2 * Copyright (c) 1992, 1993
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6 * This code is derived from software donated to Berkeley by
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33 * @(#)activate.c 8.3 (Berkeley) 4/28/95
36 #include <sys/cdefs.h>
37 __FBSDID("$FreeBSD$");
42 #include <sys/types.h>
43 #include <sys/param.h>
44 #include <sys/socket.h>
45 #include <sys/syslog.h>
51 * Scan the providers list and call the
52 * appropriate function.
54 static int activate_argv(pcr, key, v, so, fdp)
55 struct portal_cred *pcr;
63 for (pr = providers; pr->pr_match; pr++)
64 if (strcmp(v[0], pr->pr_match) == 0)
65 return ((*pr->pr_func)(pcr, key, v, so, fdp));
70 static int get_request(so, pcr, key, klen)
72 struct portal_cred *pcr;
80 iov[0].iov_base = (caddr_t) pcr;
81 iov[0].iov_len = sizeof(*pcr);
82 iov[1].iov_base = key;
83 iov[1].iov_len = klen;
85 memset(&msg, 0, sizeof(msg));
89 n = recvmsg(so, &msg, 0);
93 if (n <= sizeof(*pcr))
102 static void send_reply(so, fd, error)
112 char control[CMSG_SPACE(sizeof(int))];
116 * Line up error code. Don't worry about byte ordering
117 * because we must be sending to the local machine.
119 iov.iov_base = (caddr_t) &error;
120 iov.iov_len = sizeof(error);
125 memset(&msg, 0, sizeof(msg));
130 * If there is a file descriptor to send then
131 * construct a suitable rights control message.
134 ctl.cmsg.cmsg_len = CMSG_LEN(sizeof(int));
135 ctl.cmsg.cmsg_level = SOL_SOCKET;
136 ctl.cmsg.cmsg_type = SCM_RIGHTS;
137 *((int *)CMSG_DATA(&ctl.cmsg)) = fd;
138 msg.msg_control = (caddr_t) &ctl;
139 msg.msg_controllen = ctl.cmsg.cmsg_len;
145 if ((n = sendmsg(so, &msg, 0)) < 0)
146 syslog(LOG_ERR, "send: %s", strerror(errno));
148 fprintf(stderr, "sent %d bytes\n", n);
152 if (shutdown(so, 2) < 0)
153 syslog(LOG_ERR, "shutdown: %s", strerror(errno));
156 * Throw away the open file descriptor
165 struct portal_cred pcred;
166 char key[MAXPATHLEN+1];
172 * Read the key from the socket
174 error = get_request(so, &pcred, key, sizeof(key));
176 syslog(LOG_ERR, "activate: recvmsg: %s", strerror(error));
181 fprintf(stderr, "lookup key %s\n", key);
185 * Find a match in the configuration file
187 v = conf_match(q, key);
190 * If a match existed, then find an appropriate portal
191 * otherwise simply return ENOENT.
194 error = activate_argv(&pcred, key, v, so, &fd);
204 send_reply(so, fd, error);