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@ -13,10 +13,14 @@
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#include "libisofs.h"
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#include "node.h"
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#include "error.h"
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#include "image.h"
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#include "fsource.h"
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#include "builder.h"
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <limits.h>
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/**
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* Add a new directory to the iso tree.
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@ -289,3 +293,151 @@ int iso_tree_add_new_special(IsoDir *parent, const char *name, mode_t mode,
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}
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return ++parent->nchildren;
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}
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static
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int iso_tree_add_node_builder(IsoDir *parent, IsoFileSource *src,
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IsoNodeBuilder *builder, IsoNode **node)
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{
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int result;
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struct stat info;
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IsoNode *new;
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IsoNode **pos;
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char *name;
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if (parent == NULL || src == NULL || builder == NULL) {
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return ISO_NULL_POINTER;
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}
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if (node) {
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*node = NULL;
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}
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name = src->get_name(src);
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/* find place where to insert */
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pos = &(parent->children);
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while (*pos != NULL && strcmp((*pos)->name, name) < 0) {
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pos = &((*pos)->next);
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}
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if (*pos != NULL && !strcmp((*pos)->name, name)) {
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/* a node with same name already exists */
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return ISO_NODE_NAME_NOT_UNIQUE;
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}
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/* get info about source */
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result = src->lstat(src, &info);
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if (result < 0) {
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return result;
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}
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new = NULL;
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switch (info.st_mode & S_IFMT) {
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case S_IFREG:
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{
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/* source is a regular file */
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IsoStream *stream;
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IsoFile *file;
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result = iso_file_source_stream_new(src, &stream);
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if (result < 0) {
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return result;
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}
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file = malloc(sizeof(IsoFile));
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if (file == NULL) {
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iso_stream_unref(stream);
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return ISO_MEM_ERROR;
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}
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file->msblock = 0;
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file->sort_weight = 0;
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file->stream = stream;
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file->node.type = LIBISO_FILE;
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new = (IsoNode*) file;
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}
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break;
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case S_IFDIR:
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{
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/* source is a directory */
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new = calloc(1, sizeof(IsoDir));
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if (new == NULL) {
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return ISO_MEM_ERROR;
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}
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new->type = LIBISO_DIR;
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}
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break;
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case S_IFLNK:
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{
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/* source is a symbolic link */
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char dest[PATH_MAX];
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IsoSymlink *link;
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result = src->readlink(src, dest, PATH_MAX);
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if (result < 0) {
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return result;
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}
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link = malloc(sizeof(IsoSymlink));
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if (link == NULL) {
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return ISO_MEM_ERROR;
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}
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link->dest = strdup(dest);
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link->node.type = LIBISO_SYMLINK;
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new = (IsoNode*) link;
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}
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break;
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case S_IFSOCK:
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case S_IFBLK:
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case S_IFCHR:
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case S_IFIFO:
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{
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/* source is an special file */
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IsoSpecial *special;
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special = malloc(sizeof(IsoSpecial));
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if (special == NULL) {
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return ISO_MEM_ERROR;
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}
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special->dev = info.st_rdev;
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special->node.type = LIBISO_SPECIAL;
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new = (IsoNode*) special;
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}
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break;
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}
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/* fill fields */
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new->refcount = 1;
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new->name = strdup(name);
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new->mode = info.st_mode;
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new->uid = info.st_uid;
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new->gid = info.st_gid;
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new->atime = info.st_atime;
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new->mtime = info.st_mtime;
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new->ctime = info.st_ctime;
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new->hidden = 0;
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/* finally, add node to parent */
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new->parent = parent;
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new->next = *pos;
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*pos = new;
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if (node) {
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*node = new;
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}
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return ++parent->nchildren;
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}
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int iso_tree_add_node(IsoImage *image, IsoDir *parent, const char *path,
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IsoNode **node)
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{
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int result;
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IsoFilesystem *fs;
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IsoFileSource *file;
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if (image == NULL || parent == NULL || path == NULL) {
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return ISO_NULL_POINTER;
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}
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fs = image->fs;
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result = fs->get_by_path(fs, path, &file);
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if (result < 0) {
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return result;
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}
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result = iso_tree_add_node_builder(parent, file, image->builder, node);
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return result;
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}
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