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applying jim bauer's patch to eliminate modprobe's dependency

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on /bin/sh.  bug #8.
     0000008: modprobe applet is dependent on having a shell
This commit is contained in:
Paul Fox 2005-08-04 18:33:36 +00:00
parent 157e8071be
commit 8eeb655661
2 changed files with 54 additions and 13 deletions
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3
AUTHORS
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@ -29,6 +29,9 @@ Jeff Angielski <jeff@theptrgroup.com>
Enrik Berkhan <Enrik.Berkhan@inka.de> Enrik Berkhan <Enrik.Berkhan@inka.de>
setconsole setconsole
Jim Bauer <jfbauer@nfr.com>
modprobe shell dependency
Edward Betts <edward@debian.org> Edward Betts <edward@debian.org>
expr, hostid, logname, whoami expr, hostid, logname, whoami

64
modutils/modprobe.c
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@ -4,6 +4,7 @@
* *
* Copyright (c) 2002 by Robert Griebl, griebl@gmx.de * Copyright (c) 2002 by Robert Griebl, griebl@gmx.de
* Copyright (c) 2003 by Andrew Dennison, andrew.dennison@motec.com.au * Copyright (c) 2003 by Andrew Dennison, andrew.dennison@motec.com.au
* Copyright (c) 2005 by Jim Bauer, jfbauer@nfr.com
* *
* This program is free software; you can redistribute it and/or modify * This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by * it under the terms of the GNU General Public License as published by
@ -22,6 +23,8 @@
*/ */
#include <sys/utsname.h> #include <sys/utsname.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <getopt.h> #include <getopt.h>
#include <stdlib.h> #include <stdlib.h>
#include <unistd.h> #include <unistd.h>
@ -393,30 +396,65 @@ static int already_loaded (const char *name)
static int mod_process ( struct mod_list_t *list, int do_insert ) static int mod_process ( struct mod_list_t *list, int do_insert )
{ {
char lcmd [4096];
int rc = 0; int rc = 0;
char *argv[10];
int argc;
while ( list ) { while ( list ) {
*lcmd = '\0'; argc = 0;
if ( do_insert ) { if ( do_insert ) {
if (already_loaded (list->m_name) != 1) if (already_loaded (list->m_name) != 1) {
snprintf ( lcmd, sizeof( lcmd ) - 1, "insmod %s %s %s %s %s", argv[argc++] = "insmod";
do_syslog ? "-s" : "", autoclean ? "-k" : "", if (do_syslog)
quiet ? "-q" : "", list-> m_path, list-> m_options ? argv[argc++] = "-s";
list-> m_options : "" ); if (autoclean)
argv[argc++] = "-k";
if (quiet)
argv[argc++] = "-q";
argv[argc++] = list-> m_path;
if (list-> m_options)
argv[argc++] = list-> m_options;
}
} else { } else {
/* modutils uses short name for removal */ /* modutils uses short name for removal */
if (already_loaded (list->m_name) != 0) if (already_loaded (list->m_name) != 0) {
snprintf ( lcmd, sizeof( lcmd ) - 1, "rmmod %s %s", argv[argc++] = "rmmod";
do_syslog ? "-s" : "", list-> m_name ); if (do_syslog)
argv[argc++] = "-s";
argv[argc++] = list->m_name;
}
} }
argv[argc] = NULL;
if (*lcmd) { if (argc) {
if (verbose) { if (verbose) {
printf("%s\n", lcmd); int i;
for (i=0; i<argc; i++)
printf("%s ", argv[i]);
printf("\n");
} }
if (!show_only) { if (!show_only) {
int rc2 = system(lcmd); int rc2 = 0;
int status;
switch (fork()) {
case -1:
rc2 = 1;
break;
case 0: //child
execvp(argv[0], argv);
bb_perror_msg_and_die("exec of %s", argv[0]);
/* NOTREACHED */
default:
if (wait(&status) == -1) {
rc2 = 1;
break;
}
if (WIFEXITED(status))
rc2 = WEXITSTATUS(status);
if (WIFSIGNALED(status))
rc2 = WTERMSIG(status);
break;
}
if (do_insert) { if (do_insert) {
rc = rc2; /* only last module matters */ rc = rc2; /* only last module matters */
} }