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-rw-r--r--polux/application/busybox/networking/udhcp/common.h101
1 files changed, 101 insertions, 0 deletions
diff --git a/polux/application/busybox/networking/udhcp/common.h b/polux/application/busybox/networking/udhcp/common.h
new file mode 100644
index 0000000000..d44bca4e6e
--- /dev/null
+++ b/polux/application/busybox/networking/udhcp/common.h
@@ -0,0 +1,101 @@
+/* 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
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ */
+
+#ifndef _COMMON_H
+#define _COMMON_H
+
+#include "libbb.h"
+
+#define DEFAULT_SCRIPT CONFIG_DHCPC_DEFAULT_SCRIPT
+
+extern const uint8_t MAC_BCAST_ADDR[6]; /* six all-ones */
+
+/*** packet.h ***/
+
+#include <netinet/udp.h>
+#include <netinet/ip.h>
+
+#define DHCP_OPTIONS_BUFSIZE 308
+
+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[DHCP_OPTIONS_BUFSIZE + CONFIG_UDHCPC_SLACK_FOR_BUGGY_SERVERS];
+} ATTRIBUTE_PACKED;
+
+struct udp_dhcp_packet {
+ struct iphdr ip;
+ struct udphdr udp;
+ struct dhcpMessage data;
+} ATTRIBUTE_PACKED;
+
+/* Let's see whether compiler understood us right */
+struct BUG_bad_sizeof_struct_udp_dhcp_packet {
+ char BUG_bad_sizeof_struct_udp_dhcp_packet
+ [(sizeof(struct udp_dhcp_packet) != 576 + CONFIG_UDHCPC_SLACK_FOR_BUGGY_SERVERS) ? -1 : 1];
+};
+
+uint16_t udhcp_checksum(void *addr, int count);
+
+void udhcp_init_header(struct dhcpMessage *packet, char type);
+
+int udhcp_recv_packet(struct dhcpMessage *packet, int fd);
+int udhcp_send_raw_packet(struct dhcpMessage *payload,
+ uint32_t source_ip, int source_port,
+ uint32_t dest_ip, int dest_port,
+ const uint8_t *dest_arp, int ifindex);
+int udhcp_send_kernel_packet(struct dhcpMessage *payload,
+ uint32_t source_ip, int source_port,
+ uint32_t dest_ip, int dest_port);
+
+
+/**/
+
+void udhcp_run_script(struct dhcpMessage *packet, const char *name);
+
+// Still need to clean these up...
+
+/* 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
+/* from socket.h */
+#define listen_socket udhcp_listen_socket
+#define read_interface udhcp_read_interface
+
+void udhcp_sp_setup(void);
+int udhcp_sp_fd_set(fd_set *rfds, int extra_fd);
+int udhcp_sp_read(const fd_set *rfds);
+int raw_socket(int ifindex);
+int read_interface(const char *interface, int *ifindex, uint32_t *addr, uint8_t *arp);
+int listen_socket(/*uint32_t ip,*/ int port, const char *inf);
+/* Returns 1 if no reply received */
+int arpping(uint32_t test_ip, uint32_t from_ip, uint8_t *from_mac, const char *interface);
+
+#if ENABLE_FEATURE_UDHCP_DEBUG
+# define DEBUG(str, args...) bb_info_msg("### " str, ## args)
+#else
+# define DEBUG(str, args...) do {;} while (0)
+#endif
+
+#endif