folkslinux
/
rpm
mirror of https://github.com/rpm-software-management/rpm.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity
rpm/lib/rpmfi.c

1543 lines
38 KiB
C
Raw Blame History

/** \ingroup rpmdep
* \file lib/rpmfi.c
* Routines to handle file info tag sets.
*/
#include "system.h"
#include <rpmio_internal.h>
#include <rpmlib.h>
#include "cpio.h" /* XXX CPIO_FOO */
#include "fsm.h" /* XXX newFSM() */
#include "rpmds.h"
#define _RPMFI_INTERNAL
#include "rpmfi.h"
#define _RPMTE_INTERNAL /* relocations */
#include "rpmte.h"
#include "rpmts.h"
#include "legacy.h" /* XXX domd5 */
#include "misc.h" /* XXX stripTrailingChar */
#include "rpmmacro.h" /* XXX rpmCleanPath */
#include "legacy.h"
#include "debug.h"
int _rpmfi_debug = 0;
rpmfi XrpmfiUnlink(rpmfi fi, const char * msg, const char * fn, unsigned ln)
{
if (fi == NULL) return NULL;
if (_rpmfi_debug && msg != NULL)
fprintf(stderr, "--> fi %p -- %d %s at %s:%u\n", fi, fi->nrefs, msg, fn, ln);
fi->nrefs--;
return NULL;
}
rpmfi XrpmfiLink(rpmfi fi, const char * msg, const char * fn, unsigned ln)
{
if (fi == NULL) return NULL;
fi->nrefs++;
if (_rpmfi_debug && msg != NULL)
fprintf(stderr, "--> fi %p ++ %d %s at %s:%u\n", fi, fi->nrefs, msg, fn, ln);
return fi;
}
int rpmfiFC(rpmfi fi)
{
return (fi != NULL ? fi->fc : 0);
}
int rpmfiDC(rpmfi fi)
{
return (fi != NULL ? fi->dc : 0);
}
#ifdef NOTYET
int rpmfiDI(rpmfi fi)
{
}
#endif
int rpmfiFX(rpmfi fi)
{
return (fi != NULL ? fi->i : -1);
}
int rpmfiSetFX(rpmfi fi, int fx)
{
int i = -1;
if (fi != NULL && fx >= 0 && fx < fi->fc) {
i = fi->i;
fi->i = fx;
fi->j = fi->dil[fi->i];
}
return i;
}
int rpmfiDX(rpmfi fi)
{
return (fi != NULL ? fi->j : -1);
}
int rpmfiSetDX(rpmfi fi, int dx)
{
int j = -1;
if (fi != NULL && dx >= 0 && dx < fi->dc) {
j = fi->j;
fi->j = dx;
}
return j;
}
const char * rpmfiBN(rpmfi fi)
{
const char * BN = NULL;
if (fi != NULL && fi->i >= 0 && fi->i < fi->fc) {
if (fi->bnl != NULL)
BN = fi->bnl[fi->i];
}
return BN;
}
const char * rpmfiDN(rpmfi fi)
{
const char * DN = NULL;
if (fi != NULL && fi->j >= 0 && fi->j < fi->dc) {
if (fi->dnl != NULL)
DN = fi->dnl[fi->j];
}
return DN;
}
const char * rpmfiFN(rpmfi fi)
{
const char * FN = "";
if (fi != NULL && fi->i >= 0 && fi->i < fi->fc) {
char * t;
if (fi->fn == NULL)
fi->fn = xmalloc(fi->fnlen);
FN = t = fi->fn;
*t = '\0';
t = stpcpy(t, fi->dnl[fi->dil[fi->i]]);
t = stpcpy(t, fi->bnl[fi->i]);
}
return FN;
}
uint_32 rpmfiFFlags(rpmfi fi)
{
int_32 FFlags = 0;
if (fi != NULL && fi->i >= 0 && fi->i < fi->fc) {
if (fi->fflags != NULL)
FFlags = fi->fflags[fi->i];
}
return FFlags;
}
uint_32 rpmfiVFlags(rpmfi fi)
{
int_32 VFlags = 0;
if (fi != NULL && fi->i >= 0 && fi->i < fi->fc) {
if (fi->vflags != NULL)
VFlags = fi->vflags[fi->i];
}
return VFlags;
}
int_16 rpmfiFMode(rpmfi fi)
{
int_16 fmode = 0;
if (fi != NULL && fi->i >= 0 && fi->i < fi->fc) {
if (fi->fmodes != NULL)
fmode = fi->fmodes[fi->i];
}
return fmode;
}
rpmfileState rpmfiFState(rpmfi fi)
{
rpmfileState fstate = RPMFILE_STATE_MISSING;
if (fi != NULL && fi->i >= 0 && fi->i < fi->fc) {
if (fi->fstates != NULL)
fstate = fi->fstates[fi->i];
}
return fstate;
}
const unsigned char * rpmfiMD5(rpmfi fi)
{
unsigned char * MD5 = NULL;
if (fi != NULL && fi->i >= 0 && fi->i < fi->fc) {
if (fi->md5s != NULL)
MD5 = fi->md5s + (16 * fi->i);
}
return MD5;
}
const char * rpmfiFLink(rpmfi fi)
{
const char * flink = NULL;
if (fi != NULL && fi->i >= 0 && fi->i < fi->fc) {
if (fi->flinks != NULL)
flink = fi->flinks[fi->i];
}
return flink;
}
int_32 rpmfiFSize(rpmfi fi)
{
int_32 fsize = 0;
if (fi != NULL && fi->i >= 0 && fi->i < fi->fc) {
if (fi->fsizes != NULL)
fsize = fi->fsizes[fi->i];
}
return fsize;
}
int_16 rpmfiFRdev(rpmfi fi)
{
int_16 frdev = 0;
if (fi != NULL && fi->i >= 0 && fi->i < fi->fc) {
if (fi->frdevs != NULL)
frdev = fi->frdevs[fi->i];
}
return frdev;
}
int_32 rpmfiFInode(rpmfi fi)
{
int_32 finode = 0;
if (fi != NULL && fi->i >= 0 && fi->i < fi->fc) {
if (fi->finodes != NULL)
finode = fi->finodes[fi->i];
}
return finode;
}
uint_32 rpmfiColor(rpmfi fi)
{
uint_32 color = 0;
if (fi != NULL)
/* XXX ignore all but lsnibble for now. */
color = fi->color & 0xf;
return color;
}
uint_32 rpmfiFColor(rpmfi fi)
{
uint_32 fcolor = 0;
if (fi != NULL && fi->i >= 0 && fi->i < fi->fc) {
if (fi->fcolors != NULL)
/* XXX ignore all but lsnibble for now. */
fcolor = (fi->fcolors[fi->i] & 0x0f);
}
return fcolor;
}
const char * rpmfiFClass(rpmfi fi)
{
const char * fclass = NULL;
int cdictx;
if (fi != NULL && fi->fcdictx != NULL && fi->i >= 0 && fi->i < fi->fc) {
cdictx = fi->fcdictx[fi->i];
if (fi->cdict != NULL && cdictx >= 0 && cdictx < fi->ncdict)
fclass = fi->cdict[cdictx];
}
return fclass;
}
const char * rpmfiFContext(rpmfi fi)
{
const char * fcontext = NULL;
if (fi != NULL && fi->i >= 0 && fi->i < fi->fc) {
if (fi->fcontexts != NULL)
fcontext = fi->fcontexts[fi->i];
}
return fcontext;
}
int_32 rpmfiFDepends(rpmfi fi, const uint_32 ** fddictp)
{
int fddictx = -1;
int fddictn = 0;
const uint_32 * fddict = NULL;
if (fi != NULL && fi->i >= 0 && fi->i < fi->fc) {
if (fi->fddictn != NULL)
fddictn = fi->fddictn[fi->i];
if (fddictn > 0 && fi->fddictx != NULL)
fddictx = fi->fddictx[fi->i];
if (fi->ddict != NULL && fddictx >= 0 && (fddictx+fddictn) <= fi->nddict)
fddict = fi->ddict + fddictx;
}
if (fddictp)
*fddictp = fddict;
return fddictn;
}
int_32 rpmfiFNlink(rpmfi fi)
{
int_32 nlink = 0;
if (fi != NULL && fi->i >= 0 && fi->i < fi->fc) {
/* XXX rpm-2.3.12 has not RPMTAG_FILEINODES */
if (fi->finodes && fi->frdevs) {
int_32 finode = fi->finodes[fi->i];
int_16 frdev = fi->frdevs[fi->i];
int j;
for (j = 0; j < fi->fc; j++) {
if (fi->frdevs[j] == frdev && fi->finodes[j] == finode)
nlink++;
}
}
}
return nlink;
}
int_32 rpmfiFMtime(rpmfi fi)
{
int_32 fmtime = 0;
if (fi != NULL && fi->i >= 0 && fi->i < fi->fc) {
if (fi->fmtimes != NULL)
fmtime = fi->fmtimes[fi->i];
}
return fmtime;
}
const char * rpmfiFUser(rpmfi fi)
{
const char * fuser = NULL;
/* XXX add support for ancient RPMTAG_FILEUIDS? */
if (fi != NULL && fi->i >= 0 && fi->i < fi->fc) {
if (fi->fuser != NULL)
fuser = fi->fuser[fi->i];
}
return fuser;
}
const char * rpmfiFGroup(rpmfi fi)
{
const char * fgroup = NULL;
/* XXX add support for ancient RPMTAG_FILEGIDS? */
if (fi != NULL && fi->i >= 0 && fi->i < fi->fc) {
if (fi->fgroup != NULL)
fgroup = fi->fgroup[fi->i];
}
return fgroup;
}
int rpmfiNext(rpmfi fi)
{
int i = -1;
if (fi != NULL && ++fi->i >= 0) {
if (fi->i < fi->fc) {
i = fi->i;
if (fi->dil != NULL)
fi->j = fi->dil[fi->i];
} else
fi->i = -1;
if (_rpmfi_debug < 0 && i != -1)
fprintf(stderr, "*** fi %p\t%s[%d] %s%s\n", fi, (fi->Type ? fi->Type : "?Type?"), i, (i >= 0 ? fi->dnl[fi->j] : ""), (i >= 0 ? fi->bnl[fi->i] : ""));
}
return i;
}
rpmfi rpmfiInit(rpmfi fi, int fx)
{
if (fi != NULL) {
if (fx >= 0 && fx < fi->fc) {
fi->i = fx - 1;
fi->j = -1;
}
}
return fi;
}
int rpmfiNextD(rpmfi fi)
{
int j = -1;
if (fi != NULL && ++fi->j >= 0) {
if (fi->j < fi->dc)
j = fi->j;
else
fi->j = -1;
if (_rpmfi_debug < 0 && j != -1)
fprintf(stderr, "*** fi %p\t%s[%d]\n", fi, (fi->Type ? fi->Type : "?Type?"), j);
}
return j;
}
rpmfi rpmfiInitD(rpmfi fi, int dx)
{
if (fi != NULL) {
if (dx >= 0 && dx < fi->fc)
fi->j = dx - 1;
else
fi = NULL;
}
return fi;
}
/**
* Identify a file type.
* @param ft file type
* @return string to identify a file type
*/
static
const char * ftstring (rpmFileTypes ft)
{
switch (ft) {
case XDIR: return "directory";
case CDEV: return "char dev";
case BDEV: return "block dev";
case LINK: return "link";
case SOCK: return "sock";
case PIPE: return "fifo/pipe";
case REG: return "file";
default: return "unknown file type";
}
}
rpmFileTypes whatis(uint_16 mode)
{
if (S_ISDIR(mode)) return XDIR;
if (S_ISCHR(mode)) return CDEV;
if (S_ISBLK(mode)) return BDEV;
if (S_ISLNK(mode)) return LINK;
if (S_ISSOCK(mode)) return SOCK;
if (S_ISFIFO(mode)) return PIPE;
return REG;
}
int rpmfiCompare(const rpmfi afi, const rpmfi bfi)
{
rpmFileTypes awhat = whatis(rpmfiFMode(afi));
rpmFileTypes bwhat = whatis(rpmfiFMode(bfi));
if (awhat != bwhat) return 1;
if (awhat == LINK) {
const char * alink = rpmfiFLink(afi);
const char * blink = rpmfiFLink(bfi);
if (alink == blink) return 0;
if (alink == NULL) return 1;
if (blink == NULL) return -1;
return strcmp(alink, blink);
} else if (awhat == REG) {
const unsigned char * amd5 = rpmfiMD5(afi);
const unsigned char * bmd5 = rpmfiMD5(bfi);
if (amd5 == bmd5) return 0;
if (amd5 == NULL) return 1;
if (bmd5 == NULL) return -1;
return memcmp(amd5, bmd5, 16);
}
return 0;
}
fileAction rpmfiDecideFate(const rpmfi ofi, rpmfi nfi, int skipMissing)
{
const char * fn = rpmfiFN(nfi);
int newFlags = rpmfiFFlags(nfi);
char buffer[1024];
rpmFileTypes dbWhat, newWhat, diskWhat;
struct stat sb;
int save = (newFlags & RPMFILE_NOREPLACE) ? FA_ALTNAME : FA_SAVE;
if (lstat(fn, &sb)) {
/*
* The file doesn't exist on the disk. Create it unless the new
* package has marked it as missingok, or allfiles is requested.
*/
if (skipMissing && (newFlags & RPMFILE_MISSINGOK)) {
rpmMessage(RPMMESS_DEBUG, _("%s skipped due to missingok flag\n"),
fn);
return FA_SKIP;
} else {
return FA_CREATE;
}
}
diskWhat = whatis((int_16)sb.st_mode);
dbWhat = whatis(rpmfiFMode(ofi));
newWhat = whatis(rpmfiFMode(nfi));
/*
* RPM >= 2.3.10 shouldn't create config directories -- we'll ignore
* them in older packages as well.
*/
if (newWhat == XDIR)
return FA_CREATE;
if (diskWhat != newWhat && dbWhat != REG && dbWhat != LINK)
return save;
else if (newWhat != dbWhat && diskWhat != dbWhat)
return save;
else if (dbWhat != newWhat)
return FA_CREATE;
else if (dbWhat != LINK && dbWhat != REG)
return FA_CREATE;
/*
* This order matters - we'd prefer to CREATE the file if at all
* possible in case something else (like the timestamp) has changed.
*/
memset(buffer, 0, sizeof(buffer));
if (dbWhat == REG) {
const unsigned char * omd5, * nmd5;
omd5 = rpmfiMD5(ofi);
if (diskWhat == REG) {
if (domd5(fn, (unsigned char *)buffer, 0, NULL))
return FA_CREATE; /* assume file has been removed */
if (omd5 && !memcmp(omd5, buffer, 16))
return FA_CREATE; /* unmodified config file, replace. */
}
nmd5 = rpmfiMD5(nfi);
if (omd5 && nmd5 && !memcmp(omd5, nmd5, 16))
return FA_SKIP; /* identical file, don't bother. */
} else /* dbWhat == LINK */ {
const char * oFLink, * nFLink;
oFLink = rpmfiFLink(ofi);
if (diskWhat == LINK) {
if (readlink(fn, buffer, sizeof(buffer) - 1) == -1)
return FA_CREATE; /* assume file has been removed */
if (oFLink && !strcmp(oFLink, buffer))
return FA_CREATE; /* unmodified config file, replace. */
}
nFLink = rpmfiFLink(nfi);
if (oFLink && nFLink && !strcmp(oFLink, nFLink))
return FA_SKIP; /* identical file, don't bother. */
}
/*
* The config file on the disk has been modified, but
* the ones in the two packages are different. It would
* be nice if RPM was smart enough to at least try and
* merge the difference ala CVS, but...
*/
return save;
}
int rpmfiConfigConflict(const rpmfi fi)
{
const char * fn = rpmfiFN(fi);
int flags = rpmfiFFlags(fi);
char buffer[1024];
rpmFileTypes newWhat, diskWhat;
struct stat sb;
if (!(flags & RPMFILE_CONFIG) || lstat(fn, &sb)) {
return 0;
}
diskWhat = whatis((int_16)sb.st_mode);
newWhat = whatis(rpmfiFMode(fi));
if (newWhat != LINK && newWhat != REG)
return 1;
if (diskWhat != newWhat)
return 1;
memset(buffer, 0, sizeof(buffer));
if (newWhat == REG) {
const unsigned char * nmd5;
if (domd5(fn, (unsigned char *)buffer, 0, NULL))
return 0; /* assume file has been removed */
nmd5 = rpmfiMD5(fi);
if (nmd5 && !memcmp(nmd5, buffer, 16))
return 0; /* unmodified config file */
} else /* newWhat == LINK */ {
const char * nFLink;
if (readlink(fn, buffer, sizeof(buffer) - 1) == -1)
return 0; /* assume file has been removed */
nFLink = rpmfiFLink(fi);
if (nFLink && !strcmp(nFLink, buffer))
return 0; /* unmodified config file */
}
return 1;
}
const char * rpmfiTypeString(rpmfi fi)
{
switch(rpmteType(fi->te)) {
case TR_ADDED: return " install";
case TR_REMOVED: return " erase";
default: return "???";
}
}
#define alloca_strdup(_s) strcpy(alloca(strlen(_s)+1), (_s))
/**
* Relocate files in header.
* @todo multilib file dispositions need to be checked.
* @param ts transaction set
* @param fi transaction element file info
* @param origH package header
* @param actions file dispositions
* @return header with relocated files
*/
static
Header relocateFileList(const rpmts ts, rpmfi fi,
Header origH, fileAction * actions)
{
rpmte p = rpmtsRelocateElement(ts);
HGE_t hge = fi->hge;
HAE_t hae = fi->hae;
HME_t hme = fi->hme;
HFD_t hfd = (fi->hfd ? fi->hfd : headerFreeData);
static int _printed = 0;
int allowBadRelocate = (rpmtsFilterFlags(ts) & RPMPROB_FILTER_FORCERELOCATE);
rpmRelocation * relocations = NULL;
int numRelocations;
const char ** validRelocations;
rpmTagType validType;
int numValid;
const char ** baseNames;
const char ** dirNames;
uint_32 * dirIndexes;
uint_32 * newDirIndexes;
int_32 fileCount;
int_32 dirCount;
uint_32 mydColor = rpmExpandNumeric("%{?_autorelocate_dcolor}");
uint_32 * fFlags = NULL;
uint_32 * fColors = NULL;
uint_32 * dColors = NULL;
uint_16 * fModes = NULL;
Header h;
int nrelocated = 0;
int fileAlloced = 0;
char * fn = NULL;
int haveRelocatedFile = 0;
int reldel = 0;
int len;
int i, j, xx;
if (!hge(origH, RPMTAG_PREFIXES, &validType,
(void **) &validRelocations, &numValid))
numValid = 0;
assert(p != NULL);
numRelocations = 0;
if (p->relocs)
while (p->relocs[numRelocations].newPath ||
p->relocs[numRelocations].oldPath)
numRelocations++;
/*
* If no relocations are specified (usually the case), then return the
* original header. If there are prefixes, however, then INSTPREFIXES
* should be added, but, since relocateFileList() can be called more
* than once for the same header, don't bother if already present.
*/
if (p->relocs == NULL || numRelocations == 0) {
if (numValid) {
if (!headerIsEntry(origH, RPMTAG_INSTPREFIXES))
xx = hae(origH, RPMTAG_INSTPREFIXES,
validType, validRelocations, numValid);
validRelocations = hfd(validRelocations, validType);
}
/* XXX FIXME multilib file actions need to be checked. */
return headerLink(origH);
}
h = headerLink(origH);
relocations = alloca(sizeof(*relocations) * numRelocations);
/* Build sorted relocation list from raw relocations. */
for (i = 0; i < numRelocations; i++) {
char * t;
/*
* Default relocations (oldPath == NULL) are handled in the UI,
* not rpmlib.
*/
if (p->relocs[i].oldPath == NULL) continue; /* XXX can't happen */
/* FIXME: Trailing /'s will confuse us greatly. Internal ones will
too, but those are more trouble to fix up. :-( */
t = alloca_strdup(p->relocs[i].oldPath);
relocations[i].oldPath = (t[0] == '/' && t[1] == '\0')
? t
: stripTrailingChar(t, '/');
/* An old path w/o a new path is valid, and indicates exclusion */
if (p->relocs[i].newPath) {
int del;
t = alloca_strdup(p->relocs[i].newPath);
relocations[i].newPath = (t[0] == '/' && t[1] == '\0')
? t
: stripTrailingChar(t, '/');
/* FIX: relocations[i].oldPath == NULL */
/* Verify that the relocation's old path is in the header. */
for (j = 0; j < numValid; j++) {
if (!strcmp(validRelocations[j], relocations[i].oldPath))
break;
}
/* XXX actions check prevents problem from being appended twice. */
if (j == numValid && !allowBadRelocate && actions) {
rpmps ps = rpmtsProblems(ts);
rpmpsAppend(ps, RPMPROB_BADRELOCATE,
rpmteNEVR(p), rpmteKey(p),
relocations[i].oldPath, NULL, NULL, 0);
ps = rpmpsFree(ps);
}
del =
strlen(relocations[i].newPath) - strlen(relocations[i].oldPath);
if (del > reldel)
reldel = del;
} else {
relocations[i].newPath = NULL;
}
}
/* stupid bubble sort, but it's probably faster here */
for (i = 0; i < numRelocations; i++) {
int madeSwap;
madeSwap = 0;
for (j = 1; j < numRelocations; j++) {
rpmRelocation tmpReloc;
if (relocations[j - 1].oldPath == NULL || /* XXX can't happen */
relocations[j ].oldPath == NULL || /* XXX can't happen */
strcmp(relocations[j - 1].oldPath, relocations[j].oldPath) <= 0)
continue;
/* LCL: ??? */
tmpReloc = relocations[j - 1];
relocations[j - 1] = relocations[j];
relocations[j] = tmpReloc;
madeSwap = 1;
}
if (!madeSwap) break;
}
if (!_printed) {
_printed = 1;
rpmMessage(RPMMESS_DEBUG, _("========== relocations\n"));
for (i = 0; i < numRelocations; i++) {
if (relocations[i].oldPath == NULL) continue; /* XXX can't happen */
if (relocations[i].newPath == NULL)
rpmMessage(RPMMESS_DEBUG, _("%5d exclude %s\n"),
i, relocations[i].oldPath);
else
rpmMessage(RPMMESS_DEBUG, _("%5d relocate %s -> %s\n"),
i, relocations[i].oldPath, relocations[i].newPath);
}
}
/* Add relocation values to the header */
if (numValid) {
const char ** actualRelocations;
int numActual;
actualRelocations = xmalloc(numValid * sizeof(*actualRelocations));
numActual = 0;
for (i = 0; i < numValid; i++) {
for (j = 0; j < numRelocations; j++) {
if (relocations[j].oldPath == NULL || /* XXX can't happen */
strcmp(validRelocations[i], relocations[j].oldPath))
continue;
/* On install, a relocate to NULL means skip the path. */
if (relocations[j].newPath) {
actualRelocations[numActual] = relocations[j].newPath;
numActual++;
}
break;
}
if (j == numRelocations) {
actualRelocations[numActual] = validRelocations[i];
numActual++;
}
}
if (numActual)
xx = hae(h, RPMTAG_INSTPREFIXES, RPM_STRING_ARRAY_TYPE,
(void **) actualRelocations, numActual);
actualRelocations = _free(actualRelocations);
validRelocations = hfd(validRelocations, validType);
}
xx = hge(h, RPMTAG_BASENAMES, NULL, (void **) &baseNames, &fileCount);
xx = hge(h, RPMTAG_DIRINDEXES, NULL, (void **) &dirIndexes, NULL);
xx = hge(h, RPMTAG_DIRNAMES, NULL, (void **) &dirNames, &dirCount);
xx = hge(h, RPMTAG_FILEFLAGS, NULL, (void **) &fFlags, NULL);
xx = hge(h, RPMTAG_FILECOLORS, NULL, (void **) &fColors, NULL);
xx = hge(h, RPMTAG_FILEMODES, NULL, (void **) &fModes, NULL);
dColors = alloca(dirCount * sizeof(*dColors));
memset(dColors, 0, dirCount * sizeof(*dColors));
newDirIndexes = alloca(sizeof(*newDirIndexes) * fileCount);
memcpy(newDirIndexes, dirIndexes, sizeof(*newDirIndexes) * fileCount);
dirIndexes = newDirIndexes;
/*
* 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;
len = reldel +
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;
if (fColors != NULL) {
/* XXX pkgs may not have unique dirNames, so color all dirNames that match. */
for (j = 0; j < dirCount; j++) {
if (strcmp(dirNames[dirIndexes[i]], dirNames[j])) continue;
dColors[j] |= fColors[i];
}
}
/*
* 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 = strcmp(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 (strncmp(relocations[j].oldPath, fn, len))
continue;
break;
}
if (j < 0) continue;
/* FIX: fModes may be NULL */
ft = whatis(fModes[i]);
/* 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 (strncmp(fn, dirNames[j], fnlen))
continue;
break;
}
}
if (actions) {
actions[i] = FA_SKIPNSTATE;
rpmMessage(RPMMESS_DEBUG, _("excluding %s %s\n"),
ftstring(ft), fn);
}
continue;
}
/* Relocation on full paths only, please. */
if (fnlen != len) continue;
if (actions)
rpmMessage(RPMMESS_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);
/* LCL: te != NULL here. */
if (strcmp(baseNames[i], te)) /* basename changed too? */
baseNames[i] = alloca_strdup(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 (strncmp(fn, dirNames[j], fnlen))
continue;
break;
}
if (j < dirCount) {
dirIndexes[i] = j;
continue;
}
/* Creating new paths is a pita */
if (!haveRelocatedFile) {
const char ** newDirList;
haveRelocatedFile = 1;
newDirList = xmalloc((dirCount + 1) * sizeof(*newDirList));
for (j = 0; j < dirCount; j++)
newDirList[j] = alloca_strdup(dirNames[j]);
dirNames = hfd(dirNames, RPM_STRING_ARRAY_TYPE);
dirNames = newDirList;
} else {
dirNames = xrealloc(dirNames,
sizeof(*dirNames) * (dirCount + 1));
}
dirNames[dirCount] = alloca_strdup(fn);
dirIndexes[i] = dirCount;
dirCount++;
}
/* Finish off by relocating directories. */
for (i = dirCount - 1; i >= 0; i--) {
for (j = numRelocations - 1; j >= 0; j--) {
/* XXX Don't autorelocate uncolored directories. */
if (j == p->autorelocatex
&& (dColors[i] == 0 || !(dColors[i] & mydColor)))
continue;
if (relocations[j].oldPath == NULL) /* XXX can't happen */
continue;
len = strcmp(relocations[j].oldPath, "/")
? strlen(relocations[j].oldPath)
: 0;
if (len && strncmp(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 */
const char * s = relocations[j].newPath;
char * t = alloca(strlen(s) + strlen(dirNames[i]) - len + 1);
size_t slen;
(void) stpcpy( stpcpy(t, s) , dirNames[i] + len);
/* Unfortunatly rpmCleanPath strips the trailing slash.. */
(void) rpmCleanPath(t);
slen = strlen(t);
t[slen] = '/';
t[slen+1] = '\0';
if (actions)
rpmMessage(RPMMESS_DEBUG,
_("relocating directory %s to %s\n"), dirNames[i], t);
dirNames[i] = t;
nrelocated++;
}
}
}
/* Save original filenames in header and replace (relocated) filenames. */
if (nrelocated) {
int c;
void * d;
rpmTagType t;
d = NULL;
xx = hge(h, RPMTAG_BASENAMES, &t, &d, &c);
xx = hae(h, RPMTAG_ORIGBASENAMES, t, d, c);
d = hfd(d, t);
d = NULL;
xx = hge(h, RPMTAG_DIRNAMES, &t, &d, &c);
xx = hae(h, RPMTAG_ORIGDIRNAMES, t, d, c);
d = hfd(d, t);
d = NULL;
xx = hge(h, RPMTAG_DIRINDEXES, &t, &d, &c);
xx = hae(h, RPMTAG_ORIGDIRINDEXES, t, d, c);
d = hfd(d, t);
xx = hme(h, RPMTAG_BASENAMES, RPM_STRING_ARRAY_TYPE,
baseNames, fileCount);
fi->bnl = hfd(fi->bnl, RPM_STRING_ARRAY_TYPE);
xx = hge(h, RPMTAG_BASENAMES, NULL, (void **) &fi->bnl, &fi->fc);
xx = hme(h, RPMTAG_DIRNAMES, RPM_STRING_ARRAY_TYPE,
dirNames, dirCount);
fi->dnl = hfd(fi->dnl, RPM_STRING_ARRAY_TYPE);
xx = hge(h, RPMTAG_DIRNAMES, NULL, (void **) &fi->dnl, &fi->dc);
xx = hme(h, RPMTAG_DIRINDEXES, RPM_INT32_TYPE,
dirIndexes, fileCount);
xx = hge(h, RPMTAG_DIRINDEXES, NULL, (void **) &fi->dil, NULL);
}
baseNames = hfd(baseNames, RPM_STRING_ARRAY_TYPE);
dirNames = hfd(dirNames, RPM_STRING_ARRAY_TYPE);
fn = _free(fn);
return h;
}
rpmfi rpmfiFree(rpmfi fi)
{
HFD_t hfd = headerFreeData;
if (fi == NULL) return NULL;
if (fi->nrefs > 1)
return rpmfiUnlink(fi, fi->Type);
if (_rpmfi_debug < 0)
fprintf(stderr, "*** fi %p\t%s[%d]\n", fi, fi->Type, fi->fc);
/* Free pre- and post-transaction script and interpreter strings. */
fi->pretrans = _free(fi->pretrans);
fi->pretransprog = _free(fi->pretransprog);
fi->posttrans = _free(fi->posttrans);
fi->posttransprog = _free(fi->posttransprog);
if (fi->fc > 0) {
fi->bnl = hfd(fi->bnl, -1);
fi->dnl = hfd(fi->dnl, -1);
fi->flinks = hfd(fi->flinks, -1);
fi->flangs = hfd(fi->flangs, -1);
fi->fmd5s = hfd(fi->fmd5s, -1);
fi->md5s = _free(fi->md5s);
fi->cdict = hfd(fi->cdict, -1);
fi->fuser = hfd(fi->fuser, -1);
fi->fgroup = hfd(fi->fgroup, -1);
fi->fstates = _free(fi->fstates);
if (!fi->keep_header && fi->h == NULL) {
fi->fmtimes = _free(fi->fmtimes);
fi->fmodes = _free(fi->fmodes);
fi->fflags = _free(fi->fflags);
fi->vflags = _free(fi->vflags);
fi->fsizes = _free(fi->fsizes);
fi->frdevs = _free(fi->frdevs);
fi->finodes = _free(fi->finodes);
fi->dil = _free(fi->dil);
fi->fcolors = _free(fi->fcolors);
fi->fcdictx = _free(fi->fcdictx);
fi->ddict = _free(fi->ddict);
fi->fddictx = _free(fi->fddictx);
fi->fddictn = _free(fi->fddictn);
}
}
fi->fsm = freeFSM(fi->fsm);
fi->fn = _free(fi->fn);
fi->apath = _free(fi->apath);
fi->fmapflags = _free(fi->fmapflags);
fi->obnl = hfd(fi->obnl, -1);
fi->odnl = hfd(fi->odnl, -1);
fi->fcontexts = hfd(fi->fcontexts, -1);
fi->actions = _free(fi->actions);
fi->replacedSizes = _free(fi->replacedSizes);
fi->replaced = _free(fi->replaced);
fi->h = headerFree(fi->h);
(void) rpmfiUnlink(fi, fi->Type);
memset(fi, 0, sizeof(*fi)); /* XXX trash and burn */
fi = _free(fi);
return NULL;
}
/**
* Convert hex to binary nibble.
* @param c hex character
* @return binary nibble
*/
static inline unsigned char nibble(char c)
{
if (c >= '0' && c <= '9')
return (c - '0');
if (c >= 'A' && c <= 'F')
return (c - 'A') + 10;
if (c >= 'a' && c <= 'f')
return (c - 'a') + 10;
return 0;
}
#define _fdupe(_fi, _data) \
if ((_fi)->_data != NULL) \
(_fi)->_data = memcpy(xmalloc((_fi)->fc * sizeof(*(_fi)->_data)), \
(_fi)->_data, (_fi)->fc * sizeof(*(_fi)->_data))
/* XXX Ick, not SEF. */
#define _fdupestring(_h, _tag, _data) \
if (hge((_h), (_tag), NULL, (void **) &(_data), NULL)) \
_data = xstrdup(_data)
rpmfi rpmfiNew(const rpmts ts, Header h, rpmTag tagN, int scareMem)
{
HGE_t hge =
(scareMem ? (HGE_t) headerGetEntryMinMemory : (HGE_t) headerGetEntry);
HFD_t hfd = headerFreeData;
rpmte p;
rpmfi fi = NULL;
const char * Type;
uint_32 * uip;
int dnlmax, bnlmax;
unsigned char * t;
int len;
int xx;
int i;
if (tagN == RPMTAG_BASENAMES) {
Type = "Files";
} else {
Type = "?Type?";
goto exit;
}
fi = xcalloc(1, sizeof(*fi));
if (fi == NULL) /* XXX can't happen */
goto exit;
fi->magic = RPMFIMAGIC;
fi->Type = Type;
fi->i = -1;
fi->tagN = tagN;
fi->hge = hge;
fi->hae = (HAE_t) headerAddEntry;
fi->hme = (HME_t) headerModifyEntry;
fi->hre = (HRE_t) headerRemoveEntry;
fi->hfd = headerFreeData;
fi->h = (scareMem ? headerLink(h) : NULL);
if (fi->fsm == NULL)
fi->fsm = newFSM();
/* 0 means unknown */
xx = hge(h, RPMTAG_ARCHIVESIZE, NULL, (void **) &uip, NULL);
fi->archivePos = 0;
fi->archiveSize = (xx ? *uip : 0);
/* Extract pre- and post-transaction script and interpreter strings. */
_fdupestring(h, RPMTAG_PRETRANS, fi->pretrans);
_fdupestring(h, RPMTAG_PRETRANSPROG, fi->pretransprog);
_fdupestring(h, RPMTAG_POSTTRANS, fi->posttrans);
_fdupestring(h, RPMTAG_POSTTRANSPROG, fi->posttransprog);
if (!hge(h, RPMTAG_BASENAMES, NULL, (void **) &fi->bnl, &fi->fc)) {
fi->fc = 0;
fi->dc = 0;
goto exit;
}
xx = hge(h, RPMTAG_DIRNAMES, NULL, (void **) &fi->dnl, &fi->dc);
xx = hge(h, RPMTAG_DIRINDEXES, NULL, (void **) &fi->dil, NULL);
xx = hge(h, RPMTAG_FILEMODES, NULL, (void **) &fi->fmodes, NULL);
xx = hge(h, RPMTAG_FILEFLAGS, NULL, (void **) &fi->fflags, NULL);
xx = hge(h, RPMTAG_FILEVERIFYFLAGS, NULL, (void **) &fi->vflags, NULL);
xx = hge(h, RPMTAG_FILESIZES, NULL, (void **) &fi->fsizes, NULL);
xx = hge(h, RPMTAG_FILECOLORS, NULL, (void **) &fi->fcolors, NULL);
fi->color = 0;
if (fi->fcolors != NULL)
for (i = 0; i < fi->fc; i++)
fi->color |= fi->fcolors[i];
xx = hge(h, RPMTAG_CLASSDICT, NULL, (void **) &fi->cdict, &fi->ncdict);
xx = hge(h, RPMTAG_FILECLASS, NULL, (void **) &fi->fcdictx, NULL);
xx = hge(h, RPMTAG_DEPENDSDICT, NULL, (void **) &fi->ddict, &fi->nddict);
xx = hge(h, RPMTAG_FILEDEPENDSX, NULL, (void **) &fi->fddictx, NULL);
xx = hge(h, RPMTAG_FILEDEPENDSN, NULL, (void **) &fi->fddictn, NULL);
xx = hge(h, RPMTAG_FILESTATES, NULL, (void **) &fi->fstates, NULL);
if (xx == 0 || fi->fstates == NULL)
fi->fstates = xcalloc(fi->fc, sizeof(*fi->fstates));
else
_fdupe(fi, fstates);
fi->action = FA_UNKNOWN;
fi->flags = 0;
if (fi->actions == NULL)
fi->actions = xcalloc(fi->fc, sizeof(*fi->actions));
fi->keep_header = (scareMem ? 1 : 0);
/* XXX TR_REMOVED needs CPIO_MAP_{ABSOLUTE,ADDDOT} CPIO_ALL_HARDLINKS */
fi->mapflags =
CPIO_MAP_PATH | CPIO_MAP_MODE | CPIO_MAP_UID | CPIO_MAP_GID;
xx = hge(h, RPMTAG_FILELINKTOS, NULL, (void **) &fi->flinks, NULL);
xx = hge(h, RPMTAG_FILELANGS, NULL, (void **) &fi->flangs, NULL);
fi->fmd5s = NULL;
xx = hge(h, RPMTAG_FILEMD5S, NULL, (void **) &fi->fmd5s, NULL);
fi->md5s = NULL;
if (fi->fmd5s) {
t = xmalloc(fi->fc * 16);
fi->md5s = t;
for (i = 0; i < fi->fc; i++) {
const char * fmd5;
int j;
fmd5 = fi->fmd5s[i];
if (!(fmd5 && *fmd5 != '\0')) {
memset(t, 0, 16);
t += 16;
continue;
}
for (j = 0; j < 16; j++, t++, fmd5 += 2)
*t = (nibble(fmd5[0]) << 4) | nibble(fmd5[1]);
}
fi->fmd5s = hfd(fi->fmd5s, -1);
}
/* XXX TR_REMOVED doesn;t need fmtimes, frdevs, finodes, or fcontexts */
xx = hge(h, RPMTAG_FILEMTIMES, NULL, (void **) &fi->fmtimes, NULL);
xx = hge(h, RPMTAG_FILERDEVS, NULL, (void **) &fi->frdevs, NULL);
xx = hge(h, RPMTAG_FILEINODES, NULL, (void **) &fi->finodes, NULL);
fi->replacedSizes = xcalloc(fi->fc, sizeof(*fi->replacedSizes));
xx = hge(h, RPMTAG_FILEUSERNAME, NULL, (void **) &fi->fuser, NULL);
xx = hge(h, RPMTAG_FILEGROUPNAME, NULL, (void **) &fi->fgroup, NULL);
if (ts != NULL)
if (fi != NULL)
if ((p = rpmtsRelocateElement(ts)) != NULL && rpmteType(p) == TR_ADDED
&& !headerIsEntry(h, RPMTAG_SOURCEPACKAGE)
&& !headerIsEntry(h, RPMTAG_ORIGBASENAMES))
{
const char * fmt = rpmGetPath("%{?_autorelocate_path}", NULL);
const char * errstr;
char * newPath;
Header foo;
/* XXX error handling. */
newPath = headerSprintf(h, fmt, rpmTagTable, rpmHeaderFormats, &errstr);
fmt = _free(fmt);
#if __ia64__
/* XXX On ia64, change leading /emul/ix86 -> /emul/ia32, ick. */
if (newPath != NULL && *newPath != '\0'
&& strlen(newPath) >= (sizeof("/emul/i386")-1)
&& newPath[0] == '/' && newPath[1] == 'e' && newPath[2] == 'm'
&& newPath[3] == 'u' && newPath[4] == 'l' && newPath[5] == '/'
&& newPath[6] == 'i' && newPath[8] == '8' && newPath[9] == '6')
{
newPath[7] = 'a';
newPath[8] = '3';
newPath[9] = '2';
}
#endif
/* XXX Make sure autoreloc is not already specified. */
i = p->nrelocs;
if (newPath != NULL && *newPath != '\0' && p->relocs != NULL)
for (i = 0; i < p->nrelocs; i++) {
/* XXX {old,new}Path might be NULL */
if (strcmp(p->relocs[i].oldPath, "/"))
continue;
if (strcmp(p->relocs[i].newPath, newPath))
continue;
break;
}
/* XXX test for incompatible arch triggering autorelocation is dumb. */
if (newPath != NULL && *newPath != '\0' && i == p->nrelocs
&& p->archScore == 0)
{
p->relocs =
xrealloc(p->relocs, (p->nrelocs + 2) * sizeof(*p->relocs));
p->relocs[p->nrelocs].oldPath = xstrdup("/");
p->relocs[p->nrelocs].newPath = xstrdup(newPath);
p->autorelocatex = p->nrelocs;
p->nrelocs++;
p->relocs[p->nrelocs].oldPath = NULL;
p->relocs[p->nrelocs].newPath = NULL;
}
newPath = _free(newPath);
/* XXX DYING */
if (fi->actions == NULL)
fi->actions = xcalloc(fi->fc, sizeof(*fi->actions));
/* FIX: fi-md5s undefined */
foo = relocateFileList(ts, fi, h, fi->actions);
fi->h = headerFree(fi->h);
fi->h = headerLink(foo);
foo = headerFree(foo);
}
if (!scareMem) {
_fdupe(fi, fmtimes);
_fdupe(fi, frdevs);
_fdupe(fi, finodes);
_fdupe(fi, fsizes);
_fdupe(fi, fflags);
_fdupe(fi, vflags);
_fdupe(fi, fmodes);
_fdupe(fi, dil);
_fdupe(fi, fcolors);
_fdupe(fi, fcdictx);
if (fi->ddict != NULL)
fi->ddict = memcpy(xmalloc(fi->nddict * sizeof(*fi->ddict)),
fi->ddict, fi->nddict * sizeof(*fi->ddict));
_fdupe(fi, fddictx);
_fdupe(fi, fddictn);
fi->h = headerFree(fi->h);
}
dnlmax = -1;
for (i = 0; i < fi->dc; i++) {
if ((len = strlen(fi->dnl[i])) > dnlmax)
dnlmax = len;
}
bnlmax = -1;
for (i = 0; i < fi->fc; i++) {
if ((len = strlen(fi->bnl[i])) > bnlmax)
bnlmax = len;
}
fi->fnlen = dnlmax + bnlmax + 1;
fi->fn = NULL;
fi->dperms = 0755;
fi->fperms = 0644;
exit:
if (_rpmfi_debug < 0)
fprintf(stderr, "*** fi %p\t%s[%d]\n", fi, Type, (fi ? fi->fc : 0));
/* FIX: rpmfi null annotations */
return rpmfiLink(fi, (fi ? fi->Type : NULL));
}
void rpmfiBuildFClasses(Header h,
const char *** fclassp, int * fcp)
{
int scareMem = 0;
rpmfi fi = rpmfiNew(NULL, h, RPMTAG_BASENAMES, scareMem);
const char * FClass;
const char ** av;
int ac;
size_t nb;
char * t;
if ((ac = rpmfiFC(fi)) <= 0) {
av = NULL;
ac = 0;
goto exit;
}
/* Compute size of file class argv array blob. */
nb = (ac + 1) * sizeof(*av);
fi = rpmfiInit(fi, 0);
if (fi != NULL)
while (rpmfiNext(fi) >= 0) {
FClass = rpmfiFClass(fi);
if (FClass && *FClass != '\0')
nb += strlen(FClass);
nb += 1;
}
/* Create and load file class argv array. */
av = xmalloc(nb);
t = ((char *) av) + ((ac + 1) * sizeof(*av));
ac = 0;
fi = rpmfiInit(fi, 0);
if (fi != NULL)
while (rpmfiNext(fi) >= 0) {
FClass = rpmfiFClass(fi);
av[ac++] = t;
if (FClass && *FClass != '\0')
t = stpcpy(t, FClass);
*t++ = '\0';
}
av[ac] = NULL; /* XXX tag arrays are not NULL terminated. */
exit:
fi = rpmfiFree(fi);
if (fclassp)
*fclassp = av;
else
av = _free(av);
if (fcp) *fcp = ac;
}
void rpmfiBuildFDeps(Header h, rpmTag tagN,
const char *** fdepsp, int * fcp)
{
int scareMem = 0;
rpmfi fi = rpmfiNew(NULL, h, RPMTAG_BASENAMES, scareMem);
rpmds ds = NULL;
const char ** av;
int ac;
size_t nb;
char * t;
char deptype = 'R';
char mydt;
const char * DNEVR;
const uint_32 * ddict;
unsigned ix;
int ndx;
if ((ac = rpmfiFC(fi)) <= 0) {
av = NULL;
ac = 0;
goto exit;
}
if (tagN == RPMTAG_PROVIDENAME)
deptype = 'P';
else if (tagN == RPMTAG_REQUIRENAME)
deptype = 'R';
ds = rpmdsNew(h, tagN, scareMem);
/* Compute size of file depends argv array blob. */
nb = (ac + 1) * sizeof(*av);
fi = rpmfiInit(fi, 0);
if (fi != NULL)
while (rpmfiNext(fi) >= 0) {
ddict = NULL;
ndx = rpmfiFDepends(fi, &ddict);
if (ddict != NULL)
while (ndx-- > 0) {
ix = *ddict++;
mydt = ((ix >> 24) & 0xff);
if (mydt != deptype)
continue;
ix &= 0x00ffffff;
(void) rpmdsSetIx(ds, ix-1);
if (rpmdsNext(ds) < 0)
continue;
DNEVR = rpmdsDNEVR(ds);
if (DNEVR != NULL)
nb += strlen(DNEVR+2) + 1;
}
nb += 1;
}
/* Create and load file depends argv array. */
av = xmalloc(nb);
t = ((char *) av) + ((ac + 1) * sizeof(*av));
ac = 0;
fi = rpmfiInit(fi, 0);
if (fi != NULL)
while (rpmfiNext(fi) >= 0) {
av[ac++] = t;
ddict = NULL;
ndx = rpmfiFDepends(fi, &ddict);
if (ddict != NULL)
while (ndx-- > 0) {
ix = *ddict++;
mydt = ((ix >> 24) & 0xff);
if (mydt != deptype)
continue;
ix &= 0x00ffffff;
(void) rpmdsSetIx(ds, ix-1);
if (rpmdsNext(ds) < 0)
continue;
DNEVR = rpmdsDNEVR(ds);
if (DNEVR != NULL) {
t = stpcpy(t, DNEVR+2);
*t++ = ' ';
*t = '\0';
}
}
*t++ = '\0';
}
av[ac] = NULL; /* XXX tag arrays are not NULL terminated. */
exit:
fi = rpmfiFree(fi);
ds = rpmdsFree(ds);
if (fdepsp)
*fdepsp = av;
else
av = _free(av);
if (fcp) *fcp = ac;
}
Reference in New Issue View Git Blame Copy Permalink