/*
* call up the connection server and get a translation
*/
static int nettrans(char *addr, char *naddr, int na, char *file, int nf)
{
int i, fd;
char buf[Maxpath];
char netdir[NETPATHLEN];
char *p, *p2;
long n;
/*
* parse, get network directory
*/
p = strchr(addr, '!');
if (p == 0) {
set_errstr("bad dial string: %s", addr);
return -1;
}
if (*addr != '/') {
strlcpy(netdir, "/net", sizeof(netdir));
} else {
for (p2 = p; *p2 != '/'; p2--) ;
i = p2 - addr;
if (i == 0 || i >= sizeof(netdir)) {
set_errstr("bad dial string: %s", addr);
return -1;
}
strlcpy(netdir, addr, i + 1);
addr = p2 + 1;
}
/*
* ask the connection server
*/
snprintf(buf, sizeof(buf), "%s/cs", netdir);
fd = sysopen(buf, O_RDWR);
if (fd < 0)
return identtrans(netdir, addr, naddr, na, file, nf);
if (syswrite(fd, addr, strlen(addr)) < 0) {
sysclose(fd);
return -1;
}
sysseek(fd, 0, 0);
n = sysread(fd, buf, sizeof(buf) - 1);
sysclose(fd);
if (n <= 0)
return -1;
buf[n] = 0;
/*
* parse the reply
*/
p = strchr(buf, ' ');
if (p == 0)
return -1;
*p++ = 0;
strlcpy(naddr, p, na);
strlcpy(file, buf, nf);
return 0;
}
/*
* call up the connection server and get a translation
*/
static int
nettrans(const char *addr, char *naddr, int na, char *file, int nf)
{
int i, fd;
char buf[Maxpath];
char netdir[Maxpath];
char *p, *p2;
int32_t n;
/*
* parse, get network directory
*/
p = strchr(addr, '!');
if(p == 0){
werrstr("bad dial string: %s", addr);
return -1;
}
if(*addr != '/'){
strncpy(netdir, "/net", sizeof(netdir));
netdir[sizeof(netdir) - 1] = 0;
} else {
for(p2 = p; *p2 != '/'; p2--)
;
i = p2 - addr;
if(i == 0 || i >= sizeof(netdir)){
werrstr("bad dial string: %s", addr);
return -1;
}
strncpy(netdir, addr, i);
netdir[i] = 0;
addr = p2 + 1;
}
/*
* ask the connection server
*/
snprint(buf, sizeof(buf), "%s/cs", netdir);
fd = open(buf, ORDWR);
if(fd < 0)
return identtrans(netdir, addr, naddr, na, file, nf);
if(write(fd, addr, strlen(addr)) < 0){
close(fd);
return -1;
}
seek(fd, 0, 0);
n = read(fd, buf, sizeof(buf)-1);
close(fd);
if(n <= 0)
return -1;
buf[n] = 0;
/*
* parse the reply
*/
p = strchr(buf, ' ');
if(p == 0)
return -1;
*p++ = 0;
strncpy(naddr, p, na);
naddr[na-1] = 0;
if(buf[0] == '/'){
p = strchr(buf+1, '/');
if(p == nil)
p = buf;
else
p++;
}
snprint(file, nf, "%s/%s", netdir, p);
return 0;
}