]> wimlib.net Git - wimlib/blobdiff - src/extract.c
apply_operations: Remove 'strict' argument from set_security_descriptor()
[wimlib] / src / extract.c
index ce72b781c3cea87f5384cd9bd898a44bf381d293..446b55551b29337b6e2d5fdd08e027b58fa2162b 100644 (file)
@@ -740,9 +740,7 @@ extract_security(const tchar *path, struct apply_ctx *ctx,
                desc_size = sd->sizes[inode->i_security_id];
 
                ret = ctx->ops->set_security_descriptor(path, desc,
-                                                       desc_size, ctx,
-                                                       !!(ctx->extract_flags &
-                                                          WIMLIB_EXTRACT_FLAG_STRICT_ACLS));
+                                                       desc_size, ctx);
                if (ret) {
                        if (ctx->extract_flags & WIMLIB_EXTRACT_FLAG_STRICT_ACLS) {
                                ERROR_WITH_ERRNO("Failed to set security "
@@ -1265,10 +1263,13 @@ extract_stream_list(struct apply_ctx *ctx)
        return 0;
 }
 
+#define PWM_ALLOW_WIM_HDR 0x00001
+#define PWM_SILENT_EOF   0x00002
+
 /* Read the header from a stream in a pipable WIM.  */
 static int
 read_pwm_stream_header(WIMStruct *pwm, struct wim_lookup_table_entry *lte,
-                      bool allow_header)
+                      int flags)
 {
        struct pwm_stream_hdr stream_hdr;
        int ret;
@@ -1277,7 +1278,7 @@ read_pwm_stream_header(WIMStruct *pwm, struct wim_lookup_table_entry *lte,
        if (ret)
                goto read_error;
 
-       if (allow_header && stream_hdr.magic == PWM_MAGIC) {
+       if ((flags & PWM_ALLOW_WIM_HDR) && stream_hdr.magic == PWM_MAGIC) {
                u8 buf[WIM_HEADER_DISK_SIZE - sizeof(stream_hdr)];
                ret = full_read(&pwm->in_fd, buf, sizeof(buf));
                if (ret)
@@ -1308,7 +1309,8 @@ read_pwm_stream_header(WIMStruct *pwm, struct wim_lookup_table_entry *lte,
        return 0;
 
 read_error:
-       ERROR_WITH_ERRNO("Error reading pipable WIM from pipe");
+       if (ret != WIMLIB_ERR_UNEXPECTED_END_OF_FILE || !(flags & PWM_SILENT_EOF))
+               ERROR_WITH_ERRNO("Error reading pipable WIM from pipe");
        return ret;
 }
 
@@ -1329,6 +1331,7 @@ extract_streams_from_pipe(struct apply_ctx *ctx)
        struct wim_lookup_table_entry *needed_lte;
        struct wim_lookup_table *lookup_table;
        int ret;
+       int pwm_flags;
 
        ret = WIMLIB_ERR_NOMEM;
        found_lte = new_lookup_table_entry();
@@ -1336,11 +1339,19 @@ extract_streams_from_pipe(struct apply_ctx *ctx)
                goto out;
 
        lookup_table = ctx->wim->lookup_table;
-
+       pwm_flags = PWM_ALLOW_WIM_HDR;
+       if ((ctx->extract_flags & WIMLIB_EXTRACT_FLAG_RESUME))
+               pwm_flags |= PWM_SILENT_EOF;
        while (ctx->num_streams_remaining) {
-               ret = read_pwm_stream_header(ctx->wim, found_lte, true);
-               if (ret)
+               ret = read_pwm_stream_header(ctx->wim, found_lte, pwm_flags);
+               if (ret) {
+                       if (ret == WIMLIB_ERR_UNEXPECTED_END_OF_FILE &&
+                           (ctx->extract_flags & WIMLIB_EXTRACT_FLAG_RESUME))
+                       {
+                               goto resume_done;
+                       }
                        goto out_free_found_lte;
+               }
 
                if ((found_lte->resource_location != RESOURCE_NONEXISTENT)
                    && !(found_lte->resource_entry.flags & WIM_RESHDR_FLAG_METADATA)
@@ -1369,6 +1380,10 @@ out_free_found_lte:
        free_lookup_table_entry(found_lte);
 out:
        return ret;
+
+resume_done:
+       /* TODO */
+       return 0;
 }
 
 /* Finish extracting a file, directory, or symbolic link by setting file
@@ -2128,9 +2143,12 @@ extract_tree(WIMStruct *wim, const tchar *wim_source_path, const tchar *target,
                if (progress_func)
                        progress_func(WIMLIB_PROGRESS_MSG_EXTRACT_DIR_STRUCTURE_BEGIN,
                                      &ctx.progress);
-               ret = for_dentry_in_tree(root, dentry_extract_skeleton, &ctx);
-               if (ret)
-                       goto out_free_realtarget;
+
+               if (!(extract_flags & WIMLIB_EXTRACT_FLAG_RESUME)) {
+                       ret = for_dentry_in_tree(root, dentry_extract_skeleton, &ctx);
+                       if (ret)
+                               goto out_free_realtarget;
+               }
                if (progress_func)
                        progress_func(WIMLIB_PROGRESS_MSG_EXTRACT_DIR_STRUCTURE_END,
                                      &ctx.progress);
@@ -2245,6 +2263,11 @@ check_extract_command(struct wimlib_extract_command *cmd, int wim_header_flags)
                                                WIMLIB_EXTRACT_FLAG_NORPFIX))
                return WIMLIB_ERR_INVALID_PARAM;
 
+       if ((extract_flags &
+            (WIMLIB_EXTRACT_FLAG_RESUME |
+             WIMLIB_EXTRACT_FLAG_FROM_PIPE)) == WIMLIB_EXTRACT_FLAG_RESUME)
+               return WIMLIB_ERR_INVALID_PARAM;
+
        if (extract_flags & WIMLIB_EXTRACT_FLAG_NTFS) {
 #ifndef WITH_NTFS_3G
                ERROR("wimlib was compiled without support for NTFS-3g, so\n"
@@ -2630,7 +2653,7 @@ wimlib_extract_image_from_pipe(int pipe_fd, const tchar *image_num_or_name,
         * WIMs.)  */
        {
                struct wim_lookup_table_entry xml_lte;
-               ret = read_pwm_stream_header(pwm, &xml_lte, false);
+               ret = read_pwm_stream_header(pwm, &xml_lte, 0);
                if (ret)
                        goto out_wimlib_free;
 
@@ -2690,7 +2713,7 @@ wimlib_extract_image_from_pipe(int pipe_fd, const tchar *image_num_or_name,
                        goto out_wimlib_free;
                }
 
-               ret = read_pwm_stream_header(pwm, metadata_lte, false);
+               ret = read_pwm_stream_header(pwm, metadata_lte, 0);
                imd = pwm->image_metadata[i - 1];
                imd->metadata_lte = metadata_lte;
                if (ret)