X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fmachine%2Fmachinectl.c;h=5ea4f4b0d9c0b136d2e98dc3c07062ad648e1477;hp=574c988e82babca5add01d6bdf430d90bd4ecdaf;hb=56f64d95763a799ba4475daf44d8e9f72a1bd474;hpb=e7e9b6bb0b0bc5b1eb256a44f8afec6b634f26ef diff --git a/src/machine/machinectl.c b/src/machine/machinectl.c index 574c988e8..5ea4f4b0d 100644 --- a/src/machine/machinectl.c +++ b/src/machine/machinectl.c @@ -44,6 +44,7 @@ #include "cgroup-show.h" #include "cgroup-util.h" #include "ptyfwd.h" +#include "event-util.h" static char **arg_property = NULL; static bool arg_all = false; @@ -413,10 +414,8 @@ static int show_info(const char *verb, sd_bus *bus, const char *path, bool *new_ path, map, &info); - if (r < 0) { - log_error("Could not get properties: %s", strerror(-r)); - return r; - } + if (r < 0) + return log_error_errno(r, "Could not get properties: %m"); if (*new_line) printf("\n"); @@ -444,7 +443,7 @@ static int show_properties(sd_bus *bus, const char *path, bool *new_line) { r = bus_print_all_properties(bus, "org.freedesktop.machine1", path, arg_property, arg_all); if (r < 0) - log_error("Could not get properties: %s", strerror(-r)); + log_error_errno(r, "Could not get properties: %m"); return r; } @@ -661,13 +660,15 @@ static int openpt_in_namespace(pid_t pid, int flags) { static int login_machine(sd_bus *bus, char **args, unsigned n) { _cleanup_bus_message_unref_ sd_bus_message *reply = NULL, *reply2 = NULL, *reply3 = NULL; _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; - _cleanup_bus_unref_ sd_bus *container_bus = NULL; + _cleanup_bus_close_unref_ sd_bus *container_bus = NULL; + _cleanup_(pty_forward_freep) PTYForward *forward = NULL; + _cleanup_event_unref_ sd_event *event = NULL; _cleanup_close_ int master = -1; _cleanup_free_ char *getty = NULL; const char *path, *pty, *p; uint32_t leader; sigset_t mask; - int r; + int r, ret = 0; assert(bus); assert(args); @@ -677,6 +678,14 @@ static int login_machine(sd_bus *bus, char **args, unsigned n) { return -ENOTSUP; } + r = sd_event_default(&event); + if (r < 0) + return log_error_errno(r, "Failed to get event loop: %m"); + + r = sd_bus_attach_event(bus, event, 0); + if (r < 0) + return log_error_errno(r, "Failed to attach bus to event loop: %m"); + r = sd_bus_call_method( bus, "org.freedesktop.machine1", @@ -704,24 +713,20 @@ static int login_machine(sd_bus *bus, char **args, unsigned n) { &error, &reply2, "u"); - if (r < 0) { - log_error("Failed to retrieve PID of leader: %s", strerror(-r)); - return r; - } + if (r < 0) + return log_error_errno(r, "Failed to retrieve PID of leader: %m"); r = sd_bus_message_read(reply2, "u", &leader); if (r < 0) return bus_log_parse_error(r); master = openpt_in_namespace(leader, O_RDWR|O_NOCTTY|O_CLOEXEC|O_NDELAY); - if (master < 0) { - log_error("Failed to acquire pseudo tty: %s", strerror(-master)); - return master; - } + if (master < 0) + return log_error_errno(master, "Failed to acquire pseudo tty: %m"); pty = ptsname(master); if (!pty) { - log_error("Failed to get pty name: %m"); + log_error_errno(errno, "Failed to get pty name: %m"); return -errno; } @@ -732,17 +737,15 @@ static int login_machine(sd_bus *bus, char **args, unsigned n) { } r = sd_bus_open_system_container(&container_bus, args[1]); - if (r < 0) { - log_error("Failed to get container bus: %s", strerror(-r)); - return r; - } + if (r < 0) + return log_error_errno(r, "Failed to get container bus: %m"); getty = strjoin("container-getty@", p, ".service", NULL); if (!getty) return log_oom(); if (unlockpt(master) < 0) { - log_error("Failed to unlock tty: %m"); + log_error_errno(errno, "Failed to unlock tty: %m"); return -errno; } @@ -766,21 +769,28 @@ static int login_machine(sd_bus *bus, char **args, unsigned n) { log_info("Connected to container %s. Press ^] three times within 1s to exit session.", args[1]); - r = process_pty(master, &mask, 0, 0); - if (r < 0) { - log_error("Failed to process pseudo tty: %s", strerror(-r)); - return r; - } + sd_event_add_signal(event, NULL, SIGINT, NULL, NULL); + sd_event_add_signal(event, NULL, SIGTERM, NULL, NULL); + + r = pty_forward_new(event, master, &forward); + if (r < 0) + return log_error_errno(r, "Failed to create PTY forwarder: %m"); + + r = sd_event_loop(event); + if (r < 0) + return log_error_errno(r, "Failed to run event loop: %m"); + + forward = pty_forward_free(forward); fputc('\n', stdout); log_info("Connection to container %s terminated.", args[1]); - return 0; + sd_event_get_exit_code(event, &ret); + return ret; } -static int help(void) { - +static void help(void) { printf("%s [OPTIONS...] {COMMAND} ...\n\n" "Send control commands to or query the virtual machine and container registration manager.\n\n" " -h --help Show this help\n" @@ -804,8 +814,6 @@ static int help(void) { " kill NAME... Send signal to processes of a VM/container\n" " terminate NAME... Terminate one or more VMs/containers\n", program_invocation_short_name); - - return 0; } static int parse_argv(int argc, char *argv[]) { @@ -837,12 +845,13 @@ static int parse_argv(int argc, char *argv[]) { assert(argc >= 0); assert(argv); - while ((c = getopt_long(argc, argv, "hp:als:H:M:", options, NULL)) >= 0) { + while ((c = getopt_long(argc, argv, "hp:als:H:M:", options, NULL)) >= 0) switch (c) { case 'h': - return help(); + help(); + return 0; case ARG_VERSION: puts(PACKAGE_STRING); @@ -904,7 +913,6 @@ static int parse_argv(int argc, char *argv[]) { default: assert_not_reached("Unhandled option"); } - } return 1; } @@ -992,7 +1000,7 @@ static int machinectl_main(sd_bus *bus, int argc, char *argv[]) { } int main(int argc, char*argv[]) { - _cleanup_bus_unref_ sd_bus *bus = NULL; + _cleanup_bus_close_unref_ sd_bus *bus = NULL; int r; setlocale(LC_ALL, ""); @@ -1005,7 +1013,7 @@ int main(int argc, char*argv[]) { r = bus_open_transport(arg_transport, arg_host, false, &bus); if (r < 0) { - log_error("Failed to create bus connection: %s", strerror(-r)); + log_error_errno(r, "Failed to create bus connection: %m"); goto finish; }