diff --git a/applets/busybox.c b/applets/busybox.c index f0258c36e..0892e84ec 100644 --- a/applets/busybox.c +++ b/applets/busybox.c @@ -199,12 +199,7 @@ int busybox_main(int argc, char **argv) argc--; argv++; - /* If we've already been here once, exit now */ - if (been_there_done_that == 1) - return -1; - been_there_done_that = 1; - - if (argc < 1) { + if (been_there_done_that == 1 || argc < 1) { const struct Applet *a = applets; fprintf(stderr, "BusyBox v%s (%s) multi-call binary -- GPL2\n", BB_VER, BB_BT); @@ -224,6 +219,9 @@ int busybox_main(int argc, char **argv) } fprintf(stderr, "\n\n"); exit(-1); - } else + } else { + /* If we've already been here once, exit now */ + been_there_done_that = 1; return (main(argc, argv)); + } } diff --git a/block_device.c b/block_device.c deleted file mode 100644 index 87e7209c0..000000000 --- a/block_device.c +++ /dev/null @@ -1,64 +0,0 @@ -#include "internal.h" -#include -#include -#include - -const char block_device_usage[] = "block_device mount-point"; - -static dev_t *my_device; -static char *my_device_name; - -int -match_mount(const struct FileInfo * i) { - if ( S_ISBLK(i->stat.st_mode) - && (i->stat.st_rdev == *my_device)) { - my_device_name=strdup(i->source); - return 1; - } else - return 0; -} - -extern int -block_device_main(struct FileInfo * i, int argc, char * * argv) -{ - char *device_name = block_device(argv[1],i); - if ( device_name == NULL ) - return -1; - printf("%s\n", device_name); - exit(0); -} - -char * block_device(const char *name, struct FileInfo *i) -{ - struct stat s; - char *buf; - int dinam=0; - - if ( stat(name, &s) ) return (char *) NULL; - if (!i) { - i=(struct FileInfo*)malloc(sizeof(struct FileInfo)); - dinam = 1; - } - memset((void *)i, 0, sizeof(struct FileInfo)); - my_device=(dev_t *)malloc(sizeof(dev_t)); - *my_device = s.st_dev; - my_device_name = NULL; - i->source = "/dev"; - i->stat = s; - i->processDirectoriesAfterTheirContents=1; - descend(i, match_mount); - if (dinam) free(i); - if ( my_device_name ) { - buf = strdup(my_device_name); - free(my_device); - free(my_device_name); - return buf; - } else { - fprintf( stderr - ,"Can't find special file for block device %d, %d.\n" - ,(int) *my_device >> 8 & 0xff - ,(int) *my_device & 0xff); - free(my_device); - return (char *) NULL; - } -} diff --git a/busybox.c b/busybox.c index f0258c36e..0892e84ec 100644 --- a/busybox.c +++ b/busybox.c @@ -199,12 +199,7 @@ int busybox_main(int argc, char **argv) argc--; argv++; - /* If we've already been here once, exit now */ - if (been_there_done_that == 1) - return -1; - been_there_done_that = 1; - - if (argc < 1) { + if (been_there_done_that == 1 || argc < 1) { const struct Applet *a = applets; fprintf(stderr, "BusyBox v%s (%s) multi-call binary -- GPL2\n", BB_VER, BB_BT); @@ -224,6 +219,9 @@ int busybox_main(int argc, char **argv) } fprintf(stderr, "\n\n"); exit(-1); - } else + } else { + /* If we've already been here once, exit now */ + been_there_done_that = 1; return (main(argc, argv)); + } } diff --git a/busybox.def.h b/busybox.def.h index 848783b9f..090bd7e7c 100644 --- a/busybox.def.h +++ b/busybox.def.h @@ -13,11 +13,9 @@ #define BB_CP #define BB_DATE #define BB_DD -//#define BB_DESCEND #define BB_DF #define BB_DMESG #define BB_DUTMP -//#define BB_DYADIC #define BB_FALSE //#define BB_FDFLUSH #define BB_FIND @@ -36,7 +34,6 @@ //#define BB_MKNOD ////#define BB_MKSWAP #define BB_MNC -//#define BB_MONADIC #define BB_MORE #define BB_MOUNT ////#define BB_MT diff --git a/chown.c b/chown.c index bcaeea38e..8d6cffa14 100644 --- a/chown.c +++ b/chown.c @@ -48,9 +48,9 @@ static int fileAction(const char *fileName) ((chownApp==TRUE)? uid: statBuf.st_uid), gid) < 0)) { perror(fileName); - return( TRUE); + return( FALSE); } - return( FALSE); + return( TRUE); } int chown_main(int argc, char **argv) diff --git a/coreutils/chown.c b/coreutils/chown.c index bcaeea38e..8d6cffa14 100644 --- a/coreutils/chown.c +++ b/coreutils/chown.c @@ -48,9 +48,9 @@ static int fileAction(const char *fileName) ((chownApp==TRUE)? uid: statBuf.st_uid), gid) < 0)) { perror(fileName); - return( TRUE); + return( FALSE); } - return( FALSE); + return( TRUE); } int chown_main(int argc, char **argv) diff --git a/coreutils/cp.c b/coreutils/cp.c index 4cdfc843b..94b4ab024 100644 --- a/coreutils/cp.c +++ b/coreutils/cp.c @@ -47,43 +47,9 @@ static int fileAction(const char *fileName) char newdestName[NAME_MAX]; strcpy(newdestName, destName); strcat(newdestName, fileName+(strlen(srcName))); - fprintf(stderr, "A: copying %s to %s\n", fileName, newdestName); return (copyFile(fileName, newdestName, preserveFlag, followLinks)); } -static int dirAction(const char *fileName) -{ - char newdestName[NAME_MAX]; - struct stat statBuf; - struct utimbuf times; - - strcpy(newdestName, destName); - strcat(newdestName, fileName+(strlen(srcName))); - if (stat(newdestName, &statBuf)) { - if (mkdir( newdestName, 0777777 ^ umask (0))) { - perror(newdestName); - return( FALSE); - } - } - else if (!S_ISDIR (statBuf.st_mode)) { - fprintf(stderr, "`%s' exists but is not a directory", newdestName); - return( FALSE); - } - if (preserveFlag==TRUE) { - /* Try to preserve premissions, but don't whine on failure */ - if (stat(newdestName, &statBuf)) { - perror(newdestName); - return( FALSE); - } - chmod(newdestName, statBuf.st_mode); - chown(newdestName, statBuf.st_uid, statBuf.st_gid); - times.actime = statBuf.st_atime; - times.modtime = statBuf.st_mtime; - utime(newdestName, ×); - } - return TRUE; -} - extern int cp_main(int argc, char **argv) { diff --git a/coreutils/df.c b/coreutils/df.c index 8cc93814b..a777d70f4 100644 --- a/coreutils/df.c +++ b/coreutils/df.c @@ -43,6 +43,50 @@ df(char* device, const char * mountPoint) return 0; } +/* + * Given a block device, find the mount table entry if that block device + * is mounted. + * + * Given any other file (or directory), find the mount table entry for its + * filesystem. + */ +extern struct mntent * +findMountPoint(const char* name, const char* table) +{ + struct stat s; + dev_t mountDevice; + FILE * mountTable; + struct mntent * mountEntry; + + if ( stat(name, &s) != 0 ) + return 0; + + if ( (s.st_mode & S_IFMT) == S_IFBLK ) + mountDevice = s.st_rdev; + else + mountDevice = s.st_dev; + + + if ( (mountTable = setmntent(table, "r")) == 0 ) + return 0; + + while ( (mountEntry = getmntent(mountTable)) != 0 ) { + if ( strcmp(name, mountEntry->mnt_dir) == 0 + || strcmp(name, mountEntry->mnt_fsname) == 0 ) /* String match. */ + break; + if ( stat(mountEntry->mnt_fsname, &s) == 0 + && s.st_rdev == mountDevice ) /* Match the device. */ + break; + if ( stat(mountEntry->mnt_dir, &s) == 0 + && s.st_dev == mountDevice ) /* Match the directory's mount point. */ + break; + } + endmntent(mountTable); + return mountEntry; +} + + + extern int df_main(int argc, char * * argv) { @@ -90,47 +134,3 @@ df_main(int argc, char * * argv) - -/* - * Given a block device, find the mount table entry if that block device - * is mounted. - * - * Given any other file (or directory), find the mount table entry for its - * filesystem. - */ -extern struct mntent * -findMountPoint(const char* name, const char* table) -{ - struct stat s; - dev_t mountDevice; - FILE * mountTable; - struct mntent * mountEntry; - - if ( stat(name, &s) != 0 ) - return 0; - - if ( (s.st_mode & S_IFMT) == S_IFBLK ) - mountDevice = s.st_rdev; - else - mountDevice = s.st_dev; - - - if ( (mountTable = setmntent(table, "r")) == 0 ) - return 0; - - while ( (mountEntry = getmntent(mountTable)) != 0 ) { - if ( strcmp(name, mountEntry->mnt_dir) == 0 - || strcmp(name, mountEntry->mnt_fsname) == 0 ) /* String match. */ - break; - if ( stat(mountEntry->mnt_fsname, &s) == 0 - && s.st_rdev == mountDevice ) /* Match the device. */ - break; - if ( stat(mountEntry->mnt_dir, &s) == 0 - && s.st_dev == mountDevice ) /* Match the directory's mount point. */ - break; - } - endmntent(mountTable); - return mountEntry; -} - - diff --git a/cp.c b/cp.c index 4cdfc843b..94b4ab024 100644 --- a/cp.c +++ b/cp.c @@ -47,43 +47,9 @@ static int fileAction(const char *fileName) char newdestName[NAME_MAX]; strcpy(newdestName, destName); strcat(newdestName, fileName+(strlen(srcName))); - fprintf(stderr, "A: copying %s to %s\n", fileName, newdestName); return (copyFile(fileName, newdestName, preserveFlag, followLinks)); } -static int dirAction(const char *fileName) -{ - char newdestName[NAME_MAX]; - struct stat statBuf; - struct utimbuf times; - - strcpy(newdestName, destName); - strcat(newdestName, fileName+(strlen(srcName))); - if (stat(newdestName, &statBuf)) { - if (mkdir( newdestName, 0777777 ^ umask (0))) { - perror(newdestName); - return( FALSE); - } - } - else if (!S_ISDIR (statBuf.st_mode)) { - fprintf(stderr, "`%s' exists but is not a directory", newdestName); - return( FALSE); - } - if (preserveFlag==TRUE) { - /* Try to preserve premissions, but don't whine on failure */ - if (stat(newdestName, &statBuf)) { - perror(newdestName); - return( FALSE); - } - chmod(newdestName, statBuf.st_mode); - chown(newdestName, statBuf.st_uid, statBuf.st_gid); - times.actime = statBuf.st_atime; - times.modtime = statBuf.st_mtime; - utime(newdestName, ×); - } - return TRUE; -} - extern int cp_main(int argc, char **argv) { diff --git a/descend.c b/descend.c deleted file mode 100644 index 9ada7b4fc..000000000 --- a/descend.c +++ /dev/null @@ -1,124 +0,0 @@ -#include "internal.h" -#include -#include -#include -#include - - -static int -noDots(const struct dirent * e) -{ - if ( e->d_name[0] == '.' - && (e->d_name[1] == '\0' - || (e->d_name[1] == '.' && e->d_name[2] == '\0')) ) - return 0; - else - return 1; -} - -extern int -descend( - struct FileInfo *oldInfo -,int (*function)(const struct FileInfo * i)) -{ - char pathname[1024]; - struct dirent * * names; - struct dirent * * n; - int length; - char * filename; - int status = 0; - int count; - - if ( *oldInfo->source == '\0' ) { - errno = EINVAL; - return -1; - } - - if ( oldInfo->stat.st_dev == 0 - && oldInfo->stat.st_ino == 0 - && oldInfo->stat.st_mode == 0 ) { - if ( lstat(oldInfo->source, &oldInfo->stat) != 0 ) - return -1; - oldInfo->isSymbolicLink = ((oldInfo->stat.st_mode & S_IFMT) == S_IFLNK); - - if ( oldInfo->isSymbolicLink ) - if ( stat(oldInfo->source, &oldInfo->stat) != 0 ) - memset((void *)&oldInfo->stat, 0, sizeof(oldInfo->stat)); - } - - if ( !oldInfo->processDirectoriesAfterTheirContents ) { - if ( function ) - status = (*function)(oldInfo); - if ( status == 0 ) - status = post_process(oldInfo); - } - - if ( (count = scandir(oldInfo->source, &names, noDots, alphasort)) < 0 ) - return -1; - - length = strlen(oldInfo->source); - if ( oldInfo->source[length-1] == '/' ) - length--; - - memcpy(pathname, oldInfo->source, length+1); - pathname[length] = '/'; - filename = &pathname[length+1]; - - n = names; - while ( count-- > 0 ) { - struct FileInfo i = *oldInfo; - - strcpy(filename, (*n)->d_name); - free(*n++); - - if ( lstat(pathname, &i.stat) != 0 && errno != ENOENT ) { - fprintf(stderr, "Can't stat %s: %s\n", pathname, strerror(errno)); - return -1; - } - i.isSymbolicLink = ((i.stat.st_mode & S_IFMT) == S_IFLNK); - - if ( i.isSymbolicLink ) - if ( stat(pathname, &i.stat) != 0 ) - memset((void *)&i.stat, 0, sizeof(i.stat)); - - i.source = pathname; - - if ( i.dyadic ) { - char d[1024]; - - i.destination = join_paths(d, i.destination, &i.source[i.directoryLength]); - } - else - i.destination = i.source; - - if ( !i.isSymbolicLink && (i.stat.st_mode & S_IFMT) == S_IFDIR ) - status = descend(&i, function); - else { - if ( function ) - status = (*function)(&i); - if ( status == 0 ) - status = post_process(&i); - } - - if ( !i.processDirectoriesAfterTheirContents - && status == 0 - && (i.stat.st_mode & S_IFMT) == S_IFDIR ) - descend(&i, function); - - if ( status != 0 && !i.force ) { - while ( count-- > 0 ) - free(*n++); - break; - } - } - free(names); - - if ( oldInfo->processDirectoriesAfterTheirContents ) { - if ( function ) - status = (*function)(oldInfo); - if ( status == 0 ) - status = post_process(oldInfo); - } - - return status; -} diff --git a/df.c b/df.c index 8cc93814b..a777d70f4 100644 --- a/df.c +++ b/df.c @@ -43,6 +43,50 @@ df(char* device, const char * mountPoint) return 0; } +/* + * Given a block device, find the mount table entry if that block device + * is mounted. + * + * Given any other file (or directory), find the mount table entry for its + * filesystem. + */ +extern struct mntent * +findMountPoint(const char* name, const char* table) +{ + struct stat s; + dev_t mountDevice; + FILE * mountTable; + struct mntent * mountEntry; + + if ( stat(name, &s) != 0 ) + return 0; + + if ( (s.st_mode & S_IFMT) == S_IFBLK ) + mountDevice = s.st_rdev; + else + mountDevice = s.st_dev; + + + if ( (mountTable = setmntent(table, "r")) == 0 ) + return 0; + + while ( (mountEntry = getmntent(mountTable)) != 0 ) { + if ( strcmp(name, mountEntry->mnt_dir) == 0 + || strcmp(name, mountEntry->mnt_fsname) == 0 ) /* String match. */ + break; + if ( stat(mountEntry->mnt_fsname, &s) == 0 + && s.st_rdev == mountDevice ) /* Match the device. */ + break; + if ( stat(mountEntry->mnt_dir, &s) == 0 + && s.st_dev == mountDevice ) /* Match the directory's mount point. */ + break; + } + endmntent(mountTable); + return mountEntry; +} + + + extern int df_main(int argc, char * * argv) { @@ -90,47 +134,3 @@ df_main(int argc, char * * argv) - -/* - * Given a block device, find the mount table entry if that block device - * is mounted. - * - * Given any other file (or directory), find the mount table entry for its - * filesystem. - */ -extern struct mntent * -findMountPoint(const char* name, const char* table) -{ - struct stat s; - dev_t mountDevice; - FILE * mountTable; - struct mntent * mountEntry; - - if ( stat(name, &s) != 0 ) - return 0; - - if ( (s.st_mode & S_IFMT) == S_IFBLK ) - mountDevice = s.st_rdev; - else - mountDevice = s.st_dev; - - - if ( (mountTable = setmntent(table, "r")) == 0 ) - return 0; - - while ( (mountEntry = getmntent(mountTable)) != 0 ) { - if ( strcmp(name, mountEntry->mnt_dir) == 0 - || strcmp(name, mountEntry->mnt_fsname) == 0 ) /* String match. */ - break; - if ( stat(mountEntry->mnt_fsname, &s) == 0 - && s.st_rdev == mountDevice ) /* Match the device. */ - break; - if ( stat(mountEntry->mnt_dir, &s) == 0 - && s.st_dev == mountDevice ) /* Match the directory's mount point. */ - break; - } - endmntent(mountTable); - return mountEntry; -} - - diff --git a/dyadic.c b/dyadic.c deleted file mode 100644 index 8136bb573..000000000 --- a/dyadic.c +++ /dev/null @@ -1,28 +0,0 @@ -#include "internal.h" -#include - -extern int -dyadic_main( - struct FileInfo * i -,int argc -,char * * argv) -{ - int flags; - - i->dyadic = 1; - i->destination = argv[argc - 1]; - - for ( flags = 0; flags < (argc - 1) && argv[flags + 1][0] == '-' ; flags++ ) - ; - if ( argc - flags < 3 ) { - usage(i->applet->usage); - return 1; - } - else if ( argc - flags > 3 ) { - if ( !is_a_directory(i->destination) ) { - fprintf(stderr, "%s: not a directory.\n", i->destination); - return 1; - } - } - return monadic_main(i, argc - 1, argv); -} diff --git a/findmount.c b/findmount.c deleted file mode 100644 index 26e28fcd3..000000000 --- a/findmount.c +++ /dev/null @@ -1,46 +0,0 @@ -#include "internal.h" -#include -#include -#include - -/* - * Given a block device, find the mount table entry if that block device - * is mounted. - * - * Given any other file (or directory), find the mount table entry for its - * filesystem. - */ -extern struct mntent * -findMountPoint(const char * name, const char * table) -{ - struct stat s; - dev_t mountDevice; - FILE * mountTable; - struct mntent * mountEntry; - - if ( stat(name, &s) != 0 ) - return 0; - - if ( (s.st_mode & S_IFMT) == S_IFBLK ) - mountDevice = s.st_rdev; - else - mountDevice = s.st_dev; - - - if ( (mountTable = setmntent(table, "r")) == 0 ) - return 0; - - while ( (mountEntry = getmntent(mountTable)) != 0 ) { - if ( strcmp(name, mountEntry->mnt_dir) == 0 - || strcmp(name, mountEntry->mnt_fsname) == 0 ) /* String match. */ - break; - if ( stat(mountEntry->mnt_fsname, &s) == 0 - && s.st_rdev == mountDevice ) /* Match the device. */ - break; - if ( stat(mountEntry->mnt_dir, &s) == 0 - && s.st_dev == mountDevice ) /* Match the directory's mount point. */ - break; - } - endmntent(mountTable); - return mountEntry; -} diff --git a/internal.h b/internal.h index d36d218a9..a67c22339 100644 --- a/internal.h +++ b/internal.h @@ -49,49 +49,11 @@ -struct FileInfo { - unsigned int complainInPostProcess:1; - unsigned int changeUserID:1; - unsigned int changeGroupID:1; - unsigned int changeMode:1; - unsigned int create:1; - unsigned int force:1; - unsigned int recursive:1; - unsigned int processDirectoriesAfterTheirContents; - unsigned int makeParentDirectories:1; - unsigned int didOperation:1; - unsigned int isSymbolicLink:1; - unsigned int makeSymbolicLink:1; - unsigned int dyadic:1; - const char* source; - const char* destination; - int directoryLength; - uid_t userID; - gid_t groupID; - mode_t andWithMode; - mode_t orWithMode; - struct stat stat; - const struct Applet * - applet; -}; - struct Applet { const char* name; int (*main)(int argc, char** argv); }; -extern void name_and_error(const char*); -extern int is_a_directory(const char*); -extern char* join_paths(char *, const char *, const char *); - -extern int descend( - struct FileInfo *o - ,int (*function)(const struct FileInfo * i)); - -extern struct mntent * - findMountPoint(const char*, const char *); - -extern void usage(const char*); extern int busybox_main(int argc, char** argv); extern int block_device_main(int argc, char** argv); extern int cat_more_main(int argc, char** argv); @@ -146,29 +108,6 @@ extern int update_main(int argc, char** argv); extern int zcat_main(int argc, char** argv); extern int gzip_main(int argc, char** argv); -extern int -parse_mode( - const char* s -,mode_t * or -,mode_t * and -,int * group_execute); - -extern int parse_user_name(const char* string, struct FileInfo * i); - - -/* - * A chunk of data. - * Chunks contain data which is allocated as needed, but which is - * not freed until all of the data needs freeing, such as at - * the beginning of the next command. - */ -typedef struct chunk CHUNK; -#define CHUNK_INIT_SIZE 4 - -struct chunk { - CHUNK *next; - char data[CHUNK_INIT_SIZE]; /* actually of varying length */ -}; const char *modeString(int mode); const char *timeString(time_t timeVal); diff --git a/monadic.c b/monadic.c deleted file mode 100644 index 3c7fac25b..000000000 --- a/monadic.c +++ /dev/null @@ -1,126 +0,0 @@ -#include "internal.h" -#include -#include -#include - -extern int -monadic_main( - struct FileInfo * i -,int argc -,char * * argv) -{ - int status = 0; - - while ( argc > 1 && argv[1][0] == '-' ) { - switch ( argv[1][1] ) { - case 'c': - i->create = 1; - break; - case 'f': - i->force = 1; - break; - case 'g': - if ( argc > 2 ) { - struct group * g; - if ( (g = getgrnam(argv[2])) == 0 ) { - fprintf(stderr, "%s: no such group.\n", argv[1]); - return 1; - } - i->groupID = g->gr_gid; - i->changeGroupID = 1; - i->complainInPostProcess = 1; - argc--; - argv++; - break; - } - usage(i->applet->usage); - return 1; - case 'm': - if ( argc > 2 ) { - status = parse_mode( - argv[2] - ,&i->orWithMode - ,&i->andWithMode, 0); - - if ( status == 0 ) { - i->changeMode = 1; - i->complainInPostProcess = 1; - argc--; - argv++; - break; - } - } - usage(i->applet->usage); - return 1; - case 'o': - if ( argc > 2 ) { - status = parse_user_name(argv[2], i); - if ( status != 0 ) - return status; - - i->changeUserID = 1; - i->complainInPostProcess = 1; - argc--; - argv++; - break; - } - usage(i->applet->usage); - return 1; - case 'p': - i->makeParentDirectories = 1; - break; - case 'r': - case 'R': - i->recursive = 1; - break; - case 's': - i->makeSymbolicLink = 1; - break; - default: - usage(i->applet->usage); - return 1; - } - argv++; - argc--; - } - while ( argc > 1 ) { - char * slash; - i->source = argv[1]; - if ( (slash = strrchr(i->source, '/')) != 0 ) { - i->directoryLength = slash - i->source; - if ( i->source[i->directoryLength] == '\0' ) - i->directoryLength = 0; - } - else - i->directoryLength = 0; - if ( !i->dyadic ) - i->destination = i->source; - - if ( lstat(i->source, &i->stat) == 0 ) { - i->isSymbolicLink = (i->stat.st_mode & S_IFMT)==S_IFLNK; - if ( i->isSymbolicLink ) - if ( stat(i->source, &i->stat) != 0 ) - memset(&i->stat, 0, sizeof(i->stat)); - } - else - memset(&i->stat, 0, sizeof(i->stat)); - - if ( i->isSymbolicLink - || !i->recursive - || ((i->stat.st_mode & S_IFMT) != S_IFDIR) ) { - - if ( i->applet->function ) - status = i->applet->function(i); - if ( status == 0 ) - status = post_process(i); - } - else - status = descend(i, i->applet->function); - - if ( status != 0 && !i->force ) - return status; - argv++; - argc--; - } - return 0; -} diff --git a/postprocess.c b/postprocess.c deleted file mode 100644 index bbc87e689..000000000 --- a/postprocess.c +++ /dev/null @@ -1,41 +0,0 @@ -#include "internal.h" - -extern int -post_process(const struct FileInfo * i) -{ - int status = 0; - - if ( i->destination == 0 || *i->destination == 0 ) - return 0; - - if ( status == 0 && i->changeMode ) { - mode_t mode = i->stat.st_mode & 07777; - mode &= i->andWithMode; - mode |= i->orWithMode; - status = chmod(i->destination, mode); - - if ( status != 0 && i->complainInPostProcess && !i->force ) { - name_and_error(i->destination); - return 1; - } - } - - if ( i->changeUserID || i->changeGroupID ) { - uid_t uid = i->stat.st_uid; - gid_t gid = i->stat.st_gid; - - if ( i->changeUserID ) - uid = i->userID; - if ( i->changeGroupID ) - gid = i->groupID; - - status = chown(i->destination, uid, gid); - - if ( status != 0 && i->complainInPostProcess && !i->force ) { - name_and_error(i->destination); - return 1; - } - } - - return status; -} diff --git a/utility.c b/utility.c index 277e27c70..21d69b6e8 100644 --- a/utility.c +++ b/utility.c @@ -33,34 +33,190 @@ #include #include -#if 0 -extern char *join_paths(char *buffer, const char *a, const char *b) + +#if defined (BB_CP) || defined (BB_MV) +/* + * Return TRUE if a fileName is a directory. + * Nonexistant files return FALSE. + */ +int isDirectory(const char *name) { - int length = 0; + struct stat statBuf; - if (a && *a) { - length = strlen(a); - memcpy(buffer, a, length); - } - if (b && *b) { - if (length > 0 && buffer[length - 1] != '/') - buffer[length++] = '/'; - if (*b == '/') - b++; - strcpy(&buffer[length], b); - } - return buffer; + if (stat(name, &statBuf) < 0) + return FALSE; + + return S_ISDIR(statBuf.st_mode); } + +/* + * Copy one file to another, while possibly preserving its modes, times, + * and modes. Returns TRUE if successful, or FALSE on a failure with an + * error message output. (Failure is not indicted if the attributes cannot + * be set.) + */ +int +copyFile( + const char *srcName, + const char *destName, int setModes, int followLinks) +{ + int rfd; + int wfd; + int rcc; + int result; + char buf[BUF_SIZE]; + struct stat srcStatBuf; + struct stat dstStatBuf; + struct utimbuf times; + + if (followLinks == FALSE) + result = stat(srcName, &srcStatBuf); + else + result = lstat(srcName, &srcStatBuf); + + if (result < 0) { + perror(srcName); + return FALSE; + } + + if (followLinks == FALSE) + result = stat(destName, &dstStatBuf); + else + result = lstat(destName, &dstStatBuf); + if (result < 0) { + dstStatBuf.st_ino = -1; + dstStatBuf.st_dev = -1; + } + + if ((srcStatBuf.st_dev == dstStatBuf.st_dev) && + (srcStatBuf.st_ino == dstStatBuf.st_ino)) { + fprintf(stderr, "Copying file \"%s\" to itself\n", srcName); + return FALSE; + } + + if (S_ISDIR(srcStatBuf.st_mode)) { + //fprintf(stderr, "copying directory %s to %s\n", srcName, destName); + /* Make sure the directory is writable */ + if (mkdir(destName, 0777777 ^ umask(0))) { + perror(destName); + return (FALSE); + } + } else if (S_ISLNK(srcStatBuf.st_mode)) { + char *link_val; + int link_size; + + //fprintf(stderr, "copying link %s to %s\n", srcName, destName); + link_val = (char *) alloca(PATH_MAX + 2); + link_size = readlink(srcName, link_val, PATH_MAX + 1); + if (link_size < 0) { + perror(srcName); + return (FALSE); + } + link_val[link_size] = '\0'; + if (symlink(link_val, destName)) { + perror(destName); + return (FALSE); + } + } else if (S_ISFIFO(srcStatBuf.st_mode)) { + //fprintf(stderr, "copying fifo %s to %s\n", srcName, destName); + if (mkfifo(destName, 644)) { + perror(destName); + return (FALSE); + } + } else if (S_ISBLK(srcStatBuf.st_mode) || S_ISCHR(srcStatBuf.st_mode) + || S_ISSOCK (srcStatBuf.st_mode)) { + //fprintf(stderr, "copying soc, blk, or chr %s to %s\n", srcName, destName); + if (mknod(destName, srcStatBuf.st_mode, srcStatBuf.st_rdev)) { + perror(destName); + return (FALSE); + } + } else if (S_ISREG(srcStatBuf.st_mode)) { + //fprintf(stderr, "copying regular file %s to %s\n", srcName, destName); + rfd = open(srcName, O_RDONLY); + if (rfd < 0) { + perror(srcName); + return FALSE; + } + + wfd = creat(destName, srcStatBuf.st_mode); + if (wfd < 0) { + perror(destName); + close(rfd); + return FALSE; + } + + while ((rcc = read(rfd, buf, sizeof(buf))) > 0) { + if (fullWrite(wfd, buf, rcc) < 0) + goto error_exit; + } + if (rcc < 0) { + goto error_exit; + } + + close(rfd); + if (close(wfd) < 0) { + return FALSE; + } + } + + if (setModes == TRUE) { + //fprintf(stderr, "Setting permissions for %s\n", destName); + chmod(destName, srcStatBuf.st_mode); + if (followLinks == TRUE) + chown(destName, srcStatBuf.st_uid, srcStatBuf.st_gid); + else + lchown(destName, srcStatBuf.st_uid, srcStatBuf.st_gid); + + times.actime = srcStatBuf.st_atime; + times.modtime = srcStatBuf.st_mtime; + + utime(destName, ×); + } + + return TRUE; + + + error_exit: + //fprintf(stderr, "choking on %s\n", destName); + perror(destName); + close(rfd); + close(wfd); + + return FALSE; +} #endif +#ifdef BB_MV +/* + * Build a path name from the specified directory name and file name. + * If the directory name is NULL, then the original fileName is returned. + * The built path is in a static area, and is overwritten for each call. + */ +char *buildName(const char *dirName, const char *fileName) +{ + const char *cp; + static char buf[PATH_LEN]; + if ((dirName == NULL) || (*dirName == '\0')) { + strcpy(buf, fileName); + return buf; + } + cp = strrchr(fileName, '/'); + if (cp) + fileName = cp + 1; + + strcpy(buf, dirName); + strcat(buf, "/"); + + return buf; +} +#endif -static CHUNK *chunkList; /* @@ -129,282 +285,7 @@ const char *modeString(int mode) } -/* - * Return TRUE if a fileName is a directory. - * Nonexistant files return FALSE. - */ -int isDirectory(const char *name) -{ - struct stat statBuf; - - if (stat(name, &statBuf) < 0) - return FALSE; - - return S_ISDIR(statBuf.st_mode); -} - - -/* - * Return TRUE if a filename is a block or character device. - * Nonexistant files return FALSE. - */ -int isDevice(const char *name) -{ - struct stat statBuf; - - if (stat(name, &statBuf) < 0) - return FALSE; - - return S_ISBLK(statBuf.st_mode) || S_ISCHR(statBuf.st_mode); -} - - -/* - * Copy one file to another, while possibly preserving its modes, times, - * and modes. Returns TRUE if successful, or FALSE on a failure with an - * error message output. (Failure is not indicted if the attributes cannot - * be set.) - */ -int -copyFile( - const char *srcName, - const char *destName, int setModes, int followLinks) -{ - int rfd; - int wfd; - int rcc; - char buf[BUF_SIZE]; - struct stat statBuf1; - struct stat statBuf2; - struct utimbuf times; - - if (stat(srcName, &statBuf1) < 0) { - perror(srcName); - return FALSE; - } - - if (stat(destName, &statBuf2) < 0) { - statBuf2.st_ino = -1; - statBuf2.st_dev = -1; - } - - if ((statBuf1.st_dev == statBuf2.st_dev) && - (statBuf1.st_ino == statBuf2.st_ino)) { - fprintf(stderr, "Copying file \"%s\" to itself\n", srcName); - return FALSE; - } - - if (S_ISDIR(statBuf1.st_mode)) { - /* Make sure the directory is writable */ - if (mkdir(destName, 0777777 ^ umask(0))) { - perror(destName); - return (FALSE); - } - } else if (S_ISFIFO(statBuf1.st_mode)) { - if (mkfifo(destName, 644)) { - perror(destName); - return (FALSE); - } - } else if (S_ISBLK(statBuf1.st_mode) || S_ISCHR(statBuf1.st_mode)) { - if (mknod(destName, 644, statBuf1.st_rdev)) { - perror(destName); - return (FALSE); - } - } else if (S_ISLNK(statBuf1.st_mode)) { - char *link_val; - int link_size; - - link_val = (char *) alloca(PATH_MAX + 2); - link_size = readlink(srcName, link_val, PATH_MAX + 1); - if (link_size < 0) { - perror(srcName); - return (FALSE); - } - link_val[link_size] = '\0'; - if (symlink(link_val, destName)) { - perror(srcName); - return (FALSE); - } - } else { - rfd = open(srcName, O_RDONLY); - if (rfd < 0) { - perror(srcName); - return FALSE; - } - - wfd = creat(destName, statBuf1.st_mode); - if (wfd < 0) { - perror(destName); - close(rfd); - return FALSE; - } - - while ((rcc = read(rfd, buf, sizeof(buf))) > 0) { - if (fullWrite(wfd, buf, rcc) < 0) - goto error_exit; - } - if (rcc < 0) { - perror(srcName); - goto error_exit; - } - - close(rfd); - - if (close(wfd) < 0) { - perror(destName); - return FALSE; - } - } - - if (setModes == TRUE) { - chmod(destName, statBuf1.st_mode); - if (followLinks == TRUE) - chown(destName, statBuf1.st_uid, statBuf1.st_gid); - else - lchown(destName, statBuf1.st_uid, statBuf1.st_gid); - - times.actime = statBuf1.st_atime; - times.modtime = statBuf1.st_mtime; - - utime(destName, ×); - } - - return TRUE; - - - error_exit: - close(rfd); - close(wfd); - - return FALSE; -} - - -/* - * Build a path name from the specified directory name and file name. - * If the directory name is NULL, then the original fileName is returned. - * The built path is in a static area, and is overwritten for each call. - */ -char *buildName(const char *dirName, const char *fileName) -{ - const char *cp; - static char buf[PATH_LEN]; - - if ((dirName == NULL) || (*dirName == '\0')) { - strcpy(buf, fileName); - return buf; - } - - cp = strrchr(fileName, '/'); - - if (cp) - fileName = cp + 1; - - strcpy(buf, dirName); - strcat(buf, "/"); - - return buf; -} - - - -/* - * Make a NULL-terminated string out of an argc, argv pair. - * Returns TRUE if successful, or FALSE if the string is too long, - * with an error message given. This does not handle spaces within - * arguments correctly. - */ -int makeString( int argc, const char **argv, char *buf, int bufLen) -{ - int len; - - while (argc-- > 0) { - len = strlen(*argv); - - if (len >= bufLen) { - fprintf(stderr, "Argument string too long\n"); - - return FALSE; - } - - strcpy(buf, *argv++); - - buf += len; - bufLen -= len; - - if (argc) - *buf++ = ' '; - - bufLen--; - } - - *buf = '\0'; - - return TRUE; -} - - -/* - * Allocate a chunk of memory (like malloc). - * The difference, though, is that the memory allocated is put on a - * list of chunks which can be freed all at one time. You CAN NOT free - * an individual chunk. - */ -char *getChunk(int size) -{ - CHUNK *chunk; - - if (size < CHUNK_INIT_SIZE) - size = CHUNK_INIT_SIZE; - - chunk = (CHUNK *) malloc(size + sizeof(CHUNK) - CHUNK_INIT_SIZE); - - if (chunk == NULL) - return NULL; - - chunk->next = chunkList; - chunkList = chunk; - - return chunk->data; -} - - -/* - * Duplicate a string value using the chunk allocator. - * The returned string cannot be individually freed, but can only be freed - * with other strings when freeChunks is called. Returns NULL on failure. - */ -char *chunkstrdup(const char *str) -{ - int len; - char *newStr; - - len = strlen(str) + 1; - newStr = getChunk(len); - - if (newStr) - memcpy(newStr, str, len); - - return newStr; -} - - -/* - * Free all chunks of memory that had been allocated since the last - * call to this routine. - */ -void freeChunks(void) -{ - CHUNK *chunk; - - while (chunkList) { - chunk = chunkList; - chunkList = chunk->next; - free((char *) chunk); - } -} - - +#ifdef BB_TAR /* * Get the time string to be used for a file. * This is down to the minute for new files, but only the date for old files. @@ -577,8 +458,10 @@ int fullRead(int fd, char *buf, int len) return total; } +#endif +#if defined (BB_CHOWN) || defined (BB_CP) || defined (BB_FIND) || defined (BB_LS) /* * Walk down all the directories under the specified * location, and do something (something specified @@ -618,7 +501,6 @@ recursiveAction(const char *fileName, int recurse, int followLinks, if (S_ISDIR(statbuf.st_mode)) { DIR *dir; - fprintf(stderr, "Dir: %s\n", fileName); dir = opendir(fileName); if (!dir) { perror(fileName); @@ -627,7 +509,7 @@ recursiveAction(const char *fileName, int recurse, int followLinks, if (dirAction != NULL) { status = dirAction(fileName); if (status == FALSE) { - perror("cp"); + perror(fileName); return (FALSE); } } @@ -652,7 +534,6 @@ recursiveAction(const char *fileName, int recurse, int followLinks, return (FALSE); } } else { - fprintf(stderr, "File: %s\n", fileName); if (fileAction == NULL) return (TRUE); else @@ -661,6 +542,6 @@ recursiveAction(const char *fileName, int recurse, int followLinks, return (TRUE); } - +#endif /* END CODE */