X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=networking%2Fudhcp%2Fcommon.h;h=70a769342c6265cff875ea42b05f2fa2b6d433dd;hb=83e5d6f77237b64853c194b0ce592e77ef677c4d;hp=ca19a24971de9f8ecd5c9d8ed7e1c60658dee068;hpb=918f2ab3d794172fcc089be3c3f4b0fe71537652;p=oweals%2Fbusybox.git diff --git a/networking/udhcp/common.h b/networking/udhcp/common.h index ca19a2497..70a769342 100644 --- a/networking/udhcp/common.h +++ b/networking/udhcp/common.h @@ -1,56 +1,108 @@ +/* vi: set sw=4 ts=4: */ /* common.h * * Russ Dill September 2001 * Rewritten by Vladimir Oleynik (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 +# define DEFAULT_SCRIPT "/usr/share/udhcpc/default.script" #endif +#define COMBINED_BINARY + + +/*** packet.h ***/ + +#include +#include + +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