libburnia/libisofs-legacy
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Changed tree, re-implemented and fixed a lot of problematic areas

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This commit is contained in:
Mario Danic
2007-05-31 04:25:39 +00:00
parent 0281fcb717
commit 3e29f914fd
19 changed files with 1397 additions and 756 deletions
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4
Makefile.am
View File

@ -29,7 +29,9 @@ libisofs_libisofs_la_SOURCES = \
libisofs/exclude.c \
libisofs/exclude.h \
libisofs/hash.h \
libisofs/hash.c
libisofs/hash.c \
libisofs/file.h \
libisofs/file.c
libinclude_HEADERS = \
libisofs/libisofs.h

307
libisofs/ecma119.c
View File

@ -16,6 +16,7 @@
#include "volume.h"
#include "tree.h"
#include "util.h"
#include "file.h"
#include "libisofs.h"
#include "libburn/libburn.h"
@ -101,30 +102,35 @@ add_susp_fields_rec(struct ecma119_write_target *t,
{
size_t i;
if (!node->iso_self)
return;
rrip_add_PX(t, node);
rrip_add_NM(t, node);
rrip_add_TF(t, node);
if (node->iso_self->attrib.st_rdev)
rrip_add_PN(t, node);
if (S_ISLNK(node->iso_self->attrib.st_mode))
rrip_add_SL(t, node);
if (node->type == ECMA119_FILE && node->file.real_me)
rrip_add_CL(t, node);
if (node->type == ECMA119_DIR
&& node->dir.real_parent != node->parent) {
rrip_add_RE(t, node);
rrip_add_PL(t, node);
switch (node->type) {
case ECMA119_FILE:
break;
case ECMA119_SYMLINK:
rrip_add_SL(t, node);
break;
case ECMA119_DIR:
if (node->info.dir.real_parent != node->parent) {
rrip_add_RE(t, node);
rrip_add_PL(t, node);
}
for (i = 0; i < node->info.dir.nchildren; i++) {
add_susp_fields_rec(t, node->info.dir.children[i]);
}
break;
case ECMA119_PLACEHOLDER:
rrip_add_CL(t, node);
break;
default:
// FIXME support for device blocks by uncommenting this
//if (node->iso_self->attrib.st_rdev)
// rrip_add_PN(t, node);
break;
}
susp_add_CE(t, node);
if (node->type == ECMA119_DIR) {
for (i = 0; i < node->dir.nchildren; i++) {
add_susp_fields_rec(t, node->dir.children[i]);
}
}
}
static void
@ -151,35 +157,35 @@ calc_dir_size(struct ecma119_write_target *t,
assert(dir->type == ECMA119_DIR);
t->dirlist_len++;
dir->dir.len = 34 + dir->dir.self_susp.non_CE_len
+ 34 + dir->dir.parent_susp.non_CE_len;
dir->dir.CE_len = dir->dir.self_susp.CE_len
+ dir->dir.parent_susp.CE_len;
for (i = 0; i < dir->dir.nchildren; i++) {
struct ecma119_tree_node *ch = dir->dir.children[i];
dir->info.dir.len = 34 + dir->info.dir.self_susp.non_CE_len
+ 34 + dir->info.dir.parent_susp.non_CE_len;
dir->info.dir.CE_len = dir->info.dir.self_susp.CE_len
+ dir->info.dir.parent_susp.CE_len;
for (i = 0; i < dir->info.dir.nchildren; ++i) {
struct ecma119_tree_node *ch = dir->info.dir.children[i];
newlen = dir->dir.len + ch->dirent_len + ch->susp.non_CE_len;
if ((newlen % 2048) < (dir->dir.len % 2048)) {
dir->dir.len = newlen + (2048 - (dir->dir.len % 2048));
newlen = dir->info.dir.len + ch->dirent_len + ch->susp.non_CE_len;
if ((newlen % 2048) < (dir->info.dir.len % 2048)) {
dir->info.dir.len = newlen + (2048 - (dir->info.dir.len % 2048));
} else {
dir->info.dir.len += ch->dirent_len + ch->susp.non_CE_len;
}
else {
dir->dir.len += ch->dirent_len + ch->susp.non_CE_len;
}
dir->dir.CE_len += ch->susp.CE_len;
dir->info.dir.CE_len += ch->susp.CE_len;
}
t->total_dir_size += round_up(dir->dir.len + dir->dir.CE_len,
t->total_dir_size += round_up(dir->info.dir.len + dir->info.dir.CE_len,
t->block_size);
for (i = 0; i < dir->dir.nchildren; i++) {
struct ecma119_tree_node *ch = dir->dir.children[i];
struct iso_tree_node *iso = ch->iso_self;
for (i = 0; i < dir->info.dir.nchildren; i++) {
struct ecma119_tree_node *ch = dir->info.dir.children[i];
//struct iso_tree_node *iso = ch->iso_self;
if (ch->type == ECMA119_DIR) {
calc_dir_size(t, ch);
} else if (iso && iso->attrib.st_size
&& iso->loc.type == LIBISO_FILESYS
&& iso->loc.path) {
t->filelist_len++;
}
}
// else if (iso && iso->attrib.st_size
// && iso->loc.type == LIBISO_FILESYS
// && iso->loc.path) {
// t->filelist_len++;
// }
}
}
@ -195,26 +201,27 @@ calc_dir_pos(struct ecma119_write_target *t,
assert(dir->type == ECMA119_DIR);
/* we don't need to set iso_self->block since each tree writes
* its own directories */
dir->block = t->curblock;
t->curblock += div_up(dir->dir.len + dir->dir.CE_len, t->block_size);
dir->info.dir.block = t->curblock;
t->curblock += div_up(dir->info.dir.len + dir->info.dir.CE_len, t->block_size);
t->dirlist[t->curfile++] = dir;
for (i = 0; i < dir->dir.nchildren; i++) {
struct ecma119_tree_node *ch = dir->dir.children[i];
for (i = 0; i < dir->info.dir.nchildren; i++) {
struct ecma119_tree_node *ch = dir->info.dir.children[i];
if (ch->type == ECMA119_DIR)
calc_dir_pos(t, ch);
}
}
/* reset curfile when we're finished */
if (!dir->parent) {
t->curfile = 0;
}
static int
cmp_file(const void *f1, const void *f2)
{
struct iso_file *f = *((struct iso_file**)f1);
struct iso_file *g = *((struct iso_file**)f2);
/* higher weighted first */
return g->sort_weight - f->sort_weight;
}
/**
* Fill out the block field for each ecma119_tree_node that is a file and fill
* out t->filelist.
* Fill out the block field for each file and fill out t->filelist.
*/
static void
calc_file_pos(struct ecma119_write_target *t,
@ -223,31 +230,40 @@ calc_file_pos(struct ecma119_write_target *t,
size_t i;
assert(dir->type == ECMA119_DIR);
t->filelist = calloc(1, sizeof(struct iso_file *) * t->file_table->count);
for (i = 0; i < dir->dir.nchildren; i++) {
struct ecma119_tree_node *ch = dir->dir.children[i];
if (ch->type == ECMA119_FILE && ch->iso_self) {
struct iso_tree_node *iso = ch->iso_self;
off_t size = iso->attrib.st_size;
for (i = 0; i < FILE_HASH_NODES; ++i) {
struct iso_file_hash_node *node;
iso->block = ch->block = t->curblock;
t->curblock += div_up(size, t->block_size);
if (size && iso->loc.type == LIBISO_FILESYS
&& iso->loc.path)
t->filelist[t->curfile++] = ch;
}
node = t->file_table->table[i];
if (!node)
continue;
do {
struct iso_file *file = node->file;
if (file->size)
t->filelist[t->curfile++] = file;
node = node->next;
} while (node);
}
for (i = 0; i < dir->dir.nchildren; i++) {
struct ecma119_tree_node *ch = dir->dir.children[i];
if (ch->type == ECMA119_DIR)
calc_file_pos(t, ch);
t->filelist_len = t->curfile;
/* sort */
if ( t->sort_files )
qsort(t->filelist, t->filelist_len, sizeof(void*), cmp_file);
/* fill block value */
for ( i = 0; i < t->filelist_len; ++i) {
struct iso_file *file = t->filelist[i];
file->block = t->curblock;
t->curblock += div_up(file->size, t->block_size);
}
/* reset curfile when we're finished */
if (!dir->parent) {
t->curfile = 0;
}
t->curfile = 0;
}
struct ecma119_write_target*
@ -259,33 +275,48 @@ ecma119_target_new(struct iso_volset *volset,
struct ecma119_write_target *t =
calloc(1, sizeof(struct ecma119_write_target));
size_t i, j, cur;
struct iso_tree_node *iso_root = volset->volume[volnum]->root;
struct iso_tree_node *iso_root =
(struct iso_tree_node*) volset->volume[volnum]->root;
//TODO default values here, need an API for this
t->cache_inodes = 1;
t->replace_mode = 1;
t->dir_mode = 0555;
t->file_mode = 0444;
t->gid = 0;
t->uid = 0;
t->input_charset = "UTF-8";
t->ouput_charset = "UTF-8";
t->sort_files = 1;
t->file_table = iso_file_table_new(t->cache_inodes);
volset->refcount++;
t->root = ecma119_tree_create(t, iso_root);
t->iso_level = level;
t->block_size = 2048;
t->rockridge = (flags & ECMA119_ROCKRIDGE) ? 1 : 0;
t->joliet = (flags & ECMA119_JOLIET) ? 1 : 0;
t->root = ecma119_tree_create(t, iso_root);
if (t->joliet)
t->joliet_root = joliet_tree_create(t, iso_root);
t->volset = volset;
t->volnum = volnum;
t->now = time(NULL);
t->rockridge = (flags & ECMA119_ROCKRIDGE) ? 1 : 0;
t->iso_level = level;
t->block_size = 2048;
if (t->rockridge)
add_susp_fields(t);
calc_dir_size(t, t->root);
if (t->joliet) {
joliet_calc_dir_size(t, t->joliet_root);
t->pathlist_joliet = calloc(1, sizeof(void*) * t->dirlist_len);
t->dirlist_joliet = calloc(1, sizeof(void*) * t->dirlist_len);
t->pathlist_joliet = calloc(1, sizeof(void*) * t->dirlist_len_joliet);
t->dirlist_joliet = calloc(1, sizeof(void*) * t->dirlist_len_joliet);
}
t->dirlist = calloc(1, sizeof(void*) * t->dirlist_len);
t->pathlist = calloc(1, sizeof(void*) * t->dirlist_len);
t->filelist = calloc(1, sizeof(void*) * t->filelist_len);
//t->filelist = calloc(1, sizeof(void*) * t->filelist_len);
/* fill out the pathlist */
t->pathlist[0] = t->root;
@ -293,10 +324,10 @@ ecma119_target_new(struct iso_volset *volset,
cur = 1;
for (i = 0; i < t->dirlist_len; i++) {
struct ecma119_tree_node *dir = t->pathlist[i];
for (j = 0; j < dir->dir.nchildren; j++) {
struct ecma119_tree_node *ch = dir->dir.children[j];
for (j = 0; j < dir->info.dir.nchildren; j++) {
struct ecma119_tree_node *ch = dir->info.dir.children[j];
if (ch->type == ECMA119_DIR) {
size_t len = 8 + strlen(ch->name);
size_t len = 8 + strlen(ch->iso_name);
t->pathlist[cur++] = ch;
t->path_table_size += len + len % 2;
}
@ -323,11 +354,19 @@ ecma119_target_new(struct iso_volset *volset,
}
calc_dir_pos(t, t->root);
if (t->joliet)
/* reset curfile when we're finished */
t->curfile = 0;
if (t->joliet) {
joliet_calc_dir_pos(t, t->joliet_root);
/* reset curfile when we're finished */
t->curfile = 0;
}
calc_file_pos(t, t->root);
if (t->joliet)
joliet_update_file_pos (t, t->joliet_root);
//if (t->joliet)
// joliet_update_file_pos (t, t->joliet_root);
if (t->rockridge) {
susp_finalize(t, t->root);
@ -406,11 +445,13 @@ wr_files(struct ecma119_write_target *t, uint8_t *buf)
{
struct state_files *f_st = &t->state_files;
size_t nread;
struct ecma119_tree_node *f = t->filelist[f_st->file];
const char *path = f->iso_self->loc.path;
struct iso_file *f = t->filelist[f_st->file];
const char *path = f->path;
if (!f_st->fd) {
f_st->data_len = f->iso_self->attrib.st_size;
printf("Writing file %s\n", path);
f_st->data_len = f->size;
f_st->fd = fopen(path, "r");
if (!f_st->fd)
err(1, "couldn't open %s for reading", path);
@ -438,16 +479,16 @@ write_pri_vol_desc(struct ecma119_write_target *t, uint8_t *buf)
{
struct ecma119_pri_vol_desc *vol = (struct ecma119_pri_vol_desc*)buf;
struct iso_volume *volume = t->volset->volume[t->volnum];
char *vol_id = str2d_char(volume->volume_id);
char *pub_id = str2a_char(volume->publisher_id);
char *data_id = str2a_char(volume->data_preparer_id);
char *volset_id = str2d_char(t->volset->volset_id);
char *vol_id = str2d_char(volume->volume_id, t->input_charset);
char *pub_id = str2a_char(volume->publisher_id, t->input_charset);
char *data_id = str2a_char(volume->data_preparer_id, t->input_charset);
char *volset_id = str2d_char(t->volset->volset_id, t->input_charset);
char *system_id = str2a_char(volume->system_id);
char *application_id = str2a_char(volume->application_id);
char *copyright_file_id = str2d_char(volume->copyright_file_id);
char *abstract_file_id = str2d_char(volume->abstract_file_id);
char *biblio_file_id = str2d_char(volume->biblio_file_id);
char *system_id = str2a_char(volume->system_id, t->input_charset);
char *application_id = str2a_char(volume->application_id, t->input_charset);
char *copyright_file_id = str2d_char(volume->copyright_file_id, t->input_charset);
char *abstract_file_id = str2d_char(volume->abstract_file_id, t->input_charset);
char *biblio_file_id = str2d_char(volume->biblio_file_id, t->input_charset);
vol->vol_desc_type[0] = 1;
memcpy(vol->std_identifier, "CD001", 5);
@ -522,17 +563,18 @@ write_path_table(struct ecma119_write_target *t, int l_type, uint8_t *buf)
for (i = 0; i < t->dirlist_len; i++) {
dir = t->pathlist[i];
assert(dir->type == ECMA119_DIR);
while ((i) && t->pathlist[parent] != dir->parent)
parent++;
assert(parent < i || i == 0);
rec = (struct ecma119_path_table_record*) buf;
rec->len_di[0] = dir->parent ? (uint8_t) strlen(dir->name) : 1;
rec->len_di[0] = dir->parent ? (uint8_t) strlen(dir->iso_name) : 1;
rec->len_xa[0] = 0;
write_int(rec->block, dir->block, 4);
write_int(rec->block, dir->info.dir.block, 4);
write_int(rec->parent, parent + 1, 2);
if (dir->parent)
memcpy(rec->dir_id, dir->name, rec->len_di[0]);
memcpy(rec->dir_id, dir->iso_name, rec->len_di[0]);
buf += 8 + rec->len_di[0] + (rec->len_di[0] % 2);
}
}
@ -558,22 +600,36 @@ write_one_dir_record(struct ecma119_write_target *t,
int file_id,
uint8_t *buf)
{
uint32_t len;
uint32_t block;
uint8_t len_dr = (file_id >= 0) ? 34 : node->dirent_len;
uint8_t len_fi = (file_id >= 0) ? 1 : strlen(node->name);
uint8_t len_fi = (file_id >= 0) ? 1 : strlen(node->iso_name);
uint8_t f_id = (uint8_t) ((file_id == 3) ? 0 : file_id);
uint8_t *name = (file_id >= 0) ? &f_id : (uint8_t*)node->name;
uint32_t len = (node->type == ECMA119_DIR) ? node->dir.len
: node->file.real_me ? 0 : node->iso_self->attrib.st_size;
uint8_t *name = (file_id >= 0) ? &f_id : (uint8_t*)node->iso_name;
struct ecma119_dir_record *rec = (struct ecma119_dir_record*)buf;
if (node->type == ECMA119_DIR) {
len = node->info.dir.len;
block = node->info.dir.block;
} else if (node->type == ECMA119_FILE) {
len = node->info.file->size;
block = node->info.file->block;
} else {
/* for nodes other than files and dirs, we set both len and block to 0 */
len = 0;
block = 0;
}
/* we don't write out susp fields for the root node */
if (t->rockridge) {
if (file_id == 0) {
susp_write(t, &node->dir.self_susp, &buf[len_dr]);
len_dr += node->dir.self_susp.non_CE_len;
assert(node->type == ECMA119_DIR);
susp_write(t, &node->info.dir.self_susp, &buf[len_dr]);
len_dr += node->info.dir.self_susp.non_CE_len;
} else if (file_id == 1) {
susp_write(t, &node->dir.parent_susp, &buf[len_dr]);
len_dr += node->dir.parent_susp.non_CE_len;
assert(node->type == ECMA119_DIR);
susp_write(t, &node->info.dir.parent_susp, &buf[len_dr]);
len_dr += node->info.dir.parent_susp.non_CE_len;
} else if (file_id < 0) {
susp_write(t, &node->susp, &buf[len_dr]);
len_dr += node->susp.non_CE_len;
@ -583,7 +639,7 @@ write_one_dir_record(struct ecma119_write_target *t,
node = node->parent;
rec->len_dr[0] = len_dr;
iso_bb(rec->block, node->block, 4);
iso_bb(rec->block, block, 4);
iso_bb(rec->length, len, 4);
iso_datetime_7(rec->recording_time, t->now);
rec->flags[0] = (node->type == ECMA119_DIR) ? 2 : 0;
@ -611,8 +667,8 @@ write_one_dir(struct ecma119_write_target *t,
write_one_dir_record(t, dir, 1, buf);
buf += ((struct ecma119_dir_record*) buf)->len_dr[0];
for (i = 0; i < dir->dir.nchildren; i++) {
write_one_dir_record(t, dir->dir.children[i], -1, buf);
for (i = 0; i < dir->info.dir.nchildren; i++) {
write_one_dir_record(t, dir->info.dir.children[i], -1, buf);
len = ((struct ecma119_dir_record*) buf)->len_dr[0];
if ((buf + len - prior_buf) >= 2048) {
for (j = len - 1; j >= 0; j--) {
@ -629,16 +685,16 @@ write_one_dir(struct ecma119_write_target *t,
/* write the susp continuation areas */
if (t->rockridge) {
susp_write_CE(t, &dir->dir.self_susp, buf);
buf += dir->dir.self_susp.CE_len;
susp_write_CE(t, &dir->dir.parent_susp, buf);
buf += dir->dir.parent_susp.CE_len;
for (i = 0; i < dir->dir.nchildren; i++) {
susp_write_CE(t, &dir->dir.children[i]->susp, buf);
buf += dir->dir.children[i]->susp.CE_len;
susp_write_CE(t, &dir->info.dir.self_susp, buf);
buf += dir->info.dir.self_susp.CE_len;
susp_write_CE(t, &dir->info.dir.parent_susp, buf);
buf += dir->info.dir.parent_susp.CE_len;
for (i = 0; i < dir->info.dir.nchildren; i++) {
susp_write_CE(t, &dir->info.dir.children[i]->susp, buf);
buf += dir->info.dir.children[i]->susp.CE_len;
}
}
assert (buf - orig_buf == dir->dir.len + dir->dir.CE_len);
assert (buf - orig_buf == dir->info.dir.len + dir->info.dir.CE_len);
}
static void
@ -649,7 +705,7 @@ write_dirs(struct ecma119_write_target *t, uint8_t *buf)
for (i = 0; i < t->dirlist_len; i++) {
dir = t->dirlist[i];
write_one_dir(t, dir, buf);
buf += round_up(dir->dir.len + dir->dir.CE_len, t->block_size);
buf += round_up(dir->info.dir.len + dir->info.dir.CE_len, t->block_size);
}
}
@ -714,6 +770,9 @@ bs_free_data(struct burn_source *bs)
{
struct ecma119_write_target *t = (struct ecma119_write_target*)bs->data;
ecma119_tree_free(t->root);
iso_file_table_clear(t->file_table);
//FIXME free joliet tree
free(t->dirlist);
free(t->pathlist);
free(t->dirlist_joliet);

40
libisofs/ecma119.h
View File

@ -61,6 +61,35 @@ struct ecma119_write_target
unsigned int rockridge:1;
unsigned int joliet:1;
unsigned int iso_level:2;
int replace_mode; /**< Replace ownership and modes of files
*
* 0. filesystem values
* 1. useful values
* bits 1-4 bitmask:
* 2 - replace dir
* 3 - replace file
* 4 - replace gid
* 5 - replace uid
*/
mode_t dir_mode;
mode_t file_mode;
gid_t gid;
uid_t uid;
char *input_charset;
char *ouput_charset;
int cache_inodes;
int sort_files; /**< if sort files or not. Sorting is based of
* the weight of each file */
/**
* In the CD, each file must have an unique inode number. So each
* time we add a new file, this is incremented.
*/
ino_t ino;
int curblock;
uint16_t block_size;
@ -86,10 +115,13 @@ struct ecma119_write_target
size_t dirlist_len; /**< The length of the previous 2 lists.
*/
struct ecma119_tree_node **filelist;
/**< A pre-order list of files with
* non-NULL paths and non-zero sizes.
struct iso_file_table *file_table;
/**<
* A hash table with info about all files
*/
struct iso_file **filelist; /**< A pre-order list of files.*/
size_t filelist_len; /* Length of the previous list. */
int curfile; /**< Used as a helper field for writing
@ -101,6 +133,8 @@ struct ecma119_write_target
*/
struct joliet_tree_node **dirlist_joliet;
struct joliet_tree_node **pathlist_joliet;
size_t dirlist_len_joliet;
enum ecma119_write_state state; /* The current state of the writer. */

329
libisofs/ecma119_tree.c
View File

@ -12,54 +12,191 @@
static size_t calc_dirent_len(struct ecma119_tree_node *n)
{
int ret = n->name ? strlen(n->name) + 33 : 34;
int ret = n->iso_name ? strlen(n->iso_name) + 33 : 34;
if (ret % 2) ret++;
return ret;
}
static void
replace_node_mode(struct ecma119_write_target *t, struct stat *st)
{
if ( S_ISDIR(st->st_mode) ) {
if ( t->replace_mode & 0x02 ) {
/* replace dir mode with specific */
st->st_mode &= S_IFMT;
st->st_mode |= t->dir_mode;
} else if (t->replace_mode & 0x01) {
/* replace dir mode with default */
/* read perm */
mode_t new_mode = (st->st_mode & S_IFMT) | 0444;
/* search bit if any */
if ( st->st_mode & 0111)
new_mode |= 0111;
st->st_mode = new_mode;
}
} else {
if ( t->replace_mode & 0x04 ) {
/* replace file mode with specific */
st->st_mode &= S_IFMT;
st->st_mode |= t->file_mode;
} else if (t->replace_mode & 0x01) {
/* replace file mode with default */
/* read perm */
mode_t new_mode = (st->st_mode & S_IFMT) | 0444;
/* execute bit if any */
if ( st->st_mode & 0111)
new_mode |= 0111;
st->st_mode = new_mode;
}
}
if ( t->replace_mode & 0x08 ) {
/* replace gid mode with specific */
st->st_gid = t->gid;
} else if (t->replace_mode & 0x01) {
st->st_gid = 0;
}
if ( t->replace_mode & 0x10 ) {
/* replace gid mode with specific */
st->st_uid = t->uid;
} else if (t->replace_mode & 0x01) {
st->st_uid = 0;
}
}
static struct ecma119_tree_node*
create_ecma119_node(struct ecma119_write_target *t,
struct ecma119_tree_node *parent,
struct iso_tree_node *iso)
{
struct ecma119_tree_node *ret;
char *(*iso_name)(const char *, const char *) = ISO_ISDIR(iso) ?
((t->iso_level == 1) ? iso_1_dirid : iso_2_dirid)
: ((t->iso_level == 1) ? iso_1_fileid : iso_2_fileid);
assert(t && (!parent || parent->type == ECMA119_DIR) && iso );
ret = calloc(1, sizeof(struct ecma119_tree_node));
ret->iso_name = iso->name ? iso_name(iso->name, t->input_charset) : NULL;
ret->dirent_len = calc_dirent_len(ret);
ret->attrib = iso->attrib;
if ( t->rockridge && t->replace_mode )
replace_node_mode(t, &ret->attrib);
if (!iso->name)
ret->full_name = NULL;
else if ( strcmp(t->input_charset,t->ouput_charset) )
ret->full_name = convert_str(iso->name, t->input_charset,
t->ouput_charset);
else
ret->full_name = strdup(iso->name);
ret->target = t;
ret->parent = parent;
return ret;
}
static struct ecma119_tree_node*
create_dir(struct ecma119_write_target *t,
struct ecma119_tree_node *parent,
struct iso_tree_node *iso)
struct iso_tree_node_dir *iso)
{
struct ecma119_tree_node *ret;
assert(t && (!parent || parent->type == ECMA119_DIR)
&& iso && S_ISDIR(iso->attrib.st_mode));
&& iso && S_ISDIR(iso->node.attrib.st_mode));
ret = calloc(1, sizeof(struct ecma119_tree_node));
ret->name = iso->name ? ((t->iso_level == 1) ? iso_1_dirid(iso->name)
: iso_2_dirid(iso->name))
: NULL;
ret->dirent_len = calc_dirent_len(ret);
ret->iso_self = iso;
ret->target = t;
ret = create_ecma119_node(t, parent, (struct iso_tree_node*) iso);
ret->type = ECMA119_DIR;
ret->parent = ret->dir.real_parent = parent;
ret->dir.depth = parent ? parent->dir.depth + 1 : 1;
ret->dir.nchildren = iso->nchildren;
ret->dir.children = calloc(1, sizeof(void*) * iso->nchildren);
ret->info.dir.real_parent = parent;
ret->info.dir.depth = parent ? parent->info.dir.depth + 1 : 1;
ret->info.dir.nchildren = 0;
ret->info.dir.children = calloc(1, sizeof(void*) * iso->nchildren);
return ret;
}
static struct ecma119_tree_node*
create_file(struct ecma119_write_target *t,
struct ecma119_tree_node *parent,
struct iso_tree_node *iso)
struct iso_tree_node_file *iso)
{
struct ecma119_tree_node *ret;
struct iso_file *file;
assert(t && iso && parent && parent->type == ECMA119_DIR);
ret = create_ecma119_node(t, parent, (struct iso_tree_node*) iso);
ret->type = ECMA119_FILE;
/* get iso_file struct */
file = iso_file_table_lookup(t->file_table, iso);
if ( file == NULL ) {
file = iso_file_new(iso);
iso_file_table_add_file(t->file_table, file);
file->ino = ++t->ino;
} else {
/* increment number of hard-links */
file->nlink++;
}
ret->attrib.st_nlink = file->nlink;
ret->attrib.st_ino = file->ino;
ret->info.file = file;
return ret;
}
static struct ecma119_tree_node*
create_placeholder(struct ecma119_write_target *t,
struct ecma119_tree_node *parent,
struct ecma119_tree_node *real)
{
struct ecma119_tree_node *ret;
assert(t && real && real->type == ECMA119_DIR
&& parent && parent->type == ECMA119_DIR);
ret = calloc(1, sizeof(struct ecma119_tree_node));
ret->iso_name = real->iso_name; /* TODO strdup? */
/* FIXME
* if we strdup above, if name changes in mangle_all,
* this probably keeps as original.
* if not, both change, but we need to update dirent_len.
* I think that attributes of a placeholder must be taken from
* real_me, not keept here.
* FIXME
* Another question is that real is a dir, while placeholder is
* a file, and ISO name restricctions are different, what to do?
*/
ret->dirent_len = real->dirent_len;
ret->attrib = real->attrib;
ret->full_name = strdup(real->full_name);
ret->target = t;
ret->parent = parent;
ret->type = ECMA119_PLACEHOLDER;
ret->info.real_me = real;
ret->attrib.st_nlink = 1;
ret->attrib.st_ino = ++t->ino;
return ret;
}
static struct ecma119_tree_node*
create_symlink(struct ecma119_write_target *t,
struct ecma119_tree_node *parent,
struct iso_tree_node_symlink *iso)
{
struct ecma119_tree_node *ret;
assert(t && iso && parent && parent->type == ECMA119_DIR);
ret = calloc(1, sizeof(struct ecma119_tree_node));
ret->name = iso->name ? ((t->iso_level == 1) ? iso_1_fileid(iso->name)
: iso_2_fileid(iso->name))
ret = create_ecma119_node(t, parent, (struct iso_tree_node*) iso);
ret->iso_name = iso->node.name ? ((t->iso_level == 1) ?
iso_1_fileid(iso->node.name, t->input_charset)
: iso_2_fileid(iso->node.name, t->input_charset))
: NULL;
ret->dirent_len = calc_dirent_len(ret);
ret->parent = parent;
ret->iso_self = iso;
ret->target = t;
ret->type = ECMA119_FILE;
ret->type = ECMA119_SYMLINK;
ret->info.dest = iso->dest; /* TODO strdup? */
ret->attrib.st_nlink = 1;
ret->attrib.st_ino = ++t->ino;
return ret;
}
@ -68,15 +205,41 @@ create_tree(struct ecma119_write_target *t,
struct ecma119_tree_node *parent,
struct iso_tree_node *iso)
{
struct ecma119_tree_node *ret;
size_t i;
struct ecma119_tree_node *ret = NULL;
assert(t && iso);
ret = (S_ISDIR(iso->attrib.st_mode) ? create_dir : create_file)
(t, parent, iso);
for (i = 0; i < iso->nchildren; i++) {
ret->dir.children[i] = create_tree(t, ret, iso->children[i]);
if ( iso->hide_flags & LIBISO_HIDE_ON_RR )
return NULL;
switch (iso->attrib.st_mode & S_IFMT) {
case S_IFREG:
ret = create_file(t, parent, (struct iso_tree_node_file*)iso);
break;
case S_IFLNK:
if ( !t->rockridge )
printf("Can't add symlinks to a non ISO tree. Skipping %s \n",
iso->name);
else
ret = create_symlink(t, parent, (struct iso_tree_node_symlink*)iso);
break;
case S_IFDIR:
{
size_t i;
struct iso_tree_node_dir *dir = (struct iso_tree_node_dir*)iso;
ret = create_dir(t, parent, dir);
for (i = 0; i < dir->nchildren; i++) {
struct ecma119_tree_node *child;
child = create_tree(t, ret, dir->children[i]);
if (child)
ret->info.dir.children[ret->info.dir.nchildren++] = child;
}
}
break;
default:
/* should never happen */
assert( 0 );
break;
}
return ret;
}
@ -87,12 +250,13 @@ ecma119_tree_free(struct ecma119_tree_node *root)
size_t i;
if (root->type == ECMA119_DIR) {
for (i=0; i < root->dir.nchildren; i++) {
ecma119_tree_free(root->dir.children[i]);
for (i=0; i < root->info.dir.nchildren; i++) {
ecma119_tree_free(root->info.dir.children[i]);
}
free(root->dir.children);
free(root->info.dir.children);
}
free(root->name);
free(root->iso_name);
free(root->full_name);
free(root);
}
@ -102,8 +266,8 @@ max_child_name_len(struct ecma119_tree_node *root)
size_t ret = 0, i;
assert(root->type == ECMA119_DIR);
for (i=0; i < root->dir.nchildren; i++) {
size_t len = strlen(root->dir.children[i]->name);
for (i=0; i < root->info.dir.nchildren; i++) {
size_t len = strlen(root->info.dir.children[i]->iso_name);
ret = MAX(ret, len);
}
return ret;
@ -120,13 +284,11 @@ reparent(struct ecma119_tree_node *child,
assert(child && parent && parent->type == ECMA119_DIR && child->parent);
/* replace the child in the original parent with a placeholder */
for (i=0; i < child->parent->dir.nchildren; i++) {
if (child->parent->dir.children[i] == child) {
placeholder = create_file(child->target,
child->parent,
child->iso_self);
placeholder->file.real_me = child;
child->parent->dir.children[i] = placeholder;
for (i=0; i < child->parent->info.dir.nchildren; i++) {
if (child->parent->info.dir.children[i] == child) {
placeholder = create_placeholder(child->target,
child->parent, child);
child->parent->info.dir.children[i] = placeholder;
found = 1;
break;
}
@ -135,10 +297,10 @@ reparent(struct ecma119_tree_node *child,
/* add the child to its new parent */
child->parent = parent;
parent->dir.nchildren++;
parent->dir.children = realloc( parent->dir.children,
sizeof(void*) * parent->dir.nchildren );
parent->dir.children[parent->dir.nchildren-1] = child;
parent->info.dir.nchildren++;
parent->info.dir.children = realloc( parent->info.dir.children,
sizeof(void*) * parent->info.dir.nchildren );
parent->info.dir.children[parent->info.dir.nchildren-1] = child;
}
/**
@ -147,28 +309,50 @@ reparent(struct ecma119_tree_node *child,
* - each path length is at most 255 characters
*/
static void
reorder_tree(struct ecma119_tree_node *root,
reorder_tree(struct ecma119_write_target *t,
struct ecma119_tree_node *root,
struct ecma119_tree_node *cur)
{
size_t max_path;
assert(root && cur && cur->type == ECMA119_DIR);
cur->dir.depth = cur->parent ? cur->parent->dir.depth + 1 : 1;
cur->dir.path_len = cur->parent ? cur->parent->dir.path_len
+ strlen(cur->name) : 0;
max_path = cur->dir.path_len + cur->dir.depth + max_child_name_len(cur);
cur->info.dir.depth = cur->parent ? cur->parent->info.dir.depth + 1 : 1;
cur->info.dir.path_len = cur->parent ? cur->parent->info.dir.path_len
+ strlen(cur->iso_name) : 0;
max_path = cur->info.dir.path_len + cur->info.dir.depth
+ max_child_name_len(cur);
if (cur->dir.depth > 8 || max_path > 255) {
reparent(cur, root);
/* we are appended to the root's children now, so there is no
* need to recurse (the root will hit us again) */
if (cur->info.dir.depth > 8 || max_path > 255) {
if (t->rockridge) {
reparent(cur, root);
/* we are appended to the root's children now, so there is no
* need to recurse (the root will hit us again) */
} else {
/* we need to delete cur */
size_t i,j;
struct ecma119_tree_node *parent = cur->parent;
printf("Can't dirs deeper than 8 without RR. Skipping %s\n",
cur->full_name);
for (i=0; i < parent->info.dir.nchildren; ++i) {
if (parent->info.dir.children[i] == cur) {
break;
}
}
assert ( i < parent->info.dir.nchildren);
for ( j = i; j < parent->info.dir.nchildren - 1; ++j)
parent->info.dir.children[j] = parent->info.dir.children[j+1];
parent->info.dir.nchildren--;
ecma119_tree_free(cur);
}
} else {
size_t i;
for (i=0; i < cur->dir.nchildren; i++) {
if (cur->dir.children[i]->type == ECMA119_DIR)
reorder_tree(root, cur->dir.children[i]);
for (i=0; i < cur->info.dir.nchildren; i++) {
if (cur->info.dir.children[i]->type == ECMA119_DIR)
reorder_tree(t, root, cur->info.dir.children[i]);
}
}
}
@ -178,7 +362,7 @@ cmp_node(const void *f1, const void *f2)
{
struct ecma119_tree_node *f = *((struct ecma119_tree_node**)f1);
struct ecma119_tree_node *g = *((struct ecma119_tree_node**)f2);
return strcmp(f->name, g->name);
return strcmp(f->iso_name, g->iso_name);
}
static void
@ -188,10 +372,11 @@ sort_tree(struct ecma119_tree_node *root)
assert(root && root->type == ECMA119_DIR);
qsort(root->dir.children, root->dir.nchildren, sizeof(void*), cmp_node);
for (i=0; i < root->dir.nchildren; i++) {
if (root->dir.children[i]->type == ECMA119_DIR)
sort_tree(root->dir.children[i]);
qsort(root->info.dir.children, root->info.dir.nchildren,
sizeof(void*), cmp_node);
for (i=0; i < root->info.dir.nchildren; i++) {
if (root->info.dir.children[i]->type == ECMA119_DIR)
sort_tree(root->info.dir.children[i]);
}
}
@ -246,7 +431,7 @@ static void
mangle_all(struct ecma119_tree_node *dir)
{
size_t i, j, k;
struct ecma119_dir_info d = dir->dir;
struct ecma119_dir_info d = dir->info.dir;
size_t n_change;
int changed;
@ -257,8 +442,8 @@ mangle_all(struct ecma119_tree_node *dir)
/* find the number of consecutive equal names */
j = 1;
while ( i+j < d.nchildren &&
!strcmp(d.children[i]->name,
d.children[i+j]->name) )
!strcmp(d.children[i]->iso_name,
d.children[i+j]->iso_name) )
j++;
if (j == 1) continue;
@ -266,7 +451,7 @@ mangle_all(struct ecma119_tree_node *dir)
changed = 1;
n_change = j / 10 + 1;
for (k=0; k < j; k++) {
mangle_name(&(d.children[i+k]->name),
mangle_name(&(d.children[i+k]->iso_name),
n_change,
dir->target->iso_level,
k);
@ -290,7 +475,7 @@ ecma119_tree_create(struct ecma119_write_target *t,
struct iso_tree_node *iso_root)
{
t->root = create_tree(t, NULL, iso_root);
reorder_tree(t->root, t->root);
reorder_tree(t, t->root, t->root);
sort_tree(t->root);
mangle_all(t->root);
return t->root;
@ -305,8 +490,8 @@ ecma119_tree_print(struct ecma119_tree_node *root, int spaces)
memset(sp, ' ', spaces);
sp[spaces] = '\0';
printf("%s%s\n", sp, root->name);
printf("%s%s\n", sp, root->iso_name);
if (root->type == ECMA119_DIR)
for (i=0; i < root->dir.nchildren; i++)
ecma119_tree_print(root->dir.children[i], spaces+2);
for (i=0; i < root->info.dir.nchildren; i++)
ecma119_tree_print(root->info.dir.children[i], spaces+2);
}

44
libisofs/ecma119_tree.h
View File

@ -10,11 +10,18 @@
#ifndef LIBISO_ECMA119_TREE_H
#define LIBISO_ECMA119_TREE_H
#include <sys/stat.h>
#include "file.h"
struct ecma119_write_target;
struct iso_tree_node;
enum {
ECMA119_FILE,
ECMA119_DIR
ECMA119_SYMLINK,
ECMA119_DIR,
ECMA119_PLACEHOLDER /**< placeholder for a relocated dir. */
};
struct ecma119_dir_info {
@ -25,6 +32,7 @@ struct ecma119_dir_info {
* Directory Records (including SU) */
size_t CE_len; /**< sum of the lengths of children's
* SUSP CE areas */
size_t block;
int depth;
size_t path_len; /**< The length of a path up to, and
@ -37,39 +45,35 @@ struct ecma119_dir_info {
/**< The parent before relocation */
};
struct ecma119_file_info
{
struct ecma119_tree_node *real_me;
/**< If this is non-NULL, the file is
* a placeholder for a relocated
* directory and this field points to
* that relocated directory.
*/
};
/**
* A node for a tree containing all the information necessary for writing
* an ISO9660 volume.
*/
struct ecma119_tree_node
{
char *name; /**< in ASCII, conforming to the
* current ISO level. */
char *iso_name; /**< in ASCII, conforming to the
* current ISO level. */
char *full_name; /**< full name, in current locale (TODO put this in UTF-8?) */
size_t dirent_len; /**< Length of the directory record,
* not including SU. */
size_t block;
* not including SU. */
struct ecma119_tree_node *parent;
struct iso_tree_node *iso_self;
/*struct iso_tree_node *iso_self;*/
struct ecma119_write_target *target;
struct stat attrib;
struct susp_info susp;
int type; /**< file or directory */
/* union {*/
int type; /**< file, symlink, directory or placeholder */
union {
struct iso_file *file;
char *dest;
struct ecma119_dir_info dir;
struct ecma119_file_info file;
/* };*/
struct ecma119_tree_node *real_me; /**< this field points to
* the relocated directory.
*/
} info;
};
/**

32
libisofs/exclude.c
View File

@ -1,42 +1,38 @@
#include "hash.h"
#include "exclude.h"
static struct iso_hash_node *table[HASH_NODES]={0,};
static int num=0;
void
iso_exclude_add_path(const char *path)
iso_exclude_add_path(struct iso_hash_table *table, const char *path)
{
if (!path)
return;
num += iso_hash_insert(table, path);
table->num += iso_hash_insert(table->table, path);
}
void
iso_exclude_remove_path(const char *path)
/*void
iso_exclude_remove_path(struct iso_hash_table *table, const char *path)
{
if (!num || !path)
if (!table->num || !path)
return;
num -= iso_hash_remove(table, path);
}
table->num -= iso_hash_remove(table->table, path);
}*/
void
iso_exclude_empty(void)
iso_exclude_empty(struct iso_hash_table *table)
{
if (!num)
if (!table->num)
return;
iso_hash_empty(table);
num=0;
iso_hash_empty(table->table);
table->num=0;
}
int
iso_exclude_lookup(const char *path)
iso_exclude_lookup(struct iso_hash_table *table, const char *path)
{
if (!num || !path)
if (!table->num || !path)
return 0;
return iso_hash_lookup(table, path);
return iso_hash_lookup(table->table, path);
}

29
libisofs/exclude.h
View File

@ -1,12 +1,37 @@
#ifndef ISO_EXCLUDE_H
#define ISO_EXCLUDE_H
#include "hash.h"
struct iso_hash_table {
struct iso_hash_node *table[HASH_NODES];
int num;
};
/**
* Add a path to ignore when adding a directory recursively.
*
* \param path The path, on the local filesystem, of the file.
*/
int
iso_exclude_lookup(const char *path);
int iso_exclude_lookup(struct iso_hash_table *table, const char *path);
/**
* Add the path of a file or directory to ignore when adding a directory recursively.
*
* \param path The path, on the local filesystem, of the file.
*/
void iso_exclude_add_path(struct iso_hash_table *table, const char *path);
/**
* Remove a path that was set to be ignored when adding a directory recusively.
*
* \param path The path, on the local filesystem, of the file.
*/
//void iso_exclude_remove_path(struct iso_hash_table *table, const char *path);
/**
* Remove all paths that were set to be ignored when adding a directory recusively.
*/
void iso_exclude_empty(struct iso_hash_table *table);
#endif /* ISO_EXCLUDE */

222
libisofs/joliet.c
View File

@ -19,33 +19,66 @@ create_node(struct ecma119_write_target *t,
struct joliet_tree_node *ret =
calloc(1, sizeof(struct joliet_tree_node));
ret->name = iso_j_id(iso->name);
ret->name = iso_j_id(iso->name, t->input_charset);
ret->dirent_len = 34 + (ret->name ? ucslen(ret->name) * 2 : 0);
ret->len = iso->attrib.st_size; /* for dirs, we'll change this */
ret->block = iso->block; /* only actually for files, not dirs */
ret->parent = parent;
ret->iso_self = iso;
ret->target = t;
ret->nchildren = iso->nchildren;
if (ret->nchildren)
ret->children = calloc(sizeof(void*), ret->nchildren);
if ( ISO_ISDIR(iso) ) {
struct iso_tree_node_dir *dir = (struct iso_tree_node_dir *) iso;
ret->info.dir.children = calloc(sizeof(void*), dir->nchildren);
ret->type = JOLIET_DIR;
} else {
/* it's a file */
struct iso_tree_node_file *iso_f = (struct iso_tree_node_file *) iso;
struct iso_file *file;
file = iso_file_table_lookup(t->file_table, iso_f);
if ( file == NULL ) {
file = iso_file_new(iso_f);
iso_file_table_add_file(t->file_table, file);
}
ret->info.file = file;
ret->type = JOLIET_FILE;
}
return ret;
}
static struct joliet_tree_node*
create_tree(struct ecma119_write_target *t,
struct joliet_tree_node *parent,
struct iso_tree_node *iso_root)
{
struct joliet_tree_node *root = create_node(t, parent, iso_root);
size_t i;
for (i = 0; i < root->nchildren; i++) {
struct iso_tree_node *iso_ch = iso_root->children[i];
if (ISO_ISDIR(iso_ch))
root->children[i] = create_tree(t, root, iso_ch);
else
root->children[i] = create_node(t, root, iso_ch);
struct iso_tree_node *iso)
{
struct joliet_tree_node *root;
assert(t && iso);
if ( iso->hide_flags & LIBISO_HIDE_ON_JOLIET )
return NULL;
switch (iso->attrib.st_mode & S_IFMT) {
case S_IFREG:
root = create_node(t, parent, iso);
break;
case S_IFDIR:
{
size_t i;
struct joliet_tree_node *node;
struct iso_tree_node_dir *dir;
root = create_node(t, parent, iso);
dir = (struct iso_tree_node_dir*)iso;
for (i = 0; i < dir->nchildren; ++i) {
node = create_tree(t, root, dir->children[i]);
if ( node != NULL ) {
root->info.dir.children[root->info.dir.nchildren++] = node;
}
}
}
break;
default:
//TODO replace this printf
printf("Can't add this kind of node to a Joliet tree");
return NULL;
break;
}
return root;
}
@ -63,12 +96,15 @@ sort_tree(struct joliet_tree_node *root)
{
size_t i;
assert(root && ISO_ISDIR(root->iso_self));
assert(root && (root->type == JOLIET_DIR));
qsort(root->children, root->nchildren, sizeof(void*), cmp_node);
for (i = 0; i < root->nchildren; i++)
if (ISO_ISDIR(root->children[i]->iso_self))
sort_tree(root->children[i]);
qsort(root->info.dir.children, root->info.dir.nchildren,
sizeof(void*), cmp_node);
for (i = 0; i < root->info.dir.nchildren; i++) {
struct joliet_tree_node *child = root->info.dir.children[i];
if ( child->type == JOLIET_DIR )
sort_tree(child);
}
}
void
@ -80,11 +116,11 @@ joliet_prepare_path_tables(struct ecma119_write_target *t)
t->path_table_size_joliet = 10; /* root directory record */
cur = 1;
for (i = 0; i < t->dirlist_len; i++) {
for (i = 0; i < t->dirlist_len_joliet; i++) {
struct joliet_tree_node *dir = t->pathlist_joliet[i];
for (j = 0; j < dir->nchildren; j++) {
struct joliet_tree_node *ch = dir->children[j];
if (ISO_ISDIR(ch->iso_self)) {
for (j = 0; j < dir->info.dir.nchildren; j++) {
struct joliet_tree_node *ch = dir->info.dir.children[j];
if (ch->type == JOLIET_DIR) {
size_t len = 8 + ucslen(ch->name)*2;
t->pathlist_joliet[cur++] = ch;
t->path_table_size_joliet += len;
@ -104,22 +140,22 @@ joliet_calc_dir_size(struct ecma119_write_target *t,
size_t newlen;
struct joliet_tree_node *ch;
assert(root && ISO_ISDIR(root->iso_self));
assert(root && (root->type == JOLIET_DIR) );
root->len = 68; /* for "." and ".." entries */
for (i = 0; i < root->nchildren; i++) {
ch = root->children[i];
newlen = root->len + ch->dirent_len;
if ((newlen % 2048) < (root->len % 2048)) {
root->len = newlen + (2048 - (root->len % 2048));
t->dirlist_len_joliet++;
root->info.dir.len = 68; /* for "." and ".." entries */
for (i = 0; i < root->info.dir.nchildren; ++i) {
ch = root->info.dir.children[i];
newlen = root->info.dir.len + ch->dirent_len;
if ((newlen % 2048) < (root->info.dir.len % 2048)) {
root->info.dir.len = newlen + (2048 - (root->info.dir.len % 2048));
} else {
root->info.dir.len += ch->dirent_len;
}
else {
root->len += ch->dirent_len;
}
if (ISO_ISDIR(ch->iso_self))
if (ch->type == JOLIET_DIR)
joliet_calc_dir_size(t, ch);
}
t->total_dir_size_joliet += round_up (root->len, t->block_size);
t->total_dir_size_joliet += round_up (root->info.dir.len, t->block_size);
}
/**
@ -132,45 +168,17 @@ joliet_calc_dir_pos(struct ecma119_write_target *t,
size_t i;
struct joliet_tree_node *ch;
assert(root && ISO_ISDIR(root->iso_self));
assert(root && (root->type == JOLIET_DIR));
root->block = t->curblock;
t->curblock += div_up(root->len, t->block_size);
root->info.dir.block = t->curblock;
t->curblock += div_up(root->info.dir.len, t->block_size);
t->dirlist_joliet[t->curfile++] = root;
for (i = 0; i < root->nchildren; i++) {
ch = root->children[i];
if (ISO_ISDIR(ch->iso_self))
for (i = 0; i < root->info.dir.nchildren; i++) {
ch = root->info.dir.children[i];
if (ch->type == JOLIET_DIR)
joliet_calc_dir_pos(t, ch);
}
/* reset curfile when we're finished */
if (!root->parent)
t->curfile = 0;
}
void
joliet_update_file_pos(struct ecma119_write_target *t,
struct joliet_tree_node *dir)
{
size_t i;
assert(dir && ISO_ISDIR(dir->iso_self));
for (i = 0; i < dir->nchildren; i++) {
struct joliet_tree_node *ch;
ch = dir->children[i];
if (!ISO_ISDIR (ch->iso_self)) {
struct iso_tree_node *iso = ch->iso_self;
ch->block = iso->block;
}
else
joliet_update_file_pos(t, ch);
}
/* reset curfile when we're finished */
if (!dir->parent)
t->curfile = 0;
}
struct joliet_tree_node*
@ -192,7 +200,7 @@ write_path_table(struct ecma119_write_target *t,
void (*write_int)(uint8_t*, uint32_t, int) = l_type ?
iso_lsb : iso_msb;
size_t i;
size_t i;
struct ecma119_path_table_record *rec;
struct joliet_tree_node *dir;
int parent = 0;
@ -209,7 +217,7 @@ write_path_table(struct ecma119_write_target *t,
rec->len_di[0] = dir->parent ?
(uint8_t) ucslen(dir->name) * 2 : 1;
rec->len_xa[0] = 0;
write_int(rec->block, dir->block, 4);
write_int(rec->block, dir->info.dir.block, 4);
write_int(rec->parent, parent + 1, 2);
if (dir->parent)
memcpy(rec->dir_id, dir->name, rec->len_di[0]);
@ -227,20 +235,31 @@ write_one_dir_record(struct ecma119_write_target *t,
int file_id,
uint8_t *buf)
{
uint32_t len;
uint32_t block;
uint8_t len_dr = (file_id >= 0) ? 34 : node->dirent_len;
uint8_t len_fi = (file_id >= 0) ? 1 : ucslen(node->name) * 2;
uint8_t f_id = (uint8_t) ((file_id == 3) ? 0 : file_id);
uint8_t *name = (file_id >= 0) ? &f_id : (uint8_t*)node->name;
struct ecma119_dir_record *rec = (struct ecma119_dir_record*)buf;
if (node->type == JOLIET_DIR) {
len = node->info.dir.len;
block = node->info.dir.block;
} else {
/* file */
len = node->info.file->size;
block = node->info.file->block;
}
if (file_id == 1 && node->parent)
node = node->parent;
rec->len_dr[0] = len_dr;
iso_bb(rec->block, node->block, 4);
iso_bb(rec->length, node->len, 4);
iso_bb(rec->block, block, 4);
iso_bb(rec->length, len, 4);
iso_datetime_7(rec->recording_time, t->now);
rec->flags[0] = ISO_ISDIR(node->iso_self) ? 2 : 0;
rec->flags[0] = (node->type == JOLIET_DIR) ? 2 : 0;
iso_bb(rec->vol_seq_number, t->volnum + 1, 2);
rec->len_fi[0] = len_fi;
memcpy(rec->file_id, name, len_fi);
@ -263,14 +282,25 @@ write_sup_vol_desc(struct ecma119_write_target *t, uint8_t *buf)
{
struct ecma119_sup_vol_desc *vol = (struct ecma119_sup_vol_desc*)buf;
struct iso_volume *volume = t->volset->volume[t->volnum];
uint16_t *vol_id = str2ucs(volume->volume_id);
uint16_t *pub_id = str2ucs(volume->publisher_id);
uint16_t *data_id = str2ucs(volume->data_preparer_id);
uint16_t *volset_id = str2ucs(t->volset->volset_id);
uint16_t *vol_id = str2ucs(volume->volume_id, t->input_charset);
uint16_t *pub_id = str2ucs(volume->publisher_id, t->input_charset);
uint16_t *data_id = str2ucs(volume->data_preparer_id, t->input_charset);
uint16_t *volset_id = str2ucs(t->volset->volset_id, t->input_charset);
int vol_id_len = MIN(32, ucslen(vol_id) * 2);
int pub_id_len = MIN(128, ucslen(pub_id) * 2);
int data_id_len = MIN(128, ucslen(data_id) * 2);
int volset_id_len = MIN(128, ucslen(volset_id) * 2);
uint16_t *system_id = str2ucs(volume->system_id, t->input_charset);
uint16_t *application_id = str2ucs(volume->application_id, t->input_charset);
uint16_t *copyright_file_id = str2ucs(volume->copyright_file_id, t->input_charset);
uint16_t *abstract_file_id = str2ucs(volume->abstract_file_id, t->input_charset);
uint16_t *biblio_file_id = str2ucs(volume->biblio_file_id, t->input_charset);
int system_id_len = MIN(32, ucslen(system_id) * 2);
int application_id_len = MIN(128, ucslen(application_id) * 2);
int copyright_file_id_len = MIN(37, ucslen(copyright_file_id) * 2);
int abstract_file_id_len = MIN(37, ucslen(abstract_file_id) * 2);
int biblio_file_id_len = MIN(37, ucslen(biblio_file_id) * 2);
vol->vol_desc_type[0] = 2;
memcpy(vol->std_identifier, "CD001", 5);
@ -292,8 +322,13 @@ write_sup_vol_desc(struct ecma119_write_target *t, uint8_t *buf)
memcpy(vol->vol_set_id, volset_id, volset_id_len);
memcpy(vol->publisher_id, pub_id, pub_id_len);
memcpy(vol->data_prep_id, data_id, data_id_len);
/*memcpy(vol->application_id, "APPID", app_id_len);*/
memcpy(vol->system_id, system_id, system_id_len);
memcpy(vol->application_id, "APPID", application_id_len);
memcpy(vol->copyright_file_id, copyright_file_id, copyright_file_id_len);
memcpy(vol->abstract_file_id, abstract_file_id, abstract_file_id_len);
memcpy(vol->bibliographic_file_id, biblio_file_id, biblio_file_id_len);
iso_datetime_17(vol->vol_creation_time, t->now);
iso_datetime_17(vol->vol_modification_time, t->now);
iso_datetime_17(vol->vol_effective_time, t->now);
@ -303,6 +338,11 @@ write_sup_vol_desc(struct ecma119_write_target *t, uint8_t *buf)
free(volset_id);
free(pub_id);
free(data_id);
free(system_id);
free(application_id);
free(copyright_file_id);
free(abstract_file_id);
free(biblio_file_id);
}
@ -317,7 +357,7 @@ write_one_dir(struct ecma119_write_target *t,
uint8_t *orig_buf = buf;
uint8_t *prior_buf = buf;
assert(ISO_ISDIR (dir->iso_self));
assert(dir->type == JOLIET_DIR);
/* write the "." and ".." entries first */
write_one_dir_record(t, dir, 0, buf);
buf += ((struct ecma119_dir_record*) buf)->len_dr[0];
@ -325,8 +365,8 @@ write_one_dir(struct ecma119_write_target *t,
write_one_dir_record(t, dir, 1, buf);
buf += ((struct ecma119_dir_record*) buf)->len_dr[0];
for (i = 0; i < dir->nchildren; i++) {
write_one_dir_record(t, dir->children[i], -1, buf);
for (i = 0; i < dir->info.dir.nchildren; i++) {
write_one_dir_record(t, dir->info.dir.children[i], -1, buf);
len = ((struct ecma119_dir_record*) buf)->len_dr[0];
if ((buf + len - prior_buf) >= 2048) {
for (j = len - 1; j >= 0; j--) {
@ -341,7 +381,7 @@ write_one_dir(struct ecma119_write_target *t,
}
}
assert (buf - orig_buf == dir->len);
assert (buf - orig_buf == dir->info.dir.len);
}
static void
@ -350,11 +390,11 @@ write_dirs(struct ecma119_write_target *t, uint8_t *buf)
size_t i;
struct joliet_tree_node *dir;
assert (t->curblock == t->dirlist_joliet[0]->block);
for (i = 0; i < t->dirlist_len; i++) {
assert (t->curblock == t->dirlist_joliet[0]->info.dir.block);
for (i = 0; i < t->dirlist_len_joliet; i++) {
dir = t->dirlist_joliet[i];
write_one_dir(t, dir, buf);
buf += round_up(dir->len, t->block_size);
buf += round_up(dir->info.dir.len, t->block_size);
}
}

32
libisofs/joliet.h
View File

@ -17,19 +17,34 @@
struct ecma119_write_target;
struct iso_tree_node;
enum {
JOLIET_FILE,
JOLIET_DIR
};
struct joliet_dir_info {
struct joliet_tree_node **children;
size_t nchildren;
size_t len;
size_t block;
};
struct joliet_tree_node
{
uint16_t *name; /**< In UCS-2BE. */
size_t dirent_len;
size_t len;
size_t block;
//size_t len;??
/*size_t block;*/
struct joliet_tree_node *parent;
struct iso_tree_node *iso_self;
/* struct iso_tree_node *iso_self; */
struct ecma119_write_target *target;
struct joliet_tree_node **children;
size_t nchildren;
int type;
union {
struct iso_file *file;
struct joliet_dir_info dir;
} info;
};
/**
@ -55,9 +70,10 @@ joliet_calc_dir_pos(struct ecma119_write_target *t, struct joliet_tree_node*);
/**
* Update the position of each file in the joliet hierarchy (to be called
* AFTER the file positions in the iso tree have been set).
* TODO not needed, block info is kept away in hash table
*/
void
joliet_update_file_pos(struct ecma119_write_target *t, struct joliet_tree_node*);
//void
//joliet_update_file_pos(struct ecma119_write_target *t, struct joliet_tree_node*);
/**
* Calculate the size of the joliet path table and fill in the list of

156
libisofs/libisofs.h
View File

@ -33,11 +33,44 @@ struct iso_volset;
*/
struct iso_tree_node;
/**
* A directory in the filesystem tree.
* The first member of this is an iso_tree_node.
* \see tree.h
*/
struct iso_tree_node_dir;
enum ecma119_extension_flag {
ECMA119_ROCKRIDGE = (1<<0),
ECMA119_JOLIET = (1<<1)
};
/**
* This will hold the error code for some functions, if them fail.
*/
int libisofs_errno;
/* an unexpected internal error */
#define INTERNAL_ERROR -1
/* file don't exists, or can't be stat'ed */
#define NO_FILE 1
/* user haven't read access to file */
#define NO_READ_ACCESS 2
/* unexpected file type, eg., passing a dir instead of a regular file */
#define UNEXPECTED_FILE_TYPE 3
/**
* Controls the bahavior of iso_tree_radd_dir function
*/
struct iso_tree_radd_dir_behavior {
char** excludes; /**< List of paths (file or directory) to be ignored. */
//int follow_sym_link;
int stop_on_error; /**< Stop when an error was found?. */
int error; /**< set to 1 on error */
//int notify_errors;
//char** errors;
};
/**
* Create a new volume.
* The parameters can be set to NULL if you wish to set them later.
@ -49,7 +82,7 @@ struct iso_volume *iso_volume_new(const char *volume_id,
struct iso_volume *iso_volume_new_with_root(const char *volume_id,
const char *publisher_id,
const char *data_preparer_id,
struct iso_tree_node *root);
struct iso_tree_node_dir *root);
/**
* Free a volume.
@ -64,7 +97,7 @@ void iso_volset_free(struct iso_volset *volume);
/**
* Get the root directory for a volume.
*/
struct iso_tree_node *iso_volume_get_root(const struct iso_volume *volume);
struct iso_tree_node_dir *iso_volume_get_root(const struct iso_volume *volume);
/**
* Fill in the volume identifier for a volume.
@ -126,7 +159,7 @@ void iso_volume_set_biblio_file_id(struct iso_volume *volume,
* \return The node found or NULL.
*
*/
struct iso_tree_node *iso_tree_volume_path_to_node(struct iso_volume *volume, const char *path);
//struct iso_tree_node *iso_tree_volume_path_to_node(struct iso_volume *volume, const char *path);
/**
* Add a file or a directory (recursively) to a volume by specifying its path on the volume.
@ -137,9 +170,9 @@ struct iso_tree_node *iso_tree_volume_path_to_node(struct iso_volume *volume, co
*
* \return The node for the file or NULL if the parent doesn't exists on the disc.
*/
struct iso_tree_node *iso_tree_volume_add_path(struct iso_volume *volume,
const char *disc_path,
const char *path);
//struct iso_tree_node *iso_tree_volume_add_path(struct iso_volume *volume,
// const char *disc_path,
// const char *path);
/**
* Creates a new, empty directory on the volume.
@ -149,8 +182,8 @@ struct iso_tree_node *iso_tree_volume_add_path(struct iso_volume *volume,
*
* \return A pointer to the newly created directory.
*/
struct iso_tree_node *iso_tree_volume_add_new_dir(struct iso_volume *volume,
const char *disc_path);
//struct iso_tree_node *iso_tree_volume_add_new_dir(struct iso_volume *volume,
// const char *disc_path);
/**
* Create a new Volume Set consisting of only one volume.
@ -161,54 +194,96 @@ struct iso_tree_node *iso_tree_volume_add_new_dir(struct iso_volume *volume,
struct iso_volset *iso_volset_new(struct iso_volume *volume,
const char *volset_id);
/**
* Creates a new root dir for a filesystem tree
*/
struct iso_tree_node_dir *iso_tree_new_root();
/**
* Add a file to a directory.
*
* \param path The path, on the local filesystem, of the file.
*
* \pre \p parent is non-NULL.
* \pre \p path is non-NULL.
* \return An iso_tree_node_file whose path is \p path and whose parent is
* \p parent.
* On error, returns NULL and libisofs_errno is set appropriately:
* NO_FILE if path doesn't point to a valid file.
* NO_READ_ACCESS if user haven't read access on file
* UNEXPECTED_FILE_TYPE if path doesn't point to a regular file
*/
struct iso_tree_node *iso_tree_add_file(struct iso_tree_node_dir *parent,
const char *path);
/**
* Add a symbolic link to a directory.
*
* \param name The name of the symbolic link
* \param dest The distination of the link, i.e., the file this link points
* to
*
* \pre \p parent, name and dest are non-NULL.
*
* \return An iso_tree_node_symlink
*/
struct iso_tree_node *iso_tree_add_symlink(struct iso_tree_node_dir *parent,
const char *name, const char *dest);
/**
* Add a new, empty directory to the tree.
*
* \pre \p parent is non-NULL.
* \pre \p name is unique among the children and files belonging to \p parent.
* Also, it doesn't contain '/' characters.
*
* \post \p parent contains a child directory whose name is \p name and whose
* POSIX attributes are the same as \p parent's.
* \return a pointer to the newly created directory.
*/
struct iso_tree_node_dir *iso_tree_add_dir(struct iso_tree_node_dir *parent,
const char *name);
/* TODO iso_tree_new_special */
/**
* Add a file to a directory.
*
* \param path The path, on the local filesystem, of the file.
*
* \pre \p parent is NULL or is a directory.
* \pre \p path is non-NULL and is a valid path to a non-directory on the local
* \pre \p parent is non-NULL.
* \pre \p path is non-NULL and is a valid path to a file or directory on the local
* filesystem.
* \return An iso_tree_node whose path is \p path and whose parent is \p parent.
* On error, returns NULL and libisofs_errno is set appropriately:
* NO_FILE if path doesn't point to a valid file.
* NO_READ_ACCESS if user haven't read access on file
* UNEXPECTED_FILE_TYPE if path refers to non supported file type
* (at the momment, only dirs, symlinks and regular
* files are supported).
*/
struct iso_tree_node *iso_tree_add_node(struct iso_tree_node *parent,
struct iso_tree_node *iso_tree_add_node(struct iso_tree_node_dir *parent,
const char *path);
/**
* Recursively add an existing directory to the tree.
* Warning: when using this, you'll lose pointers to files or subdirectories.
* If you want to have pointers to all files and directories,
* use iso_tree_add_file and iso_tree_add_dir.
* use iso_tree_add_file, iso_tree_add_node and iso_tree_add_dir.
*
* \param path The path, on the local filesystem, of the directory to add.
*
* \pre \p parent is NULL or is a directory.
* \pre \p parent is non-NULL.
* \pre \p path is non-NULL and is a valid path to a directory on the local
* filesystem.
* \return a pointer to the newly created directory.
*/
struct iso_tree_node *iso_tree_radd_dir(struct iso_tree_node *parent,
const char *path);
struct iso_tree_node_dir *iso_tree_radd_dir(struct iso_tree_node_dir *parent,
const char *path, struct iso_tree_radd_dir_behavior *behavior);
/**
* Add the path of a file or directory to ignore when adding a directory recursively.
*
* \param path The path, on the local filesystem, of the file.
*/
void iso_exclude_add_path(const char *path);
/**
* Remove a path that was set to be ignored when adding a directory recusively.
*
* \param path The path, on the local filesystem, of the file.
*/
void iso_exclude_remove_path(const char *path);
/**
* Remove all paths that were set to be ignored when adding a directory recusively.
*/
void iso_exclude_empty(void);
//struct iso_tree_node *iso_tree_radd_dir(struct iso_tree_node *parent,
// const char *path);
/**
* Creates a new, empty directory on the volume.
@ -221,13 +296,18 @@ void iso_exclude_empty(void);
* POSIX attributes are the same as \p parent's.
* \return a pointer to the newly created directory.
*/
struct iso_tree_node *iso_tree_add_new_dir(struct iso_tree_node *parent,
const char *name);
/*struct iso_tree_node *iso_tree_add_new_dir(struct iso_tree_node *parent,
const char *name);*/
/**
* Set the name of a file (using the current locale).
* Set the name of a tree node (using the current locale).
*/
void iso_tree_node_set_name(struct iso_tree_node *file, const char *name);
void iso_tree_node_set_name(struct iso_tree_node *node, const char *name);
/**
* Set if the node will be hidden in RR/ISO tree, Joliet tree or both.
*/
void iso_tree_node_set_hidden(struct iso_tree_node *node, int hide_attrs);
/**
* Recursively print a directory to stdout.

71
libisofs/rockridge.c
View File

@ -24,11 +24,11 @@ uint8_t *rrip_make_PX(struct ecma119_write_target *t,
PX[1] = 'X';
PX[2] = 44;
PX[3] = 1;
iso_bb(&PX[4], node->iso_self->attrib.st_mode, 4);
iso_bb(&PX[12], node->iso_self->attrib.st_nlink, 4);
iso_bb(&PX[20], node->iso_self->attrib.st_uid, 4);
iso_bb(&PX[28], node->iso_self->attrib.st_gid, 4);
iso_bb(&PX[36], node->iso_self->attrib.st_ino, 4);
iso_bb(&PX[4], node->attrib.st_mode, 4);
iso_bb(&PX[12], node->attrib.st_nlink, 4);
iso_bb(&PX[20], node->attrib.st_uid, 4);
iso_bb(&PX[28], node->attrib.st_gid, 4);
iso_bb(&PX[36], node->attrib.st_ino, 4);
return PX;
}
@ -37,8 +37,8 @@ void rrip_add_PX(struct ecma119_write_target *t, struct ecma119_tree_node *node)
{
susp_append(t, &node->susp, rrip_make_PX(t, node));
if (node->type == ECMA119_DIR) {
susp_append(t, &node->dir.self_susp, rrip_make_PX(t, node));
susp_append(t, &node->dir.parent_susp, rrip_make_PX(t, node));
susp_append(t, &node->info.dir.self_susp, rrip_make_PX(t, node));
susp_append(t, &node->info.dir.parent_susp, rrip_make_PX(t, node));
}
}
@ -50,8 +50,8 @@ void rrip_add_PN(struct ecma119_write_target *t, struct ecma119_tree_node *node)
PN[1] = 'N';
PN[2] = 20;
PN[3] = 1;
iso_bb(&PN[4], node->iso_self->attrib.st_dev >> 32, 4);
iso_bb(&PN[12], node->iso_self->attrib.st_dev & 0xffffffff, 4);
iso_bb(&PN[4], node->attrib.st_dev >> 32, 4);
iso_bb(&PN[12], node->attrib.st_dev & 0xffffffff, 4);
susp_append(t, &node->susp, PN);
}
@ -102,7 +102,7 @@ static void rrip_SL_add_component(char *prev, char *cur, int *n_comp,
void rrip_add_SL(struct ecma119_write_target *t, struct ecma119_tree_node *node)
{
int ret, pathsize = 0;
int path_size;
char *path = NULL, *cur, *prev;
int i, j;
@ -113,19 +113,9 @@ void rrip_add_SL(struct ecma119_write_target *t, struct ecma119_tree_node *node)
uint8_t *SL;
do {
pathsize += 128;
path = realloc(path, pathsize);
/* FIXME: what if the file is not on the local fs? */
ret = readlink(node->iso_self->loc.path, path, pathsize);
} while (ret == pathsize);
if (ret == -1) {
fprintf(stderr, "Error: couldn't read symlink: %s\n",
strerror(errno));
return;
}
path[ret] = '\0';
path = node->info.dest;
path_size = strlen(path);
prev = path;
for (cur = strchr(path, '/'); cur && *cur; cur = strchr(cur, '/')) {
rrip_SL_add_component(prev, cur, &n_comp, &comp);
@ -134,8 +124,8 @@ void rrip_add_SL(struct ecma119_write_target *t, struct ecma119_tree_node *node)
}
/* if there was no trailing '/', we need to add the last component. */
if (prev == path || prev != &path[ret - 1]) {
rrip_SL_add_component(prev, &path[ret], &n_comp, &comp);
if (prev == path || prev != &path[path_size - 1]) {
rrip_SL_add_component(prev, &path[path_size], &n_comp, &comp);
}
for (i = 0; i < n_comp; i++) {
@ -172,7 +162,6 @@ void rrip_add_SL(struct ecma119_write_target *t, struct ecma119_tree_node *node)
}
susp_append(t, &node->susp, SL);
free(path);
/* free the components */
for (i = 0; i < n_comp; i++) {
free(comp[i]);
@ -200,7 +189,7 @@ static void rrip_add_NM_single(struct ecma119_write_target *t,
void
rrip_add_NM(struct ecma119_write_target *t, struct ecma119_tree_node *node)
{
char *name = iso_p_fileid(node->iso_self->name);
char *name = node->full_name;
int len = name ? strlen(name) : 0;
char *pos = name;
@ -208,8 +197,8 @@ rrip_add_NM(struct ecma119_write_target *t, struct ecma119_tree_node *node)
return;
if (node->type == ECMA119_DIR) {
rrip_add_NM_single(t, &node->dir.self_susp, pos, 0, 1 << 1);
rrip_add_NM_single(t, &node->dir.parent_susp, pos, 0, 1 << 2);
rrip_add_NM_single(t, &node->info.dir.self_susp, pos, 0, 1 << 1);
rrip_add_NM_single(t, &node->info.dir.parent_susp, pos, 0, 1 << 2);
}
while (len > 250) {
@ -240,7 +229,7 @@ rrip_add_PL(struct ecma119_write_target *t, struct ecma119_tree_node *node)
PL[1] = 'L';
PL[2] = 12;
PL[3] = 1;
susp_append(t, &node->dir.parent_susp, PL);
susp_append(t, &node->info.dir.parent_susp, PL);
}
void
@ -264,10 +253,10 @@ rrip_add_TF(struct ecma119_write_target *t, struct ecma119_tree_node *node)
TF[1] = 'F';
TF[2] = 5 + 3 * 7;
TF[3] = 1;
TF[4] = (1 << 1) | (1 << 2) | (1 << 3) | (1 << 7);
iso_datetime_7(&TF[5], node->iso_self->attrib.st_mtime);
iso_datetime_7(&TF[12], node->iso_self->attrib.st_atime);
iso_datetime_7(&TF[19], node->iso_self->attrib.st_ctime);
TF[4] = (1 << 1) | (1 << 2) | (1 << 3);
iso_datetime_7(&TF[5], node->attrib.st_mtime);
iso_datetime_7(&TF[12], node->attrib.st_atime);
iso_datetime_7(&TF[19], node->attrib.st_ctime);
susp_append(t, &node->susp, TF);
}
@ -278,21 +267,21 @@ rrip_finalize(struct ecma119_write_target *t, struct ecma119_tree_node *dir)
assert(dir->type == ECMA119_DIR);
if (dir->parent != dir->dir.real_parent) {
uint8_t *PL = susp_find(&dir->dir.parent_susp, "PL");
if (dir->parent != dir->info.dir.real_parent) {
uint8_t *PL = susp_find(&dir->info.dir.parent_susp, "PL");
assert(PL);
iso_bb(&PL[4], dir->dir.real_parent->block, 4);
iso_bb(&PL[4], dir->info.dir.real_parent->info.dir.block, 4);
}
for (i = 0; i < dir->dir.nchildren; i++) {
struct ecma119_tree_node *ch = dir->dir.children[i];
for (i = 0; i < dir->info.dir.nchildren; i++) {
struct ecma119_tree_node *ch = dir->info.dir.children[i];
if (ch->type == ECMA119_FILE && ch->file.real_me) {
if (ch->type == ECMA119_PLACEHOLDER) {
uint8_t *CL = susp_find(&ch->susp, "CL");
assert(CL);
iso_bb(&CL[4], ch->file.real_me->block, 4);
iso_bb(&CL[4], ch->info.real_me->info.dir.block, 4);
} else if (ch->type == ECMA119_DIR) {
rrip_finalize(t, ch);
}

36
libisofs/susp.c
View File

@ -117,8 +117,8 @@ susp_add_CE(struct ecma119_write_target *t, struct ecma119_tree_node *node)
{
try_add_CE(t, &node->susp, node->dirent_len);
if (node->type == ECMA119_DIR) {
try_add_CE(t, &node->dir.self_susp, 34);
try_add_CE(t, &node->dir.parent_susp, 34);
try_add_CE(t, &node->info.dir.self_susp, 34);
try_add_CE(t, &node->info.dir.parent_susp, 34);
}
}
@ -137,7 +137,7 @@ susp_add_SP(struct ecma119_write_target *t, struct ecma119_tree_node *dir)
SP[4] = 0xbe;
SP[5] = 0xef;
SP[6] = 0;
susp_append(t, &dir->dir.self_susp, SP);
susp_append(t, &dir->info.dir.self_susp, SP);
}
#if 0
@ -176,7 +176,7 @@ rrip_add_ER(struct ecma119_write_target *t, struct ecma119_tree_node *dir)
"FILE SYSTEM SEMANTICS.", 72);
memcpy(&ER[89], "PLEASE CONTACT THE IEEE STANDARDS DEPARTMENT, "
"PISCATAWAY, NJ, USA FOR THE 1282 SPECIFICATION.", 93);
susp_append(t, &dir->dir.self_susp, ER);
susp_append(t, &dir->info.dir.self_susp, ER);
}
/* calculate the location of the CE areas. Since CE areas don't need to be
@ -184,9 +184,9 @@ rrip_add_ER(struct ecma119_write_target *t, struct ecma119_tree_node *dir)
* directory and dump them immediately after all the directory records.
*
* Requires that the following be known:
* - position of the current directory (dir->block)
* - length of the current directory (dir->dir.len)
* - sum of the children's CE lengths (dir->dir.CE_len)
* - position of the current directory (dir->info.dir.block)
* - length of the current directory (dir->info.dir.len)
* - sum of the children's CE lengths (dir->info.dir.CE_len)
*/
static void
susp_fin_1_CE(struct ecma119_write_target *t,
@ -208,18 +208,18 @@ static void susp_fin_CE(struct ecma119_write_target *t,
struct ecma119_tree_node *dir)
{
int i;
size_t CE_offset = dir->dir.len;
size_t CE_offset = dir->info.dir.len;
assert(dir->type == ECMA119_DIR);
susp_fin_1_CE(t, &dir->dir.self_susp, dir->block, &CE_offset);
susp_fin_1_CE(t, &dir->dir.parent_susp, dir->block, &CE_offset);
susp_fin_1_CE(t, &dir->info.dir.self_susp, dir->info.dir.block, &CE_offset);
susp_fin_1_CE(t, &dir->info.dir.parent_susp, dir->info.dir.block, &CE_offset);
for (i = 0; i < dir->dir.nchildren; i++) {
struct ecma119_tree_node *ch = dir->dir.children[i];
susp_fin_1_CE(t, &ch->susp, dir->block, &CE_offset);
for (i = 0; i < dir->info.dir.nchildren; i++) {
struct ecma119_tree_node *ch = dir->info.dir.children[i];
susp_fin_1_CE(t, &ch->susp, dir->info.dir.block, &CE_offset);
}
assert(CE_offset == dir->dir.len + dir->dir.CE_len);
assert(CE_offset == dir->info.dir.len + dir->info.dir.CE_len);
}
void
@ -229,13 +229,13 @@ susp_finalize(struct ecma119_write_target *t, struct ecma119_tree_node *dir)
assert(dir->type = ECMA119_DIR);
if (dir->dir.depth != 1) {
if (dir->info.dir.depth != 1) {
susp_fin_CE(t, dir);
}
for (i = 0; i < dir->dir.nchildren; i++) {
if (dir->dir.children[i]->type == ECMA119_DIR)
susp_finalize(t, dir->dir.children[i]);
for (i = 0; i < dir->info.dir.nchildren; i++) {
if (dir->info.dir.children[i]->type == ECMA119_DIR)
susp_finalize(t, dir->info.dir.children[i]);
}
}

353
libisofs/tree.c
View File

@ -20,8 +20,6 @@
#include <stdio.h>
#include "tree.h"
#include "util.h"
#include "volume.h"
#include "exclude.h"
static void
@ -30,117 +28,223 @@ set_default_stat(struct stat *s)
time_t now = time(NULL);
memset(s, 0, sizeof(struct stat));
s->st_mode = 0777 | S_IFREG;
s->st_mode = 0555;
s->st_atime = s->st_mtime = s->st_ctime = now;
}
static struct stat
get_attrib(const struct iso_tree_node *node)
{
struct stat st;
if (node) {
return node->attrib;
}
set_default_stat(&st);
return st;
}
static void
append_node(struct iso_tree_node *parent,
append_node(struct iso_tree_node_dir *parent,
struct iso_tree_node *child)
{
assert((!parent || S_ISDIR(parent->attrib.st_mode)) && child);
if (!parent)
return;
assert( parent && child);
parent->nchildren++;
parent->children =
realloc(parent->children, parent->nchildren * sizeof(void*));
parent->children[parent->nchildren-1] = child;
child->parent = parent;
}
struct iso_tree_node_dir*
iso_tree_new_root()
{
struct iso_tree_node_dir *root;
root = calloc(1, sizeof(struct iso_tree_node_dir));
set_default_stat(&root->node.attrib);
root->node.attrib.st_mode = S_IFDIR | 0777;
return root;
}
struct iso_tree_node*
iso_tree_new_root(struct iso_volume *vol)
{
assert(vol);
if (vol->root) {
iso_tree_free(vol->root);
}
vol->root = calloc(1, sizeof(struct iso_tree_node));
vol->root->volume = vol;
set_default_stat(&vol->root->attrib);
vol->root->attrib.st_mode = S_IFDIR | 0777;
vol->root->loc.type = LIBISO_NONE;
return vol->root;
}
struct iso_tree_node*
iso_tree_add_new_file(struct iso_tree_node *parent, const char *name)
{
struct iso_tree_node *f = calloc(1, sizeof(struct iso_tree_node));
assert((!parent || S_ISDIR(parent->attrib.st_mode)) && name);
f->volume = parent ? parent->volume : NULL;
f->parent = parent;
f->name = parent ? strdup(name) : NULL;
f->attrib = get_attrib(parent);
f->attrib.st_mode = 0777 | S_IFREG;
f->loc.type = LIBISO_NONE;
append_node(parent, f);
return f;
}
struct iso_tree_node*
iso_tree_add_new_dir(struct iso_tree_node *parent, const char *name)
{
struct iso_tree_node *d = iso_tree_add_new_file(parent, name);
assert((!parent || S_ISDIR(parent->attrib.st_mode)) && name);
d->attrib.st_mode = (d->attrib.st_mode & ~S_IFMT) | S_IFDIR;
return d;
}
struct iso_tree_node*
iso_tree_add_node(struct iso_tree_node *parent, const char *path)
iso_tree_add_file(struct iso_tree_node_dir *parent, const char *path)
{
struct iso_tree_node_file *f;
char *p;
struct stat st;
struct iso_tree_node *ret;
assert((!parent || S_ISDIR(parent->attrib.st_mode)) && path);
if (lstat(path, &st) == -1)
assert( parent && path);
if (lstat(path, &st) == -1) {
libisofs_errno = NO_FILE;
return NULL;
}
if ( !S_ISREG(st.st_mode) ) {
libisofs_errno = UNEXPECTED_FILE_TYPE;
return NULL;
}
if ( access(path, R_OK) ) {
libisofs_errno = NO_READ_ACCESS;
return NULL;
}
f = calloc(1, sizeof(struct iso_tree_node_file));
/* fill fields */
f->node.attrib = st;
f->path = strdup(path);
p = strdup(path); /* because basename() might modify its arg */
/* it doesn't matter if we add a file or directory since we modify
* attrib anyway. */
ret = iso_tree_add_new_file(parent, basename(p));
ret->attrib = st;
ret->loc.type = LIBISO_FILESYS;
ret->loc.path = strdup(path);
f->node.name = strdup( basename(p) );
free(p);
return ret;
/* add to parent (this also sets f->node->parent) */
append_node(parent, (struct iso_tree_node*) f);
return (struct iso_tree_node*) f;
}
struct iso_tree_node*
iso_tree_radd_dir (struct iso_tree_node *parent, const char *path)
iso_tree_add_symlink(struct iso_tree_node_dir *parent,
const char *name, const char *dest)
{
struct iso_tree_node_symlink *link;
assert( parent && name && dest);
link = calloc(1, sizeof(struct iso_tree_node_symlink));
/* fill fields */
set_default_stat(&link->node.attrib);
link->node.attrib.st_mode |= S_IFLNK;
link->node.name = strdup(name);
link->dest = strdup(dest);
/* add to parent (this also sets link->node->parent) */
append_node(parent, (struct iso_tree_node*) link);
return (struct iso_tree_node*) link;
}
struct iso_tree_node_dir*
iso_tree_add_dir(struct iso_tree_node_dir *parent,
const char *name)
{
struct iso_tree_node_dir *dir;
assert( parent && name );
dir = calloc(1, sizeof(struct iso_tree_node_dir));
dir->node.attrib = parent->node.attrib;
dir->node.name = strdup(name);
append_node(parent, (struct iso_tree_node*) dir);
return dir;
}
void
iso_tree_node_set_name(struct iso_tree_node *node, const char *name)
{
free(node->name);
node->name = strdup(name);
}
void
iso_tree_node_set_hidden(struct iso_tree_node *node, int hide_attrs)
{
node->hide_flags = hide_attrs;
}
struct iso_tree_node*
iso_tree_add_node(struct iso_tree_node_dir *parent,
const char *path)
{
struct stat st;
struct iso_tree_node *node;
assert( parent && path);
if (lstat(path, &st) == -1) {
libisofs_errno = NO_FILE;
return NULL;
}
if ( access(path, R_OK) ) {
libisofs_errno = NO_READ_ACCESS;
return NULL;
}
switch (st.st_mode & S_IFMT) {
case S_IFREG:
/* regular file */
node = iso_tree_add_file(parent, path);
break;
case S_IFLNK:
/* symlink */
{
char dest[PATH_MAX];
char *p;
int n;
n = readlink(path, dest, PATH_MAX);
if ( n == -1 ) {
libisofs_errno = INTERNAL_ERROR;
return NULL;
}
dest[n] = '\0';
p = strdup(path); /* because basename() might modify its arg */
node = iso_tree_add_symlink(parent, basename(p), dest);
free(p);
node->attrib = st;
}
break;
case S_IFDIR:
/* directory */
{
char *p;
p = strdup(path); /* because basename() might modify its arg */
node = (struct iso_tree_node*) iso_tree_add_dir(parent, basename(p));
free(p);
node->attrib = st;
}
break;
default:
libisofs_errno = UNEXPECTED_FILE_TYPE;
node = NULL;
break;
}
return node;
}
void
iso_tree_free(struct iso_tree_node *root)
{
if ( ISO_ISDIR(root) ) {
size_t i;
struct iso_tree_node_dir *dir;
dir = (struct iso_tree_node_dir *) root;
for (i=0; i < dir->nchildren; i++) {
iso_tree_free(dir->children[i]);
}
free(dir->children);
} else if ( ISO_ISLNK(root) ) {
struct iso_tree_node_symlink *link;
link = (struct iso_tree_node_symlink *) root;
free(link->dest);
} else if ( ISO_ISREG(root) ) {
struct iso_tree_node_file *file;
file = (struct iso_tree_node_file *) root;
free(file->path);
}
free(root->name);
free(root);
}
static struct iso_tree_node*
iso_tree_radd_dir_aux(struct iso_tree_node_dir *parent, const char *path,
struct iso_tree_radd_dir_behavior *behavior,
struct iso_hash_table *excludes)
{
struct iso_tree_node *new;
DIR *dir;
struct dirent *ent;
assert((!parent || S_ISDIR(parent->attrib.st_mode)) && path);
new = iso_tree_add_node(parent, path);
if (!new || !S_ISDIR(new->attrib.st_mode)) {
if (!new || !ISO_ISDIR(new)) {
return new;
}
@ -157,44 +261,74 @@ iso_tree_radd_dir (struct iso_tree_node *parent, const char *path)
strcmp(ent->d_name, "..") == 0)
continue;
//check if path already finished in '/'
sprintf(child, "%s/%s", path, ent->d_name);
/* see if this child is excluded. */
if (iso_exclude_lookup(child))
if (iso_exclude_lookup(excludes, child))
continue;
iso_tree_radd_dir(new, child);
if ( !iso_tree_radd_dir_aux( (struct iso_tree_node_dir *) new, child,
behavior, excludes) ) {
/* error */
behavior->error = 1;
if (behavior->stop_on_error)
break;
}
}
closedir(dir);
return new;
}
void
iso_tree_free(struct iso_tree_node *root)
struct iso_tree_node_dir*
iso_tree_radd_dir(struct iso_tree_node_dir *parent, const char *path,
struct iso_tree_radd_dir_behavior *behavior)
{
size_t i;
for (i=0; i < root->nchildren; i++) {
iso_tree_free(root->children[i]);
struct iso_tree_node_dir *dir;
struct iso_hash_table table = { {0,}, 0};
assert ( parent && path );
behavior->error = 0;
/* initialize exclude hash_table */
if ( behavior->excludes ) {
char *exclude;
int i = 0;
while ( (exclude = behavior->excludes[i++]) ) {
iso_exclude_add_path(&table, exclude);
}
}
free(root->name);
free(root->children);
free(root);
/* recurse into dir */
dir = (struct iso_tree_node_dir*) iso_tree_radd_dir_aux(
parent, path, behavior, &table);
/* clear hashtable */
iso_exclude_empty(&table);
return dir;
}
void
iso_tree_print(const struct iso_tree_node *root, int spaces)
{
size_t i;
char sp[spaces+1];
memset(sp, ' ', spaces);
sp[spaces] = '\0';
printf("%s%s\n", sp, root->name);
for (i=0; i < root->nchildren; i++) {
iso_tree_print(root->children[i], spaces+2);
if ( ISO_ISDIR(root) ) {
size_t i;
struct iso_tree_node_dir *dir;
dir = (struct iso_tree_node_dir *) root;
for (i=0; i < dir->nchildren; i++) {
iso_tree_print(dir->children[i], spaces+2);
}
}
}
@ -205,19 +339,18 @@ iso_tree_print_verbose(const struct iso_tree_node *root,
void *callback_data,
int spaces)
{
size_t i;
(S_ISDIR(root->attrib.st_mode) ? dir : file)
(root, callback_data, spaces);
for (i=0; i < root->nchildren; i++) {
iso_tree_print_verbose(root->children[i], dir,
file, callback_data, spaces+2);
if ( ISO_ISDIR(root) ) {
size_t i;
struct iso_tree_node_dir *dir_node;
dir_node = (struct iso_tree_node_dir *) root;
for (i=0; i < dir_node->nchildren; i++) {
iso_tree_print_verbose(dir_node->children[i], dir,
file, callback_data, spaces+2);
}
}
}
void
iso_tree_node_set_name(struct iso_tree_node *file, const char *name)
{
free(file->name);
file->name = strdup(name);
}

113
libisofs/tree.h
View File

@ -24,46 +24,46 @@
#include "libisofs.h"
enum file_location {
LIBISO_FILESYS,
LIBISO_PREVSESSION,
LIBISO_NONE /**< for files/dirs that were added with
* iso_tree_add_new_XXX. */
//enum file_location {
// LIBISO_FILESYS,
// LIBISO_PREVSESSION,
// LIBISO_NONE /**< for files/dirs that were added with
// * iso_tree_add_new_XXX. */
//};
enum hide_node {
LIBISO_HIDE_ON_RR = 1 << 0,
LIBISO_HIDE_ON_JOLIET = 1 << 1
};
/**
* This tells us where to read the data from a file. Either we read from the
* local filesystem or we just point to the block on a previous session.
*/
struct iso_file_location
{
enum file_location type;
/* union {*/
char *path; /* in the current locale */
uint32_t block;
/* };*/
};
//struct iso_file_location
//{
// enum file_location type;
// /* union {*/
// char *path; /* in the current locale */
// uint32_t block;
// /* };*/
//};
/**
* A node in the filesystem tree.
*/
struct iso_tree_node
{
struct iso_volume *volume;
struct iso_tree_node *parent;
/*struct iso_volume *volume; TODO not needed? */
struct iso_tree_node_dir *parent;
char *name;
struct stat attrib; /**< The POSIX attributes of this node as
* documented in "man 2 stat". */
struct iso_file_location loc;
/**< Only used for regular files and symbolic
* links (ie. files for which we might have to
* copy data). */
int hide_flags; /**< If the node is to be hidden in RR/ISO or
* Joilet tree */
size_t nchildren; /**< The number of children of this
* directory (if this is a directory). */
struct iso_tree_node **children;
size_t block; /**< The block at which this file will
/*size_t block;*/ /**< The block at which this file will
* reside on disk. We store this here as
* well as in the various mangled trees
* because many different trees might point
@ -72,34 +72,49 @@ struct iso_tree_node
};
/**
* Create a new root directory for a volume.
*
* \param vol The volume for which to create a new root directory.
*
* \pre \p vol is non-NULL.
* \post \p vol has a non-NULL, empty root directory with permissions 777.
* \return \p vol's new non-NULL, empty root directory.
* A node in the filesystem tree that represents a regular file
*/
struct iso_tree_node *iso_tree_new_root(struct iso_volume *vol);
struct iso_tree_node_file
{
struct iso_tree_node node;
char *path; /**< the path of the file on local filesystem */
int sort_weight; /**< It sorts the order in which the file data is
* written to the CD image. Higher weighting files
* are written at the beginning of image */
/* when read from an existing ISO image, we need to store the
* block where file contents are written, and not the path.
* Maybe instead of a char *path we will need to go back to
* struct iso_file_location loc;
*/
/* struct iso_file_location loc; */
/**< Only used for regular files and symbolic
* links (ie. files for which we might have to
* copy data). */
};
/**
* Create a new, empty, file.
*
* \param parent The parent directory of the new file. If this is null, create
* and return a new file node without adding it to any tree.
* \param name The name of the new file, encoded in the current locale.
* \pre \p name is non-NULL and it does not match any other file or directory
* name in \p parent.
* \post \p parent (if non-NULL) contains a file with the following properties:
* - the file's name is \p name (converted to wchar_t)
* - the file's POSIX permissions are the same as \p parent's
* - the file is a regular file
* - the file is empty
*
* \return \p parent's newly created file.
* A node in the filesystem tree that represents a symbolic link
*/
struct iso_tree_node *iso_tree_add_new_file(struct iso_tree_node *parent,
const char *name);
struct iso_tree_node_symlink
{
struct iso_tree_node node;
char *dest; /**< Destination of the link */
};
/**
* A directory on the filesystem tree
*/
struct iso_tree_node_dir
{
struct iso_tree_node node;
size_t nchildren; /**< The number of children of this
* directory (if this is a directory). */
struct iso_tree_node **children;
};
/**
* Recursively free a directory.
@ -155,5 +170,7 @@ void iso_tree_print_verbose(const struct iso_tree_node *root,
int spaces);
#define ISO_ISDIR(n) S_ISDIR(n->attrib.st_mode)
#define ISO_ISREG(n) S_ISREG(n->attrib.st_mode)
#define ISO_ISLNK(n) S_ISLNK(n->attrib.st_mode)
#endif /* LIBISO_TREE_H */

155
libisofs/util.c
View File

@ -16,7 +16,8 @@
#include <ctype.h>
#include <assert.h>
#include <errno.h>
#include <locale.h>
#include <locale.h>
#include <limits.h>
#include "util.h"
@ -35,6 +36,53 @@ int round_up(int n, int mul)
return div_up(n, mul) * mul;
}
/**
* Convert a string between charsets.
* This assumes '\0' means end-of-string, what is not necessarily true,
* but given there are lots of strdup around there, it will fail in other
* places anyway...
*/
char *
convert_str(const char *str, const char *icharset, const char *ocharset)
{
char *ret;
size_t inbytes;
size_t outbytes;
inbytes = strlen(str);
outbytes = (inbytes+1) * MB_LEN_MAX;
{
/* ensure enought space */
char out[outbytes];
char *src;
size_t n;
iconv_t conv = iconv_open(ocharset, icharset);
if (conv == (iconv_t)(-1)) {
printf("Can't convert from %s to %s\n", icharset, ocharset);
return NULL;
}
src = (char *)str;
ret = (char *)out;
n = iconv(conv, &src, &inbytes, &ret, &outbytes);
if (n == -1) {
/* error just return input stream */
perror("Convert error.");
printf("Maybe string %s is not encoded in %s\n", str, icharset);
iconv_close(conv);
return strdup(str);
}
iconv_close(conv);
*ret = '\0';
ret = strdup(out);
}
return ret;
}
/**
* Convert a str in a specified codeset to WCHAR_T.
* The result must be free() when no more needed
@ -64,17 +112,22 @@ static wchar_t *str2wchar(const char *str, const char *codeset)
src = (char *)str;
n = iconv(conv, &src, &inbytes, &ret, &outbytes);
if (n == -1) {
/* error, should never occur */
/*
* FIXME
* The above assumption is not always true, because the str could
* actually not be encoded in specified codeset. This can lead to
* problems if, for example, a file is not in UTF-8. You should
* take care about this in a way like str2ascii
*/
perror("Convert error\n");
return NULL;
while (n == -1) {
if( errno != EINVAL ) {
/* error, should never occur */
iconv_close(conv);
perror("Convert error\n");
return NULL;
}
/* invalid input string charset, just log and ignore */
printf("String %s is not encoded in %s\n", str, codeset);
inbytes--;
if(!inbytes)
break;
n = iconv(conv, &src, &inbytes, &ret, &outbytes);
}
iconv_close(conv);
@ -85,7 +138,7 @@ static wchar_t *str2wchar(const char *str, const char *codeset)
/* this function must always return a name
* since the caller never checks if a NULL
* is returned. It also avoids some warnings. */
char *str2ascii(const char *src_arg)
char *str2ascii(const char *src_arg, const char *icharset)
{
wchar_t *wsrc_;
char *ret;
@ -97,6 +150,8 @@ char *str2ascii(const char *src_arg)
size_t inbytes;
size_t n;
assert(icharset);
if (!src_arg)
return NULL;
@ -108,7 +163,7 @@ char *str2ascii(const char *src_arg)
* this later.
*/
wsrc_ = str2wchar(src_arg, "UTF-8");
wsrc_ = str2wchar(src_arg, icharset);
if (!wsrc_)
return NULL;
@ -172,13 +227,12 @@ char *str2ascii(const char *src_arg)
}
/* FIXME: C&P */
uint16_t *str2ucs(const char *src_arg)
uint16_t *str2ucs(const char *src_arg, const char *icharset)
{
wchar_t wsrc_[NAME_BUFFER_SIZE];
char *src = (char*)wsrc_;
wchar_t *wsrc_;
char *src;
char *ret_;
char *ret;
mbstate_t state;
iconv_t conv;
size_t outbytes;
size_t numchars;
@ -188,13 +242,17 @@ uint16_t *str2ucs(const char *src_arg)
if (!src_arg)
return calloc(2, 1); /* empty UCS string */
/* convert the string to a wide character string. Note: outbytes
* is in fact the number of characters in the string and doesn't
* include the last NULL character. */
memset(&state, 0, sizeof(state));
numchars = mbsrtowcs(wsrc_, &src_arg, NAME_BUFFER_SIZE-1, &state);
if (numchars < 0)
* include the last NULL character.
*/
wsrc_ = str2wchar(src_arg, icharset);
if (!wsrc_)
return calloc(2, 1); /* empty UCS string */
src = (char*)wsrc_;
numchars = wcslen(wsrc_);
inbytes = numchars * sizeof(wchar_t);
@ -276,14 +334,14 @@ static int valid_p_char(char c)
|| (c == '.') || (c == '_') || (c == '-');
}
char *str2d_char(const char *str) {
char *str2d_char(const char *str, const char *icharset) {
char *ret;
size_t len, i;
if (!str)
return NULL;
ret = str2ascii(str);
ret = str2ascii(str, icharset);
len = strlen(ret);
for (i = 0; i < len; ++i) {
@ -294,14 +352,14 @@ char *str2d_char(const char *str) {
return ret;
}
char *str2a_char(const char *str) {
char *str2a_char(const char *str, const char *icharset) {
char *ret;
size_t len, i;
if (!str)
return NULL;
ret = str2ascii(str);
ret = str2ascii(str, icharset);
len = strlen(ret);
for (i = 0; i < len; ++i) {
@ -312,9 +370,9 @@ char *str2a_char(const char *str) {
return ret;
}
static char *iso_dirid(const char *src, int size)
static char *iso_dirid(const char *src, int size, const char *icharset)
{
char *ret = str2ascii(src);
char *ret = str2ascii(src, icharset);
size_t len, i;
if (!ret)
@ -333,19 +391,19 @@ static char *iso_dirid(const char *src, int size)
return ret;
}
char *iso_1_dirid(const char *src)
char *iso_1_dirid(const char *src, const char *icharset)
{
return iso_dirid(src, 8);
return iso_dirid(src, 8, icharset);
}
char *iso_2_dirid(const char *src)
char *iso_2_dirid(const char *src, const char *icharset)
{
return iso_dirid(src, 31);
return iso_dirid(src, 31, icharset);
}
char *iso_1_fileid(const char *src_arg)
char *iso_1_fileid(const char *src_arg, const char *icharset)
{
char *src = str2ascii(src_arg);
char *src = str2ascii(src_arg, icharset);
char *dest;
char *dot; /* Position of the last dot in the
filename, will be used to calculate
@ -394,9 +452,9 @@ char *iso_1_fileid(const char *src_arg)
return dest;
}
char *iso_2_fileid(const char *src_arg)
char *iso_2_fileid(const char *src_arg, const char *icharset)
{
char *src = str2ascii(src_arg);
char *src = str2ascii(src_arg, icharset);
char *dest;
char *dot;
int lname, lext, lnname, lnext, pos, i;
@ -454,9 +512,9 @@ char *iso_2_fileid(const char *src_arg)
}
char *
iso_p_fileid(const char *src)
iso_p_fileid(const char *src, const char *icharset)
{
char *ret = str2ascii(src);
char *ret = str2ascii(src, icharset);
size_t i, len;
if (!ret)
@ -471,9 +529,9 @@ iso_p_fileid(const char *src)
}
uint16_t *
iso_j_id(const char *src_arg)
iso_j_id(const char *src_arg, const char *icharset)
{
uint16_t *j_str = str2ucs(src_arg);
uint16_t *j_str = str2ucs(src_arg, icharset);
size_t len = ucslen(j_str);
size_t n;
@ -514,7 +572,6 @@ void iso_bb(uint8_t *buf, uint32_t num, int bytes)
iso_msb(buf+bytes, num, bytes);
}
void iso_datetime_7(unsigned char *buf, time_t t)
{
static int tzsetup = 0;
@ -535,12 +592,12 @@ void iso_datetime_7(unsigned char *buf, time_t t)
buf[4] = tm.tm_min;
buf[5] = tm.tm_sec;
#ifdef HAVE_TM_GMTOFF
tzoffset = -tm.tm_gmtoff / 60 / 15;
tzoffset = tm.tm_gmtoff / 60 / 15;
#else
tzoffset = -timezone / 60 / 15;
tzoffset = timezone / 60 / 15;
#endif
if (tzoffset < -48)
tzoffset += 101;
if (tzoffset > 52)
tzoffset -= 101;
buf[6] = tzoffset;
}
@ -584,12 +641,12 @@ void iso_datetime_17(unsigned char *buf, time_t t)
sprintf((char*)&buf[12], "%02d", MIN(59, tm.tm_sec));
memcpy(&buf[14], "00", 2);
#ifdef HAVE_TM_GMTOFF
tzoffset = -tm.tm_gmtoff / 60 / 15;
tzoffset = tm.tm_gmtoff / 60 / 15;
#else
tzoffset = -timezone / 60 / 15;
tzoffset = timezone / 60 / 15;
#endif
if (tzoffset < -48)
tzoffset += 101;
if (tzoffset > 52)
tzoffset -= 101;
buf[16] = tzoffset;
}
}

24
libisofs/util.h
View File

@ -30,22 +30,24 @@ extern inline int round_up(int n, int mul)
return div_up(n, mul) * mul;
}
wchar_t *towcs(const char *);
char *str2ascii(const char*);
uint16_t *str2ucs(const char*);
char *convert_str(const char *str, const char *icharset, const char *ocharset);
char *str2d_char(const char*);
char *str2a_char(const char*);
wchar_t *towcs(const char *);
char *str2ascii(const char*, const char *);
uint16_t *str2ucs(const char *, const char *);
char *str2d_char(const char*, const char *);
char *str2a_char(const char*, const char *);
/**
* Create a level 1 directory identifier.
*/
char *iso_1_dirid(const char *src);
char *iso_1_dirid(const char *src, const char *);
/**
* Create a level 2 directory identifier.
*/
char *iso_2_dirid(const char *src);
char *iso_2_dirid(const char *src, const char *);
/**
* Create a level 1 file identifier that consists of a name, extension and
@ -54,7 +56,7 @@ char *iso_2_dirid(const char *src);
* length 3, followed by a separator (;) and a version number (digit 1).
* @return NULL if the original name and extension both are of length 0.
*/
char *iso_1_fileid(const char *src);
char *iso_1_fileid(const char *src, const char *);
/**
* Create a level 2 file identifier that consists of a name, extension and
@ -63,7 +65,7 @@ char *iso_1_fileid(const char *src);
* followed by a separator (;) and a version number (digit 1).
* @return NULL if the original name and extension both are of length 0.
*/
char *iso_2_fileid(const char *src);
char *iso_2_fileid(const char *src, const char *);
/**
* Create a Joliet file or directory identifier that consists of a name,
@ -76,7 +78,7 @@ char *iso_2_fileid(const char *src);
* @param size will be set to the size (in bytes) of the identifier.
* @return NULL if the original name and extension both are of length 0 or the conversion from the current codeset to UCS-2BE is not available.
*/
uint16_t *iso_j_id(const char *src);
uint16_t *iso_j_id(const char *src, const char *icharset);
/**
* FIXME: what are the requirements for these next two? Is this for RR?
@ -85,7 +87,7 @@ uint16_t *iso_j_id(const char *src);
* The resulting file name will not exceed 250 characters.
* @return NULL if the original name and extension both are of length 0.
*/
char *iso_p_fileid(const char *src);
char *iso_p_fileid(const char *src, const char *);
/**
* Create a POSIX portable directory name.

198
libisofs/volume.c
View File

@ -52,14 +52,14 @@ struct iso_volume*
iso_volume_new_with_root(const char *volume_id,
const char *publisher_id,
const char *data_preparer_id,
struct iso_tree_node *root)
struct iso_tree_node_dir *root)
{
struct iso_volume *volume;
volume = calloc(1, sizeof(struct iso_volume));
volume->refcount = 1;
volume->root = root ? root : iso_tree_new_root(volume);
volume->root = root ? root : iso_tree_new_root();
if (volume_id != NULL)
volume->volume_id = strdup(volume_id);
@ -75,7 +75,7 @@ iso_volume_free(struct iso_volume *volume)
{
/* Only free if no references are in use. */
if (--volume->refcount < 1) {
iso_tree_free(volume->root);
iso_tree_free( (struct iso_tree_node*) volume->root);
free(volume->volume_id);
free(volume->publisher_id);
@ -85,7 +85,7 @@ iso_volume_free(struct iso_volume *volume)
}
}
struct iso_tree_node *
struct iso_tree_node_dir *
iso_volume_get_root(const struct iso_volume *volume)
{
return volume->root;
@ -139,98 +139,98 @@ void iso_volume_set_biblio_file_id(struct iso_volume *volume,
volume->biblio_file_id = strdup(biblio_file_id);
}
struct iso_tree_node *
iso_tree_volume_path_to_node(struct iso_volume *volume, const char *path)
{
struct iso_tree_node *node;
char *ptr, *brk_info, *component;
/* get the first child at the root of the volume
* that is "/" */
node=iso_volume_get_root(volume);
if (!strcmp (path, "/"))
return node;
if (!node->nchildren)
return NULL;
/* the name of the nodes is in wide characters so first convert path
* into wide characters. */
ptr = strdup(path);
/* get the first component of the path */
component=strtok_r(ptr, "/", &brk_info);
while (component) {
size_t max;
size_t i;
/* search among all the children of this directory if this path component exists */
max=node->nchildren;
for (i=0; i < max; i++) {
if (!strcmp(component, node->children[i]->name)) {
node=node->children[i];
break;
}
}
/* see if a node could be found */
if (i==max) {
node=NULL;
break;
}
component=strtok_r(NULL, "/", &brk_info);
}
free(ptr);
return node;
}
struct iso_tree_node *
iso_tree_volume_add_path(struct iso_volume *volume,
const char *disc_path,
const char *path)
{
char *tmp;
struct iso_tree_node *node;
struct iso_tree_node *parent_node;
tmp=strdup(disc_path);
parent_node = iso_tree_volume_path_to_node(volume, dirname(tmp));
free(tmp);
if (!parent_node)
return NULL;
node = iso_tree_radd_dir(parent_node, path);
if (!node)
return NULL;
tmp=strdup(disc_path);
iso_tree_node_set_name(node, basename(tmp));
free(tmp);
return node;
}
struct iso_tree_node *
iso_tree_volume_add_new_dir(struct iso_volume *volume,
const char *disc_path)
{
char *tmp;
struct iso_tree_node *node;
struct iso_tree_node *parent_node;
tmp=strdup(disc_path);
parent_node = iso_tree_volume_path_to_node(volume, dirname(tmp));
free(tmp);
if (!parent_node)
return NULL;
tmp=strdup(disc_path);
node = iso_tree_add_new_dir(parent_node, basename(tmp));
free(tmp);
return node;
}
//struct iso_tree_node *
//iso_tree_volume_path_to_node(struct iso_volume *volume, const char *path)
//{
// struct iso_tree_node *node;
// char *ptr, *brk_info, *component;
//
// /* get the first child at the root of the volume
// * that is "/" */
// node=iso_volume_get_root(volume);
// if (!strcmp (path, "/"))
// return node;
//
// if (!node->nchildren)
// return NULL;
//
// /* the name of the nodes is in wide characters so first convert path
// * into wide characters. */
// ptr = strdup(path);
//
// /* get the first component of the path */
// component=strtok_r(ptr, "/", &brk_info);
// while (component) {
// size_t max;
// size_t i;
//
// /* search among all the children of this directory if this path component exists */
// max=node->nchildren;
// for (i=0; i < max; i++) {
// if (!strcmp(component, node->children[i]->name)) {
// node=node->children[i];
// break;
// }
// }
//
// /* see if a node could be found */
// if (i==max) {
// node=NULL;
// break;
// }
//
// component=strtok_r(NULL, "/", &brk_info);
// }
//
// free(ptr);
// return node;
//}
//
//struct iso_tree_node *
//iso_tree_volume_add_path(struct iso_volume *volume,
// const char *disc_path,
// const char *path)
//{
// char *tmp;
// struct iso_tree_node *node;
// struct iso_tree_node *parent_node;
//
// tmp=strdup(disc_path);
// parent_node = iso_tree_volume_path_to_node(volume, dirname(tmp));
// free(tmp);
//
// if (!parent_node)
// return NULL;
//
// node = iso_tree_radd_dir(parent_node, path);
// if (!node)
// return NULL;
//
// tmp=strdup(disc_path);
// iso_tree_node_set_name(node, basename(tmp));
// free(tmp);
//
// return node;
//}
//
//struct iso_tree_node *
//iso_tree_volume_add_new_dir(struct iso_volume *volume,
// const char *disc_path)
//{
// char *tmp;
// struct iso_tree_node *node;
// struct iso_tree_node *parent_node;
//
// tmp=strdup(disc_path);
// parent_node = iso_tree_volume_path_to_node(volume, dirname(tmp));
// free(tmp);
//
// if (!parent_node)
// return NULL;
//
// tmp=strdup(disc_path);
// node = iso_tree_add_new_dir(parent_node, basename(tmp));
// free(tmp);
//
// return node;
//}

2
libisofs/volume.h
View File

@ -18,7 +18,7 @@ struct iso_volume
int refcount; /**< Number of used references to this
volume. */
struct iso_tree_node *root; /**< Root of the directory tree for the
struct iso_tree_node_dir *root; /**< Root of the directory tree for the
volume. */
char *volume_id; /**< Volume identifier. */

6
test/iso.c
View File

@ -44,11 +44,12 @@ int main(int argc, char **argv)
{
struct iso_volset *volset;
struct iso_volume *volume;
struct iso_tree_node *root;
struct iso_tree_node_dir *root;
struct burn_source *src;
unsigned char buf[2048];
FILE *fd;
int c;
struct iso_tree_radd_dir_behavior behav = {0,0,0};
int level=1, flags=0;
while ((c = getopt(argc, argv, optstring)) != -1) {
@ -89,7 +90,8 @@ int main(int argc, char **argv)
err(1, "error opening output file");
}
root = iso_tree_radd_dir(NULL, argv[optind]);
root = iso_tree_new_root();
iso_tree_radd_dir(root, argv[optind], &behav);
if (!root) {
err(1, "error opening input directory");
}