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copyFile could call chmod on a symlink, changing the perms

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of the pointed to file.  Minor fix to tar for directory handling.
 -Erik
This commit is contained in:
Erik Andersen 2000-01-27 19:50:47 +00:00
parent ccc7488615
commit ce5b466bcc
4 changed files with 23 additions and 17 deletions
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8
Changelog
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@ -25,7 +25,8 @@
contributed Friedrich Vedder <fwv@myrtle.lahn.de>
* Cosmetic fix to busybox.c (Don't print a comma at the
end of line if there are no more application names).
* Fixed a stupid bug in "head" option handling ("head -n" would segfault).
* Fixed a stupid bug in "head" option handling ("head -n"
would segfault).
* Moved commonly used functions "xmalloc()" and "exit()"
to utility.c (with proper #ifdef's).
* Created a tiny tail implementation, removing -c, -q, -v, and making
@ -37,7 +38,10 @@
* Fixed mount and umount. Previously they could leak loop device
allocations, causing the system to quickly run out. Fix for umount
by Ben Collins <bcollins@debian.org>, and mount was fixed by me.
* ls formatting on 8 char user names fixed by Randolph Chung <tausq@debian.org>.
* ls formatting on eight charactor user names fixed by
Randolph Chung <tausq@debian.org>.
* cp could, when copying symlinks, change permissions of the
files pointed to by the symlinks.
-Erik Andersen

1
archival/tar.c
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@ -596,6 +596,7 @@ readHeader (const TarHeader * hp, int fileCount, char **fileTable)
chmod(outName, mode);
return;
}
return;
}
/*

1
tar.c
View File

@ -596,6 +596,7 @@ readHeader (const TarHeader * hp, int fileCount, char **fileTable)
chmod(outName, mode);
return;
}
return;
}
/*

30
utility.c
View File

@ -131,6 +131,7 @@ copyFile( const char *srcName, const char *destName,
struct stat dstStatBuf;
struct utimbuf times;
/* Grab the source file's stats */
if (followLinks == FALSE)
result = stat(srcName, &srcStatBuf);
else
@ -140,6 +141,7 @@ copyFile( const char *srcName, const char *destName,
return FALSE;
}
/* Grab the dest file's stats */
if (followLinks == FALSE)
result = stat(destName, &dstStatBuf);
else
@ -223,18 +225,18 @@ copyFile( const char *srcName, const char *destName,
}
if (setModes == TRUE) {
//fprintf(stderr, "Setting permissions for %s\n", destName);
chmod(destName, srcStatBuf.st_mode);
#if (__GLIBC__ >= 2) && (__GLIBC_MINOR__ >= 1)
if (followLinks == FALSE)
lchown(destName, srcStatBuf.st_uid, srcStatBuf.st_gid);
else
#endif
if (! S_ISLNK(srcStatBuf.st_mode)) {
chown(destName, srcStatBuf.st_uid, srcStatBuf.st_gid);
/* Never chmod a symlink; it follows the link */
chmod(destName, srcStatBuf.st_mode);
}
#if (__GLIBC__ >= 2) && (__GLIBC_MINOR__ >= 1)
else {
lchown(destName, srcStatBuf.st_uid, srcStatBuf.st_gid);
}
#endif
times.actime = srcStatBuf.st_atime;
times.modtime = srcStatBuf.st_mtime;
utime(destName, &times);
}
@ -414,6 +416,7 @@ recursiveAction(const char *fileName, int recurse, int followLinks, int depthFir
status = lstat(fileName, &statbuf);
if (status < 0) {
fprintf(stderr, "status=%d followLinks=%d TRUE=%d\n", status, followLinks, TRUE);
perror(fileName);
return (FALSE);
}
@ -515,14 +518,11 @@ extern int createPath (const char *name, int mode)
cp = strchr (cp + 1, '/');
*cpOld = '\0';
retVal = mkdir (buf, cp ? 0777 : mode);
*cpOld = '/';
}
/* Return the result from the final directory, as that
* is the one that counts */
if( retVal!=0) {
if ( errno!=EEXIST) {
if (retVal != 0 && errno != EEXIST) {
perror( buf);
return( FALSE);
}
*cpOld = '/';
}
return( TRUE);
}