1 files changed, 0 insertions, 393 deletions
diff --git a/networking/udhcp/files.c b/networking/udhcp/files.c
deleted file mode 100644
index fe853c7cc..000000000
--- a/networking/udhcp/files.c
+++ /dev/null
@@ -1,393 +0,0 @@
-/*
- * files.c -- DHCP server file manipulation *
- * Rewrite by Russ Dill <Russ.Dill@asu.edu> July 2001
- */
-
-#include <sys/socket.h>
-#include <arpa/inet.h>
-#include <string.h>
-#include <stdlib.h>
-#include <time.h>
-#include <ctype.h>
-#include <netdb.h>
-
-#include <netinet/ether.h>
-#include "static_leases.h"
-
-#include "dhcpd.h"
-#include "options.h"
-#include "files.h"
-#include "common.h"
-
-/*
- * Domain names may have 254 chars, and string options can be 254
- * chars long. However, 80 bytes will be enough for most, and won't
- * hog up memory. If you have a special application, change it
- */
-#define READ_CONFIG_BUF_SIZE 80
-
-/* on these functions, make sure you datatype matches */
-static int read_ip(const char *line, void *arg)
-{
-	struct in_addr *addr = arg;
-	struct hostent *host;
-	int retval = 1;
-
-	if (!inet_aton(line, addr)) {
-		if ((host = gethostbyname(line)))
-			addr->s_addr = *((unsigned long *) host->h_addr_list[0]);
-		else retval = 0;
-	}
-	return retval;
-}
-
-static int read_mac(const char *line, void *arg)
-{
-	uint8_t *mac_bytes = arg;
-	struct ether_addr *temp_ether_addr;
-	int retval = 1;
-
-	temp_ether_addr = ether_aton(line);
-
-	if(temp_ether_addr == NULL)
-		retval = 0;
-	else
-		memcpy(mac_bytes, temp_ether_addr, 6);
-
-	return retval;
-}
-
-
-static int read_str(const char *line, void *arg)
-{
-	char **dest = arg;
-
-	free(*dest);
-	*dest = strdup(line);
-
-	return 1;
-}
-
-
-static int read_u32(const char *line, void *arg)
-{
-	uint32_t *dest = arg;
-	char *endptr;
-	*dest = strtoul(line, &endptr, 0);
-	return endptr[0] == '\0';
-}
-
-
-static int read_yn(const char *line, void *arg)
-{
-	char *dest = arg;
-	int retval = 1;
-
-	if (!strcasecmp("yes", line))
-		*dest = 1;
-	else if (!strcasecmp("no", line))
-		*dest = 0;
-	else retval = 0;
-
-	return retval;
-}
-
-
-/* find option 'code' in opt_list */
-struct option_set *find_option(struct option_set *opt_list, char code)
-{
-	while (opt_list && opt_list->data[OPT_CODE] < code)
-		opt_list = opt_list->next;
-
-	if (opt_list && opt_list->data[OPT_CODE] == code) return opt_list;
-	else return NULL;
-}
-
-
-/* add an option to the opt_list */
-static void attach_option(struct option_set **opt_list, struct dhcp_option *option, char *buffer, int length)
-{
-	struct option_set *existing, *new, **curr;
-
-	/* add it to an existing option */
-	if ((existing = find_option(*opt_list, option->code))) {
-		DEBUG(LOG_INFO, "Attaching option %s to existing member of list", option->name);
-		if (option->flags & OPTION_LIST) {
-			if (existing->data[OPT_LEN] + length <= 255) {
-				existing->data = realloc(existing->data,
-						existing->data[OPT_LEN] + length + 2);
-				memcpy(existing->data + existing->data[OPT_LEN] + 2, buffer, length);
-				existing->data[OPT_LEN] += length;
-			} /* else, ignore the data, we could put this in a second option in the future */
-		} /* else, ignore the new data */
-	} else {
-		DEBUG(LOG_INFO, "Attaching option %s to list", option->name);
-
-		/* make a new option */
-		new = xmalloc(sizeof(struct option_set));
-		new->data = xmalloc(length + 2);
-		new->data[OPT_CODE] = option->code;
-		new->data[OPT_LEN] = length;
-		memcpy(new->data + 2, buffer, length);
-
-		curr = opt_list;
-		while (*curr && (*curr)->data[OPT_CODE] < option->code)
-			curr = &(*curr)->next;
-
-		new->next = *curr;
-		*curr = new;
-	}
-}
-
-
-/* read a dhcp option and add it to opt_list */
-static int read_opt(const char *const_line, void *arg)
-{
-	struct option_set **opt_list = arg;
-	char *opt, *val, *endptr;
-	struct dhcp_option *option;
-	int retval = 0, length;
-	char buffer[8];
-	char *line;
-	uint16_t *result_u16 = (uint16_t *) buffer;
-	uint32_t *result_u32 = (uint32_t *) buffer;
-
-	/* Cheat, the only const line we'll actually get is "" */
-	line = (char *) const_line;
-	if (!(opt = strtok(line, " \t="))) return 0;
-
-	for (option = dhcp_options; option->code; option++)
-		if (!strcasecmp(option->name, opt))
-			break;
-
-	if (!option->code) return 0;
-
-	do {
-		if (!(val = strtok(NULL, ", \t"))) break;
-		length = option_lengths[option->flags & TYPE_MASK];
-		retval = 0;
-		opt = buffer; /* new meaning for variable opt */
-		switch (option->flags & TYPE_MASK) {
-		case OPTION_IP:
-			retval = read_ip(val, buffer);
-			break;
-		case OPTION_IP_PAIR:
-			retval = read_ip(val, buffer);
-			if (!(val = strtok(NULL, ", \t/-"))) retval = 0;
-			if (retval) retval = read_ip(val, buffer + 4);
-			break;
-		case OPTION_STRING:
-			length = strlen(val);
-			if (length > 0) {
-				if (length > 254) length = 254;
-				opt = val;
-				retval = 1;
-			}
-			break;
-		case OPTION_BOOLEAN:
-			retval = read_yn(val, buffer);
-			break;
-		case OPTION_U8:
-			buffer[0] = strtoul(val, &endptr, 0);
-			retval = (endptr[0] == '\0');
-			break;
-		case OPTION_U16:
-			*result_u16 = htons(strtoul(val, &endptr, 0));
-			retval = (endptr[0] == '\0');
-			break;
-		case OPTION_S16:
-			*result_u16 = htons(strtol(val, &endptr, 0));
-			retval = (endptr[0] == '\0');
-			break;
-		case OPTION_U32:
-			*result_u32 = htonl(strtoul(val, &endptr, 0));
-			retval = (endptr[0] == '\0');
-			break;
-		case OPTION_S32:
-			*result_u32 = htonl(strtol(val, &endptr, 0));
-			retval = (endptr[0] == '\0');
-			break;
-		default:
-			break;
-		}
-		if (retval)
-			attach_option(opt_list, option, opt, length);
-	} while (retval && option->flags & OPTION_LIST);
-	return retval;
-}
-
-static int read_staticlease(const char *const_line, void *arg)
-{
-
-	char *line;
-	char *mac_string;
-	char *ip_string;
-	uint8_t *mac_bytes;
-	uint32_t *ip;
-
-
-	/* Allocate memory for addresses */
-	mac_bytes = xmalloc(sizeof(unsigned char) * 8);
-	ip = xmalloc(sizeof(uint32_t));
-
-	/* Read mac */
-	line = (char *) const_line;
-	mac_string = strtok(line, " \t");
-	read_mac(mac_string, mac_bytes);
-
-	/* Read ip */
-	ip_string = strtok(NULL, " \t");
-	read_ip(ip_string, ip);
-
-	addStaticLease(arg, mac_bytes, ip);
-
-#ifdef UDHCP_DEBUG
-	printStaticLeases(arg);
-#endif
-
-	return 1;
-
-}
-
-
-static const struct config_keyword keywords[] = {
-	/* keyword	handler   variable address		default */
-	{"start",	read_ip,  &(server_config.start),	"192.168.0.20"},
-	{"end",		read_ip,  &(server_config.end),		"192.168.0.254"},
-	{"interface",	read_str, &(server_config.interface),	"eth0"},
-	{"option",	read_opt, &(server_config.options),	""},
-	{"opt",		read_opt, &(server_config.options),	""},
-	{"max_leases",	read_u32, &(server_config.max_leases),	"254"},
-	{"remaining",	read_yn,  &(server_config.remaining),	"yes"},
-	{"auto_time",	read_u32, &(server_config.auto_time),	"7200"},
-	{"decline_time",read_u32, &(server_config.decline_time),"3600"},
-	{"conflict_time",read_u32,&(server_config.conflict_time),"3600"},
-	{"offer_time",	read_u32, &(server_config.offer_time),	"60"},
-	{"min_lease",	read_u32, &(server_config.min_lease),	"60"},
-	{"lease_file",	read_str, &(server_config.lease_file),	LEASES_FILE},
-	{"pidfile",	read_str, &(server_config.pidfile),	"/var/run/udhcpd.pid"},
-	{"notify_file", read_str, &(server_config.notify_file),	""},
-	{"siaddr",	read_ip,  &(server_config.siaddr),	"0.0.0.0"},
-	{"sname",	read_str, &(server_config.sname),	""},
-	{"boot_file",	read_str, &(server_config.boot_file),	""},
-	{"static_lease",read_staticlease, &(server_config.static_leases),	""},
-	/*ADDME: static lease */
-	{"",		NULL,	  NULL,				""}
-};
-
-
-int read_config(const char *file)
-{
-	FILE *in;
-	char buffer[READ_CONFIG_BUF_SIZE], *token, *line;
-#ifdef UDHCP_DEBUG
-	char orig[READ_CONFIG_BUF_SIZE];
-#endif
-	int i, lm = 0;
-
-	for (i = 0; keywords[i].keyword[0]; i++)
-		if (keywords[i].def[0])
-			keywords[i].handler(keywords[i].def, keywords[i].var);
-
-	if (!(in = fopen(file, "r"))) {
-		LOG(LOG_ERR, "unable to open config file: %s", file);
-		return 0;
-	}
-
-	while (fgets(buffer, READ_CONFIG_BUF_SIZE, in)) {
-		lm++;
-		if (strchr(buffer, '\n')) *(strchr(buffer, '\n')) = '\0';
-#ifdef UDHCP_DEBUG
-		strcpy(orig, buffer);
-#endif
-		if (strchr(buffer, '#')) *(strchr(buffer, '#')) = '\0';
-
-		if (!(token = strtok(buffer, " \t"))) continue;
-		if (!(line = strtok(NULL, ""))) continue;
-
-		/* eat leading whitespace */
-		line = line + strspn(line, " \t=");
-		/* eat trailing whitespace */
-		for (i = strlen(line); i > 0 && isspace(line[i - 1]); i--);
-		line[i] = '\0';
-
-		for (i = 0; keywords[i].keyword[0]; i++)
-			if (!strcasecmp(token, keywords[i].keyword))
-				if (!keywords[i].handler(line, keywords[i].var)) {
-					LOG(LOG_ERR, "Failure parsing line %d of %s", lm, file);
-					DEBUG(LOG_ERR, "unable to parse '%s'", orig);
-					/* reset back to the default value */
-					keywords[i].handler(keywords[i].def, keywords[i].var);
-				}
-	}
-	fclose(in);
-	return 1;
-}
-
-
-void write_leases(void)
-{
-	FILE *fp;
-	unsigned int i;
-	char buf[255];
-	time_t curr = time(0);
-	unsigned long tmp_time;
-
-	if (!(fp = fopen(server_config.lease_file, "w"))) {
-		LOG(LOG_ERR, "Unable to open %s for writing", server_config.lease_file);
-		return;
-	}
-
-	for (i = 0; i < server_config.max_leases; i++) {
-		if (leases[i].yiaddr != 0) {
-
-			/* screw with the time in the struct, for easier writing */
-			tmp_time = leases[i].expires;
-
-			if (server_config.remaining) {
-				if (lease_expired(&(leases[i])))
-					leases[i].expires = 0;
-				else leases[i].expires -= curr;
-			} /* else stick with the time we got */
-			leases[i].expires = htonl(leases[i].expires);
-			fwrite(&leases[i], sizeof(struct dhcpOfferedAddr), 1, fp);
-
-			/* Then restore it when done. */
-			leases[i].expires = tmp_time;
-		}
-	}
-	fclose(fp);
-
-	if (server_config.notify_file) {
-		sprintf(buf, "%s %s", server_config.notify_file, server_config.lease_file);
-		system(buf);
-	}
-}
-
-
-void read_leases(const char *file)
-{
-	FILE *fp;
-	unsigned int i = 0;
-	struct dhcpOfferedAddr lease;
-
-	if (!(fp = fopen(file, "r"))) {
-		LOG(LOG_ERR, "Unable to open %s for reading", file);
-		return;
-	}
-
-	while (i < server_config.max_leases && (fread(&lease, sizeof lease, 1, fp) == 1)) {
-		/* ADDME: is it a static lease */
-		if (lease.yiaddr >= server_config.start && lease.yiaddr <= server_config.end) {
-			lease.expires = ntohl(lease.expires);
-			if (!server_config.remaining) lease.expires -= time(0);
-			if (!(add_lease(lease.chaddr, lease.yiaddr, lease.expires))) {
-				LOG(LOG_WARNING, "Too many leases while loading %s\n", file);
-				break;
-			}
-			i++;
-		}
-	}
-	DEBUG(LOG_INFO, "Read %d leases", i);
-	fclose(fp);
-}