/* There are several sources we might use:
* - /ProgramData/Microsoft/Windows Live/WLive48x48.png
* - w-brand.png (in a very long directory name)
* - /Windows/System32/slui.exe --type=14 group icon #2
*/
static char *
icon_windows_8 (guestfs_h *g, struct inspect_fs *fs, size_t *size_r)
{
char *filename_case = NULL;
char *filename_downloaded = NULL;
char *ret;
filename_case = guestfs___case_sensitive_path_silently
(g, "/ProgramData/Microsoft/Windows Live/WLive48x48.png");
if (filename_case == NULL)
goto not_found;
filename_downloaded = guestfs___download_to_tmp (g, fs, filename_case,
"wlive48x48.png", 8192);
if (filename_downloaded == NULL)
goto not_found;
if (read_whole_file (g, filename_downloaded, &ret, size_r) == -1)
goto error;
free (filename_case);
free (filename_downloaded);
return ret;
error:
free (filename_case);
free (filename_downloaded);
return NULL;
not_found:
free (filename_case);
free (filename_downloaded);
return NOT_FOUND;
}
/* There are several sources we might use:
* - /ProgramData/Microsoft/Windows Live/WLive48x48.png
* - w-brand.png (in a very long directory name)
* - /Windows/System32/slui.exe --type=14 group icon #2
*/
static char *
icon_windows_8 (guestfs_h *g, struct inspect_fs *fs, size_t *size_r)
{
CLEANUP_FREE char *filename_case = NULL;
CLEANUP_FREE char *filename_downloaded = NULL;
int r;
char *ret;
filename_case = guestfs___case_sensitive_path_silently
(g, "/ProgramData/Microsoft/Windows Live/WLive48x48.png");
if (filename_case == NULL)
return NOT_FOUND; /* Not an error since a parent dir might not exist. */
guestfs_push_error_handler (g, NULL, NULL);
r = guestfs_is_file (g, filename_case);
guestfs_pop_error_handler (g);
if (r == -1)
return NULL;
if (r == 0)
return NOT_FOUND;
filename_downloaded = guestfs___download_to_tmp (g, fs, filename_case,
"wlive48x48.png", 8192);
if (filename_downloaded == NULL)
return NOT_FOUND;
if (read_whole_file (g, filename_downloaded, &ret, size_r) == -1)
return NULL;
return ret;
}
static char *
icon_cirros (guestfs_h *g, struct inspect_fs *fs, size_t *size_r)
{
char *ret = NOT_FOUND;
char *type = NULL;
char *local = NULL;
char *pngfile = NULL;
struct command *cmd;
int r;
r = guestfs_exists (g, CIRROS_LOGO);
if (r == -1) {
ret = NULL; /* a real error */
goto out;
}
if (r == 0) goto out;
/* Check the file type and geometry. */
type = guestfs_file (g, CIRROS_LOGO);
if (!type) goto out;
if (!STRPREFIX (type, "ASCII text")) goto out;
local = guestfs___download_to_tmp (g, fs, CIRROS_LOGO, "icon", 1024);
if (!local) goto out;
/* Use pbmtext to render it. */
pngfile = safe_asprintf (g, "%s/cirros.png", g->tmpdir);
cmd = guestfs___new_command (g);
guestfs___cmd_add_string_unquoted (cmd, PBMTEXT " < ");
guestfs___cmd_add_string_quoted (cmd, local);
guestfs___cmd_add_string_unquoted (cmd, " | " PNMTOPNG " > ");
guestfs___cmd_add_string_quoted (cmd, pngfile);
r = guestfs___cmd_run (cmd);
guestfs___cmd_close (cmd);
if (r == -1)
goto out;
if (!WIFEXITED (r) || WEXITSTATUS (r) != 0)
goto out;
/* Read it into memory. */
if (read_whole_file (g, pngfile, &ret, size_r) == -1) {
ret = NULL;
goto out;
}
out:
free (pngfile);
free (local);
free (type);
return ret;
}
/* Check that the named file 'filename' is a PNG file and is reasonable.
* If it is, download and return it.
*/
static char *
get_png (guestfs_h *g, struct inspect_fs *fs, const char *filename,
size_t *size_r, size_t max_size)
{
char *ret;
CLEANUP_FREE char *real = NULL;
CLEANUP_FREE char *type = NULL;
CLEANUP_FREE char *local = NULL;
int r, w, h;
r = guestfs_is_file_opts (g, filename,
GUESTFS_IS_FILE_OPTS_FOLLOWSYMLINKS, 1, -1);
if (r == -1)
return NULL; /* a real error */
if (r == 0)
return NOT_FOUND;
/* Resolve the path, in case it's a symbolic link (as in RHEL 7). */
guestfs_push_error_handler (g, NULL, NULL);
real = guestfs_realpath (g, filename);
guestfs_pop_error_handler (g);
if (real == NULL)
return NOT_FOUND; /* could just be a broken link */
/* Check the file type and geometry. */
type = guestfs_file (g, real);
if (!type)
return NOT_FOUND;
if (!STRPREFIX (type, "PNG image data, "))
return NOT_FOUND;
if (sscanf (&type[16], "%d x %d", &w, &h) != 2)
return NOT_FOUND;
if (w < 16 || h < 16 || w > 1024 || h > 1024)
return NOT_FOUND;
/* Define a maximum reasonable size based on the geometry. This
* also limits the maximum we allocate below to around 4 MB.
*/
if (max_size == 0)
max_size = 4 * w * h;
local = guestfs___download_to_tmp (g, fs, real, "icon", max_size);
if (!local)
return NOT_FOUND;
/* Successfully passed checks and downloaded. Read it into memory. */
if (read_whole_file (g, local, &ret, size_r) == -1)
return NULL;
return ret;
}
static char *
icon_windows_7 (guestfs_h *g, struct inspect_fs *fs, size_t *size_r)
{
CLEANUP_FREE char *filename = NULL;
CLEANUP_FREE char *filename_case = NULL;
CLEANUP_FREE char *filename_downloaded = NULL;
CLEANUP_FREE char *pngfile = NULL;
CLEANUP_CMD_CLOSE struct command *cmd = guestfs___new_command (g);
int r;
char *ret;
/* Download %systemroot%\explorer.exe */
filename = safe_asprintf (g, "%s/explorer.exe", fs->windows_systemroot);
filename_case = guestfs_case_sensitive_path (g, filename);
if (filename_case == NULL)
return NULL;
guestfs_push_error_handler (g, NULL, NULL);
r = guestfs_is_file (g, filename_case);
guestfs_pop_error_handler (g);
if (r == -1)
return NULL;
if (r == 0)
return NOT_FOUND;
filename_downloaded = guestfs___download_to_tmp (g, fs, filename_case,
"explorer.exe",
MAX_WINDOWS_EXPLORER_SIZE);
if (filename_downloaded == NULL)
return NOT_FOUND;
pngfile = safe_asprintf (g, "%s/windows-7-icon.png", g->tmpdir);
guestfs___cmd_add_string_unquoted (cmd, WRESTOOL " -x --type=2 --name=6801 ");
guestfs___cmd_add_string_quoted (cmd, filename_downloaded);
guestfs___cmd_add_string_unquoted (cmd,
" | " BMPTOPNM " | "
PAMCUT " -bottom 54 | "
PNMTOPNG " > ");
guestfs___cmd_add_string_quoted (cmd, pngfile);
r = guestfs___cmd_run (cmd);
if (r == -1)
return NULL;
if (!WIFEXITED (r) || WEXITSTATUS (r) != 0)
return NOT_FOUND;
if (read_whole_file (g, pngfile, &ret, size_r) == -1)
return NULL;
return ret;
}
static char *
icon_cirros (guestfs_h *g, struct inspect_fs *fs, size_t *size_r)
{
char *ret;
CLEANUP_FREE char *type = NULL;
CLEANUP_FREE char *local = NULL;
CLEANUP_FREE char *pngfile = NULL;
CLEANUP_CMD_CLOSE struct command *cmd = guestfs___new_command (g);
int r;
r = guestfs_is_file_opts (g, CIRROS_LOGO,
GUESTFS_IS_FILE_OPTS_FOLLOWSYMLINKS, 1, -1);
if (r == -1)
return NULL; /* a real error */
if (r == 0)
return NOT_FOUND;
/* Check the file type and geometry. */
type = guestfs_file (g, CIRROS_LOGO);
if (!type)
return NOT_FOUND;
if (!STRPREFIX (type, "ASCII text"))
return NOT_FOUND;
local = guestfs___download_to_tmp (g, fs, CIRROS_LOGO, "icon", 1024);
if (!local)
return NOT_FOUND;
/* Use pbmtext to render it. */
pngfile = safe_asprintf (g, "%s/cirros.png", g->tmpdir);
guestfs___cmd_add_string_unquoted (cmd, PBMTEXT " < ");
guestfs___cmd_add_string_quoted (cmd, local);
guestfs___cmd_add_string_unquoted (cmd, " | " PNMTOPNG " > ");
guestfs___cmd_add_string_quoted (cmd, pngfile);
r = guestfs___cmd_run (cmd);
if (r == -1)
return NOT_FOUND;
if (!WIFEXITED (r) || WEXITSTATUS (r) != 0)
return NOT_FOUND;
/* Read it into memory. */
if (read_whole_file (g, pngfile, &ret, size_r) == -1)
return NULL;
return ret;
}
/* Check that the named file 'filename' is a PNG file and is reasonable.
* If it is, download and return it.
*/
static char *
get_png (guestfs_h *g, struct inspect_fs *fs, const char *filename,
size_t *size_r, size_t max_size)
{
char *ret = NOT_FOUND;
char *type = NULL;
char *local = NULL;
int r, w, h;
r = guestfs_exists (g, filename);
if (r == -1) {
ret = NULL; /* a real error */
goto out;
}
if (r == 0) goto out;
/* Check the file type and geometry. */
type = guestfs_file (g, filename);
if (!type) goto out;
if (!STRPREFIX (type, "PNG image data, ")) goto out;
if (sscanf (&type[16], "%d x %d", &w, &h) != 2) goto out;
if (w < 16 || h < 16 || w > 1024 || h > 1024) goto out;
/* Define a maximum reasonable size based on the geometry. This
* also limits the maximum we allocate below to around 4 MB.
*/
if (max_size == 0)
max_size = 4 * w * h;
local = guestfs___download_to_tmp (g, fs, filename, "icon", max_size);
if (!local) goto out;
/* Successfully passed checks and downloaded. Read it into memory. */
if (read_whole_file (g, local, &ret, size_r) == -1) {
ret = NULL;
goto out;
}
out:
free (local);
free (type);
return ret;
}
static char *
icon_windows_7 (guestfs_h *g, struct inspect_fs *fs, size_t *size_r)
{
char *filename = NULL;
char *filename_case = NULL;
char *filename_downloaded = NULL;
char *pngfile = NULL;
char *ret;
struct command *cmd;
int r;
/* Download %systemroot%\explorer.exe */
filename = safe_asprintf (g, "%s/explorer.exe", fs->windows_systemroot);
filename_case = guestfs___case_sensitive_path_silently (g, filename);
if (filename_case == NULL)
goto not_found;
filename_downloaded = guestfs___download_to_tmp (g, fs, filename_case,
"explorer.exe",
MAX_WINDOWS_EXPLORER_SIZE);
if (filename_downloaded == NULL)
goto not_found;
pngfile = safe_asprintf (g, "%s/windows-7-icon.png", g->tmpdir);
cmd = guestfs___new_command (g);
guestfs___cmd_add_string_unquoted (cmd, WRESTOOL " -x --type=2 --name=6801 ");
guestfs___cmd_add_string_quoted (cmd, filename_downloaded);
guestfs___cmd_add_string_unquoted (cmd,
" | " BMPTOPNM " | "
PAMCUT " -bottom 54 | "
PNMTOPNG " > ");
guestfs___cmd_add_string_quoted (cmd, pngfile);
r = guestfs___cmd_run (cmd);
guestfs___cmd_close (cmd);
if (r == -1)
goto error;
if (!WIFEXITED (r) || WEXITSTATUS (r) != 0)
goto not_found;
if (read_whole_file (g, pngfile, &ret, size_r) == -1)
goto error;
free (filename);
free (filename_case);
free (filename_downloaded);
free (pngfile);
return ret;
error:
free (filename);
free (filename_case);
free (filename_downloaded);
free (pngfile);
return NULL;
not_found:
free (filename);
free (filename_case);
free (filename_downloaded);
free (pngfile);
return NOT_FOUND;
}