453 lines
14 KiB
Diff
453 lines
14 KiB
Diff
Redhat-bugzilla: 430835
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* revert make_path code to previous state, which worked better
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* this can be dropped when permission issues are solved in upstream
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diff -up cpio-2.9/src/extern.h.dir_perm cpio-2.9/src/extern.h
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--- cpio-2.9/src/extern.h.dir_perm 2007-06-28 14:59:38.000000000 +0200
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+++ cpio-2.9/src/extern.h 2008-03-03 11:57:43.000000000 +0100
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@@ -140,8 +140,8 @@ void process_args (int argc, char *argv[
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void initialize_buffers (void);
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/* makepath.c */
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-int make_path (char *argpath, uid_t owner, gid_t group,
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- const char *verbose_fmt_string);
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+int make_path (char *argpath, int mode, int parent_mode,
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+ uid_t owner, gid_t group, char *verbose_fmt_string);
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/* tar.c */
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void write_out_tar_header (struct cpio_file_stat *file_hdr, int out_des);
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diff -up cpio-2.9/src/util.c.dir_perm cpio-2.9/src/util.c
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--- cpio-2.9/src/util.c.dir_perm 2007-06-28 15:04:51.000000000 +0200
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+++ cpio-2.9/src/util.c 2008-03-03 11:45:00.000000000 +0100
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@@ -618,14 +618,7 @@ create_all_directories (char *name)
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error (2, 0, _("virtual memory exhausted"));
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if (dir[0] != '.' || dir[1] != '\0')
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- {
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- const char *fmt;
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- if (warn_option & CPIO_WARN_INTERDIR)
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- fmt = _("Creating intermediate directory `%s'");
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- else
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- fmt = NULL;
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- make_path (dir, -1, -1, fmt);
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- }
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+ make_path (dir, mode, 0700, -1, -1, (char *) NULL);
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free (dir);
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}
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diff -up cpio-2.9/src/copyin.c.dir_perm cpio-2.9/src/copyin.c
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--- cpio-2.9/src/copyin.c.dir_perm 2008-03-03 11:45:00.000000000 +0100
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+++ cpio-2.9/src/copyin.c 2008-03-03 11:45:00.000000000 +0100
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@@ -186,12 +186,11 @@ list_file(struct cpio_file_stat* file_hd
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static int
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try_existing_file (struct cpio_file_stat* file_hdr, int in_file_des,
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- int *existing_dir, mode_t *existing_mode)
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+ int *existing_dir)
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{
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struct stat file_stat;
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*existing_dir = false;
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- *existing_mode = 0;
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if (lstat (file_hdr->c_name, &file_stat) == 0)
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{
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if (S_ISDIR (file_stat.st_mode)
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@@ -201,7 +200,6 @@ try_existing_file (struct cpio_file_stat
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we are trying to create, don't complain about
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it. */
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*existing_dir = true;
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- *existing_mode = file_stat.st_mode;
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return 0;
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}
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else if (!unconditional_flag
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@@ -569,7 +567,7 @@ copyin_regular_file (struct cpio_file_st
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}
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static void
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-copyin_directory (struct cpio_file_stat *file_hdr, int existing_dir, mode_t existing_mode)
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+copyin_directory (struct cpio_file_stat *file_hdr, int existing_dir)
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{
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int res; /* Result of various function calls. */
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#ifdef HPUX_CDF
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@@ -612,22 +610,14 @@ copyin_directory (struct cpio_file_stat
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cdf_flag = 1;
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}
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#endif
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- res = mkdir (file_hdr->c_name, file_hdr->c_mode & ~077);
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+ res = mkdir (file_hdr->c_name, file_hdr->c_mode);
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}
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else
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- {
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- if (!no_chown_flag && (existing_mode & 077) != 0
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- && chmod (file_hdr->c_name, existing_mode & 07700) < 0)
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- {
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- error (0, errno, "%s: chmod", file_hdr->c_name);
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- return;
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- }
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- res = 0;
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- }
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+ res = 0;
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if (res < 0 && create_dir_flag)
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{
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create_all_directories (file_hdr->c_name);
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- res = mkdir (file_hdr->c_name, file_hdr->c_mode & ~077);
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+ res = mkdir (file_hdr->c_name, file_hdr->c_mode);
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}
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if (res < 0)
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{
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@@ -702,12 +692,12 @@ copyin_device (struct cpio_file_stat* fi
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return;
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}
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- res = mknod (file_hdr->c_name, file_hdr->c_mode & ~077,
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+ res = mknod (file_hdr->c_name, file_hdr->c_mode,
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makedev (file_hdr->c_rdev_maj, file_hdr->c_rdev_min));
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if (res < 0 && create_dir_flag)
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{
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create_all_directories (file_hdr->c_name);
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- res = mknod (file_hdr->c_name, file_hdr->c_mode & ~077,
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+ res = mknod (file_hdr->c_name, file_hdr->c_mode,
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makedev (file_hdr->c_rdev_maj, file_hdr->c_rdev_min));
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}
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if (res < 0)
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@@ -782,10 +772,9 @@ static void
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copyin_file (struct cpio_file_stat* file_hdr, int in_file_des)
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{
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int existing_dir;
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- mode_t existing_mode;
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if (!to_stdout_option
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- && try_existing_file (file_hdr, in_file_des, &existing_dir, &existing_mode) < 0)
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+ && try_existing_file (file_hdr, in_file_des, &existing_dir) < 0)
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return;
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/* Do the real copy or link. */
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@@ -796,7 +785,7 @@ copyin_file (struct cpio_file_stat* file
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break;
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case CP_IFDIR:
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- copyin_directory(file_hdr, existing_dir, existing_mode);
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+ copyin_directory (file_hdr, existing_dir);
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break;
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case CP_IFCHR:
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@@ -1573,8 +1562,6 @@ process_copy_in ()
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if (dot_flag)
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fputc ('\n', stderr);
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- apply_delayed_set_stat ();
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-
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if (append_flag)
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return;
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diff -up cpio-2.9/src/makepath.c.dir_perm cpio-2.9/src/makepath.c
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--- cpio-2.9/src/makepath.c.dir_perm 2007-06-28 15:09:47.000000000 +0200
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+++ cpio-2.9/src/makepath.c 2008-03-03 11:45:00.000000000 +0100
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@@ -1,9 +1,9 @@
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/* makepath.c -- Ensure that a directory path exists.
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- Copyright (C) 1990, 2006, 2007 Free Software Foundation, Inc.
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+ Copyright (C) 1990, 2006 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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- the Free Software Foundation; either version 3, or (at your option)
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+ the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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@@ -29,15 +29,14 @@
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#include <stdio.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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-#include "cpiohdr.h"
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-#include "dstring.h"
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-#include "extern.h"
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/* Ensure that the directory ARGPATH exists.
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Remove any trailing slashes from ARGPATH before calling this function.
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- Make all directory components that don't already exist with
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- permissions 700.
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+ Make any leading directories that don't already exist, with
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+ permissions PARENT_MODE.
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+ If the last element of ARGPATH does not exist, create it as
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+ a new directory with permissions MODE.
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If OWNER and GROUP are non-negative, make them the UID and GID of
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created directories.
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If VERBOSE_FMT_STRING is nonzero, use it as a printf format
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@@ -49,26 +48,48 @@
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int
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make_path (char *argpath,
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+ int mode,
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+ int parent_mode,
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uid_t owner,
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gid_t group,
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- const char *verbose_fmt_string)
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+ char *verbose_fmt_string)
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{
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char *dirpath; /* A copy we can scribble NULs on. */
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struct stat stats;
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int retval = 0;
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- mode_t tmpmode;
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- mode_t invert_permissions;
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- int we_are_root = getuid () == 0;
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+ int oldmask = umask (0);
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dirpath = alloca (strlen (argpath) + 1);
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-
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strcpy (dirpath, argpath);
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if (stat (dirpath, &stats))
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{
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- tmpmode = MODE_RWX & ~ newdir_umask;
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- invert_permissions = we_are_root ? 0 : MODE_WXUSR & ~ tmpmode;
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+ char *slash;
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+ int tmp_mode; /* Initial perms for leading dirs. */
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+ int re_protect; /* Should leading dirs be unwritable? */
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+ struct ptr_list
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+ {
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+ char *dirname_end;
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+ struct ptr_list *next;
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+ };
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+ struct ptr_list *p, *leading_dirs = NULL;
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+
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+ /* If leading directories shouldn't be writable or executable,
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+ or should have set[ug]id or sticky bits set and we are setting
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+ their owners, we need to fix their permissions after making them. */
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+ if (((parent_mode & 0300) != 0300)
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+ || (owner != (uid_t) -1 && group != (gid_t) -1
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+ && (parent_mode & 07000) != 0))
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+ {
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+ tmp_mode = 0700;
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+ re_protect = 1;
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+ }
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+ else
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+ {
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+ tmp_mode = parent_mode;
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+ re_protect = 0;
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+ }
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- char *slash = dirpath;
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+ slash = dirpath;
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while (*slash == '/')
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slash++;
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while ((slash = strchr (slash, '/')))
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@@ -91,9 +112,10 @@ make_path (char *argpath,
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*(slash -1) = '\0';
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}
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#endif
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- if (mkdir (dirpath, tmpmode ^ invert_permissions))
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+ if (mkdir (dirpath, tmp_mode))
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{
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error (0, errno, _("cannot make directory `%s'"), dirpath);
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+ umask (oldmask);
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return 1;
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}
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else
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@@ -101,18 +123,24 @@ make_path (char *argpath,
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if (verbose_fmt_string != NULL)
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error (0, 0, verbose_fmt_string, dirpath);
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- if (stat (dirpath, &stats))
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- stat_error (dirpath);
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- else
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+ if (owner != (uid_t) -1 && group != (gid_t) -1
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+ && chown (dirpath, owner, group)
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+#ifdef AFS
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+ && errno != EPERM
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+#endif
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+ )
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+ {
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+ chown_error_details (dirpath, owner, group);
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+ retval = 1;
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+ }
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+ if (re_protect)
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{
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- if (owner != -1)
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- stats.st_uid = owner;
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- if (group != -1)
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- stats.st_gid = group;
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-
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- delay_set_stat (dirpath, &stats, invert_permissions);
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+ struct ptr_list *new = (struct ptr_list *)
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+ alloca (sizeof (struct ptr_list));
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+ new->dirname_end = slash;
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+ new->next = leading_dirs;
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+ leading_dirs = new;
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}
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-
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#ifdef HPUX_CDF
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if (iscdf)
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{
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@@ -129,6 +157,7 @@ make_path (char *argpath,
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else if (!S_ISDIR (stats.st_mode))
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{
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error (0, 0, _("`%s' exists but is not a directory"), dirpath);
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+ umask (oldmask);
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return 1;
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}
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@@ -143,7 +172,7 @@ make_path (char *argpath,
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/* We're done making leading directories.
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Make the final component of the path. */
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- if (mkdir (dirpath, tmpmode ^ invert_permissions))
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+ if (mkdir (dirpath, mode))
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{
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/* In some cases, if the final component in dirpath was `.' then we
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just got an EEXIST error from that last mkdir(). If that's
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@@ -153,24 +182,51 @@ make_path (char *argpath,
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(!S_ISDIR (stats.st_mode) ) )
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{
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error (0, errno, _("cannot make directory `%s'"), dirpath);
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+ umask (oldmask);
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return 1;
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}
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}
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- else if (stat (dirpath, &stats))
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- stat_error (dirpath);
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- else
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- {
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- if (owner != -1)
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- stats.st_uid = owner;
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- if (group != -1)
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- stats.st_gid = group;
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-
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- delay_set_stat (dirpath, &stats, invert_permissions);
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- }
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-
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if (verbose_fmt_string != NULL)
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error (0, 0, verbose_fmt_string, dirpath);
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+ if (owner != (uid_t) -1 && group != (gid_t) -1)
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+ {
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+ if (chown (dirpath, owner, group)
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+#ifdef AFS
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+ && errno != EPERM
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+#endif
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+ )
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+ {
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+ chown_error_details (dirpath, owner, group);
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+ retval = 1;
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+ }
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+ }
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+ /* chown may have turned off some permission bits we wanted. */
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+ if ((mode & 07000) != 0 && chmod (dirpath, mode))
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+ {
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+ chmod_error_details (dirpath, mode);
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+ retval = 1;
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+ }
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+
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+ /* If the mode for leading directories didn't include owner "wx"
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+ privileges, we have to reset their protections to the correct
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+ value. */
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+ for (p = leading_dirs; p != NULL; p = p->next)
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+ {
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+ *p->dirname_end = '\0';
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+#if 0
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+ /* cpio always calls make_path with parent mode 0700, so
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+ we don't have to do this. If we ever do have to do this,
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+ we have to stat the directory first to get the setuid
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+ bit so we don't break HP CDF's. */
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+ if (chmod (dirpath, parent_mode))
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+ {
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+ chmod_error_details (dirpath, parent_mode);
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+ retval = 1;
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+ }
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+#endif
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+
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+ }
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}
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else
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{
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@@ -179,10 +235,33 @@ make_path (char *argpath,
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if (!S_ISDIR (stats.st_mode))
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{
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error (0, 0, _("`%s' exists but is not a directory"), dirpath);
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+ umask (oldmask);
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return 1;
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}
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+ /* chown must precede chmod because on some systems,
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+ chown clears the set[ug]id bits for non-superusers,
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+ resulting in incorrect permissions.
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+ On System V, users can give away files with chown and then not
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+ be able to chmod them. So don't give files away. */
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+
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+ if (owner != (uid_t) -1 && group != (gid_t) -1
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+ && chown (dirpath, owner, group)
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+#ifdef AFS
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+ && errno != EPERM
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+#endif
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+ )
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+ {
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+ chown_error_details (dirpath, owner, group);
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+ retval = 1;
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+ }
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+ if (chmod (dirpath, mode))
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+ {
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+ chmod_error_details (dirpath, mode);
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+ retval = 1;
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+ }
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}
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+ umask (oldmask);
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return retval;
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}
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diff -up cpio-2.9/src/copypass.c.dir_perm cpio-2.9/src/copypass.c
|
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--- cpio-2.9/src/copypass.c.dir_perm 2008-03-03 11:45:00.000000000 +0100
|
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+++ cpio-2.9/src/copypass.c 2008-03-03 11:45:00.000000000 +0100
|
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@@ -239,23 +239,15 @@ process_copy_pass ()
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cdf_flag = 1;
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}
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#endif
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- res = mkdir (output_name.ds_string, in_file_stat.st_mode & ~077);
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+ res = mkdir (output_name.ds_string, in_file_stat.st_mode);
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}
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else
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- {
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- if (!no_chown_flag && (out_file_stat.st_mode & 077) != 0
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- && chmod (output_name.ds_string, out_file_stat.st_mode & 07700) < 0)
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- {
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- error (0, errno, "%s: chmod", output_name.ds_string);
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- continue;
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- }
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- res = 0;
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- }
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+ res = 0;
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if (res < 0 && create_dir_flag)
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{
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create_all_directories (output_name.ds_string);
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- res = mkdir (output_name.ds_string, in_file_stat.st_mode & ~077);
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+ res = mkdir (output_name.ds_string, in_file_stat.st_mode);
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}
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if (res < 0)
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{
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@@ -298,12 +290,12 @@ process_copy_pass ()
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|
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if (link_res < 0)
|
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{
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- res = mknod (output_name.ds_string, in_file_stat.st_mode & ~077,
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+ res = mknod (output_name.ds_string, in_file_stat.st_mode,
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in_file_stat.st_rdev);
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if (res < 0 && create_dir_flag)
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{
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create_all_directories (output_name.ds_string);
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- res = mknod (output_name.ds_string, in_file_stat.st_mode & ~077,
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+ res = mknod (output_name.ds_string, in_file_stat.st_mode,
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in_file_stat.st_rdev);
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}
|
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if (res < 0)
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@@ -373,8 +365,6 @@ process_copy_pass ()
|
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if (dot_flag)
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fputc ('\n', stderr);
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|
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- apply_delayed_set_stat ();
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-
|
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if (!quiet_flag)
|
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{
|
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size_t blocks = (output_bytes + io_block_size - 1) / io_block_size;
|