8 #include <netinet/in.h>
10 static char *nets[] = { "tcp", "udp", nil };
11 #define CLASS(p) ((*(uchar*)(p))>>6)
14 parseip(char *host, u32int *pip)
21 for(i=0; i<4 && *p; i++){
22 x = strtoul(p, &p, 0);
25 if(*p != '.' && *p != 0)
54 *pip = *(u32int*)addr;
59 p9dialparse(char *addr, char **pnet, char **punix, u32int *phost, int *pport)
61 char *net, *host, *port, *e;
65 struct sockaddr_un *sockun;
67 if(strncmp(addr, "/net/", 5) == 0)
71 if((host = strchr(net, '!')) == nil){
72 werrstr("malformed address");
76 if((port = strchr(host, '!')) == nil){
77 if(strcmp(net, "unix")==0 || strcmp(net, "net")==0){
79 if(strlen(host)+1 > sizeof sockun->sun_path){
80 werrstr("unix socket name too long");
89 werrstr("malformed address");
95 werrstr("malformed address (empty host)");
99 werrstr("malformed address (empty port)");
103 if(strcmp(net, "unix") == 0)
106 if(strcmp(net, "tcp")!=0 && strcmp(net, "udp")!=0){
107 werrstr("bad network %s!%s!%s", net, host, port);
112 if(strcmp(host, "*") == 0)
114 else if(parseip(host, phost) == 0)
116 else if((he = gethostbyname(host)) != nil)
117 *phost = *(u32int*)(he->h_addr);
119 werrstr("unknown host %s", host);
123 /* translate network and port; should return list rather than first */
124 if(strcmp(net, "net") == 0){
125 for(i=0; nets[i]; i++){
126 if((se = getservbyname(port, nets[i])) != nil){
128 *pport = ntohs(se->s_port);
132 werrstr("unknown service %s", port);
136 if(strcmp(net, "tcp") != 0 && strcmp(net, "udp") != 0){
137 werrstr("unknown network %s", net);
142 i = strtol(port, &e, 0);
148 if((se = getservbyname(port, net)) != nil){
149 *pport = ntohs(se->s_port);
152 werrstr("unknown service %s", port);