diff options
Diffstat (limited to 'tar.c')
| -rw-r--r-- | tar.c | 41 |
1 files changed, 32 insertions, 9 deletions
@@ -10,6 +10,9 @@ * Modified for busybox by Erik Andersen <andersee@debian.org> * Adjusted to grok stdin/stdout options. * + * Modified to handle device special files by Matt Porter + * <porter@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 @@ -34,6 +37,7 @@ #include <fcntl.h> #include <signal.h> #include <time.h> +#include <sys/types.h> static const char tar_usage[] = @@ -377,12 +381,15 @@ readHeader (const TarHeader * hp, int fileCount, char **fileTable) int uid; int gid; int checkSum; + int major; + int minor; long size; time_t mtime; const char *name; int cc; int hardLink; int softLink; + int devFileFlag; /* * If the block is completely empty, then this is the end of the @@ -411,6 +418,8 @@ readHeader (const TarHeader * hp, int fileCount, char **fileTable) size = getOctal (hp->size, sizeof (hp->size)); mtime = getOctal (hp->mtime, sizeof (hp->mtime)); checkSum = getOctal (hp->checkSum, sizeof (hp->checkSum)); + major = getOctal (hp->devMajor, sizeof (hp->devMajor)); + minor = getOctal (hp->devMinor, sizeof (hp->devMinor)); if ((mode < 0) || (uid < 0) || (gid < 0) || (size < 0)) { if (badHeader==FALSE) @@ -423,6 +432,7 @@ readHeader (const TarHeader * hp, int fileCount, char **fileTable) badHeader = FALSE; skipFileFlag = FALSE; + devFileFlag = FALSE; /* * Check for the file modes. @@ -434,12 +444,10 @@ readHeader (const TarHeader * hp, int fileCount, char **fileTable) (hp->typeFlag == TAR_TYPE_SOFT_LINK - '0')); /* - * Check for a directory or a regular file. + * Check for a directory. */ if (name[strlen (name) - 1] == '/') mode |= S_IFDIR; - else if ((mode & S_IFMT) == 0) - mode |= S_IFREG; /* * Check for absolute paths in the file. @@ -462,7 +470,8 @@ readHeader (const TarHeader * hp, int fileCount, char **fileTable) * If not, then set up to skip it. */ if (wantFileName (name, fileCount, fileTable) == FALSE) { - if (!hardLink && !softLink && S_ISREG (mode)) { + if ( !hardLink && !softLink && (S_ISREG (mode) || S_ISCHR (mode) + || S_ISBLK (mode) || S_ISSOCK(mode) || S_ISFIFO(mode) ) ) { inHeader = (size == 0)? TRUE : FALSE; dataCc = size; } @@ -487,7 +496,8 @@ readHeader (const TarHeader * hp, int fileCount, char **fileTable) printf (" (link to \"%s\")", hp->linkName); else if (softLink) printf (" (symlink to \"%s\")", hp->linkName); - else if (S_ISREG (mode)) { + else if (S_ISREG (mode) || S_ISCHR (mode) || S_ISBLK (mode) || + S_ISSOCK(mode) || S_ISFIFO(mode) ) { inHeader = (size == 0)? TRUE : FALSE; dataCc = size; } @@ -543,8 +553,17 @@ readHeader (const TarHeader * hp, int fileCount, char **fileTable) */ if (tostdoutFlag == TRUE) outFd = STDOUT; - else - outFd = open (name, O_WRONLY | O_CREAT | O_TRUNC, mode); + else { + if ( S_ISCHR(mode) || S_ISBLK(mode) || S_ISSOCK(mode) ) { + devFileFlag = TRUE; + outFd = mknod (name, mode, makedev(major, minor) ); + } + else if (S_ISFIFO(mode) ) { + outFd = mkfifo(name, mode); + } else { + outFd = open (name, O_WRONLY | O_CREAT | O_TRUNC, mode); + } + } if (outFd < 0) { perror (name); @@ -555,7 +574,7 @@ readHeader (const TarHeader * hp, int fileCount, char **fileTable) /* * If the file is empty, then that's all we need to do. */ - if (size == 0 && tostdoutFlag == FALSE) { + if (size == 0 && (tostdoutFlag == FALSE) && (devFileFlag == FALSE)) { (void) close (outFd); outFd = -1; } @@ -735,12 +754,16 @@ static void saveFile (const char *fileName, int seeLinks) return; } - if (S_ISREG (mode)) { saveRegularFile (fileName, &statbuf); return; } + + /* Some day add support for tarring these up... but not today. :) */ +// if (S_ISLNK(mode) || S_ISFIFO(mode) || S_ISBLK(mode) || S_ISCHR (mode) ) { +// fprintf (stderr, "%s: This version of tar can't store this type of file\n", fileName); +// } /* * The file is a strange type of file, ignore it. |