int main(int argc, char *argv[]) { FD_t fdi, fdo; Header h; char * rpmio_flags = NULL; rpmRC rc; FD_t gzdi; setprogname(argv[0]); /* Retrofit glibc __progname */ rpmReadConfigFiles(NULL, NULL); if (argc == 1) fdi = fdDup(STDIN_FILENO); else { if (rstreq(argv[1], "-h") || rstreq(argv[1], "--help")) { 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); { 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); 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 *compr = headerGetString(h, RPMTAG_PAYLOADCOMPRESSOR); rpmio_flags = rstrscat(NULL, "r.", compr ? compr : "gzip", NULL); } gzdi = Fdopen(fdi, rpmio_flags); /* XXX gzdi == fdi */ free(rpmio_flags); 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; }
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 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, "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; }