xref: /titanic_52/usr/src/cmd/svr4pkg/pkgscripts/cmdexec.c (revision 5c51f1241dbbdf2656d0e10011981411ed0c9673)
1*5c51f124SMoriah Waterland /*
2*5c51f124SMoriah Waterland  * CDDL HEADER START
3*5c51f124SMoriah Waterland  *
4*5c51f124SMoriah Waterland  * The contents of this file are subject to the terms of the
5*5c51f124SMoriah Waterland  * Common Development and Distribution License (the "License").
6*5c51f124SMoriah Waterland  * You may not use this file except in compliance with the License.
7*5c51f124SMoriah Waterland  *
8*5c51f124SMoriah Waterland  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*5c51f124SMoriah Waterland  * or http://www.opensolaris.org/os/licensing.
10*5c51f124SMoriah Waterland  * See the License for the specific language governing permissions
11*5c51f124SMoriah Waterland  * and limitations under the License.
12*5c51f124SMoriah Waterland  *
13*5c51f124SMoriah Waterland  * When distributing Covered Code, include this CDDL HEADER in each
14*5c51f124SMoriah Waterland  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*5c51f124SMoriah Waterland  * If applicable, add the following below this CDDL HEADER, with the
16*5c51f124SMoriah Waterland  * fields enclosed by brackets "[]" replaced with your own identifying
17*5c51f124SMoriah Waterland  * information: Portions Copyright [yyyy] [name of copyright owner]
18*5c51f124SMoriah Waterland  *
19*5c51f124SMoriah Waterland  * CDDL HEADER END
20*5c51f124SMoriah Waterland  */
21*5c51f124SMoriah Waterland 
22*5c51f124SMoriah Waterland /*
23*5c51f124SMoriah Waterland  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
24*5c51f124SMoriah Waterland  * Use is subject to license terms.
25*5c51f124SMoriah Waterland  */
26*5c51f124SMoriah Waterland 
27*5c51f124SMoriah Waterland /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
28*5c51f124SMoriah Waterland /* All Rights Reserved */
29*5c51f124SMoriah Waterland 
30*5c51f124SMoriah Waterland 
31*5c51f124SMoriah Waterland #include <stdio.h>
32*5c51f124SMoriah Waterland #include <ctype.h>
33*5c51f124SMoriah Waterland #include <string.h>
34*5c51f124SMoriah Waterland #include <locale.h>
35*5c51f124SMoriah Waterland #include <libintl.h>
36*5c51f124SMoriah Waterland #include <stdlib.h>
37*5c51f124SMoriah Waterland #include <unistd.h>
38*5c51f124SMoriah Waterland #include <pkglib.h>
39*5c51f124SMoriah Waterland 
40*5c51f124SMoriah Waterland #define	COMMAND '!'
41*5c51f124SMoriah Waterland #define	LSIZE 256
42*5c51f124SMoriah Waterland 
43*5c51f124SMoriah Waterland #define	ERR_NOTROOT	"You must be \"root\" for %s to execute properly."
44*5c51f124SMoriah Waterland 
45*5c51f124SMoriah Waterland static void	usage(void);
46*5c51f124SMoriah Waterland static int	docmd(char *cmd, char *file, char *input);
47*5c51f124SMoriah Waterland 
48*5c51f124SMoriah Waterland int
49*5c51f124SMoriah Waterland main(int argc, char *argv[])
50*5c51f124SMoriah Waterland {
51*5c51f124SMoriah Waterland 	FILE	*fpout, *fp;
52*5c51f124SMoriah Waterland 	char	line[LSIZE],
53*5c51f124SMoriah Waterland 		*pt,
54*5c51f124SMoriah Waterland 		*keyword, 	/* keyword = install || remove */
55*5c51f124SMoriah Waterland 		*input, 	/* sed input file */
56*5c51f124SMoriah Waterland 		*cmd,
57*5c51f124SMoriah Waterland 		*srcfile, 	/* sed data file */
58*5c51f124SMoriah Waterland 		*destfile; 	/* target file to be updated */
59*5c51f124SMoriah Waterland 	int	flag;
60*5c51f124SMoriah Waterland 	char	*prog;
61*5c51f124SMoriah Waterland 
62*5c51f124SMoriah Waterland 	(void) setlocale(LC_ALL, "");
63*5c51f124SMoriah Waterland 
64*5c51f124SMoriah Waterland #if !defined(TEXT_DOMAIN)	/* Should be defined by cc -D */
65*5c51f124SMoriah Waterland #define	TEXT_DOMAIN "SYS_TEST"
66*5c51f124SMoriah Waterland #endif
67*5c51f124SMoriah Waterland 	(void) textdomain(TEXT_DOMAIN);
68*5c51f124SMoriah Waterland 
69*5c51f124SMoriah Waterland 	prog = set_prog_name(argv[0]);
70*5c51f124SMoriah Waterland 
71*5c51f124SMoriah Waterland 	if (getuid()) {
72*5c51f124SMoriah Waterland 		progerr(gettext(ERR_NOTROOT), prog);
73*5c51f124SMoriah Waterland 		exit(1);
74*5c51f124SMoriah Waterland 	}
75*5c51f124SMoriah Waterland 
76*5c51f124SMoriah Waterland 	if (argc != 5)
77*5c51f124SMoriah Waterland 		usage();
78*5c51f124SMoriah Waterland 
79*5c51f124SMoriah Waterland 	cmd = argv[1];
80*5c51f124SMoriah Waterland 	keyword = argv[2];
81*5c51f124SMoriah Waterland 	srcfile = argv[3];
82*5c51f124SMoriah Waterland 	destfile = argv[4];
83*5c51f124SMoriah Waterland 
84*5c51f124SMoriah Waterland 	srcfile = argv[3];
85*5c51f124SMoriah Waterland 	if ((fp = fopen(srcfile, "r")) == NULL) {
86*5c51f124SMoriah Waterland 		progerr(gettext("unable to open %s"), srcfile);
87*5c51f124SMoriah Waterland 		exit(1);
88*5c51f124SMoriah Waterland 	}
89*5c51f124SMoriah Waterland 
90*5c51f124SMoriah Waterland 	input = tempnam(NULL, "sedinp");
91*5c51f124SMoriah Waterland 	if ((fpout = fopen(input, "w")) == NULL) {
92*5c51f124SMoriah Waterland 		progerr(gettext("unable to open %s"), input);
93*5c51f124SMoriah Waterland 		exit(2);
94*5c51f124SMoriah Waterland 	}
95*5c51f124SMoriah Waterland 
96*5c51f124SMoriah Waterland 	flag = (-1);
97*5c51f124SMoriah Waterland 	while (fgets(line, LSIZE, fp)) {
98*5c51f124SMoriah Waterland 		for (pt = line; isspace(*pt); /* void */)
99*5c51f124SMoriah Waterland 			++pt;
100*5c51f124SMoriah Waterland 		if (*pt == '#')
101*5c51f124SMoriah Waterland 			continue;
102*5c51f124SMoriah Waterland 		if (*pt == COMMAND) {
103*5c51f124SMoriah Waterland 			if (flag > 0)
104*5c51f124SMoriah Waterland 				break; /* no more lines to read */
105*5c51f124SMoriah Waterland 			pt = strtok(pt+1, " \t\n");
106*5c51f124SMoriah Waterland 			if (!pt) {
107*5c51f124SMoriah Waterland 				progerr(gettext("null token after '!'"));
108*5c51f124SMoriah Waterland 				exit(1);
109*5c51f124SMoriah Waterland 			}
110*5c51f124SMoriah Waterland 			flag = (strcmp(pt, keyword) ? 0 : 1);
111*5c51f124SMoriah Waterland 		} else if (flag == 1) { /* bug # 1083359 */
112*5c51f124SMoriah Waterland 			(void) fputs(line, fpout);
113*5c51f124SMoriah Waterland 		}
114*5c51f124SMoriah Waterland 	}
115*5c51f124SMoriah Waterland 	(void) fclose(fpout);
116*5c51f124SMoriah Waterland 	if (flag > 0) {
117*5c51f124SMoriah Waterland 		if (docmd(cmd, destfile, input)) {
118*5c51f124SMoriah Waterland 			progerr(gettext("command failed <%s>"), cmd);
119*5c51f124SMoriah Waterland 			exit(1);
120*5c51f124SMoriah Waterland 		}
121*5c51f124SMoriah Waterland 	}
122*5c51f124SMoriah Waterland 	(void) unlink(input);
123*5c51f124SMoriah Waterland 	return (0);
124*5c51f124SMoriah Waterland }
125*5c51f124SMoriah Waterland 
126*5c51f124SMoriah Waterland static int
127*5c51f124SMoriah Waterland docmd(char *cmd, char *file, char *input)
128*5c51f124SMoriah Waterland {
129*5c51f124SMoriah Waterland 	char *tempout;
130*5c51f124SMoriah Waterland 	char command[256];
131*5c51f124SMoriah Waterland 
132*5c51f124SMoriah Waterland 	tempout = tempnam(NULL, "temp1");
133*5c51f124SMoriah Waterland 	if (!tempout)
134*5c51f124SMoriah Waterland 		return (-1);
135*5c51f124SMoriah Waterland 
136*5c51f124SMoriah Waterland 	(void) sprintf(command, "%s -f %s <%s >%s", cmd, input, file, tempout);
137*5c51f124SMoriah Waterland 	if (system(command))
138*5c51f124SMoriah Waterland 		return (-1);
139*5c51f124SMoriah Waterland 
140*5c51f124SMoriah Waterland 	(void) sprintf(command, "cp %s %s", tempout, file);
141*5c51f124SMoriah Waterland 	if (system(command))
142*5c51f124SMoriah Waterland 		return (-1);
143*5c51f124SMoriah Waterland 
144*5c51f124SMoriah Waterland 	(void) unlink(tempout);
145*5c51f124SMoriah Waterland 	free(tempout);
146*5c51f124SMoriah Waterland 	return (0);
147*5c51f124SMoriah Waterland }
148*5c51f124SMoriah Waterland 
149*5c51f124SMoriah Waterland static void
150*5c51f124SMoriah Waterland usage(void)
151*5c51f124SMoriah Waterland {
152*5c51f124SMoriah Waterland 	(void) fprintf(stderr, gettext("usage: %s cmd keyword src dest\n"),
153*5c51f124SMoriah Waterland 	    get_prog_name());
154*5c51f124SMoriah Waterland 	exit(2);
155*5c51f124SMoriah Waterland }
156