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Diffstat (limited to 'contrib/cpio/src/makepath.c')
-rw-r--r-- | contrib/cpio/src/makepath.c | 267 |
1 files changed, 0 insertions, 267 deletions
diff --git a/contrib/cpio/src/makepath.c b/contrib/cpio/src/makepath.c deleted file mode 100644 index ff4c25f..0000000 --- a/contrib/cpio/src/makepath.c +++ /dev/null @@ -1,267 +0,0 @@ -/* makepath.c -- Ensure that a directory path exists. - Copyright (C) 1990, 2006 Free Software Foundation, Inc. - - 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, 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., 51 Franklin Street, Fifth Floor, - Boston, MA 02110-1301 USA. */ - -/* Written by David MacKenzie <djm@gnu.ai.mit.edu> and - Jim Meyering <meyering@cs.utexas.edu>. */ - -/* This copy of makepath is almost like the fileutils one, but has - changes for HPUX CDF's. Maybe the 2 versions of makepath can - come together again in the future. */ - -#include <system.h> -#include <paxlib.h> - -#include <stdio.h> -#include <sys/types.h> -#include <sys/stat.h> - -/* Ensure that the directory ARGPATH exists. - Remove any trailing slashes from ARGPATH before calling this function. - - Make any leading directories that don't already exist, with - permissions PARENT_MODE. - If the last element of ARGPATH does not exist, create it as - a new directory with permissions MODE. - If OWNER and GROUP are non-negative, make them the UID and GID of - created directories. - If VERBOSE_FMT_STRING is nonzero, use it as a printf format - string for printing a message after successfully making a directory, - with the name of the directory that was just made as an argument. - - Return 0 if ARGPATH exists as a directory with the proper - ownership and permissions when done, otherwise 1. */ - -int -make_path (char *argpath, - int mode, - int parent_mode, - uid_t owner, - gid_t group, - char *verbose_fmt_string) -{ - char *dirpath; /* A copy we can scribble NULs on. */ - struct stat stats; - int retval = 0; - int oldmask = umask (0); - dirpath = alloca (strlen (argpath) + 1); - strcpy (dirpath, argpath); - - if (stat (dirpath, &stats)) - { - char *slash; - int tmp_mode; /* Initial perms for leading dirs. */ - int re_protect; /* Should leading dirs be unwritable? */ - struct ptr_list - { - char *dirname_end; - struct ptr_list *next; - }; - struct ptr_list *p, *leading_dirs = NULL; - - /* If leading directories shouldn't be writable or executable, - or should have set[ug]id or sticky bits set and we are setting - their owners, we need to fix their permissions after making them. */ - if (((parent_mode & 0300) != 0300) - || (owner != (uid_t) -1 && group != (gid_t) -1 - && (parent_mode & 07000) != 0)) - { - tmp_mode = 0700; - re_protect = 1; - } - else - { - tmp_mode = parent_mode; - re_protect = 0; - } - - slash = dirpath; - while (*slash == '/') - slash++; - while ((slash = strchr (slash, '/'))) - { -#ifdef HPUX_CDF - int iscdf; - iscdf = 0; -#endif - *slash = '\0'; - if (stat (dirpath, &stats)) - { -#ifdef HPUX_CDF - /* If this component of the pathname ends in `+' and is - followed by 2 `/'s, then this is a CDF. We remove the - `+' from the name and create the directory. Later - we will "hide" the directory. */ - if ( (*(slash +1) == '/') && (*(slash -1) == '+') ) - { - iscdf = 1; - *(slash -1) = '\0'; - } -#endif - if (mkdir (dirpath, tmp_mode)) - { - error (0, errno, _("cannot make directory `%s'"), dirpath); - umask (oldmask); - return 1; - } - else - { - if (verbose_fmt_string != NULL) - error (0, 0, verbose_fmt_string, dirpath); - - if (owner != (uid_t) -1 && group != (gid_t) -1 - && chown (dirpath, owner, group) -#ifdef AFS - && errno != EPERM -#endif - ) - { - chown_error_details (dirpath, owner, group); - retval = 1; - } - if (re_protect) - { - struct ptr_list *new = (struct ptr_list *) - alloca (sizeof (struct ptr_list)); - new->dirname_end = slash; - new->next = leading_dirs; - leading_dirs = new; - } -#ifdef HPUX_CDF - if (iscdf) - { - /* If this is a CDF, "hide" the directory by setting - its hidden/setuid bit. Also add the `+' back to - its name (since once it's "hidden" we must refer - to as `name+' instead of `name'). */ - chmod (dirpath, 04700); - *(slash - 1) = '+'; - } -#endif - } - } - else if (!S_ISDIR (stats.st_mode)) - { - error (0, 0, _("`%s' exists but is not a directory"), dirpath); - umask (oldmask); - return 1; - } - - *slash++ = '/'; - - /* Avoid unnecessary calls to `stat' when given - pathnames containing multiple adjacent slashes. */ - while (*slash == '/') - slash++; - } - - /* We're done making leading directories. - Make the final component of the path. */ - - if (mkdir (dirpath, mode)) - { - /* In some cases, if the final component in dirpath was `.' then we - just got an EEXIST error from that last mkdir(). If that's - the case, ignore it. */ - if ( (errno != EEXIST) || - (stat (dirpath, &stats) != 0) || - (!S_ISDIR (stats.st_mode) ) ) - { - error (0, errno, _("cannot make directory `%s'"), dirpath); - umask (oldmask); - return 1; - } - } - if (verbose_fmt_string != NULL) - error (0, 0, verbose_fmt_string, dirpath); - - if (owner != (uid_t) -1 && group != (gid_t) -1) - { - if (chown (dirpath, owner, group) -#ifdef AFS - && errno != EPERM -#endif - ) - { - chown_error_details (dirpath, owner, group); - retval = 1; - } - } - /* chown may have turned off some permission bits we wanted. */ - if ((mode & 07000) != 0 && chmod (dirpath, mode)) - { - chmod_error_details (dirpath, mode); - retval = 1; - } - - /* If the mode for leading directories didn't include owner "wx" - privileges, we have to reset their protections to the correct - value. */ - for (p = leading_dirs; p != NULL; p = p->next) - { - *p->dirname_end = '\0'; -#if 0 - /* cpio always calls make_path with parent mode 0700, so - we don't have to do this. If we ever do have to do this, - we have to stat the directory first to get the setuid - bit so we don't break HP CDF's. */ - if (chmod (dirpath, parent_mode)) - { - chmod_error_details (dirpath, parent_mode); - retval = 1; - } -#endif - - } - } - else - { - /* We get here if the entire path already exists. */ - - if (!S_ISDIR (stats.st_mode)) - { - error (0, 0, _("`%s' exists but is not a directory"), dirpath); - umask (oldmask); - return 1; - } - - /* chown must precede chmod because on some systems, - chown clears the set[ug]id bits for non-superusers, - resulting in incorrect permissions. - On System V, users can give away files with chown and then not - be able to chmod them. So don't give files away. */ - - if (owner != (uid_t) -1 && group != (gid_t) -1 - && chown (dirpath, owner, group) -#ifdef AFS - && errno != EPERM -#endif - ) - { - chown_error_details (dirpath, owner, group); - retval = 1; - } - if (chmod (dirpath, mode)) - { - chmod_error_details (dirpath, mode); - retval = 1; - } - } - - umask (oldmask); - return retval; -} |