libburnia/libisofs
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Made root node write and read own AA entries.

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This commit is contained in:
Thomas Schmitt
2009-02-24 17:50:53 +01:00
parent 356b73eda8
commit 4daf626493
2 changed files with 104 additions and 50 deletions
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81
libisofs/fs_image.c
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@ -2304,6 +2304,46 @@ int iso_image_filesystem_new(IsoDataSource *src, struct iso_read_opts *opts,
return ret;
}
/* Take over aa_string from file source to node or discard it after making
the necessary change in node->mode group permissions.
node->mode must already be set.
*/
static
int src_aa_to_node(IsoFileSource *src, IsoNode *node, int flag)
{
int ret;
unsigned char *aa_string;
ImageFileSourceData *data;
_ImageFsData *fsdata;
char *a_text = NULL, *d_text = NULL;
data = (ImageFileSourceData*)src->data;
fsdata = data->fs->data;
/* Obtain ownership of eventual AA string */
ret = iso_file_source_get_aa_string(src, &aa_string, 1);
if (ret != 1 || aa_string == NULL)
return 1;
if (fsdata->aaip_load == 1) {
/* Attach aa_string to node */
ret = iso_node_add_xinfo(node, aaip_xinfo_func, aa_string);
if (ret < 0)
return ret;
} else {
/* Look for ACL and perform S_IRWXG mapping */
iso_aa_get_acl_text(aa_string, node->mode, &a_text, &d_text, 16);
if (a_text != NULL)
aaip_cleanout_st_mode(a_text, &(node->mode), 4 | 16);
/* Dispose ACL a_text and d_text */
iso_aa_get_acl_text(aa_string, node->mode, &a_text, &d_text, 1 << 15);
/* Dispose aa_string */
aaip_xinfo_func(aa_string, 1);
}
return 1;
}
static
int image_builder_create_node(IsoNodeBuilder *builder, IsoImage *image,
IsoFileSource *src, IsoNode **node)
@ -2313,7 +2353,6 @@ int image_builder_create_node(IsoNodeBuilder *builder, IsoImage *image,
IsoNode *new;
char *name;
ImageFileSourceData *data;
unsigned char *aa_string;
if (builder == NULL || src == NULL || node == NULL || src->data == NULL) {
return ISO_NULL_POINTER;
@ -2483,33 +2522,17 @@ int image_builder_create_node(IsoNodeBuilder *builder, IsoImage *image,
new->parent = NULL;
new->next = NULL;
*node = new;
/* Obtain ownership of eventual AA string */
ret = iso_file_source_get_aa_string(src, &aa_string, 1);
if (ret == 1 && aa_string != NULL) {
_ImageFsData *fsdata = data->fs->data;
char *a_text = NULL, *d_text = NULL;
if (fsdata->aaip_load == 1) {
ret = iso_node_add_xinfo(new, aaip_xinfo_func, aa_string);
if (ret < 0)
return ret;
} else {
/* Look for ACL and perform S_IRWXG mapping */
if (aa_string != NULL)
iso_aa_get_acl_text(aa_string, info.st_mode, &a_text, &d_text,
16);
if (a_text != NULL)
aaip_cleanout_st_mode(a_text, &(new->mode), 4 | 16);
/* Dispose ACL a_text and d_text */
iso_aa_get_acl_text(aa_string, info.st_mode, &a_text, &d_text,
1 << 15);
/* Dispose aa_string */
aaip_xinfo_func(aa_string, 1);
}
ret = src_aa_to_node(src, new, 0);
if (ret < 0) {
/* todo: stuff any possible memory leak here */
if (name != NULL)
free(name);
free(new);
return ret;
}
*node = new;
return ISO_SUCCESS;
}
@ -2683,6 +2706,12 @@ int iso_image_import(IsoImage *image, IsoDataSource *src,
image->root->node.atime = info.st_atime;
image->root->node.mtime = info.st_mtime;
image->root->node.ctime = info.st_ctime;
/* This might fail in iso_node_add_xinfo() */
ret = src_aa_to_node(newroot, &(image->root->node), 0);
if (ret < 0)
goto import_revert;
}
/* if old image has el-torito, add a new catalog */