svr4pkg/pkgscripts/cmdexec.c

5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland/*
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland * CDDL HEADER START
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland *
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland * The contents of this file are subject to the terms of the
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland * Common Development and Distribution License (the "License").
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland * You may not use this file except in compliance with the License.
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland *
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland * or http://www.opensolaris.org/os/licensing.
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland * See the License for the specific language governing permissions
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland * and limitations under the License.
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland *
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland * When distributing Covered Code, include this CDDL HEADER in each
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland * If applicable, add the following below this CDDL HEADER, with the
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland * fields enclosed by brackets "[]" replaced with your own identifying
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland * information: Portions Copyright [yyyy] [name of copyright owner]
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland *
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland * CDDL HEADER END
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland */
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland/*
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland * Use is subject to license terms.
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland */
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland/* All Rights Reserved */
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland#include <stdio.h>
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland#include <ctype.h>
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland#include <string.h>
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland#include <locale.h>
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland#include <libintl.h>
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland#include <stdlib.h>
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland#include <unistd.h>
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland#include <pkglib.h>
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland#define COMMAND '!'
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland#define LSIZE 256
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland#define ERR_NOTROOT "You must be \"root\" for %s to execute properly."
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterlandstatic void usage(void);
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterlandstatic int  docmd(char *cmd, char *file, char *input);
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterlandint
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterlandmain(int argc, char *argv[])
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland{
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland    FILE    *fpout, *fp;
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland    char    line[LSIZE],
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland        *pt,
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland        *keyword,   /* keyword = install || remove */
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland        *input,     /* sed input file */
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland        *cmd,
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland        *srcfile,   /* sed data file */
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland        *destfile;  /* target file to be updated */
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland    int flag;
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland    char    *prog;
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland    (void) setlocale(LC_ALL, "");
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland#if !defined(TEXT_DOMAIN)   /* Should be defined by cc -D */
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland#define TEXT_DOMAIN "SYS_TEST"
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland#endif
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland    (void) textdomain(TEXT_DOMAIN);
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland    prog = set_prog_name(argv[0]);
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland    if (getuid()) {
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland        progerr(gettext(ERR_NOTROOT), prog);
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland        exit(1);
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland    }
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland    if (argc != 5)
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland        usage();
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland    cmd = argv[1];
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland    keyword = argv[2];
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland    srcfile = argv[3];
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland    destfile = argv[4];
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland    srcfile = argv[3];
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland    if ((fp = fopen(srcfile, "r")) == NULL) {
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland        progerr(gettext("unable to open %s"), srcfile);
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland        exit(1);
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland    }
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland    input = tempnam(NULL, "sedinp");
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland    if ((fpout = fopen(input, "w")) == NULL) {
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland        progerr(gettext("unable to open %s"), input);
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland        exit(2);
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland    }
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland    flag = (-1);
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland    while (fgets(line, LSIZE, fp)) {
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland        for (pt = line; isspace(*pt); /* void */)
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland            ++pt;
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland        if (*pt == '#')
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland            continue;
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland        if (*pt == COMMAND) {
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland            if (flag > 0)
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland                break; /* no more lines to read */
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland            pt = strtok(pt+1, " \t\n");
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland            if (!pt) {
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland                progerr(gettext("null token after '!'"));
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland                exit(1);
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland            }
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland            flag = (strcmp(pt, keyword) ? 0 : 1);
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland        } else if (flag == 1) { /* bug # 1083359 */
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland            (void) fputs(line, fpout);
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland        }
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland    }
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland    (void) fclose(fpout);
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland    if (flag > 0) {
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland        if (docmd(cmd, destfile, input)) {
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland            progerr(gettext("command failed <%s>"), cmd);
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland            exit(1);
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland        }
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland    }
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland    (void) unlink(input);
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland    return (0);
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland}
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterlandstatic int
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterlanddocmd(char *cmd, char *file, char *input)
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland{
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland    char *tempout;
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland    char command[256];
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland    tempout = tempnam(NULL, "temp1");
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland    if (!tempout)
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland        return (-1);
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland    (void) sprintf(command, "%s -f %s <%s >%s", cmd, input, file, tempout);
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland    if (system(command))
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland        return (-1);
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland    (void) sprintf(command, "cp %s %s", tempout, file);
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland    if (system(command))
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland        return (-1);
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland    (void) unlink(tempout);
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland    free(tempout);
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland    return (0);
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland}
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterlandstatic void
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterlandusage(void)
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland{
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland    (void) fprintf(stderr, gettext("usage: %s cmd keyword src dest\n"),
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland        get_prog_name());
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland    exit(2);
5c51f1241dbbdf2656d0e10011981411ed0c9673Moriah Waterland}