diff options
| -rw-r--r-- | applets/busybox.c | 10 | ||||
| -rw-r--r-- | archival/tar.c | 2 | ||||
| -rw-r--r-- | busybox.c | 10 | ||||
| -rw-r--r-- | busybox.def.h | 3 | ||||
| -rw-r--r-- | chmod.c | 161 | ||||
| -rw-r--r-- | chown.c | 191 | ||||
| -rw-r--r-- | coreutils/chmod.c | 161 | ||||
| -rw-r--r-- | coreutils/chown.c | 191 | ||||
| -rw-r--r-- | internal.h | 4 | ||||
| -rw-r--r-- | tar.c | 2 |
10 files changed, 528 insertions, 207 deletions
diff --git a/applets/busybox.c b/applets/busybox.c index 0892e84..561aa01 100644 --- a/applets/busybox.c +++ b/applets/busybox.c @@ -16,12 +16,10 @@ static const struct Applet applets[] = { #ifdef BB_CAT //bin {"cat", cat_more_main}, #endif -#ifdef BB_CHMOD //bin - {"chmod", chmod_main}, -#endif -#ifdef BB_CHOWN //bin - {"chown", chown_main}, - {"chgrp", chown_main}, +#ifdef BB_CHMOD_CHOWN_CHGRP //bin + {"chmod", chmod_chown_chgrp_main}, + {"chown", chmod_chown_chgrp_main}, + {"chgrp", chmod_chown_chgrp_main}, #endif #ifdef BB_CHROOT //sbin {"chroot", chroot_main}, diff --git a/archival/tar.c b/archival/tar.c index a5a0fab..ff60f06 100644 --- a/archival/tar.c +++ b/archival/tar.c @@ -844,7 +844,7 @@ static void saveDirectory (const char *dirName, const struct stat *statbuf) DIR *dir; struct dirent *entry; int needSlash; - char fullName[PATH_LEN]; + char fullName[NAME_MAX]; /* * Construct the directory name as used in the tar file by appending @@ -16,12 +16,10 @@ static const struct Applet applets[] = { #ifdef BB_CAT //bin {"cat", cat_more_main}, #endif -#ifdef BB_CHMOD //bin - {"chmod", chmod_main}, -#endif -#ifdef BB_CHOWN //bin - {"chown", chown_main}, - {"chgrp", chown_main}, +#ifdef BB_CHMOD_CHOWN_CHGRP //bin + {"chmod", chmod_chown_chgrp_main}, + {"chown", chmod_chown_chgrp_main}, + {"chgrp", chmod_chown_chgrp_main}, #endif #ifdef BB_CHROOT //sbin {"chroot", chroot_main}, diff --git a/busybox.def.h b/busybox.def.h index 090bd7e..ae9945d 100644 --- a/busybox.def.h +++ b/busybox.def.h @@ -6,8 +6,7 @@ //#define BB_BLOCK_DEVICE #define BB_BUSYBOX #define BB_CAT -//#define BB_CHMOD -#define BB_CHOWN +#define BB_CHMOD_CHOWN_CHGRP #define BB_CHROOT #define BB_CLEAR #define BB_CP @@ -1,41 +1,54 @@ -#include <stdlib.h> +/* + * Mini chmod implementation for busybox + * + * Copyright (C) 1998 by Erik Andersen <andersee@debian.org> + * + * 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> -#include <unistd.h> -#include <sys/stat.h> +#include <grp.h> +#include <pwd.h> #include "internal.h" -const char chmod_usage[] = "chmod [-R] mode file [file ...]\n" -"\nmode may be an octal integer representing the bit pattern for the\n" -"\tnew mode, or a symbolic value matching the pattern\n" -"\t[ugoa]{+|-|=}[rwxst] .\n" -"\t\tu:\tUser\n" -"\t\tg:\tGroup\n" -"\t\to:\tOthers\n" -"\t\ta:\tAll\n" -"\n" -"\n+:\tAdd privilege\n" -"\n-:\tRemove privilege\n" -"\n=:\tSet privilege\n" -"\n" -"\t\tr:\tRead\n" -"\t\tw:\tWrite\n" -"\t\tx:\tExecute\n" -"\t\ts:\tSet User ID\n" -"\t\tt:\t\"Sticky\" Text\n" -"\n" -"\tModes may be concatenated, as in \"u=rwx,g=rx,o=rx,-t,-s\n" -"\n" -"\t-R:\tRecursively change the mode of all files and directories\n" -"\t\tunder the argument directory."; - -int -parse_mode( - const char * s -,mode_t * or -,mode_t * and -,int * group_execute) + +static mode_t mode=7777; + + +static const char chmod_usage[] = "[-R] MODE[,MODE]... FILE...\n" +"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"; + + + +static int fileAction(const char *fileName) +{ + struct stat statBuf; + if ((stat(fileName, &statBuf) < 0) || + (chmod(fileName, mode)) < 0) { + perror(fileName); + return( FALSE); + } + return( TRUE); +} + +/* [ugoa]{+|-|=}[rwxstl] */ +int parse_mode( const char* s, mode_t* or, mode_t* and, int* group_execute) { - /* [ugoa]{+|-|=}[rwxstl] */ mode_t mode = 0; mode_t groups = S_ISVTX; char type; @@ -45,7 +58,7 @@ parse_mode( for ( ; ; ) { switch ( c = *s++ ) { case '\0': - return -1; + return (FALSE); case 'u': groups |= S_ISUID|S_IRWXU; continue; @@ -69,10 +82,10 @@ parse_mode( if ( c >= '0' && c <= '7' && mode == 0 && groups == S_ISVTX ) { *and = 0; *or = strtol(--s, 0, 010); - return 0; + return (TRUE); } else - return -1; + return (FALSE); } break; } @@ -93,7 +106,7 @@ parse_mode( case 's': if ( group_execute != 0 && (groups & S_IRWXG) ) { if ( *group_execute < 0 ) - return -1; + return (FALSE); if ( type != '-' ) { mode |= S_IXGRP; *group_execute = 1; @@ -103,7 +116,7 @@ parse_mode( continue; case 'l': if ( *group_execute > 0 ) - return -1; + return (FALSE); if ( type != '-' ) { *and &= ~S_IXGRP; *group_execute = -1; @@ -115,7 +128,7 @@ parse_mode( mode |= S_ISVTX; continue; default: - return -1; + return (FALSE); } break; } @@ -132,32 +145,54 @@ parse_mode( break; } } while ( c == ',' ); - return 0; + return (TRUE); } -extern int -chmod_main(struct FileInfo * i, int argc, char * * argv) + +int chmod_main(int argc, char **argv) { - i->andWithMode = S_ISVTX|S_ISUID|S_ISGID|S_IRWXU|S_IRWXG|S_IRWXO; - i->orWithMode = 0; - - while ( argc >= 3 ) { - if ( parse_mode(argv[1], &i->orWithMode, &i->andWithMode, 0) - == 0 ) { - argc--; - argv++; - } - else if ( strcmp(argv[1], "-R") == 0 ) { - i->recursive = 1; - argc--; - argv++; - } - else - break; - } + int recursiveFlag=FALSE; + mode_t andWithMode = S_ISVTX|S_ISUID|S_ISGID|S_IRWXU|S_IRWXG|S_IRWXO; + mode_t orWithMode = 0; + char *invocationName=*argv; - i->changeMode = 1; - i->complainInPostProcess = 1; + if (argc < 3) { + fprintf(stderr, "Usage: %s %s", invocationName, chmod_usage); + exit( FALSE); + } + 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++; + } + + /* Find the selected group */ + if ( parse_mode(*argv, &orWithMode, &andWithMode, 0) == FALSE ) { + fprintf(stderr, "%s: Unknown mode: %s\n", invocationName, *argv); + exit( FALSE); + } + mode &= andWithMode; + mode |= orWithMode; - return monadic_main(i, argc, argv); + /* 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); } @@ -1,5 +1,5 @@ /* - * Mini chown/chgrp implementation for busybox + * Mini chown/chmod/chgrp implementation for busybox * * Copyright (C) 1998 by Erik Andersen <andersee@debian.org> * @@ -27,33 +27,150 @@ static int uid=-1; static int gid=0; -static int chownApp; +static int whichApp; static char* invocationName=NULL; +static mode_t mode=7777; +#define CHGRP_APP 1 +#define CHOWN_APP 2 +#define CHMOD_APP 3 + static const char chgrp_usage[] = "[OPTION]... GROUP FILE...\n" "Change the group membership of each FILE to GROUP.\n" "\n\tOptions:\n" "\t-R\tchange files and directories recursively\n"; static const char chown_usage[] = "[OPTION]... OWNER[.[GROUP] FILE...\n" "Change the owner and/or group of each FILE to OWNER and/or GROUP.\n" "\n\tOptions:\n" "\t-R\tchange files and directories recursively\n"; +static const char chmod_usage[] = "[-R] MODE[,MODE]... FILE...\n" +"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"; static int fileAction(const char *fileName) { struct stat statBuf; - if ((stat(fileName, &statBuf) < 0) || - (chown(fileName, - ((chownApp==TRUE)? uid: statBuf.st_uid), - gid) < 0)) { - perror(fileName); - return( FALSE); + if (stat(fileName, &statBuf) < 0) { + switch (whichApp) { + case CHGRP_APP: + case CHOWN_APP: + if (chown(fileName, ((whichApp==CHOWN_APP)? uid: statBuf.st_uid), gid) < 0) + return( TRUE); + case CHMOD_APP: + if (chmod(fileName, mode)) + return( TRUE); + } } - return( TRUE); + perror(fileName); + return( FALSE); } -int chown_main(int argc, char **argv) +/* [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 { + 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; + 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; @@ -61,11 +178,11 @@ int chown_main(int argc, char **argv) char *groupName; - chownApp = (strcmp(*argv, "chown")==0)? TRUE : FALSE; + whichApp = (strcmp(*argv, "chown")==0)? CHOWN_APP : (strcmp(*argv, "chmod")==0)? CHMOD_APP : CHGRP_APP; if (argc < 2) { fprintf(stderr, "Usage: %s %s", *argv, - (chownApp==TRUE)? chown_usage : chgrp_usage); + (whichApp==TRUE)? chown_usage : chgrp_usage); exit( FALSE); } invocationName=*argv; @@ -86,29 +203,40 @@ int chown_main(int argc, char **argv) argv++; } - /* Find the selected group */ - groupName = strchr(*argv, '.'); - if ( chownApp==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; + 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 user (if appropriate) */ - if (chownApp==TRUE) { - pwd = getpwnam(*argv); - if (pwd == NULL) { - fprintf(stderr, "%s: Unknown user name: %s\n", invocationName, *argv); + /* 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); } - uid = pwd->pw_uid; - } + 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); @@ -120,3 +248,4 @@ int chown_main(int argc, char **argv) } exit(TRUE); } + diff --git a/coreutils/chmod.c b/coreutils/chmod.c index 225c92d..9f84d0d 100644 --- a/coreutils/chmod.c +++ b/coreutils/chmod.c @@ -1,41 +1,54 @@ -#include <stdlib.h> +/* + * Mini chmod implementation for busybox + * + * Copyright (C) 1998 by Erik Andersen <andersee@debian.org> + * + * 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> -#include <unistd.h> -#include <sys/stat.h> +#include <grp.h> +#include <pwd.h> #include "internal.h" -const char chmod_usage[] = "chmod [-R] mode file [file ...]\n" -"\nmode may be an octal integer representing the bit pattern for the\n" -"\tnew mode, or a symbolic value matching the pattern\n" -"\t[ugoa]{+|-|=}[rwxst] .\n" -"\t\tu:\tUser\n" -"\t\tg:\tGroup\n" -"\t\to:\tOthers\n" -"\t\ta:\tAll\n" -"\n" -"\n+:\tAdd privilege\n" -"\n-:\tRemove privilege\n" -"\n=:\tSet privilege\n" -"\n" -"\t\tr:\tRead\n" -"\t\tw:\tWrite\n" -"\t\tx:\tExecute\n" -"\t\ts:\tSet User ID\n" -"\t\tt:\t\"Sticky\" Text\n" -"\n" -"\tModes may be concatenated, as in \"u=rwx,g=rx,o=rx,-t,-s\n" -"\n" -"\t-R:\tRecursively change the mode of all files and directories\n" -"\t\tunder the argument directory."; - -int -parse_mode( - const char * s -,mode_t * or -,mode_t * and -,int * group_execute) + +static mode_t mode=7777; + + +static const char chmod_usage[] = "[-R] MODE[,MODE]... FILE...\n" +"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"; + + + +static int fileAction(const char *fileName) +{ + struct stat statBuf; + if ((stat(fileName, &statBuf) < 0) || + (chmod(fileName, mode)) < 0) { + perror(fileName); + return( FALSE); + } + return( TRUE); +} + +/* [ugoa]{+|-|=}[rwxstl] */ +int parse_mode( const char* s, mode_t* or, mode_t* and, int* group_execute) { - /* [ugoa]{+|-|=}[rwxstl] */ mode_t mode = 0; mode_t groups = S_ISVTX; char type; @@ -45,7 +58,7 @@ parse_mode( for ( ; ; ) { switch ( c = *s++ ) { case '\0': - return -1; + return (FALSE); case 'u': groups |= S_ISUID|S_IRWXU; continue; @@ -69,10 +82,10 @@ parse_mode( if ( c >= '0' && c <= '7' && mode == 0 && groups == S_ISVTX ) { *and = 0; *or = strtol(--s, 0, 010); - return 0; + return (TRUE); } else - return -1; + return (FALSE); } break; } @@ -93,7 +106,7 @@ parse_mode( case 's': if ( group_execute != 0 && (groups & S_IRWXG) ) { if ( *group_execute < 0 ) - return -1; + return (FALSE); if ( type != '-' ) { mode |= S_IXGRP; *group_execute = 1; @@ -103,7 +116,7 @@ parse_mode( continue; case 'l': if ( *group_execute > 0 ) - return -1; + return (FALSE); if ( type != '-' ) { *and &= ~S_IXGRP; *group_execute = -1; @@ -115,7 +128,7 @@ parse_mode( mode |= S_ISVTX; continue; default: - return -1; + return (FALSE); } break; } @@ -132,32 +145,54 @@ parse_mode( break; } } while ( c == ',' ); - return 0; + return (TRUE); } -extern int -chmod_main(struct FileInfo * i, int argc, char * * argv) + +int chmod_main(int argc, char **argv) { - i->andWithMode = S_ISVTX|S_ISUID|S_ISGID|S_IRWXU|S_IRWXG|S_IRWXO; - i->orWithMode = 0; - - while ( argc >= 3 ) { - if ( parse_mode(argv[1], &i->orWithMode, &i->andWithMode, 0) - == 0 ) { - argc--; - argv++; - } - else if ( strcmp(argv[1], "-R") == 0 ) { - i->recursive = 1; - argc--; - argv++; - } - else - break; - } + int recursiveFlag=FALSE; + mode_t andWithMode = S_ISVTX|S_ISUID|S_ISGID|S_IRWXU|S_IRWXG|S_IRWXO; + mode_t orWithMode = 0; + char *invocationName=*argv; - i->changeMode = 1; - i->complainInPostProcess = 1; + if (argc < 3) { + fprintf(stderr, "Usage: %s %s", invocationName, chmod_usage); + exit( FALSE); + } + 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++; + } + + /* Find the selected group */ + if ( parse_mode(*argv, &orWithMode, &andWithMode, 0) == FALSE ) { + fprintf(stderr, "%s: Unknown mode: %s\n", invocationName, *argv); + exit( FALSE); + } + mode &= andWithMode; + mode |= orWithMode; - return monadic_main(i, argc, argv); + /* 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); } diff --git a/coreutils/chown.c b/coreutils/chown.c index 8d6cffa..76f3333 100644 --- a/coreutils/chown.c +++ b/coreutils/chown.c @@ -1,5 +1,5 @@ /* - * Mini chown/chgrp implementation for busybox + * Mini chown/chmod/chgrp implementation for busybox * * Copyright (C) 1998 by Erik Andersen <andersee@debian.org> * @@ -27,33 +27,150 @@ static int uid=-1; static int gid=0; -static int chownApp; +static int whichApp; static char* invocationName=NULL; +static mode_t mode=7777; +#define CHGRP_APP 1 +#define CHOWN_APP 2 +#define CHMOD_APP 3 + static const char chgrp_usage[] = "[OPTION]... GROUP FILE...\n" "Change the group membership of each FILE to GROUP.\n" "\n\tOptions:\n" "\t-R\tchange files and directories recursively\n"; static const char chown_usage[] = "[OPTION]... OWNER[.[GROUP] FILE...\n" "Change the owner and/or group of each FILE to OWNER and/or GROUP.\n" "\n\tOptions:\n" "\t-R\tchange files and directories recursively\n"; +static const char chmod_usage[] = "[-R] MODE[,MODE]... FILE...\n" +"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"; static int fileAction(const char *fileName) { struct stat statBuf; - if ((stat(fileName, &statBuf) < 0) || - (chown(fileName, - ((chownApp==TRUE)? uid: statBuf.st_uid), - gid) < 0)) { - perror(fileName); - return( FALSE); + if (stat(fileName, &statBuf) < 0) { + switch (whichApp) { + case CHGRP_APP: + case CHOWN_APP: + if (chown(fileName, ((whichApp==CHOWN_APP)? uid: statBuf.st_uid), gid) < 0) + return( TRUE); + case CHMOD_APP: + if (chmod(fileName, mode)) + return( TRUE); + } } - return( TRUE); + perror(fileName); + return( FALSE); } -int chown_main(int argc, char **argv) +/* [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 { + 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; + 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; @@ -61,11 +178,11 @@ int chown_main(int argc, char **argv) char *groupName; - chownApp = (strcmp(*argv, "chown")==0)? TRUE : FALSE; + whichApp = (strcmp(*argv, "chown")==0)? CHOWN_APP : (strcmp(*argv, "chmod")==0)? CHMOD_APP : CHGRP_APP; if (argc < 2) { fprintf(stderr, "Usage: %s %s", *argv, - (chownApp==TRUE)? chown_usage : chgrp_usage); + (whichApp==TRUE)? chown_usage : chgrp_usage); exit( FALSE); } invocationName=*argv; @@ -86,29 +203,40 @@ int chown_main(int argc, char **argv) argv++; } - /* Find the selected group */ - groupName = strchr(*argv, '.'); - if ( chownApp==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; + 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 user (if appropriate) */ - if (chownApp==TRUE) { - pwd = getpwnam(*argv); - if (pwd == NULL) { - fprintf(stderr, "%s: Unknown user name: %s\n", invocationName, *argv); + /* 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); } - uid = pwd->pw_uid; - } + 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); @@ -120,3 +248,4 @@ int chown_main(int argc, char **argv) } exit(TRUE); } + @@ -59,9 +59,7 @@ extern int block_device_main(int argc, char** argv); extern int cat_more_main(int argc, char** argv); extern int more_main(int argc, char** argv); extern int cp_main(int argc, char** argv); -extern int chgrp_main(int argc, char** argv); -extern int chmod_main(int argc, char** argv); -extern int chown_main(int argc, char** argv); +extern int chmod_chown_chgrp_main(int argc, char** argv); extern int chroot_main(int argc, char** argv); extern int clear_main(int argc, char** argv); extern int date_main(int argc, char** argv); @@ -844,7 +844,7 @@ static void saveDirectory (const char *dirName, const struct stat *statbuf) DIR *dir; struct dirent *entry; int needSlash; - char fullName[PATH_LEN]; + char fullName[NAME_MAX]; /* * Construct the directory name as used in the tar file by appending |