Combined stuff
This commit is contained in:
Eric Andersen
parent
1b61f41f57
commit
305a73f5ea
198
chmod.c
198
chmod.c
@ -1,198 +0,0 @@
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/*
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* Mini chmod implementation for busybox
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*
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* Copyright (C) 1998 by Erik Andersen <andersee@debian.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include <stdio.h>
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#include <grp.h>
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#include <pwd.h>
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#include "internal.h"
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static mode_t mode=7777;
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static const char chmod_usage[] = "[-R] MODE[,MODE]... FILE...\n"
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"Each MODE is one or more of the letters ugoa, one of the symbols +-= and\n"
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"one or more of the letters rwxst.\n\n"
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"\t-R\tchange files and directories recursively.\n";
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static int fileAction(const char *fileName)
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{
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struct stat statBuf;
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if ((stat(fileName, &statBuf) < 0) ||
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(chmod(fileName, mode)) < 0) {
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perror(fileName);
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return( FALSE);
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}
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return( TRUE);
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}
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/* [ugoa]{+|-|=}[rwxstl] */
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int parse_mode( const char* s, mode_t* or, mode_t* and, int* group_execute)
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{
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mode_t mode = 0;
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mode_t groups = S_ISVTX;
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char type;
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char c;
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do {
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for ( ; ; ) {
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switch ( c = *s++ ) {
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case '\0':
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return (FALSE);
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case 'u':
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groups |= S_ISUID|S_IRWXU;
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continue;
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case 'g':
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groups |= S_ISGID|S_IRWXG;
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continue;
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case 'o':
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groups |= S_IRWXO;
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continue;
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case 'a':
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groups |= S_ISUID|S_ISGID|S_IRWXU|S_IRWXG|S_IRWXO;
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continue;
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case '+':
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case '=':
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case '-':
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type = c;
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if ( groups == S_ISVTX ) /* The default is "all" */
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groups |= S_ISUID|S_ISGID|S_IRWXU|S_IRWXG|S_IRWXO;
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break;
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default:
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if ( c >= '0' && c <= '7' && mode == 0 && groups == S_ISVTX ) {
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*and = 0;
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*or = strtol(--s, 0, 010);
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return (TRUE);
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}
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else
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return (FALSE);
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}
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break;
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}
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while ( (c = *s++) != '\0' ) {
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switch ( c ) {
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case ',':
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break;
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case 'r':
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mode |= S_IRUSR|S_IRGRP|S_IROTH;
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continue;
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case 'w':
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mode |= S_IWUSR|S_IWGRP|S_IWOTH;
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continue;
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case 'x':
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mode |= S_IXUSR|S_IXGRP|S_IXOTH;
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continue;
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case 's':
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if ( group_execute != 0 && (groups & S_IRWXG) ) {
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if ( *group_execute < 0 )
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return (FALSE);
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if ( type != '-' ) {
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mode |= S_IXGRP;
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*group_execute = 1;
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}
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}
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mode |= S_ISUID|S_ISGID;
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continue;
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case 'l':
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if ( *group_execute > 0 )
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return (FALSE);
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if ( type != '-' ) {
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*and &= ~S_IXGRP;
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*group_execute = -1;
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}
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mode |= S_ISGID;
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groups |= S_ISGID;
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continue;
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case 't':
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mode |= S_ISVTX;
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continue;
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default:
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return (FALSE);
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}
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break;
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}
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switch ( type ) {
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case '=':
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*and &= ~(groups);
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/* fall through */
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case '+':
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*or |= mode & groups;
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break;
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case '-':
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*and &= ~(mode & groups);
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*or &= *and;
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break;
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}
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} while ( c == ',' );
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return (TRUE);
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}
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int chmod_main(int argc, char **argv)
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{
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int recursiveFlag=FALSE;
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mode_t andWithMode = S_ISVTX|S_ISUID|S_ISGID|S_IRWXU|S_IRWXG|S_IRWXO;
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mode_t orWithMode = 0;
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char *invocationName=*argv;
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if (argc < 3) {
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fprintf(stderr, "Usage: %s %s", invocationName, chmod_usage);
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exit( FALSE);
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}
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argc--;
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argv++;
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/* Parse options */
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while (**argv == '-') {
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while (*++(*argv)) switch (**argv) {
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case 'R':
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recursiveFlag = TRUE;
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break;
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default:
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fprintf(stderr, "Unknown option: %c\n", **argv);
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exit( FALSE);
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}
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argc--;
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argv++;
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}
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/* Find the selected group */
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if ( parse_mode(*argv, &orWithMode, &andWithMode, 0) == FALSE ) {
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fprintf(stderr, "%s: Unknown mode: %s\n", invocationName, *argv);
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exit( FALSE);
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}
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mode &= andWithMode;
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mode |= orWithMode;
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/* Ok, ready to do the deed now */
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if (argc <= 1) {
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fprintf(stderr, "%s: too few arguments", invocationName);
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exit( FALSE);
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}
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while (argc-- > 1) {
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argv++;
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recursiveAction( *argv, recursiveFlag, TRUE, fileAction, fileAction);
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}
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exit(TRUE);
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}
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@ -176,6 +176,8 @@ int chmod_chown_chgrp_main(int argc, char **argv)
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struct passwd *pwd;
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int recursiveFlag=FALSE;
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char *groupName;
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mode_t andWithMode = S_ISVTX|S_ISUID|S_ISGID|S_IRWXU|S_IRWXG|S_IRWXO;
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mode_t orWithMode = 0;
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whichApp = (strcmp(*argv, "chown")==0)? CHOWN_APP : (strcmp(*argv, "chmod")==0)? CHMOD_APP : CHGRP_APP;
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@ -1,198 +0,0 @@
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/*
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* Mini chmod implementation for busybox
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*
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* Copyright (C) 1998 by Erik Andersen <andersee@debian.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include <stdio.h>
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#include <grp.h>
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#include <pwd.h>
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#include "internal.h"
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static mode_t mode=7777;
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static const char chmod_usage[] = "[-R] MODE[,MODE]... FILE...\n"
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"Each MODE is one or more of the letters ugoa, one of the symbols +-= and\n"
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"one or more of the letters rwxst.\n\n"
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"\t-R\tchange files and directories recursively.\n";
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static int fileAction(const char *fileName)
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{
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struct stat statBuf;
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if ((stat(fileName, &statBuf) < 0) ||
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(chmod(fileName, mode)) < 0) {
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perror(fileName);
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return( FALSE);
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}
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return( TRUE);
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}
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/* [ugoa]{+|-|=}[rwxstl] */
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int parse_mode( const char* s, mode_t* or, mode_t* and, int* group_execute)
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{
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mode_t mode = 0;
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mode_t groups = S_ISVTX;
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char type;
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char c;
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do {
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for ( ; ; ) {
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switch ( c = *s++ ) {
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case '\0':
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return (FALSE);
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case 'u':
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groups |= S_ISUID|S_IRWXU;
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continue;
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case 'g':
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groups |= S_ISGID|S_IRWXG;
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continue;
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case 'o':
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groups |= S_IRWXO;
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continue;
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case 'a':
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groups |= S_ISUID|S_ISGID|S_IRWXU|S_IRWXG|S_IRWXO;
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continue;
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case '+':
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case '=':
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case '-':
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type = c;
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if ( groups == S_ISVTX ) /* The default is "all" */
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groups |= S_ISUID|S_ISGID|S_IRWXU|S_IRWXG|S_IRWXO;
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break;
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default:
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if ( c >= '0' && c <= '7' && mode == 0 && groups == S_ISVTX ) {
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*and = 0;
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*or = strtol(--s, 0, 010);
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return (TRUE);
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}
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else
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return (FALSE);
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}
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break;
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}
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while ( (c = *s++) != '\0' ) {
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switch ( c ) {
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case ',':
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break;
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case 'r':
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mode |= S_IRUSR|S_IRGRP|S_IROTH;
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continue;
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case 'w':
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mode |= S_IWUSR|S_IWGRP|S_IWOTH;
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continue;
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case 'x':
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mode |= S_IXUSR|S_IXGRP|S_IXOTH;
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continue;
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case 's':
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if ( group_execute != 0 && (groups & S_IRWXG) ) {
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if ( *group_execute < 0 )
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return (FALSE);
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if ( type != '-' ) {
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mode |= S_IXGRP;
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*group_execute = 1;
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}
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}
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mode |= S_ISUID|S_ISGID;
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continue;
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case 'l':
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if ( *group_execute > 0 )
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return (FALSE);
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if ( type != '-' ) {
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*and &= ~S_IXGRP;
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*group_execute = -1;
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}
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mode |= S_ISGID;
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groups |= S_ISGID;
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continue;
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case 't':
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mode |= S_ISVTX;
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continue;
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default:
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return (FALSE);
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}
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break;
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}
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switch ( type ) {
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case '=':
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*and &= ~(groups);
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/* fall through */
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case '+':
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*or |= mode & groups;
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break;
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case '-':
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*and &= ~(mode & groups);
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*or &= *and;
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break;
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}
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} while ( c == ',' );
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return (TRUE);
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}
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int chmod_main(int argc, char **argv)
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{
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int recursiveFlag=FALSE;
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mode_t andWithMode = S_ISVTX|S_ISUID|S_ISGID|S_IRWXU|S_IRWXG|S_IRWXO;
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mode_t orWithMode = 0;
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char *invocationName=*argv;
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if (argc < 3) {
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fprintf(stderr, "Usage: %s %s", invocationName, chmod_usage);
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exit( FALSE);
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}
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argc--;
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argv++;
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/* Parse options */
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while (**argv == '-') {
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while (*++(*argv)) switch (**argv) {
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case 'R':
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recursiveFlag = TRUE;
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break;
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default:
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fprintf(stderr, "Unknown option: %c\n", **argv);
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exit( FALSE);
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}
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argc--;
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argv++;
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}
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/* Find the selected group */
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if ( parse_mode(*argv, &orWithMode, &andWithMode, 0) == FALSE ) {
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fprintf(stderr, "%s: Unknown mode: %s\n", invocationName, *argv);
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exit( FALSE);
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}
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mode &= andWithMode;
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mode |= orWithMode;
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/* Ok, ready to do the deed now */
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if (argc <= 1) {
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fprintf(stderr, "%s: too few arguments", invocationName);
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exit( FALSE);
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}
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while (argc-- > 1) {
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argv++;
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recursiveAction( *argv, recursiveFlag, TRUE, fileAction, fileAction);
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}
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exit(TRUE);
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}
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@ -1,251 +0,0 @@
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/*
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* Mini chown/chmod/chgrp implementation for busybox
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*
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* Copyright (C) 1998 by Erik Andersen <andersee@debian.org>
|
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*
|
||||
* 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
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
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#include <grp.h>
|
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#include <pwd.h>
|
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#include "internal.h"
|
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static int uid=-1;
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static int gid=0;
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static int whichApp;
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static char* invocationName=NULL;
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static mode_t mode=7777;
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#define CHGRP_APP 1
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#define CHOWN_APP 2
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#define CHMOD_APP 3
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static const char chgrp_usage[] = "[OPTION]... GROUP FILE...\n"
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"Change the group membership of each FILE to GROUP.\n"
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"\n\tOptions:\n" "\t-R\tchange files and directories recursively\n";
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static const char chown_usage[] = "[OPTION]... OWNER[.[GROUP] FILE...\n"
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"Change the owner and/or group of each FILE to OWNER and/or GROUP.\n"
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"\n\tOptions:\n" "\t-R\tchange files and directories recursively\n";
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static const char chmod_usage[] = "[-R] MODE[,MODE]... FILE...\n"
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"Each MODE is one or more of the letters ugoa, one of the symbols +-= and\n"
|
||||
"one or more of the letters rwxst.\n\n"
|
||||
"\t-R\tchange files and directories recursively.\n";
|
||||
|
||||
|
||||
|
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static int fileAction(const char *fileName)
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{
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struct stat statBuf;
|
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if (stat(fileName, &statBuf) < 0) {
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switch (whichApp) {
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case CHGRP_APP:
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case CHOWN_APP:
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if (chown(fileName, ((whichApp==CHOWN_APP)? uid: statBuf.st_uid), gid) < 0)
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return( TRUE);
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case CHMOD_APP:
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if (chmod(fileName, mode))
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return( TRUE);
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}
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}
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perror(fileName);
|
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return( FALSE);
|
||||
}
|
||||
|
||||
/* [ugoa]{+|-|=}[rwxstl] */
|
||||
int parse_mode( const char* s, mode_t* or, mode_t* and, int* group_execute)
|
||||
{
|
||||
mode_t mode = 0;
|
||||
mode_t groups = S_ISVTX;
|
||||
char type;
|
||||
char c;
|
||||
|
||||
do {
|
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for ( ; ; ) {
|
||||
switch ( c = *s++ ) {
|
||||
case '\0':
|
||||
return (FALSE);
|
||||
case 'u':
|
||||
groups |= S_ISUID|S_IRWXU;
|
||||
continue;
|
||||
case 'g':
|
||||
groups |= S_ISGID|S_IRWXG;
|
||||
continue;
|
||||
case 'o':
|
||||
groups |= S_IRWXO;
|
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continue;
|
||||
case 'a':
|
||||
groups |= S_ISUID|S_ISGID|S_IRWXU|S_IRWXG|S_IRWXO;
|
||||
continue;
|
||||
case '+':
|
||||
case '=':
|
||||
case '-':
|
||||
type = c;
|
||||
if ( groups == S_ISVTX ) /* The default is "all" */
|
||||
groups |= S_ISUID|S_ISGID|S_IRWXU|S_IRWXG|S_IRWXO;
|
||||
break;
|
||||
default:
|
||||
if ( c >= '0' && c <= '7' && mode == 0 && groups == S_ISVTX ) {
|
||||
*and = 0;
|
||||
*or = strtol(--s, 0, 010);
|
||||
return (TRUE);
|
||||
}
|
||||
else
|
||||
return (FALSE);
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
while ( (c = *s++) != '\0' ) {
|
||||
switch ( c ) {
|
||||
case ',':
|
||||
break;
|
||||
case 'r':
|
||||
mode |= S_IRUSR|S_IRGRP|S_IROTH;
|
||||
continue;
|
||||
case 'w':
|
||||
mode |= S_IWUSR|S_IWGRP|S_IWOTH;
|
||||
continue;
|
||||
case 'x':
|
||||
mode |= S_IXUSR|S_IXGRP|S_IXOTH;
|
||||
continue;
|
||||
case 's':
|
||||
if ( group_execute != 0 && (groups & S_IRWXG) ) {
|
||||
if ( *group_execute < 0 )
|
||||
return (FALSE);
|
||||
if ( type != '-' ) {
|
||||
mode |= S_IXGRP;
|
||||
*group_execute = 1;
|
||||
}
|
||||
}
|
||||
mode |= S_ISUID|S_ISGID;
|
||||
continue;
|
||||
case 'l':
|
||||
if ( *group_execute > 0 )
|
||||
return (FALSE);
|
||||
if ( type != '-' ) {
|
||||
*and &= ~S_IXGRP;
|
||||
*group_execute = -1;
|
||||
}
|
||||
mode |= S_ISGID;
|
||||
groups |= S_ISGID;
|
||||
continue;
|
||||
case 't':
|
||||
mode |= S_ISVTX;
|
||||
continue;
|
||||
default:
|
||||
return (FALSE);
|
||||
}
|
||||
break;
|
||||
}
|
||||
switch ( type ) {
|
||||
case '=':
|
||||
*and &= ~(groups);
|
||||
/* fall through */
|
||||
case '+':
|
||||
*or |= mode & groups;
|
||||
break;
|
||||
case '-':
|
||||
*and &= ~(mode & groups);
|
||||
*or &= *and;
|
||||
break;
|
||||
}
|
||||
} while ( c == ',' );
|
||||
return (TRUE);
|
||||
}
|
||||
|
||||
|
||||
int chmod_chown_chgrp_main(int argc, char **argv)
|
||||
{
|
||||
struct group *grp;
|
||||
struct passwd *pwd;
|
||||
int recursiveFlag=FALSE;
|
||||
char *groupName;
|
||||
|
||||
|
||||
whichApp = (strcmp(*argv, "chown")==0)? CHOWN_APP : (strcmp(*argv, "chmod")==0)? CHMOD_APP : CHGRP_APP;
|
||||
|
||||
if (argc < 2) {
|
||||
fprintf(stderr, "Usage: %s %s", *argv,
|
||||
(whichApp==TRUE)? chown_usage : chgrp_usage);
|
||||
exit( FALSE);
|
||||
}
|
||||
invocationName=*argv;
|
||||
argc--;
|
||||
argv++;
|
||||
|
||||
/* Parse options */
|
||||
while (**argv == '-') {
|
||||
while (*++(*argv)) switch (**argv) {
|
||||
case 'R':
|
||||
recursiveFlag = TRUE;
|
||||
break;
|
||||
default:
|
||||
fprintf(stderr, "Unknown option: %c\n", **argv);
|
||||
exit( FALSE);
|
||||
}
|
||||
argc--;
|
||||
argv++;
|
||||
}
|
||||
|
||||
if ( whichApp == CHMOD_APP ) {
|
||||
/* Find the specified modes */
|
||||
if ( parse_mode(*argv, &orWithMode, &andWithMode, 0) == FALSE ) {
|
||||
fprintf(stderr, "%s: Unknown mode: %s\n", invocationName, *argv);
|
||||
exit( FALSE);
|
||||
}
|
||||
mode &= andWithMode;
|
||||
mode |= orWithMode;
|
||||
} else {
|
||||
|
||||
/* Find the selected group */
|
||||
groupName = strchr(*argv, '.');
|
||||
if ( whichApp==TRUE && groupName )
|
||||
*groupName++ = '\0';
|
||||
else
|
||||
groupName = *argv;
|
||||
grp = getgrnam(groupName);
|
||||
if (grp == NULL) {
|
||||
fprintf(stderr, "%s: Unknown group name: %s\n", invocationName, groupName);
|
||||
exit( FALSE);
|
||||
}
|
||||
gid = grp->gr_gid;
|
||||
|
||||
/* Find the selected user (if appropriate) */
|
||||
if (whichApp==TRUE) {
|
||||
pwd = getpwnam(*argv);
|
||||
if (pwd == NULL) {
|
||||
fprintf(stderr, "%s: Unknown user name: %s\n", invocationName, *argv);
|
||||
exit( FALSE);
|
||||
}
|
||||
uid = pwd->pw_uid;
|
||||
}
|
||||
}
|
||||
|
||||
/* Ok, ready to do the deed now */
|
||||
if (argc <= 1) {
|
||||
fprintf(stderr, "%s: too few arguments", invocationName);
|
||||
exit( FALSE);
|
||||
}
|
||||
while (argc-- > 1) {
|
||||
argv++;
|
||||
recursiveAction( *argv, recursiveFlag, TRUE, fileAction, fileAction);
|
||||
}
|
||||
exit(TRUE);
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user