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Begin RR support. Symlinks and Special files added to low level tree.

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This commit is contained in:
Vreixo Formoso 2007-12-23 16:16:26 +01:00
parent b8aa48038b
commit ca1385cce1
5 changed files with 129 additions and 70 deletions
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126
demo/ecma119_tree.c
View File

@ -10,6 +10,7 @@
#include "ecma119_tree.h"
#include "util.h"
#include "filesrc.h"
#include "node.h"
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
@ -19,96 +20,107 @@
static void
print_permissions(mode_t mode)
{
char perm[10];
//TODO suid, sticky...
perm[9] = '\0';
perm[8] = mode & S_IXOTH ? 'x' : '-';
perm[7] = mode & S_IWOTH ? 'w' : '-';
perm[6] = mode & S_IROTH ? 'r' : '-';
perm[5] = mode & S_IXGRP ? 'x' : '-';
perm[4] = mode & S_IWGRP ? 'w' : '-';
perm[3] = mode & S_IRGRP ? 'r' : '-';
perm[2] = mode & S_IXUSR ? 'x' : '-';
perm[1] = mode & S_IWUSR ? 'w' : '-';
perm[0] = mode & S_IRUSR ? 'r' : '-';
printf("[%s]",perm);
char perm[10];
//TODO suid, sticky...
perm[9] = '\0';
perm[8] = mode & S_IXOTH ? 'x' : '-';
perm[7] = mode & S_IWOTH ? 'w' : '-';
perm[6] = mode & S_IROTH ? 'r' : '-';
perm[5] = mode & S_IXGRP ? 'x' : '-';
perm[4] = mode & S_IWGRP ? 'w' : '-';
perm[3] = mode & S_IRGRP ? 'r' : '-';
perm[2] = mode & S_IXUSR ? 'x' : '-';
perm[1] = mode & S_IWUSR ? 'w' : '-';
perm[0] = mode & S_IRUSR ? 'r' : '-';
printf("[%s]",perm);
}
static void
print_dir(Ecma119Node *dir, int level)
static void
print_dir(Ecma119Node *dir, int level)
{
int i;
char sp[level * 2 + 1];
for (i = 0; i < level * 2; i += 2) {
sp[i] = '|';
sp[i+1] = ' ';
}
sp[level * 2-1] = '-';
sp[level * 2] = '\0';
int i;
char sp[level * 2 + 1];
for (i = 0; i < level * 2; i += 2) {
sp[i] = '|';
sp[i+1] = ' ';
}
sp[level * 2-1] = '-';
sp[level * 2] = '\0';
for (i = 0; i < dir->info.dir.nchildren; i++) {
Ecma119Node *child = dir->info.dir.children[i];
if (child->type == ECMA119_DIR) {
printf("%s+[D] ", sp);
print_permissions(iso_node_get_permissions(child->node));
printf(" %s\n", child->iso_name);
print_dir(child, level+1);
} else if (child->type == ECMA119_FILE) {
printf("%s-[F] ", sp);
Ecma119Node *child = dir->info.dir.children[i];
if (child->type == ECMA119_DIR) {
printf("%s+[D] ", sp);
print_permissions(iso_node_get_permissions(child->node));
printf(" %s\n", child->iso_name);
print_dir(child, level+1);
} else if (child->type == ECMA119_FILE) {
printf("%s-[F] ", sp);
print_permissions(iso_node_get_permissions(child->node));
printf(" %s {%p}\n", child->iso_name, (void*)child->info.file);
} else {
printf("%s-[????] ", sp);
}
}
} else if (child->type == ECMA119_SYMLINK) {
printf("%s-[L] ", sp);
print_permissions(iso_node_get_permissions(child->node));
printf(" %s -> %s\n", child->iso_name,
((IsoSymlink*)child->node)->dest);
} else if (child->type == ECMA119_SPECIAL) {
printf("%s-[S] ", sp);
print_permissions(iso_node_get_permissions(child->node));
printf(" %s\n", child->iso_name);
} else {
printf("%s-[????] ", sp);
}
}
}
int main(int argc, char **argv)
{
int result;
int result;
IsoImage *image;
Ecma119Image *ecma119;
if (argc != 2) {
printf ("You need to specify a valid path\n");
return 1;
}
if (argc != 2) {
printf ("You need to specify a valid path\n");
return 1;
}
result = iso_image_new("volume_id", &image);
if (result < 0) {
printf ("Error creating image\n");
return 1;
}
iso_image_set_msgs_severities(image, "NEVER", "ALL", "");
iso_image_set_msgs_severities(image, "NEVER", "ALL", "");
result = iso_tree_add_dir_rec(image, iso_image_get_root(image), argv[1]);
if (result < 0) {
printf ("Error adding directory %d\n", result);
return 1;
}
ecma119 = calloc(1, sizeof(Ecma119Image));
iso_rbtree_new(iso_file_src_cmp, &(ecma119->files));
ecma119->iso_level = 1;
ecma119->rockridge = 1;
ecma119->image = image;
ecma119->input_charset = strdup("UTF-8");
/* create low level tree */
result = ecma119_tree_create(ecma119);
if (result < 0) {
printf ("Error creating ecma-119 tree: %d\n", result);
return 1;
}
printf("================= ECMA-119 TREE =================\n");
print_dir(ecma119->root, 0);
printf("\n\n");
print_dir(ecma119->root, 0);
printf("\n\n");
ecma119_node_free(ecma119->root);
iso_image_unref(image);
return 0;
return 0;
}

1
src/ecma119.c
View File

@ -630,6 +630,7 @@ int ecma119_image_new(IsoImage *src, Ecma119WriteOpts *opts,
iso_image_ref(src);
target->iso_level = opts->level;
target->rockridge = 1; //TODO
target->omit_version_numbers = opts->omit_version_numbers;
target->sort_files = opts->sort_files;

3
src/ecma119.h
View File

@ -29,6 +29,9 @@ struct ecma119_image {
unsigned int iso_level:2;
/* extensions */
unsigned int rockridge:1;
/* relaxed constraints */
unsigned int omit_version_numbers:1;

64
src/ecma119_tree.c
View File

@ -151,6 +151,39 @@ int create_file(Ecma119Image *img, IsoFile *iso, Ecma119Node **node)
return ret;
}
/**
* Create a new ECMA-119 node representing a symbolic link from a iso symlink
* node.
*/
static
int create_symlink(Ecma119Image *img, IsoSymlink *iso, Ecma119Node **node)
{
int ret;
ret = create_ecma119_node(img, (IsoNode*)iso, node);
if (ret < 0) {
return ret;
}
(*node)->type = ECMA119_SYMLINK;
return ISO_SUCCESS;
}
/**
* Create a new ECMA-119 node representing a special file.
*/
static
int create_special(Ecma119Image *img, IsoSpecial *iso, Ecma119Node **node)
{
int ret;
ret = create_ecma119_node(img, (IsoNode*)iso, node);
if (ret < 0) {
return ret;
}
(*node)->type = ECMA119_SPECIAL;
return ISO_SUCCESS;
}
void ecma119_node_free(Ecma119Node *node)
{
if (node == NULL) {
@ -165,7 +198,6 @@ void ecma119_node_free(Ecma119Node *node)
}
free(node->iso_name);
iso_node_unref(node->node);
//TODO? free(node->name);
free(node);
}
@ -197,7 +229,7 @@ int create_tree(Ecma119Image *image, IsoNode *iso, Ecma119Node **tree,
return ret;
}
max_path = pathlen + 1 + (iso_name ? strlen(iso_name) : 0);
if (1) { //TODO !rockridge && !relaxed_paths
if (!image->rockridge) { //TODO !rockridge && !relaxed_paths
if (depth > 8 || max_path > 255) {
iso_msg_note(image->image, LIBISO_FILE_IGNORED,
"File \"%s\" can't be added, because depth > 8 "
@ -212,18 +244,26 @@ int create_tree(Ecma119Image *image, IsoNode *iso, Ecma119Node **tree,
ret = create_file(image, (IsoFile*)iso, &node);
break;
case LIBISO_SYMLINK:
//TODO only supported with RR
iso_msg_note(image->image, LIBISO_FILE_IGNORED, "File \"%s\" ignored. "
"Symlinks need RockRidge extensions.", iso->name);
free(iso_name);
return 0;
if (image->rockridge) {
ret = create_symlink(image, (IsoSymlink*)iso, &node);
} else {
/* symlinks are only supported when RR is enabled */
iso_msg_note(image->image, LIBISO_FILE_IGNORED, "File \"%s\" "
"ignored. Symlinks need RockRidge extensions.",
iso->name);
ret = 0;
}
break;
case LIBISO_SPECIAL:
iso_msg_note(image->image, LIBISO_FILE_IGNORED, "File \"%s\" ignored. "
"Special files need RockRidge extensions.", iso->name);
//TODO only supported with RR
free(iso_name);
return 0;
if (image->rockridge) {
ret = create_special(image, (IsoSpecial*)iso, &node);
} else {
/* symlinks are only supported when RR is enabled */
iso_msg_note(image->image, LIBISO_FILE_IGNORED, "File \"%s\" "
"ignored. Special files need RockRidge extensions.",
iso->name);
ret = 0;
}
break;
case LIBISO_BOOT:
//TODO

5
src/ecma119_tree.h
View File

@ -14,7 +14,10 @@
enum ecma119_node_type {
ECMA119_FILE,
ECMA119_DIR
ECMA119_DIR,
ECMA119_SYMLINK,
ECMA119_SPECIAL,
ECMA119_PLACEHOLDER
};
/**