107 lines
2.5 KiB
C
107 lines
2.5 KiB
C
/* rpmarchive: spit out the main archive portion of a package */
|
|
|
|
#include "system.h"
|
|
const char *__progname;
|
|
|
|
#include <rpm/rpmlib.h> /* rpmReadPackageFile .. */
|
|
#include <rpm/rpmtag.h>
|
|
#include <rpm/rpmio.h>
|
|
#include <rpm/rpmpgp.h>
|
|
|
|
#include <rpm/rpmts.h>
|
|
|
|
#include "debug.h"
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
FD_t fdi, fdo;
|
|
Header h;
|
|
char * rpmio_flags;
|
|
rpmRC rc;
|
|
FD_t gzdi;
|
|
|
|
setprogname(argv[0]); /* Retrofit glibc __progname */
|
|
if (argc == 1)
|
|
fdi = fdDup(STDIN_FILENO);
|
|
else {
|
|
if (strcmp(argv[1], "-h") == 0 || strcmp(argv[1], "--help") == 0) {
|
|
fprintf(stderr, "Usage: rpm2cpio file.rpm\n");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
fdi = Fopen(argv[1], "r.ufdio");
|
|
}
|
|
|
|
if (Ferror(fdi)) {
|
|
fprintf(stderr, "%s: %s: %s\n", argv[0],
|
|
(argc == 1 ? "<stdin>" : argv[1]), Fstrerror(fdi));
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
fdo = fdDup(STDOUT_FILENO);
|
|
rpmReadConfigFiles(NULL, NULL);
|
|
|
|
{ rpmts ts = rpmtsCreate();
|
|
rpmVSFlags vsflags = 0;
|
|
|
|
/* XXX retain the ageless behavior of rpm2cpio */
|
|
vsflags |= _RPMVSF_NODIGESTS;
|
|
vsflags |= _RPMVSF_NOSIGNATURES;
|
|
vsflags |= RPMVSF_NOHDRCHK;
|
|
(void) rpmtsSetVSFlags(ts, vsflags);
|
|
|
|
/* LCL: segfault */
|
|
rc = rpmReadPackageFile(ts, fdi, "rpm2cpio", &h);
|
|
|
|
ts = rpmtsFree(ts);
|
|
}
|
|
|
|
switch (rc) {
|
|
case RPMRC_OK:
|
|
case RPMRC_NOKEY:
|
|
case RPMRC_NOTTRUSTED:
|
|
break;
|
|
case RPMRC_NOTFOUND:
|
|
fprintf(stderr, _("argument is not an RPM package\n"));
|
|
exit(EXIT_FAILURE);
|
|
break;
|
|
case RPMRC_FAIL:
|
|
default:
|
|
fprintf(stderr, _("error reading header from package\n"));
|
|
exit(EXIT_FAILURE);
|
|
break;
|
|
}
|
|
|
|
/* Retrieve type of payload compression. */
|
|
{ const char * payload_compressor = NULL;
|
|
struct rpmtd_s pc;
|
|
|
|
headerGet(h, RPMTAG_PAYLOADCOMPRESSOR, &pc, HEADERGET_DEFAULT);
|
|
payload_compressor = rpmtdGetString(&pc);
|
|
if (!payload_compressor)
|
|
payload_compressor = "gzip";
|
|
|
|
if (!strcmp(payload_compressor, "gzip"))
|
|
rpmio_flags = "r.gzdio";
|
|
if (!strcmp(payload_compressor, "bzip2"))
|
|
rpmio_flags = "r.bzdio";
|
|
if (!strcmp(payload_compressor, "xz"))
|
|
rpmio_flags = "r.xzdio";
|
|
if (!strcmp(payload_compressor, "lzma"))
|
|
rpmio_flags = "r.lzdio";
|
|
rpmtdFreeData(&pc);
|
|
}
|
|
|
|
gzdi = Fdopen(fdi, rpmio_flags); /* XXX gzdi == fdi */
|
|
if (gzdi == NULL) {
|
|
fprintf(stderr, _("cannot re-open payload: %s\n"), Fstrerror(gzdi));
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
rc = ufdCopy(gzdi, fdo);
|
|
rc = (rc <= 0) ? EXIT_FAILURE : EXIT_SUCCESS;
|
|
Fclose(fdo);
|
|
|
|
Fclose(gzdi); /* XXX gzdi == fdi */
|
|
|
|
return rc;
|
|
}
|