static int getNEVRA(Header h, rpmtd td, nevraFlags flags)
{
const char *val = NULL;
char *res = NULL;
if ((flags & NEVRA_NAME)) {
val = headerGetString(h, RPMTAG_NAME);
if (val) rstrscat(&res, val, "-", NULL);
}
if ((flags & NEVRA_EPOCH)) {
char *e = headerGetAsString(h, RPMTAG_EPOCH);
if (e) rstrscat(&res, e, ":", NULL);
free(e);
}
if ((flags & NEVRA_VERSION)) {
val = headerGetString(h, RPMTAG_VERSION);
if (val) rstrscat(&res, val, "-", NULL);
}
if ((flags & NEVRA_RELEASE)) {
val = headerGetString(h, RPMTAG_RELEASE);
if (val) rstrscat(&res, val, NULL);
}
if ((flags & NEVRA_ARCH)) {
val = headerGetString(h, RPMTAG_ARCH);
if (headerIsSource(h) && val == NULL) val = "src";
if (val) rstrscat(&res, ".", val, NULL);
}
td->type = RPM_STRING_TYPE;
td->data = res;
td->count = 1;
td->flags = RPMTD_ALLOCED;
return 1;
}
/**
* Wrap tag data in simple header xml markup.
* @param td tag data container
* @return formatted string
*/
static char * xmlFormat(rpmtd td)
{
const char *xtag = NULL;
char *val = NULL;
char *s = NULL;
rpmtdFormats fmt = RPMTD_FORMAT_STRING;
switch (rpmtdClass(td)) {
case RPM_STRING_CLASS:
xtag = "string";
break;
case RPM_BINARY_CLASS:
fmt = RPMTD_FORMAT_BASE64;
xtag = "base64";
break;
case RPM_NUMERIC_CLASS:
xtag = "integer";
break;
case RPM_NULL_TYPE:
default:
return xstrdup(_("(invalid xml type)"));
break;
}
/* XXX TODO: handle errors */
s = rpmtdFormat(td, fmt, NULL);
if (s[0] == '\0') {
val = rstrscat(NULL, "\t<", xtag, "/>", NULL);
} else {
char *new_s = NULL;
size_t i, s_size = strlen(s);
for (i=0; i<s_size; i++) {
switch (s[i]) {
case '<': rstrcat(&new_s, "<"); break;
case '>': rstrcat(&new_s, ">"); break;
case '&': rstrcat(&new_s, "&"); break;
default: {
char c[2] = " ";
*c = s[i];
rstrcat(&new_s, c);
break;
}
}
}
val = rstrscat(NULL, "\t<", xtag, ">", new_s, "</", xtag, ">", NULL);
free(new_s);
}
free(s);
return val;
}
/*
* Attempt to generate libmagic-style file class if missing from header:
* we can easily generate this for symlinks and other special types.
* Always return malloced strings to simplify life in fileclassTag().
*/
static char *makeFClass(rpmfi fi)
{
char *fclass = NULL;
const char *hc = rpmfiFClass(fi);
if (hc != NULL && hc[0] != '\0') {
fclass = xstrdup(hc);
} else {
switch (rpmfiFMode(fi) & S_IFMT) {
case S_IFBLK:
fclass = xstrdup("block special");
break;
case S_IFCHR:
fclass = xstrdup("character special");
break;
case S_IFDIR:
fclass = xstrdup("directory");
break;
case S_IFIFO:
fclass = xstrdup("fifo (named pipe)");
break;
case S_IFSOCK:
fclass = xstrdup("socket");
break;
case S_IFLNK:
fclass = rstrscat(NULL, "symbolic link to `",
rpmfiFLink(fi), "'", NULL);
break;
}
}
return (fclass != NULL) ? fclass : xstrdup("");
}
/*
* Try to acquire db environment open/close serialization lock.
* Return the open, locked fd on success, -1 on failure.
*/
static int serialize_env(const char *dbhome)
{
char *lock_path = rstrscat(NULL, dbhome, "/.dbenv.lock", NULL);
mode_t oldmask = umask(022);
int fd = open(lock_path, (O_RDWR|O_CREAT), 0644);
umask(oldmask);
if (fd >= 0) {
int rc;
struct flock info;
memset(&info, 0, sizeof(info));
info.l_type = F_WRLCK;
info.l_whence = SEEK_SET;
do {
rc = fcntl(fd, F_SETLKW, &info);
} while (rc == -1 && errno == EINTR);
if (rc == -1) {
close(fd);
fd = -1;
}
}
free(lock_path);
return fd;
}
const char * Fdescr(FD_t fd)
{
if (fd == NULL)
return _("[none]");
/* Lazy lookup if description is not set (eg dupped fd) */
if (fd->descr == NULL) {
int fdno = fd->fps->fdno;
#if defined(__linux__)
/* Grab the path from /proc if we can */
char *procpath = NULL;
char buf[PATH_MAX];
ssize_t llen;
rasprintf(&procpath, "/proc/self/fd/%d", fdno);
llen = readlink(procpath, buf, sizeof(buf)-1);
free(procpath);
if (llen >= 1) {
buf[llen] = '\0';
/* Real paths in /proc are always absolute */
if (buf[0] == '/')
fd->descr = xstrdup(buf);
else
fd->descr = rstrscat(NULL, "[", buf, "]", NULL);
}
#endif
/* Still no description, base it on fdno which is always there */
if (fd->descr == NULL)
rasprintf(&(fd->descr), "[fd %d]", fdno);
}
return fd->descr;
}
static rpmPlugin rpmPluginNew(const char *name, const char *path,
const char *opts)
{
rpmPlugin plugin = NULL;
rpmPluginHooks hooks = NULL;
char *error;
char *hooks_name = NULL;
void *handle = dlopen(path, RTLD_LAZY);
if (!handle) {
rpmlog(RPMLOG_ERR, _("Failed to dlopen %s %s\n"), path, dlerror());
return NULL;
}
/* make sure the plugin has the supported hooks flag */
hooks_name = rstrscat(NULL, name, "_hooks", NULL);
hooks = dlsym(handle, hooks_name);
if ((error = dlerror()) != NULL) {
rpmlog(RPMLOG_ERR, _("Failed to resolve symbol %s: %s\n"),
hooks_name, error);
} else {
plugin = xcalloc(1, sizeof(*plugin));
plugin->name = xstrdup(name);
plugin->handle = handle;
plugin->hooks = hooks;
if (opts)
plugin->opts = xstrdup(opts);
}
free(hooks_name);
return plugin;
}
char * rpmfiFNIndex(rpmfi fi, int ix)
{
char *fn = NULL;
if (fi != NULL && ix >= 0 && ix < fi->fc) {
fn = rstrscat(NULL, fi->dnl[fi->dil[ix]], fi->bnl[ix], NULL);
}
return fn;
}
char * rpmfiFNIndex(rpmfi fi, int ix)
{
char *fn = NULL;
if (fi != NULL && ix >= 0 && ix < fi->fc) {
fn = rstrscat(NULL, rpmstrPoolStr(fi->pool, fi->dnid[fi->dil[ix]]),
rpmstrPoolStr(fi->pool, fi->bnid[ix]), NULL);
}
return fn;
}
static int rpmfd_init(rpmfdObject *s, PyObject *args, PyObject *kwds)
{
char *kwlist[] = { "obj", "mode", "flags", NULL };
const char *mode = "r";
const char *flags = "ufdio";
char *rpmio_mode = NULL;
PyObject *fo = NULL;
FD_t fd = NULL;
int fdno;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "O|ss", kwlist,
&fo, &mode, &flags))
return -1;
rpmio_mode = rstrscat(NULL, mode, ".", flags, NULL);
if (PyBytes_Check(fo)) {
fd = openPath(PyBytes_AsString(fo), rpmio_mode);
} else if (PyUnicode_Check(fo)) {
PyObject *enc = NULL;
int rc;
#if PY_MAJOR_VERSION >= 3
rc = PyUnicode_FSConverter(fo, &enc);
#else
rc = utf8FromPyObject(fo, &enc);
#endif
if (rc) {
fd = openPath(PyBytes_AsString(enc), rpmio_mode);
Py_DECREF(enc);
}
} else if (rpmfdObject_Check(fo)) {
rpmfdObject *fdo = (rpmfdObject *)fo;
fd = openFd(fdDup(Fileno(fdo->fd)), rpmio_mode);
} else if ((fdno = PyObject_AsFileDescriptor(fo)) >= 0) {
fd = openFd(fdDup(fdno), rpmio_mode);
} else {
PyErr_SetString(PyExc_TypeError, "path or file object expected");
}
if (fd != NULL) {
Fclose(s->fd); /* in case __init__ was called again */
free(s->mode);
free(s->flags);
s->fd = fd;
s->mode = rstrdup(mode);
s->flags = rstrdup(flags);
} else {
PyErr_SetString(PyExc_IOError, Fstrerror(fd));
}
free(rpmio_mode);
return (fd == NULL) ? -1 : 0;
}
static void
dbDetectBackend(rpmdb rdb)
{
#ifdef ENABLE_NDB
const char *dbhome = rpmdbHome(rdb);
char *path = rstrscat(NULL, dbhome, "/Packages", NULL);
rdb->db_ops = &ndb_dbops;
if (access(path, F_OK) == 0)
rdb->db_ops = &db3_dbops;
free(path);
#else
rdb->db_ops = &db3_dbops;
#endif
}
/**
* Generate GPG signature(s) for a header+payload file.
* @param sigh signature header
* @param ishdr header-only signature?
* @param sigt signature target
* @param passPhrase private key pass phrase
* @return generated sigtag on success, 0 on failure
*/
static rpmtd makeGPGSignature(Header sigh, int ishdr, sigTarget sigt)
{
char * sigfile = rstrscat(NULL, sigt->fileName, ".sig", NULL);
struct stat st;
uint8_t * pkt = NULL;
size_t pktlen = 0;
rpmtd sigtd = NULL;
if (runGPG(sigt, sigfile))
goto exit;
if (stat(sigfile, &st)) {
/* GPG failed to write signature */
rpmlog(RPMLOG_ERR, _("gpg failed to write signature\n"));
goto exit;
}
pktlen = st.st_size;
rpmlog(RPMLOG_DEBUG, "GPG sig size: %zd\n", pktlen);
pkt = xmalloc(pktlen);
{ FD_t fd;
int rc = 0;
fd = Fopen(sigfile, "r.ufdio");
if (fd != NULL && !Ferror(fd)) {
rc = Fread(pkt, sizeof(*pkt), pktlen, fd);
(void) Fclose(fd);
}
if (rc != pktlen) {
rpmlog(RPMLOG_ERR, _("unable to read the signature\n"));
goto exit;
}
}
rpmlog(RPMLOG_DEBUG, "Got %zd bytes of GPG sig\n", pktlen);
/* Parse the signature, change signature tag as appropriate. */
sigtd = makeSigTag(sigh, ishdr, pkt, pktlen);
exit:
(void) unlink(sigfile);
free(sigfile);
free(pkt);
return sigtd;
}
static void fill_archive_entry(struct archive * a, struct archive_entry * entry, rpmfi fi)
{
archive_entry_clear(entry);
char * filename = rstrscat(NULL, ".", rpmfiDN(fi), rpmfiBN(fi), NULL);
archive_entry_copy_pathname(entry, filename);
_free(filename);
archive_entry_set_size(entry, rpmfiFSize(fi));
rpm_mode_t mode = rpmfiFMode(fi);
archive_entry_set_filetype(entry, mode & S_IFMT);
archive_entry_set_perm(entry, mode);
archive_entry_set_uname(entry, rpmfiFUser(fi));
archive_entry_set_gname(entry, rpmfiFGroup(fi));
archive_entry_set_rdev(entry, rpmfiFRdev(fi));
archive_entry_set_mtime(entry, rpmfiFMtime(fi), 0);
if (S_ISLNK(mode))
archive_entry_set_symlink(entry, rpmfiFLink(fi));
}
static int fsmRename(const char *opath, const char *path)
{
removeSBITS(path);
int rc = rename(opath, path);
#if defined(ETXTBSY) && defined(__HPUX__)
/* XXX HP-UX (and other os'es) don't permit rename to busy files. */
if (rc && errno == ETXTBSY) {
char *rmpath = NULL;
rstrscat(&rmpath, path, "-RPMDELETE", NULL);
rc = rename(path, rmpath);
if (!rc) rc = rename(opath, path);
free(rmpath);
}
#endif
if (_fsm_debug)
rpmlog(RPMLOG_DEBUG, " %8s (%s, %s) %s\n", __func__,
opath, path, (rc < 0 ? strerror(errno) : ""));
if (rc < 0)
rc = (errno == EISDIR ? RPMERR_EXIST_AS_DIR : RPMERR_RENAME_FAILED);
return rc;
}
/*
* Format sigcheck result for output, appending the message spew to buf and
* bad/missing keyids to keyprob.
*
* In verbose mode, just dump it all. Otherwise ok signatures
* are dumped lowercase, bad sigs uppercase and for PGP/GPG
* if misssing/untrusted key it's uppercase in parenthesis
* and stash the key id as <SIGTYPE>#<keyid>. Pfft.
*/
static void formatResult(rpmTagVal sigtag, rpmRC sigres, const char *result,
char **keyprob, char **buf)
{
char *msg = NULL;
if (rpmIsVerbose()) {
rasprintf(&msg, " %s\n", result);
} else {
/* Check for missing / untrusted keys in result. */
const char *signame = sigtagname(sigtag, (sigres != RPMRC_OK));
if (sigres == RPMRC_NOKEY || sigres == RPMRC_NOTTRUSTED) {
const char *tempKey = strstr(result, "ey ID");
if (tempKey) {
char keyid[sizeof(pgpKeyID_t) + 1];
rstrlcpy(keyid, tempKey + 6, sizeof(keyid));
rstrscat(keyprob, " ", signame, "#", keyid, NULL);
}
}
rasprintf(&msg, (*keyprob ? "(%s) " : "%s "), signame);
}
rstrcat(buf, msg);
free(msg);
}
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;
}
void rpmRelocateFileList(rpmRelocation *relocations, int numRelocations,
rpmfs fs, Header h)
{
char ** baseNames;
char ** dirNames;
uint32_t * dirIndexes;
rpm_count_t fileCount, dirCount;
int nrelocated = 0;
int fileAlloced = 0;
char * fn = NULL;
int haveRelocatedBase = 0;
size_t maxlen = 0;
int i, j;
struct rpmtd_s bnames, dnames, dindexes, fmodes;
if (!addPrefixes(h, relocations, numRelocations))
return;
if (rpmIsDebug()) {
rpmlog(RPMLOG_DEBUG, "========== relocations\n");
for (i = 0; i < numRelocations; i++) {
if (relocations[i].oldPath == NULL) continue; /* XXX can't happen */
if (relocations[i].newPath == NULL)
rpmlog(RPMLOG_DEBUG, "%5d exclude %s\n",
i, relocations[i].oldPath);
else
rpmlog(RPMLOG_DEBUG, "%5d relocate %s -> %s\n",
i, relocations[i].oldPath, relocations[i].newPath);
}
}
for (i = 0; i < numRelocations; i++) {
if (relocations[i].newPath == NULL) continue;
size_t len = strlen(relocations[i].newPath);
if (len > maxlen) maxlen = len;
}
headerGet(h, RPMTAG_BASENAMES, &bnames, HEADERGET_MINMEM);
headerGet(h, RPMTAG_DIRINDEXES, &dindexes, HEADERGET_ALLOC);
headerGet(h, RPMTAG_DIRNAMES, &dnames, HEADERGET_MINMEM);
headerGet(h, RPMTAG_FILEMODES, &fmodes, HEADERGET_MINMEM);
/* TODO XXX ugh.. use rpmtd iterators & friends instead */
baseNames = bnames.data;
dirIndexes = dindexes.data;
fileCount = rpmtdCount(&bnames);
dirCount = rpmtdCount(&dnames);
/* XXX TODO: use rpmtdDup() instead */
dirNames = dnames.data = duparray(dnames.data, dirCount);
dnames.flags |= RPMTD_PTR_ALLOCED;
/*
* For all relocations, we go through sorted file/relocation lists
* backwards so that /usr/local relocations take precedence over /usr
* ones.
*/
/* Relocate individual paths. */
for (i = fileCount - 1; i >= 0; i--) {
rpmFileTypes ft;
int fnlen;
size_t len = maxlen +
strlen(dirNames[dirIndexes[i]]) + strlen(baseNames[i]) + 1;
if (len >= fileAlloced) {
fileAlloced = len * 2;
fn = xrealloc(fn, fileAlloced);
}
assert(fn != NULL); /* XXX can't happen */
*fn = '\0';
fnlen = stpcpy( stpcpy(fn, dirNames[dirIndexes[i]]), baseNames[i]) - fn;
/*
* See if this file path needs relocating.
*/
/*
* XXX FIXME: Would a bsearch of the (already sorted)
* relocation list be a good idea?
*/
for (j = numRelocations - 1; j >= 0; j--) {
if (relocations[j].oldPath == NULL) /* XXX can't happen */
continue;
len = !rstreq(relocations[j].oldPath, "/")
? strlen(relocations[j].oldPath)
: 0;
if (fnlen < len)
continue;
/*
* Only subdirectories or complete file paths may be relocated. We
* don't check for '\0' as our directory names all end in '/'.
*/
if (!(fn[len] == '/' || fnlen == len))
continue;
if (!rstreqn(relocations[j].oldPath, fn, len))
continue;
break;
}
if (j < 0) continue;
rpmtdSetIndex(&fmodes, i);
ft = rpmfiWhatis(rpmtdGetNumber(&fmodes));
/* On install, a relocate to NULL means skip the path. */
if (relocations[j].newPath == NULL) {
if (ft == XDIR) {
/* Start with the parent, looking for directory to exclude. */
for (j = dirIndexes[i]; j < dirCount; j++) {
len = strlen(dirNames[j]) - 1;
while (len > 0 && dirNames[j][len-1] == '/') len--;
if (fnlen != len)
continue;
if (!rstreqn(fn, dirNames[j], fnlen))
continue;
break;
}
}
rpmfsSetAction(fs, i, FA_SKIPNSTATE);
rpmlog(RPMLOG_DEBUG, "excluding %s %s\n",
ftstring(ft), fn);
continue;
}
/* Relocation on full paths only, please. */
if (fnlen != len) continue;
rpmlog(RPMLOG_DEBUG, "relocating %s to %s\n",
fn, relocations[j].newPath);
nrelocated++;
strcpy(fn, relocations[j].newPath);
{ char * te = strrchr(fn, '/');
if (te) {
if (te > fn) te++; /* root is special */
fnlen = te - fn;
} else
te = fn + strlen(fn);
if (!rstreq(baseNames[i], te)) { /* basename changed too? */
if (!haveRelocatedBase) {
/* XXX TODO: use rpmtdDup() instead */
bnames.data = baseNames = duparray(baseNames, fileCount);
bnames.flags |= RPMTD_PTR_ALLOCED;
haveRelocatedBase = 1;
}
free(baseNames[i]);
baseNames[i] = xstrdup(te);
}
*te = '\0'; /* terminate new directory name */
}
/* Does this directory already exist in the directory list? */
for (j = 0; j < dirCount; j++) {
if (fnlen != strlen(dirNames[j]))
continue;
if (!rstreqn(fn, dirNames[j], fnlen))
continue;
break;
}
if (j < dirCount) {
dirIndexes[i] = j;
continue;
}
/* Creating new paths is a pita */
dirNames = dnames.data = xrealloc(dnames.data,
sizeof(*dirNames) * (dirCount + 1));
dirNames[dirCount] = xstrdup(fn);
dirIndexes[i] = dirCount;
dirCount++;
dnames.count++;
}
/* Finish off by relocating directories. */
for (i = dirCount - 1; i >= 0; i--) {
for (j = numRelocations - 1; j >= 0; j--) {
if (relocations[j].oldPath == NULL) /* XXX can't happen */
continue;
size_t len = !rstreq(relocations[j].oldPath, "/")
? strlen(relocations[j].oldPath)
: 0;
if (len && !rstreqn(relocations[j].oldPath, dirNames[i], len))
continue;
/*
* Only subdirectories or complete file paths may be relocated. We
* don't check for '\0' as our directory names all end in '/'.
*/
if (dirNames[i][len] != '/')
continue;
if (relocations[j].newPath) { /* Relocate the path */
char *t = NULL;
rstrscat(&t, relocations[j].newPath, (dirNames[i] + len), NULL);
/* Unfortunately rpmCleanPath strips the trailing slash.. */
(void) rpmCleanPath(t);
rstrcat(&t, "/");
rpmlog(RPMLOG_DEBUG,
"relocating directory %s to %s\n", dirNames[i], t);
free(dirNames[i]);
dirNames[i] = t;
nrelocated++;
}
}
}
/* Save original filenames in header and replace (relocated) filenames. */
if (nrelocated) {
saveOrig(h);
headerMod(h, &bnames);
headerMod(h, &dnames);
headerMod(h, &dindexes);
}
rpmtdFreeData(&bnames);
rpmtdFreeData(&dnames);
rpmtdFreeData(&dindexes);
rpmtdFreeData(&fmodes);
free(fn);
}
/* Check file for to be installed symlinks in their path and correct their fp */
static void fpLookupSubdir(rpmFpHash symlinks, fingerPrintCache fpc, rpmte p, int filenr)
{
rpmfiles fi = rpmteFiles(p);
struct fingerPrint_s current_fp;
const char *currentsubdir;
size_t lensubDir, bnStart, bnEnd;
struct rpmffi_s * recs;
int numRecs;
int i;
fingerPrint *fp = rpmfilesFps(fi) + filenr;
int symlinkcount = 0;
struct rpmffi_s ffi = { p, filenr};
if (fp->subDirId == 0) {
rpmFpHashAddEntry(fpc->fp, fp, ffi);
goto exit;
}
currentsubdir = rpmstrPoolStr(fpc->pool, fp->subDirId);
lensubDir = rpmstrPoolStrlen(fpc->pool, fp->subDirId);
current_fp = *fp;
/* Set baseName to the upper most dir */
bnStart = bnEnd = 1;
while (bnEnd < lensubDir && currentsubdir[bnEnd] != '/')
bnEnd++;
/* no subDir for now */
current_fp.subDirId = 0;
while (bnEnd < lensubDir) {
char found = 0;
current_fp.baseNameId = rpmstrPoolIdn(fpc->pool,
currentsubdir + bnStart,
bnEnd - bnStart, 1);
rpmFpHashGetEntry(symlinks, ¤t_fp, &recs, &numRecs, NULL);
for (i = 0; i < numRecs; i++) {
rpmfiles foundfi = rpmteFiles(recs[i].p);
char const *linktarget = rpmfilesFLink(foundfi, recs[i].fileno);
char *link;
/* Ignore already removed (by eg %pretrans) links */
if (linktarget && rpmteType(recs[i].p) == TR_REMOVED) {
char *path = rpmfilesFN(foundfi, recs[i].fileno);
struct stat sb;
if (lstat(path, &sb) == -1)
linktarget = NULL;
free(path);
}
foundfi = rpmfilesFree(foundfi);
if (linktarget && *linktarget != '\0') {
const char *bn;
/* this "directory" is a symlink */
link = NULL;
if (*linktarget != '/') {
const char *dn, *subDir = NULL;
dn = rpmstrPoolStr(fpc->pool, current_fp.entry->dirId);
if (current_fp.subDirId) {
subDir = rpmstrPoolStr(fpc->pool, current_fp.subDirId);
}
rstrscat(&link, dn, subDir ? subDir : "", "/", NULL);
}
rstrscat(&link, linktarget, "/", NULL);
if (strlen(currentsubdir + bnEnd)) {
rstrscat(&link, currentsubdir + bnEnd, NULL);
}
bn = rpmstrPoolStr(fpc->pool, fp->baseNameId);
doLookup(fpc, link, bn, fp);
free(link);
symlinkcount++;
/* setup current_fp for the new path */
found = 1;
current_fp = *fp;
if (fp->subDirId == 0) {
/* directory exists - no need to look for symlinks */
rpmFpHashAddEntry(fpc->fp, fp, ffi);
goto exit;
}
currentsubdir = rpmstrPoolStr(fpc->pool, fp->subDirId);
lensubDir = rpmstrPoolStrlen(fpc->pool, fp->subDirId);
/* no subDir for now */
current_fp.subDirId = 0;
/* Set baseName to the upper most dir */
bnStart = bnEnd = 1;
while (bnEnd < lensubDir && currentsubdir[bnEnd] != '/')
bnEnd++;
break;
}
}
if (symlinkcount > 50) {
// found too many symlinks in the path
// most likley a symlink cicle
// giving up
// TODO warning/error
break;
}
if (found) {
continue; // restart loop after symlink
}
/* Set former baseName as subDir */
bnEnd++;
current_fp.subDirId = rpmstrPoolIdn(fpc->pool, currentsubdir, bnEnd, 1);
/* set baseName to the next lower dir */
bnStart = bnEnd;
while (bnEnd < lensubDir && currentsubdir[bnEnd] != '/')
bnEnd++;
}
rpmFpHashAddEntry(fpc->fp, fp, ffi);
exit:
rpmfilesFree(fi);
}
/** \ingroup payload
* Build path to file from file info, optionally ornamented with suffix.
* @param fi file info iterator
* @param suffix suffix to use (NULL disables)
* @retval path to file (malloced)
*/
static char * fsmFsPath(rpmfi fi, const char * suffix)
{
return rstrscat(NULL, rpmfiDN(fi), rpmfiBN(fi), suffix ? suffix : "", NULL);
}
static int process_package(rpmts ts, char * filename)
{
FD_t fdi;
FD_t gzdi;
Header h;
int rc = 0;
char * rpmio_flags = NULL;
struct archive *a;
struct archive_entry *entry;
if (!strcmp(filename, "-")) {
fdi = fdDup(STDIN_FILENO);
} else {
fdi = Fopen(filename, "r.ufdio");
}
if (Ferror(fdi)) {
fprintf(stderr, "rpm2archive: %s: %s\n",
filename, Fstrerror(fdi));
exit(EXIT_FAILURE);
}
rc = rpmReadPackageFile(ts, fdi, "rpm2cpio", &h);
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 payload size and compression type. */
{ 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);
}
rpmfiles files = rpmfilesNew(NULL, h, 0, RPMFI_KEEPHEADER);
rpmfi fi = rpmfiNewArchiveReader(gzdi, files, RPMFI_ITER_READ_ARCHIVE_CONTENT_FIRST);
/* create archive */
a = archive_write_new();
archive_write_add_filter_gzip(a);
archive_write_set_format_pax_restricted(a);
if (!strcmp(filename, "-")) {
if (isatty(STDOUT_FILENO)) {
fprintf(stderr, "Error: refusing to output archive data to a terminal.\n");
exit(EXIT_FAILURE);
}
archive_write_open_fd(a, STDOUT_FILENO);
} else {
char * outname = rstrscat(NULL, filename, ".tgz", NULL);
archive_write_open_filename(a, outname);
_free(outname);
// XXX error handling
}
entry = archive_entry_new();
char * buf = xmalloc(BUFSIZE);
char * hardlink = NULL;
rc = 0;
while (rc >= 0) {
rc = rpmfiNext(fi);
if (rc == RPMERR_ITER_END) {
break;
}
rpm_mode_t mode = rpmfiFMode(fi);
int nlink = rpmfiFNlink(fi);
fill_archive_entry(a, entry, fi);
if (nlink > 1) {
if (rpmfiArchiveHasContent(fi)) {
_free(hardlink);
hardlink = rstrscat(NULL, ".", rpmfiFN(fi), NULL);
} else {
archive_entry_set_hardlink(entry, hardlink);
}
}
archive_write_header(a, entry);
if (S_ISREG(mode) && (nlink == 1 || rpmfiArchiveHasContent(fi))) {
write_file_content(a, buf, fi);
}
}
/* End of iteration is not an error */
if (rc == RPMERR_ITER_END) {
rc = 0;
}
_free(hardlink);
Fclose(gzdi); /* XXX gzdi == fdi */
archive_entry_free(entry);
archive_write_close(a);
archive_write_free(a);
buf = _free(buf);
rpmfilesFree(files);
rpmfiFree(fi);
headerFree(h);
return rc;
}
/**
* Check file info from header against what's actually installed.
* @param ts transaction set
* @param h header to verify
* @param omitMask bits to disable verify checks
* @param incAttr skip files without these attrs (eg %ghost)
* @param skipAttr skip files with these attrs (eg %ghost)
* @return 0 no problems, 1 problems found
*/
static int verifyHeader(rpmts ts, Header h, rpmVerifyAttrs omitMask,
rpmfileAttrs incAttrs, rpmfileAttrs skipAttrs)
{
rpmVerifyAttrs verifyResult = 0;
rpmVerifyAttrs verifyAll = 0; /* assume no problems */
rpmfi fi = rpmfiNew(ts, h, RPMTAG_BASENAMES, RPMFI_FLAGS_VERIFY);
if (fi == NULL)
return 1;
rpmfiInit(fi, 0);
while (rpmfiNext(fi) >= 0) {
rpmfileAttrs fileAttrs = rpmfiFFlags(fi);
char *buf = NULL, *attrFormat;
const char *fstate = NULL;
char ac;
/* If filtering by inclusion, skip non-matching (eg --configfiles) */
if (incAttrs && !(incAttrs & fileAttrs))
continue;
/* Skip on attributes (eg from --noghost) */
if (skipAttrs & fileAttrs)
continue;
verifyResult = rpmfiVerify(fi, omitMask);
/* Filter out timestamp differences of shared files */
if (verifyResult & RPMVERIFY_MTIME) {
rpmdbMatchIterator mi;
mi = rpmtsInitIterator(ts, RPMDBI_BASENAMES, rpmfiFN(fi), 0);
if (rpmdbGetIteratorCount(mi) > 1)
verifyResult &= ~RPMVERIFY_MTIME;
rpmdbFreeIterator(mi);
}
/* State is only meaningful for installed packages */
if (headerGetInstance(h))
fstate = stateStr(rpmfiFState(fi));
attrFormat = rpmFFlagsString(fileAttrs, "");
ac = rstreq(attrFormat, "") ? ' ' : attrFormat[0];
if (verifyResult & RPMVERIFY_LSTATFAIL) {
if (!(fileAttrs & (RPMFILE_MISSINGOK|RPMFILE_GHOST)) || rpmIsVerbose()) {
rasprintf(&buf, _("missing %c %s"), ac, rpmfiFN(fi));
if ((verifyResult & RPMVERIFY_LSTATFAIL) != 0 &&
errno != ENOENT) {
char *app;
rasprintf(&app, " (%s)", strerror(errno));
rstrcat(&buf, app);
free(app);
}
}
} else if (verifyResult || fstate || rpmIsVerbose()) {
char *verifyFormat = rpmVerifyString(verifyResult, ".");
rasprintf(&buf, "%s %c %s", verifyFormat, ac, rpmfiFN(fi));
free(verifyFormat);
}
free(attrFormat);
if (buf) {
if (fstate)
buf = rstrscat(&buf, " (", fstate, ")", NULL);
rpmlog(RPMLOG_NOTICE, "%s\n", buf);
buf = _free(buf);
}
verifyAll |= verifyResult;
}
rpmfiFree(fi);
return (verifyAll != 0) ? 1 : 0;
}
