mirror of
https://github.com/sheumann/hush.git
synced 2024-07-07 10:28:56 +00:00
c9c1a41c58
untangle them: Rewrite u_signal_names() into get_signum() and get_signame(), plus trim the signal list to that required by posix (they can specify the numbers for the rest if they really need them). (This is preparatory cleanup for adding a timeout applet like Roberto Foglietta wants.) Export the itoa (added due to Denis Vlasenko, although it's not quite his preferred implementation) from xfuncs.c so it's actually used, and remove several other redundant implementations of itoa and utoa() in the tree.
140 lines
2.8 KiB
C
140 lines
2.8 KiB
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* Mini kill/killall implementation for busybox
|
|
*
|
|
* Copyright (C) 1995, 1996 by Bruce Perens <bruce@pixar.com>.
|
|
* Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
|
|
*
|
|
* Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
|
|
*/
|
|
|
|
#include "busybox.h"
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <errno.h>
|
|
#include <unistd.h>
|
|
#include <signal.h>
|
|
#include <ctype.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
int kill_main(int argc, char **argv)
|
|
{
|
|
int killall, signo = SIGTERM, errors = 0, quiet=0;
|
|
|
|
killall = (ENABLE_KILLALL && bb_applet_name[4]=='a') ? 1 : 0;
|
|
|
|
/* Parse any options */
|
|
if (argc < 2)
|
|
bb_show_usage();
|
|
|
|
if(argv[1][0] != '-'){
|
|
argv++;
|
|
argc--;
|
|
goto do_it_now;
|
|
}
|
|
|
|
/* The -l option, which prints out signal names. */
|
|
if(argv[1][1]=='l' && argv[1][2]=='\0'){
|
|
if(argc==2) {
|
|
/* Print the whole signal list */
|
|
int col = 0;
|
|
|
|
for(signo = 0;;) {
|
|
char *name = get_signame(++signo);
|
|
if (isdigit(*name)) break;
|
|
|
|
if (col > 60) {
|
|
printf("\n");
|
|
col = 0;
|
|
}
|
|
col += printf("%2d) %-16s", signo, name);
|
|
}
|
|
printf("\n");
|
|
} else {
|
|
for(argv++; *argv; argv++) {
|
|
char *name;
|
|
|
|
if (isdigit(**argv)) name = get_signame(atoi(*argv));
|
|
else {
|
|
int temp = get_signum(*argv);
|
|
if (temp<0)
|
|
bb_error_msg_and_die("unknown signal %s", *argv);
|
|
name = get_signame(temp);
|
|
}
|
|
puts(name);
|
|
}
|
|
}
|
|
/* If they specified -l, were all done */
|
|
return EXIT_SUCCESS;
|
|
}
|
|
|
|
/* The -q quiet option */
|
|
if(killall && argv[1][1]=='q' && argv[1][2]=='\0'){
|
|
quiet++;
|
|
argv++;
|
|
argc--;
|
|
if(argc<2 || argv[1][0] != '-'){
|
|
goto do_it_now;
|
|
}
|
|
}
|
|
|
|
if(0>(signo = get_signum(argv[1]+1)))
|
|
bb_error_msg_and_die( "bad signal name '%s'", argv[1]+1);
|
|
argv+=2;
|
|
argc-=2;
|
|
|
|
do_it_now:
|
|
|
|
/* Pid or name required */
|
|
if (argc <= 0)
|
|
bb_show_usage();
|
|
|
|
if (!killall) {
|
|
/* Looks like they want to do a kill. Do that */
|
|
while (--argc >= 0) {
|
|
int pid;
|
|
|
|
if (!isdigit(**argv) && **argv != '-')
|
|
bb_error_msg_and_die( "Bad PID '%s'", *argv);
|
|
pid = strtol(*argv, NULL, 0);
|
|
if (kill(pid, signo) != 0) {
|
|
bb_perror_msg( "Could not kill pid '%d'", pid);
|
|
errors++;
|
|
}
|
|
argv++;
|
|
}
|
|
|
|
} else {
|
|
pid_t myPid=getpid();
|
|
|
|
/* Looks like they want to do a killall. Do that */
|
|
while (--argc >= 0) {
|
|
long* pidList;
|
|
|
|
pidList = find_pid_by_name(*argv);
|
|
if (!pidList || *pidList<=0) {
|
|
errors++;
|
|
if (quiet==0)
|
|
bb_error_msg( "%s: no process killed", *argv);
|
|
} else {
|
|
long *pl;
|
|
|
|
for(pl = pidList; *pl !=0 ; pl++) {
|
|
if (*pl==myPid)
|
|
continue;
|
|
if (kill(*pl, signo) != 0) {
|
|
errors++;
|
|
if (quiet==0)
|
|
bb_perror_msg( "Could not kill pid '%ld'", *pl);
|
|
}
|
|
}
|
|
}
|
|
free(pidList);
|
|
argv++;
|
|
}
|
|
}
|
|
|
|
return errors;
|
|
}
|