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[])
23 setprogname(argv[0]); /* Retrofit glibc __progname */
25 fdi = fdDup(STDIN_FILENO);
27 if (strcmp(argv[1], "-h") == 0 || strcmp(argv[1], "--help") == 0) {
28 fprintf(stderr, "Usage: rpm2cpio file.rpm\n");
31 fdi = Fopen(argv[1], "r.ufdio");
35 fprintf(stderr, "%s: %s: %s\n", argv[0],
36 (argc == 1 ? "<stdin>" : argv[1]), Fstrerror(fdi));
39 fdo = fdDup(STDOUT_FILENO);
40 rpmReadConfigFiles(NULL, NULL);
42 { rpmts ts = rpmtsCreate();
43 rpmVSFlags vsflags = 0;
45 /* XXX retain the ageless behavior of rpm2cpio */
46 vsflags |= _RPMVSF_NODIGESTS;
47 vsflags |= _RPMVSF_NOSIGNATURES;
48 vsflags |= RPMVSF_NOHDRCHK;
49 (void) rpmtsSetVSFlags(ts, vsflags);
51 rc = rpmReadPackageFile(ts, fdi, "rpm2cpio", &h);
59 case RPMRC_NOTTRUSTED:
62 fprintf(stderr, _("argument is not an RPM package\n"));
67 fprintf(stderr, _("error reading header from package\n"));
72 /* Retrieve type of payload compression. */
73 { const char * payload_compressor = NULL;
76 headerGet(h, RPMTAG_PAYLOADCOMPRESSOR, &pc, HEADERGET_DEFAULT);
77 payload_compressor = rpmtdGetString(&pc);
78 if (!payload_compressor)
79 payload_compressor = "gzip";
81 if (!strcmp(payload_compressor, "gzip"))
82 rpmio_flags = "r.gzdio";
83 if (!strcmp(payload_compressor, "bzip2"))
84 rpmio_flags = "r.bzdio";
85 if (!strcmp(payload_compressor, "xz"))
86 rpmio_flags = "r.xzdio";
87 if (!strcmp(payload_compressor, "lzma"))
88 rpmio_flags = "r.lzdio";
92 gzdi = Fdopen(fdi, rpmio_flags); /* XXX gzdi == fdi */
94 fprintf(stderr, _("cannot re-open payload: %s\n"), Fstrerror(gzdi));
98 rc = ufdCopy(gzdi, fdo);
99 rc = (rc <= 0) ? EXIT_FAILURE : EXIT_SUCCESS;
102 Fclose(gzdi); /* XXX gzdi == fdi */