1 /* rpmarchive: spit out the main archive portion of a package */
4 const char *__progname;
6 #include <rpm/rpmlib.h> /* rpmReadPackageFile .. */
7 #include <rpm/rpmtag.h>
9 #include <rpm/rpmpgp.h>
11 #include <rpm/rpmts.h>
15 int main(int argc, char *argv[])
19 char * rpmio_flags = NULL;
24 setprogname(argv[0]); /* Retrofit glibc __progname */
25 rpmReadConfigFiles(NULL, NULL);
27 fdi = fdDup(STDIN_FILENO);
29 if (rstreq(argv[1], "-h") || rstreq(argv[1], "--help")) {
30 fprintf(stderr, "Usage: rpm2cpio file.rpm\n");
33 fdi = Fopen(argv[1], "r.ufdio");
37 fprintf(stderr, "%s: %s: %s\n", argv[0],
38 (argc == 1 ? "<stdin>" : argv[1]), Fstrerror(fdi));
41 fdo = fdDup(STDOUT_FILENO);
43 { rpmts ts = rpmtsCreate();
44 rpmVSFlags vsflags = 0;
46 /* XXX retain the ageless behavior of rpm2cpio */
47 vsflags |= _RPMVSF_NODIGESTS;
48 vsflags |= _RPMVSF_NOSIGNATURES;
49 vsflags |= RPMVSF_NOHDRCHK;
50 (void) rpmtsSetVSFlags(ts, vsflags);
52 rc = rpmReadPackageFile(ts, fdi, "rpm2cpio", &h);
60 case RPMRC_NOTTRUSTED:
63 fprintf(stderr, _("argument is not an RPM package\n"));
68 fprintf(stderr, _("error reading header from package\n"));
73 /* Retrieve payload size and compression type. */
74 { const char *compr = headerGetString(h, RPMTAG_PAYLOADCOMPRESSOR);
75 rpmio_flags = rstrscat(NULL, "r.", compr ? compr : "gzip", NULL);
76 payload_size = headerGetNumber(h, RPMTAG_LONGARCHIVESIZE);
79 gzdi = Fdopen(fdi, rpmio_flags); /* XXX gzdi == fdi */
83 fprintf(stderr, _("cannot re-open payload: %s\n"), Fstrerror(gzdi));
87 rc = (ufdCopy(gzdi, fdo) == payload_size) ? EXIT_SUCCESS : EXIT_FAILURE;
91 Fclose(gzdi); /* XXX gzdi == fdi */