| /* |
| Copyright (c) 2004 The Regents of the University of Michigan. |
| All rights reserved. |
| |
| 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. |
| 3. 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 ``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. |
| */ |
| |
| #ifdef HAVE_CONFIG_H |
| #include <config.h> |
| #endif /* HAVE_CONFIG_H */ |
| |
| #include <sys/param.h> |
| #include <sys/socket.h> |
| #include <sys/poll.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <netinet/in.h> |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <memory.h> |
| #include <fcntl.h> |
| #include <errno.h> |
| #include <unistd.h> |
| |
| #include "svcgssd.h" |
| #include "err_util.h" |
| |
| void |
| gssd_run() |
| { |
| int ret; |
| FILE *f; |
| struct pollfd pollfd; |
| |
| #define NULLRPC_FILE "/proc/net/rpc/auth.rpcsec.init/channel" |
| |
| f = fopen(NULLRPC_FILE, "rw"); |
| |
| if (!f) { |
| printerr(0, "failed to open %s: %s\n", |
| NULLRPC_FILE, strerror(errno)); |
| exit(1); |
| } |
| pollfd.fd = fileno(f); |
| pollfd.events = POLLIN; |
| while (1) { |
| int save_err; |
| |
| pollfd.revents = 0; |
| printerr(1, "entering poll\n"); |
| ret = poll(&pollfd, 1, -1); |
| save_err = errno; |
| printerr(1, "leaving poll\n"); |
| if (ret < 0) { |
| if (save_err != EINTR) |
| printerr(0, "error return from poll: %s\n", |
| strerror(save_err)); |
| } else if (ret == 0) { |
| /* timeout; shouldn't happen. */ |
| } else { |
| if (ret != 1) { |
| printerr(0, "bug: unexpected poll return %d\n", |
| ret); |
| exit(1); |
| } |
| if (pollfd.revents & POLLIN) |
| handle_nullreq(f); |
| } |
| } |
| } |