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authorMatt Fleming <matt.fleming@intel.com>2012-10-11 21:16:37 +0100
committerMatt Fleming <matt.fleming@intel.com>2012-10-11 21:17:58 +0100
commit940d4876ab8dc6dcbdbf47ba8be98cba0516c66e (patch)
treeb42256b0f3344a52622febf3306933ae1f8bd864 /com32/modules
parent7d9ee65cc9577eb69782a49a34895ae80820e9ff (diff)
parent85dba2c3058996d72def4a44304df882da3aa807 (diff)
downloadsyslinux-940d4876ab8dc6dcbdbf47ba8be98cba0516c66e.tar.gz
syslinux-940d4876ab8dc6dcbdbf47ba8be98cba0516c66e.tar.xz
syslinux-940d4876ab8dc6dcbdbf47ba8be98cba0516c66e.zip
Merge branch 'pxechn-fix-news-for-hpa-2' of git://github.com/geneC/syslinux
Conflicts: NEWS com32/modules/Makefile
Diffstat (limited to 'com32/modules')
-rw-r--r--com32/modules/Makefile2
-rw-r--r--com32/modules/prdhcp.c164
-rw-r--r--com32/modules/pxechn.c49
3 files changed, 209 insertions, 6 deletions
diff --git a/com32/modules/Makefile b/com32/modules/Makefile
index 24b7d283..f110e584 100644
--- a/com32/modules/Makefile
+++ b/com32/modules/Makefile
@@ -24,7 +24,7 @@ MODULES = config.c32 ethersel.c32 dmitest.c32 cpuidtest.c32 \
meminfo.c32 sdi.c32 sanboot.c32 ifcpu64.c32 vesainfo.c32 \
kbdmap.c32 cmd.c32 vpdtest.c32 host.c32 ls.c32 gpxecmd.c32 \
ifcpu.c32 cpuid.c32 cat.c32 pwd.c32 ifplop.c32 zzjson.c32 \
- whichsys.c32 pxechn.c32 kontron_wdt.c32 ifmemdsk.c32
+ whichsys.c32 prdhcp.c32 pxechn.c32 kontron_wdt.c32 ifmemdsk.c32
TESTFILES =
diff --git a/com32/modules/prdhcp.c b/com32/modules/prdhcp.c
new file mode 100644
index 00000000..321d4e77
--- /dev/null
+++ b/com32/modules/prdhcp.c
@@ -0,0 +1,164 @@
+/* ----------------------------------------------------------------------- *
+ *
+ * Copyright 2010-2011 Gene Cumm - All Rights Reserved
+ *
+ * Portions from chain.c:
+ * Copyright 2003-2009 H. Peter Anvin - All Rights Reserved
+ * Copyright 2009-2010 Intel Corporation; author: H. Peter Anvin
+ * Significant portions copyright (C) 2010 Shao Miller
+ * [partition iteration, GPT, "fs"]
+ *
+ * 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, Inc., 53 Temple Place Ste 330,
+ * Boston MA 02111-1307, USA; either version 2 of the License, or
+ * (at your option) any later version; incorporated herein by reference.
+ *
+ * ----------------------------------------------------------------------- */
+
+/*
+ * prdhcp.c
+ *
+ * Print the contents of the 3 DHCP packets
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <consoles.h>
+#include <console.h>
+#include <errno.h>
+#include <string.h>
+#include <syslinux/config.h>
+#include <syslinux/loadfile.h>
+#include <syslinux/bootrm.h>
+#include <syslinux/video.h>
+#include <com32.h>
+#include <stdint.h>
+#include <syslinux/pxe.h>
+#include <sys/gpxe.h>
+#include <unistd.h>
+#include <getkey.h>
+
+#define DEBUG 1
+
+#define dprintf0(f, ...) ((void)0)
+
+#ifdef DEBUG
+# define dpressanykey pressanykey
+# define dprintf printf
+# define dprint_pxe_bootp_t print_pxe_bootp_t
+# define dprint_pxe_vendor_blk print_pxe_vendor_blk
+# define dprint_pxe_vendor_raw print_pxe_vendor_raw
+#else
+# define dpressanykey(void) ((void)0)
+# define dprintf(f, ...) ((void)0)
+# define dprint_pxe_bootp_t(p, l) ((void)0)
+# define dprint_pxe_vendor_blk(p, l) ((void)0)
+# define dprint_pxe_vendor_raw(p, l) ((void)0)
+#endif
+
+#define dprintf_opt_cp dprintf0
+#define dprintf_opt_inj dprintf
+
+
+const char app_name_str[] = "prdhcp.c32";
+
+
+int pressanykey(void) {
+ int inc;
+
+ printf("Press any key to continue. ");
+ inc = KEY_NONE;
+ while (inc == KEY_NONE)
+ inc = get_key(stdin, 6000);
+ puts("");
+ return inc;
+}
+
+void print_pxe_vendor_blk(pxe_bootp_t *p, size_t len)
+{
+ int i, vlen, oplen, j;
+ uint8_t *d;
+ uint32_t magic;
+ if (!p) {
+ printf(" packet pointer is null\n");
+ return;
+ }
+ vlen = len - ((void *)&(p->vendor) - (void *)p);
+ printf(" Vendor Data: Len=%d", vlen);
+ d = p->vendor.d;
+ /* Print only 256 characters of the vendor/option data */
+ /*
+ print_pxe_vendor_raw(p, (len - vlen) + 256);
+ vlen = 0;
+ */
+ magic = ntohl(*((uint32_t *)d));
+ printf(" Magic: %08X", ntohl(*((uint32_t *)d)));
+ if (magic != VM_RFC1048) /* Invalid DHCP packet */
+ vlen = 0;
+ for (i = 4; i < vlen; i++) {
+ if (d[i]) /* Skip the padding */
+ printf("\n @%03X-%3d", i, d[i]);
+ if (d[i] == 255) /* End of list */
+ break;
+ if (d[i]) {
+ oplen = d[++i];
+ printf(" l=%3d:", oplen);
+ for (j = (++i + oplen); i < vlen && i < j; i++) {
+ printf(" %02X", d[i]);
+ }
+ i--;
+ }
+ }
+ printf("\n");
+}
+
+void print_pxe_bootp_t(pxe_bootp_t *p, size_t len)
+{
+ if (!p) {
+ printf(" packet pointer is null\n");
+ return;
+ }
+ printf(" op:%02X hw:%02X hl:%02X gh:%02X id:%08X se:%04X f:%04X"
+ " cip:%08X\n", p->opcode, p->Hardware, p->Hardlen, p->Gatehops,
+ ntohl(p->ident), ntohs(p->seconds), ntohs(p->Flags), ntohl(p->cip));
+ printf(" yip:%08X sip:%08X gip:%08X",
+ ntohl(p->yip), ntohl(p->sip), ntohl(p->gip));
+ printf(" caddr-%02X:%02X:%02X:%02X:%02X:%02X\n", p->CAddr[0],
+ p->CAddr[1], p->CAddr[2], p->CAddr[3], p->CAddr[4], p->CAddr[5]);
+ printf(" sName: '%s'\n", p->Sname);
+ printf(" bootfile: '%s'\n", p->bootfile);
+ print_pxe_vendor_blk(p, len);
+}
+
+void print_dhcp_pkt_all(void)
+{
+ pxe_bootp_t *p;
+ size_t len;
+ int i;
+ int ptype[3] = {PXENV_PACKET_TYPE_DHCP_DISCOVER, PXENV_PACKET_TYPE_DHCP_ACK, PXENV_PACKET_TYPE_CACHED_REPLY};
+
+ for (i = 0; i < 3; i++) {
+ if (!pxe_get_cached_info(ptype[i],
+ (void **)&(p), &(len))) {
+ dprintf("Got packet #%d/%d\n", (i + 1), ptype[i]);
+ print_pxe_bootp_t(p, len);
+ pressanykey();
+ }
+ }
+}
+
+int main(void)
+{
+ int rv= -1;
+ const struct syslinux_version *sv;
+
+ console_ansi_raw();
+ sv = syslinux_version();
+ if (sv->filesystem != SYSLINUX_FS_PXELINUX) {
+ printf("%s: May only run in PXELINUX\n", app_name_str);
+ return -2;
+ }
+ print_dhcp_pkt_all();
+ return rv;
+}
diff --git a/com32/modules/pxechn.c b/com32/modules/pxechn.c
index 3f9ebd32..26376900 100644
--- a/com32/modules/pxechn.c
+++ b/com32/modules/pxechn.c
@@ -43,7 +43,11 @@
#include <limits.h>
-#define PXECHN_DEBUG 1
+#ifdef DEBUG
+# define PXECHN_DEBUG 1
+#else
+# define PXECHN_DEBUG 0
+#endif
typedef union {
uint64_t q;
@@ -54,15 +58,21 @@ typedef union {
#define dprintf0(f, ...) ((void)0)
+#ifndef dprintf
+# if (PXECHN_DEBUG > 0)
+# define dprintf printf
+# else
+# define dprintf(f, ...) ((void)0)
+# endif
+#endif
+
#if (PXECHN_DEBUG > 0)
# define dpressanykey pressanykey
-# define dprintf printf
# define dprint_pxe_bootp_t print_pxe_bootp_t
# define dprint_pxe_vendor_blk print_pxe_vendor_blk
# define dprint_pxe_vendor_raw print_pxe_vendor_raw
#else
# define dpressanykey(tm) ((void)0)
-# define dprintf(f, ...) ((void)0)
# define dprint_pxe_bootp_t(p, l) ((void)0)
# define dprint_pxe_vendor_blk(p, l) ((void)0)
# define dprint_pxe_vendor_raw(p, l) ((void)0)
@@ -107,6 +117,7 @@ struct pxelinux_opt {
uint32_t force;
uint32_t wait; /* Additional decision to wait before boot */
int32_t wds; /* WDS option/level */
+ in_addr_t sip; /* siaddr: Next Server IP Address */
struct dhcp_option p[PXECHN_NUM_PKT_AVAIL];
/* original _DHCP_DISCOVER, _DHCP_ACK, _CACHED_REPLY then modified packets */
char host[PXECHN_HOST_LEN];
@@ -453,6 +464,7 @@ void pxechn_init(struct pxelinux_opt *pxe)
pxe->wait = 0;
pxe->gip = 0;
pxe->wds = 0;
+ pxe->sip = 0;
pxe->host[0] = 0;
pxe->host[((NUM_DHCP_OPTS) - 1)] = 0;
for (int j = 0; j < PXECHN_NUM_PKT_TYPE; j++){
@@ -731,7 +743,7 @@ int pxechn_parse_args(int argc, char *argv[], struct pxelinux_opt *pxe,
{
int arg, optnum, rv = 0;
char *p = NULL;
- const char optstr[] = "c:f:g:o:p:t:uwW";
+ const char optstr[] = "c:f:g:o:p:St:uwW";
struct dhcp_option iopt;
if (pxe->p[5].data)
@@ -765,6 +777,9 @@ int pxechn_parse_args(int argc, char *argv[], struct pxelinux_opt *pxe,
case 'p': /* prefix */
pxechn_setopt_str(&(opts[210]), optarg);
break;
+ case 'S': /* sip from sName */
+ pxe->sip = 1;
+ break;
case 't': /* timeout */
optnum = strtoul(optarg, &p, 0);
if (p != optarg) {
@@ -809,6 +824,7 @@ int pxechn_args(int argc, char *argv[], struct pxelinux_opt *pxe)
pxe_bootp_t *bootp0, *bootp1;
int ret = 0;
struct dhcp_option *opts;
+ char *str;
opts = pxe->opts[2];
/* Start filling packet #1 */
@@ -826,7 +842,30 @@ int pxechn_args(int argc, char *argv[], struct pxelinux_opt *pxe)
ret = pxechn_parse_args(argc, argv, pxe, opts);
if (ret)
return ret;
- bootp1->sip = pxe->fip;
+ if (pxe->sip > 0xFFFFFF) { /* a real IPv4 address */
+ bootp1->sip = pxe->sip;
+ } else if ((pxe->sip == 1)
+ && (opts[66].len > 0)){
+ /* unterminated? */
+ if (strnlen(opts[66].data, opts[66].len) == (size_t)opts[66].len) {
+ str = malloc(opts[66].len + 1);
+ if (str) {
+ memcpy(str, opts[66].data, opts[66].len);
+ str[opts[66].len] = 0;
+ }
+ } else {
+ str = opts[66].data;
+ }
+ if (str) {
+ bootp1->sip = pxe_dns(str);
+ if (str != opts[66].data)
+ free(str);
+ } else {
+ bootp1->sip = pxe->fip;
+ }
+ } else {
+ bootp1->sip = pxe->fip;
+ }
bootp1->gip = pxe->gip;
ret = dhcp_pack_packet(bootp1, (size_t *)&(pxe->p[5].len), opts);