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rpm/lib/rpmfi.c

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/** \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 <errno.h>
#include "lib/rpmfi_internal.h"
#include "lib/rpmte_internal.h" /* relocations */
#include "lib/cpio.h" /* XXX CPIO_FOO */
#include "lib/fsm.h" /* rpmpsm stuff for now */
#include "lib/rpmug.h"
#include "rpmio/rpmio_internal.h" /* fdInit/FiniDigest */
#include "debug.h"
struct hardlinks_s {
int nlink;
int files[];
};
typedef struct hardlinks_s * hardlinks_t;
#undef HASHTYPE
#undef HTKEYTYPE
#undef HTDATATYPE
#define HASHTYPE nlinkHash
#define HTKEYTYPE int
#define HTDATATYPE struct hardlinks_s *
#include "lib/rpmhash.H"
#include "lib/rpmhash.C"
#undef HASHTYPE
#undef HTKEYTYPE
#undef HTDATATYPE
typedef int (*iterfunc)(rpmfi fi);
struct rpmfi_s {
int i; /*!< Current file index. */
int j; /*!< Current directory index. */
iterfunc next; /*!< Iterator function. */
char * fn; /*!< File name buffer. */
char * ofn; /*!< Original file name buffer. */
int intervalStart; /*!< Start of iterating interval. */
int intervalEnd; /*!< End of iterating interval. */
rpmfiles files; /*!< File info set */
rpmcpio_t archive; /*!< Archive with payload */
unsigned char * found; /*!< Bit field of files found in the archive */
int nrefs; /*!< Reference count */
};
struct rpmfn_s {
rpm_count_t dc; /*!< No. of directories. */
rpm_count_t fc; /*!< No. of files. */
rpmsid * bnid; /*!< Index to base name(s) (pool) */
rpmsid * dnid; /*!< Index to directory name(s) (pool) */
uint32_t * dil; /*!< Directory indice(s) (from header) */
};
typedef struct rpmfn_s * rpmfn;
/**
* A package filename set.
*/
struct rpmfiles_s {
Header h; /*!< Header for file info set (or NULL) */
rpmstrPool pool; /*!< String pool of this file info set */
struct rpmfn_s fndata; /*!< File name data */
struct rpmfn_s *ofndata; /*!< Original file name data */
rpmsid * flinks; /*!< Index to file link(s) (pool) */
rpm_flag_t * fflags; /*!< File flag(s) (from header) */
rpm_off_t * fsizes; /*!< File size(s) (from header) */
rpm_loff_t * lfsizes; /*!< File size(s) (from header) */
rpm_time_t * fmtimes; /*!< File modification time(s) (from header) */
rpm_mode_t * fmodes; /*!< File mode(s) (from header) */
rpm_rdev_t * frdevs; /*!< File rdev(s) (from header) */
rpm_ino_t * finodes; /*!< File inodes(s) (from header) */
rpmsid * fuser; /*!< Index to file owner(s) (misc pool) */
rpmsid * fgroup; /*!< Index to file group(s) (misc pool) */
rpmsid * flangs; /*!< Index to file lang(s) (misc pool) */
char * fstates; /*!< File state(s) (from header) */
rpm_color_t * fcolors; /*!< File color bits (header) */
char ** fcaps; /*!< File capability strings (header) */
char ** cdict; /*!< File class dictionary (header) */
rpm_count_t ncdict; /*!< No. of class entries. */
uint32_t * fcdictx; /*!< File class dictionary index (header) */
uint32_t * ddict; /*!< File depends dictionary (header) */
rpm_count_t nddict; /*!< No. of depends entries. */
uint32_t * fddictx; /*!< File depends dictionary start (header) */
uint32_t * fddictn; /*!< File depends dictionary count (header) */
rpm_flag_t * vflags; /*!< File verify flag(s) (from header) */
rpmfiFlags fiflags; /*!< file info set control flags */
struct fingerPrint_s * fps; /*!< File fingerprint(s). */
int digestalgo; /*!< File digest algorithm */
int signaturelength; /*!< File signature length */
unsigned char * digests; /*!< File digests in binary. */
unsigned char * signatures; /*!< File signatures in binary. */
struct nlinkHash_s * nlinks;/*!< Files connected by hardlinks */
rpm_off_t * replacedSizes; /*!< (TR_ADDED) */
rpm_loff_t * replacedLSizes;/*!< (TR_ADDED) */
int magic;
int nrefs; /*!< Reference count. */
};
static int indexSane(rpmtd xd, rpmtd yd, rpmtd zd);
static int cmpPoolFn(rpmstrPool pool, rpmfn files, int ix, const char * fn);
static rpmfiles rpmfilesUnlink(rpmfiles fi)
{
if (fi)
fi->nrefs--;
return NULL;
}
rpmfiles rpmfilesLink(rpmfiles fi)
{
if (fi)
fi->nrefs++;
return fi;
}
static rpmfi rpmfiUnlink(rpmfi fi)
{
if (fi)
fi->nrefs--;
return NULL;
}
rpmfi rpmfiLink(rpmfi fi)
{
if (fi)
fi->nrefs++;
return fi;
}
/*
* Collect and validate file path data from header.
* Return the number of files found (could be none) or -1 on error.
*/
static int rpmfnInit(rpmfn fndata, rpmTagVal bntag, Header h, rpmstrPool pool)
{
struct rpmtd_s bn, dn, dx;
rpmTagVal dntag, ditag;
int rc = 0;
if (bntag == RPMTAG_BASENAMES) {
dntag = RPMTAG_DIRNAMES;
ditag = RPMTAG_DIRINDEXES;
} else if (bntag == RPMTAG_ORIGBASENAMES) {
dntag = RPMTAG_ORIGDIRNAMES;
ditag = RPMTAG_ORIGDIRINDEXES;
} else {
return -1;
}
/* Grab and validate file triplet data (if there is any) */
if (headerGet(h, bntag, &bn, HEADERGET_MINMEM)) {
headerGet(h, dntag, &dn, HEADERGET_MINMEM);
headerGet(h, ditag, &dx, HEADERGET_ALLOC);
if (indexSane(&bn, &dn, &dx)) {
/* Init the file triplet data */
fndata->fc = rpmtdCount(&bn);
fndata->dc = rpmtdCount(&dn);
fndata->bnid = rpmtdToPool(&bn, pool);
fndata->dnid = rpmtdToPool(&dn, pool);
/* Steal index data from the td (pooh...) */
fndata->dil = dx.data;
dx.data = NULL;
rc = fndata->fc;
} else {
memset(fndata, 0, sizeof(*fndata));
rc = -1;
}
rpmtdFreeData(&bn);
rpmtdFreeData(&dn);
rpmtdFreeData(&dx);
}
return rc;
}
static void rpmfnClear(rpmfn fndata)
{
if (fndata) {
free(fndata->bnid);
free(fndata->dnid);
free(fndata->dil);
memset(fndata, 0, sizeof(*fndata));
}
}
static rpm_count_t rpmfnFC(rpmfn fndata)
{
return (fndata != NULL) ? fndata->fc :0;
}
static rpm_count_t rpmfnDC(rpmfn fndata)
{
return (fndata != NULL) ? fndata->dc : 0;
}
static int rpmfnDI(rpmfn fndata, int ix)
{
int j = -1;
if (ix >= 0 && ix < rpmfnFC(fndata)) {
if (fndata->dil != NULL)
j = fndata->dil[ix];
}
return j;
}
static rpmsid rpmfnBNId(rpmfn fndata, int ix)
{
rpmsid id = 0;
if (ix >= 0 && ix < rpmfnFC(fndata)) {
if (fndata->bnid != NULL)
id = fndata->bnid[ix];
}
return id;
}
static rpmsid rpmfnDNId(rpmfn fndata, int ix)
{
rpmsid id = 0;
if (ix >= 0 && ix < rpmfnDC(fndata)) {
if (fndata->dnid != NULL)
id = fndata->dnid[ix];
}
return id;
}
static const char * rpmfnBN(rpmstrPool pool, rpmfn fndata, int ix)
{
return rpmstrPoolStr(pool, rpmfnBNId(fndata, ix));
}
static const char * rpmfnDN(rpmstrPool pool, rpmfn fndata, int ix)
{
return rpmstrPoolStr(pool, rpmfnDNId(fndata, ix));
}
static char * rpmfnFN(rpmstrPool pool, rpmfn fndata, int ix)
{
char *fn = NULL;
if (ix >= 0 && ix < rpmfnFC(fndata)) {
fn = rstrscat(NULL, rpmfnDN(pool, fndata, rpmfnDI(fndata, ix)),
rpmfnBN(pool, fndata, ix), NULL);
}
return fn;
}
rpm_count_t rpmfilesFC(rpmfiles fi)
{
return (fi != NULL ? rpmfnFC(&fi->fndata) : 0);
}
rpm_count_t rpmfilesDC(rpmfiles fi)
{
return (fi != NULL ? rpmfnDC(&fi->fndata) : 0);
}
int rpmfilesDigestAlgo(rpmfiles fi)
{
return (fi != NULL) ? fi->digestalgo : 0;
}
rpm_count_t rpmfiFC(rpmfi fi)
{
return (fi != NULL ? rpmfilesFC(fi->files) : 0);
}
rpm_count_t rpmfiDC(rpmfi fi)
{
return (fi != NULL ? rpmfilesDC(fi->files) : 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 < rpmfilesFC(fi->files)) {
i = fi->i;
fi->i = fx;
fi->j = rpmfilesDI(fi->files, 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 < rpmfiDC(fi)) {
j = fi->j;
fi->j = dx;
}
return j;
}
int rpmfilesDI(rpmfiles fi, int ix)
{
return (fi != NULL) ? rpmfnDI(&fi->fndata, ix) : -1;
}
int rpmfilesODI(rpmfiles fi, int ix)
{
return (fi != NULL) ? rpmfnDI(fi->ofndata, ix) : -1;
}
rpmsid rpmfilesBNId(rpmfiles fi, int ix)
{
return (fi != NULL) ? rpmfnBNId(&fi->fndata, ix) : 0;
}
rpmsid rpmfilesOBNId(rpmfiles fi, int ix)
{
return (fi != NULL) ? rpmfnBNId(fi->ofndata, ix) : 0;
}
rpmsid rpmfilesDNId(rpmfiles fi, int jx)
{
return (fi != NULL) ? rpmfnDNId(&fi->fndata, jx) : 0;
}
rpmsid rpmfilesODNId(rpmfiles fi, int jx)
{
return (fi != NULL) ? rpmfnDNId(fi->ofndata, jx) : 0;
}
const char * rpmfilesBN(rpmfiles fi, int ix)
{
return (fi != NULL) ? rpmfnBN(fi->pool, &fi->fndata, ix) : NULL;
}
const char * rpmfilesOBN(rpmfiles fi, int ix)
{
return (fi != NULL) ? rpmstrPoolStr(fi->pool, rpmfilesOBNId(fi, ix)) : NULL;
}
const char * rpmfilesDN(rpmfiles fi, int jx)
{
return (fi != NULL) ? rpmfnDN(fi->pool, &fi->fndata, jx) : NULL;
}
const char * rpmfilesODN(rpmfiles fi, int jx)
{
return (fi != NULL) ? rpmstrPoolStr(fi->pool, rpmfilesODNId(fi, jx)) : NULL;
}
char * rpmfilesFN(rpmfiles fi, int ix)
{
return (fi != NULL) ? rpmfnFN(fi->pool, &fi->fndata, ix) : NULL;
}
char * rpmfilesOFN(rpmfiles fi, int ix)
{
return (fi != NULL) ? rpmfnFN(fi->pool, fi->ofndata, ix) : NULL;
}
/* Fn is expected to be relative path, convert directory to relative too */
static int cmpPoolFn(rpmstrPool pool, rpmfn files, int ix, const char * fn)
{
rpmsid dnid = rpmfnDNId(files, rpmfnDI(files, ix));
const char *dn = rpmstrPoolStr(pool, dnid);
const char *reldn = (dn[0] == '/') ? dn + 1 : dn;
size_t l = strlen(reldn);
int cmp = strncmp(reldn, fn, l);
if (cmp == 0)
cmp = strcmp(rpmfnBN(pool, files, ix), fn + l);
return cmp;
}
static int rpmfnFindFN(rpmstrPool pool, rpmfn files, const char * fn)
{
int fc = rpmfnFC(files);
/*
* Skip payload prefix, turn absolute paths into relative. This
* allows handling binary rpm payloads with and without ./ prefix and
* srpm payloads which only contain basenames.
*/
if (fn[0] == '.' && fn[1] == '/')
fn += 2;
if (fn[0] == '/')
fn += 1;
/* try binary search */
int lo = 0;
int hi = fc;
int mid, cmp;
while (hi > lo) {
mid = (hi + lo) / 2 ;
cmp = cmpPoolFn(pool, files, mid, fn);
if (cmp < 0) {
lo = mid+1;
} else if (cmp > 0) {
hi = mid;
} else {
return mid;
}
}
/* not found: try linear search */
for (int i=0; i < fc; i++) {
if (cmpPoolFn(pool, files, mid, fn) == 0)
return i;
}
return -1;
}
int rpmfilesFindFN(rpmfiles files, const char * fn)
{
return (files && fn) ? rpmfnFindFN(files->pool, &files->fndata, fn) : -1;
}
int rpmfilesFindOFN(rpmfiles files, const char * fn)
{
return (files && fn) ? rpmfnFindFN(files->pool, files->ofndata, fn) : -1;
}
int rpmfiFindFN(rpmfi fi, const char * fn)
{
int ix = -1;
if (fi != NULL) {
ix = rpmfilesFindFN(fi->files, fn);
}
return ix;
}
int rpmfiFindOFN(rpmfi fi, const char * fn)
{
int ix = -1;
if (fi != NULL) {
ix = rpmfilesFindOFN(fi->files, fn);
}
return ix;
}
static int cmpPfx(rpmfiles files, int ix, const char *pfx)
{
int plen = strlen(pfx);
return strncmp(pfx, rpmfilesDN(files, rpmfilesDI(files, ix)), plen);
}
rpmfileAttrs rpmfilesFFlags(rpmfiles fi, int ix)
{
rpmfileAttrs FFlags = 0;
if (fi != NULL && ix >= 0 && ix < rpmfilesFC(fi)) {
if (fi->fflags != NULL)
FFlags = fi->fflags[ix];
}
return FFlags;
}
rpmVerifyAttrs rpmfilesVFlags(rpmfiles fi, int ix)
{
rpmVerifyAttrs VFlags = 0;
if (fi != NULL && ix >= 0 && ix < rpmfilesFC(fi)) {
if (fi->vflags != NULL)
VFlags = fi->vflags[ix];
}
return VFlags;
}
rpm_mode_t rpmfilesFMode(rpmfiles fi, int ix)
{
rpm_mode_t fmode = 0;
if (fi != NULL && ix >= 0 && ix < rpmfilesFC(fi)) {
if (fi->fmodes != NULL)
fmode = fi->fmodes[ix];
}
return fmode;
}
rpmfileState rpmfilesFState(rpmfiles fi, int ix)
{
rpmfileState fstate = RPMFILE_STATE_MISSING;
if (fi != NULL && ix >= 0 && ix < rpmfilesFC(fi)) {
if (fi->fstates != NULL)
fstate = fi->fstates[ix];
}
return fstate;
}
int rpmfiDigestAlgo(rpmfi fi)
{
return fi ? rpmfilesDigestAlgo(fi->files) : 0;
}
const unsigned char * rpmfilesFDigest(rpmfiles fi, int ix, int *algo, size_t *len)
{
const unsigned char *digest = NULL;
if (fi != NULL && ix >= 0 && ix < rpmfilesFC(fi)) {
size_t diglen = rpmDigestLength(fi->digestalgo);
if (fi->digests != NULL)
digest = fi->digests + (diglen * ix);
if (len)
*len = diglen;
if (algo)
*algo = fi->digestalgo;
}
return digest;
}
char * rpmfiFDigestHex(rpmfi fi, int *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 unsigned char * rpmfilesFSignature(rpmfiles fi, int ix, size_t *len)
{
const unsigned char *signature = NULL;
if (fi != NULL && ix >= 0 && ix < rpmfilesFC(fi)) {
if (fi->signatures != NULL)
signature = fi->signatures + (fi->signaturelength * ix);
if (len)
*len = fi->signaturelength;
}
return signature;
}
const char * rpmfilesFLink(rpmfiles fi, int ix)
{
const char * flink = NULL;
if (fi != NULL && ix >= 0 && ix < rpmfilesFC(fi)) {
if (fi->flinks != NULL)
flink = rpmstrPoolStr(fi->pool, fi->flinks[ix]);
}
return flink;
}
rpm_loff_t rpmfilesFSize(rpmfiles fi, int ix)
{
rpm_loff_t fsize = 0;
if (fi != NULL && ix >= 0 && ix < rpmfilesFC(fi)) {
if (fi->fsizes != NULL)
fsize = fi->fsizes[ix];
else if (fi->lfsizes != NULL)
fsize = fi->lfsizes[ix];
}
return fsize;
}
rpm_rdev_t rpmfilesFRdev(rpmfiles fi, int ix)
{
rpm_rdev_t frdev = 0;
if (fi != NULL && ix >= 0 && ix < rpmfilesFC(fi)) {
if (fi->frdevs != NULL)
frdev = fi->frdevs[ix];
}
return frdev;
}
rpm_ino_t rpmfilesFInode(rpmfiles fi, int ix)
{
rpm_ino_t finode = 0;
if (fi != NULL && ix >= 0 && ix < rpmfilesFC(fi)) {
if (fi->finodes != NULL)
finode = fi->finodes[ix];
}
return finode;
}
rpm_color_t rpmfilesColor(rpmfiles files)
{
rpm_color_t color = 0;
if (files != NULL && files->fcolors != NULL) {
int fc = rpmfilesFC(files);
for (int i = 0; i < fc; i++)
color |= files->fcolors[i];
/* XXX ignore all but lsnibble for now. */
color &= 0xf;
}
return color;
}
rpm_color_t rpmfiColor(rpmfi fi)
{
return (fi != NULL) ? rpmfilesColor(fi->files) : 0;
}
rpm_color_t rpmfilesFColor(rpmfiles fi, int ix)
{
rpm_color_t fcolor = 0;
if (fi != NULL && ix >= 0 && ix < rpmfilesFC(fi)) {
if (fi->fcolors != NULL)
/* XXX ignore all but lsnibble for now. */
fcolor = (fi->fcolors[ix] & 0x0f);
}
return fcolor;
}
const char * rpmfilesFClass(rpmfiles fi, int ix)
{
const char * fclass = NULL;
int cdictx;
if (fi != NULL && fi->fcdictx != NULL && ix >= 0 && ix < rpmfilesFC(fi)) {
cdictx = fi->fcdictx[ix];
if (fi->cdict != NULL && cdictx >= 0 && cdictx < fi->ncdict)
fclass = fi->cdict[cdictx];
}
return fclass;
}
uint32_t rpmfilesFDepends(rpmfiles fi, int ix, const uint32_t ** fddictp)
{
int fddictx = -1;
int fddictn = 0;
const uint32_t * fddict = NULL;
if (fi != NULL && ix >= 0 && ix < rpmfilesFC(fi)) {
if (fi->fddictn != NULL)
fddictn = fi->fddictn[ix];
if (fddictn > 0 && fi->fddictx != NULL)
fddictx = fi->fddictx[ix];
if (fi->ddict != NULL && fddictx >= 0 && (fddictx+fddictn) <= fi->nddict)
fddict = fi->ddict + fddictx;
}
if (fddictp)
*fddictp = fddict;
return fddictn;
}
uint32_t rpmfilesFLinks(rpmfiles fi, int ix, const int ** files)
{
uint32_t nlink = 0;
if (fi != NULL && ix >= 0 && ix < rpmfilesFC(fi)) {
nlink = 1;
if (fi->nlinks) {
struct hardlinks_s ** hardlinks = NULL;
nlinkHashGetEntry(fi->nlinks, ix, &hardlinks, NULL, NULL);
if (hardlinks) {
nlink = hardlinks[0]->nlink;
if (files) {
*files = hardlinks[0]->files;
}
} else if (files){
*files = NULL;
}
}
}
return nlink;
}
uint32_t rpmfiFLinks(rpmfi fi, const int ** files)
{
return rpmfilesFLinks(fi->files, fi ? fi->i : -1, files);
}
uint32_t rpmfilesFNlink(rpmfiles fi, int ix)
{
return rpmfilesFLinks(fi, ix, NULL);
}
rpm_time_t rpmfilesFMtime(rpmfiles fi, int ix)
{
rpm_time_t fmtime = 0;
if (fi != NULL && ix >= 0 && ix < rpmfilesFC(fi)) {
if (fi->fmtimes != NULL)
fmtime = fi->fmtimes[ix];
}
return fmtime;
}
const char * rpmfilesFUser(rpmfiles fi, int ix)
{
const char * fuser = NULL;
if (fi != NULL && ix >= 0 && ix < rpmfilesFC(fi)) {
if (fi->fuser != NULL)
fuser = rpmstrPoolStr(fi->pool, fi->fuser[ix]);
}
return fuser;
}
const char * rpmfilesFGroup(rpmfiles fi, int ix)
{
const char * fgroup = NULL;
if (fi != NULL && ix >= 0 && ix < rpmfilesFC(fi)) {
if (fi->fgroup != NULL)
fgroup = rpmstrPoolStr(fi->pool, fi->fgroup[ix]);
}
return fgroup;
}
const char * rpmfilesFCaps(rpmfiles fi, int ix)
{
const char *fcaps = NULL;
if (fi != NULL && ix >= 0 && ix < rpmfilesFC(fi)) {
fcaps = fi->fcaps ? fi->fcaps[ix] : "";
}
return fcaps;
}
const char * rpmfilesFLangs(rpmfiles fi, int ix)
{
const char *flangs = NULL;
if (fi != NULL && fi->flangs != NULL && ix >= 0 && ix < rpmfilesFC(fi)) {
flangs = rpmstrPoolStr(fi->pool, fi->flangs[ix]);
}
return flangs;
}
int rpmfilesStat(rpmfiles fi, int ix, int flags, struct stat *sb)
{
int rc = -1;
if (fi && sb) {
/* XXX FIXME define proper flags with sane semantics... */
int warn = flags & 0x1;
const char *user = rpmfilesFUser(fi, ix);
const char *group = rpmfilesFGroup(fi, ix);
const int * hardlinks = NULL;
uint32_t nlinks = rpmfilesFLinks(fi, ix, &hardlinks);
memset(sb, 0, sizeof(*sb));
sb->st_nlink = nlinks;
sb->st_ino = rpmfilesFInode(fi, ix);
sb->st_rdev = rpmfilesFRdev(fi, ix);
sb->st_mode = rpmfilesFMode(fi, ix);
sb->st_mtime = rpmfilesFMtime(fi, ix);
/* Only regular files and symlinks have a size */
if (S_ISREG(sb->st_mode)) {
/* Content and thus size comes with last hardlink */
if (!(nlinks > 1 && hardlinks[nlinks-1] != ix))
sb->st_size = rpmfilesFSize(fi, ix);
} else if (S_ISLNK(sb->st_mode)) {
/*
* Normally rpmfilesFSize() is correct for symlinks too, this is
* only needed for glob()'ed links from fakechroot environment.
*/
sb->st_size = strlen(rpmfilesFLink(fi, ix));
}
if (user && rpmugUid(user, &sb->st_uid)) {
if (warn)
rpmlog(RPMLOG_WARNING,
_("user %s does not exist - using root\n"), user);
sb->st_mode &= ~S_ISUID; /* turn off suid bit */
}
if (group && rpmugGid(group, &sb->st_gid)) {
if (warn)
rpmlog(RPMLOG_WARNING,
_("group %s does not exist - using root\n"), group);
sb->st_mode &= ~S_ISGID; /* turn off sgid bit */
}
rc = 0;
}
return rc;
}
struct fingerPrint_s *rpmfilesFps(rpmfiles fi)
{
return (fi != NULL) ? fi->fps : NULL;
}
static int iterFwd(rpmfi fi)
{
return fi->i + 1;
}
static int iterBack(rpmfi fi)
{
return fi->i - 1;
}
static int iterInterval(rpmfi fi)
{
if (fi->i == -1)
return fi->intervalStart;
else if (fi->i + 1 < fi->intervalEnd)
return fi->i + 1;
else
return RPMERR_ITER_END;
}
int rpmfiNext(rpmfi fi)
{
int next = -1;
if (fi != NULL) {
do {
next = fi->next(fi);
} while (next == RPMERR_ITER_SKIP);
if (next >= 0 && next < rpmfilesFC(fi->files)) {
fi->i = next;
fi->j = rpmfilesDI(fi->files, fi->i);
} else {
fi->i = -1;
if (next >= 0) {
next = -1;
}
}
}
return next;
}
rpmfi rpmfiInit(rpmfi fi, int fx)
{
if (fi != NULL) {
if (fx >= 0 && fx < rpmfilesFC(fi->files)) {
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 < rpmfilesDC(fi->files))
j = fi->j;
else
fi->j = -1;
}
return j;
}
rpmfi rpmfiInitD(rpmfi fi, int dx)
{
if (fi != NULL) {
if (dx >= 0 && dx < rpmfilesFC(fi->files))
fi->j = dx - 1;
else
fi = NULL;
}
return fi;
}
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 rpmfilesCompare(rpmfiles afi, int aix, rpmfiles bfi, int bix)
{
mode_t amode = rpmfilesFMode(afi, aix);
mode_t bmode = rpmfilesFMode(bfi, bix);
rpmFileTypes awhat = rpmfiWhatis(amode);
if ((rpmfilesFFlags(afi, aix) & RPMFILE_GHOST) ||
(rpmfilesFFlags(bfi, bix) & RPMFILE_GHOST)) return 0;
/* Mode difference is a conflict, except for symlinks */
if (!(awhat == LINK && rpmfiWhatis(bmode) == LINK) && amode != bmode)
return 1;
if (awhat == LINK || awhat == REG) {
if (rpmfilesFSize(afi, aix) != rpmfilesFSize(bfi, bix))
return 1;
}
if (!rstreq(rpmfilesFUser(afi, aix), rpmfilesFUser(bfi, bix)))
return 1;
if (!rstreq(rpmfilesFGroup(afi, aix), rpmfilesFGroup(bfi, bix)))
return 1;
if (awhat == LINK) {
const char * alink = rpmfilesFLink(afi, aix);
const char * blink = rpmfilesFLink(bfi, bix);
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;
int aalgo, balgo;
const unsigned char * adigest, * bdigest;
adigest = rpmfilesFDigest(afi, aix, &aalgo, &adiglen);
bdigest = rpmfilesFDigest(bfi, bix, &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);
} else if (awhat == CDEV || awhat == BDEV) {
if (rpmfilesFRdev(afi, aix) != rpmfilesFRdev(bfi, bix))
return 1;
}
return 0;
}
rpmFileAction rpmfilesDecideFate(rpmfiles ofi, int oix,
rpmfiles nfi, int nix,
int skipMissing)
{
char * fn = rpmfilesFN(nfi, nix);
rpmfileAttrs newFlags = rpmfilesFFlags(nfi, nix);
char buffer[1024];
rpmFileTypes dbWhat, newWhat, diskWhat;
struct stat sb;
int save = (newFlags & RPMFILE_NOREPLACE) ? FA_ALTNAME : FA_SAVE;
int action = FA_CREATE; /* assume we can create */
/* If the new file is a ghost, leave whatever might be on disk alone. */
if (newFlags & RPMFILE_GHOST) {
action = FA_SKIP;
goto exit;
}
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);
action = FA_SKIP;
goto exit;
} else {
goto exit;
}
}
diskWhat = rpmfiWhatis((rpm_mode_t)sb.st_mode);
dbWhat = rpmfiWhatis(rpmfilesFMode(ofi, oix));
newWhat = rpmfiWhatis(rpmfilesFMode(nfi, nix));
/*
* This order matters - we'd prefer to CREATE the file if at all
* possible in case something else (like the timestamp) has changed.
* Only regular files and symlinks might need a backup, everything
* else falls through here with FA_CREATE.
*/
memset(buffer, 0, sizeof(buffer));
if (dbWhat == REG) {
int oalgo, nalgo;
size_t odiglen, ndiglen;
const unsigned char * odigest, * ndigest;
/* See if the file on disk is identical to the one in old pkg */
odigest = rpmfilesFDigest(ofi, oix, &oalgo, &odiglen);
if (diskWhat == REG) {
if (rpmDoDigest(oalgo, fn, 0, (unsigned char *)buffer, NULL))
goto exit; /* assume file has been removed */
if (odigest && memcmp(odigest, buffer, odiglen) == 0)
goto exit; /* unmodified config file, replace. */
}
/* See if the file on disk is identical to the one in new pkg */
ndigest = rpmfilesFDigest(nfi, nix, &nalgo, &ndiglen);
if (diskWhat == REG && newWhat == REG) {
/* hash algo changed in new, recalculate digest */
if (oalgo != nalgo)
if (rpmDoDigest(nalgo, fn, 0, (unsigned char *)buffer, NULL))
goto exit; /* assume file has been removed */
if (ndigest && memcmp(ndigest, buffer, ndiglen) == 0)
goto exit; /* file identical in new, replace. */
}
/* if new file is no longer config, backup it and replace it */
if (!(newFlags & RPMFILE_CONFIG)) {
action = FA_SAVE;
goto exit;
}
/* If file can be determined identical in old and new pkg, let it be */
if (newWhat == REG && oalgo == nalgo && odiglen == ndiglen) {
if (odigest && ndigest && memcmp(odigest, ndigest, odiglen) == 0) {
action = FA_SKIP; /* identical file, dont bother */
goto exit;
}
}
/* ...but otherwise a backup will be needed */
action = save;
} else if (dbWhat == LINK) {
const char * oFLink, * nFLink;
/* See if the link on disk is identical to the one in old pkg */
oFLink = rpmfilesFLink(ofi, oix);
if (diskWhat == LINK) {
ssize_t link_len = readlink(fn, buffer, sizeof(buffer) - 1);
if (link_len == -1)
goto exit; /* assume file has been removed */
buffer[link_len] = '\0';
if (oFLink && rstreq(oFLink, buffer))
goto exit; /* unmodified config file, replace. */
}
/* See if the link on disk is identical to the one in new pkg */
nFLink = rpmfilesFLink(nfi, nix);
if (diskWhat == LINK && newWhat == LINK) {
if (nFLink && rstreq(nFLink, buffer))
goto exit; /* unmodified config file, replace. */
}
/* if new file is no longer config, backup it and replace it */
if (!(newFlags & RPMFILE_CONFIG)) {
action = FA_SAVE;
goto exit;
}
/* If link is identical in old and new pkg, let it be */
if (newWhat == LINK && oFLink && nFLink && rstreq(oFLink, nFLink)) {
action = FA_SKIP; /* identical file, don't bother. */
goto exit;
}
/* ...but otherwise a backup will be needed */
action = save;
}
exit:
free(fn);
return action;
}
int rpmfilesConfigConflict(rpmfiles fi, int ix)
{
char * fn = NULL;
rpmfileAttrs flags = rpmfilesFFlags(fi, ix);
char buffer[1024];
rpmFileTypes newWhat, diskWhat;
struct stat sb;
int rc = 0;
/* Non-configs are not config conflicts. */
if (!(flags & RPMFILE_CONFIG))
return 0;
/* Only links and regular files can be %config, this is kinda moot */
/* XXX: Why are we returning 1 here? */
newWhat = rpmfiWhatis(rpmfilesFMode(fi, ix));
if (newWhat != LINK && newWhat != REG)
return 1;
/* If it's not on disk, there's nothing to be saved */
fn = rpmfilesFN(fi, ix);
if (lstat(fn, &sb))
goto exit;
/*
* Preserve legacy behavior: an existing %ghost %config is considered
* "modified" but unlike regular %config, its never removed and
* never backed up. Whether this actually makes sense is a whole
* another question, but this is very long-standing behavior that
* people might be depending on. The resulting FA_ALTNAME etc action
* is special-cased in FSM to avoid actually creating backups on ghosts.
*/
if (flags & RPMFILE_GHOST) {
rc = 1;
goto exit;
}
/* Files of different types obviously are not identical */
diskWhat = rpmfiWhatis((rpm_mode_t)sb.st_mode);
if (diskWhat != newWhat) {
rc = 1;
goto exit;
}
/* Files of different sizes obviously are not identical */
if (rpmfilesFSize(fi, ix) != sb.st_size) {
rc = 1;
goto exit;
}
memset(buffer, 0, sizeof(buffer));
if (newWhat == REG) {
int algo;
size_t diglen;
const unsigned char *ndigest = rpmfilesFDigest(fi,ix, &algo, &diglen);
if (rpmDoDigest(algo, fn, 0, (unsigned char *)buffer, NULL))
goto exit; /* assume file has been removed */
if (ndigest && memcmp(ndigest, buffer, diglen) == 0)
goto exit; /* unmodified config file */
} else /* newWhat == LINK */ {
const char * nFLink;
ssize_t link_len = readlink(fn, buffer, sizeof(buffer) - 1);
if (link_len == -1)
goto exit; /* assume file has been removed */
buffer[link_len] = '\0';
nFLink = rpmfilesFLink(fi, ix);
if (nFLink && rstreq(nFLink, buffer))
goto exit; /* unmodified config file */
}
rc = 1;
exit:
free(fn);
return rc;
}
rpmfiles rpmfilesFree(rpmfiles fi)
{
if (fi == NULL) return NULL;
if (fi->nrefs > 1)
return rpmfilesUnlink(fi);
if (rpmfilesFC(fi) > 0) {
if (fi->ofndata != &fi->fndata) {
rpmfnClear(fi->ofndata);
free(fi->ofndata);
}
rpmfnClear(&fi->fndata);
fi->flinks = _free(fi->flinks);
fi->flangs = _free(fi->flangs);
fi->digests = _free(fi->digests);
fi->signatures = _free(fi->signatures);
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);
fi->fps = _free(fi->fps);
/* these point to header memory if KEEPHEADER is used, dont free */
if (!(fi->fiflags & RPMFI_KEEPHEADER) && 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->lfsizes = _free(fi->lfsizes);
fi->frdevs = _free(fi->frdevs);
fi->finodes = _free(fi->finodes);
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->replacedSizes = _free(fi->replacedSizes);
fi->replacedLSizes = _free(fi->replacedLSizes);
fi->h = headerFree(fi->h);
fi->pool = rpmstrPoolFree(fi->pool);
fi->nlinks = nlinkHashFree(fi->nlinks);
(void) rpmfilesUnlink(fi);
memset(fi, 0, sizeof(*fi)); /* XXX trash and burn */
fi = _free(fi);
return NULL;
}
rpmfi rpmfiFree(rpmfi fi)
{
if (fi == NULL) return NULL;
if (fi->nrefs > 1)
return rpmfiUnlink(fi);
fi->files = rpmfilesFree(fi->files);
fi->fn = _free(fi->fn);
fi->ofn = _free(fi->ofn);
fi->found = _free(fi->found);
fi->archive = rpmcpioFree(fi->archive);
free(fi);
return NULL;
}
static rpmsid * tag2pool(rpmstrPool pool, Header h, rpmTag tag, rpm_count_t size)
{
rpmsid *sids = NULL;
struct rpmtd_s td;
if (headerGet(h, tag, &td, HEADERGET_MINMEM)) {
if ((size >= 0) && (rpmtdCount(&td) == size)) { /* ensure right size */
sids = rpmtdToPool(&td, pool);
}
rpmtdFreeData(&td);
}
return sids;
}
/* validate a indexed tag data triplet (such as file bn/dn/dx) */
static int indexSane(rpmtd xd, rpmtd yd, rpmtd zd)
{
int sane = 0;
uint32_t xc = rpmtdCount(xd);
uint32_t yc = rpmtdCount(yd);
uint32_t zc = rpmtdCount(zd);
/* check that the amount of data in each is sane */
/* normally yc <= xc but larger values are not fatal (RhBug:1001553) */
if (xc > 0 && yc > 0 && zc == xc) {
uint32_t * i, nvalid = 0;
/* ...and that the indexes are within bounds */
while ((i = rpmtdNextUint32(zd))) {
if (*i >= yc)
break;
nvalid++;
}
/* unless the loop runs to finish, the data is broken */
sane = (nvalid == zc);
}
return sane;
}
/* Get file data from header */
/* Requires totalfc to be set and label err: to goto on error */
#define _hgfi(_h, _tag, _td, _flags, _data) \
if (headerGet((_h), (_tag), (_td), (_flags))) { \
if (rpmtdCount(_td) != totalfc) { \
rpmlog(RPMLOG_ERR, _("Wrong number of entries for tag %s: %u found but %u expected.\n"), rpmTagGetName(_tag), rpmtdCount(_td), totalfc); \
goto err; \
} \
if (rpmTagGetTagType(_tag) != RPM_STRING_ARRAY_TYPE && rpmTagGetTagType(_tag) != RPM_I18NSTRING_TYPE && \
(_td)->size < totalfc * sizeof(*(_data))) { \
rpmlog(RPMLOG_ERR, _("Malformed data for tag %s: %u bytes found but %lu expected.\n"), rpmTagGetName(_tag), (_td)->size, totalfc * sizeof(*(_data))); \
goto err; \
} \
_data = ((_td)->data); \
}
/* Get file data from header without checking number of entries */
#define _hgfinc(_h, _tag, _td, _flags, _data) \
if (headerGet((_h), (_tag), (_td), (_flags))) {\
_data = ((_td)->data); \
}
/*** Hard link handling ***/
struct fileid_s {
rpm_dev_t id_dev;
rpm_ino_t id_ino;
};
#undef HASHTYPE
#undef HTKEYTYPE
#undef HTDATATYPE
#define HASHTYPE fileidHash
#define HTKEYTYPE struct fileid_s
#define HTDATATYPE int
#include "lib/rpmhash.H"
#include "lib/rpmhash.C"
#undef HASHTYPE
#undef HTKEYTYPE
#undef HTDATATYPE
static unsigned int fidHashFunc(struct fileid_s a)
{
return a.id_ino + (a.id_dev<<16) + (a.id_dev>>16);
}
static int fidCmp(struct fileid_s a, struct fileid_s b)
{
return !((a.id_dev == b.id_dev) && (a.id_ino == b.id_ino));
}
static unsigned int intHash(int a)
{
return a < 0 ? UINT_MAX-a : a;
}
static int intCmp(int a, int b)
{
return a != b;
}
static struct hardlinks_s * freeNLinks(struct hardlinks_s * nlinks)
{
nlinks->nlink--;
if (!nlinks->nlink) {
nlinks = _free(nlinks);
}
return nlinks;
}
static void rpmfilesBuildNLink(rpmfiles fi, Header h)
{
struct fileid_s f_id;
fileidHash files;
rpm_dev_t * fdevs = NULL;
struct rpmtd_s td;
int fc = 0;
int totalfc = rpmfilesFC(fi);
if (!fi->finodes)
return;
_hgfi(h, RPMTAG_FILEDEVICES, &td, HEADERGET_ALLOC, fdevs);
if (!fdevs)
return;
files = fileidHashCreate(totalfc, fidHashFunc, fidCmp, NULL, NULL);
for (int i=0; i < totalfc; i++) {
if (!S_ISREG(rpmfilesFMode(fi, i)) ||
(rpmfilesFFlags(fi, i) & RPMFILE_GHOST) ||
fi->finodes[i] <= 0) {
continue;
}
fc++;
f_id.id_dev = fdevs[i];
f_id.id_ino = fi->finodes[i];
fileidHashAddEntry(files, f_id, i);
}
if (fileidHashNumKeys(files) != fc) {
/* Hard links */
fi->nlinks = nlinkHashCreate(2*(totalfc - fileidHashNumKeys(files)),
intHash, intCmp, NULL, freeNLinks);
for (int i=0; i < totalfc; i++) {
int fcnt;
int * data;
if (!S_ISREG(rpmfilesFMode(fi, i)) ||
(rpmfilesFFlags(fi, i) & RPMFILE_GHOST)) {
continue;
}
f_id.id_dev = fdevs[i];
f_id.id_ino = fi->finodes[i];
fileidHashGetEntry(files, f_id, &data, &fcnt, NULL);
if (fcnt > 1 && !nlinkHashHasEntry(fi->nlinks, i)) {
struct hardlinks_s * hlinks;
hlinks = xmalloc(sizeof(struct hardlinks_s)+
fcnt*sizeof(hlinks->files[0]));
hlinks->nlink = fcnt;
for (int j=0; j<fcnt; j++) {
hlinks->files[j] = data[j];
nlinkHashAddEntry(fi->nlinks, data[j], hlinks);
}
}
}
}
_free(fdevs);
files = fileidHashFree(files);
err:
return;
}
static int rpmfilesPopulate(rpmfiles fi, Header h, rpmfiFlags flags)
{
headerGetFlags scareFlags = (flags & RPMFI_KEEPHEADER) ?
HEADERGET_MINMEM : HEADERGET_ALLOC;
headerGetFlags defFlags = HEADERGET_ALLOC;
struct rpmtd_s fdigests, fsignatures, digalgo, td;
unsigned char * t;
rpm_count_t totalfc = rpmfilesFC(fi);
/* XXX TODO: all these should be sanity checked, ugh... */
if (!(flags & RPMFI_NOFILEMODES))
_hgfi(h, RPMTAG_FILEMODES, &td, scareFlags, fi->fmodes);
if (!(flags & RPMFI_NOFILEFLAGS))
_hgfi(h, RPMTAG_FILEFLAGS, &td, scareFlags, fi->fflags);
if (!(flags & RPMFI_NOFILEVERIFYFLAGS))
_hgfi(h, RPMTAG_FILEVERIFYFLAGS, &td, scareFlags, fi->vflags);
if (!(flags & RPMFI_NOFILESIZES)) {
_hgfi(h, RPMTAG_FILESIZES, &td, scareFlags, fi->fsizes);
_hgfi(h, RPMTAG_LONGFILESIZES, &td, scareFlags, fi->lfsizes);
}
if (!(flags & RPMFI_NOFILECOLORS))
_hgfi(h, RPMTAG_FILECOLORS, &td, scareFlags, fi->fcolors);
if (!(flags & RPMFI_NOFILECLASS)) {
_hgfinc(h, RPMTAG_CLASSDICT, &td, scareFlags, fi->cdict);
fi->ncdict = rpmtdCount(&td);
_hgfi(h, RPMTAG_FILECLASS, &td, scareFlags, fi->fcdictx);
}
if (!(flags & RPMFI_NOFILEDEPS)) {
_hgfinc(h, RPMTAG_DEPENDSDICT, &td, scareFlags, fi->ddict);
fi->nddict = rpmtdCount(&td);
_hgfinc(h, RPMTAG_FILEDEPENDSX, &td, scareFlags, fi->fddictx);
_hgfinc(h, RPMTAG_FILEDEPENDSN, &td, scareFlags, fi->fddictn);
}
if (!(flags & RPMFI_NOFILESTATES))
_hgfi(h, RPMTAG_FILESTATES, &td, defFlags, fi->fstates);
if (!(flags & RPMFI_NOFILECAPS))
_hgfi(h, RPMTAG_FILECAPS, &td, defFlags, fi->fcaps);
if (!(flags & RPMFI_NOFILELINKTOS))
fi->flinks = tag2pool(fi->pool, h, RPMTAG_FILELINKTOS, totalfc);
/* FILELANGS are only interesting when installing */
if ((headerGetInstance(h) == 0) && !(flags & RPMFI_NOFILELANGS))
fi->flangs = tag2pool(fi->pool, h, RPMTAG_FILELANGS, totalfc);
/* See if the package has non-md5 file digests */
fi->digestalgo = PGPHASHALGO_MD5;
if (headerGet(h, RPMTAG_FILEDIGESTALGO, &digalgo, HEADERGET_MINMEM)) {
uint32_t *algo = rpmtdGetUint32(&digalgo);
/* Hmm, what to do with unknown digest algorithms? */
if (algo && rpmDigestLength(*algo) != 0) {
fi->digestalgo = *algo;
}
}
fi->signaturelength = headerGetNumber(h, RPMTAG_FILESIGNATURELENGTH);
fi->digests = NULL;
/* grab hex digests from header and store in binary format */
if (!(flags & RPMFI_NOFILEDIGESTS) &&
headerGet(h, RPMTAG_FILEDIGESTS, &fdigests, HEADERGET_MINMEM)) {
const char *fdigest;
if (rpmtdCount(&fdigests) != totalfc)
goto err;
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);
}
fi->signatures = NULL;
/* grab hex signatures from header and store in binary format */
if (! (flags & RPMFI_NOFILESIGNATURES) &&
headerGet(h, RPMTAG_FILESIGNATURES, &fsignatures, HEADERGET_MINMEM)) {
const char *fsignature;
if (rpmtdCount(&fsignatures) != totalfc)
goto err;
fi->signatures = t = xmalloc(rpmtdCount(&fsignatures) * fi->signaturelength);
while ((fsignature = rpmtdNextString(&fsignatures))) {
if (*fsignature == '\0') {
memset(t, 0, fi->signaturelength);
t += fi->signaturelength;
continue;
}
for (int j = 0; j < fi->signaturelength; j++, t++, fsignature += 2)
*t = (rnibble(fsignature[0]) << 4) | rnibble(fsignature[1]);
}
rpmtdFreeData(&fsignatures);
}
/* XXX TR_REMOVED doesn;t need fmtimes, frdevs, finodes */
if (!(flags & RPMFI_NOFILEMTIMES))
_hgfi(h, RPMTAG_FILEMTIMES, &td, scareFlags, fi->fmtimes);
if (!(flags & RPMFI_NOFILERDEVS))
_hgfi(h, RPMTAG_FILERDEVS, &td, scareFlags, fi->frdevs);
if (!(flags & RPMFI_NOFILEINODES)) {
_hgfi(h, RPMTAG_FILEINODES, &td, scareFlags, fi->finodes);
rpmfilesBuildNLink(fi, h);
}
if (!(flags & RPMFI_NOFILEUSER)) {
fi->fuser = tag2pool(fi->pool, h, RPMTAG_FILEUSERNAME, totalfc);
if (!fi->fuser) goto err;
}
if (!(flags & RPMFI_NOFILEGROUP)) {
fi->fgroup = tag2pool(fi->pool, h, RPMTAG_FILEGROUPNAME, totalfc);
if (!fi->fgroup) goto err;
}
/* TODO: validate and return a real error */
return 0;
err:
return -1;
}
rpmfiles rpmfilesNew(rpmstrPool pool, Header h, rpmTagVal tagN, rpmfiFlags flags)
{
rpmfiles fi = xcalloc(1, sizeof(*fi));
int fc;
fi->magic = RPMFIMAGIC;
fi->fiflags = flags;
/* private or shared pool? */
fi->pool = (pool != NULL) ? rpmstrPoolLink(pool) : rpmstrPoolCreate();
/*
* Grab and validate file triplet data. Headers with no files simply
* fall through here and an empty file set is returned.
*/
fc = rpmfnInit(&fi->fndata, RPMTAG_BASENAMES, h, fi->pool);
/* Broken data, bail out */
if (fc < 0)
goto err;
/* populate the rest of the stuff if we have files */
if (fc > 0) {
if (headerIsEntry(h, RPMTAG_ORIGBASENAMES)) {
/* For relocated packages, grab the original paths too */
int ofc;
fi->ofndata = xmalloc(sizeof(*fi->ofndata));
ofc = rpmfnInit(fi->ofndata, RPMTAG_ORIGBASENAMES, h, fi->pool);
if (ofc != 0 && ofc != fc)
goto err;
} else {
/* In the normal case, orig is the same as actual path data */
fi->ofndata = &fi->fndata;
}
if (rpmfilesPopulate(fi, h, flags))
goto err;
}
/* freeze the pool to save memory, but only if private pool */
if (fi->pool != pool)
rpmstrPoolFreeze(fi->pool, 0);
fi->h = (fi->fiflags & RPMFI_KEEPHEADER) ? headerLink(h) : NULL;
return rpmfilesLink(fi);
err:
rpmfilesFree(fi);
return NULL;
}
static int iterWriteArchiveNext(rpmfi fi);
static int iterReadArchiveNext(rpmfi fi);
static int iterReadArchiveNextContentFirst(rpmfi fi);
static int iterReadArchiveNextOmitHardlinks(rpmfi fi);
static int (*nextfuncs[])(rpmfi fi) = {
iterFwd,
iterBack,
iterWriteArchiveNext,
iterReadArchiveNext,
iterReadArchiveNextContentFirst,
iterReadArchiveNextOmitHardlinks,
iterInterval,
};
static rpmfi initIter(rpmfiles files, int itype, int link)
{
rpmfi fi = NULL;
if (files && itype>=0 && itype<=RPMFILEITERMAX) {
fi = xcalloc(1, sizeof(*fi));
fi->i = -1;
fi->files = link ? rpmfilesLink(files) : files;
fi->next = nextfuncs[itype];
fi->i = -1;
if (itype == RPMFI_ITER_BACK) {
fi->i = rpmfilesFC(fi->files);
} else if (itype >=RPMFI_ITER_READ_ARCHIVE
&& itype <= RPMFI_ITER_READ_ARCHIVE_OMIT_HARDLINKS) {
fi->found = xcalloc(1, (rpmfiFC(fi)>>3) + 1);
}
rpmfiLink(fi);
}
return fi;
}
rpmfi rpmfilesIter(rpmfiles files, int itype)
{
/* standalone iterators need to bump our refcount */
return initIter(files, itype, 1);
}
rpmfi rpmfilesFindPrefix(rpmfiles fi, const char *pfx)
{
int l, u, c, comparison;
rpmfi iterator = NULL;
if (!fi || !pfx)
return NULL;
l = 0;
u = rpmfilesFC(fi);
while (l < u) {
c = (l + u) / 2;
comparison = cmpPfx(fi, c, pfx);
if (comparison < 0)
u = c;
else if (comparison > 0)
l = c + 1;
else {
if (cmpPfx(fi, l, pfx))
l = c;
while (l > 0 && !cmpPfx(fi, l - 1, pfx))
l--;
if ( u >= rpmfilesFC(fi) || cmpPfx(fi, u, pfx))
u = c;
while (++u < rpmfilesFC(fi)) {
if (cmpPfx(fi, u, pfx))
break;
}
break;
}
}
if (l < u) {
iterator = initIter(fi, RPMFI_ITER_INTERVAL, 1);
iterator->intervalStart = l;
iterator->intervalEnd = u;
}
return iterator;
}
rpmfi rpmfiNewPool(rpmstrPool pool, Header h, rpmTagVal tagN, rpmfiFlags flags)
{
rpmfiles files = rpmfilesNew(pool, h, tagN, flags);
/* we already own rpmfiles, avoid extra refcount on it */
return initIter(files, RPMFI_ITER_FWD, 0);
}
rpmfi rpmfiNew(const rpmts ts, Header h, rpmTagVal tagN, rpmfiFlags flags)
{
return rpmfiNewPool(NULL, h, tagN, flags);
}
void rpmfilesSetFReplacedSize(rpmfiles fi, int ix, rpm_loff_t newsize)
{
if (fi != NULL && ix >= 0 && ix < rpmfilesFC(fi)) {
/* Switch over to 64 bit variant */
int fc = rpmfilesFC(fi);
if (newsize > UINT32_MAX && fi->replacedLSizes == NULL) {
fi->replacedLSizes = xcalloc(fc, sizeof(*fi->replacedLSizes));
/* copy 32 bit data */
if (fi->replacedSizes) {
for (int i=0; i < fc; i++)
fi->replacedLSizes[i] = fi->replacedSizes[i];
fi->replacedSizes = _free(fi->replacedSizes);
}
}
if (fi->replacedLSizes != NULL) {
fi->replacedLSizes[ix] = newsize;
} else {
if (fi->replacedSizes == NULL)
fi->replacedSizes = xcalloc(fc, sizeof(*fi->replacedSizes));
fi->replacedSizes[ix] = (rpm_off_t) newsize;
}
}
}
rpm_loff_t rpmfilesFReplacedSize(rpmfiles fi, int ix)
{
rpm_loff_t rsize = 0;
if (fi != NULL && ix >= 0 && ix < rpmfilesFC(fi)) {
if (fi->replacedSizes) {
rsize = fi->replacedSizes[ix];
} else if (fi->replacedLSizes) {
rsize = fi->replacedLSizes[ix];
}
}
return rsize;
}
void rpmfilesFpLookup(rpmfiles fi, fingerPrintCache fpc)
{
/* This can get called twice (eg yum), scratch former results and redo */
if (rpmfilesFC(fi) > 0) {
rpmfn fn = &fi->fndata;
if (fi->fps)
free(fi->fps);
fi->fps = fpLookupList(fpc, fi->pool,
fn->dnid, fn->bnid, fn->dil, fn->fc);
}
}
/*
* Generate iterator accessors function wrappers, these do nothing but
* call the corresponding rpmfiFooIndex(fi, fi->[ij])
*/
#define RPMFI_ITERFUNC(TYPE, NAME, IXV) \
TYPE rpmfi ## NAME(rpmfi fi) { return rpmfiles ## NAME(fi->files, fi ? fi->IXV : -1); }
RPMFI_ITERFUNC(rpmsid, BNId, i)
RPMFI_ITERFUNC(rpmsid, DNId, j)
RPMFI_ITERFUNC(const char *, BN, i)
RPMFI_ITERFUNC(const char *, DN, j)
RPMFI_ITERFUNC(const char *, OBN, i)
RPMFI_ITERFUNC(const char *, ODN, j)
RPMFI_ITERFUNC(const char *, FLink, i)
RPMFI_ITERFUNC(const char *, FUser, i)
RPMFI_ITERFUNC(const char *, FGroup, i)
RPMFI_ITERFUNC(const char *, FCaps, i)
RPMFI_ITERFUNC(const char *, FLangs, i)
RPMFI_ITERFUNC(const char *, FClass, i)
RPMFI_ITERFUNC(rpmfileState, FState, i)
RPMFI_ITERFUNC(rpmfileAttrs, FFlags, i)
RPMFI_ITERFUNC(rpmVerifyAttrs, VFlags, i)
RPMFI_ITERFUNC(rpm_mode_t, FMode, i)
RPMFI_ITERFUNC(rpm_rdev_t, FRdev, i)
RPMFI_ITERFUNC(rpm_time_t, FMtime, i)
RPMFI_ITERFUNC(rpm_ino_t, FInode, i)
RPMFI_ITERFUNC(rpm_loff_t, FSize, i)
RPMFI_ITERFUNC(rpm_color_t, FColor, i)
RPMFI_ITERFUNC(uint32_t, FNlink, i)
const char * rpmfiFN(rpmfi fi)
{
const char *fn = ""; /* preserve behavior on errors */
if (fi != NULL) {
free(fi->fn);
fi->fn = rpmfilesFN(fi->files, fi->i);
if (fi->fn != NULL)
fn = fi->fn;
}
return fn;
}
const char * rpmfiOFN(rpmfi fi)
{
const char *fn = ""; /* preserve behavior on errors */
if (fi != NULL) {
free(fi->ofn);
fi->ofn = rpmfilesOFN(fi->files, fi->i);
if (fi->ofn != NULL)
fn = fi->ofn;
}
return fn;
}
const unsigned char * rpmfiFDigest(rpmfi fi, int *algo, size_t *len)
{
return rpmfilesFDigest(fi->files, fi ? fi->i : -1, algo, len);
}
const unsigned char * rpmfiFSignature(rpmfi fi, size_t *len)
{
return rpmfilesFSignature(fi->files, fi ? fi->i : -1, len);
}
uint32_t rpmfiFDepends(rpmfi fi, const uint32_t ** fddictp)
{
return rpmfilesFDepends(fi->files, fi ? fi->i : -1, fddictp);
}
int rpmfiStat(rpmfi fi, int flags, struct stat *sb)
{
return rpmfilesStat(fi->files, fi->i, flags, sb);
}
int rpmfiCompare(const rpmfi afi, const rpmfi bfi)
{
return rpmfilesCompare(afi->files, afi ? afi->i : -1, bfi->files, bfi ? bfi->i : -1);
}
rpmstrPool rpmfilesPool(rpmfiles fi)
{
return (fi != NULL) ? fi->pool : NULL;
}
rpmfiles rpmfiFiles(rpmfi fi)
{
return (fi != NULL) ? fi->files : NULL;
}
/******************************************************/
/*** Archive handling *********************************/
/******************************************************/
rpmfi rpmfiNewArchiveReader(FD_t fd, rpmfiles files, int itype)
{
rpmcpio_t archive = rpmcpioOpen(fd, O_RDONLY);
rpmfi fi = NULL;
if (archive && itype >= RPMFI_ITER_READ_ARCHIVE) {
fi = rpmfilesIter(files, itype);
}
if (fi) {
fi->archive = archive;
} else {
rpmcpioFree(archive);
}
return fi;
}
rpmfi rpmfiNewArchiveWriter(FD_t fd, rpmfiles files)
{
rpmcpio_t archive = rpmcpioOpen(fd, O_WRONLY);
rpmfi fi = NULL;
if (archive) {
fi = rpmfilesIter(files, RPMFI_ITER_WRITE_ARCHIVE);
}
if (fi) {
fi->archive = archive;
} else {
rpmcpioFree(archive);
}
return fi;
}
int rpmfiArchiveClose(rpmfi fi)
{
if (fi == NULL)
return -1;
int rc = rpmcpioClose(fi->archive);
return rc;
}
rpm_loff_t rpmfiArchiveTell(rpmfi fi)
{
if (fi == NULL || fi->archive == NULL)
return 0;
return (rpm_loff_t) rpmcpioTell(fi->archive);
}
static int rpmfiArchiveWriteHeader(rpmfi fi)
{
int rc;
struct stat st;
if (rpmfiStat(fi, 0, &st))
return -1;
rpmfiles files = fi->files;
if (files->lfsizes) {
return rpmcpioStrippedHeaderWrite(fi->archive, rpmfiFX(fi), st.st_size);
} else {
const char * dn = rpmfiDN(fi);
char * path = rstrscat(NULL, (dn[0] == '/' && !rpmExpandNumeric("%{_noPayloadPrefix}")) ? "." : "",
dn, rpmfiBN(fi), NULL);
rc = rpmcpioHeaderWrite(fi->archive, path, &st);
free(path);
}
return rc;
}
static int iterWriteArchiveNextFile(rpmfi fi)
{
rpmfiles files = rpmfiFiles(fi);
int fx = rpmfiFX(fi);
int fc = rpmfiFC(fi);
const int * hardlinks;
int numHardlinks = 0;
/* already processing hard linked files */
if (rpmfiFNlink(fi) > 1) {
/* search next hard linked file */
fi->i = -1;
for (int i=fx+1; i<fc; i++) {
/* no ghosts */
if (rpmfilesFFlags(files, i) & RPMFILE_GHOST)
continue;
numHardlinks = rpmfilesFLinks(files, i, &hardlinks);
if (numHardlinks > 1 && hardlinks[0] == i) {
rpmfiSetFX(fi, i);
break;
}
}
} else {
fi->i = -1;
/* search next non hardlinked file */
for (int i=fx+1; i<fc; i++) {
/* no ghosts */
if (rpmfilesFFlags(files, i) & RPMFILE_GHOST)
continue;
if (rpmfilesFNlink(files, i) < 2) {
rpmfiSetFX(fi, i);
break;
}
}
if (rpmfiFX(fi) == -1) {
/* continue with first hard linked file */
for (int i=0; i<fc; i++) {
/* no ghosts */
if (rpmfilesFFlags(files, i) & RPMFILE_GHOST)
continue;
numHardlinks = rpmfilesFLinks(files, i, &hardlinks);
if (numHardlinks > 1) {
rpmfiSetFX(fi, i);
break;
}
}
}
}
if (rpmfiFX(fi) == -1)
return -1;
/* write header(s) */
if (numHardlinks>1) {
for (int i=0; i<numHardlinks; i++) {
rpmfiSetFX(fi, hardlinks[i]);
int rc = rpmfiArchiveWriteHeader(fi);
if (rc) {
return rc;
}
}
rpmfiSetFX(fi, hardlinks[0]);
} else {
int rc = rpmfiArchiveWriteHeader(fi);
if (rc) {
return rc;
}
}
return rpmfiFX(fi);
}
static int iterWriteArchiveNext(rpmfi fi)
{
int fx;
/* loop over the files we can handle ourself */
do {
fx = iterWriteArchiveNextFile(fi);
if (S_ISLNK(rpmfiFMode(fi))) {
/* write symlink target */
const char *lnk = rpmfiFLink(fi);
size_t len = strlen(lnk);
if (rpmfiArchiveWrite(fi, lnk, len) != len) {
return RPMERR_WRITE_FAILED;
}
} else if (S_ISREG(rpmfiFMode(fi)) && rpmfiFSize(fi)) {
/* this file actually needs some content */
return fx;
}
/* go on for special files, directories and empty files */
} while (fx >= 0);
return fx;
}
size_t rpmfiArchiveWrite(rpmfi fi, const void * buf, size_t size)
{
if (fi == NULL || fi->archive == NULL)
return -1;
return rpmcpioWrite(fi->archive, buf, size);
}
int rpmfiArchiveWriteFile(rpmfi fi, FD_t fd)
{
rpm_loff_t left;
int rc = 0;
size_t len;
char buf[BUFSIZ*4];
if (fi == NULL || fi->archive == NULL || fd == NULL)
return -1;
left = rpmfiFSize(fi);
while (left) {
len = (left > sizeof(buf) ? sizeof(buf) : left);
if (Fread(buf, sizeof(*buf), len, fd) != len || Ferror(fd)) {
rc = RPMERR_READ_FAILED;
break;
}
if (rpmcpioWrite(fi->archive, buf, len) != len) {
rc = RPMERR_WRITE_FAILED;
break;
}
left -= len;
}
return rc;
}
static void rpmfiSetFound(rpmfi fi, int ix)
{
fi->found[ix >> 3] |= (1 << (ix % 8));
}
static int rpmfiFound(rpmfi fi, int ix)
{
return fi->found[ix >> 3] & (1 << (ix % 8));
}
static int iterReadArchiveNext(rpmfi fi)
{
int rc;
int fx = -1;
int fc = rpmfilesFC(fi->files);
char * path = NULL;
if (fi->archive == NULL)
return -1;
/* Read next payload header. */
rc = rpmcpioHeaderRead(fi->archive, &path, &fx);
/* if archive ended, check if we found all files */
if (rc == RPMERR_ITER_END) {
for (int i=0; i<fc; i++) {
if (!rpmfiFound(fi, i) &&
!(rpmfilesFFlags(fi->files, i) & RPMFILE_GHOST)) {
rc = RPMERR_MISSING_FILE;
break;
}
}
}
if (rc) {
return rc;
}
if (path) {
/* Regular cpio archive, identify mapping index. */
fx = rpmfilesFindOFN(fi->files, path);
free(path);
}
if (fx >= 0 && fx < fc) {
rpm_loff_t fsize = 0;
rpm_mode_t mode = rpmfilesFMode(fi->files, fx);
/* %ghost in payload, should not be there but rpm < 4.11 sometimes did this */
if (rpmfilesFFlags(fi->files, fx) & RPMFILE_GHOST)
return RPMERR_ITER_SKIP;
if (S_ISREG(mode)) {
const int * links;
uint32_t numlinks = rpmfilesFLinks(fi->files, fx, &links);
if (!(numlinks > 1 && links[numlinks-1] != fx))
fsize = rpmfilesFSize(fi->files, fx);
} else if (S_ISLNK(mode)) {
/* Skip over symlink target data in payload */
rpm_loff_t lsize = rpmfilesFSize(fi->files, fx);
char *buf = xmalloc(lsize + 1);
if (rpmcpioRead(fi->archive, buf, lsize) != lsize)
rc = RPMERR_READ_FAILED;
/* XXX should we validate the payload matches? */
free(buf);
}
rpmcpioSetExpectedFileSize(fi->archive, fsize);
rpmfiSetFound(fi, fx);
} else {
/* Mapping error */
rc = RPMERR_UNMAPPED_FILE;
}
return (rc != 0) ? rc : fx;
}
static int iterReadArchiveNextOmitHardlinks(rpmfi fi)
{
int fx;
const int * links;
int nlink;
do {
fx = iterReadArchiveNext(fi);
nlink = rpmfilesFLinks(fi->files, fx, &links);
} while (fx>=0 && nlink>1 && links[nlink-1]!=fx);
return fx;
}
static int iterReadArchiveNextContentFirst(rpmfi fi)
{
int fx = rpmfiFX(fi);
const int * links;
int nlink;
/* decide what to do on the basis of the last entry */
nlink = rpmfilesFLinks(fi->files, fx, &links);
if (nlink > 1) {
/* currently reading through hard links */
if (fx == links[nlink-1]) {
/* arrived back at last entry, read on */
fx = iterReadArchiveNext(fi);
} else {
/* next hard link */
/* scales poorly but shouldn't matter */
for (int i=0; i<nlink; i++) {
if (links[i] == fx) {
fx = links[i+1];
return fx;
}
}
/* should never happen */
return -1;
}
} else {
fx = iterReadArchiveNext(fi);
}
/* look at the new entry */
nlink = rpmfilesFLinks(fi->files, fx, &links);
/* arrived at new set of hardlinks? */
if (nlink > 1) {
/* read over all entries to the last one (containing the content) */
do {
fx = iterReadArchiveNext(fi);
} while (fx >=0 && fx != links[nlink-1]);
/* rewind to the first entry */
if (fx >= 0) {
fx = links[0];
}
}
return fx;
}
int rpmfiArchiveHasContent(rpmfi fi)
{
int res = 0;
if (fi && S_ISREG(rpmfiFMode(fi))) {
const int * links;
int nlink = rpmfiFLinks(fi, &links);
if (nlink > 1) {
if (fi->next == iterReadArchiveNext ||
fi->next == iterReadArchiveNextOmitHardlinks) {
res = rpmfiFX(fi) == links[nlink-1];
} else if (fi->next == iterReadArchiveNextContentFirst) {
res = rpmfiFX(fi) == links[0];
}
} else {
res = 1;
}
}
return res;
}
size_t rpmfiArchiveRead(rpmfi fi, void * buf, size_t size)
{
if (fi == NULL || fi->archive == NULL)
return -1;
return rpmcpioRead(fi->archive, buf, size);
}
int rpmfiArchiveReadToFilePsm(rpmfi fi, FD_t fd, int nodigest, rpmpsm psm)
{
if (fi == NULL || fi->archive == NULL || fd == NULL)
return -1;
rpm_loff_t left = rpmfiFSize(fi);
const unsigned char * fidigest = NULL;
pgpHashAlgo digestalgo = 0;
int rc = 0;
char buf[BUFSIZ*4];
if (!nodigest) {
digestalgo = rpmfiDigestAlgo(fi);
fidigest = rpmfilesFDigest(fi->files, rpmfiFX(fi), NULL, NULL);
fdInitDigest(fd, digestalgo, 0);
}
while (left) {
size_t len;
len = (left > sizeof(buf) ? sizeof(buf) : left);
if (rpmcpioRead(fi->archive, buf, len) != len) {
rc = RPMERR_READ_FAILED;
goto exit;
}
if ((Fwrite(buf, sizeof(*buf), len, fd) != len) || Ferror(fd)) {
rc = RPMERR_WRITE_FAILED;
goto exit;
}
rpmpsmNotify(psm, RPMCALLBACK_INST_PROGRESS, rpmfiArchiveTell(fi));
left -= len;
}
if (!nodigest) {
void * digest = NULL;
(void) Fflush(fd);
fdFiniDigest(fd, digestalgo, &digest, NULL, 0);
if (digest != NULL && fidigest != NULL) {
size_t diglen = rpmDigestLength(digestalgo);
if (memcmp(digest, fidigest, diglen)) {
rc = RPMERR_DIGEST_MISMATCH;
}
} else {
rc = RPMERR_DIGEST_MISMATCH;
}
free(digest);
}
exit:
return rc;
}
int rpmfiArchiveReadToFile(rpmfi fi, FD_t fd, int nodigest)
{
return rpmfiArchiveReadToFilePsm(fi, fd, nodigest, NULL);
}
char * rpmfileStrerror(int rc)
{
char *msg = NULL;
const char *s = NULL;
const char *prefix = "cpio";
int myerrno = errno;
switch (rc) {
default:
break;
case RPMERR_BAD_MAGIC: s = _("Bad magic"); break;
case RPMERR_BAD_HEADER: s = _("Bad/unreadable header");break;
case RPMERR_OPEN_FAILED: s = "open"; break;
case RPMERR_CHMOD_FAILED: s = "chmod"; break;
case RPMERR_CHOWN_FAILED: s = "chown"; break;
case RPMERR_WRITE_FAILED: s = "write"; break;
case RPMERR_UTIME_FAILED: s = "utime"; break;
case RPMERR_UNLINK_FAILED: s = "unlink"; break;
case RPMERR_RENAME_FAILED: s = "rename"; break;
case RPMERR_SYMLINK_FAILED: s = "symlink"; break;
case RPMERR_STAT_FAILED: s = "stat"; break;
case RPMERR_LSTAT_FAILED: s = "lstat"; break;
case RPMERR_MKDIR_FAILED: s = "mkdir"; break;
case RPMERR_RMDIR_FAILED: s = "rmdir"; break;
case RPMERR_MKNOD_FAILED: s = "mknod"; break;
case RPMERR_MKFIFO_FAILED: s = "mkfifo"; break;
case RPMERR_LINK_FAILED: s = "link"; break;
case RPMERR_READLINK_FAILED: s = "readlink"; break;
case RPMERR_READ_FAILED: s = "read"; break;
case RPMERR_COPY_FAILED: s = "copy"; break;
case RPMERR_LSETFCON_FAILED: s = "lsetfilecon"; break;
case RPMERR_SETCAP_FAILED: s = "cap_set_file"; break;
case RPMERR_HDR_SIZE: s = _("Header size too big"); break;
case RPMERR_FILE_SIZE: s = _("File too large for archive"); break;
case RPMERR_UNKNOWN_FILETYPE: s = _("Unknown file type"); break;
case RPMERR_MISSING_FILE: s = _("Missing file(s)"); break;
case RPMERR_DIGEST_MISMATCH: s = _("Digest mismatch"); break;
case RPMERR_INTERNAL: s = _("Internal error"); break;
case RPMERR_UNMAPPED_FILE: s = _("Archive file not in header"); break;
case RPMERR_ENOENT: s = strerror(ENOENT); break;
case RPMERR_ENOTEMPTY: s = strerror(ENOTEMPTY); break;
case RPMERR_EXIST_AS_DIR:
s = _("File from package already exists as a directory in system");
break;
}
if (s != NULL) {
rasprintf(&msg, "%s: %s", prefix, s);
if ((rc <= RPMERR_CHECK_ERRNO) && myerrno) {
rstrscat(&msg, _(" failed - "), strerror(myerrno), NULL);
}
} else {
rasprintf(&msg, _("%s: (error 0x%x)"), prefix, rc);
}
return msg;
}
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