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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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(struct portal_cred *pcr, char *key, char **v, int so,
59 for (pr = providers; pr->pr_match; pr++)
60 if (strcmp(v[0], pr->pr_match) == 0)
61 return ((*pr->pr_func)(pcr, key, v, so, fdp));
66 static int get_request(int so, struct portal_cred *pcr, char *key, int klen)
72 iov[0].iov_base = (caddr_t) pcr;
73 iov[0].iov_len = sizeof(*pcr);
74 iov[1].iov_base = key;
75 iov[1].iov_len = klen;
77 memset(&msg, 0, sizeof(msg));
81 n = recvmsg(so, &msg, 0);
85 if (n <= (int)sizeof(*pcr))
94 static void send_reply(int so, int fd, int error)
101 char control[CMSG_SPACE(sizeof(int))];
105 * Line up error code. Don't worry about byte ordering
106 * because we must be sending to the local machine.
108 iov.iov_base = (caddr_t) &error;
109 iov.iov_len = sizeof(error);
114 memset(&msg, 0, sizeof(msg));
119 * If there is a file descriptor to send then
120 * construct a suitable rights control message.
123 ctl.cmsg.cmsg_len = CMSG_LEN(sizeof(int));
124 ctl.cmsg.cmsg_level = SOL_SOCKET;
125 ctl.cmsg.cmsg_type = SCM_RIGHTS;
126 *((int *)CMSG_DATA(&ctl.cmsg)) = fd;
127 msg.msg_control = (caddr_t) &ctl;
128 msg.msg_controllen = ctl.cmsg.cmsg_len;
134 if ((n = sendmsg(so, &msg, 0)) < 0)
135 syslog(LOG_ERR, "send: %s", strerror(errno));
137 fprintf(stderr, "sent %d bytes\n", n);
141 if (shutdown(so, SHUT_RDWR) < 0)
142 syslog(LOG_ERR, "shutdown: %s", strerror(errno));
145 * Throw away the open file descriptor
150 void activate(qelem *q, int so)
152 struct portal_cred pcred;
153 char key[MAXPATHLEN+1];
159 * Read the key from the socket
161 error = get_request(so, &pcred, key, sizeof(key));
163 syslog(LOG_ERR, "activate: recvmsg: %s", strerror(error));
168 fprintf(stderr, "lookup key %s\n", key);
172 * Find a match in the configuration file
174 v = conf_match(q, key);
177 * If a match existed, then find an appropriate portal
178 * otherwise simply return ENOENT.
181 error = activate_argv(&pcred, key, v, so, &fd);
191 send_reply(so, fd, error);