int xmp_load_module(xmp_context opaque, char *path)
{
struct context_data *ctx = (struct context_data *)opaque;
struct module_data *m = &ctx->m;
HIO_HANDLE *h;
struct stat st;
struct list_head tmpfiles_list;
D_(D_WARN "path = %s", path);
if (stat(path, &st) < 0)
return -XMP_ERROR_SYSTEM;
#ifndef _MSC_VER
if (S_ISDIR(st.st_mode)) {
errno = EISDIR;
return -XMP_ERROR_SYSTEM;
}
#endif
if ((h = hio_open_file(path, "rb")) == NULL)
return -XMP_ERROR_SYSTEM;
INIT_LIST_HEAD(&tmpfiles_list);
D_(D_INFO "decrunch");
if (decrunch(&tmpfiles_list, &h->f, &path, DECRUNCH_MAX) < 0)
goto err_depack;
if (hio_stat(h, &st) < 0)
goto err_depack;
if (st.st_size < 256) { /* get size after decrunch */
hio_close(h);
unlink_tempfiles(&tmpfiles_list);
return -XMP_ERROR_FORMAT;
}
if (ctx->state > XMP_STATE_UNLOADED)
xmp_release_module(opaque);
m->dirname = get_dirname(path);
if (m->dirname == NULL)
return -XMP_ERROR_SYSTEM;
m->basename = get_basename(path);
if (m->basename == NULL)
return -XMP_ERROR_SYSTEM;
m->filename = path; /* For ALM, SSMT, etc */
m->size = st.st_size;
return load_module(opaque, h, &tmpfiles_list);
err_depack:
hio_close(h);
unlink_tempfiles(&tmpfiles_list);
return -XMP_ERROR_DEPACK;
}
void decrunch_backwards(int level,
struct membuf *inbuf,
struct membuf *outbuf)
{
int outpos;
reverse_buffer(membuf_get(inbuf), membuf_memlen(inbuf));
outpos = membuf_memlen(outbuf);
decrunch(level, inbuf, outbuf);
reverse_buffer(membuf_get(inbuf), membuf_memlen(inbuf));
reverse_buffer((char*)membuf_get(outbuf) + outpos,
membuf_memlen(outbuf) - outpos);
}
bool HDRLoader::load(const char *fileName, HDRLoaderResult &res)
{
int i;
char str[200];
FILE *file;
file = fopen(fileName, "rb");
if (!file)
return false;
fread(str, 10, 1, file);
if (memcmp(str, "#?RADIANCE", 10)) {
fclose(file);
return false;
}
fseek(file, 1, SEEK_CUR);
char cmd[200];
i = 0;
char c = 0, oldc;
while(true) {
oldc = c;
c = fgetc(file);
if (c == 0xa && oldc == 0xa)
break;
cmd[i++] = c;
}
char reso[200];
i = 0;
while(true) {
c = fgetc(file);
reso[i++] = c;
if (c == 0xa)
break;
}
int w, h;
if (!sscanf(reso, "-Y %ld +X %ld", &h, &w)) {
fclose(file);
return false;
}
res.width = w;
res.height = h;
float *cols = new float[w * h * 3];
res.cols = cols;
RGBE *scanline = new RGBE[w];
if (!scanline) {
fclose(file);
return false;
}
// convert image
for (int y = h - 1; y >= 0; y--) {
if (decrunch(scanline, w, file) == false)
break;
workOnRGBE(scanline, w, cols);
cols += w * 3;
}
delete [] scanline;
fclose(file);
return true;
}
static char get_char_from_msb_lsb(unsigned char msb, unsigned char lsb)
{
return decrunch((msb << 3) | lsb);
}
int xmp_load_module(xmp_context opaque, char *path)
{
struct context_data *ctx = (struct context_data *)opaque;
struct module_data *m = &ctx->m;
HIO_HANDLE *h;
struct stat st;
struct list_head tmpfiles_list;
int test_result, load_result;
int i, ret;
D_(D_WARN "path = %s", path);
if (stat(path, &st) < 0)
return -XMP_ERROR_SYSTEM;
#ifndef _MSC_VER
if (S_ISDIR(st.st_mode)) {
errno = EISDIR;
return -XMP_ERROR_SYSTEM;
}
#endif
if ((h = hio_open_file(path, "rb")) == NULL)
return -XMP_ERROR_SYSTEM;
INIT_LIST_HEAD(&tmpfiles_list);
D_(D_INFO "decrunch");
if (decrunch(&tmpfiles_list, &h->f, &path, DECRUNCH_MAX) < 0)
goto err_depack;
if (hio_stat(h, &st) < 0)
goto err_depack;
if (st.st_size < 256) { /* get size after decrunch */
hio_close(h);
unlink_tempfiles(&tmpfiles_list);
return -XMP_ERROR_FORMAT;
}
if (ctx->state > XMP_STATE_UNLOADED)
xmp_release_module(opaque);
m->dirname = get_dirname(path);
if (m->dirname == NULL)
return -XMP_ERROR_SYSTEM;
m->basename = get_basename(path);
if (m->basename == NULL)
return -XMP_ERROR_SYSTEM;
m->filename = path; /* For ALM, SSMT, etc */
m->size = st.st_size;
load_prologue(ctx);
D_(D_WARN "load");
test_result = load_result = -1;
for (i = 0; format_loader[i] != NULL; i++) {
hio_seek(h, 0, SEEK_SET);
test_result = format_loader[i]->test(h, NULL, 0);
if (test_result == 0) {
hio_seek(h, 0, SEEK_SET);
D_(D_WARN "load format: %s", format_loader[i]->name);
load_result = format_loader[i]->loader(m, h, 0);
break;
}
}
set_md5sum(h, m->md5);
hio_close(h);
unlink_tempfiles(&tmpfiles_list);
if (test_result < 0) {
free(m->basename);
free(m->dirname);
return -XMP_ERROR_FORMAT;
}
if (load_result < 0) {
xmp_release_module(opaque);
return -XMP_ERROR_LOAD;
}
str_adj(m->mod.name);
if (!*m->mod.name) {
strncpy(m->mod.name, m->basename, XMP_NAME_SIZE);
}
load_epilogue(ctx);
ret = prepare_scan(ctx);
if (ret < 0)
return ret;
scan_sequences(ctx);
ctx->state = XMP_STATE_LOADED;
return 0;
err_depack:
hio_close(h);
unlink_tempfiles(&tmpfiles_list);
return -XMP_ERROR_DEPACK;
}
static int decrunch(struct list_head *head, FILE **f, char **s, int ttl)
{
unsigned char b[1024];
char *cmd;
FILE *t;
int fd, builtin, res;
char *temp2, tmp[PATH_MAX];
struct tmpfilename *temp;
int headersize;
cmd = NULL;
builtin = res = 0;
if (get_temp_dir(tmp, PATH_MAX) < 0)
return 0;
strncat(tmp, "xmp_XXXXXX", PATH_MAX);
fseek(*f, 0, SEEK_SET);
if ((headersize = fread(b, 1, 1024, *f)) < 100) /* minimum valid file size */
return 0;
#if defined __AMIGA__ && !defined __AROS__
if (test_xfd(b, 1024)) {
builtin = BUILTIN_XFD;
} else
#endif
if (b[0] == 'P' && b[1] == 'K' &&
((b[2] == 3 && b[3] == 4) || (b[2] == '0' && b[3] == '0' &&
b[4] == 'P' && b[5] == 'K' && b[6] == 3 && b[7] == 4))) {
/* Zip */
builtin = BUILTIN_ZIP;
} else if (b[2] == '-' && b[3] == 'l' && b[4] == 'h') {
/* LHa */
builtin = BUILTIN_LHA;
} else if (b[0] == 31 && b[1] == 139) {
/* gzip */
builtin = BUILTIN_GZIP;
} else if (b[0] == 'B' && b[1] == 'Z' && b[2] == 'h') {
/* bzip2 */
builtin = BUILTIN_BZIP2;
} else if (b[0] == 0xfd && b[3] == 'X' && b[4] == 'Z' && b[5] == 0x00) {
/* xz */
builtin = BUILTIN_XZ;
#if 0
} else if (b[0] == 'Z' && b[1] == 'O' && b[2] == 'O' && b[3] == ' ') {
/* zoo */
builtin = BUILTIN_ZOO;
#endif
} else if (b[0] == 'M' && b[1] == 'O' && b[2] == '3') {
/* MO3 */
cmd = "unmo3 -s \"%s\" STDOUT";
} else if (b[0] == 31 && b[1] == 157) {
/* compress */
builtin = BUILTIN_COMPRESS;
} else if (memcmp(b, "PP20", 4) == 0) {
/* PowerPack */
builtin = BUILTIN_PP;
} else if (memcmp(b, "XPKF", 4) == 0 && memcmp(b + 8, "SQSH", 4) == 0) {
/* SQSH */
builtin = BUILTIN_SQSH;
} else if (!memcmp(b, "Archive\0", 8)) {
/* ArcFS */
builtin = BUILTIN_ARCFS;
} else if (memcmp(b, "ziRCONia", 8) == 0) {
/* MMCMP */
builtin = BUILTIN_MMCMP;
} else if (memcmp(b, "MUSE", 4) == 0 && readmem32b(b + 4) == 0xdeadbeaf) {
/* J2B MUSE */
builtin = BUILTIN_MUSE;
} else if (memcmp(b, "MUSE", 4) == 0 && readmem32b(b + 4) == 0xdeadbabe) {
/* MOD2J2B MUSE */
builtin = BUILTIN_MUSE;
} else if (memcmp(b, "LZX", 3) == 0) {
/* LZX */
builtin = BUILTIN_LZX;
} else if (memcmp(b, "Rar", 3) == 0) {
/* rar */
cmd = "unrar p -inul -xreadme -x*.diz -x*.nfo -x*.txt "
"-x*.exe -x*.com \"%s\"";
} else if (memcmp(b, "S404", 4) == 0) {
/* Stonecracker */
builtin = BUILTIN_S404;
} else if (test_oxm(*f) == 0) {
/* oggmod */
builtin = BUILTIN_OXM;
}
if (builtin == 0 && cmd == NULL && b[0] == 0x1a) {
int x = b[1] & 0x7f;
int i, flag = 0;
long size;
/* check file name */
for (i = 0; i < 13; i++) {
if (b[2 + i] == 0) {
if (i == 0) /* name can't be empty */
flag = 1;
break;
}
if (!isprint(b[2 + i])) { /* name must be printable */
flag = 1;
break;
}
}
size = readmem32l(b + 15); /* max file size is 512KB */
if (size < 0 || size > 512 * 1024)
flag = 1;
if (flag == 0) {
if (x >= 1 && x <= 9 && x != 7) {
/* Arc */
builtin = BUILTIN_ARC;
} else if (x == 0x7f) {
/* !Spark */
builtin = BUILTIN_ARC;
}
}
}
fseek(*f, 0, SEEK_SET);
if (builtin == 0 && cmd == NULL)
return 0;
#if defined ANDROID || defined __native_client__
/* Don't use external helpers in android */
if (cmd)
return 0;
#endif
D_(D_WARN "Depacking file... ");
temp = calloc(sizeof (struct tmpfilename), 1);
if (!temp) {
D_(D_CRIT "calloc failed");
return -1;
}
temp->name = strdup(tmp);
if (temp->name == NULL || (fd = mkstemp(temp->name)) < 0) {
D_(D_CRIT "failed");
return -1;
}
list_add_tail(&temp->list, head);
if ((t = fdopen(fd, "w+b")) == NULL) {
D_(D_CRIT "failed");
return -1;
}
if (cmd) {
#define BSIZE 0x4000
int n;
char line[1024], buf[BSIZE];
FILE *p;
snprintf(line, 1024, cmd, *s);
#ifdef WIN32
/* Note: The _popen function returns an invalid file opaque, if
* used in a Windows program, that will cause the program to hang
* indefinitely. _popen works properly in a Console application.
* To create a Windows application that redirects input and output,
* read the section "Creating a Child Process with Redirected Input
* and Output" in the Win32 SDK. -- Mirko
*/
if ((p = popen(line, "rb")) == NULL) {
#else
/* Linux popen fails with "rb" */
if ((p = popen(line, "r")) == NULL) {
#endif
D_(D_CRIT "failed");
fclose(t);
return -1;
}
while ((n = fread(buf, 1, BSIZE, p)) > 0)
fwrite(buf, 1, n, t);
pclose (p);
} else {
switch (builtin) {
case BUILTIN_PP:
res = decrunch_pp(*f, t);
break;
case BUILTIN_ARC:
res = decrunch_arc(*f, t);
break;
case BUILTIN_ARCFS:
res = decrunch_arcfs(*f, t);
break;
case BUILTIN_SQSH:
res = decrunch_sqsh(*f, t);
break;
case BUILTIN_MMCMP:
res = decrunch_mmcmp(*f, t);
break;
case BUILTIN_MUSE:
res = decrunch_muse(*f, t);
break;
case BUILTIN_LZX:
res = decrunch_lzx(*f, t);
break;
case BUILTIN_S404:
res = decrunch_s404(*f, t);
break;
case BUILTIN_ZIP:
res = decrunch_zip(*f, t);
break;
case BUILTIN_GZIP:
res = decrunch_gzip(*f, t);
break;
case BUILTIN_COMPRESS:
res = decrunch_compress(*f, t);
break;
case BUILTIN_BZIP2:
res = decrunch_bzip2(*f, t);
break;
case BUILTIN_XZ:
res = decrunch_xz(*f, t);
break;
case BUILTIN_LHA:
res = decrunch_lha(*f, t);
break;
#if 0
case BUILTIN_ZOO:
res = decrunch_zoo(*f, t);
break;
#endif
case BUILTIN_OXM:
res = decrunch_oxm(*f, t);
break;
#ifdef AMIGA
case BUILTIN_XFD:
res = decrunch_xfd(*f, t);
break;
#endif
}
}
if (res < 0) {
D_(D_CRIT "failed");
fclose(t);
return -1;
}
D_(D_INFO "done");
fclose(*f);
*f = t;
if (!--ttl) {
return -1;
}
temp2 = strdup(temp->name);
res = decrunch(head, f, &temp->name, ttl);
free(temp2);
/* Mirko: temp is now deallocated in unlink_tempfiles()
* not a problem, since unlink_tempfiles() is called after decrunch
* in loader routines
*
* free(temp);
*/
return res;
}
/*
* Windows doesn't allow you to unlink an open file, so we changed the
* temp file cleanup system to remove temporary files after we close it
*/
static void unlink_tempfiles(struct list_head *head)
{
struct tmpfilename *li;
struct list_head *tmp;
/* can't use list_for_each when freeing the node! */
for (tmp = head->next; tmp != head; ) {
li = list_entry(tmp, struct tmpfilename, list);
D_(D_INFO "unlink tmpfile %s", li->name);
unlink(li->name);
free(li->name);
list_del(&li->list);
tmp = tmp->next;
free(li);
}
}
int xmp_test_module(char *path, struct xmp_test_info *info)
{
HIO_HANDLE *h;
struct stat st;
char buf[XMP_NAME_SIZE];
int i;
struct list_head tmpfiles_list;
int ret = -XMP_ERROR_FORMAT;;
if (stat(path, &st) < 0)
return -XMP_ERROR_SYSTEM;
#ifndef _MSC_VER
if (S_ISDIR(st.st_mode)) {
errno = EISDIR;
return -XMP_ERROR_SYSTEM;
}
#endif
if ((h = hio_open_file(path, "rb")) == NULL)
return -XMP_ERROR_SYSTEM;
INIT_LIST_HEAD(&tmpfiles_list);
if (decrunch(&tmpfiles_list, &h->f, &path, DECRUNCH_MAX) < 0) {
ret = -XMP_ERROR_DEPACK;
goto err;
}
if (hio_stat(h, &st) < 0) {/* get size after decrunch */
ret = -XMP_ERROR_DEPACK;
goto err;
}
if (st.st_size < 256) { /* set minimum valid module size */
ret = -XMP_ERROR_FORMAT;
goto err;
}
if (info != NULL) {
*info->name = 0; /* reset name prior to testing */
*info->type = 0; /* reset type prior to testing */
}
for (i = 0; format_loader[i] != NULL; i++) {
fseek(h->f, 0, SEEK_SET);
if (format_loader[i]->test(h, buf, 0) == 0) {
int is_prowizard = 0;
if (strcmp(format_loader[i]->name, "prowizard") == 0) {
fseek(h->f, 0, SEEK_SET);
pw_test_format(h->f, buf, 0, info);
is_prowizard = 1;
}
fclose(h->f);
unlink_tempfiles(&tmpfiles_list);
if (info != NULL && !is_prowizard) {
strncpy(info->name, buf, XMP_NAME_SIZE);
strncpy(info->type, format_loader[i]->name,
XMP_NAME_SIZE);
}
return 0;
}
}
err:
hio_close(h);
unlink_tempfiles(&tmpfiles_list);
return ret;
}
bool HDRLoader::load(const char *_fileName, const bool _rawRGBE, HDRLoaderResult &_res)
{
int i;
char str[200];
FILE *file;
file = osgDB::fopen(_fileName, "rb");
if (!file)
return false;
size_t numRead = fread(str, 10, 1, file);
if (numRead < 1)
{
fclose(file);
return false;
}
if (memcmp(str, "#?RADIANCE", 10))
{
fseek(file, 0, SEEK_SET);
numRead = fread(str, 6, 1, file);
if (numRead < 1 || memcmp(str, "#?RGBE", 6))
{
fclose(file);
return false;
}
}
fseek(file, 1, SEEK_CUR);
// char cmd[2000];
i = 0;
char c = 0, oldc;
while (true)
{
oldc = c;
c = fgetc(file);
if (c == 0xa && oldc == 0xa)
break;
// cmd[i++] = c;
}
char reso[2000];
i = 0;
while (true)
{
c = fgetc(file);
reso[i++] = c;
if (c == 0xa)
break;
}
int w, h;
if (!sscanf(reso, "-Y %d +X %d", &h, &w))
{
fclose(file);
return false;
}
_res.width = w;
_res.height = h;
int components = _rawRGBE ? 4 : 3;
float *cols = new float[w * h * components];
_res.cols = cols;
RGBE *scanline = new RGBE[w];
if (!scanline)
{
fclose(file);
return false;
}
// convert image
cols += (h - 1) * w * components;
for (int y = h - 1; y >= 0; y--)
{
if (decrunch(scanline, w, file) == false)
break;
if (_rawRGBE)
rawRGBEData(scanline, w, cols);
else
workOnRGBE(scanline, w, cols);
cols -= w * components;
}
delete[] scanline;
fclose(file);
return true;
}
int xmp_load_module(xmp_context opaque, char *path)
{
struct context_data *ctx = (struct context_data *)opaque;
#ifndef LIBXMP_CORE_PLAYER
struct module_data *m = &ctx->m;
long size;
char *temp_name;
#endif
HIO_HANDLE *h;
struct stat st;
int ret;
D_(D_WARN "path = %s", path);
/*
if (stat(path, &st) < 0)
return -XMP_ERROR_SYSTEM;
*/
#ifndef _MSC_VER
if (S_ISDIR(st.st_mode)) {
errno = EISDIR;
return -XMP_ERROR_SYSTEM;
}
#endif
if ((h = hio_open(path, "rb")) == NULL)
return -XMP_ERROR_SYSTEM;
#ifndef LIBXMP_CORE_PLAYER
D_(D_INFO "decrunch");
if (decrunch(&h, path, &temp_name) < 0)
goto err_depack;
size = hio_size(h);
if (size < 256) { /* get size after decrunch */
hio_close(h);
unlink_temp_file(temp_name);
return -XMP_ERROR_FORMAT;
}
#endif
if (ctx->state > XMP_STATE_UNLOADED)
xmp_release_module(opaque);
#ifndef LIBXMP_CORE_PLAYER
m->dirname = get_dirname(path);
if (m->dirname == NULL)
return -XMP_ERROR_SYSTEM;
m->basename = get_basename(path);
if (m->basename == NULL)
return -XMP_ERROR_SYSTEM;
m->filename = path; /* For ALM, SSMT, etc */
m->size = size;
#endif
ret = load_module(opaque, h);
hio_close(h);
#ifndef LIBXMP_CORE_PLAYER
unlink_temp_file(temp_name);
#endif
return ret;
#ifndef LIBXMP_CORE_PLAYER
err_depack:
hio_close(h);
unlink_temp_file(temp_name);
return -XMP_ERROR_DEPACK;
#endif
}
int xmp_test_module(char *path, struct xmp_test_info *info)
{
HIO_HANDLE *h;
struct stat st;
char buf[XMP_NAME_SIZE];
int i;
int ret = -XMP_ERROR_FORMAT;
#ifndef LIBXMP_CORE_PLAYER
char *temp = NULL;
#endif
if (stat(path, &st) < 0)
return -XMP_ERROR_SYSTEM;
#ifndef _MSC_VER
if (S_ISDIR(st.st_mode)) {
errno = EISDIR;
return -XMP_ERROR_SYSTEM;
}
#endif
if ((h = hio_open(path, "rb")) == NULL)
return -XMP_ERROR_SYSTEM;
#ifndef LIBXMP_CORE_PLAYER
if (decrunch(&h, path, &temp) < 0) {
ret = -XMP_ERROR_DEPACK;
goto err;
}
/* get size after decrunch */
if (hio_size(h) < 256) { /* set minimum valid module size */
ret = -XMP_ERROR_FORMAT;
goto err;
}
#endif
if (info != NULL) {
*info->name = 0; /* reset name prior to testing */
*info->type = 0; /* reset type prior to testing */
}
for (i = 0; format_loader[i] != NULL; i++) {
hio_seek(h, 0, SEEK_SET);
if (format_loader[i]->test(h, buf, 0) == 0) {
int is_prowizard = 0;
#ifndef LIBXMP_CORE_PLAYER
if (strcmp(format_loader[i]->name, "prowizard") == 0) {
hio_seek(h, 0, SEEK_SET);
pw_test_format(h, buf, 0, info);
is_prowizard = 1;
}
#endif
fclose(h->handle.file);
#ifndef LIBXMP_CORE_PLAYER
unlink_temp_file(temp);
#endif
if (info != NULL && !is_prowizard) {
strncpy(info->name, buf, XMP_NAME_SIZE);
strncpy(info->type, format_loader[i]->name,
XMP_NAME_SIZE);
}
return 0;
}
}
#ifndef LIBXMP_CORE_PLAYER
err:
hio_close(h);
unlink_temp_file(temp);
#else
hio_close(h);
#endif
return ret;
}
