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/* libguestfs - the guestfsd daemon
* Copyright (C) 2012 Red Hat Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <inttypes.h>
#include <string.h>
#include <unistd.h>
#include <time.h>
#include "guestfs_protocol.h"
#include "daemon.h"
#include "actions.h"
static int
parse_uint32 (uint32_t *ret, const char *str)
{
uint32_t r;
if (sscanf (str, "%" SCNu32, &r) != 1) {
reply_with_error ("cannot parse numeric field from isoinfo: %s", str);
return -1;
}
*ret = r;
return 0;
}
/* This is always in a fixed format:
* "2012 03 16 11:05:46.00"
* or if the field is not present, then:
* "0000 00 00 00:00:00.00"
*/
static int
parse_time_t (int64_t *ret, const char *str)
{
struct tm tm;
time_t r;
if (STREQ (str, "0000 00 00 00:00:00.00")) {
*ret = -1;
return 0;
}
if (sscanf (str, "%04d %02d %02d %02d:%02d:%02d",
&tm.tm_year, &tm.tm_mon, &tm.tm_mday,
&tm.tm_hour, &tm.tm_min, &tm.tm_sec) != 6) {
reply_with_error ("cannot parse date from isoinfo: %s", str);
return -1;
}
/* Adjust fields. */
tm.tm_year -= 1900;
tm.tm_mon--;
tm.tm_isdst = -1;
/* Convert to time_t. */
r = timegm (&tm);
if (r == -1) {
reply_with_error ("invalid date or time: %s", str);
return -1;
}
*ret = r;
return 0;
}
static guestfs_int_isoinfo *
parse_isoinfo (char **lines)
{
guestfs_int_isoinfo *ret;
size_t i;
ret = calloc (1, sizeof *ret);
if (ret == NULL) {
reply_with_perror ("calloc");
return NULL;
}
/* Default each int field in the struct to -1. */
ret->iso_volume_space_size = (uint32_t) -1;
ret->iso_volume_set_size = (uint32_t) -1;
ret->iso_volume_sequence_number = (uint32_t) -1;
ret->iso_logical_block_size = (uint32_t) -1;
ret->iso_volume_creation_t = -1;
ret->iso_volume_modification_t = -1;
ret->iso_volume_expiration_t = -1;
ret->iso_volume_effective_t = -1;
for (i = 0; lines[i] != NULL; ++i) {
if (STRPREFIX (lines[i], "System id: ")) {
ret->iso_system_id = strdup (&lines[i][11]);
if (ret->iso_system_id == NULL) goto error;
}
else if (STRPREFIX (lines[i], "Volume id: ")) {
ret->iso_volume_id = strdup (&lines[i][11]);
if (ret->iso_volume_id == NULL) goto error;
}
else if (STRPREFIX (lines[i], "Volume set id: ")) {
ret->iso_volume_set_id = strdup (&lines[i][15]);
if (ret->iso_volume_set_id == NULL) goto error;
}
else if (STRPREFIX (lines[i], "Publisher id: ")) {
ret->iso_publisher_id = strdup (&lines[i][14]);
if (ret->iso_publisher_id == NULL) goto error;
}
else if (STRPREFIX (lines[i], "Data preparer id: ")) {
ret->iso_data_preparer_id = strdup (&lines[i][18]);
if (ret->iso_data_preparer_id == NULL) goto error;
}
else if (STRPREFIX (lines[i], "Application id: ")) {
ret->iso_application_id = strdup (&lines[i][16]);
if (ret->iso_application_id == NULL) goto error;
}
else if (STRPREFIX (lines[i], "Copyright File id: ")) {
ret->iso_copyright_file_id = strdup (&lines[i][19]);
if (ret->iso_copyright_file_id == NULL) goto error;
}
else if (STRPREFIX (lines[i], "Abstract File id: ")) {
ret->iso_abstract_file_id = strdup (&lines[i][18]);
if (ret->iso_abstract_file_id == NULL) goto error;
}
else if (STRPREFIX (lines[i], "Bibliographic File id: ")) {
ret->iso_bibliographic_file_id = strdup (&lines[i][23]);
if (ret->iso_bibliographic_file_id == NULL) goto error;
}
else if (STRPREFIX (lines[i], "Volume size is: ")) {
if (parse_uint32 (&ret->iso_volume_space_size, &lines[i][16]) == -1)
goto error;
}
else if (STRPREFIX (lines[i], "Volume set size is: ")) {
if (parse_uint32 (&ret->iso_volume_set_size, &lines[i][20]) == -1)
goto error;
}
else if (STRPREFIX (lines[i], "Volume set sequence number is: ")) {
if (parse_uint32 (&ret->iso_volume_sequence_number, &lines[i][31]) == -1)
goto error;
}
else if (STRPREFIX (lines[i], "Logical block size is: ")) {
if (parse_uint32 (&ret->iso_logical_block_size, &lines[i][23]) == -1)
goto error;
}
else if (STRPREFIX (lines[i], "Creation Date: ")) {
if (parse_time_t (&ret->iso_volume_creation_t, &lines[i][19]) == -1)
goto error;
}
else if (STRPREFIX (lines[i], "Modification Date: ")) {
if (parse_time_t (&ret->iso_volume_modification_t, &lines[i][19]) == -1)
goto error;
}
else if (STRPREFIX (lines[i], "Expiration Date: ")) {
if (parse_time_t (&ret->iso_volume_expiration_t, &lines[i][19]) == -1)
goto error;
}
else if (STRPREFIX (lines[i], "Effective Date: ")) {
if (parse_time_t (&ret->iso_volume_effective_t, &lines[i][19]) == -1)
goto error;
}
}
/* Any string fields which were not set above will be NULL. However
* we cannot return NULL fields in structs, so we convert these to
* empty strings here.
*/
if (ret->iso_system_id == NULL) {
ret->iso_system_id = strdup ("");
if (ret->iso_system_id == NULL) goto error;
}
if (ret->iso_volume_id == NULL) {
ret->iso_volume_id = strdup ("");
if (ret->iso_volume_id == NULL) goto error;
}
if (ret->iso_volume_set_id == NULL) {
ret->iso_volume_set_id = strdup ("");
if (ret->iso_volume_set_id == NULL) goto error;
}
if (ret->iso_publisher_id == NULL) {
ret->iso_publisher_id = strdup ("");
if (ret->iso_publisher_id == NULL) goto error;
}
if (ret->iso_data_preparer_id == NULL) {
ret->iso_data_preparer_id = strdup ("");
if (ret->iso_data_preparer_id == NULL) goto error;
}
if (ret->iso_application_id == NULL) {
ret->iso_application_id = strdup ("");
if (ret->iso_application_id == NULL) goto error;
}
if (ret->iso_copyright_file_id == NULL) {
ret->iso_copyright_file_id = strdup ("");
if (ret->iso_copyright_file_id == NULL) goto error;
}
if (ret->iso_abstract_file_id == NULL) {
ret->iso_abstract_file_id = strdup ("");
if (ret->iso_abstract_file_id == NULL) goto error;
}
if (ret->iso_bibliographic_file_id == NULL) {
ret->iso_bibliographic_file_id = strdup ("");
if (ret->iso_bibliographic_file_id == NULL) goto error;
}
return ret;
error:
free (ret->iso_system_id);
free (ret->iso_volume_id);
free (ret->iso_volume_set_id);
free (ret->iso_publisher_id);
free (ret->iso_data_preparer_id);
free (ret->iso_application_id);
free (ret->iso_copyright_file_id);
free (ret->iso_abstract_file_id);
free (ret->iso_bibliographic_file_id);
free (ret);
return NULL;
}
static guestfs_int_isoinfo *
isoinfo (const char *path)
{
char *out = NULL, *err = NULL;
int r;
char **lines = NULL;
guestfs_int_isoinfo *ret = NULL;
/* --debug is necessary to get additional fields, in particular
* the date & time fields.
*/
r = command (&out, &err, "isoinfo", "--debug", "-d", "-i", path, NULL);
if (r == -1) {
reply_with_error ("%s", err);
goto done;
}
lines = split_lines (out);
if (lines == NULL)
goto done;
ret = parse_isoinfo (lines);
if (ret == NULL)
goto done;
done:
free (out);
free (err);
if (lines)
free_strings (lines);
return ret;
}
guestfs_int_isoinfo *
do_isoinfo_device (const char *device)
{
return isoinfo (device);
}
guestfs_int_isoinfo *
do_isoinfo (const char *path)
{
char *buf;
guestfs_int_isoinfo *ret;
buf = sysroot_path (path);
if (!buf) {
reply_with_perror ("malloc");
return NULL;
}
ret = isoinfo (buf);
free (buf);
return ret;
}
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