]> wimlib.net Git - wimlib/blobdiff - programs/imagex.c
Add --path option to wimlib-imagex dir
[wimlib] / programs / imagex.c
index e524135870343292797ac5ea1a185a929c40ed06..c1d817b970490255eb9dfc303f80737b95fe5c50 100644 (file)
 #  include "imagex-win32.h"
 #  define tbasename    win32_wbasename
 #  define tglob                win32_wglob
+#  define OS_PREFERRED_PATH_SEPARATOR L'\\'
+#  define OS_PREFERRED_PATH_SEPARATOR_STRING L"\\"
 #else /* __WIN32__ */
 #  include <glob.h>
 #  include <getopt.h>
 #  include <langinfo.h>
 #  define tbasename    basename
 #  define tglob                glob
+#  define OS_PREFERRED_PATH_SEPARATOR '/'
+#  define OS_PREFERRED_PATH_SEPARATOR_STRING "/"
 #endif /* !__WIN32 */
 
 
@@ -121,7 +125,7 @@ IMAGEX_PROGNAME" delete WIMFILE (IMAGE_NUM | IMAGE_NAME | all) [--check] [--soft
 ),
 [DIR] =
 T(
-IMAGEX_PROGNAME" dir WIMFILE (IMAGE_NUM | IMAGE_NAME | all)\n"
+IMAGEX_PROGNAME" dir WIMFILE (IMAGE_NUM | IMAGE_NAME | all) [--path=PATH]\n"
 ),
 [EXPORT] =
 T(
@@ -217,6 +221,7 @@ enum {
        IMAGEX_METADATA_OPTION,
        IMAGEX_NORPFIX_OPTION,
        IMAGEX_NO_ACLS_OPTION,
+       IMAGEX_PATH_OPTION,
        IMAGEX_REBUILD_OPTION,
        IMAGEX_RECOMPRESS_OPTION,
        IMAGEX_RECURSIVE_OPTION,
@@ -275,6 +280,11 @@ static const struct option delete_options[] = {
        {NULL, 0, NULL, 0},
 };
 
+static const struct option dir_options[] = {
+       {T("path"), required_argument, NULL, IMAGEX_PATH_OPTION},
+       {NULL, 0, NULL, 0},
+};
+
 static const struct option export_options[] = {
        {T("boot"),       no_argument,       NULL, IMAGEX_BOOT_OPTION},
        {T("check"),      no_argument,       NULL, IMAGEX_CHECK_OPTION},
@@ -976,18 +986,6 @@ stdin_get_text_contents(size_t *num_tchars_ret)
        return translate_text_to_tstr(contents, num_bytes, num_tchars_ret);
 }
 
-/* Return 0 if a path names a file to which the current user has write access;
- * -1 otherwise (and print an error message). */
-static int
-file_writable(const tchar *path)
-{
-       int ret;
-       ret = taccess(path, W_OK);
-       if (ret != 0)
-               imagex_error_with_errno(T("Can't modify \"%"TS"\""), path);
-       return ret;
-}
-
 #define TO_PERCENT(numerator, denominator) \
        (((denominator) == 0) ? 0 : ((numerator) * 100 / (denominator)))
 
@@ -1065,7 +1063,8 @@ imagex_progress_func(enum wimlib_progress_msg msg,
        case WIMLIB_PROGRESS_MSG_SCAN_BEGIN:
                tprintf(T("Scanning \"%"TS"\""), info->scan.source);
                if (*info->scan.wim_target_path) {
-                       tprintf(T(" (loading as WIM path: \"/%"TS"\")...\n"),
+                       tprintf(T(" (loading as WIM path: "
+                                 "\""WIMLIB_WIM_PATH_SEPARATOR_STRING"%"TS"\")...\n"),
                               info->scan.wim_target_path);
                } else {
                        tprintf(T(" (loading as root of WIM image)...\n"));
@@ -1119,7 +1118,8 @@ imagex_progress_func(enum wimlib_progress_msg msg,
                        info->extract.target);
                break;
        case WIMLIB_PROGRESS_MSG_EXTRACT_TREE_BEGIN:
-               tprintf(T("Extracting \"%"TS"\" from image %d (\"%"TS"\") "
+               tprintf(T("Extracting "
+                         "\""WIMLIB_WIM_PATH_SEPARATOR_STRING"%"TS"\" from image %d (\"%"TS"\") "
                          "in \"%"TS"\" to \"%"TS"\"\n"),
                        info->extract.extract_root_wim_source_path,
                        info->extract.image,
@@ -1192,6 +1192,25 @@ imagex_progress_func(enum wimlib_progress_msg msg,
                                info->split.cur_part_number);
                }
                break;
+       case WIMLIB_PROGRESS_MSG_UPDATE_END_COMMAND:
+               switch (info->update.command->op) {
+               case WIMLIB_UPDATE_OP_DELETE:
+                       tprintf(T("Deleted WIM path "
+                                 "\""WIMLIB_WIM_PATH_SEPARATOR_STRING "%"TS"\"\n"),
+                               info->update.command->delete.wim_path);
+                       break;
+               case WIMLIB_UPDATE_OP_RENAME:
+                       tprintf(T("Renamed WIM path "
+                                 "\""WIMLIB_WIM_PATH_SEPARATOR_STRING "%"TS"\" => "
+                                 "\""WIMLIB_WIM_PATH_SEPARATOR_STRING "%"TS"\"\n"),
+                               info->update.command->rename.wim_source_path,
+                               info->update.command->rename.wim_target_path);
+                       break;
+               case WIMLIB_UPDATE_OP_ADD:
+               default:
+                       break;
+               }
+               break;
        default:
                break;
        }
@@ -1631,7 +1650,7 @@ static int
 imagex_capture_or_append(int argc, tchar **argv)
 {
        int c;
-       int open_flags = 0;
+       int open_flags = WIMLIB_OPEN_FLAG_WRITE_ACCESS;
        int add_image_flags = WIMLIB_ADD_IMAGE_FLAG_EXCLUDE_VERBOSE;
        int write_flags = 0;
        int compression_type = WIMLIB_COMPRESSION_TYPE_XPRESS;
@@ -1659,6 +1678,7 @@ imagex_capture_or_append(int argc, tchar **argv)
        bool capture_sources_malloced;
        struct wimlib_capture_source *capture_sources;
        size_t num_sources;
+       bool name_defaulted;
 
        for_opt(c, capture_or_append_options) {
                switch (c) {
@@ -1730,13 +1750,16 @@ imagex_capture_or_append(int argc, tchar **argv)
 
        if (argc >= 3) {
                name = argv[2];
+               name_defaulted = false;
        } else {
                /* Set default name to SOURCE argument, omitting any directory
                 * prefixes and trailing slashes.  This requires making a copy
-                * of @source. */
+                * of @source.  Leave some free characters at the end in case we
+                * append a number to keep the name unique. */
                source_name_len = tstrlen(source);
-               source_copy = alloca((source_name_len + 1) * sizeof(tchar));
+               source_copy = alloca((source_name_len + 1 + 25) * sizeof(tchar));
                name = tbasename(tstrcpy(source_copy, source));
+               name_defaulted = true;
        }
        /* Image description defaults to NULL if not given. */
        desc = (argc >= 4) ? argv[3] : NULL;
@@ -1815,6 +1838,20 @@ imagex_capture_or_append(int argc, tchar **argv)
                        }
                }
        }
+
+       if (cmd == APPEND && name_defaulted) {
+               /* If the user did not specify an image name, and the basename
+                * of the source already exists as an image name in the WIM
+                * file, append a suffix to make it unique. */
+               unsigned long conflict_idx;
+               tchar *name_end = tstrchr(name, T('\0'));
+               for (conflict_idx = 1;
+                    wimlib_image_name_in_use(w, name);
+                    conflict_idx++)
+               {
+                       tsprintf(name_end, T(" (%lu)"), conflict_idx);
+               }
+       }
 #ifdef __WIN32__
        win32_acquire_capture_privileges();
 #endif
@@ -1846,8 +1883,6 @@ imagex_capture_or_append(int argc, tchar **argv)
                ret = wimlib_write(w, wimfile, WIMLIB_ALL_IMAGES, write_flags,
                                   num_threads, imagex_progress_func);
        }
-       if (ret == WIMLIB_ERR_REOPEN)
-               ret = 0;
        if (ret != 0)
                imagex_error(T("Failed to write the WIM file \"%"TS"\""),
                             wimfile);
@@ -1876,7 +1911,7 @@ static int
 imagex_delete(int argc, tchar **argv)
 {
        int c;
-       int open_flags = 0;
+       int open_flags = WIMLIB_OPEN_FLAG_WRITE_ACCESS;
        int write_flags = 0;
        const tchar *wimfile;
        const tchar *image_num_or_name;
@@ -1912,10 +1947,6 @@ imagex_delete(int argc, tchar **argv)
        wimfile = argv[0];
        image_num_or_name = argv[1];
 
-       ret = file_writable(wimfile);
-       if (ret != 0)
-               return ret;
-
        ret = wimlib_open_wim(wimfile, open_flags, &w,
                              imagex_progress_func);
        if (ret != 0)
@@ -1934,8 +1965,6 @@ imagex_delete(int argc, tchar **argv)
        }
 
        ret = wimlib_overwrite(w, write_flags, 0, imagex_progress_func);
-       if (ret == WIMLIB_ERR_REOPEN)
-               ret = 0;
        if (ret != 0) {
                imagex_error(T("Failed to write the file \"%"TS"\" with image "
                               "deleted"), wimfile);
@@ -1945,56 +1974,80 @@ out:
        return ret;
 }
 
+static int
+print_full_path(const struct wimlib_wim_dentry *wdentry, void *_ignore)
+{
+       int ret = tprintf(T("%"TS"\n"), wdentry->full_path);
+       return (ret >= 0) ? 0 : -1;
+}
+
 /* Print the files contained in an image(s) in a WIM file. */
 static int
 imagex_dir(int argc, tchar **argv)
 {
        const tchar *wimfile;
-       WIMStruct *w;
+       WIMStruct *wim = NULL;
        int image;
        int ret;
-       int num_images;
+       const tchar *path = T("");
+       int c;
 
-       if (argc < 2) {
+       for_opt(c, dir_options) {
+               switch (c) {
+               case IMAGEX_PATH_OPTION:
+                       path = optarg;
+                       break;
+               default:
+                       goto out_usage;
+               }
+       }
+       argc -= optind;
+       argv += optind;
+
+       if (argc < 1) {
                imagex_error(T("Must specify a WIM file"));
-               usage(DIR);
-               return -1;
+               goto out_usage;
        }
-       if (argc > 3) {
+       if (argc > 2) {
                imagex_error(T("Too many arguments"));
-               usage(DIR);
-               return -1;
+               goto out_usage;
        }
 
-       wimfile = argv[1];
-       ret = wimlib_open_wim(wimfile, WIMLIB_OPEN_FLAG_SPLIT_OK, &w,
+       wimfile = argv[0];
+       ret = wimlib_open_wim(wimfile, WIMLIB_OPEN_FLAG_SPLIT_OK, &wim,
                              imagex_progress_func);
-       if (ret != 0)
-               return ret;
+       if (ret)
+               goto out;
 
-       if (argc == 3) {
-               image = wimlib_resolve_image(w, argv[2]);
-               ret = verify_image_exists(image, argv[2], wimfile);
-               if (ret != 0)
-                       goto out;
+       if (argc == 2) {
+               image = wimlib_resolve_image(wim, argv[1]);
+               ret = verify_image_exists(image, argv[1], wimfile);
+               if (ret)
+                       goto out_wimlib_free;
        } else {
                /* Image was not specified.  If the WIM only contains one image,
                 * choose that one; otherwise, print an error. */
-               num_images = wimlib_get_num_images(w);
+               int num_images = wimlib_get_num_images(wim);
                if (num_images != 1) {
                        imagex_error(T("\"%"TS"\" contains %d images; Please "
                                       "select one."), wimfile, num_images);
-                       usage(DIR);
-                       ret = -1;
-                       goto out;
+                       wimlib_free(wim);
+                       goto out_usage;
                }
                image = 1;
        }
 
-       ret = wimlib_print_files(w, image);
+       ret = wimlib_iterate_dir_tree(wim, image, path,
+                                     WIMLIB_ITERATE_DIR_TREE_FLAG_RECURSIVE,
+                                     print_full_path, NULL);
+out_wimlib_free:
+       wimlib_free(wim);
 out:
-       wimlib_free(w);
        return ret;
+out_usage:
+       usage(DIR);
+       ret = -1;
+       goto out;
 }
 
 /* Exports one, or all, images from a WIM file to a new WIM file or an existing
@@ -2087,12 +2140,8 @@ imagex_export(int argc, tchar **argv)
                        ret = -1;
                        goto out;
                }
-               ret = wimlib_open_wim(dest_wimfile, open_flags, &dest_w,
-                                     imagex_progress_func);
-               if (ret != 0)
-                       goto out;
-
-               ret = file_writable(dest_wimfile);
+               ret = wimlib_open_wim(dest_wimfile, open_flags | WIMLIB_OPEN_FLAG_WRITE_ACCESS,
+                                     &dest_w, imagex_progress_func);
                if (ret != 0)
                        goto out;
 
@@ -2151,8 +2200,6 @@ imagex_export(int argc, tchar **argv)
                ret = wimlib_overwrite(dest_w, write_flags, num_threads,
                                       imagex_progress_func);
 out:
-       if (ret == WIMLIB_ERR_REOPEN)
-               ret = 0;
        wimlib_free(src_w);
        wimlib_free(dest_w);
        if (additional_swms) {
@@ -2215,8 +2262,8 @@ prepare_extract_commands(tchar **paths, unsigned num_paths,
                                free_extract_commands(cmds, num_cmds, dest_dir);
                                return NULL;
                        }
-                       tsprintf(cmds[i].fs_dest_path, T("%"TS"/%"TS), dest_dir,
-                                tbasename(paths[i]));
+                       tsprintf(cmds[i].fs_dest_path, T("%"TS""OS_PREFERRED_PATH_SEPARATOR_STRING"%"TS),
+                                dest_dir, tbasename(paths[i]));
                }
        }
        *num_cmds_ret = num_cmds;
@@ -2548,11 +2595,7 @@ imagex_info(int argc, tchar **argv)
        } else {
 
                /* Modification operations */
-               if (total_parts != 1) {
-                       imagex_error(T("Modifying a split WIM is not supported."));
-                       ret = -1;
-                       goto out;
-               }
+
                if (image == WIMLIB_ALL_IMAGES)
                        image = 1;
 
@@ -2571,7 +2614,9 @@ imagex_info(int argc, tchar **argv)
                        } else {
                                tprintf(T("Marking image %d as bootable.\n"),
                                        image);
-                               wimlib_set_boot_idx(w, image);
+                               ret = wimlib_set_boot_idx(w, image);
+                               if (ret)
+                                       goto out;
                        }
                }
                if (new_name) {
@@ -2610,21 +2655,12 @@ imagex_info(int argc, tchar **argv)
                if (boot || new_name || new_desc ||
                    (check && !wimlib_has_integrity_table(w)))
                {
-                       int write_flags;
-
-                       ret = file_writable(wimfile);
-                       if (ret != 0)
-                               goto out;
+                       int write_flags = 0;
 
                        if (check)
-                               write_flags = WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
-                       else
-                               write_flags = 0;
-
+                               write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
                        ret = wimlib_overwrite(w, write_flags, 1,
                                               imagex_progress_func);
-                       if (ret == WIMLIB_ERR_REOPEN)
-                               ret = 0;
                } else {
                        tprintf(T("The file \"%"TS"\" was not modified because nothing "
                                  "needed to be done.\n"), wimfile);
@@ -2693,8 +2729,10 @@ imagex_mount_rw_or_ro(int argc, tchar **argv)
        unsigned num_additional_swms = 0;
        const tchar *staging_dir = NULL;
 
-       if (!tstrcmp(argv[0], T("mountrw")))
+       if (!tstrcmp(argv[0], T("mountrw"))) {
                mount_flags |= WIMLIB_MOUNT_FLAG_READWRITE;
+               open_flags |= WIMLIB_OPEN_FLAG_WRITE_ACCESS;
+       }
 
        for_opt(c, mount_options) {
                switch (c) {
@@ -2773,12 +2811,6 @@ imagex_mount_rw_or_ro(int argc, tchar **argv)
                        goto out;
        }
 
-       if (mount_flags & WIMLIB_MOUNT_FLAG_READWRITE) {
-               ret = file_writable(wimfile);
-               if (ret != 0)
-                       goto out;
-       }
-
        ret = wimlib_mount_image(w, image, dir, mount_flags, additional_swms,
                                 num_additional_swms, staging_dir);
        if (ret != 0) {
@@ -2806,7 +2838,7 @@ static int
 imagex_optimize(int argc, tchar **argv)
 {
        int c;
-       int open_flags = 0;
+       int open_flags = WIMLIB_OPEN_FLAG_WRITE_ACCESS;
        int write_flags = WIMLIB_WRITE_FLAG_REBUILD;
        int ret;
        WIMStruct *w;
@@ -2844,10 +2876,6 @@ imagex_optimize(int argc, tchar **argv)
 
        wimfile = argv[0];
 
-       ret = file_writable(wimfile);
-       if (ret)
-               return ret;
-
        ret = wimlib_open_wim(wimfile, open_flags, &w,
                              imagex_progress_func);
        if (ret)
@@ -2981,9 +3009,9 @@ imagex_update(int argc, tchar **argv)
        int image;
        WIMStruct *wim;
        int ret;
-       int open_flags = 0;
+       int open_flags = WIMLIB_OPEN_FLAG_WRITE_ACCESS;
        int write_flags = 0;
-       int update_flags = 0;
+       int update_flags = WIMLIB_UPDATE_FLAG_SEND_PROGRESS;
        int default_add_flags = WIMLIB_ADD_IMAGE_FLAG_EXCLUDE_VERBOSE;
        int default_delete_flags = 0;
        unsigned num_threads = 0;
@@ -3072,10 +3100,6 @@ imagex_update(int argc, tchar **argv)
                goto out_usage;
        wimfile = argv[0];
 
-       ret = file_writable(wimfile);
-       if (ret)
-               goto out;
-
        ret = wimlib_open_wim(wimfile, open_flags, &wim, imagex_progress_func);
        if (ret)
                goto out;
@@ -3145,11 +3169,13 @@ imagex_update(int argc, tchar **argv)
        }
 
        /* Set default flags and capture config on the update commands */
+       bool have_add_command = false;
        for (size_t i = 0; i < num_cmds; i++) {
                switch (cmds[i].op) {
                case WIMLIB_UPDATE_OP_ADD:
                        cmds[i].add.add_flags |= default_add_flags;
                        cmds[i].add.config = config;
+                       have_add_command = true;
                        break;
                case WIMLIB_UPDATE_OP_DELETE:
                        cmds[i].delete.delete_flags |= default_delete_flags;
@@ -3160,7 +3186,8 @@ imagex_update(int argc, tchar **argv)
        }
 
 #ifdef __WIN32__
-       win32_acquire_capture_privileges();
+       if (have_add_command)
+               win32_acquire_capture_privileges();
 #endif
 
        /* Execute the update commands */
@@ -3174,7 +3201,8 @@ imagex_update(int argc, tchar **argv)
                               imagex_progress_func);
 out_release_privs:
 #ifdef __WIN32__
-       win32_release_capture_privileges();
+       if (have_add_command)
+               win32_release_capture_privileges();
 #endif
        free(cmds);
 out_free_cmd_file_contents: