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#include "system.h"
#include <rpmbuild.h>
#include <argv.h>
#include <rpmfc.h>
#if HAVE_LIBELF_GELF_H
#include <libelf/gelf.h>
#if !defined(DT_GNU_PRELINKED)
#define DT_GNU_PRELINKED 0x6ffffdf5
#endif
#if !defined(DT_GNU_LIBLIST)
#define DT_GNU_LIBLIST 0x6ffffef9
#endif
#endif
#include "debug.h"
static int rpmfcELF(rpmfc fc)
{
#if HAVE_LIBELF_GELF_H && HAVE_LIBELF
const char * fn = fc->fn[fc->ix];;
Elf *elf = NULL;
Elf_Scn *scn = NULL;
Elf_Data *data = NULL;
GElf_Ehdr ehdr;
GElf_Shdr shdr;
GElf_Dyn dyn;
int bingo;
int fdno;
size_t ndxscn[16];
const char * sn;
memset(ndxscn, 0, sizeof(ndxscn));
fprintf(stderr, "*** %s\n", fn);
fdno = open(fn, O_RDONLY);
if (fdno < 0)
return fdno;
(void) elf_version(EV_CURRENT);
if ((elf = elf_begin (fdno, ELF_C_READ, NULL)) == NULL
|| elf_kind(elf) != ELF_K_ELF
|| gelf_getehdr(elf, &ehdr) == NULL
|| !(ehdr.e_type == ET_DYN || ehdr.e_type == ET_EXEC))
goto exit;
bingo = 0;
/*@-branchstate -uniondef @*/
while (!bingo && (scn = elf_nextscn(elf, scn)) != NULL) {
(void) gelf_getshdr(scn, &shdr);
fprintf(stderr, "\tsection %s\n", elf_strptr(elf, ehdr.e_shstrndx, shdr.sh_name));
if (shdr.sh_type >= 0 && shdr.sh_type < 16)
ndxscn[shdr.sh_type] = elf_ndxscn(scn);
switch (shdr.sh_type) {
default:
continue;
/*@switchbreak@*/ break;
case SHT_GNU_verneed:
/*@switchbreak@*/ break;
case SHT_DYNAMIC:
while (!bingo && (data = elf_getdata (scn, data)) != NULL) {
int maxndx = data->d_size / shdr.sh_entsize;
int ndx;
for (ndx = 0; ndx < maxndx; ++ndx) {
(void) gelf_getdyn (data, ndx, &dyn);
switch (dyn.d_tag) {
default:
/*@innercontinue@*/ continue;
/*@notreached@*/ break;
case DT_NEEDED:
sn = elf_strptr(elf, ndxscn[SHT_STRTAB], dyn.d_un.d_val);
fprintf(stderr, "\t\tneeded %s\n", sn);
/*@switchbreak@*/ break;
}
}
}
/*@switchbreak@*/ break;
}
}
/*@=branchstate =uniondef @*/
exit:
if (elf) (void) elf_end(elf);
return 0;
#else
return -1;
#endif
}
static struct poptOption optionsTable[] = {
{ NULL, '\0', POPT_ARG_INCLUDE_TABLE, rpmcliAllPoptTable, 0,
N_("Common options for all rpm modes and executables:"),
NULL },
POPT_AUTOALIAS
POPT_AUTOHELP
POPT_TABLEEND
};
int
main(int argc, char *const argv[])
{
poptContext optCon;
StringBuf sb;
ARGV_t pav;
int pac = 0;
ARGV_t xav;
ARGV_t av = NULL;
rpmfc fc;
int ac = 0;
const char * s;
int ec = 1;
int xx;
int fcolor;
optCon = rpmcliInit(argc, argv, optionsTable);
if (optCon == NULL)
goto exit;
av = poptGetArgs(optCon);
ac = argvCount(av);
/* Find path to file(1). */
s = rpmExpand("%{?__file}", NULL);
if (!(s && *s))
goto exit;
/* Build argv, merging tokens from expansion with CLI args. */
xx = poptParseArgvString(s, &pac, (const char ***)&pav);
if (!(xx == 0 && pac > 0 && pav != NULL))
goto exit;
xav = NULL;
xx = argvAppend(&xav, pav);
xx = argvAppend(&xav, av);
pav = _free(pav); /* XXX popt mallocs in single blob. */
s = _free(s);
/* Read file(1) output. */
sb = getOutputFrom(NULL, xav, NULL, 0, 1);
xav = argvFree(xav);
xx = argvSplit(&xav, getStringBuf(sb), "\n");
sb = freeStringBuf(sb);
xx = argvSort(xav, argvCmp);
fc = NULL;
xx = rpmfcClassify(&fc, xav);
for (fc->ix = 0; fc->fn[fc->ix] != NULL; fc->ix++) {
fcolor = fc->fcolor->vals[fc->ix];
if (fcolor & RPMFC_ELF) {
xx = rpmfcELF(fc);
continue;
}
}
fc = rpmfcFree(fc);
xav = argvFree(xav);
exit:
optCon = rpmcliFini(optCon);
return ec;
}
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