source: drbl_ui/backup/test_busybox/busybox-1.7.2/busybox-1.7.1_udhcp.patch_v2 @ 56

diff -Naur busybox-1.7.1.org/applets/applets.c busybox-1.7.1/applets/applets.c
--- busybox-1.7.1.org/applets/applets.c 2007-09-17 02:48:10.000000000 +0800
+++ busybox-1.7.1/applets/applets.c 2007-10-09 10:12:34.000000000 +0800
@@ -23,7 +23,7 @@
 #warning Note that glibc is unsuitable for static linking anyway.
 #warning If you still want to do it, remove -Wl,--gc-sections
 #warning from top-level Makefile and remove this warning.
-#error Aborting compilation.
+
 #endif
 
 
diff -Naur busybox-1.7.1.org/include/usage.h busybox-1.7.1/include/usage.h
--- busybox-1.7.1.org/include/usage.h 2007-09-03 19:48:46.000000000 +0800
+++ busybox-1.7.1/include/usage.h 2007-10-09 10:12:34.000000000 +0800
@@ -3653,7 +3653,7 @@
 
 #define udhcpc_trivial_usage \
        "[-Cfbnqtv] [-c CID] [-V VCLS] [-H HOSTNAME] [-i INTERFACE]\n" \
-       " [-p pidfile] [-r IP] [-s script]"
+       " [-p pidfile] [-r IP] [-s script] [-P CLIENT_PORT]"
 #define udhcpc_full_usage \
        " -V,--vendorclass=CLASSID  Set vendor class identifier" \
        "\n -i,--interface=INTERFACE  Interface to use (default: eth0)" \
@@ -3671,14 +3671,16 @@
        "\n -q,--quit Quit after obtaining lease" \
        "\n -R,--release  Release IP on quit" \
        "\n -v,--version  Display version" \
+       "\n -P,--client-port CLIENT_PORT  Use CLIENT_PORT as DHCP Client port (default: 68)" \
 
 #define udhcpd_trivial_usage \
-       "[-fS] [configfile]" \
+       "[-fS] [-P SERVER_PORT] [configfile]" \
 
 #define udhcpd_full_usage \
        "DHCP server" \
        "\n -f  Stay in foreground" \
-       "\n -S  Log to syslog too"
+       "\n -S  Log to syslog too"  \
+       "\n -P SERVER_PORT  Use SERVER_PORT as DHCP server port (default: 67)" \
 
 #define umount_trivial_usage \
        "[flags] FILESYSTEM|DIRECTORY"
diff -Naur busybox-1.7.1.org/Makefile busybox-1.7.1/Makefile
--- busybox-1.7.1.org/Makefile  2007-09-17 02:50:24.000000000 +0800
+++ busybox-1.7.1/Makefile  2007-10-09 10:12:34.000000000 +0800
@@ -570,7 +570,7 @@
 quiet_cmd_busybox__ ?= LINK    $@
       cmd_busybox__ ?= $(srctree)/scripts/trylink $(CC) $(LDFLAGS) \
       -o $@ -Wl,-Map -Wl,$@.map \
-      -Wl,--warn-common -Wl,--sort-common -Wl,--gc-sections \
+      -Wl,--warn-common -Wl,--sort-common  \
       -Wl,--start-group $(busybox-all) -Wl,--end-group \
       $(LDLIBS)
 
diff -Naur busybox-1.7.1.org/networking/udhcp/clientpacket.c busybox-1.7.1/networking/udhcp/clientpacket.c
--- busybox-1.7.1.org/networking/udhcp/clientpacket.c 2007-09-03 19:48:26.000000000 +0800
+++ busybox-1.7.1/networking/udhcp/clientpacket.c 2007-10-15 14:27:49.000000000 +0800
@@ -74,6 +74,12 @@
 int send_discover(uint32_t xid, uint32_t requested)
 {
  struct dhcpMessage packet;
+ int    SRV_PORT, CLT_PORT;
+
+ SRV_PORT=(client_port == NULL)?SERVER_PORT:(atoi(client_port) - 1);
+ CLT_PORT=(client_port == NULL)?CLIENT_PORT:atoi(client_port);
+
+ DEBUG("clientpacket.c: send_discover() - SRV_PORT= %d, CLT_PORT= %d\n", SRV_PORT, CLT_PORT);
 
  init_packet(&packet, DHCPDISCOVER);
  packet.xid = xid;
@@ -82,8 +88,7 @@
 
  add_requests(&packet);
  bb_info_msg("Sending discover...");
- return udhcp_raw_packet(&packet, INADDR_ANY, CLIENT_PORT, INADDR_BROADCAST,
-     SERVER_PORT, MAC_BCAST_ADDR, client_config.ifindex);
+ return udhcp_raw_packet(&packet, INADDR_ANY, CLT_PORT, INADDR_BROADCAST, SRV_PORT, MAC_BCAST_ADDR, client_config.ifindex);
 }
 
 
@@ -92,6 +97,12 @@
 {
  struct dhcpMessage packet;
  struct in_addr addr;
+ int    SRV_PORT, CLT_PORT;
+
+ SRV_PORT=(client_port == NULL)?SERVER_PORT:(atoi(client_port) - 1);
+ CLT_PORT=(client_port == NULL)?CLIENT_PORT:atoi(client_port);
+
+ DEBUG("clientpacket.c: send_selecting() - SRV_PORT= %d, CLT_PORT= %d\n", SRV_PORT, CLT_PORT);
 
  init_packet(&packet, DHCPREQUEST);
  packet.xid = xid;
@@ -102,8 +113,7 @@
  add_requests(&packet);
  addr.s_addr = requested;
  bb_info_msg("Sending select for %s...", inet_ntoa(addr));
- return udhcp_raw_packet(&packet, INADDR_ANY, CLIENT_PORT, INADDR_BROADCAST,
-       SERVER_PORT, MAC_BCAST_ADDR, client_config.ifindex);
+ return udhcp_raw_packet(&packet, INADDR_ANY, CLT_PORT, INADDR_BROADCAST, SRV_PORT, MAC_BCAST_ADDR, client_config.ifindex);
 }
 
 
@@ -111,6 +121,12 @@
 int send_renew(uint32_t xid, uint32_t server, uint32_t ciaddr)
 {
  struct dhcpMessage packet;
+ int    SRV_PORT, CLT_PORT;
+
+ SRV_PORT=(client_port == NULL)?SERVER_PORT:(atoi(client_port) - 1);
+ CLT_PORT=(client_port == NULL)?CLIENT_PORT:atoi(client_port);
+
+ DEBUG("clientpacket.c: send_renew() - SRV_PORT= %d, CLT_PORT= %d\n", SRV_PORT, CLT_PORT);
 
  init_packet(&packet, DHCPREQUEST);
  packet.xid = xid;
@@ -119,10 +135,10 @@
  add_requests(&packet);
  bb_info_msg("Sending renew...");
  if (server)
-   return udhcp_kernel_packet(&packet, ciaddr, CLIENT_PORT, server, SERVER_PORT);
+   return udhcp_kernel_packet(&packet, ciaddr, CLT_PORT, server, SRV_PORT);
 
- return udhcp_raw_packet(&packet, INADDR_ANY, CLIENT_PORT, INADDR_BROADCAST,
-       SERVER_PORT, MAC_BCAST_ADDR, client_config.ifindex);
+ return udhcp_raw_packet(&packet, INADDR_ANY, CLT_PORT, INADDR_BROADCAST,
+       SRV_PORT, MAC_BCAST_ADDR, client_config.ifindex);
 }
 
 
@@ -130,6 +146,12 @@
 int send_release(uint32_t server, uint32_t ciaddr)
 {
  struct dhcpMessage packet;
+ int    SRV_PORT, CLT_PORT;
+
+ SRV_PORT=(client_port == NULL)?SERVER_PORT:(atoi(client_port) - 1);
+ CLT_PORT=(client_port == NULL)?CLIENT_PORT:atoi(client_port);
+
+ DEBUG("clientpacket.c: send_release() - SRV_PORT= %d, CLT_PORT= %d\n", SRV_PORT, CLT_PORT);
 
  init_packet(&packet, DHCPRELEASE);
  packet.xid = random_xid();
@@ -139,7 +161,7 @@
  add_simple_option(packet.options, DHCP_SERVER_ID, server);
 
  bb_info_msg("Sending release...");
- return udhcp_kernel_packet(&packet, ciaddr, CLIENT_PORT, server, SERVER_PORT);
+ return udhcp_kernel_packet(&packet, ciaddr, CLT_PORT, server, SRV_PORT);
 }
 
 
@@ -151,6 +173,8 @@
  uint32_t source, dest;
  uint16_t check;
 
+ int CLT_PORT = (client_port == NULL)?CLIENT_PORT:atoi(client_port);
+
  memset(&packet, 0, sizeof(struct udp_dhcp_packet));
  bytes = read(fd, &packet, sizeof(struct udp_dhcp_packet));
  if (bytes < 0) {
@@ -175,7 +199,7 @@
  /* Make sure its the right packet for us, and that it passes sanity checks */
  if (packet.ip.protocol != IPPROTO_UDP || packet.ip.version != IPVERSION
   || packet.ip.ihl != sizeof(packet.ip) >> 2
-  || packet.udp.dest != htons(CLIENT_PORT)
+  || packet.udp.dest != htons(CLT_PORT)
   || bytes > (int) sizeof(struct udp_dhcp_packet)
   || ntohs(packet.udp.len) != (uint16_t)(bytes - sizeof(packet.ip))
  ) {
diff -Naur busybox-1.7.1.org/networking/udhcp/dhcpc.c busybox-1.7.1/networking/udhcp/dhcpc.c
--- busybox-1.7.1.org/networking/udhcp/dhcpc.c  2007-09-03 19:48:26.000000000 +0800
+++ busybox-1.7.1/networking/udhcp/dhcpc.c  2007-10-09 10:12:34.000000000 +0800
@@ -10,6 +10,7 @@
 
 #include <getopt.h>
 #include <syslog.h>
+#include <stdlib.h>  // for atoi()
 
 /* Override ENABLE_FEATURE_PIDFILE - ifupdown needs our pidfile to always exist */
 #define WANT_PIDFILE 1
@@ -179,6 +180,7 @@
    OPT_t = 1 << 16,
    OPT_v = 1 << 17,
    OPT_S = 1 << 18,
+   OPT_P = 1 << 19,
  };
 #if ENABLE_GETOPT_LONG
  static const char udhcpc_longopts[] ALIGN1 =
@@ -201,6 +203,7 @@
    "version\0"       No_argument       "v"
    "retries\0"       Required_argument "t"
    "syslog\0"        No_argument       "S"
+   "client-port\0"   Required_argument "P"
    ;
 #endif
  /* Default options. */
@@ -215,10 +218,10 @@
 #if ENABLE_GETOPT_LONG
  applet_long_options = udhcpc_longopts;
 #endif
- opt = getopt32(argv, "c:CV:fbH:h:F:i:np:qRr:s:T:t:vS",
+ opt = getopt32(argv, "c:CV:fbH:h:F:i:np:qRr:s:T:t:vSP:",
    &str_c, &str_V, &str_h, &str_h, &str_F,
    &client_config.interface, &client_config.pidfile, &str_r,
-   &client_config.script, &str_T, &str_t
+   &client_config.script, &str_T, &str_t, &client_port
    );
 
  if (opt & OPT_c)
@@ -269,6 +272,14 @@
    logmode |= LOGMODE_SYSLOG;
  }
 
+ if (opt & OPT_P) {
+   printf("Use %s as DHCP Client Port!\n",client_port);
+ }
+
+ if (client_port == NULL) {
+   printf("Use %d as DHCP Client Port!\n",CLIENT_PORT);
+ }
+
  if (read_interface(client_config.interface, &client_config.ifindex,
         NULL, client_config.arp))
    return 1;
@@ -310,10 +321,15 @@
    tv.tv_usec = 0;
 
    if (listen_mode != LISTEN_NONE && sockfd < 0) {
-     if (listen_mode == LISTEN_KERNEL)
-       sockfd = listen_socket(/*INADDR_ANY,*/ CLIENT_PORT, client_config.interface);
-     else
+     if (listen_mode == LISTEN_KERNEL) {
+       if (client_port == NULL) {
+         sockfd = listen_socket(/*INADDR_ANY,*/ CLIENT_PORT, client_config.interface);
+       } else {
+         sockfd = listen_socket(/*INADDR_ANY,*/ atoi(client_port), client_config.interface);
+       }
+     } else {
        sockfd = raw_socket(client_config.ifindex);
+     }
    }
    max_fd = udhcp_sp_fd_set(&rfds, sockfd);
 
diff -Naur busybox-1.7.1.org/networking/udhcp/dhcpd.c busybox-1.7.1/networking/udhcp/dhcpd.c
--- busybox-1.7.1.org/networking/udhcp/dhcpd.c  2007-09-03 19:48:26.000000000 +0800
+++ busybox-1.7.1/networking/udhcp/dhcpd.c  2007-10-09 10:12:34.000000000 +0800
@@ -11,6 +11,7 @@
  */
 
 #include <syslog.h>
+#include <stdlib.h>    // for atoi()
 #include "common.h"
 #include "dhcpd.h"
 #include "options.h"
@@ -20,7 +21,6 @@
 struct dhcpOfferedAddr *leases;
 struct server_config_t server_config;
 
-
 int udhcpd_main(int argc, char **argv);
 int udhcpd_main(int argc, char **argv)
 {
@@ -36,7 +36,7 @@
  struct option_set *option;
  struct dhcpOfferedAddr *lease, static_lease;
 
- opt = getopt32(argv, "fS");
+ opt = getopt32(argv, "fSP:",&server_port);
  argv += optind;
 
  if (!(opt & 1)) { /* no -f */
@@ -49,6 +49,15 @@
    logmode |= LOGMODE_SYSLOG;
  }
 
+ if (opt & 4) { /* -P */
+   printf("Use %s for DHCP Server Port!\n",server_port);
+ }
+
+ if ( server_port == NULL)
+ {
+   printf("Use %d for DHCP Server Port!\n",SERVER_PORT);
+ }
+
  /* Would rather not do read_config before daemonization -
   * otherwise NOMMU machines will parse config twice */
  read_config(argv[0] ? argv[0] : DHCPD_CONF_FILE);
@@ -95,8 +104,10 @@
  while (1) { /* loop until universe collapses */
 
    if (server_socket < 0) {
-     server_socket = listen_socket(/*INADDR_ANY,*/ SERVER_PORT,
-         server_config.interface);
+     if ( server_port == NULL)
+       server_socket = listen_socket(/*INADDR_ANY,*/ SERVER_PORT, server_config.interface);
+     else
+       server_socket = listen_socket(/*INADDR_ANY,*/ atoi(server_port), server_config.interface);
    }
 
    max_sock = udhcp_sp_fd_set(&rfds, server_socket);
diff -Naur busybox-1.7.1.org/networking/udhcp/options.c busybox-1.7.1/networking/udhcp/options.c
--- busybox-1.7.1.org/networking/udhcp/options.c  2007-09-03 19:48:26.000000000 +0800
+++ busybox-1.7.1/networking/udhcp/options.c  2007-10-09 10:12:34.000000000 +0800
@@ -67,6 +67,8 @@
  [OPTION_S32] =     4
 };
 
+char *server_port = NULL;
+char *client_port = NULL;
 
 /* get an option with bounds checking (warning, not aligned). */
 uint8_t *get_option(struct dhcpMessage *packet, int code)
diff -Naur busybox-1.7.1.org/networking/udhcp/options.h busybox-1.7.1/networking/udhcp/options.h
--- busybox-1.7.1.org/networking/udhcp/options.h  2007-09-03 19:48:26.000000000 +0800
+++ busybox-1.7.1/networking/udhcp/options.h  2007-10-09 10:12:34.000000000 +0800
@@ -105,6 +105,8 @@
 
 extern const struct dhcp_option dhcp_options[];
 extern const unsigned char option_lengths[];
+extern char  *server_port;
+extern char  *client_port;
 
 uint8_t *get_option(struct dhcpMessage *packet, int code);
 int end_option(uint8_t *optionptr);
diff -Naur busybox-1.7.1.org/networking/udhcp/serverpacket.c busybox-1.7.1/networking/udhcp/serverpacket.c
--- busybox-1.7.1.org/networking/udhcp/serverpacket.c 2007-09-03 19:48:26.000000000 +0800
+++ busybox-1.7.1/networking/udhcp/serverpacket.c 2007-10-15 14:50:07.000000000 +0800
@@ -30,8 +30,13 @@
 {
  DEBUG("Forwarding packet to relay");
 
- return udhcp_kernel_packet(payload, server_config.server, SERVER_PORT,
-     payload->giaddr, SERVER_PORT);
+ if (server_port == NULL) {
+   DEBUG("udhcp_kernel_packet(payload, server_config.server, %d, payload->giaddr, %d);",SERVER_PORT,SERVER_PORT);
+   return udhcp_kernel_packet(payload, server_config.server, SERVER_PORT, payload->giaddr, SERVER_PORT);
+ } else {
+   DEBUG("udhcp_kernel_packet(payload, server_config.server, %d, payload->giaddr, %d);",atoi(server_port),atoi(server_port));
+   return udhcp_kernel_packet(payload, server_config.server, atoi(server_port), payload->giaddr, atoi(server_port));
+ }
 }
 
 
@@ -40,6 +45,12 @@
 {
  const uint8_t *chaddr;
  uint32_t ciaddr;
+ int      SRV_PORT=0, CLT_PORT=0;
+
+ SRV_PORT=(server_port == NULL)?SERVER_PORT:atoi(server_port);
+ CLT_PORT=(server_port == NULL)?CLIENT_PORT:(atoi(server_port) + 1);
+
+ DEBUG("serverpacket.c: send_packet_to_client() - SRV_PORT=%d, CLT_PORT= %d",SRV_PORT, CLT_PORT);
 
  if (force_broadcast) {
    DEBUG("broadcasting packet to client (NAK)");
@@ -58,8 +69,8 @@
    ciaddr = payload->yiaddr;
    chaddr = payload->chaddr;
  }
- return udhcp_raw_packet(payload, server_config.server, SERVER_PORT,
-     ciaddr, CLIENT_PORT, chaddr, server_config.ifindex);
+ return udhcp_raw_packet(payload, server_config.server, SRV_PORT,
+     ciaddr, CLT_PORT, chaddr, server_config.ifindex);
 }