X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=udev%2Fudevadm.c;h=178981eb3e09c233d0ddad1ef491349a7b5f0b11;hp=6e7d7734d279ba498dc8b750ce61f5a7cfb8f195;hb=eabac232a51b8d8dc2f6897018968bfe96d2912d;hpb=726687ad48bdececed1e7e44387c50e009e28208 diff --git a/udev/udevadm.c b/udev/udevadm.c index 6e7d7734d..178981eb3 100644 --- a/udev/udevadm.c +++ b/udev/udevadm.c @@ -1,19 +1,18 @@ /* - * Copyright (C) 2007 Kay Sievers + * Copyright (C) 2007-2009 Kay Sievers * - * 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 the - * Free Software Foundation version 2 of the License. - * - * This program 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 - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * 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 + * the Free Software Foundation, either version 2 of the License, or + * (at your option) any later version. * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . */ #include @@ -26,143 +25,141 @@ #include "udev.h" -static int debug; +static bool debug; -#ifdef USE_LOG -void log_message(int priority, const char *format, ...) +static void log_fn(struct udev *udev, int priority, + const char *file, int line, const char *fn, + const char *format, va_list args) { - va_list args; - - if (priority > udev_log_priority) - return; - - va_start(args, format); if (debug) { - vprintf(format, args); - } else + fprintf(stderr, "%s: ", fn); + vfprintf(stderr, format, args); + } else { + va_list args2; + + va_copy(args2, args); + vfprintf(stderr, format, args2); + va_end(args2); vsyslog(priority, format, args); - va_end(args); + } } -#endif - -struct command { - const char *name; - int (*cmd)(int argc, char *argv[], char *envp[]); - const char *help; - int debug; -}; -static const struct command cmds[]; - -static int version(int argc, char *argv[], char *envp[]) +static int adm_version(struct udev *udev, int argc, char *argv[]) { - printf("%s\n", UDEV_VERSION); + printf("%s\n", VERSION); return 0; } +static const struct udevadm_cmd udevadm_version = { + .name = "version", + .cmd = adm_version, +}; + +static int adm_help(struct udev *udev, int argc, char *argv[]); +static const struct udevadm_cmd udevadm_help = { + .name = "help", + .cmd = adm_help, +}; + +static const struct udevadm_cmd *udevadm_cmds[] = { + &udevadm_info, + &udevadm_trigger, + &udevadm_settle, + &udevadm_control, + &udevadm_monitor, + &udevadm_test, + &udevadm_test_builtin, + &udevadm_version, + &udevadm_help, +}; -static int help(int argc, char *argv[], char *envp[]) +static int adm_help(struct udev *udev, int argc, char *argv[]) { - const struct command *cmd; + unsigned int i; - printf("Usage: udevadm COMMAND [OPTIONS]\n"); - for (cmd = cmds; cmd->name != NULL; cmd++) - printf(" %-12s %s\n", cmd->name, cmd->help); - printf("\n"); + fprintf(stderr, "Usage: udevadm [--help] [--version] [--debug] COMMAND [COMMAND OPTIONS]\n"); + for (i = 0; i < ARRAY_SIZE(udevadm_cmds); i++) + if (udevadm_cmds[i]->help != NULL) + printf(" %-12s %s\n", udevadm_cmds[i]->name, udevadm_cmds[i]->help); + fprintf(stderr, "\n"); return 0; } -static const struct command cmds[] = { - { - .name = "info", - .cmd = udevinfo, - .help = "query sysfs or the udev database", - }, - { - .name = "trigger", - .cmd = udevtrigger, - .help = "request events from the kernel", - }, - { - .name = "settle", - .cmd = udevsettle, "", - .help = "wait for the event queue to finish", - }, - { - .name = "control", - .cmd = udevcontrol, - .help = "control the udev daemon", - }, - { - .name = "monitor", - .cmd = udevmonitor, - .help = "listen to kernel and udev events", - }, - { - .name = "test", - .cmd = udevtest, - .help = "simulation run", - .debug = 1, - }, - { - .name = "version", - .cmd = version, - .help = "print the version number", - }, - { - .name = "help", - .cmd = help, - .help = "print this help text", - }, - {} -}; - -int main(int argc, char *argv[], char *envp[]) +static int run_command(struct udev *udev, const struct udevadm_cmd *cmd, int argc, char *argv[]) { - const char *command; - const char *pos; - const struct command *cmd; - int rc; - - /* get binary or symlink name */ - pos = strrchr(argv[0], '/'); - if (pos != NULL) - command = &pos[1]; - else - command = argv[0]; - - /* the trailing part of the binary or symlink name is the command */ - if (strncmp(command, "udev", 4) == 0) - command = &command[4]; - - if (command == NULL || command[0] == '\0') - goto err_unknown; - - /* udevadm itself needs to strip its name from the passed options */ - if (strcmp(command, "adm") == 0) { - command = argv[1]; - argv++; - argc--; + if (cmd->debug) { + debug = true; + if (udev_get_log_priority(udev) < LOG_INFO) + udev_set_log_priority(udev, LOG_INFO); } + info(udev, "calling: %s\n", cmd->name); + return cmd->cmd(udev, argc, argv); +} - if (command == NULL) - goto err_unknown; - - /* allow command to be specified as an option */ - if (strncmp(command, "--", 2) == 0) - command += 2; - - /* find and execute command */ - for (cmd = cmds; cmd->name != NULL; cmd++) { - if (strcmp(cmd->name, command) == 0) { - debug = cmd->debug; - rc = cmd->cmd(argc, argv, envp); +int main(int argc, char *argv[]) +{ + struct udev *udev; + static const struct option options[] = { + { "debug", no_argument, NULL, 'd' }, + { "help", no_argument, NULL, 'h' }, + { "version", no_argument, NULL, 'V' }, + {} + }; + const char *command; + unsigned int i; + int rc = 1; + + udev = udev_new(); + if (udev == NULL) + goto out; + + udev_log_init("udevadm"); + udev_set_log_fn(udev, log_fn); + udev_selinux_init(udev); + + for (;;) { + int option; + + option = getopt_long(argc, argv, "+dhV", options, NULL); + if (option == -1) + break; + + switch (option) { + case 'd': + debug = true; + if (udev_get_log_priority(udev) < LOG_INFO) + udev_set_log_priority(udev, LOG_INFO); + break; + case 'h': + rc = adm_help(udev, argc, argv); + goto out; + case 'V': + rc = adm_version(udev, argc, argv); + goto out; + default: goto out; } } + command = argv[optind]; + + info(udev, "runtime dir '%s'\n", udev_get_run_path(udev)); + + if (command != NULL) + for (i = 0; i < ARRAY_SIZE(udevadm_cmds); i++) { + if (strcmp(udevadm_cmds[i]->name, command) == 0) { + argc -= optind; + argv += optind; + optind = 0; + rc = run_command(udev, udevadm_cmds[i], argc, argv); + goto out; + } + } -err_unknown: - fprintf(stderr, "unknown command, try help\n\n"); + fprintf(stderr, "missing or unknown command\n\n"); + adm_help(udev, argc, argv); rc = 2; out: + udev_selinux_exit(udev); + udev_unref(udev); + udev_log_close(); return rc; }