initial commitorigin/gh-pagesgithub/gh-pages

1 files changed, 0 insertions, 347 deletions

diff --git a/src/rc/rc-misc.c b/src/rc/rc-misc.c
deleted file mode 100644
index f187158a..00000000
--- a/src/rc/rc-misc.c
+++ /dev/null
@@ -1,347 +0,0 @@
-/*
-  librc-misc.c
-  rc misc functions
-*/
-
-/*
- * Copyright (c) 2007-2008 Roy Marples <roy@marples.name>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <sys/file.h>
-#include <sys/types.h>
-#include <sys/utsname.h>
-
-#ifdef __linux__
-#  include <sys/sysinfo.h>
-#  include <regex.h>
-#endif
-
-#include <ctype.h>
-#include <fcntl.h>
-#include <limits.h>
-#include <signal.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "einfo.h"
-#include "queue.h"
-#include "rc.h"
-#include "rc-misc.h"
-#include "version.h"
-
-extern char **environ;
-
-bool
-rc_conf_yesno(const char *setting)
-{
-	return rc_yesno(rc_conf_value (setting));
-}
-
-static const char *const env_whitelist[] = {
-	"CONSOLE", "PATH", "SHELL", "USER", "HOME", "TERM",
-	"LANG", "LC_CTYPE", "LC_NUMERIC", "LC_TIME", "LC_COLLATE",
-	"LC_MONETARY", "LC_MESSAGES", "LC_PAPER", "LC_NAME", "LC_ADDRESS",
-	"LC_TELEPHONE", "LC_MEASUREMENT", "LC_IDENTIFICATION", "LC_ALL",
-	"IN_HOTPLUG", "IN_BACKGROUND", "RC_INTERFACE_KEEP_CONFIG",
-	NULL
-};
-
-void
-env_filter(void)
-{
-	RC_STRINGLIST *env_allow;
-	RC_STRINGLIST *profile;
-	RC_STRINGLIST *env_list;
-	RC_STRING *env;
-	char *e;
-	size_t i = 0;
-
-	/* Add the user defined list of vars */
-	env_allow = rc_stringlist_split(rc_conf_value("rc_env_allow"), " ");
-	profile = rc_config_load(RC_PROFILE_ENV);
-
-	/* Copy the env and work from this so we can manipulate it safely */
-	env_list = rc_stringlist_new();
-	while (environ && environ[i]) {
-		env = rc_stringlist_add(env_list, environ[i++]);
-		e = strchr(env->value, '=');
-		if (e)
-			*e = '\0';
-	}
-
-	TAILQ_FOREACH(env, env_list, entries) {
-		/* Check the whitelist */
-		for (i = 0; env_whitelist[i]; i++) {
-			if (strcmp(env_whitelist[i], env->value) == 0)
-				break;
-		}
-		if (env_whitelist[i])
-			continue;
-
-		/* Check our user defined list */
-		if (rc_stringlist_find(env_allow, env->value))
-			continue;
-
-		/* OK, not allowed! */
-		unsetenv(env->value);
-	}
-
-	/* Now add anything missing from the profile */
-	TAILQ_FOREACH(env, profile, entries) {
-		e = strchr(env->value, '=');
-		*e = '\0';
-		if (!getenv(env->value))
-			setenv(env->value, e + 1, 1);
-	}
-
-#ifdef DEBUG_MEMORY
-	rc_stringlist_free(env_list);
-	rc_stringlist_free(env_allow);
-	rc_stringlist_free(profile);
-#endif
-}
-
-void
-env_config(void)
-{
-	size_t pplen = strlen(RC_PATH_PREFIX);
-	char *path;
-	char *p;
-	char *e;
-	size_t l;
-	struct utsname uts;
-	FILE *fp;
-	char *token;
-	char *np;
-	char *npp;
-	char *tok;
-	const char *sys = rc_sys();
-	char buffer[PATH_MAX];
-
-	/* Ensure our PATH is prefixed with the system locations first
-	   for a little extra security */
-	path = getenv("PATH");
-	if (! path)
-		setenv("PATH", RC_PATH_PREFIX, 1);
-	else if (strncmp (RC_PATH_PREFIX, path, pplen) != 0) {
-		l = strlen(path) + pplen + 3;
-		e = p = xmalloc(sizeof(char) * l);
-		p += snprintf(p, l, "%s", RC_PATH_PREFIX);
-
-		/* Now go through the env var and only add bits not in our
-		 * PREFIX */
-		while ((token = strsep(&path, ":"))) {
-			np = npp = xstrdup(RC_PATH_PREFIX);
-			while ((tok = strsep(&npp, ":")))
-				if (strcmp(tok, token) == 0)
-					break;
-			if (! tok)
-				p += snprintf(p, l - (p - e), ":%s", token);
-			free (np);
-		}
-		*p++ = '\0';
-		unsetenv("PATH");
-		setenv("PATH", e, 1);
-		free(e);
-	}
-
-	setenv("RC_VERSION", VERSION, 1);
-	setenv("RC_LIBEXECDIR", RC_LIBEXECDIR, 1);
-	setenv("RC_SVCDIR", RC_SVCDIR, 1);
-	setenv("RC_TMPDIR", RC_SVCDIR "/tmp", 1);
-	setenv("RC_BOOTLEVEL", RC_LEVEL_BOOT, 1);
-	e = rc_runlevel_get();
-	setenv("RC_RUNLEVEL", e, 1);
-	free(e);
-
-	if ((fp = fopen(RC_KRUNLEVEL, "r"))) {
-		memset(buffer, 0, sizeof (buffer));
-		if (fgets(buffer, sizeof (buffer), fp)) {
-			l = strlen (buffer) - 1;
-			if (buffer[l] == '\n')
-				buffer[l] = 0;
-			setenv("RC_DEFAULTLEVEL", buffer, 1);
-		}
-		fclose(fp);
-	} else
-		setenv("RC_DEFAULTLEVEL", RC_LEVEL_DEFAULT, 1);
-
-	if (sys)
-		setenv("RC_SYS", sys, 1);
-
-#ifdef PREFIX
-	setenv("RC_PREFIX", RC_PREFIX, 1);
-#endif
-
-	/* Some scripts may need to take a different code path if
-	   Linux/FreeBSD, etc
-	   To save on calling uname, we store it in an environment variable */
-	if (uname(&uts) == 0)
-		setenv("RC_UNAME", uts.sysname, 1);
-
-	/* Be quiet or verbose as necessary */
-	if (rc_conf_yesno("rc_quiet"))
-		setenv("EINFO_QUIET", "YES", 1);
-	if (rc_conf_yesno("rc_verbose"))
-		setenv("EINFO_VERBOSE", "YES", 1);
-
-	errno = 0;
-	if ((! rc_conf_yesno("rc_color") && errno == 0) ||
-	    rc_conf_yesno("rc_nocolor"))
-		setenv("EINFO_COLOR", "NO", 1);
-}
-
-int
-signal_setup(int sig, void (*handler)(int))
-{
-	struct sigaction sa;
-
-	memset(&sa, 0, sizeof (sa));
-	sigemptyset(&sa.sa_mask);
-	sa.sa_handler = handler;
-	return sigaction(sig, &sa, NULL);
-}
-
-int
-svc_lock(const char *applet)
-{
-	char file[PATH_MAX];
-	int fd;
-
-	snprintf(file, sizeof(file), RC_SVCDIR "/exclusive/%s", applet);
-	fd = open(file, O_WRONLY | O_CREAT | O_NONBLOCK, 0664);
-	if (fd == -1)
-		return -1;
-	if (flock(fd, LOCK_EX | LOCK_NB) == -1) {
-		close(fd);
-		return -1;
-	}
-	return fd;
-}
-
-int
-svc_unlock(const char *applet, int fd)
-{
-	char file[PATH_MAX];
-
-	snprintf(file, sizeof(file), RC_SVCDIR "/exclusive/%s", applet);
-	close(fd);
-	unlink(file);
-	return -1;
-}
-
-pid_t
-exec_service(const char *service, const char *arg)
-{
-	char *file, sfd[32];
-	int fd;
-	pid_t pid = -1;
-	sigset_t full;
-	sigset_t old;
-	struct sigaction sa;
-
-	fd = svc_lock(basename_c(service));
-	if (fd == -1)
-		return -1;
-
-	file = rc_service_resolve(service);
-	if (!exists(file)) {
-		rc_service_mark(service, RC_SERVICE_STOPPED);
-		svc_unlock(basename_c(service), fd);
-		free(file);
-		return 0;
-	}
-	snprintf(sfd, sizeof(sfd), "%d", fd);
-
-	/* We need to block signals until we have forked */
-	memset(&sa, 0, sizeof (sa));
-	sa.sa_handler = SIG_DFL;
-	sigemptyset(&sa.sa_mask);
-	sigfillset(&full);
-	sigprocmask(SIG_SETMASK, &full, &old);
-
-	if ((pid = fork()) == 0) {
-		/* Restore default handlers */
-		sigaction(SIGCHLD, &sa, NULL);
-		sigaction(SIGHUP, &sa, NULL);
-		sigaction(SIGINT, &sa, NULL);
-		sigaction(SIGQUIT, &sa, NULL);
-		sigaction(SIGTERM, &sa, NULL);
-		sigaction(SIGUSR1, &sa, NULL);
-		sigaction(SIGWINCH, &sa, NULL);
-
-		/* Unmask signals */
-		sigprocmask(SIG_SETMASK, &old, NULL);
-
-		/* Safe to run now */
-		execl(file, file, "--lockfd", sfd, arg, (char *) NULL);
-		fprintf(stderr, "unable to exec `%s': %s\n",
-		    file, strerror(errno));
-		svc_unlock(basename_c(service), fd);
-		_exit(EXIT_FAILURE);
-	}
-
-	if (pid == -1) {
-		fprintf(stderr, "fork: %s\n",strerror (errno));
-		svc_unlock(basename_c(service), fd);
-	} else
-		fcntl(fd, F_SETFD, fcntl(fd, F_GETFD, 0) | FD_CLOEXEC);
-
-	sigprocmask(SIG_SETMASK, &old, NULL);
-	free(file);
-	return pid;
-}
-
-int
-parse_mode(mode_t *mode, char *text)
-{
-	char *p;
-	unsigned long l;
-
-	/* Check for a numeric mode */
-	if ((*text - '0') < 8) {
-		l = strtoul(text, &p, 8);
-		if (*p || l > 07777U) {
-			errno = EINVAL;
-			return -1;
-		}
-		*mode = (mode_t) l;
-		return 0;
-	}
-
-	/* We currently don't check g+w type stuff */
-	errno = EINVAL;
-	return -1;
-}
-
-int
-is_writable(const char *path)
-{
-	if (access(path, W_OK) == 0)
-		return 1;
-
-	return 0;
-}