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Now correctly handles IPv4 addresses returned by getaddrinfo();

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also parses RFC 2732 IPv6 address/port numbers in the connect command etc.
This commit is contained in:
Pontus Lidman 2000-02-08 21:33:33 +00:00
parent 0b3798abff
commit 003f4be021
1 changed files with 79 additions and 22 deletions
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95
qw_common/net_udp6.c
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@ -29,9 +29,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
/* Sun's model_t in sys/model.h conflicts w/ Quake's model_t */
#define model_t quakeforgemodel_t
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <sys/types.h>
#ifdef HAVE_SYS_IOCTL_H
@ -124,20 +122,24 @@ qboolean NET_CompareAdr (netadr_t a, netadr_t b)
char *NET_AdrToString (netadr_t a)
{
static char s[64];
unsigned short *addr16=(unsigned short *) &(a.ip);
snprintf(s, sizeof(s), "%x:%x:%x:%x:%x:%x:%x:%x.%x", ntohs(addr16[0]), ntohs(addr16[1]), ntohs(addr16[2]), ntohs(addr16[3]),ntohs(addr16[4]), ntohs(addr16[5]), ntohs(addr16[6]), ntohs(addr16[7]), ntohs(a.port));
char *base;
base=NET_BaseAdrToString(a);
sprintf(s,"[%s]:%d",base,ntohs(a.port));
return s;
}
char *NET_BaseAdrToString (netadr_t a)
{
static char s[64];
unsigned short *addr16=(unsigned short *) &(a.ip);
struct sockaddr_in6 sa;
int err;
snprintf(s, sizeof(s), "%x:%x:%x:%x:%x:%x:%x:%x", ntohs(addr16[0]), ntohs(addr16[1]), ntohs(addr16[2]), ntohs(addr16[3]),ntohs(addr16[4]), ntohs(addr16[5]), ntohs(addr16[6]), ntohs(addr16[7]));
NetadrToSockadr(&a,&sa);
if ((err=getnameinfo((struct sockaddr *) &sa,sizeof(sa),s,sizeof(s),NULL,0,NI_NUMERICHOST))) {
strcpy(s,"<invalid>");
}
return s;
}
@ -159,29 +161,66 @@ qboolean NET_StringToAdr (char *s, netadr_t *a)
char *space;
char *ports=NULL;
char copy[128];
char *addrs;
int err;
struct sockaddr_storage ss;
struct sockaddr_in6 *ss6;
struct sockaddr_in *ss4;
bzero(&hints,sizeof(hints));
memset(&hints,0,sizeof(hints));
hints.ai_socktype=SOCK_DGRAM;
hints.ai_family=PF_INET6;
hints.ai_family=PF_UNSPEC;
strcpy(copy,s);
for (space=copy; *space; space++) {
if (*space==' ')
addrs=space=copy;
if (*addrs=='[') {
addrs++;
for (; *space && *space!=']'; space++);
if (!*space) {
Con_Printf ("NET_StringToAdr: invalid IPv6 address %s\n",s);
return 0;
}
*space++='\0';
}
for (; *space; space++) {
if (*space==':')
{
*space=0;
*space='\0';
ports=space+1;
}
}
if ((err=getaddrinfo(copy,ports,&hints,&resultp)))
// Con_Printf ("NET_StringToAdr: addrs %s ports %s\n",addrs, ports);
if ((err=getaddrinfo(addrs,ports,&hints,&resultp)))
{
// Error
Sys_Error ("NET_StringToAdr: string %s: %s",s, gai_strerror(err));
Con_Printf ("NET_StringToAdr: string %s:\n%s\n",s, gai_strerror(err));
return 0;
}
SockadrToNetadr ((struct sockaddr_in6 *) resultp->ai_addr, a);
switch (resultp->ai_family) {
case AF_INET:
// convert to ipv6 addr
memset(&ss,0,sizeof(ss));
ss6=(struct sockaddr_in6 *) &ss;
ss4=(struct sockaddr_in *) resultp->ai_addr;
ss6->sin6_family=AF_INET6;
ss6->sin6_addr.in6_u.u6_addr32[0]=0;
ss6->sin6_addr.in6_u.u6_addr32[1]=0;
ss6->sin6_addr.in6_u.u6_addr32[2]=htonl(0xffff);
ss6->sin6_addr.in6_u.u6_addr32[3]=ss4->sin_addr.s_addr;
ss6->sin6_port=ss4->sin_port;
break;
case AF_INET6:
memcpy(&ss,resultp->ai_addr,sizeof(struct sockaddr_in6));
break;
default:
Con_Printf ("NET_StringToAdr: string %s:\nprotocol family %d not supported\n",s, resultp->ai_family);
return 0;
}
SockadrToNetadr ((struct sockaddr_in6 *) &ss, a);
return true;
}
@ -299,8 +338,10 @@ int UDP_OpenSocket (int port)
int err;
int newsocket;
struct sockaddr_in6 address;
struct sockaddr_in *ss4;
struct addrinfo hints;
struct addrinfo *resultp;
char addrbuf[128];
#ifdef _WIN32
#define ioctl ioctlsocket
unsigned long _true = true;
@ -313,23 +354,39 @@ int UDP_OpenSocket (int port)
Sys_Error ("UDP_OpenSocket: socket: %s", strerror(errno));
if (ioctl (newsocket, FIONBIO, &_true) == -1)
Sys_Error ("UDP_OpenSocket: ioctl FIONBIO: %s", strerror(errno));
memset(&address,0,sizeof(address));
address.sin6_family = AF_INET6;
//ZOID -- check for interface binding option
if ((i = COM_CheckParm("-ip")) != 0 && i < com_argc) {
bzero(&hints,sizeof(hints));
memset(&hints,0,sizeof(hints));
hints.ai_socktype=SOCK_DGRAM;
hints.ai_family=PF_INET6;
hints.ai_family=PF_UNSPEC;
if ((err=getaddrinfo(com_argv[i+1],NULL,&hints,&resultp)))
{
Sys_Error ("UDP_OpenSocket: addr %s: %s",com_argv[i+1], gai_strerror(err));
}
switch(resultp->ai_family) {
case AF_INET:
ss4=(struct sockaddr_in *) resultp->ai_addr;
address.sin6_family=AF_INET6;
address.sin6_addr.in6_u.u6_addr32[0]=0;
address.sin6_addr.in6_u.u6_addr32[1]=0;
address.sin6_addr.in6_u.u6_addr32[2]=htonl(0xffff);
address.sin6_addr.in6_u.u6_addr32[3]=ss4->sin_addr.s_addr;
break;
case AF_INET6:
memcpy((void *) &address,(void *) resultp->ai_addr,sizeof(address));
break;
default:
Sys_Error ("UDP_OpenSocket: address family %d not supported",com_argv[i+1], resultp->ai_family);
}
// address.sin_addr.s_addr = inet_addr(com_argv[i+1]);
// Con_Printf("Binding to IP Interface Address of %s\n",
// inet_ntop(address.sin6_addr));
Con_Printf("Binding to IP Interface Address of %s\n",
inet_ntop(AF_INET6,&address.sin6_addr,addrbuf,sizeof(addrbuf)));
} else
address.sin6_addr = in6addr_any;