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33 * @(#)pt_tcp.c 8.5 (Berkeley) 4/28/95
36 #include <sys/cdefs.h>
37 __FBSDID("$FreeBSD$");
43 #include <sys/types.h>
44 #include <sys/param.h>
45 #include <sys/syslog.h>
46 #include <sys/socket.h>
47 #include <netinet/in.h>
48 #include <arpa/inet.h>
54 * Key will be tcp/host/port[/"priv"]
55 * Create a TCP socket connected to the
56 * requested host and port.
57 * Some trailing suffix values have special meanings.
58 * An unrecognized suffix is an error.
60 int portal_tcp(struct portal_cred *pcr, char *key, char **v,
61 int kso __unused, int *fdp)
63 char host[MAXHOSTNAMELEN];
64 char port[MAXHOSTNAMELEN];
65 char *p = key + (v[1] ? strlen(v[1]) : 0);
70 struct in_addr *ip[2];
74 struct sockaddr_in sain;
77 if (q == 0 || q - p >= (int)sizeof(host))
86 if (strlen(p) >= sizeof(port))
91 if (strcmp(p, "priv") == 0) {
92 if (pcr->pcr_uid == 0)
101 hp = gethostbyname(host);
103 ipp = (struct in_addr **) hp->h_addr_list;
105 ina.s_addr = inet_addr(host);
106 if (ina.s_addr == INADDR_NONE)
113 printf ("inet address for %s is %s\n", host, inet_ntoa(*ipp[0]));
116 sp = getservbyname(port, "tcp");
118 s_port = (u_short)sp->s_port;
120 s_port = strtoul(port, &p, 0);
121 if (s_port == 0 || *p != '\0')
123 s_port = htons(s_port);
126 printf ("port number for %s is %d\n", port, (int)ntohs(s_port));
129 memset(&sain, 0, sizeof(sain));
130 sain.sin_len = sizeof(sain);
131 sain.sin_family = AF_INET;
132 sain.sin_port = s_port;
138 so = rresvport((int *) 0);
140 so = socket(AF_INET, SOCK_STREAM, 0);
142 syslog(LOG_ERR, "socket: %m");
146 sain.sin_addr = *ipp[0];
147 if (connect(so, (struct sockaddr *) &sain, sizeof(sain)) == 0) {