bool TClntOptIA_PD::doDuties()
{
if (!OriginalMsg) {
Log(Error) << "Internal error. Unable to set prefixes: setContext() not called." << LogEnd;
return false;
}
switch(OriginalMsg->getType()) {
case REQUEST_MSG:
case SOLICIT_MSG:
return addPrefixes();
case RELEASE_MSG:
return delPrefixes();
case RENEW_MSG:
case REBIND_MSG:
return updatePrefixes();
default:
break;
}
return true;
}
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);
}
