Build files.c only for tools

Move files.c into tools directory

2 files changed, 0 insertions, 745 deletions

diff --git a/server/util/files.c b/server/util/files.c
deleted file mode 100644
index ce73fc8be..000000000
--- a/server/util/files.c
+++ /dev/null
@@ -1,735 +0,0 @@
-/*
-    Authors:
-        Jakub Hrozek <jhrozek@redhat.com>
-
-    Copyright (C) 2009 Red Hat
-
-    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 3 of the License, 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, see <http://www.gnu.org/licenses/>.
-*/
-
-/*
- * This file incorporates work covered by the following copyright and
- * permission notice:
- *
- * Copyright (c) 1991 - 1994, Julianne Frances Haugh
- * Copyright (c) 1996 - 2001, Marek Michałkiewicz
- * Copyright (c) 2003 - 2006, Tomasz Kłoczko
- * Copyright (c) 2007 - 2008, Nicolas François
- *
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the copyright holders or contributors may not be used to
- *    endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <sys/time.h>
-#include <dirent.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <talloc.h>
-
-#include "config.h"
-#include "util/util.h"
-
-#ifdef HAVE_SELINUX
-#include <selinux/selinux.h>
-#endif
-
-int copy_tree(const char *src_root, const char *dst_root,
-              uid_t uid, gid_t gid);
-
-struct copy_ctx {
-    const char *src_orig;
-    const char *dst_orig;
-    dev_t       src_dev;
-};
-
-#ifdef HAVE_SELINUX
-/*
- * selinux_file_context - Set the security context before any file or
- *                        directory creation.
- *
- *	selinux_file_context () should be called before any creation of file,
- *	symlink, directory, ...
- *
- *	Callers may have to Reset SELinux to create files with default
- *	contexts:
- *		reset_selinux_file_context();
- */
-int selinux_file_context(const char *dst_name)
-{
-    security_context_t scontext = NULL;
-
-    if (is_selinux_enabled() == 1) {
-        /* Get the default security context for this file */
-        if (matchpathcon(dst_name, 0, &scontext) < 0) {
-            if (security_getenforce () != 0) {
-                return 1;
-            }
-        }
-        /* Set the security context for the next created file */
-        if (setfscreatecon(scontext) < 0) {
-            if (security_getenforce() != 0) {
-                return 1;
-            }
-        }
-        freecon(scontext);
-    }
-
-    return 0;
-}
-
-int reset_selinux_file_context(void)
-{
-    setfscreatecon(NULL);
-    return EOK;
-}
-
-#else   /* HAVE_SELINUX */
-int selinux_file_context(const char *dst_name)
-{
-    return EOK;
-}
-
-int reset_selinux_file_context(void)
-{
-    return EOK;
-}
-#endif  /* HAVE_SELINUX */
-
-/* wrapper in order not to create a temporary context in
- * every iteration */
-static int remove_tree_with_ctx(TALLOC_CTX *mem_ctx,
-                                dev_t parent_dev,
-                                const char *root);
-
-int remove_tree(const char *root)
-{
-    TALLOC_CTX *tmp_ctx = NULL;
-    int ret;
-
-    tmp_ctx = talloc_new(NULL);
-    if (!tmp_ctx) {
-        return ENOMEM;
-    }
-
-    ret = remove_tree_with_ctx(tmp_ctx, 0, root);
-    talloc_free(tmp_ctx);
-    return ret;
-}
-
-/*
- * The context is not freed in case of error
- * because this is a recursive function, will be freed when we
- * reach the top level remove_tree() again
- */
-static int remove_tree_with_ctx(TALLOC_CTX *mem_ctx,
-                                dev_t parent_dev,
-                                const char *root)
-{
-    char *fullpath = NULL;
-    struct dirent *result;
-    struct dirent direntp;
-    struct stat statres;
-    DIR *rootdir = NULL;
-    int ret;
-
-    rootdir = opendir(root);
-    if (rootdir == NULL) {
-        ret = errno;
-        DEBUG(1, ("Cannot open directory %s [%d][%s]",
-                  root, ret, strerror(ret)));
-        goto fail;
-    }
-
-    while (readdir_r(rootdir, &direntp, &result) == 0) {
-        if (result == NULL) {
-            /* End of directory */
-            break;
-        }
-
-        if (strcmp (direntp.d_name, ".") == 0 ||
-            strcmp (direntp.d_name, "..") == 0) {
-            continue;
-        }
-
-        fullpath = talloc_asprintf(mem_ctx, "%s/%s", root, direntp.d_name);
-        if (fullpath == NULL) {
-            ret = ENOMEM;
-            goto fail;
-        }
-
-        ret = lstat(fullpath, &statres);
-        if (ret != 0) {
-            ret = errno;
-            DEBUG(1, ("Cannot stat %s: [%d][%s]\n",
-                      fullpath, ret, strerror(ret)));
-            goto fail;
-        }
-
-        if (S_ISDIR(statres.st_mode)) {
-            /* if directory, recursively descend, but check if on the same FS */
-            if (parent_dev && parent_dev != statres.st_dev) {
-                DEBUG(1, ("Directory %s is on different filesystem, "
-                          "will not follow\n", fullpath));
-                ret = EFAULT;
-                goto fail;
-            }
-
-            ret = remove_tree_with_ctx(mem_ctx, statres.st_dev, fullpath);
-            if (ret != EOK) {
-                DEBUG(1, ("Removing subdirectory %s failed: [%d][%s]\n",
-                            fullpath, ret, strerror(ret)));
-                goto fail;
-            }
-        } else {
-            ret = unlink(fullpath);
-            if (ret != 0) {
-                ret = errno;
-                DEBUG(1, ("Removing file %s failed: [%d][%s]\n",
-                          fullpath, ret, strerror(ret)));
-                goto fail;
-            }
-        }
-
-        talloc_free(fullpath);
-    }
-
-    ret = closedir(rootdir);
-    if (ret != 0) {
-        ret = errno;
-        goto fail;
-    }
-
-    ret = rmdir(root);
-    if (ret != 0) {
-        ret = errno;
-        goto fail;
-    }
-
-fail:
-    return ret;
-}
-
-static int copy_dir(const char *src, const char *dst,
-                    const struct stat *statp, const struct timeval mt[2],
-                    uid_t uid, gid_t gid)
-{
-    int ret = 0;
-
-    /*
-     * Create a new target directory, make it owned by
-     * the user and then recursively copy that directory.
-     */
-    selinux_file_context(dst);
-
-    ret = mkdir(dst, statp->st_mode);
-    if (ret != 0) {
-        ret = errno;
-        DEBUG(1, ("Cannot mkdir directory '%s': [%d][%s].\n",
-                  dst, ret, strerror(ret)));
-        return ret;
-    }
-
-    ret = chown(dst, uid, gid);
-    if (ret != 0) {
-        ret = errno;
-        DEBUG(1, ("Cannot chown directory '%s': [%d][%s].\n",
-                  dst, ret, strerror(ret)));
-        return ret;
-    }
-
-    ret = chmod(dst, statp->st_mode);
-    if (ret != 0) {
-        ret = errno;
-        DEBUG(1, ("Cannot chmod directory '%s': [%d][%s].\n",
-                  dst, ret, strerror(ret)));
-        return ret;
-    }
-
-    ret = copy_tree(src, dst, uid, gid);
-    if (ret != 0) {
-        ret = errno;
-        DEBUG(1, ("Cannot copy directory from '%s' to '%s': [%d][%s].\n",
-                  src, dst, ret, strerror(ret)));
-        return ret;
-    }
-
-    ret = utimes(dst, mt);
-    if (ret != 0) {
-        ret = errno;
-        DEBUG(1, ("Cannot set utimes on a directory '%s': [%d][%s].\n",
-                  dst, ret, strerror(ret)));
-        return ret;
-    }
-
-    return EOK;
-}
-
-static char *talloc_readlink(TALLOC_CTX *mem_ctx, const char *filename)
-{
-    size_t size = 1024;
-    ssize_t nchars;
-    char *buffer;
-
-    buffer = talloc_array(mem_ctx, char, size);
-    if (!buffer) {
-        return NULL;
-    }
-
-    while (1) {
-        nchars = readlink(filename, buffer, size);
-        if (nchars < 0) {
-            return NULL;
-        }
-
-        if ((size_t) nchars < size) {
-            /* The buffer was large enough */
-            break;
-        }
-
-        /* Try again with a bigger buffer */
-        size *= 2;
-        buffer = talloc_realloc(mem_ctx, buffer, char, size);
-        if (!buffer) {
-            return NULL;
-        }
-    }
-
-    /* readlink does not nul-terminate */
-    buffer[nchars] = '\0';
-    return buffer;
-}
-
-static int copy_symlink(struct copy_ctx *cctx,
-                        const char *src,
-                        const char *dst,
-                        const struct stat *statp,
-                        const struct timeval mt[],
-                        uid_t uid, gid_t gid)
-{
-    int ret;
-    char *oldlink;
-    char *tmp;
-    TALLOC_CTX *tmp_ctx = NULL;
-
-    tmp_ctx = talloc_new(cctx);
-    if (!tmp_ctx) {
-        return ENOMEM;
-    }
-
-    /*
-     * Get the name of the file which the link points
-     * to.  If that name begins with the original
-     * source directory name, that part of the link
-     * name will be replaced with the original
-     * destination directory name.
-     */
-    oldlink = talloc_readlink(tmp_ctx, src);
-    if (oldlink == NULL) {
-        ret = ENOMEM;
-        goto done;
-    }
-
-    /* If src was a link to an entry of the src_orig directory itself,
-     * create a link to the corresponding entry in the dst_orig
-     * directory.
-     * FIXME: This may change a relative link to an absolute link
-     */
-    if (strncmp(oldlink, cctx->src_orig, strlen(cctx->src_orig)) == 0) {
-        tmp = talloc_asprintf(tmp_ctx, "%s%s", cctx->dst_orig, oldlink + strlen(cctx->src_orig));
-        if (tmp == NULL) {
-            ret = ENOMEM;
-            goto done;
-        }
-
-        talloc_free(oldlink);
-        oldlink = tmp;
-    }
-
-    selinux_file_context(dst);
-
-    ret = symlink(oldlink, dst);
-    if (ret != 0) {
-        ret = errno;
-        DEBUG(1, ("symlink() failed on file '%s': [%d][%s].\n",
-                  dst, ret, strerror(ret)));
-        goto done;
-    }
-
-    ret = lchown(dst, uid, gid);
-    if (ret != 0) {
-        ret = errno;
-        DEBUG(1, ("lchown() failed on file '%s': [%d][%s].\n",
-                  dst, ret, strerror(ret)));
-        goto done;
-    }
-
-done:
-    talloc_free(tmp_ctx);
-    return ret;
-}
-
-static int copy_special(const char *dst,
-                        const struct stat *statp,
-                        const struct timeval mt[],
-                        uid_t uid, gid_t gid)
-{
-    int ret = 0;
-
-    selinux_file_context(dst);
-
-    ret = mknod(dst, statp->st_mode & ~07777, statp->st_rdev);
-    if (ret != 0) {
-        ret = errno;
-        DEBUG(1, ("Cannot mknod special file '%s': [%d][%s].\n",
-                  dst, ret, strerror(ret)));
-        return ret;
-    }
-
-    ret = chown(dst, uid, gid);
-    if (ret != 0) {
-        ret = errno;
-        DEBUG(1, ("Cannot chown special file '%s': [%d][%s].\n",
-                  dst, ret, strerror(ret)));
-        return ret;
-    }
-
-    ret = chmod(dst, statp->st_mode & 07777);
-    if (ret != 0) {
-        ret = errno;
-        DEBUG(1, ("Cannot chmod special file '%s': [%d][%s].\n",
-                  dst, ret, strerror(ret)));
-        return ret;
-    }
-
-    ret = utimes(dst, mt);
-    if (ret != 0) {
-        ret = errno;
-        DEBUG(1, ("Cannot call utimes on special file '%s': [%d][%s].\n",
-                  dst, ret, strerror(ret)));
-        return ret;
-    }
-
-    return EOK;
-}
-
-static int copy_file(const char *src,
-                     const char *dst,
-                     const struct stat *statp,
-                     const struct timeval mt[],
-                     uid_t uid, gid_t gid)
-{
-    int ret;
-    int ifd = -1;
-    int ofd = -1;
-    char buf[1024];
-    ssize_t cnt, written, offset;
-    struct stat fstatbuf;
-
-    ifd = open(src, O_RDONLY);
-    if (ifd < 0) {
-        ret = errno;
-        DEBUG(1, ("Cannot open() source file '%s': [%d][%s].\n",
-                  src, ret, strerror(ret)));
-        goto fail;
-    }
-
-    ret = fstat(ifd, &fstatbuf);
-    if (ret != 0) {
-        ret = errno;
-        DEBUG(1, ("Cannot fstat() source file '%s': [%d][%s].\n",
-                  src, ret, strerror(ret)));
-        goto fail;
-    }
-
-    if (statp->st_dev != fstatbuf.st_dev ||
-        statp->st_ino != fstatbuf.st_ino) {
-        DEBUG(1, ("File %s was modified between lstat and open.\n", src));
-        ret = EIO;
-        goto fail;
-    }
-
-    selinux_file_context(dst);
-
-    ofd = open(dst, O_WRONLY | O_CREAT | O_TRUNC, statp->st_mode & 07777);
-    if (ofd < 0) {
-        ret = errno;
-        DEBUG(1, ("Cannot open() destination file '%s': [%d][%s].\n",
-                  dst, ret, strerror(ret)));
-        goto fail;
-    }
-
-    ret = fchown(ofd, uid, gid);
-    if (ret != 0) {
-        ret = errno;
-        DEBUG(1, ("Cannot fchown() destination file '%s': [%d][%s].\n",
-                  dst, ret, strerror(ret)));
-        goto fail;
-    }
-
-    ret = fchmod(ofd, statp->st_mode & 07777);
-    if (ret != 0) {
-        ret = errno;
-        DEBUG(1, ("Cannot fchmod() destination file '%s': [%d][%s].\n",
-                  dst, ret, strerror(ret)));
-        goto fail;
-    }
-
-    while ((cnt = read(ifd, buf, sizeof(buf))) > 0) {
-        offset = 0;
-        while (cnt > 0) {
-            written = write(ofd, buf+offset, (size_t)cnt);
-            if (written == -1) {
-                ret = errno;
-                DEBUG(1, ("Cannot write() to source file '%s': [%d][%s].\n",
-                            dst, ret, strerror(ret)));
-                goto fail;
-            }
-            offset += written;
-            cnt -= written;
-        }
-    }
-    if (cnt == -1) {
-        ret = errno;
-        DEBUG(1, ("Cannot read() from source file '%s': [%d][%s].\n",
-                    dst, ret, strerror(ret)));
-        goto fail;
-    }
-
-
-    ret = close(ifd);
-    ifd = -1;
-    if (ret != 0) {
-        ret = errno;
-        DEBUG(1, ("Cannot close() source file '%s': [%d][%s].\n",
-                  dst, ret, strerror(ret)));
-        goto fail;
-    }
-
-    ret = close(ofd);
-    ifd = -1;
-    if (ret != 0) {
-        ret = errno;
-        DEBUG(1, ("Cannot close() destination file '%s': [%d][%s].\n",
-                  dst, ret, strerror(ret)));
-        goto fail;
-    }
-
-    ret = utimes(dst, mt);
-    if (ret != 0) {
-        ret = errno;
-        DEBUG(1, ("Cannot call utimes() on destination file '%s': [%d][%s].\n",
-                  dst, ret, strerror(ret)));
-        goto fail;
-    }
-
-    return EOK;
-
-    /* Reachable by jump only */
-fail:
-    if (ifd != -1) close(ifd);
-    if (ofd != -1) close(ofd);
-    return ret;
-}
-
-/*
- * The context is not freed in case of error
- * because this is a recursive function, will be freed when we
- * reach the top level copy_tree() again
- */
-static int copy_entry(struct copy_ctx *cctx,
-                      const char *src,
-                      const char *dst,
-                      uid_t uid,
-                      gid_t gid)
-{
-    int ret = EOK;
-    struct stat sb;
-    struct timeval mt[2];
-
-    ret = lstat(src, &sb);
-    if (ret == -1) {
-        ret = errno;
-        DEBUG(1, ("Cannot lstat() the source file '%s': [%d][%s].\n",
-                  src, ret, strerror(ret)));
-        return ret;
-    }
-
-    mt[0].tv_sec  = sb.st_atime;
-    mt[0].tv_usec = 0;
-
-    mt[1].tv_sec  = sb.st_mtime;
-    mt[1].tv_usec = 0;
-
-    if (S_ISLNK (sb.st_mode)) {
-        ret = copy_symlink(cctx, src, dst, &sb, mt, uid, gid);
-        if (ret != EOK) {
-            DEBUG(1, ("Cannot copy symlink '%s' to '%s': [%d][%s]\n",
-                      src, dst, ret, strerror(ret)));
-        }
-        return ret;
-    }
-
-    if (S_ISDIR(sb.st_mode)) {
-        /* Check if we're still on the same FS */
-        if (sb.st_dev != cctx->src_dev) {
-            DEBUG(2, ("Will not descend to other FS\n"));
-            /* Skip this without error */
-            return EOK;
-        }
-        return copy_dir(src, dst, &sb, mt, uid, gid);
-    } else if (!S_ISREG(sb.st_mode)) {
-        /*
-         * Deal with FIFOs and special files.  The user really
-         * shouldn't have any of these, but it seems like it
-         * would be nice to copy everything ...
-         */
-        return copy_special(dst, &sb, mt, uid, gid);
-    } else {
-        /*
-         * Create the new file and copy the contents.  The new
-         * file will be owned by the provided UID and GID values.
-         */
-        return copy_file(src, dst, &sb, mt, uid, gid);
-    }
-
-    return ret;
-}
-
-/*
- * The context is not freed in case of error
- * because this is a recursive function, will be freed when we
- * reach the top level copy_tree() again
- */
-static int copy_tree_ctx(struct copy_ctx *cctx,
-                         const char *src_root,
-                         const char *dst_root,
-                         uid_t uid,
-                         gid_t gid)
-{
-    DIR *src_dir;
-    int ret;
-    struct dirent *result;
-    struct dirent direntp;
-    char *src_name, *dst_name;
-    TALLOC_CTX *tmp_ctx;
-
-    tmp_ctx = talloc_new(cctx);
-
-    src_dir = opendir(src_root);
-    if (src_dir == NULL) {
-        ret = errno;
-        DEBUG(1, ("Cannot open the source directory %s: [%d][%s].\n",
-                  src_root, ret, strerror(ret)));
-        goto fail;
-    }
-
-    while (readdir_r(src_dir, &direntp, &result) == 0) {
-        if (result == NULL) {
-            /* End of directory */
-            break;
-        }
-
-        if (strcmp (direntp.d_name, ".") == 0 ||
-            strcmp (direntp.d_name, "..") == 0) {
-            continue;
-        }
-
-        /* build src and dst paths */
-        src_name = talloc_asprintf(tmp_ctx, "%s/%s", src_root, direntp.d_name);
-        dst_name = talloc_asprintf(tmp_ctx, "%s/%s", dst_root, direntp.d_name);
-        if (dst_name == NULL || src_name == NULL) {
-            ret = ENOMEM;
-            goto fail;
-        }
-
-        /* copy */
-        ret = copy_entry(cctx, src_name, dst_name, uid, gid);
-        if (ret != EOK) {
-            DEBUG(1, ("Cannot copy '%s' to '%s', error %d\n",
-                      src_name, dst_name, ret));
-            goto fail;
-        }
-        talloc_free(src_name);
-        talloc_free(dst_name);
-    }
-
-    ret = closedir(src_dir);
-    if (ret != 0) {
-        ret = errno;
-        goto fail;
-    }
-
-fail:
-    talloc_free(tmp_ctx);
-    return ret;
-}
-
-int copy_tree(const char *src_root, const char *dst_root,
-              uid_t uid, gid_t gid)
-{
-    int ret = EOK;
-    struct copy_ctx *cctx = NULL;
-    struct stat s_src;
-
-    cctx = talloc_zero(NULL, struct copy_ctx);
-
-    ret = lstat(src_root, &s_src);
-    if (ret != 0) {
-        ret = errno;
-        DEBUG(1, ("Cannot lstat the source directory '%s': [%d][%s]\n",
-                  src_root, ret, strerror(ret)));
-        goto fail;
-    }
-
-    cctx->src_orig = src_root;
-    cctx->dst_orig = dst_root;
-    cctx->src_dev  = s_src.st_dev;
-
-    ret = copy_tree_ctx(cctx, src_root, dst_root, uid, gid);
-    if (ret != EOK) {
-        DEBUG(1, ("copy_tree_ctx failed: [%d][%s]\n", ret, strerror(ret)));
-        goto fail;
-    }
-
-fail:
-    reset_selinux_file_context();
-    talloc_free(cctx);
-    return ret;
-}
-
diff --git a/server/util/util.h b/server/util/util.h
index 70dba3721..9a27ae559 100644
--- a/server/util/util.h
+++ b/server/util/util.h
@@ -205,14 +205,4 @@ int backup_file(const char *src, int dbglvl);
 errno_t check_and_open_readonly(const char *filename, int *fd, const uid_t uid,
                                const gid_t gid, const mode_t mode);
 
-/* from files.c */
-int remove_tree(const char *root);
-
-int copy_tree(const char *src_root,
-              const char *dst_root,
-              uid_t uid, gid_t gid);
-
-int selinux_file_context(const char *dst_name);
-int reset_selinux_file_context(void);
-
 #endif /* __SSSD_UTIL_H__ */