+/* vi: set sw=4 ts=4: */
/* common.h
*
* Russ Dill <Russ.Dill@asu.edu> September 2001
* Rewritten by Vladimir Oleynik <dzo@simtreas.ru> (C) 2003
*
- * 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, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
#ifndef _COMMON_H
#define _COMMON_H
-#include "version.h"
-#include "libbb_udhcp.h"
-
+#include "busybox.h"
-#ifndef UDHCP_SYSLOG
-enum syslog_levels {
- LOG_EMERG = 0,
- LOG_ALERT,
- LOG_CRIT,
- LOG_WARNING,
- LOG_ERR,
- LOG_INFO,
- LOG_DEBUG
-};
+#ifdef CONFIG_INSTALL_NO_USR
+# define DEFAULT_SCRIPT "/share/udhcpc/default.script"
#else
-#include <syslog.h>
+# define DEFAULT_SCRIPT "/usr/share/udhcpc/default.script"
#endif
+#define COMBINED_BINARY
+
+
+/*** packet.h ***/
+
+#include <netinet/udp.h>
+#include <netinet/ip.h>
+
+struct dhcpMessage {
+ uint8_t op;
+ uint8_t htype;
+ uint8_t hlen;
+ uint8_t hops;
+ uint32_t xid;
+ uint16_t secs;
+ uint16_t flags;
+ uint32_t ciaddr;
+ uint32_t yiaddr;
+ uint32_t siaddr;
+ uint32_t giaddr;
+ uint8_t chaddr[16];
+ uint8_t sname[64];
+ uint8_t file[128];
+ uint32_t cookie;
+ uint8_t options[308]; /* 312 - cookie */
+};
+
+struct udp_dhcp_packet {
+ struct iphdr ip;
+ struct udphdr udp;
+ struct dhcpMessage data;
+};
+
+void udhcp_init_header(struct dhcpMessage *packet, char type);
+int udhcp_get_packet(struct dhcpMessage *packet, int fd);
+uint16_t udhcp_checksum(void *addr, int count);
+int udhcp_raw_packet(struct dhcpMessage *payload,
+ uint32_t source_ip, int source_port,
+ uint32_t dest_ip, int dest_port, uint8_t *dest_arp, int ifindex);
+int udhcp_kernel_packet(struct dhcpMessage *payload,
+ uint32_t source_ip, int source_port,
+ uint32_t dest_ip, int dest_port);
+
+
+/**/
+
+void udhcp_background(const char *pidfile);
+void udhcp_start_log_and_pid(const char *pidfile);
+
+void udhcp_run_script(struct dhcpMessage *packet, const char *name);
+
+// Still need to clean these up...
+
+/* from pidfile.h */
+#define pidfile_acquire udhcp_pidfile_acquire
+#define pidfile_write_release udhcp_pidfile_write_release
+/* from options.h */
+#define get_option udhcp_get_option
+#define end_option udhcp_end_option
+#define add_option_string udhcp_add_option_string
+#define add_simple_option udhcp_add_simple_option
+#define option_lengths udhcp_option_lengths
+/* from socket.h */
+#define listen_socket udhcp_listen_socket
+#define read_interface udhcp_read_interface
+/* from dhcpc.h */
+#define client_config udhcp_client_config
+/* from dhcpd.h */
+#define server_config udhcp_server_config
+
long uptime(void);
-void background(const char *pidfile);
-void start_log_and_pid(const char *client_server, const char *pidfile);
-void background(const char *pidfile);
-void udhcp_logging(int level, const char *fmt, ...);
-
-#define LOG(level, str, args...) udhcp_logging(level, str, ## args)
-
-#ifdef UDHCP_DEBUG
-# define DEBUG(level, str, args...) LOG(level, str, ## args)
+void udhcp_sp_setup(void);
+int udhcp_sp_fd_set(fd_set *rfds, int extra_fd);
+int udhcp_sp_read(fd_set *rfds);
+int raw_socket(int ifindex);
+int read_interface(char *interface, int *ifindex, uint32_t *addr, uint8_t *arp);
+int listen_socket(uint32_t ip, int port, char *inf);
+int pidfile_acquire(const char *pidfile);
+void pidfile_write_release(int pid_fd);
+int arpping(uint32_t yiaddr, uint32_t ip, uint8_t *arp, char *interface);
+
+#if ENABLE_FEATURE_UDHCP_DEBUG
+# define DEBUG(str, args...) bb_info_msg(str, ## args)
#else
-# define DEBUG(level, str, args...) do {;} while(0)
+# define DEBUG(str, args...) do {;} while (0)
#endif
#endif