Beispiel #1
0
/*--------------------------------------------------------- */
int main(int argc, char **argv)
{
	int running;
	int result = -1;
	clish_shell_t *shell = NULL;

	/* Command line options */
	const char *socket_path = KONFD_SOCKET_PATH;
	bool_t lockless = BOOL_FALSE;
	bool_t stop_on_error = BOOL_FALSE;
	bool_t interactive = BOOL_TRUE;
	bool_t quiet = BOOL_FALSE;
	bool_t utf8 = BOOL_FALSE;
	bool_t bit8 = BOOL_FALSE;
	bool_t log = BOOL_FALSE;
	int log_facility = LOG_LOCAL0;
	bool_t dryrun = BOOL_FALSE;
	bool_t dryrun_config = BOOL_FALSE;
	const char *xml_path = getenv("CLISH_PATH");
	const char *view = getenv("CLISH_VIEW");
	const char *viewid = getenv("CLISH_VIEWID");
	const char *xslt_file = NULL;

	FILE *outfd = stdout;
	bool_t istimeout = BOOL_FALSE;
	int timeout = 0;
	bool_t cmd = BOOL_FALSE; /* -c option */
	lub_list_t *cmds; /* Commands defined by -c */
	lub_list_node_t *iter;
	const char *histfile = "~/.clish_history";
	char *histfile_expanded = NULL;
	unsigned int histsize = 50;
	clish_sym_t *sym = NULL;

	/* Signal vars */
	struct sigaction sigpipe_act;
	sigset_t sigpipe_set;

	static const char *shortopts = "hvs:ledx:w:i:bqu8oO:kt:c:f:z:p:";
#ifdef HAVE_GETOPT_LONG
	static const struct option longopts[] = {
		{"help",	0, NULL, 'h'},
		{"version",	0, NULL, 'v'},
		{"socket",	1, NULL, 's'},
		{"lockless",	0, NULL, 'l'},
		{"stop-on-error", 0, NULL, 'e'},
		{"dry-run",	0, NULL, 'd'},
		{"xml-path",	1, NULL, 'x'},
		{"view",	1, NULL, 'w'},
		{"viewid",	1, NULL, 'i'},
		{"background",	0, NULL, 'b'},
		{"quiet",	0, NULL, 'q'},
		{"utf8",	0, NULL, 'u'},
		{"8bit",	0, NULL, '8'},
		{"log",		0, NULL, 'o'},
		{"facility",	1, NULL, 'O'},
		{"check",	0, NULL, 'k'},
		{"timeout",	1, NULL, 't'},
		{"command",	1, NULL, 'c'},
		{"histfile",	1, NULL, 'f'},
		{"histsize",	1, NULL, 'z'},
		{"xslt",	1, NULL, 'p'},
		{NULL,		0, NULL, 0}
	};
#endif

	/* Ignore SIGPIPE */
	sigemptyset(&sigpipe_set);
	sigaddset(&sigpipe_set, SIGPIPE);
	sigpipe_act.sa_flags = 0;
	sigpipe_act.sa_mask = sigpipe_set;
	sigpipe_act.sa_handler = &sighandler;
	sigaction(SIGPIPE, &sigpipe_act, NULL);

#if HAVE_LOCALE_H
	/* Set current locale */
	setlocale(LC_ALL, "");
#endif

	/* Var initialization */
	cmds = lub_list_new(NULL);

	/* Parse command line options */
	while(1) {
		int opt;
#ifdef HAVE_GETOPT_LONG
		opt = getopt_long(argc, argv, shortopts, longopts, NULL);
#else
		opt = getopt(argc, argv, shortopts);
#endif
		if (-1 == opt)
			break;
		switch (opt) {
		case 's':
			socket_path = optarg;
			break;
		case 'l':
			lockless = BOOL_TRUE;
			break;
		case 'e':
			stop_on_error = BOOL_TRUE;
			break;
		case 'b':
			interactive = BOOL_FALSE;
			break;
		case 'q':
			quiet = BOOL_TRUE;
			break;
		case 'u':
			utf8 = BOOL_TRUE;
			break;
		case '8':
			bit8 = BOOL_TRUE;
			break;
		case 'o':
			log = BOOL_TRUE;
			break;
		case 'O':
			if (lub_log_facility(optarg, &log_facility)) {
				fprintf(stderr, "Error: Illegal syslog facility %s.\n", optarg);
				help(-1, argv[0]);
				goto end;
			}
			break;
		case 'd':
			dryrun = BOOL_TRUE;
			break;
		case 'x':
			xml_path = optarg;
			break;
		case 'w':
			view = optarg;
			break;
		case 'i':
			viewid = optarg;
			break;
		case 'k':
			lockless = BOOL_TRUE;
			dryrun = BOOL_TRUE;
			dryrun_config = BOOL_TRUE;
			break;
		case 't':
			istimeout = BOOL_TRUE;
			timeout = atoi(optarg);
			break;
		case 'c': {
				char *str;
				cmd = BOOL_TRUE;
				quiet = BOOL_TRUE;
				str = strdup(optarg);
				lub_list_add(cmds, str);
			}
			break;
		case 'f':
			if (!strcmp(optarg, "/dev/null"))
				histfile = NULL;
			else
				histfile = optarg;
			break;
		case 'z': {
				int itmp = 0;
				itmp = atoi(optarg);
				if (itmp <= 0) {
					fprintf(stderr, "Error: Illegal histsize option value.\n");
					help(-1, argv[0]);
					goto end;
				}
				histsize = itmp;
			}
			break;
		case 'p':
#ifdef HAVE_LIB_LIBXSLT
			xslt_file = optarg;
#else
			fprintf(stderr, "Error: The klish was built without XSLT support.\n");
			goto end;
#endif
			break;
		case 'h':
			help(0, argv[0]);
			exit(0);
			break;
		case 'v':
			version(VERSION);
			exit(0);
			break;
		default:
			help(-1, argv[0]);
			goto end;
			break;
		}
	}

	/* Validate command line options */
	if (utf8 && bit8) {
		fprintf(stderr, "Error: The -u and -8 options can't be used together.\n");
		goto end;
	}

	/* Create shell instance */
	if (quiet) {
		FILE *tmpfd = NULL;
		if ((tmpfd = fopen("/dev/null", "w")))
			outfd = tmpfd;
	}
	shell = clish_shell_new(NULL, outfd, stop_on_error);
	if (!shell) {
		fprintf(stderr, "Error: Can't run clish.\n");
		goto end;
	}
	/* Load the XML files */
	clish_xmldoc_start();
	if (clish_shell_load_scheme(shell, xml_path, xslt_file))
		goto end;
	/* Set communication to the konfd */
	clish_shell__set_socket(shell, socket_path);
	/* Set lockless mode */
	if (lockless)
		clish_shell__set_lockfile(shell, NULL);
	/* Set interactive mode */
	if (!interactive)
		clish_shell__set_interactive(shell, interactive);
	/* Set startup view */
	if (view)
		clish_shell__set_startup_view(shell, view);
	/* Set startup viewid */
	if (viewid)
		clish_shell__set_startup_viewid(shell, viewid);
	/* Set UTF-8 or 8-bit mode */
	if (utf8 || bit8)
		clish_shell__set_utf8(shell, utf8);
	else {
#if HAVE_LANGINFO_CODESET
		/* Autodetect encoding */
		if (!strcmp(nl_langinfo(CODESET), "UTF-8"))
			clish_shell__set_utf8(shell, BOOL_TRUE);
#else
		/* The default is 8-bit if locale is not supported */
		clish_shell__set_utf8(shell, BOOL_FALSE);
#endif
	}
	/* Set logging */
	if (log) {
		clish_shell__set_log(shell, log);
		clish_shell__set_facility(shell, log_facility);
	}
	/* Set dry-run */
	if (dryrun)
		clish_shell__set_dryrun(shell, dryrun);
	/* Set idle timeout */
	if (istimeout)
		clish_shell__set_timeout(shell, timeout);
	/* Set history settings */
	clish_shell__stifle_history(shell, histsize);
	if (histfile)
		histfile_expanded = lub_system_tilde_expand(histfile);
	if (histfile_expanded)
		clish_shell__restore_history(shell, histfile_expanded);
	/* Load plugins, link aliases and check access rights */
	if (clish_shell_prepare(shell) < 0)
		goto end;
	/* Dryrun config and log hooks */
	if (dryrun_config) {
		if ((sym = clish_shell_get_hook(shell, CLISH_SYM_TYPE_CONFIG)))
			clish_sym__set_permanent(sym, BOOL_FALSE);
		if ((sym = clish_shell_get_hook(shell, CLISH_SYM_TYPE_LOG)))
			clish_sym__set_permanent(sym, BOOL_FALSE);
	}
#ifdef DEBUG
	clish_shell_dump(shell);
#endif

	/* Set source of command stream: files or interactive tty */
	if(optind < argc) {
		int i;
		/* Run the commands from the files */
		for (i = argc - 1; i >= optind; i--)
			clish_shell_push_file(shell, argv[i], stop_on_error);
	} else {
		/* The interactive shell */
		int tmpfd = dup(fileno(stdin));
#ifdef FD_CLOEXEC
		fcntl(tmpfd, F_SETFD, fcntl(tmpfd, F_GETFD) | FD_CLOEXEC);
#endif
		clish_shell_push_fd(shell, fdopen(tmpfd, "r"), stop_on_error);
	}

	/* Execute startup */
	running = clish_shell_startup(shell);
	if (running) {
		fprintf(stderr, "Error: Can't startup clish.\n");
		goto end;
	}

	if (cmd) {
		/* Iterate cmds */
		for(iter = lub_list__get_head(cmds);
			iter; iter = lub_list_node__get_next(iter)) {
			char *str = (char *)lub_list_node__get_data(iter);
			result = clish_shell_forceline(shell, str, NULL);
			if (stop_on_error && result)
				break;
		}
	} else {
		/* Main loop */
		result = clish_shell_loop(shell);
	}

end:
	/* Cleanup */
	if (shell) {
		if (histfile_expanded) {
			clish_shell__save_history(shell, histfile_expanded);
			free(histfile_expanded);
		}
		clish_shell_delete(shell);
	}
	if (quiet && (outfd != stdout))
		fclose(outfd);

	/* Delete each cmds element */
	while ((iter = lub_list__get_head(cmds))) {
		lub_list_del(cmds, iter);
		free(lub_list_node__get_data(iter));
		lub_list_node_free(iter);
	}
	lub_list_free(cmds);

	/* Stop XML engine */
	clish_xmldoc_stop();

	return result;
}
Beispiel #2
0
/* Parse command line options */
static int opts_parse(int argc, char *argv[], struct options *opts)
{
	static const char *shortopts = "hp:dO:t:vri:I:s:x:";
#ifdef HAVE_GETOPT_H
	static const struct option longopts[] = {
		{"help",		0, NULL, 'h'},
		{"pid",			1, NULL, 'p'},
		{"debug",		0, NULL, 'd'},
		{"facility",		1, NULL, 'O'},
		{"threshold",		1, NULL, 't'},
		{"verbose",		0, NULL, 'v'},
		{"ht",			0, NULL, 'r'},
		{"short-interval",	1, NULL, 'i'},
		{"long-interval",	1, NULL, 'i'},
		{"strategy",		1, NULL, 's'},
		{"pxm",			1, NULL, 'x'},
		{NULL,			0, NULL, 0}
	};
#endif
	optind = 1;
	while(1) {
		int opt;
#ifdef HAVE_GETOPT_H
		opt = getopt_long(argc, argv, shortopts, longopts, NULL);
#else
		opt = getopt(argc, argv, shortopts);
#endif
		if (-1 == opt)
			break;
		switch (opt) {
		case 'p':
			if (opts->pidfile)
				free(opts->pidfile);
			opts->pidfile = strdup(optarg);
			break;
		case 'x':
			if (opts->pxm)
				free(opts->pxm);
			opts->pxm = strdup(optarg);
			break;
		case 'd':
			opts->debug = 1;
			break;
		case 'v':
			opts->verbose = 1;
			break;
		case 'r':
			opts->ht = 1;
			break;
		case 'O':
			if (lub_log_facility(optarg, &(opts->log_facility))) {
				fprintf(stderr, "Error: Illegal syslog facility %s.\n", optarg);
				help(-1, argv[0]);
				exit(-1);
			}
			break;
		case 't':
			{
			char *endptr;
			float thresh;
			thresh = strtof(optarg, &endptr);
			if (endptr == optarg)
				thresh = opts->threshold;
			opts->threshold = thresh;
			if (thresh > 100.00) {
				fprintf(stderr, "Error: Illegal threshold value %s.\n", optarg);
				help(-1, argv[0]);
				exit(-1);
			}
			}
			break;
		case 'i':
			{
			char *endptr;
			unsigned long int val;
			val = strtoul(optarg, &endptr, 10);
			if (endptr != optarg)
				opts->short_interval = val;
			}
			break;
		case 'I':
			{
			char *endptr;
			unsigned long int val;
			val = strtoul(optarg, &endptr, 10);
			if (endptr != optarg)
				opts->long_interval = val;
			}
			break;
		case 's':
			if (!strcmp(optarg, "max"))
				opts->strategy = BIRQ_CHOOSE_MAX;
			else if (!strcmp(optarg, "min"))
				opts->strategy = BIRQ_CHOOSE_MIN;
			else if (!strcmp(optarg, "rnd"))
				opts->strategy = BIRQ_CHOOSE_RND;
			else {
				fprintf(stderr, "Error: Illegal strategy value %s.\n", optarg);
				help(-1, argv[0]);
				exit(-1);
			}
			break;
		case 'h':
			help(0, argv[0]);
			exit(0);
			break;
		default:
			help(-1, argv[0]);
			exit(-1);
			break;
		}
	}

	return 0;
}