91 lines
2.8 KiB
C
91 lines
2.8 KiB
C
/* $OpenBSD: common.c,v 1.3 1999/10/07 16:30:32 espie Exp $ */
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/*-
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* Copyright (c) 1999 Marc Espie.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Marc Espie for the OpenBSD
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* Project.
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*
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* THIS SOFTWARE IS PROVIDED BY THE OPENBSD PROJECT AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBSD
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* PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <sys/stat.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <errno.h>
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#include "stand.h"
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#include "gzip.h"
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#include "pgp.h"
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#include "extern.h"
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/* Ensure consistent diagnostics */
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int
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read_header_and_diagnose(file, h, sign, filename)
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FILE *file;
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struct mygzip_header *h;
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struct signature **sign;
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const char *filename;
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{
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switch(gzip_read_header(file, h, sign)) {
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case GZIP_SIGNED:
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if (sign == NULL) {
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fprintf(stderr, "File %s is already signed\n", filename);
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return 0;
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} else
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return 1;
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case GZIP_UNSIGNED:
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if (sign != NULL) {
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fprintf(stderr, "File %s is not a signed gzip file\n", filename);
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return 0;
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} else
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return 1;
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case GZIP_NOT_GZIP:
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fprintf(stderr, "File %s is not a gzip file\n", filename);
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return 0;
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case GZIP_NOT_PGPSIGNED:
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fprintf(stderr, "File %s contains an unknown extension\n", filename);
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return 0;
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default:
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/* this should not happen */
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abort();
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}
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}
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int
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reap(pid)
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pid_t pid;
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{
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int pstat;
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pid_t result;
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do {
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result = waitpid(pid, &pstat, 0);
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} while (result == -1 && errno == EINTR);
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return result == -1 ? -1 : pstat;
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}
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