/* $OpenBSD: common.c,v 1.4 2003/06/04 04:29:03 deraadt Exp $ */ /*- * Copyright (c) 1999 Marc Espie. * * 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. * * THIS SOFTWARE IS PROVIDED BY THE OPENBSD PROJECT 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 OPENBSD * PROJECT 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. */ #include #include #include #include #include #include #include "stand.h" #include "gzip.h" #include "pgp.h" #include "extern.h" /* Ensure consistent diagnostics */ int read_header_and_diagnose(file, h, sign, filename) FILE *file; struct mygzip_header *h; struct signature **sign; const char *filename; { switch(gzip_read_header(file, h, sign)) { case GZIP_SIGNED: if (sign == NULL) { fprintf(stderr, "File %s is already signed\n", filename); return 0; } else return 1; case GZIP_UNSIGNED: if (sign != NULL) { fprintf(stderr, "File %s is not a signed gzip file\n", filename); return 0; } else return 1; case GZIP_NOT_GZIP: fprintf(stderr, "File %s is not a gzip file\n", filename); return 0; case GZIP_NOT_PGPSIGNED: fprintf(stderr, "File %s contains an unknown extension\n", filename); return 0; default: /* this should not happen */ abort(); } } int reap(pid) pid_t pid; { int pstat; pid_t result; do { result = waitpid(pid, &pstat, 0); } while (result == -1 && errno == EINTR); return result == -1 ? -1 : pstat; }