remove in place of external link

1 files changed, 0 insertions, 172 deletions

diff --git a/networking/udhcp/options.c b/networking/udhcp/options.c
deleted file mode 100644
index d394b4c39..000000000
--- a/networking/udhcp/options.c
+++ /dev/null
@@ -1,172 +0,0 @@
-/*
- * options.c -- DHCP server option packet tools
- * Rewrite by Russ Dill <Russ.Dill@asu.edu> July 2001
- */
-
-#include <stdlib.h>
-#include <string.h>
-
-#include "common.h"
-#include "dhcpd.h"
-#include "options.h"
-#include "files.h"
-
-
-/* supported options are easily added here */
-struct dhcp_option dhcp_options[] = {
-	/* name[10]	flags					code */
-	{"subnet",	OPTION_IP | OPTION_REQ,			0x01},
-	{"timezone",	OPTION_S32,				0x02},
-	{"router",	OPTION_IP | OPTION_LIST | OPTION_REQ,	0x03},
-	{"timesvr",	OPTION_IP | OPTION_LIST,		0x04},
-	{"namesvr",	OPTION_IP | OPTION_LIST,		0x05},
-	{"dns",		OPTION_IP | OPTION_LIST | OPTION_REQ,	0x06},
-	{"logsvr",	OPTION_IP | OPTION_LIST,		0x07},
-	{"cookiesvr",	OPTION_IP | OPTION_LIST,		0x08},
-	{"lprsvr",	OPTION_IP | OPTION_LIST,		0x09},
-	{"hostname",	OPTION_STRING | OPTION_REQ,		0x0c},
-	{"bootsize",	OPTION_U16,				0x0d},
-	{"domain",	OPTION_STRING | OPTION_REQ,		0x0f},
-	{"swapsvr",	OPTION_IP,				0x10},
-	{"rootpath",	OPTION_STRING,				0x11},
-	{"ipttl",	OPTION_U8,				0x17},
-	{"mtu",		OPTION_U16,				0x1a},
-	{"broadcast",	OPTION_IP | OPTION_REQ,			0x1c},
-	{"nisdomain",	OPTION_STRING | OPTION_REQ,		0x28},
-	{"nissrv",	OPTION_IP | OPTION_LIST | OPTION_REQ,	0x29},
-	{"ntpsrv",	OPTION_IP | OPTION_LIST | OPTION_REQ,	0x2a},
-	{"wins",	OPTION_IP | OPTION_LIST,		0x2c},
-	{"requestip",	OPTION_IP,				0x32},
-	{"lease",	OPTION_U32,				0x33},
-	{"dhcptype",	OPTION_U8,				0x35},
-	{"serverid",	OPTION_IP,				0x36},
-	{"message",	OPTION_STRING,				0x38},
-	{"tftp",	OPTION_STRING,				0x42},
-	{"bootfile",	OPTION_STRING,				0x43},
-	{"",		0x00,				0x00}
-};
-
-/* Lengths of the different option types */
-int option_lengths[] = {
-	[OPTION_IP] =		4,
-	[OPTION_IP_PAIR] =	8,
-	[OPTION_BOOLEAN] =	1,
-	[OPTION_STRING] =	1,
-	[OPTION_U8] =		1,
-	[OPTION_U16] =		2,
-	[OPTION_S16] =		2,
-	[OPTION_U32] =		4,
-	[OPTION_S32] =		4
-};
-
-
-/* get an option with bounds checking (warning, not aligned). */
-uint8_t *get_option(struct dhcpMessage *packet, int code)
-{
-	int i, length;
-	uint8_t *optionptr;
-	int over = 0, done = 0, curr = OPTION_FIELD;
-
-	optionptr = packet->options;
-	i = 0;
-	length = 308;
-	while (!done) {
-		if (i >= length) {
-			LOG(LOG_WARNING, "bogus packet, option fields too long.");
-			return NULL;
-		}
-		if (optionptr[i + OPT_CODE] == code) {
-			if (i + 1 + optionptr[i + OPT_LEN] >= length) {
-				LOG(LOG_WARNING, "bogus packet, option fields too long.");
-				return NULL;
-			}
-			return optionptr + i + 2;
-		}
-		switch (optionptr[i + OPT_CODE]) {
-		case DHCP_PADDING:
-			i++;
-			break;
-		case DHCP_OPTION_OVER:
-			if (i + 1 + optionptr[i + OPT_LEN] >= length) {
-				LOG(LOG_WARNING, "bogus packet, option fields too long.");
-				return NULL;
-			}
-			over = optionptr[i + 3];
-			i += optionptr[OPT_LEN] + 2;
-			break;
-		case DHCP_END:
-			if (curr == OPTION_FIELD && over & FILE_FIELD) {
-				optionptr = packet->file;
-				i = 0;
-				length = 128;
-				curr = FILE_FIELD;
-			} else if (curr == FILE_FIELD && over & SNAME_FIELD) {
-				optionptr = packet->sname;
-				i = 0;
-				length = 64;
-				curr = SNAME_FIELD;
-			} else done = 1;
-			break;
-		default:
-			i += optionptr[OPT_LEN + i] + 2;
-		}
-	}
-	return NULL;
-}
-
-
-/* return the position of the 'end' option (no bounds checking) */
-int end_option(uint8_t *optionptr)
-{
-	int i = 0;
-
-	while (optionptr[i] != DHCP_END) {
-		if (optionptr[i] == DHCP_PADDING) i++;
-		else i += optionptr[i + OPT_LEN] + 2;
-	}
-	return i;
-}
-
-
-/* add an option string to the options (an option string contains an option code,
- * length, then data) */
-int add_option_string(uint8_t *optionptr, uint8_t *string)
-{
-	int end = end_option(optionptr);
-
-	/* end position + string length + option code/length + end option */
-	if (end + string[OPT_LEN] + 2 + 1 >= 308) {
-		LOG(LOG_ERR, "Option 0x%02x did not fit into the packet!", string[OPT_CODE]);
-		return 0;
-	}
-	DEBUG(LOG_INFO, "adding option 0x%02x", string[OPT_CODE]);
-	memcpy(optionptr + end, string, string[OPT_LEN] + 2);
-	optionptr[end + string[OPT_LEN] + 2] = DHCP_END;
-	return string[OPT_LEN] + 2;
-}
-
-
-/* add a one to four byte option to a packet */
-int add_simple_option(uint8_t *optionptr, uint8_t code, uint32_t data)
-{
-	struct dhcp_option *dh;
-
-	for (dh=dhcp_options; dh->code; dh++) {
-		if (dh->code == code) {
-			uint8_t option[6], len;
-
-			option[OPT_CODE] = code;
-			len = option_lengths[dh->flags & TYPE_MASK];
-			option[OPT_LEN] = len;
-			if (__BYTE_ORDER == __BIG_ENDIAN)
-				data <<= 8 * (4 - len);
-			/* This memcpy is for broken processors which can't
-			 * handle a simple unaligned 32-bit assignment */
-			memcpy(&option[OPT_DATA], &data, 4);
-			return add_option_string(optionptr, option);
-		}
-	}
-
-	DEBUG(LOG_ERR, "Could not add option 0x%02x", code);
-	return 0;
-}