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37 * @(#)pt_tcp.c 8.5 (Berkeley) 4/28/95
39 * $FreeBSD: src/sbin/mount_portal/pt_tcp.c,v 1.9 1999/08/28 00:13:38 peter Exp $
40 * $DragonFly: src/sbin/mount_portal/pt_tcp.c,v 1.4 2004/12/18 21:43:39 swildner Exp $
47 #include <sys/types.h>
48 #include <sys/param.h>
49 #include <sys/syslog.h>
50 #include <sys/socket.h>
51 #include <netinet/in.h>
52 #include <arpa/inet.h>
58 * Key will be tcp/host/port[/"priv"]
59 * Create a TCP socket connected to the
60 * requested host and port.
61 * Some trailing suffix values have special meanings.
62 * An unrecognized suffix is an error.
64 int portal_tcp(struct portal_cred *pcr, char *key, char **v, int kso, int *fdp)
66 char host[MAXHOSTNAMELEN];
67 char port[MAXHOSTNAMELEN];
68 char *p = key + (v[1] ? strlen(v[1]) : 0);
73 struct in_addr *ip[2];
77 struct sockaddr_in sain;
80 if (q == 0 || q - p >= sizeof(host))
89 if (strlen(p) >= sizeof(port))
94 if (strcmp(p, "priv") == 0) {
95 if (pcr->pcr_uid == 0)
104 hp = gethostbyname(host);
106 ipp = (struct in_addr **) hp->h_addr_list;
108 ina.s_addr = inet_addr(host);
109 if (ina.s_addr == INADDR_NONE)
116 printf ("inet address for %s is %s\n", host, inet_ntoa(*ipp[0]));
119 sp = getservbyname(port, "tcp");
121 s_port = (u_short)sp->s_port;
123 s_port = strtoul(port, &p, 0);
124 if (s_port == 0 || *p != '\0')
126 s_port = htons(s_port);
129 printf ("port number for %s is %d\n", port, (int)ntohs(s_port));
132 memset(&sain, 0, sizeof(sain));
133 sain.sin_len = sizeof(sain);
134 sain.sin_family = AF_INET;
135 sain.sin_port = s_port;
141 so = rresvport((int *) 0);
143 so = socket(AF_INET, SOCK_STREAM, 0);
145 syslog(LOG_ERR, "socket: %m");
149 sain.sin_addr = *ipp[0];
150 if (connect(so, (struct sockaddr *) &sain, sizeof(sain)) == 0) {