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/***************************************************************/
/* perk: PE Resource Kit */
/* Copyright (C) 2015--2021 Z. Gilboa */
/* Released under GPLv2 and GPLv3; see COPYING.PERK. */
/***************************************************************/
#include <stdio.h>
#include <unistd.h>
#include <perk/perk.h>
#include <perk/perk_output.h>
#include "perk_driver_impl.h"
#include "perk_dprintf_impl.h"
#ifndef PERK_DRIVER_FLAGS
#define PERK_DRIVER_FLAGS PERK_DRIVER_VERBOSITY_ERRORS \
| PERK_DRIVER_VERBOSITY_USAGE
#endif
static const char vermsg[] = "%s%s%s (git://midipix.org/perk): "
"version %s%d.%d.%d%s.\n"
"[commit reference: %s%s%s]\n";
static const char * const pe_ver_color[6] = {
"\x1b[1m\x1b[35m","\x1b[0m",
"\x1b[1m\x1b[32m","\x1b[0m",
"\x1b[1m\x1b[34m","\x1b[0m"
};
static const char * const pe_ver_plain[6] = {
"","",
"","",
"",""
};
static ssize_t pe_version(struct pe_driver_ctx * dctx, int fdout)
{
const struct pe_source_version * verinfo;
const char * const * verclr;
verinfo = pe_source_version();
verclr = isatty(fdout) ? pe_ver_color : pe_ver_plain;
return pe_dprintf(
fdout,vermsg,
verclr[0],dctx->program,verclr[1],
verclr[2],verinfo->major,verinfo->minor,
verinfo->revision,verclr[3],
verclr[4],verinfo->commit,verclr[5]);
}
static void pe_perform_hdrdump_actions(
const struct pe_driver_ctx * dctx,
struct pe_unit_ctx * uctx)
{
if (dctx->cctx->hdrdump & PERK_HDRDUMP_IMAGE_DOS_HEADER)
pe_hdrdump_image_dos_hdr(dctx,uctx->meta);
if (dctx->cctx->hdrdump & PERK_HDRDUMP_COFF_IMAGE_HEADER)
pe_hdrdump_coff_image_hdr(dctx,uctx->meta);
if (dctx->cctx->hdrdump & PERK_HDRDUMP_COFF_OBJECT_HEADER)
pe_hdrdump_coff_object_hdr(dctx,uctx->meta);
if (dctx->cctx->hdrdump & PERK_HDRDUMP_COFF_OPT_HEADER)
pe_hdrdump_coff_opt_hdr(dctx,uctx->meta);
if (dctx->cctx->hdrdump & PERK_HDRDUMP_SECTION_TABLE)
pe_hdrdump_sec_tbl(dctx,uctx->meta);
if (dctx->cctx->hdrdump & PERK_HDRDUMP_EXPORT_HEADER)
pe_hdrdump_export_hdr(dctx,uctx->meta);
if (dctx->cctx->hdrdump & PERK_HDRDUMP_IMPORT_TABLE)
pe_hdrdump_import_tbl(dctx,uctx->meta);
}
static void pe_perform_unit_actions(
const struct pe_driver_ctx * dctx,
struct pe_unit_ctx * uctx)
{
uint64_t flags = dctx->cctx->fmtflags;
if (flags & PERK_OUTPUT_IMAGE_CATEGORY)
pe_output_image_category(dctx,uctx->meta);
if (flags & PERK_OUTPUT_IMAGE_SECTIONS)
pe_output_image_sections(dctx,uctx->meta);
if (flags & PERK_OUTPUT_IMAGE_SYMBOLS)
pe_output_image_symbols(dctx,uctx->meta);
if (flags & PERK_OUTPUT_IMAGE_STRINGS)
pe_output_image_strings(dctx,uctx->meta);
if (flags & PERK_OUTPUT_EXPORT_SYMS)
pe_output_export_symbols(dctx,uctx->meta);
if ((flags & PERK_OUTPUT_IMPORT_LIBS) || (flags & PERK_OUTPUT_IMPORT_SYMS))
pe_output_import_libraries(dctx,uctx->meta);
if ((flags & PERK_OUTPUT_MDSO_LIBS) || (flags & PERK_OUTPUT_MDSO_SYMS))
pe_output_mdso_libraries(dctx,uctx->meta);
if (dctx->cctx->hdrdump)
pe_perform_hdrdump_actions(dctx,uctx);
}
static int pe_exit(struct pe_driver_ctx * dctx, int ret)
{
pe_output_error_vector(dctx);
pe_free_driver_ctx(dctx);
return ret;
}
int pe_main(char ** argv, char ** envp, const struct pe_fd_ctx * fdctx)
{
int ret;
int fdout;
uint64_t flags;
struct pe_driver_ctx * dctx;
struct pe_unit_ctx * uctx;
const char ** unit;
flags = PERK_DRIVER_FLAGS;
fdout = fdctx ? fdctx->fdout : STDOUT_FILENO;
if ((ret = pe_get_driver_ctx(argv,envp,flags,fdctx,&dctx)))
return (ret == PERK_USAGE)
? !argv || !argv[0] || !argv[1]
: PERK_ERROR;
if (dctx->cctx->drvflags & PERK_DRIVER_VERSION)
if ((pe_version(dctx,fdout)) < 0)
return pe_exit(dctx,PERK_ERROR);
for (unit=dctx->units; *unit; unit++) {
if (!(pe_get_unit_ctx(dctx,*unit,&uctx))) {
pe_perform_unit_actions(dctx,uctx);
pe_free_unit_ctx(uctx);
}
}
return pe_exit(dctx,dctx->errv[0] ? PERK_ERROR : PERK_OK);
}
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