diff options
Diffstat (limited to 'usr.sbin/mount_portalfs/activate.c')
-rw-r--r-- | usr.sbin/mount_portalfs/activate.c | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/usr.sbin/mount_portalfs/activate.c b/usr.sbin/mount_portalfs/activate.c deleted file mode 100644 index 7d35d48..0000000 --- a/usr.sbin/mount_portalfs/activate.c +++ /dev/null @@ -1,195 +0,0 @@ -/* - * Copyright (c) 1992, 1993 - * The Regents of the University of California. All rights reserved. - * All rights reserved. - * - * This code is derived from software donated to Berkeley by - * Jan-Simon Pendry. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * @(#)activate.c 8.3 (Berkeley) 4/28/95 - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <errno.h> -#include <string.h> -#include <unistd.h> -#include <sys/types.h> -#include <sys/param.h> -#include <sys/socket.h> -#include <sys/syslog.h> -#include <sys/uio.h> - -#include "portald.h" - -/* - * Scan the providers list and call the - * appropriate function. - */ -static int activate_argv(struct portal_cred *pcr, char *key, char **v, int so, - int *fdp) -{ - provider *pr; - - for (pr = providers; pr->pr_match; pr++) - if (strcmp(v[0], pr->pr_match) == 0) - return ((*pr->pr_func)(pcr, key, v, so, fdp)); - - return (ENOENT); -} - -static int get_request(int so, struct portal_cred *pcr, char *key, int klen) -{ - struct iovec iov[2]; - struct msghdr msg; - int n; - - iov[0].iov_base = (caddr_t) pcr; - iov[0].iov_len = sizeof(*pcr); - iov[1].iov_base = key; - iov[1].iov_len = klen; - - memset(&msg, 0, sizeof(msg)); - msg.msg_iov = iov; - msg.msg_iovlen = 2; - - n = recvmsg(so, &msg, 0); - if (n < 0) - return (errno); - - if (n <= (int)sizeof(*pcr)) - return (EINVAL); - - n -= sizeof(*pcr); - key[n] = '\0'; - - return (0); -} - -static void send_reply(int so, int fd, int error) -{ - int n; - struct iovec iov; - struct msghdr msg; - union { - struct cmsghdr cmsg; - char control[CMSG_SPACE(sizeof(int))]; - } ctl; - - /* - * Line up error code. Don't worry about byte ordering - * because we must be sending to the local machine. - */ - iov.iov_base = (caddr_t) &error; - iov.iov_len = sizeof(error); - - /* - * Build a msghdr - */ - memset(&msg, 0, sizeof(msg)); - msg.msg_iov = &iov; - msg.msg_iovlen = 1; - - /* - * If there is a file descriptor to send then - * construct a suitable rights control message. - */ - if (fd >= 0) { - ctl.cmsg.cmsg_len = CMSG_LEN(sizeof(int)); - ctl.cmsg.cmsg_level = SOL_SOCKET; - ctl.cmsg.cmsg_type = SCM_RIGHTS; - *((int *)CMSG_DATA(&ctl.cmsg)) = fd; - msg.msg_control = (caddr_t) &ctl; - msg.msg_controllen = ctl.cmsg.cmsg_len; - } - - /* - * Send to kernel... - */ - if ((n = sendmsg(so, &msg, 0)) < 0) - syslog(LOG_ERR, "send: %s", strerror(errno)); -#ifdef DEBUG - fprintf(stderr, "sent %d bytes\n", n); -#endif - sleep(1); /*XXX*/ -#ifdef notdef - if (shutdown(so, SHUT_RDWR) < 0) - syslog(LOG_ERR, "shutdown: %s", strerror(errno)); -#endif - /* - * Throw away the open file descriptor - */ - (void) close(fd); -} - -void activate(qelem *q, int so) -{ - struct portal_cred pcred; - char key[MAXPATHLEN+1]; - int error; - char **v; - int fd = -1; - - /* - * Read the key from the socket - */ - error = get_request(so, &pcred, key, sizeof(key)); - if (error) { - syslog(LOG_ERR, "activate: recvmsg: %s", strerror(error)); - goto drop; - } - -#ifdef DEBUG - fprintf(stderr, "lookup key %s\n", key); -#endif - - /* - * Find a match in the configuration file - */ - v = conf_match(q, key); - - /* - * If a match existed, then find an appropriate portal - * otherwise simply return ENOENT. - */ - if (v) { - error = activate_argv(&pcred, key, v, so, &fd); - if (error) - fd = -1; - else if (fd < 0) - error = -1; - } else { - error = ENOENT; - } - - if (error >= 0) - send_reply(so, fd, error); - -drop:; - close(so); -} |