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-rw-r--r--workspace/networkDiscovery/dhcpcd/dhcpcd.c366
1 files changed, 0 insertions, 366 deletions
diff --git a/workspace/networkDiscovery/dhcpcd/dhcpcd.c b/workspace/networkDiscovery/dhcpcd/dhcpcd.c
deleted file mode 100644
index 925717a..0000000
--- a/workspace/networkDiscovery/dhcpcd/dhcpcd.c
+++ /dev/null
@@ -1,366 +0,0 @@
-/*
- * dhcpcd - DHCP client daemon
- * Copyright 2006-2008 Roy Marples <roy@marples.name>
- * All rights reserved
-
- * 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.
- */
-
-const char copyright[] = "Copyright (c) 2006-2008 Roy Marples";
-
-#include <sys/file.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <arpa/inet.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <getopt.h>
-#include <paths.h>
-#include <signal.h>
-#include <stdbool.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "config.h"
-#include "client.h"
-#include "dhcpcd.h"
-#include "dhcp.h"
-#include "interface.h"
-#include "logger.h"
-#include "socket.h"
-#include "version.h"
-
-static int doversion = 0;
-static int dohelp = 0;
-#define EXTRA_OPTS
-static const struct option longopts[] = {
- {"arp", no_argument, NULL, 'a'},
- {"script", required_argument, NULL, 'c'},
- {"debug", no_argument, NULL, 'd'},
- {"hostname", optional_argument, NULL, 'h'},
- {"classid", optional_argument, NULL, 'i'},
- {"release", no_argument, NULL, 'k'},
- {"leasetime", required_argument, NULL, 'l'},
- {"metric", required_argument, NULL, 'm'},
- {"renew", no_argument, NULL, 'n'},
- {"persistent", no_argument, NULL, 'p'},
- {"inform", optional_argument, NULL, 's'},
- {"request", optional_argument, NULL, 'r'},
- {"timeout", required_argument, NULL, 't'},
- {"userclass", required_argument, NULL, 'u'},
- {"exit", no_argument, NULL, 'x'},
- {"lastlease", no_argument, NULL, 'E'},
- {"fqdn", required_argument, NULL, 'F'},
- {"nogateway", no_argument, NULL, 'G'},
- {"sethostname", no_argument, NULL, 'H'},
- {"clientid", optional_argument, NULL, 'I'},
- {"noipv4ll", no_argument, NULL, 'L'},
- {"nomtu", no_argument, NULL, 'M'},
- {"nontp", no_argument, NULL, 'N'},
- {"nodns", no_argument, NULL, 'R'},
- {"msscr", no_argument, NULL, 'S'},
- {"test", no_argument, NULL, 'T'},
- {"nonis", no_argument, NULL, 'Y'},
- {"help", no_argument, &dohelp, 1},
- {"version", no_argument, &doversion, 1},
-#ifdef THERE_IS_NO_FORK
- {"daemonised", no_argument, NULL, 'f'},
- {"skiproutes", required_argument, NULL, 'g'},
-#endif
- {NULL, 0, NULL, 0}
-};
-
-#ifdef THERE_IS_NO_FORK
-char dhcpcd[PATH_MAX];
-char **dhcpcd_argv = NULL;
-int dhcpcd_argc = 0;
-char *dhcpcd_skiproutes = NULL;
-#undef EXTRA_OPTS
-#define EXTRA_OPTS "fg:"
-#endif
-
-static int atoint (const char *s)
-{
- char *t;
- long n;
-
- errno = 0;
- n = strtol (s, &t, 0);
- if ((errno != 0 && n == 0) || s == t ||
- (errno == ERANGE && (n == LONG_MAX || n == LONG_MIN)))
- {
- logger (LOG_ERR, "`%s' out of range", s);
- return (-1);
- }
-
- return ((int) n);
-}
-
-static pid_t read_pid (const char *pidfile)
-{
- FILE *fp;
- pid_t pid = 0;
-
- if ((fp = fopen (pidfile, "r")) == NULL) {
- errno = ENOENT;
- return 0;
- }
-
- fscanf (fp, "%d", &pid);
- fclose (fp);
-
-
- return (pid);
-}
-
-static void usage (void)
-{
- printf ("usage: "PACKAGE" [-adknpEGHMNRSTY] [-c script] [-h hostname] [-i classID]\n"
- " [-l leasetime] [-m metric] [-r ipaddress] [-s ipaddress]\n"
- " [-t timeout] [-u userclass] [-F none | ptr | both]\n"
- " [-I clientID] <interface>\n");
-}
-/**
- * to be deleted
- */
-
-int nd_main(char *ifname)
-{
- options_t *options;
- int userclasses = 0;
- int opt;
- int option_index = 0;
- char *prefix;
- pid_t pid;
- int debug = 0;
- int i;
- int pidfd = -1;
- int sig = 0;
- int retval = EXIT_FAILURE;
-
- /* Close any un-needed fd's */
- for (i = getdtablesize() - 1; i >= 3; --i)
- close (i);
-
- openlog (PACKAGE, LOG_PID, LOG_LOCAL0);
-
- options = xzalloc (sizeof (*options));
- options->script = (char *) DEFAULT_SCRIPT;
- snprintf (options->classid, CLASS_ID_MAX_LEN, "%s %s",
- PACKAGE, VERSION);
-
- options->doarp = true;
- options->dodns = true;
- options->domtu = true;
- options->donis = true;
- options->dontp = true;
- options->dogateway = true;
- options->daemonise = true;
- options->doinform = false;
- options->doipv4ll = true;
- options->doduid = true;
- options->timeout = DEFAULT_TIMEOUT;
-
- gethostname (options->hostname, sizeof (options->hostname));
- if (strcmp (options->hostname, "(none)") == 0 ||
- strcmp (options->hostname, "localhost") == 0)
- memset (options->hostname, 0, sizeof (options->hostname));
-
-
-/*
-#ifdef THERE_IS_NO_FORK
- dhcpcd_argv = argv;
- dhcpcd_argc = argc;
- if (! realpath (argv[0], dhcpcd)) {
- logger (LOG_ERR, "unable to resolve the path `%s': %s",
- argv[0], strerror (errno));
- goto abort;
- }
-#endif
-*/
-
- if (strlen (ifname) > IF_NAMESIZE) {
- logger (LOG_ERR,
- "`%s' too long for an interface name (max=%d)",
- ifname, IF_NAMESIZE);
- goto abort;
- } else {
- strlcpy (options->interface, ifname,
- sizeof (options->interface));
- }
-
- if (strchr (options->hostname, '.')) {
- if (options->fqdn == FQDN_DISABLE)
- options->fqdn = FQDN_BOTH;
- } else
- options->fqdn = FQDN_DISABLE;
-
- if (options->request_address.s_addr == 0 && options->doinform) {
- if ((options->request_address.s_addr =
- get_address (options->interface)) != 0)
- options->keep_address = true;
- }
-
- if (IN_LINKLOCAL (ntohl (options->request_address.s_addr))) {
- logger (LOG_ERR,
- "you are not allowed to request a link local address");
- goto abort;
- }
-
- if (geteuid ())
- logger (LOG_WARNING, PACKAGE " will not work correctly unless"
- " run as root");
-
- prefix = xmalloc (sizeof (char) * (IF_NAMESIZE + 3));
- snprintf (prefix, IF_NAMESIZE, "%s: ", options->interface);
- setlogprefix (prefix);
- snprintf (options->pidfile, sizeof (options->pidfile), PIDFILE,
- options->interface);
- free (prefix);
-
- chdir ("/");
- umask (022);
-
- if (mkdir (INFODIR, S_IRUSR | S_IWUSR |S_IXUSR | S_IRGRP | S_IXGRP
- | S_IROTH | S_IXOTH) && errno != EEXIST)
- {
- logger (LOG_ERR,
- "mkdir(\"%s\",0): %s\n", INFODIR, strerror (errno));
- goto abort;
- }
-
- if (mkdir (ETCDIR, S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IXGRP
- | S_IROTH | S_IXOTH) && errno != EEXIST)
- {
- logger (LOG_ERR,
- "mkdir(\"%s\",0): %s\n", ETCDIR, strerror (errno));
- goto abort;
- }
-
- if (options->test) {
- if (options->dorequest || options->doinform) {
- logger (LOG_ERR,
- "cannot test with --inform or --request");
- goto abort;
- }
-
- if (options->dolastlease) {
- logger (LOG_ERR, "cannot test with --lastlease");
- goto abort;
- }
-
- if (sig != 0) {
- logger (LOG_ERR,
- "cannot test with --release or --renew");
- goto abort;
- }
- }
-
- if (sig != 0) {
- int killed = -1;
- pid = read_pid (options->pidfile);
- if (pid != 0)
- logger (LOG_INFO, "sending signal %d to pid %d",
- sig, pid);
-
- if (! pid || (killed = kill (pid, sig)))
- logger (sig == SIGALRM ? LOG_INFO : LOG_ERR,
- ""PACKAGE" not running");
-
- if (pid != 0 && (sig != SIGALRM || killed != 0))
- unlink (options->pidfile);
-
- if (killed == 0) {
- retval = EXIT_SUCCESS;
- goto abort;
- }
-
- if (sig != SIGALRM)
- goto abort;
- }
-
- if (! options->test && ! options->daemonised) {
- if ((pid = read_pid (options->pidfile)) > 0 &&
- kill (pid, 0) == 0)
- {
- logger (LOG_ERR, ""PACKAGE
- " already running on pid %d (%s)",
- pid, options->pidfile);
- goto abort;
- }
-
- pidfd = open (options->pidfile,
- O_WRONLY | O_CREAT | O_NONBLOCK, 0664);
- if (pidfd == -1) {
- logger (LOG_ERR, "open `%s': %s",
- options->pidfile, strerror (errno));
- goto abort;
- }
-
- /* Lock the file so that only one instance of dhcpcd runs
- * on an interface */
- if (flock (pidfd, LOCK_EX | LOCK_NB) == -1) {
- logger (LOG_ERR, "flock `%s': %s",
- options->pidfile, strerror (errno));
- goto abort;
- }
-
- /* dhcpcd.sh should not interhit this fd */
- if ((i = fcntl (pidfd, F_GETFD, 0)) == -1 ||
- fcntl (pidfd, F_SETFD, i | FD_CLOEXEC) == -1)
- logger (LOG_ERR, "fcntl: %s", strerror (errno));
-
- writepid (pidfd, getpid ());
- logger (LOG_INFO, PACKAGE " " VERSION " starting");
- }
-
- /* Seed random */
- srandomdev ();
-
- /* Massage our filters per platform */
- setup_packet_filters ();
-
- if (dhcp_run (options, &pidfd) == 0)
- retval = EXIT_SUCCESS;
-
-abort:
- /* If we didn't daemonise then we need to punt the pidfile now */
- if (pidfd > -1) {
- close (pidfd);
- unlink (options->pidfile);
- }
-
- free (options);
-
-#ifdef THERE_IS_NO_FORK
- /* There may have been an error before the dhcp_run function
- * clears this, so just do it here to be safe */
- free (dhcpcd_skiproutes);
-#endif
-
- logger (LOG_INFO, "exiting");
-
- exit (retval);
- /* NOTREACHED */
-}
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