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Add support for DECnet. Still needs configure-script options to enable.

This commit is contained in:
Patrick Caulfield 2006-04-24 08:29:18 -07:00 committed by Jamey Sharp
parent 771761ccaa
commit bb8cf58015
1 changed files with 59 additions and 4 deletions
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63
src/xcb_util.c
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@ -29,7 +29,10 @@
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <netinet/in.h>
#ifdef DNETCONN
#include <netdnet/dnetdb.h>
#include <netdnet/dn.h>
#endif
#include <netdb.h>
#include <errno.h>
#include <stdio.h>
@ -92,6 +95,9 @@ int XCBParseDisplay(const char *name, char **host, int *displayp, int *screenp)
static int _xcb_open_tcp(const char *host, const unsigned short port);
static int _xcb_open_unix(const char *file);
#ifdef DNETCONN
static int _xcb_open_decnet(const char *host, const unsigned short port);
#endif
static int _xcb_open(const char *host, const int display)
{
@ -99,9 +105,24 @@ static int _xcb_open(const char *host, const int display)
if(*host)
{
/* display specifies TCP */
unsigned short port = X_TCP_PORT + display;
fd = _xcb_open_tcp(host, port);
#ifdef DNETCONN
if (strchr(host, ':'))
{
/* DECnet displays have two colons, so the parser will have left
one at the end */
char *dnethost = strdup(host);
dnethost[strlen(dnethost)-1] = '\0';
fd = _xcb_open_decnet(dnethost, display);
free(dnethost);
}
else
#endif
{
/* display specifies TCP */
unsigned short port = X_TCP_PORT + display;
fd = _xcb_open_tcp(host, port);
}
}
else
{
@ -115,6 +136,40 @@ static int _xcb_open(const char *host, const int display)
return fd;
}
#ifdef DNETCONN
static int _xcb_open_decnet(const char *host, const unsigned short port)
{
int fd;
struct sockaddr_dn addr;
struct accessdata_dn accessdata;
struct nodeent *nodeaddr = getnodebyname(host);
if(!nodeaddr)
return -1;
addr.sdn_family = AF_DECnet;
addr.sdn_add.a_len = nodeaddr->n_length;
memcpy(addr.sdn_add.a_addr, nodeaddr->n_addr, addr.sdn_add.a_len);
sprintf((char *)addr.sdn_objname, "X$X%d", port);
addr.sdn_objnamel = strlen((char *)addr.sdn_objname);
addr.sdn_objnum = 0;
fd = socket(PF_DECnet, SOCK_STREAM, 0);
if(fd == -1)
return -1;
memset(&accessdata, 0, sizeof(accessdata));
sprintf((char*)accessdata.acc_acc, "%d", getuid());
accessdata.acc_accl = strlen((char *)accessdata.acc_acc);
setsockopt(fd, DNPROTO_NSP, SO_CONACCESS, &accessdata, sizeof(accessdata));
if(connect(fd, (struct sockaddr *) &addr, sizeof(addr)) == -1)
return -1;
return fd;
}
#endif
static int _xcb_open_tcp(const char *host, const unsigned short port)
{
int fd;