static
int follow_link(char *path, char *link) {
char *p_end, *l_slash;
/* path = absolute name of symlink
* link = contents of symlink
* path will be modified to reflect following the link
*/
/* easy case */
if (link[0] == '/') {
strcpy(path, link);
sanitize_filename(path); /* paranoia ? */
return 0;
}
/* Find end of path (w/o file bit) */
p_end = path+strlen(path);
while (p_end > path && *p_end != '/') p_end--;
p_end[0] = 0; /* lop off the last piece */
while (*link) {
l_slash = strchr(link, '/');
if (!l_slash) l_slash = strchr(link, 0);
if (l_slash - link == 2 && strncmp("..", link, 2) == 0) {
/* backup */
while (p_end > path && *p_end != '/') p_end--;
*p_end = 0;
} else if (l_slash - link == 1 && strncmp(".", link, 1) == 0) {
/* ignore this chunk */
} else {
/* Copy a segment over from the symlink */
/* Check that we're not about to overflow anything */
if ((p_end + 1 + (l_slash-link)) >= (path + PATH_MAX))
return -1;
p_end[0] = '/';
memcpy(p_end+1, link, l_slash-link);
p_end[1 + (l_slash - link)] = 0;
p_end += 1 + (l_slash - link);
}
link = *l_slash ? l_slash + 1 : l_slash;
}
sanitize_filename(path); /* paranoia ? */
return 0;
}
static
int load_file(const char *name_) {
char *name, *slash, *destname;
/* Get a writable copy of the name */
name = alloca(strlen(name_)+1);
strcpy(name, name_);
sanitize_filename(name);
destname = strchr(name, '>');
if (destname) {
*destname = 0;
destname++;
} else {
destname = name;
}
/* Store the path up to the destination name... This kinda needs
* to exist on the front end as well at this point */
slash = strchr(destname+1, '/'); /* skip leading slash */
while (slash) {
*slash = 0;
if (load_one_file(destname, destname))
return -1;
/* If that one was a symlink, we need to start over again with
* the path resulting from following the symlink. Also, note
* that we always follow symlinks embedded in paths. */
if (load_file_follow_symlink(destname))
return -1;
*slash = '/';
slash = strchr(slash+1, '/');
}
if (load_one_file(name, destname))
return -1;
if (follow_symlink && load_file_follow_symlink(destname))
return -1;
return 0;
}
// Returns 0 on success, nonzero on error
static int iso_extract_files(iso9660_t* p_iso, const char *psz_path)
{
HANDLE file_handle = NULL;
DWORD buf_size, wr_size, err;
BOOL s, is_syslinux_cfg, is_old_c32[NB_OLD_C32], is_symlink;
int i_length, r = 1;
char tmp[128], psz_fullpath[1024], *psz_basename;
const char *psz_iso_name = &psz_fullpath[strlen(psz_extract_dir)];
unsigned char buf[ISO_BLOCKSIZE];
CdioListNode_t* p_entnode;
iso9660_stat_t *p_statbuf;
CdioList_t* p_entlist;
size_t i, j, nul_pos;
lsn_t lsn;
int64_t i_file_length;
if ((p_iso == NULL) || (psz_path == NULL))
return 1;
i_length = _snprintf(psz_fullpath, sizeof(psz_fullpath), "%s%s/", psz_extract_dir, psz_path);
if (i_length < 0)
return 1;
psz_basename = &psz_fullpath[i_length];
p_entlist = iso9660_ifs_readdir(p_iso, psz_path);
if (!p_entlist) {
uprintf("Could not access directory %s\n", psz_path);
return 1;
}
_CDIO_LIST_FOREACH(p_entnode, p_entlist) {
if (FormatStatus) goto out;
p_statbuf = (iso9660_stat_t*) _cdio_list_node_data(p_entnode);
// Eliminate . and .. entries
if ( (strcmp(p_statbuf->filename, ".") == 0)
|| (strcmp(p_statbuf->filename, "..") == 0) )
continue;
// Rock Ridge requires an exception
is_symlink = FALSE;
if ((p_statbuf->rr.b3_rock == yep) && enable_rockridge) {
safe_strcpy(psz_basename, sizeof(psz_fullpath)-i_length-1, p_statbuf->filename);
if (safe_strlen(p_statbuf->filename) > 64)
iso_report.has_long_filename = TRUE;
// libcdio has a memleak for Rock Ridge symlinks. It doesn't look like there's an easy fix there as
// a generic list that's unaware of RR extensions is being used, so we prevent that memleak ourselves
is_symlink = (p_statbuf->rr.psz_symlink != NULL);
if (is_symlink)
iso_report.has_symlinks = TRUE;
if (scan_only)
safe_free(p_statbuf->rr.psz_symlink);
} else {
iso9660_name_translate_ext(p_statbuf->filename, psz_basename, i_joliet_level);
}
if (p_statbuf->type == _STAT_DIR) {
if (!scan_only) _mkdirU(psz_fullpath);
if (iso_extract_files(p_iso, psz_iso_name))
goto out;
} else {
i_file_length = p_statbuf->size;
if (check_iso_props(psz_path, &is_syslinux_cfg, is_old_c32, i_file_length, psz_basename, psz_fullpath)) {
continue;
}
// Replace slashes with backslashes and append the size to the path for UI display
nul_pos = safe_strlen(psz_fullpath);
for (i=0; i<nul_pos; i++)
if (psz_fullpath[i] == '/') psz_fullpath[i] = '\\';
safe_sprintf(&psz_fullpath[nul_pos], 24, " (%s)", SizeToHumanReadable(i_file_length, TRUE, FALSE));
uprintf("Extracting: %s\n", psz_fullpath);
safe_sprintf(&psz_fullpath[nul_pos], 24, " (%s)", SizeToHumanReadable(i_file_length, FALSE, FALSE));
SetWindowTextU(hISOFileName, psz_fullpath);
// ISO9660 cannot handle backslashes
for (i=0; i<nul_pos; i++) if (psz_fullpath[i] == '\\') psz_fullpath[i] = '/';
psz_fullpath[nul_pos] = 0;
for (i=0; i<NB_OLD_C32; i++) {
if (is_old_c32[i] && use_own_c32[i]) {
static_sprintf(tmp, "%s/syslinux-%s/%s", FILES_DIR, embedded_sl_version_str[0], old_c32_name[i]);
if (CopyFileA(tmp, psz_fullpath, FALSE)) {
uprintf(" Replaced with local version\n");
break;
}
uprintf(" Could not replace file: %s\n", WindowsErrorString());
}
}
if (i < NB_OLD_C32)
continue;
if (sanitize_filename(psz_fullpath))
uprintf(" File name sanitized to '%s'\n", psz_fullpath);
if (is_symlink) {
if (i_file_length == 0)
uprintf(" Ignoring Rock Ridge symbolic link to '%s'\n", p_statbuf->rr.psz_symlink);
safe_free(p_statbuf->rr.psz_symlink);
}
file_handle = CreateFileU(psz_fullpath, GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ|FILE_SHARE_WRITE, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
if (file_handle == INVALID_HANDLE_VALUE) {
err = GetLastError();
uprintf(" Unable to create file: %s\n", WindowsErrorString());
if ((err == ERROR_ACCESS_DENIED) && (safe_strcmp(&psz_fullpath[3], autorun_name) == 0))
uprintf(stupid_antivirus);
else
goto out;
} else for (i=0; i_file_length>0; i++) {
if (FormatStatus) goto out;
memset(buf, 0, ISO_BLOCKSIZE);
lsn = p_statbuf->lsn + (lsn_t)i;
if (iso9660_iso_seek_read(p_iso, buf, lsn, 1) != ISO_BLOCKSIZE) {
uprintf(" Error reading ISO9660 file %s at LSN %lu\n",
psz_iso_name, (long unsigned int)lsn);
goto out;
}
buf_size = (DWORD)MIN(i_file_length, ISO_BLOCKSIZE);
for (j=0; j<WRITE_RETRIES; j++) {
ISO_BLOCKING(s = WriteFile(file_handle, buf, buf_size, &wr_size, NULL));
if ((!s) || (buf_size != wr_size)) {
uprintf(" Error writing file: %s", WindowsErrorString());
if (j < WRITE_RETRIES-1)
uprintf(" RETRYING...\n");
} else {
break;
}
}
if (j >= WRITE_RETRIES) goto out;
i_file_length -= ISO_BLOCKSIZE;
if (nb_blocks++ % PROGRESS_THRESHOLD == 0) {
SendMessage(hISOProgressBar, PBM_SETPOS, (WPARAM)((MAX_PROGRESS*nb_blocks)/total_blocks), 0);
UpdateProgress(OP_DOS, 100.0f*nb_blocks/total_blocks);
}
}
ISO_BLOCKING(safe_closehandle(file_handle));
if (is_syslinux_cfg) {
if (replace_in_token_data(psz_fullpath, "append", iso_report.label, iso_report.usb_label, TRUE) != NULL)
uprintf("Patched %s: '%s' -> '%s'\n", psz_fullpath, iso_report.label, iso_report.usb_label);
}
}
}
r = 0;
out:
ISO_BLOCKING(safe_closehandle(file_handle));
_cdio_list_free(p_entlist, true);
return r;
}
// Returns 0 on success, nonzero on error
static int udf_extract_files(udf_t *p_udf, udf_dirent_t *p_udf_dirent, const char *psz_path)
{
HANDLE file_handle = NULL;
DWORD buf_size, wr_size, err;
BOOL r, is_syslinux_cfg, is_old_c32[NB_OLD_C32];
int i_length;
size_t i, nul_pos;
char tmp[128], *psz_fullpath = NULL;
const char* psz_basename;
udf_dirent_t *p_udf_dirent2;
uint8_t buf[UDF_BLOCKSIZE];
int64_t i_read, i_file_length;
if ((p_udf_dirent == NULL) || (psz_path == NULL))
return 1;
while ((p_udf_dirent = udf_readdir(p_udf_dirent)) != NULL) {
if (FormatStatus) goto out;
psz_basename = udf_get_filename(p_udf_dirent);
if (strlen(psz_basename) == 0)
continue;
i_length = (int)(3 + strlen(psz_path) + strlen(psz_basename) + strlen(psz_extract_dir) + 24);
psz_fullpath = (char*)calloc(sizeof(char), i_length);
if (psz_fullpath == NULL) {
uprintf("Error allocating file name\n");
goto out;
}
i_length = _snprintf(psz_fullpath, i_length, "%s%s/%s", psz_extract_dir, psz_path, psz_basename);
if (i_length < 0) {
goto out;
}
if (udf_is_dir(p_udf_dirent)) {
if (!scan_only) _mkdirU(psz_fullpath);
p_udf_dirent2 = udf_opendir(p_udf_dirent);
if (p_udf_dirent2 != NULL) {
if (udf_extract_files(p_udf, p_udf_dirent2, &psz_fullpath[strlen(psz_extract_dir)]))
goto out;
}
} else {
i_file_length = udf_get_file_length(p_udf_dirent);
if (check_iso_props(psz_path, &is_syslinux_cfg, is_old_c32, i_file_length, psz_basename, psz_fullpath)) {
safe_free(psz_fullpath);
continue;
}
// Replace slashes with backslashes and append the size to the path for UI display
nul_pos = safe_strlen(psz_fullpath);
for (i=0; i<nul_pos; i++)
if (psz_fullpath[i] == '/') psz_fullpath[i] = '\\';
safe_sprintf(&psz_fullpath[nul_pos], 24, " (%s)", SizeToHumanReadable(i_file_length, TRUE, FALSE));
uprintf("Extracting: %s\n", psz_fullpath);
safe_sprintf(&psz_fullpath[nul_pos], 24, " (%s)", SizeToHumanReadable(i_file_length, FALSE, FALSE));
SetWindowTextU(hISOFileName, psz_fullpath);
// Remove the appended size for extraction
psz_fullpath[nul_pos] = 0;
for (i=0; i<NB_OLD_C32; i++) {
if (is_old_c32[i] && use_own_c32[i]) {
static_sprintf(tmp, "%s/syslinux-%s/%s", FILES_DIR, embedded_sl_version_str[0], old_c32_name[i]);
if (CopyFileA(tmp, psz_fullpath, FALSE)) {
uprintf(" Replaced with local version\n");
break;
}
uprintf(" Could not replace file: %s\n", WindowsErrorString());
}
}
if (i < NB_OLD_C32)
continue;
if (sanitize_filename(psz_fullpath))
uprintf(" File name sanitized to '%s'\n", psz_fullpath);
file_handle = CreateFileU(psz_fullpath, GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ|FILE_SHARE_WRITE, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
if (file_handle == INVALID_HANDLE_VALUE) {
err = GetLastError();
uprintf(" Unable to create file: %s\n", WindowsErrorString());
if ((err == ERROR_ACCESS_DENIED) && (safe_strcmp(&psz_fullpath[3], autorun_name) == 0))
uprintf(stupid_antivirus);
else
goto out;
} else while (i_file_length > 0) {
if (FormatStatus) goto out;
memset(buf, 0, UDF_BLOCKSIZE);
i_read = udf_read_block(p_udf_dirent, buf, 1);
if (i_read < 0) {
uprintf(" Error reading UDF file %s\n", &psz_fullpath[strlen(psz_extract_dir)]);
goto out;
}
buf_size = (DWORD)MIN(i_file_length, i_read);
for (i=0; i<WRITE_RETRIES; i++) {
ISO_BLOCKING(r = WriteFile(file_handle, buf, buf_size, &wr_size, NULL));
if ((!r) || (buf_size != wr_size)) {
uprintf(" Error writing file: %s", WindowsErrorString());
if (i < WRITE_RETRIES-1)
uprintf(" RETRYING...\n");
} else {
break;
}
}
if (i >= WRITE_RETRIES) goto out;
i_file_length -= i_read;
if (nb_blocks++ % PROGRESS_THRESHOLD == 0) {
SendMessage(hISOProgressBar, PBM_SETPOS, (WPARAM)((MAX_PROGRESS*nb_blocks)/total_blocks), 0);
UpdateProgress(OP_DOS, 100.0f*nb_blocks/total_blocks);
}
}
// If you have a fast USB 3.0 device, the default Windows buffering does an
// excellent job at compensating for our small blocks read/writes to max out the
// device's bandwidth.
// The drawback however is with cancellation. With a large file, CloseHandle()
// may take forever to complete and is not interruptible. We try to detect this.
ISO_BLOCKING(safe_closehandle(file_handle));
if (is_syslinux_cfg) {
// Workaround for isolinux config files requiring an ISO label for kernel
// append that may be different from our USB label.
if (replace_in_token_data(psz_fullpath, "append", iso_report.label, iso_report.usb_label, TRUE) != NULL)
uprintf("Patched %s: '%s' -> '%s'\n", psz_fullpath, iso_report.label, iso_report.usb_label);
}
}
safe_free(psz_fullpath);
}
return 0;
out:
if (p_udf_dirent != NULL)
udf_dirent_free(p_udf_dirent);
ISO_BLOCKING(safe_closehandle(file_handle));
safe_free(psz_fullpath);
return 1;
}
void native_export_chatlog_init(uint32_t friend_number) {
FRIEND *f = get_friend(friend_number);
if (!f) {
LOG_ERR("Windows7", "Could not get friend with number: %u", friend_number);
return;
}
char *path = calloc(1, UTOX_FILE_NAME_LENGTH);
if (!path){
LOG_ERR("Windows7", " Could not allocate memory." );
return;
}
snprintf(path, UTOX_FILE_NAME_LENGTH, "%.*s.txt", (int)f->name_length, f->name);
wchar_t filepath[UTOX_FILE_NAME_LENGTH] = { 0 };
utf8_to_nativestr(path, filepath, UTOX_FILE_NAME_LENGTH * 2);
OPENFILENAMEW ofn = {
.lStructSize = sizeof(OPENFILENAMEW),
.lpstrFilter = L".txt",
.lpstrFile = filepath,
.nMaxFile = UTOX_FILE_NAME_LENGTH,
.Flags = OFN_EXPLORER | OFN_NOCHANGEDIR | OFN_NOREADONLYRETURN | OFN_OVERWRITEPROMPT,
.lpstrDefExt = L"txt",
};
if (GetSaveFileNameW(&ofn)) {
path = calloc(1, UTOX_FILE_NAME_LENGTH);
if (!path){
LOG_ERR("Windows7", " Could not allocate memory." );
return;
}
native_to_utf8str(filepath, path, UTOX_FILE_NAME_LENGTH);
FILE *file = utox_get_file_simple(path, UTOX_FILE_OPTS_WRITE);
if (file) {
utox_export_chatlog(f->id_str, file);
} else {
LOG_ERR("Windows7", "Opening file %s failed", path);
}
} else {
LOG_ERR("Windows7", "Unable to open file and export chatlog.");
}
free(path);
}
void native_select_dir_ft(uint32_t fid, uint32_t num, FILE_TRANSFER *file) {
if (!sanitize_filename(file->name)) {
LOG_ERR("Windows7", "Filename is invalid and could not be sanitized");
return;
}
wchar_t filepath[UTOX_FILE_NAME_LENGTH] = { 0 };
utf8_to_nativestr((char *)file->name, filepath, file->name_length * 2);
OPENFILENAMEW ofn = {
.lStructSize = sizeof(OPENFILENAMEW),
.lpstrFile = filepath,
.nMaxFile = UTOX_FILE_NAME_LENGTH,
.Flags = OFN_EXPLORER | OFN_NOCHANGEDIR | OFN_NOREADONLYRETURN | OFN_OVERWRITEPROMPT,
};
if (GetSaveFileNameW(&ofn)) {
char *path = calloc(1, UTOX_FILE_NAME_LENGTH);
if (!path) {
LOG_ERR("Windows7", "Could not allocate memory for path.");
return;
}
native_to_utf8str(filepath, path, UTOX_FILE_NAME_LENGTH * 2);
postmessage_toxcore(TOX_FILE_ACCEPT, fid, num, path);
} else {
LOG_ERR("Windows7", "Unable to Get save file for incoming FT.");
}
}
void native_autoselect_dir_ft(uint32_t fid, FILE_TRANSFER *file) {
wchar_t *autoaccept_folder = NULL;
if (settings.portable_mode) {
autoaccept_folder = calloc(1, UTOX_FILE_NAME_LENGTH * sizeof(wchar_t));
utf8_to_nativestr(portable_mode_save_path, autoaccept_folder, strlen(portable_mode_save_path) * 2);
} else if (SHGetKnownFolderPath((REFKNOWNFOLDERID)&FOLDERID_Downloads,
KF_FLAG_CREATE, NULL, &autoaccept_folder) != S_OK) {
LOG_ERR("Windows7", "Unable to get auto accept file folder!");
return;
}
wchar_t subpath[UTOX_FILE_NAME_LENGTH] = { 0 };
swprintf(subpath, UTOX_FILE_NAME_LENGTH, L"%ls%ls", autoaccept_folder, L"\\Tox_Auto_Accept");
if (settings.portable_mode) {
free(autoaccept_folder);
} else {
CoTaskMemFree(autoaccept_folder);
}
CreateDirectoryW(subpath, NULL);
if (!sanitize_filename(file->name)) {
LOG_ERR("Windows7", "Filename is invalid and could not be sanitized");
return;
}
wchar_t filename[UTOX_FILE_NAME_LENGTH] = { 0 };
utf8_to_nativestr((char *)file->name, filename, file->name_length * 2);
wchar_t fullpath[UTOX_FILE_NAME_LENGTH] = { 0 };
swprintf(fullpath, UTOX_FILE_NAME_LENGTH, L"%ls\\%ls", subpath, filename);
char *path = calloc(1, UTOX_FILE_NAME_LENGTH);
if (!path) {
LOG_ERR("Windows7", "Could not allocate memory for path.");
return;
}
native_to_utf8str(fullpath, path, UTOX_FILE_NAME_LENGTH);
postmessage_toxcore(TOX_FILE_ACCEPT_AUTO, fid, file->file_number, path);
}
void launch_at_startup(bool should) {
const wchar_t *run_key_path = L"Software\\Microsoft\\Windows\\CurrentVersion\\Run";
if (should) {
HKEY hKey;
if (RegOpenKeyW(HKEY_CURRENT_USER, run_key_path, &hKey) == ERROR_SUCCESS) {
wchar_t path[UTOX_FILE_NAME_LENGTH * 2];
uint16_t path_length = GetModuleFileNameW(NULL, path + 1, UTOX_FILE_NAME_LENGTH * 2);
path[0] = '\"';
path[path_length + 1] = '\"';
path[path_length + 2] = '\0';
path_length += 2;
// 2 bytes per wchar_t
uint16_t ret = RegSetKeyValueW(hKey, NULL, L"uTox", REG_SZ, path, path_length * 2);
if (ret == ERROR_SUCCESS) {
LOG_INFO("Windows7", "Set uTox to run at startup.");
} else {
LOG_ERR("Windows7", "Unable to set Registry key for startup.");
}
RegCloseKey(hKey);
}
} else {
HKEY hKey;
if (ERROR_SUCCESS == RegOpenKeyW(HKEY_CURRENT_USER, run_key_path, &hKey)) {
uint16_t ret = RegDeleteKeyValueW(hKey, NULL, L"uTox");
if (ret == ERROR_SUCCESS) {
LOG_INFO("Windows7", "Set uTox to not run at startup.");
} else {
LOG_ERR("Windows7", "Unable to delete Registry key for startup.");
}
RegCloseKey(hKey);
}
}
}
// Returns 0 on success, nonzero on error
static int udf_extract_files(udf_t *p_udf, udf_dirent_t *p_udf_dirent, const char *psz_path)
{
HANDLE file_handle = NULL;
DWORD buf_size, wr_size, err;
EXTRACT_PROPS props;
BOOL r, is_identical;
int i_length;
size_t i;
char tmp[128], *psz_fullpath = NULL, *psz_sanpath = NULL;
const char* psz_basename;
udf_dirent_t *p_udf_dirent2;
uint8_t buf[UDF_BLOCKSIZE];
int64_t i_read, i_file_length;
if ((p_udf_dirent == NULL) || (psz_path == NULL))
return 1;
while ((p_udf_dirent = udf_readdir(p_udf_dirent)) != NULL) {
if (FormatStatus) goto out;
psz_basename = udf_get_filename(p_udf_dirent);
if (strlen(psz_basename) == 0)
continue;
i_length = (int)(3 + strlen(psz_path) + strlen(psz_basename) + strlen(psz_extract_dir) + 24);
psz_fullpath = (char*)calloc(sizeof(char), i_length);
if (psz_fullpath == NULL) {
uprintf("Error allocating file name\n");
goto out;
}
i_length = _snprintf(psz_fullpath, i_length, "%s%s/%s", psz_extract_dir, psz_path, psz_basename);
if (i_length < 0) {
goto out;
}
if (udf_is_dir(p_udf_dirent)) {
if (!scan_only) {
psz_sanpath = sanitize_filename(psz_fullpath, &is_identical);
IGNORE_RETVAL(_mkdirU(psz_sanpath));
safe_free(psz_sanpath);
}
p_udf_dirent2 = udf_opendir(p_udf_dirent);
if (p_udf_dirent2 != NULL) {
if (udf_extract_files(p_udf, p_udf_dirent2, &psz_fullpath[strlen(psz_extract_dir)]))
goto out;
}
} else {
i_file_length = udf_get_file_length(p_udf_dirent);
if (check_iso_props(psz_path, i_file_length, psz_basename, psz_fullpath, &props)) {
safe_free(psz_fullpath);
continue;
}
print_extracted_file(psz_fullpath, i_file_length);
for (i=0; i<NB_OLD_C32; i++) {
if (props.is_old_c32[i] && use_own_c32[i]) {
static_sprintf(tmp, "%s/syslinux-%s/%s", FILES_DIR, embedded_sl_version_str[0], old_c32_name[i]);
if (CopyFileA(tmp, psz_fullpath, FALSE)) {
uprintf(" Replaced with local version\n");
break;
}
uprintf(" Could not replace file: %s\n", WindowsErrorString());
}
}
if (i < NB_OLD_C32)
continue;
psz_sanpath = sanitize_filename(psz_fullpath, &is_identical);
if (!is_identical)
uprintf(" File name sanitized to '%s'\n", psz_sanpath);
file_handle = CreateFileU(psz_sanpath, GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ|FILE_SHARE_WRITE, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
if (file_handle == INVALID_HANDLE_VALUE) {
err = GetLastError();
uprintf(" Unable to create file: %s\n", WindowsErrorString());
if ((err == ERROR_ACCESS_DENIED) && (safe_strcmp(&psz_sanpath[3], autorun_name) == 0))
uprintf(stupid_antivirus);
else
goto out;
} else while (i_file_length > 0) {
if (FormatStatus) goto out;
memset(buf, 0, UDF_BLOCKSIZE);
i_read = udf_read_block(p_udf_dirent, buf, 1);
if (i_read < 0) {
uprintf(" Error reading UDF file %s\n", &psz_fullpath[strlen(psz_extract_dir)]);
goto out;
}
buf_size = (DWORD)MIN(i_file_length, i_read);
for (i=0; i<WRITE_RETRIES; i++) {
ISO_BLOCKING(r = WriteFile(file_handle, buf, buf_size, &wr_size, NULL));
if ((!r) || (buf_size != wr_size)) {
uprintf(" Error writing file: %s", WindowsErrorString());
if (i < WRITE_RETRIES-1)
uprintf(" RETRYING...\n");
} else {
break;
}
}
if (i >= WRITE_RETRIES) goto out;
i_file_length -= i_read;
if (nb_blocks++ % PROGRESS_THRESHOLD == 0)
UpdateProgress(OP_DOS, 100.0f*nb_blocks/total_blocks);
}
// If you have a fast USB 3.0 device, the default Windows buffering does an
// excellent job at compensating for our small blocks read/writes to max out the
// device's bandwidth.
// The drawback however is with cancellation. With a large file, CloseHandle()
// may take forever to complete and is not interruptible. We try to detect this.
ISO_BLOCKING(safe_closehandle(file_handle));
if (props.is_syslinux_cfg || props.is_grub_cfg)
fix_config(psz_sanpath, psz_path, psz_basename, &props);
safe_free(psz_sanpath);
}
safe_free(psz_fullpath);
}
return 0;
out:
if (p_udf_dirent != NULL)
udf_dirent_free(p_udf_dirent);
ISO_BLOCKING(safe_closehandle(file_handle));
safe_free(psz_fullpath);
return 1;
}
// Returns 0 on success, nonzero on error
static int iso_extract_files(iso9660_t* p_iso, const char *psz_path)
{
HANDLE file_handle = NULL;
DWORD buf_size, wr_size, err;
EXTRACT_PROPS props;
BOOL is_symlink, is_identical;
int i_length, r = 1;
char tmp[128], psz_fullpath[MAX_PATH], *psz_basename, *psz_sanpath;
const char *psz_iso_name = &psz_fullpath[strlen(psz_extract_dir)];
unsigned char buf[ISO_BLOCKSIZE];
CdioListNode_t* p_entnode;
iso9660_stat_t *p_statbuf;
CdioList_t* p_entlist;
size_t i;
lsn_t lsn;
int64_t i_file_length;
if ((p_iso == NULL) || (psz_path == NULL))
return 1;
i_length = _snprintf(psz_fullpath, sizeof(psz_fullpath), "%s%s/", psz_extract_dir, psz_path);
if (i_length < 0)
return 1;
psz_basename = &psz_fullpath[i_length];
p_entlist = iso9660_ifs_readdir(p_iso, psz_path);
if (!p_entlist) {
uprintf("Could not access directory %s", psz_path);
return 1;
}
_CDIO_LIST_FOREACH(p_entnode, p_entlist) {
if (FormatStatus) goto out;
p_statbuf = (iso9660_stat_t*) _cdio_list_node_data(p_entnode);
// Eliminate . and .. entries
if ( (strcmp(p_statbuf->filename, ".") == 0)
|| (strcmp(p_statbuf->filename, "..") == 0) )
continue;
// Rock Ridge requires an exception
is_symlink = FALSE;
if ((p_statbuf->rr.b3_rock == yep) && enable_rockridge) {
safe_strcpy(psz_basename, sizeof(psz_fullpath)-i_length-1, p_statbuf->filename);
if (safe_strlen(p_statbuf->filename) > 64)
img_report.has_long_filename = TRUE;
// libcdio has a memleak for Rock Ridge symlinks. It doesn't look like there's an easy fix there as
// a generic list that's unaware of RR extensions is being used, so we prevent that memleak ourselves
is_symlink = (p_statbuf->rr.psz_symlink != NULL);
if (is_symlink)
img_report.has_symlinks = TRUE;
if (scan_only)
safe_free(p_statbuf->rr.psz_symlink);
} else {
iso9660_name_translate_ext(p_statbuf->filename, psz_basename, i_joliet_level);
}
if (p_statbuf->type == _STAT_DIR) {
if (!scan_only) {
psz_sanpath = sanitize_filename(psz_fullpath, &is_identical);
IGNORE_RETVAL(_mkdirU(psz_sanpath));
if (preserve_timestamps) {
LPFILETIME ft = to_filetime(mktime(&p_statbuf->tm));
set_directory_timestamp(psz_sanpath, ft, ft, ft);
}
safe_free(psz_sanpath);
}
if (iso_extract_files(p_iso, psz_iso_name))
goto out;
} else {
i_file_length = p_statbuf->size;
if (check_iso_props(psz_path, i_file_length, psz_basename, psz_fullpath, &props)) {
continue;
}
print_extracted_file(psz_fullpath, i_file_length);
for (i=0; i<NB_OLD_C32; i++) {
if (props.is_old_c32[i] && use_own_c32[i]) {
static_sprintf(tmp, "%s/syslinux-%s/%s", FILES_DIR, embedded_sl_version_str[0], old_c32_name[i]);
if (CopyFileU(tmp, psz_fullpath, FALSE)) {
uprintf(" Replaced with local version %s", IsFileInDB(tmp)?"✓":"✗");
break;
}
uprintf(" Could not replace file: %s", WindowsErrorString());
}
}
if (i < NB_OLD_C32)
continue;
psz_sanpath = sanitize_filename(psz_fullpath, &is_identical);
if (!is_identical)
uprintf(" File name sanitized to '%s'", psz_sanpath);
if (is_symlink) {
if (i_file_length == 0)
uprintf(" Ignoring Rock Ridge symbolic link to '%s'", p_statbuf->rr.psz_symlink);
safe_free(p_statbuf->rr.psz_symlink);
}
file_handle = CreateFileU(psz_sanpath, GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ|FILE_SHARE_WRITE, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
if (file_handle == INVALID_HANDLE_VALUE) {
err = GetLastError();
uprintf(" Unable to create file: %s", WindowsErrorString());
if ((err == ERROR_ACCESS_DENIED) && (safe_strcmp(&psz_sanpath[3], autorun_name) == 0))
uprintf(stupid_antivirus);
else
goto out;
} else for (i=0; i_file_length>0; i++) {
if (FormatStatus) goto out;
memset(buf, 0, ISO_BLOCKSIZE);
lsn = p_statbuf->lsn + (lsn_t)i;
if (iso9660_iso_seek_read(p_iso, buf, lsn, 1) != ISO_BLOCKSIZE) {
uprintf(" Error reading ISO9660 file %s at LSN %lu",
psz_iso_name, (long unsigned int)lsn);
goto out;
}
buf_size = (DWORD)MIN(i_file_length, ISO_BLOCKSIZE);
ISO_BLOCKING(r = WriteFileWithRetry(file_handle, buf, buf_size, &wr_size, WRITE_RETRIES));
if (!r) {
uprintf(" Error writing file: %s", WindowsErrorString());
goto out;
}
i_file_length -= ISO_BLOCKSIZE;
if (nb_blocks++ % PROGRESS_THRESHOLD == 0)
UpdateProgress(OP_DOS, 100.0f*nb_blocks/total_blocks);
}
if (preserve_timestamps) {
LPFILETIME ft = to_filetime(mktime(&p_statbuf->tm));
if (!SetFileTime(file_handle, ft, ft, ft))
uprintf(" Could not set timestamp: %s", WindowsErrorString());
}
ISO_BLOCKING(safe_closehandle(file_handle));
if (props.is_syslinux_cfg || props.is_grub_cfg)
fix_config(psz_sanpath, psz_path, psz_basename, &props);
safe_free(psz_sanpath);
}
}
r = 0;
out:
ISO_BLOCKING(safe_closehandle(file_handle));
_cdio_list_free(p_entlist, true);
return r;
}