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-rw-r--r--workspace/networkDiscovery/dhcpcd/dhcpcd.c145
1 files changed, 145 insertions, 0 deletions
diff --git a/workspace/networkDiscovery/dhcpcd/dhcpcd.c b/workspace/networkDiscovery/dhcpcd/dhcpcd.c
new file mode 100644
index 0000000..9af930a
--- /dev/null
+++ b/workspace/networkDiscovery/dhcpcd/dhcpcd.c
@@ -0,0 +1,145 @@
+/*
+ * 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
+ */