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/******************************************************************************
*
* Project: GDAL Utilities
* Purpose: Command line application to list info about a file.
* Author: Frank Warmerdam, warmerdam@pobox.com
*
* ****************************************************************************
* Copyright (c) 1998, Frank Warmerdam
* Copyright (c) 2007-2015, Even Rouault <even.rouault at spatialys.com>
*
* SPDX-License-Identifier: MIT
****************************************************************************/
#include "gdal_version.h"
#include "gdal.h"
#include "cpl_string.h"
#include "cpl_multiproc.h"
#include "cpl_vsi_virtual.h"
#include "commonutils.h"
#include "gdal_utils_priv.h"
/************************************************************************/
/* GDALExit() */
/* This function exits and cleans up GDAL and OGR resources */
/* Perhaps it should be added to C api and used in all apps? */
/************************************************************************/
static int GDALExit(int nCode)
{
const char *pszDebug = CPLGetConfigOption("CPL_DEBUG", nullptr);
if (pszDebug && (EQUAL(pszDebug, "ON") || EQUAL(pszDebug, "")))
{
GDALDumpOpenDatasets(stderr);
CPLDumpSharedList(nullptr);
}
GDALDestroyDriverManager();
OGRCleanupAll();
exit(nCode);
}
/************************************************************************/
/* Usage() */
/************************************************************************/
static void Usage()
{
fprintf(stderr, "%s\n", GDALInfoAppGetParserUsage().c_str());
GDALExit(1);
}
/************************************************************************/
/* main() */
/************************************************************************/
MAIN_START(argc, argv)
{
EarlySetConfigOptions(argc, argv);
/* -------------------------------------------------------------------- */
/* Register standard GDAL drivers, and process generic GDAL */
/* command options. */
/* -------------------------------------------------------------------- */
GDALAllRegister();
argc = GDALGeneralCmdLineProcessor(argc, &argv, 0);
if (argc < 1)
GDALExit(-argc);
/* -------------------------------------------------------------------- */
/* Parse command line */
/* -------------------------------------------------------------------- */
GDALInfoOptionsForBinary sOptionsForBinary;
if (CSLFindString(argv, "-stdout") < 0)
{
argv = CSLAddString(argv, "-stdout");
}
std::unique_ptr<GDALInfoOptions, decltype(&GDALInfoOptionsFree)> psOptions{
GDALInfoOptionsNew(argv + 1, &sOptionsForBinary), GDALInfoOptionsFree};
CSLDestroy(argv);
if (!psOptions)
{
Usage();
}
/* -------------------------------------------------------------------- */
/* Open dataset. */
/* -------------------------------------------------------------------- */
#ifdef __AFL_HAVE_MANUAL_CONTROL
int iIter = 0;
while (__AFL_LOOP(1000))
{
iIter++;
#endif
GDALDatasetH hDataset = GDALOpenEx(
sOptionsForBinary.osFilename.c_str(),
GDAL_OF_READONLY | GDAL_OF_RASTER | GDAL_OF_VERBOSE_ERROR,
sOptionsForBinary.aosAllowedInputDrivers,
sOptionsForBinary.aosOpenOptions, nullptr);
if (hDataset == nullptr)
{
#ifdef __AFL_HAVE_MANUAL_CONTROL
continue;
#else
VSIStatBuf sStat;
CPLString message;
message.Printf("gdalinfo failed - unable to open '%s'.",
sOptionsForBinary.osFilename.c_str());
if (VSIStat(sOptionsForBinary.osFilename.c_str(), &sStat) == 0)
{
GDALDriverH drv =
GDALIdentifyDriverEx(sOptionsForBinary.osFilename.c_str(),
GDAL_OF_VECTOR, nullptr, nullptr);
if (drv)
{
message += " Did you intend to call ogrinfo?";
}
}
fprintf(stderr, "%s\n", message.c_str());
/* --------------------------------------------------------------------
*/
/* If argument is a VSIFILE, then print its contents */
/* --------------------------------------------------------------------
*/
if (VSIFileManager::GetHandler(sOptionsForBinary.osFilename.c_str())
->IsArchive(sOptionsForBinary.osFilename.c_str()))
{
const char *const apszOptions[] = {"NAME_AND_TYPE_ONLY=YES",
nullptr};
VSIDIR *psDir = VSIOpenDir(sOptionsForBinary.osFilename.c_str(), -1,
apszOptions);
if (psDir)
{
fprintf(stdout,
"Unable to open source `%s' directly.\n"
"The archive contains several files:\n",
sOptionsForBinary.osFilename.c_str());
int nCount = 0;
while (auto psEntry = VSIGetNextDirEntry(psDir))
{
if (VSI_ISDIR(psEntry->nMode) && psEntry->pszName[0] &&
psEntry->pszName[strlen(psEntry->pszName) - 1] != '/')
{
fprintf(stdout, " %s/%s/\n",
sOptionsForBinary.osFilename.c_str(),
psEntry->pszName);
}
else
{
fprintf(stdout, " %s/%s\n",
sOptionsForBinary.osFilename.c_str(),
psEntry->pszName);
}
nCount++;
if (nCount == 100)
{
fprintf(stdout, "[...trimmed...]\n");
break;
}
}
VSICloseDir(psDir);
}
}
GDALDumpOpenDatasets(stderr);
GDALDestroyDriverManager();
CPLDumpSharedList(nullptr);
exit(1);
#endif
}
/* --------------------------------------------------------------------
*/
/* Read specified subdataset if requested. */
/* --------------------------------------------------------------------
*/
if (sOptionsForBinary.nSubdataset > 0)
{
char **papszSubdatasets = GDALGetMetadata(hDataset, "SUBDATASETS");
const int nSubdatasets = CSLCount(papszSubdatasets) / 2;
if (nSubdatasets > 0 &&
sOptionsForBinary.nSubdataset <= nSubdatasets)
{
char szKeyName[1024];
char *pszSubdatasetName;
snprintf(szKeyName, sizeof(szKeyName), "SUBDATASET_%d_NAME",
sOptionsForBinary.nSubdataset);
szKeyName[sizeof(szKeyName) - 1] = '\0';
pszSubdatasetName =
CPLStrdup(CSLFetchNameValue(papszSubdatasets, szKeyName));
GDALClose(hDataset);
hDataset = GDALOpen(pszSubdatasetName, GA_ReadOnly);
CPLFree(pszSubdatasetName);
}
else
{
fprintf(stderr,
"gdalinfo warning: subdataset %d of %d requested. "
"Reading the main dataset.\n",
sOptionsForBinary.nSubdataset, nSubdatasets);
}
}
char *pszGDALInfoOutput = GDALInfo(hDataset, psOptions.get());
if (pszGDALInfoOutput)
printf("%s", pszGDALInfoOutput);
CPLFree(pszGDALInfoOutput);
GDALClose(hDataset);
#ifdef __AFL_HAVE_MANUAL_CONTROL
}
#endif
GDALDumpOpenDatasets(stderr);
GDALDestroyDriverManager();
CPLDumpSharedList(nullptr);
GDALDestroy();
exit(0);
}
MAIN_END
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