_error("Failed to process bus a: %s", strerror(-r)); - goto finish; - } - - if (m) { - r = sd_bus_send(b, m, NULL); - if (r < 0) { - log_error("Failed to send message: %s", strerror(-r)); - goto finish; - } - } - - if (r > 0) - continue; - - r = sd_bus_process(b, &m); - if (r < 0) { - /* treat 'connection reset by peer' as clean exit condition */ - if (r == -ECONNRESET) - r = 0; - - goto finish; - } - - if (m) { - r = sd_bus_send(a, m, NULL); - if (r < 0) { - log_error("Failed to send message: %s", strerror(-r)); - goto finish; - } - } - - if (r > 0) - continue; - - fd = sd_bus_get_fd(a); - if (fd < 0) { - log_error("Failed to get fd: %s", strerror(-r)); - goto finish; - } - - events_a = sd_bus_get_events(a); - if (events_a < 0) { - log_error("Failed to get events mask: %s", strerror(-r)); - goto finish; - } - - r = sd_bus_get_timeout(a, &timeout_a); - if (r < 0) { - log_error("Failed to get timeout: %s", strerror(-r)); - goto finish; - } - - events_b = sd_bus_get_events(b); - if (events_b < 0) { - log_error("Failed to get events mask: %s", strerror(-r)); - goto finish; - } - - r = sd_bus_get_timeout(b, &timeout_b); - if (r < 0) { - log_error("Failed to get timeout: %s", strerror(-r)); - goto finish; - } - - t = timeout_a; - if (t == (uint64_t) -1 || (timeout_b != (uint64_t) -1 && timeout_b < timeout_a)) - t = timeout_b; - - if (t == (uint64_t) -1) - ts = NULL; - else { - usec_t nw; - - nw = now(CLOCK_MONOTONIC); - if (t > nw) - t -= nw; - else - t = 0; - - ts = timespec_store(&_ts, t); - } - - { - struct pollfd p[3] = { - {.fd = fd, .events = events_a, }, - {.fd = STDIN_FILENO, .events = events_b & POLLIN, }, - {.fd = STDOUT_FILENO, .events = events_b & POLLOUT, }}; - - r = ppoll(p, ELEMENTSOF(p), ts, NULL); - } - if (r < 0) { - log_error("ppoll() failed: %m"); - goto finish; - } - } - - r = 0; - -finish: - return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; -} |