libburnia/libisofs
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Rectified handling of oversized filenames by new API calls:

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iso_image_set_truncate_mode, iso_image_get_truncate_mode,
iso_truncate_leaf_name, iso_image_set_node_name, iso_image_tree_clone,
iso_image_add_new_dir, iso_image_add_new_file, iso_image_add_new_special,
iso_image_add_new_symlink, iso_image_dir_get_node, iso_image_path_to_node,
This commit is contained in:
Thomas Schmitt
2015-09-17 13:59:05 +02:00
parent 7ac5b75748
commit 7a3560035a
12 changed files with 847 additions and 63 deletions
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45
libisofs/image.c
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@ -188,6 +188,9 @@ int iso_image_new(const char *name, IsoImage **image)
img->import_src = NULL;
img->builder_ignore_acl = 1;
img->builder_ignore_ea = 1;
img->truncate_mode = 1;
img->truncate_length = LIBISOFS_NODE_NAME_MAX;
img->truncate_buffer[0] = 0;
img->inode_counter = 0;
img->used_inodes = NULL;
img->used_inodes_start = 0;
@ -1083,3 +1086,45 @@ int iso_image_get_alpha_boot(IsoImage *img, char **boot_loader_path)
}
/* API */
int iso_image_set_truncate_mode(IsoImage *img, int mode, int length)
{
if (mode < 0 || mode > 1)
return ISO_WRONG_ARG_VALUE;
if (length < 64 || length > LIBISOFS_NODE_NAME_MAX)
return ISO_WRONG_ARG_VALUE;
img->truncate_mode = mode;
img->truncate_length = length;
return ISO_SUCCESS;
}
/* API */
int iso_image_get_truncate_mode(IsoImage *img, int *mode, int *length)
{
*mode = img->truncate_mode;
*length = img->truncate_length;
return ISO_SUCCESS;
}
/* Warning: Not thread-safe */
int iso_image_truncate_name(IsoImage *image, const char *name, char **namept,
int flag)
{
int ret;
if (name == NULL)
return ISO_NULL_POINTER;
if ((int) strlen(name) <= image->truncate_length) {
*namept = (char *) name;
return ISO_SUCCESS;
}
*namept = image->truncate_buffer;
if (name != image->truncate_buffer)
strncpy(image->truncate_buffer, name, 4095);
image->truncate_buffer[4095] = 0;
ret = iso_truncate_rr_name(image->truncate_mode, image->truncate_length,
image->truncate_buffer, 0);
return ret;
}