Thread: [Dhcp-agent-commits] CVS: dhcp-agent COST,1.1.1.1,1.2 dhcp-agent.h,1.16,1.17 dhcp-convert.c,1.3,1.4
Status: Alpha
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dhcp-agent-commits
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From: Thamer Al-H. <act...@us...> - 2002-02-05 02:01:02
|
Update of /cvsroot/dhcp-agent/dhcp-agent
In directory usw-pr-cvs1:/tmp/cvs-serv25780
Modified Files:
COST dhcp-agent.h dhcp-convert.c dhcp-util.c
Log Message:
major update to dhcp-convert; now with all options we care about converted;
Index: COST
===================================================================
RCS file: /cvsroot/dhcp-agent/dhcp-agent/COST,v
retrieving revision 1.1.1.1
retrieving revision 1.2
diff -C2 -d -r1.1.1.1 -r1.2
*** COST 2002/01/29 18:04:59 1.1.1.1
--- COST 2002/02/05 02:00:59 1.2
***************
*** 1,5 ****
In writing dhcp-agent I suffered the following:
! [ these stats are updated every major release. ]
162 pots of coffee; 421 camel filter cigarettes; 112 diet cokes;
--- 1,9 ----
In writing dhcp-agent I suffered the following:
! Feb - March 2001
!
! [ todo ]
!
! Jan - Feb 2001
162 pots of coffee; 421 camel filter cigarettes; 112 diet cokes;
Index: dhcp-agent.h
===================================================================
RCS file: /cvsroot/dhcp-agent/dhcp-agent/dhcp-agent.h,v
retrieving revision 1.16
retrieving revision 1.17
diff -C2 -d -r1.16 -r1.17
*** dhcp-agent.h 2002/02/03 16:55:59 1.16
--- dhcp-agent.h 2002/02/05 02:00:59 1.17
***************
*** 123,127 ****
/* type string limits. */
! # define UINT32_T_STRING_SIZE 12
/* timeout as per rfc2131 */
--- 123,131 ----
/* type string limits. */
! # define UINT32_T_STRING_SIZE 11
! # define INT32_T_STRING_SIZE UINT32_T_STRING_SIZE /* the same. */
! # define UINT16_T_STRING_SIZE 6
! # define INT16_T_STRING_SIZE UINT16_T_STRING_SIZE
! # define BYTE_STRING_SIZE 5
/* timeout as per rfc2131 */
***************
*** 508,511 ****
--- 512,516 ----
extern void trim_string(char *s);
extern int string_matches(char *s1, char *s2);
+ extern int hex_string_to_value(char *string, unsigned char *dst);
extern int is_string(const char *string, int len);
extern int get_random(void);
***************
*** 785,804 ****
extern int get_pid_file(char *name, pid_t *pid);
- /* serialization functions. */
-
- extern char *addr_to_string(const unsigned char *data, int len);
- extern char *addr_list_to_string(const unsigned char *data, int len);
- extern void *string_to_addr_list(char *string);
- extern void *string_to_addr(char *string);
- extern void *string_addr_list_to_network(char *string, unsigned char *len_ret);
- extern void *string_addr_to_network(char *string, unsigned char *len_ret);
- extern char *uint32_to_string(const unsigned char *data, int len);
- extern void *string_to_uint32(char *s);
- extern void *string_uint32_to_network(char *s, unsigned char *len_ret);
- extern char *validate_to_string(const unsigned char *data, int len);
- extern void *string_uint32_to_network(char *s, unsigned char *len_ret);
- extern void *strdup_wrap(char *s);
- extern void *strdup_wrap_net(char *s, unsigned char *ret_len);
- extern int hex_string_to_value(char *string, unsigned char *dst);
/* System configuration routines. */
--- 790,793 ----
Index: dhcp-convert.c
===================================================================
RCS file: /cvsroot/dhcp-agent/dhcp-agent/dhcp-convert.c,v
retrieving revision 1.3
retrieving revision 1.4
diff -C2 -d -r1.3 -r1.4
*** dhcp-convert.c 2002/01/30 16:06:46 1.3
--- dhcp-convert.c 2002/02/05 02:00:59 1.4
***************
*** 34,139 ****
/* We have four handlers:
*
! * Serialize data handler: serializes from network form to serialized state.
! * Unserialize data handler: unserializes into internal form.
! * Convert serialized: converts to a type specific form --
! * useful for internal usage.
*
*/
option_convert_handler option_convert_handlers[] = {
! { NULL, NULL, NULL, NULL }, /* 0 */
! { addr_to_string, string_to_addr, string_addr_to_network,
! xfree }, /* 1 */
! { NULL, NULL, NULL, NULL }, /* 2 */
! { addr_list_to_string, string_to_addr_list,
! string_addr_list_to_network, purge_list_internal }, /* 3 */
! { NULL, NULL, NULL, NULL }, /* 4 */
! { NULL, NULL, NULL, NULL }, /* 5 */
! { addr_list_to_string, string_to_addr_list,
! string_addr_list_to_network, purge_list_internal }, /* 6 */
! { NULL, NULL, NULL, NULL }, /* 7 */
! { NULL, NULL, NULL, NULL }, /* 8 */
! { NULL, NULL, NULL, NULL }, /* 9 */
! { NULL, NULL, NULL, NULL }, /* 10 */
! { NULL, NULL, NULL, NULL }, /* 11 */
! { NULL, NULL, NULL, NULL }, /* 12 */
! { NULL, NULL, NULL, NULL }, /* 13 */
! { NULL, NULL, NULL, NULL }, /* 14 */
! { validate_to_string, strdup_wrap, strdup_wrap_net,
! xfree }, /* 15 */
! { NULL, NULL, NULL, NULL }, /* 16 */
! { NULL, NULL, NULL, NULL }, /* 17 */
! { NULL, NULL, NULL, NULL }, /* 18 */
! { NULL, NULL, NULL, NULL }, /* 19 */
! { NULL, NULL, NULL, NULL }, /* 20 */
! { NULL, NULL, NULL, NULL }, /* 21 */
! { NULL, NULL, NULL, NULL }, /* 22 */
! { NULL, NULL, NULL, NULL }, /* 23 */
! { NULL, NULL, NULL, NULL }, /* 24 */
! { NULL, NULL, NULL, NULL }, /* 25 */
! { NULL, NULL, NULL, NULL }, /* 26 */
! { NULL, NULL, NULL, NULL }, /* 27 */
! { NULL, NULL, NULL, NULL }, /* 28 */
! { NULL, NULL, NULL, NULL }, /* 29 */
! { NULL, NULL, NULL, NULL }, /* 30 */
! { NULL, NULL, NULL, NULL }, /* 31 */
! { NULL, NULL, NULL, NULL }, /* 32 */
! { NULL, NULL, NULL, NULL }, /* 33 */
! { NULL, NULL, NULL, NULL }, /* 34 */
! { NULL, NULL, NULL, NULL }, /* 35 */
! { NULL, NULL, NULL, NULL }, /* 36 */
! { NULL, NULL, NULL, NULL }, /* 37 */
! { NULL, NULL, NULL, NULL }, /* 38 */
! { NULL, NULL, NULL, NULL }, /* 39 */
! { NULL, NULL, NULL, NULL }, /* 40 */
! { NULL, NULL, NULL, NULL }, /* 41 */
! { NULL, NULL, NULL, NULL }, /* 42 */
! { NULL, NULL, NULL, NULL }, /* 43 */
! { NULL, NULL, NULL, NULL }, /* 44 */
! { NULL, NULL, NULL, NULL }, /* 45 */
! { NULL, NULL, NULL, NULL }, /* 46 */
! { NULL, NULL, NULL, NULL }, /* 47 */
! { NULL, NULL, NULL, NULL }, /* 48 */
! { NULL, NULL, NULL, NULL }, /* 49 */
! { addr_to_string, string_to_addr,
! string_addr_to_network, xfree }, /* 50 */
! { uint32_to_string, string_to_uint32,
! string_uint32_to_network, xfree }, /* 51 */
! { NULL, NULL, NULL, NULL }, /* 52 */
! { NULL, NULL, NULL, NULL }, /* 53 */
! { addr_to_string, string_to_addr,
! string_addr_to_network, xfree }, /* 54 */
! { NULL, NULL, NULL, NULL }, /* 55 */
! { NULL, NULL, NULL, NULL }, /* 56 */
! { NULL, NULL, NULL, NULL }, /* 57 */
! { uint32_to_string, string_to_uint32,
! string_uint32_to_network, xfree }, /* 58 */
! { NULL, NULL, NULL, NULL }, /* 59 */
! { NULL, NULL, NULL, NULL }, /* 60 */
! { NULL, NULL, NULL, NULL }, /* 61 */
};
! char *addr_to_string(const unsigned char *data, int len)
{
! struct in_addr address;
! memcpy(&address.s_addr, data, 4);
! if(len < 4)
return NULL;
return(strdup(inet_ntoa(address)));
}
! char *addr_list_to_string(const unsigned char *data, int len)
{
char *string;
char *tmp, *new_string;
! if(len < 4)
return NULL;
! string = addr_to_string(data, len);
if(string == NULL)
return NULL;
--- 34,285 ----
/* We have four handlers:
+ *
+ * Network to serialized: take a datum in raw network format and
+ * serialize into serial datum.
+ *
+ * Serial to internal: take a serial and convert it to internal
+ * format.
+ *
+ * Serial to network: take a serial datum and turn it into a raw
+ * network datum.
+ *
+ * Free internal: special freeing routine used for internal datum.
+ * This is used so we can pass around internal datums elsewhere without
+ * having to understand them.
*
! * All network to serialized handlers do validity checks for length
! * matching exact sizes or multiples of sizes. This is where we expect
! * malformed options to be stomped on.
*
*/
+ /* serialization functions. */
+
+ /* byte routines. */
+
+ char *network_byte_to_string_byte(const unsigned char *data, int len);
+ void *string_byte_to_byte(char *s);
+ void *string_byte_to_network(char *s, unsigned char *ret_len);
+
+ /* address routines. */
+
+ char *network_addr_to_string(const unsigned char *data, int len);
+ char *network_addr_list_to_string(const unsigned char *data, int len);
+ char *addr_list_to_string(const unsigned char *data, int len);
+ void *string_to_addr_list(char *string);
+ void *string_to_addr(char *string);
+ void *string_addr_list_to_network(char *string, unsigned char *len_ret);
+ void *string_addr_to_network(char *string, unsigned char *len_ret);
+ char *network_addr_pair_list_to_string(const unsigned char *data, int len);
+ void *string_to_addr_pair_list(char *s);
+ void *string_addr_pair_list_to_network(char *s, unsigned char *retlen);
+
+ /* integer routines. */
+
+ char *network_uint32_to_string(const unsigned char *data, int len);
+ char *network_int32_to_string(const unsigned char *data, int len);
+ char *network_uint16_to_string(const unsigned char *data, int len);
+ char *network_int16_to_string(const unsigned char *data, int len);
+
+ void *string_to_uint32(char *s);
+ void *string_to_int32(char *s);
+ void *string_to_uint16(char *s);
+ void *string_to_int16(char *s);
+
+ void *string_int32_to_network(char *s, unsigned char *ret_len);
+ void *string_uint32_to_network(char *s, unsigned char *ret_len);
+ void *string_int16_to_network(char *s, unsigned char *ret_len);
+ void *string_uint16_to_network(char *s, unsigned char *ret_len);
+
+ char *network_uint16_list_to_string(const unsigned char *data, int len);
+ void *string_to_uint16_list(char *s);
+ void *string_uint16_list_to_network(char *s, unsigned char *retlen);
+
+ /* network to string */
+
+ char *validate_network_string_to_string(const unsigned char *data, int len);
+ void *strdup_wrap(char *s);
+ void *strdup_wrap_net(char *s, unsigned char *ret_len);
+
option_convert_handler option_convert_handlers[] = {
! { NULL, NULL, NULL, NULL }, /* 0 */ /* pad */
! { network_addr_to_string, string_to_addr, string_addr_to_network,
! xfree }, /* 1 */ /* subnet mask */
! { network_int32_to_string, string_to_int32,
! string_int32_to_network, xfree }, /* 2 */ /* time offset */
! { network_addr_list_to_string, string_to_addr_list,
! string_addr_list_to_network, purge_list_internal }, /* 3 */ /* router. */
! { network_addr_list_to_string, string_to_addr_list,
! string_addr_list_to_network, purge_list_internal }, /* 4 */ /* time server. */
! { network_addr_list_to_string, string_to_addr_list,
! string_addr_list_to_network, purge_list_internal }, /* 5 */ /* name server. (old) */
! { network_addr_list_to_string, string_to_addr_list,
! string_addr_list_to_network, purge_list_internal }, /* 6 */ /* domain name servers. */
! { network_addr_list_to_string, string_to_addr_list,
! string_addr_list_to_network, purge_list_internal }, /* 7 */ /* mit-lcs log server */
! { network_addr_list_to_string, string_to_addr_list,
! string_addr_list_to_network, purge_list_internal }, /* 8 */ /* cookie server. */
! { network_addr_list_to_string, string_to_addr_list,
! string_addr_list_to_network, purge_list_internal }, /* 9 */ /* LPR server. */
! { network_addr_list_to_string, string_to_addr_list,
! string_addr_list_to_network, purge_list_internal }, /* 10 */ /* Impress server. */
! { network_addr_list_to_string, string_to_addr_list,
! string_addr_list_to_network, purge_list_internal }, /* 11 */ /* Resource Location Server. */
! { validate_network_string_to_string,
! strdup_wrap, strdup_wrap_net, xfree }, /* 12 */ /* Host name option. */
! { network_uint16_to_string, string_to_uint16,
! string_uint16_to_network, xfree }, /* 13 */ /* boot file size option */
! { validate_network_string_to_string,
! strdup_wrap, strdup_wrap_net, xfree }, /* 14 */ /* merit dump file */
! { validate_network_string_to_string, strdup_wrap, strdup_wrap_net,
! xfree }, /* 15 */ /* domain name */
! { network_addr_to_string, string_to_addr, string_addr_to_network,
! xfree }, /* 16 */ /* swap server */
! { validate_network_string_to_string, strdup_wrap, strdup_wrap_net,
! xfree }, /* 17 */ /* root path */
! { validate_network_string_to_string, strdup_wrap, strdup_wrap_net,
! xfree }, /* 18 */ /* extension path */
! { network_byte_to_string_byte, string_byte_to_byte,
! string_byte_to_network, xfree }, /* 19 */ /* IP forwarding. */
! { network_byte_to_string_byte, string_byte_to_byte,
! string_byte_to_network, xfree }, /* 20 */ /* Non Local Source Routing. */
! { network_addr_pair_list_to_string, string_to_addr_pair_list,
! string_addr_pair_list_to_network, purge_list_internal }, /* 21 */ /* Policy filter option. */
! { network_uint16_to_string, string_to_uint16,
! string_uint16_to_network, xfree }, /* 22 */ /* maximum dgram reassembly */
! { network_byte_to_string_byte, string_byte_to_byte,
! string_byte_to_network, xfree }, /* 23 */ /* IP TTL */
! { network_uint32_to_string, string_to_uint32,
! string_uint32_to_network, xfree }, /* 24 */ /* MTU Aging Timeout. */
! { network_uint16_list_to_string, string_to_uint16_list,
! string_uint16_list_to_network, purge_list_internal }, /* 25 */ /* MTU Plateau Table. */
! { network_uint16_to_string, string_to_uint16,
! string_uint16_to_network, xfree }, /* 26 */ /* Interface MTU. */
! { network_byte_to_string_byte, string_byte_to_byte,
! string_byte_to_network, xfree }, /* 27 */ /* Subnets are Local */
! { network_addr_to_string, string_to_addr, string_addr_to_network,
! xfree }, /* 28 */ /* Broadcast Address */
! { network_byte_to_string_byte, string_byte_to_byte,
! string_byte_to_network, xfree }, /* 29 */ /* Perform Mask Discovery */
! { network_byte_to_string_byte, string_byte_to_byte,
! string_byte_to_network, xfree }, /* 30 */ /* Mask Supplier */
! { network_byte_to_string_byte, string_byte_to_byte,
! string_byte_to_network, xfree }, /* 31 */ /* Perform Router Discovery */
! { network_addr_to_string, string_to_addr,
! string_addr_to_network, xfree }, /* 32 */ /* Router Solicitation Address */
! { network_addr_pair_list_to_string, string_to_addr_pair_list,
! string_addr_pair_list_to_network, purge_list_internal }, /* 33 */ /* Static Route */
! { network_byte_to_string_byte, string_byte_to_byte,
! string_byte_to_network, xfree }, /* 34 */ /* Trailer Encapsulation */
! { network_uint32_to_string, string_to_uint32,
! string_uint32_to_network, xfree }, /* 35 */ /* ARP Cache Timeout. */
! { network_byte_to_string_byte, string_byte_to_byte,
! string_byte_to_network, xfree }, /* 36 */ /* Ethernet Encapsulation */
! { network_byte_to_string_byte, string_byte_to_byte,
! string_byte_to_network, xfree }, /* 37 */ /* TCP Default TLL */
! { network_uint32_to_string, string_to_uint32,
! string_uint32_to_network, xfree }, /* 38 */ /* TCP Keepalive Interval */
! { network_byte_to_string_byte, string_byte_to_byte,
! string_byte_to_network, xfree }, /* 39 */ /* TCP Keepalive Garbage Option. */
! { validate_network_string_to_string, strdup_wrap,
! strdup_wrap_net, xfree }, /* 40 */ /* Network Information Service Domain */
! { network_addr_list_to_string, string_to_addr_list,
! string_addr_list_to_network, purge_list_internal }, /* 41 */ /* Network Information Servers */
! { network_addr_list_to_string, string_to_addr_list,
! string_addr_list_to_network, purge_list_internal }, /* 42 */ /* Network Time Protocol Servers. */
! { NULL, NULL, NULL, NULL }, /* 43 */ /* Vendor Specific (don't handle yet.) */
! { network_addr_list_to_string, string_to_addr_list,
! string_addr_list_to_network, purge_list_internal }, /* 44 */ /* NetBIOS over TCP/IP Name Server */
! { network_addr_list_to_string, string_to_addr_list,
! string_addr_list_to_network, purge_list_internal }, /* 45 */ /* NetBIOS over TCP/IP Name Server */
! { network_byte_to_string_byte, string_byte_to_byte,
! string_byte_to_network, xfree }, /* 46 */ /* NetBIOS over TCP/IP Node Type. */
! { validate_network_string_to_string,
! strdup_wrap, strdup_wrap_net, xfree }, /* 47 */ /* NetBIOS over TCP/IP Scope */
! { network_addr_list_to_string, string_to_addr_list,
! string_addr_list_to_network, purge_list_internal }, /* 48 */ /* X Windows System Font Server. */
! { network_addr_list_to_string, string_to_addr_list,
! string_addr_list_to_network, purge_list_internal }, /* 49 */ /* X Window System Display Manager. */
! { network_addr_to_string, string_to_addr,
! string_addr_to_network, xfree }, /* 50 */ /* Request IP Address. */
! { network_uint32_to_string, string_to_uint32,
! string_uint32_to_network, xfree }, /* 51 */ /* IP Address Lease Time */
! { network_byte_to_string_byte, string_byte_to_byte,
! string_byte_to_network, xfree }, /* 52 */ /* Option Overload. */
! { NULL, NULL, NULL, NULL }, /* 53 */ /* Dhcp Message Type. */
! { network_addr_to_string, string_to_addr,
! string_addr_to_network, xfree }, /* 54 */ /* Server Identifier. */
! { NULL, NULL, NULL, NULL }, /* 55 */ /* parameter request list. */
! { NULL, NULL, NULL, NULL }, /* 56 */ /* message. we handle this higher. */
! { network_uint16_list_to_string, string_to_uint16_list,
! string_uint16_list_to_network, purge_list_internal }, /* 57 */ /* Maximum DHCP message size. */
! { network_uint32_to_string, string_to_uint32,
! string_uint32_to_network, xfree }, /* 58 */ /* Renewal time. */
! { network_uint32_to_string, string_to_uint32,
! string_uint32_to_network, xfree }, /* 59 */ /* Rebinding time. */
! { NULL, NULL, NULL, NULL }, /* 60 */ /* Server identifier */
! { NULL, NULL, NULL, NULL }, /* 61 */ /* Client identifier */
};
! /* Byte conversions useful for flags, and 1/0 values. */
!
! /* network byte value to string byte value. */
! char *network_byte_to_string_byte(const unsigned char *data, int len)
{
! char *s;
! if(len < 1)
! return NULL;
! s = xmalloc(BYTE_STRING_SIZE);
! snprintf(s, BYTE_STRING_SIZE, "0x%hhx", *(unsigned char *)data);
!
! return s;
! }
!
! /* string to internal byte value. */
! void *string_byte_to_byte(char *s)
! {
! unsigned char *b;
!
! b = xmalloc(sizeof(unsigned char));
!
! sscanf(s,"0x%hhx",b);
!
! return b;
! }
!
! /* string to network byte value. */
! void *string_byte_to_network(char *s, unsigned char *ret_len)
! {
! *ret_len = 1;
! return(string_byte_to_byte);
! }
!
! /* IPv4 address conversion routines. */
!
! /* convert one network address datum to serialized form. */
! char *network_addr_to_string(const unsigned char *data, int len)
! {
! struct in_addr address;
!
! if(len < IP_ADDR_LEN)
return NULL;
+
+ memcpy(&address.s_addr, data, IP_ADDR_LEN);
return(strdup(inet_ntoa(address)));
}
! /* convert list of network address datums to serialized form. */
! char *network_addr_list_to_string(const unsigned char *data, int len)
{
char *string;
char *tmp, *new_string;
! if(len < IP_ADDR_LEN)
return NULL;
! string = network_addr_to_string(data, len);
if(string == NULL)
return NULL;
***************
*** 150,154 ****
tmp = string;
! new_string = addr_to_string(data, len);
if(new_string == NULL) {
--- 296,300 ----
tmp = string;
! new_string = network_addr_to_string(data, len);
if(new_string == NULL) {
***************
*** 163,167 ****
string = splice_string(string, new_string);
xfree(tmp);
!
tmp = string;
string = splice_string(string, ";");
--- 309,314 ----
string = splice_string(string, new_string);
xfree(tmp);
! xfree(new_string);
!
tmp = string;
string = splice_string(string, ";");
***************
*** 175,182 ****
}
void *string_to_addr(char *string)
{
uint32_t addr, *new_addr;
!
addr = inet_addr(string);
--- 322,330 ----
}
+ /* convert string address to internal address datum. */
void *string_to_addr(char *string)
{
uint32_t addr, *new_addr;
!
addr = inet_addr(string);
***************
*** 187,190 ****
--- 335,339 ----
}
+ /* convert list of string addresses to internal address datum. */
void *string_to_addr_list(char *string)
{
***************
*** 213,220 ****
return addr_list;
}
-
- /* Addresses are stored internally in network order
- * so no conversion necessary. */
void *string_addr_to_network(char *string, unsigned char *len_ret)
{
--- 362,367 ----
return addr_list;
}
+ /* convert serialized address to network datum. */
void *string_addr_to_network(char *string, unsigned char *len_ret)
{
***************
*** 224,237 ****
return addr;
}
-
- /*
- * Just call the regular string_addr_list and copy
- * make new copy while destroying the old.
- *
- * FIXME: even though these lists are small, we
- * shouldn't need to walk through them three times.
- *
- */
void *string_addr_list_to_network(char *string, unsigned char *len_ret)
{
--- 371,376 ----
return addr;
}
+ /* convert serialized address list to network datum. */
void *string_addr_list_to_network(char *string, unsigned char *len_ret)
{
***************
*** 244,252 ****
count++;
! data = xmalloc(count * 4);
cp = data;
for(ptr = addr_list;ptr;ptr = ptr->next) {
! memcpy(cp, ptr->data, 4);
cp++;
}
--- 383,391 ----
count++;
! data = xmalloc(count * IP_ADDR_LEN);
cp = data;
for(ptr = addr_list;ptr;ptr = ptr->next) {
! memcpy(cp, ptr->data, IP_ADDR_LEN);
cp++;
}
***************
*** 257,275 ****
return data;
}
! /* We already have a string coming in, we need to validate
! * it though; we need to make sure its null terminated.
! * Then just return a new copy.
! *
! * FIXME: all strings should conform to the RFC.
! * Add check.
! *
*/
! char *validate_to_string(const unsigned char *data, int len)
{
char *new_string;
! if(!is_string(data, len)) {
new_string = xmalloc(len + 1);
memcpy(new_string, data, len);
--- 396,435 ----
return data;
}
+
+ /* address pair conversion. this just adds a check to make sure len is divisible
+ * by 2 addresses. */
+ char *network_addr_pair_list_to_string(const unsigned char *data, int len)
+ {
+ if(len == 0 ||
+ len%(IP_ADDR_LEN * 2))
+ return NULL;
! return(network_addr_list_to_string(data, len));
! }
!
! /* string to internal address pair list (wrapper). */
! void *string_to_addr_pair_list(char *s)
! {
! return(string_to_addr_list(s));
! }
!
! /* string to network address pair list (wrapper). */
! void *string_addr_pair_list_to_network(char *s, unsigned char *retlen)
! {
! return(string_addr_list_to_network(s, retlen));
! }
!
! /* String conversions:
! * We use strdup mostly to just make copies in our conversion hook
! * array. However, for network strings we want to run them through
! * validate_network_to_string
*/
! /* validate string only: fixme: add rfc character set check. */
! char *validate_network_string_to_string(const unsigned char *data, int len)
{
char *new_string;
! if(!is_string(data, len)) { /* fix if needed. */
new_string = xmalloc(len + 1);
memcpy(new_string, data, len);
***************
*** 278,351 ****
}
! /* we don't want to force terminate.
! * instead we should just consider that
! * it is malformed and return an error. */
!
return strdup(data);
}
! char *uint32_to_string(const unsigned char *data, int len)
{
! char *uint32_string;
! uint32_t val;
! if(len < 4)
! return NULL;
! val = ntohl(*(uint32_t *)data);
! uint32_string = xmalloc(UINT32_T_STRING_SIZE);
! snprintf(uint32_string, UINT32_T_STRING_SIZE, "%lu", (unsigned long) val); /* this may not be safe.
! * FIXME */
! return uint32_string;
}
! void *string_to_uint32(char *s)
{
! uint32_t *val;
! char *val_string;
! val = xmalloc(sizeof(uint32_t));
!
! /* must begin with an arbritrary amount
! * of white space. h'ok. */
! val_string = splice_string(" ", s);
! *val = strtoul(val_string, NULL, 10);
! xfree(val_string);
! return val;
}
! void *string_uint32_to_network(char *s, unsigned char *ret_len)
{
! uint32_t *val;
! unsigned char *net_val;
! val = string_to_uint32(s);
! if(val == NULL)
return NULL;
! net_val = xmalloc(sizeof(uint32_t));
! (*(uint32_t *)net_val) = htonl(*val);
! xfree(val);
! *ret_len = sizeof(uint32_t);
! return net_val;
}
! void *strdup_wrap(char *s)
{
! return(strdup(s));
}
! void *strdup_wrap_net(char *s, unsigned char *ret_len)
{
! unsigned char *val;
! val = strdup_wrap(s);
! *ret_len = strlen(s);
! return val;
}
--- 438,771 ----
}
! /* otherwise strdup a copy. */
return strdup(data);
}
! /* just copy. wrapper needed to be nice to the compiler. */
! void *strdup_wrap(char *s)
{
! return(strdup(s));
! }
!
! /* call strdup_wrap but set the ret_len appropriately. */
! void *strdup_wrap_net(char *s, unsigned char *ret_len)
! {
! unsigned char *val;
! val = strdup_wrap(s);
!
! *ret_len = (strlen(s) + 1);
! return val;
! }
!
! /* Integer conversions:
! * More work is done here to convert to network or internal format. */
!
! /* workhorse network int to string routine. */
! char *network_int_to_string(const unsigned char *data, int data_len,
! size_t size, int si)
! {
! char *string;
! if(size > data_len)
! return NULL;
! if(si) { /* signed. */
!
! switch(size) {
!
! case sizeof(int32_t):
! string = xmalloc(INT32_T_STRING_SIZE);
! snprintf(string, INT32_T_STRING_SIZE, "%ld", ntohl(*(int32_t *)data));
! break;
!
! case sizeof(int16_t):
! string = xmalloc(INT16_T_STRING_SIZE);
! snprintf(string, INT16_T_STRING_SIZE, "%hd", ntohs(*(int16_t *)data));
! break;
!
! default:
! /* we should never get here but we should force ourselves
! * to b0rk if we do. */
! fatal_error("illegal size passed to int_to_string()!");
! }
!
! } else { /* unsigned. */
!
! switch(size) {
!
! case sizeof(uint32_t):
! string = xmalloc(UINT32_T_STRING_SIZE);
! snprintf(string, UINT32_T_STRING_SIZE, "%lu", ntohl(*(uint32_t *)data));
! break;
!
! case sizeof(uint16_t):
! string = xmalloc(UINT16_T_STRING_SIZE);
! snprintf(string, UINT16_T_STRING_SIZE, "%hu", ntohs(*(uint16_t *)data));
! break;
!
! default:
! /* ditto on forced b0rking. */
! fatal_error("illegal size passed to int_to_string()!");
! break;
! }
! }
! return string;
!
}
! /* interface to *int*_to_string */
! char *network_uint32_to_string(const unsigned char *data, int len)
{
! return(network_int_to_string(data, len, sizeof(uint32_t), 0));
! }
! char *network_int32_to_string(const unsigned char *data, int len)
! {
! return(network_int_to_string(data, len, sizeof(int32_t), 1));
! }
! char *network_uint16_to_string(const unsigned char *data, int len)
! {
! return(network_int_to_string(data, len, sizeof(int32_t), 0));
! }
! char *network_int16_to_string(const unsigned char *data, int len)
! {
! return(network_int_to_string(data, len, sizeof(int32_t), 1));
! }
! char *network_uint16_list_to_string(const unsigned char *data, int len)
! {
! char *tmp;
! char *s = NULL;
! char *string = NULL;
! if(len == 0 ||
! len%sizeof(uint16_t))
! return NULL;
! for(;len > 0;len -= sizeof(uint16_t)) {
!
! s = network_uint16_to_string(data, sizeof(uint16_t));
! if(s == NULL)
! return string;
!
! tmp = string;
! string = splice_string(s, string);
!
! if(tmp != NULL)
! xfree(tmp);
! xfree(s);
!
! tmp = string;
! string = splice_string(string, ";");
! free(tmp);
!
! data += sizeof(uint16_t);
! }
!
! return string;
}
! void *string_to_uint16_list(char *s)
{
! list_t *list_ptr = NULL;
! void *val;
! char *cp, *ptr;
!
! cp = s;
! while((ptr = strchr(cp, ';')) != NULL) {
! *ptr = '\0';
! val = string_to_uint16(cp);
! if(val == NULL)
! break;
!
! list_ptr = add_to_list(list_ptr,val);
!
! ptr++;
! if(*ptr == '\0')
! break;
! cp = ptr;
! }
! return list_ptr;
! }
!
! void *string_uint16_list_to_network(char *s, unsigned char *retlen)
! {
! unsigned char *data, *data_ptr;
! uint16_t *val;
! int len = 0;
! char *ptr;
! char *cp;
!
! for(cp = s;ptr != NULL;ptr = strchr(cp, ';')) {
! cp = ptr + 1;
! len++;
! }
!
! if(len == 0)
return NULL;
+
+ data = xmalloc(sizeof(uint16_t) * len);
+ cp = s;
+ data_ptr = data;
! while(len--) {
! ptr = strchr(cp, ';');
! *ptr = '\0';
!
! val = string_to_uint16(cp);
! memcpy(data_ptr, val, sizeof(uint16_t));
! xfree(val);
! data_ptr += sizeof(uint16_t);
! }
! return data;
}
! /* workhorse string to integer routine. */
! /* i'm worried about some of the type issues here. */
!
! static void *string_to_int(char *s, int si, size_t size)
{
! void *val;
!
! /* allocate string for str* integer conversion. */
! val = xmalloc(size);
!
! if(si) { /* signed. */
!
! switch(size) {
!
! case sizeof(int32_t):
! *(int32_t *)val = strtol(s, NULL, 10);
! break;
!
! case sizeof(int16_t):
! *(int16_t *)val = (uint16_t)atoi(s); /* this is safe
! * because we're always getting our
! * own serialized values. they should decay fine.
! * don't use this on strings gotten from the network. */
! break;
! default:
! /* we should never get here but we should force ourselves
! * to b0rk if we do. */
! fatal_error("illegal size passed to string_to_int()!");
! }
!
! } else { /* unsigned. */
!
! switch(size) {
!
! case sizeof(uint32_t):
! *(uint32_t *)val = strtoul(s, NULL, 10);
! break;
!
! case sizeof(uint16_t):
! *(uint16_t *)val = (uint16_t)atoi(s); /* ditto on safeness. */
! break;
!
! default:
! /* ditto on forced b0rking. */
! fatal_error("illegal size passed to string_to_int()!");
!
! }
! }
!
! return val;
}
! /* Interface for string_to_*int* */
! void *string_to_uint32(char *s)
{
! return(string_to_int(s, 0, sizeof(uint32_t)));
! }
! void *string_to_int32(char *s)
! {
! return(string_to_int(s, 1, sizeof(uint32_t)));
! }
! void *string_to_uint16(char *s)
! {
! return(string_to_int(s, 0, sizeof(int16_t)));
! }
! void *string_to_int16(char *s)
! {
! return(string_to_int(s, 1, sizeof(uint16_t)));
! }
!
! /* string int to network. */
! static void *string_int_to_network(char *s, unsigned char *ret_len,
! int si, size_t size)
! {
! void *val;
! unsigned char *net_val;
!
! net_val = xmalloc(size);
! *ret_len = size;
! if(si) {
!
! switch(size) {
!
! case sizeof(int32_t):
! val = string_to_int32(s);
! *(int32_t *)net_val = htonl(*(int32_t *)val);
! xfree(val);
! break;
!
! case sizeof(int16_t):
! val = string_to_int16(s);
! *(int16_t *)net_val = htons(*(int16_t *)val);
! xfree(val);
! break;
!
! default:
! /* we should never get here but we should force ourselves
! * to b0rk if we do. */
! fatal_error("illegal size passed to string_int_to_network()!");
! }
!
! switch(size) {
!
! case sizeof(uint32_t):
!
! val = string_to_uint32(s);
! *(uint32_t *)net_val = htonl(*(uint32_t *)val);
! xfree(val);
! break;
!
! case sizeof(uint16_t):
! val = string_to_uint16(s);
! *(uint16_t *)net_val = htons(*(uint16_t *)val);
! xfree(val);
! break;
!
! default:
! /* ditto on the b0rkination. */
! fatal_error("illegal size passed to string_int_to_network()!");
! }
! }
!
! return net_val;
! }
!
! /* interface to string_*int*_to_network */
! void *string_int32_to_network(char *s, unsigned char *ret_len)
! {
! return(string_int_to_network(s, ret_len, 1, sizeof(int32_t)));
! }
! void *string_uint32_to_network(char *s, unsigned char *ret_len)
! {
! return(string_int_to_network(s, ret_len, 0, sizeof(uint32_t)));
! }
! void *string_int16_to_network(char *s, unsigned char *ret_len)
! {
! return(string_int_to_network(s, ret_len, 1, sizeof(int16_t)));
}
+ void *string_uint16_to_network(char *s, unsigned char *ret_len)
+ {
+ return(string_int_to_network(s, ret_len, 0, sizeof(uint16_t)));
+ }
+
+ /* Gee, lots of workhorses in this source file. */
Index: dhcp-util.c
===================================================================
RCS file: /cvsroot/dhcp-agent/dhcp-agent/dhcp-util.c,v
retrieving revision 1.3
retrieving revision 1.4
diff -C2 -d -r1.3 -r1.4
*** dhcp-util.c 2002/02/03 16:56:00 1.3
--- dhcp-util.c 2002/02/05 02:00:59 1.4
***************
*** 213,217 ****
{
char *new_string;
!
if(s2 == NULL)
return(strdup(s1));
--- 213,220 ----
{
char *new_string;
!
! if(s1 == NULL)
! return(strdup(s2));
!
if(s2 == NULL)
return(strdup(s1));
|
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