2 * Copyright (c) 1992, 1993
3 * The Regents of the University of California. All rights reserved.
6 * This code is derived from software donated to Berkeley by
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37 * @(#)activate.c 8.3 (Berkeley) 4/28/95
41 static const char rcsid[] =
48 #include <sys/types.h>
49 #include <sys/param.h>
50 #include <sys/socket.h>
51 #include <sys/syslog.h>
57 * Scan the providers list and call the
58 * appropriate function.
60 static int activate_argv(pcr, key, v, so, fdp)
61 struct portal_cred *pcr;
69 for (pr = providers; pr->pr_match; pr++)
70 if (strcmp(v[0], pr->pr_match) == 0)
71 return ((*pr->pr_func)(pcr, key, v, so, fdp));
76 static int get_request(so, pcr, key, klen)
78 struct portal_cred *pcr;
86 iov[0].iov_base = (caddr_t) pcr;
87 iov[0].iov_len = sizeof(*pcr);
88 iov[1].iov_base = key;
89 iov[1].iov_len = klen;
91 memset(&msg, 0, sizeof(msg));
95 n = recvmsg(so, &msg, 0);
99 if (n <= sizeof(*pcr))
108 static void send_reply(so, fd, error)
118 char control[CMSG_SPACE(sizeof(int))];
122 * Line up error code. Don't worry about byte ordering
123 * because we must be sending to the local machine.
125 iov.iov_base = (caddr_t) &error;
126 iov.iov_len = sizeof(error);
131 memset(&msg, 0, sizeof(msg));
136 * If there is a file descriptor to send then
137 * construct a suitable rights control message.
140 ctl.cmsg.cmsg_len = CMSG_LEN(sizeof(int));
141 ctl.cmsg.cmsg_level = SOL_SOCKET;
142 ctl.cmsg.cmsg_type = SCM_RIGHTS;
143 *((int *)CMSG_DATA(&ctl.cmsg)) = fd;
144 msg.msg_control = (caddr_t) &ctl;
145 msg.msg_controllen = ctl.cmsg.cmsg_len;
151 if ((n = sendmsg(so, &msg, 0)) < 0)
152 syslog(LOG_ERR, "send: %s", strerror(errno));
154 fprintf(stderr, "sent %d bytes\n", n);
158 if (shutdown(so, 2) < 0)
159 syslog(LOG_ERR, "shutdown: %s", strerror(errno));
162 * Throw away the open file descriptor
171 struct portal_cred pcred;
172 char key[MAXPATHLEN+1];
178 * Read the key from the socket
180 error = get_request(so, &pcred, key, sizeof(key));
182 syslog(LOG_ERR, "activate: recvmsg: %s", strerror(error));
187 fprintf(stderr, "lookup key %s\n", key);
191 * Find a match in the configuration file
193 v = conf_match(q, key);
196 * If a match existed, then find an appropriate portal
197 * otherwise simply return ENOENT.
200 error = activate_argv(&pcred, key, v, so, &fd);
210 send_reply(so, fd, error);