bcollet/socat
1
0
Fork 0
mirror of https://repo.or.cz/socat.git synced 2025-07-13 07:03:25 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

ported generic socket to *BSD; minor improvements

Browse source
This commit is contained in:
Gerhard Rieger 2008-08-17 23:28:11 +02:00
parent 8947cc92dc
commit 13b73776e7
37 changed files with 1441 additions and 258 deletions

54
xio-ip4.c
View file

@ -1,5 +1,5 @@
/* source: xio-ip4.c */
/* Copyright Gerhard Rieger 2001-2007 */
/* Copyright Gerhard Rieger 2001-2008 */
/* Published under the GNU General Public License V.2, see file COPYING */
/* this file contains the source for IP4 related functions */
@ -13,11 +13,57 @@
#include "xio-ip.h"
#include "xio-ip4.h"
int xioparsenetwork_ip4(const char *rangename, struct xiorange *range) {
struct hostent *maskaddr;
struct in_addr *netaddr_in = &range->netaddr.ip4.sin_addr;
struct in_addr *netmask_in = &range->netmask.ip4.sin_addr;
char *rangename1; /* a copy of rangename with writing allowed */
char *delimpos; /* absolute address of delimiter */
int bits;
if ((rangename1 = strdup(rangename)) == NULL) {
Error1("strdup(\"%s\"): out of memory", rangename);
return STAT_RETRYLATER;
}
if (delimpos = strchr(rangename1, '/')) {
bits = strtoul(delimpos+1, NULL, 10);
netmask_in->s_addr = htonl((0xffffffff << (32-bits)));
} else if (delimpos = strchr(rangename1, ':')) {
if ((maskaddr = Gethostbyname(delimpos+1)) == NULL) {
Error2("gethostbyname(\"%s\"): %s", delimpos+1,
h_errno == NETDB_INTERNAL ? strerror(errno) :
hstrerror(h_errno));
return STAT_NORETRY;
}
netmask_in->s_addr = *(uint32_t *)maskaddr->h_addr_list[0];
} else {
Error1("xioparsenetwork_ip4(\"%s\",,): missing netmask delimiter", rangename);
free(rangename1);
return STAT_NORETRY;
}
{
struct hostent *nameaddr;
*delimpos = 0;
if ((nameaddr = Gethostbyname(rangename1)) == NULL) {
Error2("gethostbyname(\"%s\"): %s", rangename1,
h_errno == NETDB_INTERNAL ? strerror(errno) :
hstrerror(h_errno));
free(rangename1);
return STAT_NORETRY;
}
netaddr_in->s_addr = *(unsigned long *)nameaddr->h_addr_list[0];
}
free(rangename1);
return STAT_OK;
}
/* check if peer address is within permitted range.
return >= 0 if so. */
int xiocheckrange_ip4(struct sockaddr_in *pa, struct xiorange_ip4 *range) {
struct in_addr *netaddr_in = &range->netaddr;
struct in_addr *netmask_in = &range->netmask;
int xiocheckrange_ip4(struct sockaddr_in *pa, struct xiorange *range) {
struct in_addr *netaddr_in = &range->netaddr.ip4.sin_addr;
struct in_addr *netmask_in = &range->netmask.ip4.sin_addr;
char addrbuf[256], maskbuf[256];
char peername[256];