rpm/lib/rpmfi.c

1455 lines
37 KiB
C

/** \ingroup rpmdep
* \file lib/rpmfi.c
* Routines to handle file info tag sets.
*/
#include "system.h"
#include <rpm/rpmlog.h>
#include <rpm/rpmts.h>
#include <rpm/rpmfileutil.h> /* XXX rpmDoDigest */
#include <rpm/rpmstring.h>
#include <rpm/rpmmacro.h> /* XXX rpmCleanPath */
#include <rpm/rpmds.h>
#include "lib/rpmfi_internal.h"
#include "lib/rpmte_internal.h" /* relocations */
#include "lib/cpio.h" /* XXX CPIO_FOO */
#include "lib/fsm.h" /* XXX newFSM() */
#include "debug.h"
int _rpmfi_debug = 0;
rpmfi rpmfiUnlink(rpmfi fi, const char * msg)
{
if (fi == NULL) return NULL;
if (_rpmfi_debug && msg != NULL)
fprintf(stderr, "--> fi %p -- %d %s\n", fi, fi->nrefs, msg);
fi->nrefs--;
return NULL;
}
rpmfi rpmfiLink(rpmfi fi, const char * msg)
{
if (fi == NULL) return NULL;
fi->nrefs++;
if (_rpmfi_debug && msg != NULL)
fprintf(stderr, "--> fi %p ++ %d %s\n", fi, fi->nrefs, msg);
return fi;
}
rpm_count_t rpmfiFC(rpmfi fi)
{
return (fi != NULL ? fi->fc : 0);
}
rpm_count_t 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) {
size_t dnlmax = 0, bnlmax = 0, len;
for (int i = 0; i < fi->dc; i++) {
if ((len = strlen(fi->dnl[i])) > dnlmax)
dnlmax = len;
}
for (int i = 0; i < fi->fc; i++) {
if ((len = strlen(fi->bnl[i])) > bnlmax)
bnlmax = len;
}
fi->fn = xmalloc(dnlmax + bnlmax + 1);
}
FN = t = fi->fn;
*t = '\0';
t = stpcpy(t, fi->dnl[fi->dil[fi->i]]);
t = stpcpy(t, fi->bnl[fi->i]);
}
return FN;
}
rpmfileAttrs rpmfiFFlags(rpmfi fi)
{
rpmfileAttrs FFlags = 0;
if (fi != NULL && fi->i >= 0 && fi->i < fi->fc) {
if (fi->fflags != NULL)
FFlags = fi->fflags[fi->i];
}
return FFlags;
}
rpmVerifyAttrs rpmfiVFlags(rpmfi fi)
{
rpmVerifyAttrs VFlags = 0;
if (fi != NULL && fi->i >= 0 && fi->i < fi->fc) {
if (fi->vflags != NULL)
VFlags = fi->vflags[fi->i];
}
return VFlags;
}
rpm_mode_t rpmfiFMode(rpmfi fi)
{
rpm_mode_t 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)
{
const unsigned char *digest;
pgpHashAlgo algo = 0;
digest = rpmfiFDigest(fi, &algo, NULL);
return (algo == PGPHASHALGO_MD5) ? digest : NULL;
}
const unsigned char * rpmfiFDigest(rpmfi fi, pgpHashAlgo *algo, size_t *len)
{
const unsigned char *digest = NULL;
if (fi != NULL && fi->i >= 0 && fi->i < fi->fc) {
size_t diglen = rpmDigestLength(fi->digestalgo);
if (fi->digests != NULL)
digest = fi->digests + (diglen * fi->i);
if (len)
*len = diglen;
if (algo)
*algo = fi->digestalgo;
}
return digest;
}
char * rpmfiFDigestHex(rpmfi fi, pgpHashAlgo *algo)
{
size_t diglen = 0;
char *fdigest = NULL;
const unsigned char *digest = rpmfiFDigest(fi, algo, &diglen);
if (digest) {
fdigest = pgpHexStr(digest, diglen);
}
return fdigest;
}
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;
}
rpm_loff_t rpmfiFSize(rpmfi fi)
{
rpm_loff_t fsize = 0;
if (fi != NULL && fi->i >= 0 && fi->i < fi->fc) {
if (fi->fsizes != NULL)
fsize = fi->fsizes[fi->i];
}
return fsize;
}
rpm_rdev_t rpmfiFRdev(rpmfi fi)
{
rpm_rdev_t frdev = 0;
if (fi != NULL && fi->i >= 0 && fi->i < fi->fc) {
if (fi->frdevs != NULL)
frdev = fi->frdevs[fi->i];
}
return frdev;
}
rpm_ino_t rpmfiFInode(rpmfi fi)
{
rpm_ino_t finode = 0;
if (fi != NULL && fi->i >= 0 && fi->i < fi->fc) {
if (fi->finodes != NULL)
finode = fi->finodes[fi->i];
}
return finode;
}
rpm_color_t rpmfiColor(rpmfi fi)
{
rpm_color_t color = 0;
if (fi != NULL && fi->fcolors != NULL) {
for (int i = 0; i < fi->fc; i++)
color |= fi->fcolors[i];
/* XXX ignore all but lsnibble for now. */
color &= 0xf;
}
return color;
}
rpm_color_t rpmfiFColor(rpmfi fi)
{
rpm_color_t 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;
}
uint32_t rpmfiFDepends(rpmfi fi, const uint32_t ** fddictp)
{
int fddictx = -1;
int fddictn = 0;
const uint32_t * 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;
}
uint32_t rpmfiFNlink(rpmfi fi)
{
uint32_t 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) {
rpm_ino_t finode = fi->finodes[fi->i];
rpm_rdev_t 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;
}
rpm_time_t rpmfiFMtime(rpmfi fi)
{
rpm_time_t 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;
}
const char * rpmfiFCaps(rpmfi fi)
{
const char *fcaps = NULL;
if (fi != NULL && fi->i >= 0 && fi->i < fi->fc) {
fcaps = fi->fcaps ? fi->fcaps[fi->i] : "";
}
return fcaps;
}
rpmFileAction rpmfiFAction(rpmfi fi)
{
rpmFileAction action;
if (fi != NULL && fi->actions != NULL && fi->i >= 0 && fi->i < fi->fc) {
action = fi->actions[fi->i];
} else {
action = fi ? fi->action : FA_UNKNOWN;
}
return action;
}
void rpmfiSetFAction(rpmfi fi, rpmFileAction action)
{
if (fi != NULL && fi->actions != NULL && fi->i >= 0 && fi->i < fi->fc) {
fi->actions[fi->i] = action;
}
}
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 rpmfiWhatis(rpm_mode_t 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 = rpmfiWhatis(rpmfiFMode(afi));
rpmFileTypes bwhat = rpmfiWhatis(rpmfiFMode(bfi));
if ((rpmfiFFlags(afi) & RPMFILE_GHOST) ||
(rpmfiFFlags(bfi) & RPMFILE_GHOST)) return 0;
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) {
size_t adiglen, bdiglen;
pgpHashAlgo aalgo, balgo;
const unsigned char * adigest = rpmfiFDigest(afi, &aalgo, &adiglen);
const unsigned char * bdigest = rpmfiFDigest(bfi, &balgo, &bdiglen);
if (adigest == bdigest) return 0;
if (adigest == NULL) return 1;
if (bdigest == NULL) return -1;
/* can't meaningfully compare different hash types */
if (aalgo != balgo || adiglen != bdiglen) return -1;
return memcmp(adigest, bdigest, adiglen);
}
return 0;
}
rpmFileAction rpmfiDecideFate(const rpmfi ofi, rpmfi nfi, int skipMissing)
{
const char * fn = rpmfiFN(nfi);
rpmfileAttrs 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)) {
rpmlog(RPMLOG_DEBUG, "%s skipped due to missingok flag\n",
fn);
return FA_SKIP;
} else {
return FA_CREATE;
}
}
diskWhat = rpmfiWhatis((rpm_mode_t)sb.st_mode);
dbWhat = rpmfiWhatis(rpmfiFMode(ofi));
newWhat = rpmfiWhatis(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) {
pgpHashAlgo oalgo, nalgo;
size_t odiglen, ndiglen;
const unsigned char * odigest, * ndigest;
odigest = rpmfiFDigest(ofi, &oalgo, &odiglen);
if (diskWhat == REG) {
if (rpmDoDigest(oalgo, fn, 0,
(unsigned char *)buffer, NULL))
return FA_CREATE; /* assume file has been removed */
if (odigest && !memcmp(odigest, buffer, odiglen))
return FA_CREATE; /* unmodified config file, replace. */
}
ndigest = rpmfiFDigest(nfi, &nalgo, &ndiglen);
/* XXX can't compare different hash types, what should we do here? */
if (oalgo != nalgo || odiglen != ndiglen)
return FA_CREATE;
if (odigest && ndigest && !memcmp(odigest, ndigest, odiglen))
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);
rpmfileAttrs flags = rpmfiFFlags(fi);
char buffer[1024];
rpmFileTypes newWhat, diskWhat;
struct stat sb;
if (!(flags & RPMFILE_CONFIG) || lstat(fn, &sb)) {
return 0;
}
diskWhat = rpmfiWhatis((rpm_mode_t)sb.st_mode);
newWhat = rpmfiWhatis(rpmfiFMode(fi));
if (newWhat != LINK && newWhat != REG)
return 1;
if (diskWhat != newWhat)
return 1;
memset(buffer, 0, sizeof(buffer));
if (newWhat == REG) {
pgpHashAlgo algo;
size_t diglen;
const unsigned char *ndigest = rpmfiFDigest(fi, &algo, &diglen);
if (rpmDoDigest(algo, fn, 0, (unsigned char *)buffer, NULL))
return 0; /* assume file has been removed */
if (ndigest && !memcmp(ndigest, buffer, diglen))
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 "???";
}
}
static char **duparray(char ** src, int size)
{
char **dest = xmalloc((size+1) * sizeof(*dest));
for (int i = 0; i < size; i++) {
dest[i] = xstrdup(src[i]);
}
free(src);
return dest;
}
/**
* 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, rpmFileAction * actions)
{
rpmte p = rpmtsRelocateElement(ts);
static int _printed = 0;
int allowBadRelocate = (rpmtsFilterFlags(ts) & RPMPROB_FILTER_FORCERELOCATE);
rpmRelocation * relocations = NULL;
int numRelocations;
char ** baseNames;
char ** dirNames;
uint32_t * dirIndexes;
uint32_t * newDirIndexes;
rpm_count_t fileCount, dirCount, numValid = 0;
rpm_color_t * fColors = NULL;
rpm_color_t * dColors = NULL;
rpm_mode_t * fModes = NULL;
Header h;
int nrelocated = 0;
int fileAlloced = 0;
char * fn = NULL;
int haveRelocatedBase = 0;
int reldel = 0;
int len;
int i, j;
struct rpmtd_s validRelocs;
struct rpmtd_s bnames, dnames, dindexes, fcolors, fmodes;
if (headerGet(origH, RPMTAG_PREFIXES, &validRelocs, HEADERGET_MINMEM))
numValid = rpmtdCount(&validRelocs);
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)) {
rpmtdSetTag(&validRelocs, RPMTAG_INSTPREFIXES);
headerPut(origH, &validRelocs, HEADERPUT_DEFAULT);
}
rpmtdFreeData(&validRelocs);
}
/* XXX FIXME multilib file actions need to be checked. */
return headerLink(origH);
}
h = headerLink(origH);
relocations = xmalloc(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 = xstrdup(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;
int valid = 0;
const char *validprefix;
t = xstrdup(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. */
rpmtdInit(&validRelocs);
while ((validprefix = rpmtdNextString(&validRelocs))) {
if (strcmp(validprefix, relocations[i].oldPath) == 0) {
valid = 1;
break;
}
}
/* XXX actions check prevents problem from being appended twice. */
if (!valid && !allowBadRelocate && actions) {
rpmps ps = rpmtsProblems(ts);
rpmpsAppend(ps, RPMPROB_BADRELOCATE,
rpmteNEVRA(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;
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);
}
}
/* Add relocation values to the header */
if (numValid) {
const char *validprefix;
const char ** actualRelocations;
rpm_count_t numActual;
actualRelocations = xmalloc(numValid * sizeof(*actualRelocations));
numActual = 0;
rpmtdInit(&validRelocs);
while ((validprefix = rpmtdNextString(&validRelocs))) {
for (j = 0; j < numRelocations; j++) {
if (relocations[j].oldPath == NULL || /* XXX can't happen */
strcmp(validprefix, 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] = validprefix;
numActual++;
}
}
if (numActual) {
headerPutStringArray(h, RPMTAG_INSTPREFIXES,
actualRelocations, numActual);
}
actualRelocations = _free(actualRelocations);
rpmtdFreeData(&validRelocs);
}
headerGet(h, RPMTAG_BASENAMES, &bnames, fi->scareFlags);
headerGet(h, RPMTAG_DIRINDEXES, &dindexes, fi->scareFlags);
headerGet(h, RPMTAG_DIRNAMES, &dnames, fi->scareFlags);
headerGet(h, RPMTAG_FILECOLORS, &fcolors, fi->scareFlags);
headerGet(h, RPMTAG_FILEMODES, &fmodes, fi->scareFlags);
/* TODO XXX ugh.. use rpmtd iterators & friends instead */
baseNames = bnames.data;
dirIndexes = dindexes.data;
fColors = fcolors.data;
fModes = fmodes.data;
fileCount = rpmtdCount(&bnames);
dirCount = rpmtdCount(&dnames);
/* XXX TODO: use rpmtdDup() instead */
dirNames = dnames.data = duparray(dnames.data, dirCount);
dnames.flags |= RPMTD_PTR_ALLOCED;
dColors = xcalloc(dirCount, sizeof(*dColors));
newDirIndexes = xmalloc(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 = rpmfiWhatis(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;
rpmlog(RPMLOG_DEBUG, "excluding %s %s\n",
ftstring(ft), fn);
}
continue;
}
/* Relocation on full paths only, please. */
if (fnlen != len) continue;
if (actions)
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 (strcmp(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 (strncmp(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;
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 */
char *t = NULL;
rstrscat(&t, relocations[j].newPath, (dirNames[i] + len), NULL);
/* Unfortunatly rpmCleanPath strips the trailing slash.. */
(void) rpmCleanPath(t);
rstrcat(&t, "/");
if (actions)
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) {
struct rpmtd_s td;
headerGet(h, RPMTAG_BASENAMES, &td, HEADERGET_MINMEM);
rpmtdSetTag(&td, RPMTAG_ORIGBASENAMES);
headerPut(h, &td, HEADERPUT_DEFAULT);
rpmtdFreeData(&td);
headerGet(h, RPMTAG_DIRNAMES, &td, HEADERGET_MINMEM);
rpmtdSetTag(&td, RPMTAG_ORIGDIRNAMES);
headerPut(h, &td, HEADERPUT_DEFAULT);
rpmtdFreeData(&td);
headerGet(h, RPMTAG_DIRINDEXES, &td, HEADERGET_MINMEM);
rpmtdSetTag(&td, RPMTAG_ORIGDIRINDEXES);
headerPut(h, &td, HEADERPUT_DEFAULT);
rpmtdFreeData(&td);
if (rpmtdFromStringArray(&td, RPMTAG_BASENAMES, (const char**) baseNames, fileCount)) {
headerMod(h, &td);
}
free(fi->bnl);
headerGet(h, RPMTAG_BASENAMES, &td, fi->scareFlags);
fi->fc = rpmtdCount(&td);
fi->bnl = td.data;
if (rpmtdFromStringArray(&td, RPMTAG_DIRNAMES, (const char**) dirNames, dirCount)) {
headerMod(h, &td);
}
free(fi->dnl);
headerGet(h, RPMTAG_DIRNAMES, &td, fi->scareFlags);
fi->dc = rpmtdCount(&td);
fi->dnl = td.data;
if (rpmtdFromUint32(&td, RPMTAG_DIRINDEXES, dirIndexes, fileCount)) {
headerMod(h, &td);
}
headerGet(h, RPMTAG_DIRINDEXES, &td, fi->scareFlags);
/* Ugh, nasty games with how dil is alloced depending on scareMem */
if (fi->scareFlags & HEADERGET_ALLOC)
free(fi->dil);
fi->dil = td.data;
}
rpmtdFreeData(&bnames);
rpmtdFreeData(&dnames);
rpmtdFreeData(&dindexes);
rpmtdFreeData(&fcolors);
rpmtdFreeData(&fmodes);
free(fn);
for (i = 0; i < numRelocations; i++) {
free(relocations[i].oldPath);
free(relocations[i].newPath);
}
free(relocations);
free(newDirIndexes);
free(dColors);
return h;
}
rpmfi rpmfiFree(rpmfi fi)
{
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);
if (fi->fc > 0) {
fi->bnl = _free(fi->bnl);
fi->dnl = _free(fi->dnl);
fi->flinks = _free(fi->flinks);
fi->flangs = _free(fi->flangs);
fi->digests = _free(fi->digests);
fi->fcaps = _free(fi->fcaps);
fi->cdict = _free(fi->cdict);
fi->fuser = _free(fi->fuser);
fi->fgroup = _free(fi->fgroup);
fi->fstates = _free(fi->fstates);
if (!fi->keep_header && fi->h == NULL) {
fi->fmtimes = _constfree(fi->fmtimes);
fi->fmodes = _free(fi->fmodes);
fi->fflags = _constfree(fi->fflags);
fi->vflags = _constfree(fi->vflags);
fi->fsizes = _constfree(fi->fsizes);
fi->frdevs = _constfree(fi->frdevs);
fi->finodes = _constfree(fi->finodes);
fi->dil = _free(fi->dil);
fi->fcolors = _constfree(fi->fcolors);
fi->fcdictx = _constfree(fi->fcdictx);
fi->ddict = _constfree(fi->ddict);
fi->fddictx = _constfree(fi->fddictx);
fi->fddictn = _constfree(fi->fddictn);
}
}
fi->fsm = freeFSM(fi->fsm);
fi->fn = _free(fi->fn);
fi->apath = _free(fi->apath);
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;
}
#define _hgfi(_h, _tag, _td, _flags, _data) \
if (headerGet((_h), (_tag), (_td), (_flags))) \
_data = (td.data)
rpmfi rpmfiNew(const rpmts ts, Header h, rpmTag tagN, rpmfiFlags flags)
{
rpmte p;
rpmfi fi = NULL;
const char * Type;
rpm_loff_t *asize = NULL;
unsigned char * t;
cpioMapFlags mapflags;
int isBuild, isSource;
struct rpmtd_s fdigests, digalgo;
struct rpmtd_s td;
headerGetFlags scareFlags = (flags & RPMFI_KEEPHEADER) ?
HEADERGET_MINMEM : HEADERGET_ALLOC;
headerGetFlags defFlags = HEADERGET_ALLOC;
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->record = headerGetInstance(h);
fi->scareFlags = scareFlags;
fi->keep_header = (flags & RPMFI_KEEPHEADER);
fi->h = fi->keep_header ? headerLink(h) : NULL;
if (headerGet(h, RPMTAG_LONGARCHIVESIZE, &td, HEADERGET_EXT)) {
asize = rpmtdGetUint64(&td);
}
/* 0 means unknown */
fi->archiveSize = asize ? *asize : 0;
rpmtdFreeData(&td);
/* Archive size is not set when this gets called from build */
isBuild = (asize == NULL);
isSource = headerIsSource(h);
/* See if we have pre/posttrans scripts. */
fi->transscripts |= (headerIsEntry(h, RPMTAG_PRETRANS) &&
headerIsEntry(h, RPMTAG_PRETRANSPROG)) ?
RPMFI_HAVE_PRETRANS : 0;
fi->transscripts |= (headerIsEntry(h, RPMTAG_POSTTRANS) &&
headerIsEntry(h, RPMTAG_POSTTRANSPROG)) ?
RPMFI_HAVE_POSTTRANS : 0;
_hgfi(h, RPMTAG_BASENAMES, &td, defFlags, fi->bnl);
fi->fc = rpmtdCount(&td);
if (fi->fc == 0) {
goto exit;
}
_hgfi(h, RPMTAG_DIRNAMES, &td, defFlags, fi->dnl);
fi->dc = rpmtdCount(&td);
_hgfi(h, RPMTAG_DIRINDEXES, &td, scareFlags, fi->dil);
_hgfi(h, RPMTAG_FILEMODES, &td, scareFlags, fi->fmodes);
_hgfi(h, RPMTAG_FILEFLAGS, &td, scareFlags, fi->fflags);
_hgfi(h, RPMTAG_FILEVERIFYFLAGS, &td, scareFlags, fi->vflags);
_hgfi(h, RPMTAG_FILESIZES, &td, scareFlags, fi->fsizes);
_hgfi(h, RPMTAG_FILECOLORS, &td, scareFlags, fi->fcolors);
if (!(flags & RPMFI_NOFILECLASS)) {
_hgfi(h, RPMTAG_CLASSDICT, &td, scareFlags, fi->cdict);
fi->ncdict = rpmtdCount(&td);
_hgfi(h, RPMTAG_FILECLASS, &td, scareFlags, fi->fcdictx);
}
if (!(flags & RPMFI_NOFILEDEPS)) {
_hgfi(h, RPMTAG_DEPENDSDICT, &td, scareFlags, fi->ddict);
fi->nddict = rpmtdCount(&td);
_hgfi(h, RPMTAG_FILEDEPENDSX, &td, scareFlags, fi->fddictx);
_hgfi(h, RPMTAG_FILEDEPENDSN, &td, scareFlags, fi->fddictn);
}
/* XXX States not needed by TR_REMOVED */
_hgfi(h, RPMTAG_FILESTATES, &td, defFlags, fi->fstates);
if (fi->fstates == NULL) {
fi->fstates = xmalloc(sizeof(*fi->fstates) * fi->fc);
/* XXX means we show state "normal" when package not even installed */
memset(fi->fstates, RPMFILE_STATE_NORMAL, fi->fc);
}
_hgfi(h, RPMTAG_FILECAPS, &td, defFlags, fi->fcaps);
fi->action = FA_UNKNOWN;
fi->flags = 0;
/* For build and src.rpm's the file actions are known at this point */
fi->actions = xcalloc(fi->fc, sizeof(*fi->actions));
if (isBuild) {
for (int i = 0; i < fi->fc; i++) {
int ghost = fi->fflags[i] & RPMFILE_GHOST;
fi->actions[i] = ghost ? FA_SKIP : FA_COPYOUT;
}
} else if (isSource) {
for (int i = 0; i < fi->fc; i++) {
fi->actions[i] = FA_CREATE;
}
}
/* XXX TR_REMOVED needs CPIO_MAP_{ABSOLUTE,ADDDOT} CPIO_ALL_HARDLINKS */
/* Figure out mapflags:
* - path, mode, uid and gid are used by everything
* - all binary packages get SBIT_CHECK set
* - if archive size is not known, we're only building this package,
* different rules apply
*/
mapflags = CPIO_MAP_PATH | CPIO_MAP_MODE | CPIO_MAP_UID | CPIO_MAP_GID;
if (isBuild) {
mapflags |= CPIO_MAP_TYPE;
if (isSource) mapflags |= CPIO_FOLLOW_SYMLINKS;
} else {
if (!isSource) mapflags |= CPIO_SBIT_CHECK;
}
fi->fsm = newFSM(mapflags);
_hgfi(h, RPMTAG_FILELINKTOS, &td, defFlags, fi->flinks);
if (!(flags & RPMFI_NOFILELANGS)) {
_hgfi(h, RPMTAG_FILELANGS, &td, defFlags, fi->flangs);
}
/* See if the package has non-md5 file digests */
fi->digestalgo = PGPHASHALGO_MD5;
if (headerGet(h, RPMTAG_FILEDIGESTALGO, &digalgo, HEADERGET_MINMEM)) {
pgpHashAlgo *algo = rpmtdGetUint32(&digalgo);
/* Hmm, what to do with unknown digest algorithms? */
if (algo && rpmDigestLength(*algo) != 0) {
fi->digestalgo = *algo;
}
}
fi->digests = NULL;
/* grab hex digests from header and store in binary format */
if (headerGet(h, RPMTAG_FILEDIGESTS, &fdigests, HEADERGET_MINMEM)) {
const char *fdigest;
size_t diglen = rpmDigestLength(fi->digestalgo);
fi->digests = t = xmalloc(rpmtdCount(&fdigests) * diglen);
while ((fdigest = rpmtdNextString(&fdigests))) {
if (!(fdigest && *fdigest != '\0')) {
memset(t, 0, diglen);
t += diglen;
continue;
}
for (int j = 0; j < diglen; j++, t++, fdigest += 2)
*t = (rnibble(fdigest[0]) << 4) | rnibble(fdigest[1]);
}
rpmtdFreeData(&fdigests);
}
/* XXX TR_REMOVED doesn;t need fmtimes, frdevs, finodes */
_hgfi(h, RPMTAG_FILEMTIMES, &td, scareFlags, fi->fmtimes);
_hgfi(h, RPMTAG_FILERDEVS, &td, scareFlags, fi->frdevs);
_hgfi(h, RPMTAG_FILEINODES, &td, scareFlags, fi->finodes);
fi->replacedSizes = xcalloc(fi->fc, sizeof(*fi->replacedSizes));
if (!(flags & RPMFI_NOFILEOWNER)) {
_hgfi(h, RPMTAG_FILEUSERNAME, &td, defFlags, fi->fuser);
_hgfi(h, RPMTAG_FILEGROUPNAME, &td, defFlags, fi->fgroup);
}
if (ts != NULL)
if (fi != NULL)
if ((p = rpmtsRelocateElement(ts)) != NULL && rpmteType(p) == TR_ADDED
&& !headerIsSource(h)
&& !headerIsEntry(h, RPMTAG_ORIGBASENAMES))
{
Header foo;
/* FIX: fi-digests undefined */
foo = relocateFileList(ts, fi, h, fi->actions);
fi->h = headerFree(fi->h);
fi->h = headerLink(foo);
foo = headerFree(foo);
}
if (!fi->keep_header) {
fi->h = headerFree(fi->h);
}
/* lazily alloced from rpmfiFN() */
fi->fn = NULL;
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));
}
rpmfi rpmfiUpdateState(rpmfi fi, rpmts ts, rpmte p)
{
char * fstates = fi->fstates;
rpmFileAction * actions = fi->actions;
sharedFileInfo replaced = fi->replaced;
rpmte savep;
int numShared = 0;
if (replaced != NULL) {
for (; replaced->otherPkg; replaced++) {
numShared++;
}
if (numShared > 0) {
replaced = xcalloc(numShared + 1, sizeof(*fi->replaced));
memcpy(replaced, fi->replaced,
sizeof(*fi->replaced) * (numShared + 1));
}
}
fi->fstates = NULL;
fi->actions = NULL;
fi->replaced = NULL;
/* FIX: fi->actions is NULL */
fi = rpmfiFree(fi);
savep = rpmtsSetRelocateElement(ts, p);
fi = rpmfiNew(ts, p->h, RPMTAG_BASENAMES, RPMFI_KEEPHEADER);
(void) rpmtsSetRelocateElement(ts, savep);
if (fi != NULL) { /* XXX can't happen */
fi->te = p;
free(fi->fstates);
fi->fstates = fstates;
free(fi->actions);
fi->actions = actions;
if (replaced != NULL)
fi->replaced = replaced;
p->fi = fi;
}
return fi;
}