/** \ingroup payload * \file lib/fsm.c * File state machine to handle a payload from a package. */ #include "system.h" #include #include #include "cpio.h" #include "fsm.h" #define fsmUNSAFE fsmStage #include "rpmerr.h" #define _RPMFI_INTERNAL #include "rpmfi.h" #include "rpmte.h" #include "rpmts.h" #include "rpmsq.h" #include "ugid.h" /* XXX unameToUid() and gnameToGid() */ #include "debug.h" /*@access FD_t @*/ /* XXX void ptr args */ /*@access FSMI_t @*/ /*@access FSM_t @*/ /*@access rpmfi @*/ #define alloca_strdup(_s) strcpy(alloca(strlen(_s)+1), (_s)) #define _FSM_DEBUG 0 /*@unchecked@*/ int _fsm_debug = _FSM_DEBUG; /*@-exportheadervar@*/ /*@unchecked@*/ int _fsm_threads = 0; /*@=exportheadervar@*/ /* XXX Failure to remove is not (yet) cause for failure. */ /*@-exportlocal -exportheadervar@*/ /*@unchecked@*/ int strict_erasures = 0; /*@=exportlocal =exportheadervar@*/ rpmts fsmGetTs(const FSM_t fsm) { const FSMI_t iter = fsm->iter; /*@-compdef -refcounttrans -retexpose -usereleased @*/ return (iter ? iter->ts : NULL); /*@=compdef =refcounttrans =retexpose =usereleased @*/ } rpmfi fsmGetFi(const FSM_t fsm) { const FSMI_t iter = fsm->iter; /*@-compdef -refcounttrans -retexpose -usereleased @*/ return (iter ? iter->fi : NULL); /*@=compdef =refcounttrans =retexpose =usereleased @*/ } #define SUFFIX_RPMORIG ".rpmorig" #define SUFFIX_RPMSAVE ".rpmsave" #define SUFFIX_RPMNEW ".rpmnew" /** \ingroup payload * Build path to file from file info, ornamented with subdir and suffix. * @param fsm file state machine data * @param st file stat info * @param subdir subdir to use (NULL disables) * @param suffix suffix to use (NULL disables) * @retval path to file */ static /*@only@*//*@null@*/ const char * fsmFsPath(/*@special@*/ /*@null@*/ const FSM_t fsm, /*@null@*/ const struct stat * st, /*@null@*/ const char * subdir, /*@null@*/ const char * suffix) /*@uses fsm->dirName, fsm->baseName */ /*@*/ { const char * s = NULL; if (fsm) { int nb; char * t; nb = strlen(fsm->dirName) + (st && !S_ISDIR(st->st_mode) ? (subdir ? strlen(subdir) : 0) : 0) + (st && !S_ISDIR(st->st_mode) ? (suffix ? strlen(suffix) : 0) : 0) + strlen(fsm->baseName) + 1; /*@-boundswrite@*/ s = t = xmalloc(nb); t = stpcpy(t, fsm->dirName); if (st && !S_ISDIR(st->st_mode)) if (subdir) t = stpcpy(t, subdir); t = stpcpy(t, fsm->baseName); if (st && !S_ISDIR(st->st_mode)) if (suffix) t = stpcpy(t, suffix); /*@=boundswrite@*/ } return s; } /** \ingroup payload * Destroy file info iterator. * @param p file info iterator * @retval NULL always */ static /*@null@*/ void * mapFreeIterator(/*@only@*//*@null@*/ void * p) /*@globals fileSystem @*/ /*@modifies fileSystem @*/ { FSMI_t iter = p; if (iter) { /*@-internalglobs@*/ /* XXX rpmswExit() */ iter->ts = rpmtsFree(iter->ts); /*@=internalglobs@*/ iter->fi = rpmfiUnlink(iter->fi, "mapIterator"); } return _free(p); } /** \ingroup payload * Create file info iterator. * @param ts transaction set * @param fi transaction element file info * @return file info iterator */ static void * mapInitIterator(rpmts ts, rpmfi fi) /*@modifies ts, fi @*/ { FSMI_t iter = NULL; iter = xcalloc(1, sizeof(*iter)); iter->ts = rpmtsLink(ts, "mapIterator"); iter->fi = rpmfiLink(fi, "mapIterator"); iter->reverse = (rpmteType(fi->te) == TR_REMOVED && fi->action != FA_COPYOUT); iter->i = (iter->reverse ? (fi->fc - 1) : 0); iter->isave = iter->i; return iter; } /** \ingroup payload * Return next index into file info. * @param a file info iterator * @return next index, -1 on termination */ static int mapNextIterator(/*@null@*/ void * a) /*@*/ { FSMI_t iter = a; int i = -1; if (iter) { const rpmfi fi = iter->fi; if (iter->reverse) { if (iter->i >= 0) i = iter->i--; } else { if (iter->i < fi->fc) i = iter->i++; } iter->isave = i; } return i; } /** \ingroup payload */ /*@-boundsread@*/ static int cpioStrCmp(const void * a, const void * b) /*@*/ { const char * afn = *(const char **)a; const char * bfn = *(const char **)b; /* XXX Some 4+ year old rpm packages have basename only in payloads. */ #ifdef VERY_OLD_BUGGY_RPM_PACKAGES if (strchr(afn, '/') == NULL) bfn = strrchr(bfn, '/') + 1; #endif /* Match rpm-4.0 payloads with ./ prefixes. */ if (afn[0] == '.' && afn[1] == '/') afn += 2; if (bfn[0] == '.' && bfn[1] == '/') bfn += 2; /* If either path is absolute, make it relative. */ if (afn[0] == '/') afn += 1; if (bfn[0] == '/') bfn += 1; return strcmp(afn, bfn); } /*@=boundsread@*/ /** \ingroup payload * Locate archive path in file info. * @param iter file info iterator * @param fsmPath archive path * @return index into file info, -1 if archive path was not found */ /*@-boundsread@*/ static int mapFind(/*@null@*/ FSMI_t iter, const char * fsmPath) /*@modifies iter @*/ { int ix = -1; if (iter) { const rpmfi fi = iter->fi; if (fi && fi->fc > 0 && fi->apath && fsmPath && *fsmPath) { const char ** p = NULL; /*@-boundswrite@*/ if (fi->apath != NULL) p = bsearch(&fsmPath, fi->apath, fi->fc, sizeof(fsmPath), cpioStrCmp); /*@=boundswrite@*/ if (p) { iter->i = p - fi->apath; ix = mapNextIterator(iter); } } } return ix; } /*@=boundsread@*/ /** \ingroup payload * Directory name iterator. */ typedef struct dnli_s { rpmfi fi; /*@only@*/ /*@null@*/ char * active; int reverse; int isave; int i; } * DNLI_t; /** \ingroup payload * Destroy directory name iterator. * @param a directory name iterator * @retval NULL always */ static /*@null@*/ void * dnlFreeIterator(/*@only@*//*@null@*/ const void * a) /*@modifies a @*/ { if (a) { DNLI_t dnli = (void *)a; if (dnli->active) free(dnli->active); } return _free(a); } /** \ingroup payload */ static inline int dnlCount(/*@null@*/ const DNLI_t dnli) /*@*/ { return (dnli ? dnli->fi->dc : 0); } /** \ingroup payload */ static inline int dnlIndex(/*@null@*/ const DNLI_t dnli) /*@*/ { return (dnli ? dnli->isave : -1); } /** \ingroup payload * Create directory name iterator. * @param fsm file state machine data * @param reverse traverse directory names in reverse order? * @return directory name iterator */ /*@-boundsread@*/ /*@-usereleased@*/ static /*@only@*/ /*@null@*/ void * dnlInitIterator(/*@special@*/ const FSM_t fsm, int reverse) /*@uses fsm->iter @*/ /*@*/ { rpmfi fi = fsmGetFi(fsm); DNLI_t dnli; int i, j; if (fi == NULL) return NULL; dnli = xcalloc(1, sizeof(*dnli)); dnli->fi = fi; dnli->reverse = reverse; /*@-branchstate@*/ dnli->i = (reverse ? fi->dc : 0); /*@=branchstate@*/ if (fi->dc) { dnli->active = xcalloc(fi->dc, sizeof(*dnli->active)); /* Identify parent directories not skipped. */ /*@-boundswrite@*/ for (i = 0; i < fi->fc; i++) if (!XFA_SKIPPING(fi->actions[i])) dnli->active[fi->dil[i]] = 1; /*@=boundswrite@*/ /* Exclude parent directories that are explicitly included. */ for (i = 0; i < fi->fc; i++) { int dil, dnlen, bnlen; if (!S_ISDIR(fi->fmodes[i])) continue; dil = fi->dil[i]; dnlen = strlen(fi->dnl[dil]); bnlen = strlen(fi->bnl[i]); for (j = 0; j < fi->dc; j++) { const char * dnl; int jlen; if (!dnli->active[j] || j == dil) /*@innercontinue@*/ continue; dnl = fi->dnl[j]; jlen = strlen(dnl); if (jlen != (dnlen+bnlen+1)) /*@innercontinue@*/ continue; if (strncmp(dnl, fi->dnl[dil], dnlen)) /*@innercontinue@*/ continue; if (strncmp(dnl+dnlen, fi->bnl[i], bnlen)) /*@innercontinue@*/ continue; if (dnl[dnlen+bnlen] != '/' || dnl[dnlen+bnlen+1] != '\0') /*@innercontinue@*/ continue; /* This directory is included in the package. */ /*@-boundswrite@*/ dnli->active[j] = 0; /*@=boundswrite@*/ /*@innerbreak@*/ break; } } /* Print only once per package. */ if (!reverse) { j = 0; for (i = 0; i < fi->dc; i++) { if (!dnli->active[i]) continue; if (j == 0) { j = 1; rpmMessage(RPMMESS_DEBUG, _("========== Directories not explicitly included in package:\n")); } rpmMessage(RPMMESS_DEBUG, _("%10d %s\n"), i, fi->dnl[i]); } if (j) rpmMessage(RPMMESS_DEBUG, "==========\n"); } } return dnli; } /*@=usereleased@*/ /*@=boundsread@*/ /** \ingroup payload * Return next directory name (from file info). * @param dnli directory name iterator * @return next directory name */ /*@-boundsread@*/ static /*@observer@*/ /*@null@*/ const char * dnlNextIterator(/*@null@*/ DNLI_t dnli) /*@modifies dnli @*/ { const char * dn = NULL; if (dnli) { rpmfi fi = dnli->fi; int i = -1; if (dnli->active) do { i = (!dnli->reverse ? dnli->i++ : --dnli->i); } while (i >= 0 && i < fi->dc && !dnli->active[i]); if (i >= 0 && i < fi->dc) dn = fi->dnl[i]; else i = -1; dnli->isave = i; } return dn; } /*@=boundsread@*/ static void * fsmThread(void * arg) /*@globals h_errno, fileSystem, internalState @*/ /*@modifies arg, fileSystem, internalState @*/ { FSM_t fsm = arg; /*@-unqualifiedtrans@*/ return ((void *) ((long) fsmStage(fsm, fsm->nstage))); /*@=unqualifiedtrans@*/ } int fsmNext(FSM_t fsm, fileStage nstage) /*@globals h_errno, fileSystem, internalState @*/ /*@modifies fsm, fileSystem, internalState @*/ { fsm->nstage = nstage; if (_fsm_threads) return rpmsqJoin( rpmsqThread(fsmThread, fsm) ); return fsmStage(fsm, fsm->nstage); } /** \ingroup payload * Save hard link in chain. * @param fsm file state machine data * @return Is chain only partially filled? */ /*@-boundsread@*/ static int saveHardLink(/*@special@*/ /*@partial@*/ FSM_t fsm) /*@uses fsm->links, fsm->ix, fsm->sb, fsm->goal, fsm->nsuffix @*/ /*@defines fsm->li @*/ /*@releases fsm->path @*/ /*@globals h_errno, fileSystem, internalState @*/ /*@modifies fsm, fileSystem, internalState @*/ { struct stat * st = &fsm->sb; int rc = 0; int ix = -1; int j; /* Find hard link set. */ /*@-branchstate@*/ for (fsm->li = fsm->links; fsm->li; fsm->li = fsm->li->next) { if (fsm->li->sb.st_ino == st->st_ino && fsm->li->sb.st_dev == st->st_dev) break; } /*@=branchstate@*/ /* New hard link encountered, add new link to set. */ /*@-boundswrite@*/ /*@-branchstate@*/ if (fsm->li == NULL) { fsm->li = xcalloc(1, sizeof(*fsm->li)); fsm->li->next = NULL; fsm->li->sb = *st; /* structure assignment */ fsm->li->nlink = st->st_nlink; fsm->li->linkIndex = fsm->ix; fsm->li->createdPath = -1; fsm->li->filex = xcalloc(st->st_nlink, sizeof(fsm->li->filex[0])); memset(fsm->li->filex, -1, (st->st_nlink * sizeof(fsm->li->filex[0]))); fsm->li->nsuffix = xcalloc(st->st_nlink, sizeof(*fsm->li->nsuffix)); if (fsm->goal == FSM_PKGBUILD) fsm->li->linksLeft = st->st_nlink; if (fsm->goal == FSM_PKGINSTALL) fsm->li->linksLeft = 0; /*@-kepttrans@*/ fsm->li->next = fsm->links; /*@=kepttrans@*/ fsm->links = fsm->li; } /*@=branchstate@*/ /*@=boundswrite@*/ if (fsm->goal == FSM_PKGBUILD) --fsm->li->linksLeft; /*@-boundswrite@*/ fsm->li->filex[fsm->li->linksLeft] = fsm->ix; /*@-observertrans -dependenttrans@*/ fsm->li->nsuffix[fsm->li->linksLeft] = fsm->nsuffix; /*@=observertrans =dependenttrans@*/ /*@=boundswrite@*/ if (fsm->goal == FSM_PKGINSTALL) fsm->li->linksLeft++; if (fsm->goal == FSM_PKGBUILD) return (fsm->li->linksLeft > 0); if (fsm->goal != FSM_PKGINSTALL) return 0; if (!(st->st_size || fsm->li->linksLeft == st->st_nlink)) return 1; /* Here come the bits, time to choose a non-skipped file name. */ { rpmfi fi = fsmGetFi(fsm); for (j = fsm->li->linksLeft - 1; j >= 0; j--) { ix = fsm->li->filex[j]; if (ix < 0 || XFA_SKIPPING(fi->actions[ix])) continue; break; } } /* Are all links skipped or not encountered yet? */ if (ix < 0 || j < 0) return 1; /* XXX W2DO? */ /* Save the non-skipped file name and map index. */ fsm->li->linkIndex = j; fsm->path = _free(fsm->path); fsm->ix = ix; rc = fsmNext(fsm, FSM_MAP); return rc; } /*@=boundsread@*/ /** \ingroup payload * Destroy set of hard links. * @param li set of hard links * @return NULL always */ static /*@null@*/ void * freeHardLink(/*@only@*/ /*@null@*/ struct hardLink_s * li) /*@modifies li @*/ { if (li) { li->nsuffix = _free(li->nsuffix); /* XXX elements are shared */ li->filex = _free(li->filex); } return _free(li); } FSM_t newFSM(void) { FSM_t fsm = xcalloc(1, sizeof(*fsm)); return fsm; } FSM_t freeFSM(FSM_t fsm) { if (fsm) { fsm->path = _free(fsm->path); /*@-branchstate@*/ while ((fsm->li = fsm->links) != NULL) { fsm->links = fsm->li->next; fsm->li->next = NULL; fsm->li = freeHardLink(fsm->li); } /*@=branchstate@*/ fsm->dnlx = _free(fsm->dnlx); fsm->ldn = _free(fsm->ldn); fsm->iter = mapFreeIterator(fsm->iter); } return _free(fsm); } int fsmSetup(FSM_t fsm, fileStage goal, const rpmts ts, const rpmfi fi, FD_t cfd, unsigned int * archiveSize, const char ** failedFile) { size_t pos = 0; int rc, ec = 0; fsm->goal = goal; if (cfd != NULL) { fsm->cfd = fdLink(cfd, "persist (fsm)"); pos = fdGetCpioPos(fsm->cfd); fdSetCpioPos(fsm->cfd, 0); } fsm->iter = mapInitIterator(ts, fi); if (fsm->goal == FSM_PKGINSTALL || fsm->goal == FSM_PKGBUILD) { void * ptr; fi->archivePos = 0; ptr = rpmtsNotify(ts, fi->te, RPMCALLBACK_INST_START, fi->archivePos, fi->archiveSize); } /*@-boundswrite@*/ /*@-assignexpose@*/ fsm->archiveSize = archiveSize; if (fsm->archiveSize) *fsm->archiveSize = 0; fsm->failedFile = failedFile; if (fsm->failedFile) *fsm->failedFile = NULL; /*@=assignexpose@*/ /*@=boundswrite@*/ memset(fsm->sufbuf, 0, sizeof(fsm->sufbuf)); if (fsm->goal == FSM_PKGINSTALL) { if (ts && rpmtsGetTid(ts) > 0) sprintf(fsm->sufbuf, ";%08x", (unsigned)rpmtsGetTid(ts)); } ec = fsm->rc = 0; rc = fsmUNSAFE(fsm, FSM_CREATE); if (rc && !ec) ec = rc; rc = fsmUNSAFE(fsm, fsm->goal); if (rc && !ec) ec = rc; /*@-boundswrite@*/ if (fsm->archiveSize && ec == 0) *fsm->archiveSize = (fdGetCpioPos(fsm->cfd) - pos); /*@=boundswrite@*/ /*@-nullstate@*/ /* FIX: *fsm->failedFile may be NULL */ return ec; /*@=nullstate@*/ } int fsmTeardown(FSM_t fsm) { int rc = fsm->rc; if (!rc) rc = fsmUNSAFE(fsm, FSM_DESTROY); fsm->iter = mapFreeIterator(fsm->iter); if (fsm->cfd != NULL) { fsm->cfd = fdFree(fsm->cfd, "persist (fsm)"); fsm->cfd = NULL; } fsm->failedFile = NULL; return rc; } static int fsmMapFContext(FSM_t fsm) /*@modifies fsm @*/ { rpmts ts = fsmGetTs(fsm); struct stat * st = &fsm->sb; /* * Find file security context (if not disabled). */ fsm->fcontext = NULL; if (ts != NULL && !(rpmtsFlags(ts) & RPMTRANS_FLAG_NOCONTEXTS)) { security_context_t scon = NULL; if (matchpathcon(fsm->path, st->st_mode, &scon) == 0 && scon != NULL) { fsm->fcontext = scon; } } return 0; } int fsmMapPath(FSM_t fsm) { rpmfi fi = fsmGetFi(fsm); /* XXX const except for fstates */ int rc = 0; int i; fsm->osuffix = NULL; fsm->nsuffix = NULL; fsm->astriplen = 0; fsm->action = FA_UNKNOWN; fsm->mapFlags = 0; i = fsm->ix; if (fi && i >= 0 && i < fi->fc) { /*@-boundsread@*/ fsm->astriplen = fi->astriplen; fsm->action = (fi->actions ? fi->actions[i] : fi->action); fsm->fflags = (fi->fflags ? fi->fflags[i] : fi->flags); fsm->mapFlags = (fi->fmapflags ? fi->fmapflags[i] : fi->mapflags); /* src rpms have simple base name in payload. */ fsm->dirName = fi->dnl[fi->dil[i]]; fsm->baseName = fi->bnl[i]; /*@=boundsread@*/ /*@-boundswrite@*/ switch (fsm->action) { case FA_SKIP: break; case FA_UNKNOWN: break; case FA_COPYOUT: break; case FA_COPYIN: case FA_CREATE: assert(rpmteType(fi->te) == TR_ADDED); break; case FA_SKIPNSTATE: if (fi->fstates && rpmteType(fi->te) == TR_ADDED) fi->fstates[i] = RPMFILE_STATE_NOTINSTALLED; break; case FA_SKIPNETSHARED: if (fi->fstates && rpmteType(fi->te) == TR_ADDED) fi->fstates[i] = RPMFILE_STATE_NETSHARED; break; case FA_SKIPCOLOR: if (fi->fstates && rpmteType(fi->te) == TR_ADDED) fi->fstates[i] = RPMFILE_STATE_WRONGCOLOR; break; case FA_BACKUP: if (!(fsm->fflags & RPMFILE_GHOST)) /* XXX Don't if %ghost file. */ switch (rpmteType(fi->te)) { case TR_ADDED: fsm->osuffix = SUFFIX_RPMORIG; /*@innerbreak@*/ break; case TR_REMOVED: fsm->osuffix = SUFFIX_RPMSAVE; /*@innerbreak@*/ break; } break; case FA_ALTNAME: assert(rpmteType(fi->te) == TR_ADDED); if (!(fsm->fflags & RPMFILE_GHOST)) /* XXX Don't if %ghost file. */ fsm->nsuffix = SUFFIX_RPMNEW; break; case FA_SAVE: assert(rpmteType(fi->te) == TR_ADDED); if (!(fsm->fflags & RPMFILE_GHOST)) /* XXX Don't if %ghost file. */ fsm->osuffix = SUFFIX_RPMSAVE; break; case FA_ERASE: #if 0 /* XXX is this a genhdlist fix? */ assert(rpmteType(fi->te) == TR_REMOVED); #endif /* * XXX TODO: %ghost probably shouldn't be removed, but that changes * legacy rpm behavior. */ break; default: break; } /*@=boundswrite@*/ if ((fsm->mapFlags & CPIO_MAP_PATH) || fsm->nsuffix) { const struct stat * st = &fsm->sb; fsm->path = _free(fsm->path); fsm->path = fsmFsPath(fsm, st, fsm->subdir, (fsm->suffix ? fsm->suffix : fsm->nsuffix)); } } return rc; } int fsmMapAttrs(FSM_t fsm) { struct stat * st = &fsm->sb; rpmfi fi = fsmGetFi(fsm); int i = fsm->ix; if (fi && i >= 0 && i < fi->fc) { mode_t perms = (S_ISDIR(st->st_mode) ? fi->dperms : fi->fperms); mode_t finalMode = (fi->fmodes ? fi->fmodes[i] : perms); dev_t finalRdev = (fi->frdevs ? fi->frdevs[i] : 0); int_32 finalMtime = (fi->fmtimes ? fi->fmtimes[i] : 0); uid_t uid = fi->uid; gid_t gid = fi->gid; if (fi->fuser && unameToUid(fi->fuser[i], &uid)) { if (fsm->goal == FSM_PKGINSTALL) rpmMessage(RPMMESS_WARNING, _("user %s does not exist - using root\n"), fi->fuser[i]); uid = 0; finalMode &= ~S_ISUID; /* turn off suid bit */ } if (fi->fgroup && gnameToGid(fi->fgroup[i], &gid)) { if (fsm->goal == FSM_PKGINSTALL) rpmMessage(RPMMESS_WARNING, _("group %s does not exist - using root\n"), fi->fgroup[i]); gid = 0; finalMode &= ~S_ISGID; /* turn off sgid bit */ } if (fsm->mapFlags & CPIO_MAP_MODE) st->st_mode = (st->st_mode & S_IFMT) | (finalMode & ~S_IFMT); if (fsm->mapFlags & CPIO_MAP_TYPE) { st->st_mode = (st->st_mode & ~S_IFMT) | (finalMode & S_IFMT); if ((S_ISCHR(st->st_mode) || S_ISBLK(st->st_mode)) && st->st_nlink == 0) st->st_nlink = 1; st->st_rdev = finalRdev; st->st_mtime = finalMtime; } if (fsm->mapFlags & CPIO_MAP_UID) st->st_uid = uid; if (fsm->mapFlags & CPIO_MAP_GID) st->st_gid = gid; { rpmts ts = fsmGetTs(fsm); /* * Set file md5 (if not disabled). */ if (ts != NULL && !(rpmtsFlags(ts) & RPMTRANS_FLAG_NOMD5)) { fsm->fmd5sum = (fi->fmd5s ? fi->fmd5s[i] : NULL); fsm->md5sum = (char *)(fi->md5s ? (fi->md5s + (16 * i)) : NULL); } else { fsm->fmd5sum = NULL; fsm->md5sum = NULL; } } } return 0; } /** \ingroup payload * Create file from payload stream. * @param fsm file state machine data * @return 0 on success */ /*@-compdef@*/ static int expandRegular(/*@special@*/ FSM_t fsm) /*@uses fsm->fmd5sum, fsm->md5sum, fsm->sb, fsm->wfd @*/ /*@globals h_errno, fileSystem, internalState @*/ /*@modifies fsm, fileSystem, internalState @*/ { const struct stat * st = &fsm->sb; int left = st->st_size; int rc = 0; rc = fsmNext(fsm, FSM_WOPEN); if (rc) goto exit; if (st->st_size > 0 && (fsm->fmd5sum != NULL || fsm->md5sum != NULL)) fdInitDigest(fsm->wfd, PGPHASHALGO_MD5, 0); while (left) { fsm->wrlen = (left > fsm->wrsize ? fsm->wrsize : left); rc = fsmNext(fsm, FSM_DREAD); if (rc) goto exit; rc = fsmNext(fsm, FSM_WRITE); if (rc) goto exit; left -= fsm->wrnb; /* don't call this with fileSize == fileComplete */ if (!rc && left) (void) fsmNext(fsm, FSM_NOTIFY); } if (st->st_size > 0 && (fsm->fmd5sum || fsm->md5sum)) { void * md5sum = NULL; int asAscii = (fsm->md5sum == NULL ? 1 : 0); (void) Fflush(fsm->wfd); fdFiniDigest(fsm->wfd, PGPHASHALGO_MD5, &md5sum, NULL, asAscii); if (md5sum == NULL) { rc = CPIOERR_MD5SUM_MISMATCH; goto exit; } if (fsm->md5sum != NULL) { if (memcmp(md5sum, fsm->md5sum, 16)) rc = CPIOERR_MD5SUM_MISMATCH; } else { if (strcmp(md5sum, fsm->fmd5sum)) rc = CPIOERR_MD5SUM_MISMATCH; } md5sum = _free(md5sum); } exit: (void) fsmNext(fsm, FSM_WCLOSE); return rc; } /*@=compdef@*/ /** \ingroup payload * Write next item to payload stream. * @param fsm file state machine data * @param writeData should data be written? * @return 0 on success */ /*@-compdef -compmempass@*/ static int writeFile(/*@special@*/ /*@partial@*/ FSM_t fsm, int writeData) /*@uses fsm->path, fsm->opath, fsm->sb, fsm->osb, fsm->cfd @*/ /*@globals h_errno, fileSystem, internalState @*/ /*@modifies fsm, fileSystem, internalState @*/ { const char * path = fsm->path; const char * opath = fsm->opath; struct stat * st = &fsm->sb; struct stat * ost = &fsm->osb; char * symbuf = NULL; int left; int rc; st->st_size = (writeData ? ost->st_size : 0); /*@-branchstate@*/ if (S_ISDIR(st->st_mode)) { st->st_size = 0; } else if (S_ISLNK(st->st_mode)) { /* * While linux puts the size of a symlink in the st_size field, * I don't think that's a specified standard. */ /* XXX NUL terminated result in fsm->rdbuf, len in fsm->rdnb. */ rc = fsmUNSAFE(fsm, FSM_READLINK); if (rc) goto exit; st->st_size = fsm->rdnb; symbuf = alloca_strdup(fsm->rdbuf); /* XXX save readlink return. */ } /*@=branchstate@*/ if (fsm->mapFlags & CPIO_MAP_ABSOLUTE) { /*@-boundswrite@*/ int nb = strlen(fsm->dirName) + strlen(fsm->baseName) + sizeof("."); char * t = alloca(nb); *t = '\0'; fsm->path = t; if (fsm->mapFlags & CPIO_MAP_ADDDOT) *t++ = '.'; t = stpcpy( stpcpy(t, fsm->dirName), fsm->baseName); /*@=boundswrite@*/ } else if (fsm->mapFlags & CPIO_MAP_PATH) { rpmfi fi = fsmGetFi(fsm); fsm->path = (fi->apath ? fi->apath[fsm->ix] + fi->striplen : fi->bnl[fsm->ix]); } rc = fsmNext(fsm, FSM_HWRITE); fsm->path = path; if (rc) goto exit; if (writeData && S_ISREG(st->st_mode)) { #ifdef HAVE_MMAP char * rdbuf = NULL; void * mapped = (void *)-1; size_t nmapped; #endif rc = fsmNext(fsm, FSM_ROPEN); if (rc) goto exit; /* XXX unbuffered mmap generates *lots* of fdio debugging */ #ifdef HAVE_MMAP nmapped = 0; mapped = mmap(NULL, st->st_size, PROT_READ, MAP_SHARED, Fileno(fsm->rfd), 0); if (mapped != (void *)-1) { rdbuf = fsm->rdbuf; fsm->rdbuf = (char *) mapped; fsm->rdlen = nmapped = st->st_size; #if defined(MADV_DONTNEED) xx = madvise(mapped, nmapped, MADV_DONTNEED); #endif } #endif left = st->st_size; while (left) { #ifdef HAVE_MMAP if (mapped != (void *)-1) { fsm->rdnb = nmapped; } else #endif { fsm->rdlen = (left > fsm->rdsize ? fsm->rdsize : left), rc = fsmNext(fsm, FSM_READ); if (rc) goto exit; } /* XXX DWRITE uses rdnb for I/O length. */ rc = fsmNext(fsm, FSM_DWRITE); if (rc) goto exit; left -= fsm->wrnb; } #ifdef HAVE_MMAP /*@-branchstate@*/ if (mapped != (void *)-1) { xx = msync(mapped, nmapped, MS_ASYNC); #if defined(MADV_DONTNEED) xx = madvise(mapped, nmapped, MADV_DONTNEED); #endif /*@-noeffect@*/ xx = munmap(mapped, nmapped); /*@=noeffect@*/ fsm->rdbuf = rdbuf; } /*@=branchstate@*/ #endif } else if (writeData && S_ISLNK(st->st_mode)) { /* XXX DWRITE uses rdnb for I/O length. */ /*@-boundswrite@*/ strcpy(fsm->rdbuf, symbuf); /* XXX restore readlink buffer. */ /*@=boundswrite@*/ fsm->rdnb = strlen(symbuf); rc = fsmNext(fsm, FSM_DWRITE); if (rc) goto exit; } rc = fsmNext(fsm, FSM_PAD); if (rc) goto exit; rc = 0; exit: if (fsm->rfd != NULL) (void) fsmNext(fsm, FSM_RCLOSE); /*@-dependenttrans@*/ fsm->opath = opath; fsm->path = path; /*@=dependenttrans@*/ return rc; } /*@=compdef =compmempass@*/ /** \ingroup payload * Write set of linked files to payload stream. * @param fsm file state machine data * @return 0 on success */ static int writeLinkedFile(/*@special@*/ /*@partial@*/ FSM_t fsm) /*@uses fsm->path, fsm->nsuffix, fsm->ix, fsm->li, fsm->failedFile @*/ /*@globals h_errno, fileSystem, internalState @*/ /*@modifies fsm, fileSystem, internalState @*/ { const char * path = fsm->path; const char * nsuffix = fsm->nsuffix; int iterIndex = fsm->ix; int ec = 0; int rc; int i; fsm->path = NULL; fsm->nsuffix = NULL; fsm->ix = -1; /*@-boundswrite@*/ /*@-branchstate@*/ for (i = fsm->li->nlink - 1; i >= 0; i--) { if (fsm->li->filex[i] < 0) continue; fsm->ix = fsm->li->filex[i]; /*@-compdef@*/ rc = fsmNext(fsm, FSM_MAP); /*@=compdef@*/ /* Write data after last link. */ rc = writeFile(fsm, (i == 0)); if (fsm->failedFile && rc != 0 && *fsm->failedFile == NULL) { ec = rc; *fsm->failedFile = xstrdup(fsm->path); } fsm->path = _free(fsm->path); fsm->li->filex[i] = -1; } /*@=branchstate@*/ /*@=boundswrite@*/ fsm->ix = iterIndex; fsm->nsuffix = nsuffix; fsm->path = path; return ec; } /** \ingroup payload * Create pending hard links to existing file. * @param fsm file state machine data * @return 0 on success */ /*@-boundsread@*/ /*@-compdef@*/ static int fsmMakeLinks(/*@special@*/ /*@partial@*/ FSM_t fsm) /*@uses fsm->path, fsm->opath, fsm->nsuffix, fsm->ix, fsm->li @*/ /*@globals h_errno, fileSystem, internalState @*/ /*@modifies fsm, fileSystem, internalState @*/ { const char * path = fsm->path; const char * opath = fsm->opath; const char * nsuffix = fsm->nsuffix; int iterIndex = fsm->ix; int ec = 0; int rc; int i; fsm->path = NULL; fsm->opath = NULL; fsm->nsuffix = NULL; fsm->ix = -1; fsm->ix = fsm->li->filex[fsm->li->createdPath]; rc = fsmNext(fsm, FSM_MAP); fsm->opath = fsm->path; fsm->path = NULL; /*@-branchstate@*/ for (i = 0; i < fsm->li->nlink; i++) { if (fsm->li->filex[i] < 0) continue; if (fsm->li->createdPath == i) continue; fsm->ix = fsm->li->filex[i]; fsm->path = _free(fsm->path); rc = fsmNext(fsm, FSM_MAP); if (XFA_SKIPPING(fsm->action)) continue; rc = fsmUNSAFE(fsm, FSM_VERIFY); if (!rc) continue; if (!(rc == CPIOERR_ENOENT)) break; /* XXX link(fsm->opath, fsm->path) */ rc = fsmNext(fsm, FSM_LINK); if (fsm->failedFile && rc != 0 && *fsm->failedFile == NULL) { ec = rc; /*@-boundswrite@*/ *fsm->failedFile = xstrdup(fsm->path); /*@=boundswrite@*/ } fsm->li->linksLeft--; } /*@=branchstate@*/ fsm->path = _free(fsm->path); fsm->opath = _free(fsm->opath); fsm->ix = iterIndex; fsm->nsuffix = nsuffix; fsm->path = path; fsm->opath = opath; return ec; } /*@=compdef@*/ /*@=boundsread@*/ /** \ingroup payload * Commit hard linked file set atomically. * @param fsm file state machine data * @return 0 on success */ /*@-compdef@*/ static int fsmCommitLinks(/*@special@*/ /*@partial@*/ FSM_t fsm) /*@uses fsm->path, fsm->nsuffix, fsm->ix, fsm->sb, fsm->li, fsm->links @*/ /*@globals h_errno, fileSystem, internalState @*/ /*@modifies fsm, fileSystem, internalState @*/ { const char * path = fsm->path; const char * nsuffix = fsm->nsuffix; int iterIndex = fsm->ix; struct stat * st = &fsm->sb; int rc = 0; int i; fsm->path = NULL; fsm->nsuffix = NULL; fsm->ix = -1; /*@-branchstate@*/ for (fsm->li = fsm->links; fsm->li; fsm->li = fsm->li->next) { if (fsm->li->sb.st_ino == st->st_ino && fsm->li->sb.st_dev == st->st_dev) break; } /*@=branchstate@*/ /*@-boundswrite@*/ for (i = 0; i < fsm->li->nlink; i++) { if (fsm->li->filex[i] < 0) continue; fsm->ix = fsm->li->filex[i]; rc = fsmNext(fsm, FSM_MAP); if (!XFA_SKIPPING(fsm->action)) rc = fsmNext(fsm, FSM_COMMIT); fsm->path = _free(fsm->path); fsm->li->filex[i] = -1; } /*@=boundswrite@*/ fsm->ix = iterIndex; fsm->nsuffix = nsuffix; fsm->path = path; return rc; } /*@=compdef@*/ /** * Remove (if created) directories not explicitly included in package. * @param fsm file state machine data * @return 0 on success */ static int fsmRmdirs(/*@special@*/ /*@partial@*/ FSM_t fsm) /*@uses fsm->path, fsm->dnlx, fsm->ldn, fsm->rdbuf, fsm->iter @*/ /*@globals h_errno, fileSystem, internalState @*/ /*@modifies fsm, fileSystem, internalState @*/ { const char * path = fsm->path; void * dnli = dnlInitIterator(fsm, 1); char * dn = fsm->rdbuf; int dc = dnlCount(dnli); int rc = 0; fsm->path = NULL; /*@-boundswrite@*/ dn[0] = '\0'; /*@-observertrans -dependenttrans@*/ if (fsm->ldn != NULL && fsm->dnlx != NULL) while ((fsm->path = dnlNextIterator(dnli)) != NULL) { int dnlen = strlen(fsm->path); char * te; dc = dnlIndex(dnli); if (fsm->dnlx[dc] < 1 || fsm->dnlx[dc] >= dnlen) continue; /* Copy to avoid const on fsm->path. */ te = stpcpy(dn, fsm->path) - 1; fsm->path = dn; /* Remove generated directories. */ /*@-usereleased@*/ /* LCL: te used after release? */ do { if (*te == '/') { *te = '\0'; /*@-compdef@*/ rc = fsmNext(fsm, FSM_RMDIR); /*@=compdef@*/ *te = '/'; } if (rc) /*@innerbreak@*/ break; te--; } while ((te - fsm->path) > fsm->dnlx[dc]); /*@=usereleased@*/ } /*@=boundswrite@*/ dnli = dnlFreeIterator(dnli); /*@=observertrans =dependenttrans@*/ fsm->path = path; return rc; } /** * Create (if necessary) directories not explicitly included in package. * @param fsm file state machine data * @return 0 on success */ static int fsmMkdirs(/*@special@*/ /*@partial@*/ FSM_t fsm) /*@uses fsm->path, fsm->sb, fsm->osb, fsm->rdbuf, fsm->iter, fsm->ldn, fsm->ldnlen, fsm->ldnalloc @*/ /*@defines fsm->dnlx, fsm->ldn @*/ /*@globals h_errno, fileSystem, internalState @*/ /*@modifies fsm, fileSystem, internalState @*/ { struct stat * st = &fsm->sb; struct stat * ost = &fsm->osb; const char * path = fsm->path; mode_t st_mode = st->st_mode; void * dnli = dnlInitIterator(fsm, 0); char * dn = fsm->rdbuf; int dc = dnlCount(dnli); int rc = 0; int i; /*@-compdef@*/ rpmts ts = fsmGetTs(fsm); /*@=compdef@*/ security_context_t scon = NULL; fsm->path = NULL; /*@-boundswrite@*/ dn[0] = '\0'; fsm->dnlx = (dc ? xcalloc(dc, sizeof(*fsm->dnlx)) : NULL); /*@-observertrans -dependenttrans@*/ if (fsm->dnlx != NULL) while ((fsm->path = dnlNextIterator(dnli)) != NULL) { int dnlen = strlen(fsm->path); char * te; dc = dnlIndex(dnli); if (dc < 0) continue; fsm->dnlx[dc] = dnlen; if (dnlen <= 1) continue; /*@-compdef -nullpass@*/ /* FIX: fsm->ldn not defined ??? */ if (dnlen <= fsm->ldnlen && !strcmp(fsm->path, fsm->ldn)) continue; /*@=compdef =nullpass@*/ /* Copy to avoid const on fsm->path. */ (void) stpcpy(dn, fsm->path); fsm->path = dn; /* Assume '/' directory exists, "mkdir -p" for others if non-existent */ for (i = 1, te = dn + 1; *te != '\0'; te++, i++) { if (*te != '/') /*@innercontinue@*/ continue; *te = '\0'; /* Already validated? */ /*@-usedef -compdef -nullpass -nullderef@*/ if (i < fsm->ldnlen && (fsm->ldn[i] == '/' || fsm->ldn[i] == '\0') && !strncmp(fsm->path, fsm->ldn, i)) { *te = '/'; /* Move pre-existing path marker forward. */ fsm->dnlx[dc] = (te - dn); /*@innercontinue@*/ continue; } /*@=usedef =compdef =nullpass =nullderef@*/ /* Validate next component of path. */ rc = fsmUNSAFE(fsm, FSM_LSTAT); *te = '/'; /* Directory already exists? */ if (rc == 0 && S_ISDIR(ost->st_mode)) { /* Move pre-existing path marker forward. */ fsm->dnlx[dc] = (te - dn); } else if (rc == CPIOERR_ENOENT) { rpmfi fi = fsmGetFi(fsm); *te = '\0'; st->st_mode = S_IFDIR | (fi->dperms & 07777); rc = fsmNext(fsm, FSM_MKDIR); if (!rc) { /* XXX FIXME? only new dir will have context set. */ /* Get file security context from patterns. */ if (! rpmtsFlags(ts) & RPMTRANS_FLAG_NOCONTEXTS) { if (matchpathcon(fsm->path, st->st_mode, &scon) == 0 && scon != NULL) { fsm->fcontext = scon; rc = fsmNext(fsm, FSM_LSETFCON); } } if (fsm->fcontext == NULL) rpmMessage(RPMMESS_DEBUG, _("%s directory created with perms %04o, no context.\n"), fsm->path, (unsigned)(st->st_mode & 07777)); else rpmMessage(RPMMESS_DEBUG, _("%s directory created with perms %04o, context %s.\n"), fsm->path, (unsigned)(st->st_mode & 07777), fsm->fcontext); fsm->fcontext = NULL; } *te = '/'; } if (rc) /*@innerbreak@*/ break; } if (rc) break; /* Save last validated path. */ /*@-compdef@*/ /* FIX: ldn/path annotations ? */ if (fsm->ldnalloc < (dnlen + 1)) { fsm->ldnalloc = dnlen + 100; fsm->ldn = xrealloc(fsm->ldn, fsm->ldnalloc); } if (fsm->ldn != NULL) { /* XXX can't happen */ strcpy(fsm->ldn, fsm->path); fsm->ldnlen = dnlen; } /*@=compdef@*/ } /*@=boundswrite@*/ dnli = dnlFreeIterator(dnli); /*@=observertrans =dependenttrans@*/ fsm->path = path; st->st_mode = st_mode; /* XXX restore st->st_mode */ /*@-compdef@*/ /* FIX: ldn/path annotations ? */ return rc; /*@=compdef@*/ } #ifdef NOTYET /** * Check for file on disk. * @param fsm file state machine data * @return 0 on success */ static int fsmStat(/*@special@*/ /*@partial@*/ FSM_t fsm) /*@globals fileSystem, internalState @*/ /*@modifies fsm, fileSystem, internalState @*/ { int rc = 0; if (fsm->path != NULL) { int saveernno = errno; rc = fsmUNSAFE(fsm, (!(fsm->mapFlags & CPIO_FOLLOW_SYMLINKS) ? FSM_LSTAT : FSM_STAT)); if (rc == CPIOERR_ENOENT) { errno = saveerrno; rc = 0; fsm->exists = 0; } else if (rc == 0) { fsm->exists = 1; } } else { /* Skip %ghost files on build. */ fsm->exists = 0; } return rc; } #endif #define IS_DEV_LOG(_x) \ ((_x) != NULL && strlen(_x) >= (sizeof("/dev/log")-1) && \ !strncmp((_x), "/dev/log", sizeof("/dev/log")-1) && \ ((_x)[sizeof("/dev/log")-1] == '\0' || \ (_x)[sizeof("/dev/log")-1] == ';')) /*@-boundsread@*/ /*@-compmempass@*/ int fsmStage(FSM_t fsm, fileStage stage) { #ifdef UNUSED fileStage prevStage = fsm->stage; const char * const prev = fileStageString(prevStage); #endif static int modulo = 4; const char * const cur = fileStageString(stage); struct stat * st = &fsm->sb; struct stat * ost = &fsm->osb; int saveerrno = errno; int rc = fsm->rc; size_t left; int i; #define _fafilter(_a) \ (!((_a) == FA_CREATE || (_a) == FA_ERASE || (_a) == FA_COPYIN || (_a) == FA_COPYOUT) \ ? fileActionString(_a) : "") if (stage & FSM_DEAD) { /* do nothing */ } else if (stage & FSM_INTERNAL) { if (_fsm_debug && !(stage & FSM_SYSCALL)) rpmMessage(RPMMESS_DEBUG, " %8s %06o%3d (%4d,%4d)%10d %s %s\n", cur, (unsigned)st->st_mode, (int)st->st_nlink, (int)st->st_uid, (int)st->st_gid, (int)st->st_size, (fsm->path ? fsm->path : ""), _fafilter(fsm->action)); } else { fsm->stage = stage; if (_fsm_debug || !(stage & FSM_VERBOSE)) rpmMessage(RPMMESS_DEBUG, "%-8s %06o%3d (%4d,%4d)%10d %s %s\n", cur, (unsigned)st->st_mode, (int)st->st_nlink, (int)st->st_uid, (int)st->st_gid, (int)st->st_size, (fsm->path ? fsm->path + fsm->astriplen : ""), _fafilter(fsm->action)); } #undef _fafilter /*@-branchstate@*/ switch (stage) { case FSM_UNKNOWN: break; case FSM_PKGINSTALL: while (1) { /* Clean fsm, free'ing memory. Read next archive header. */ rc = fsmUNSAFE(fsm, FSM_INIT); /* Exit on end-of-payload. */ if (rc == CPIOERR_HDR_TRAILER) { rc = 0; /*@loopbreak@*/ break; } /* Exit on error. */ if (rc) { fsm->postpone = 1; (void) fsmNext(fsm, FSM_UNDO); /*@loopbreak@*/ break; } /* Extract file from archive. */ rc = fsmNext(fsm, FSM_PROCESS); if (rc) { (void) fsmNext(fsm, FSM_UNDO); /*@loopbreak@*/ break; } /* Notify on success. */ (void) fsmNext(fsm, FSM_NOTIFY); rc = fsmNext(fsm, FSM_FINI); if (rc) { /*@loopbreak@*/ break; } } break; case FSM_PKGERASE: case FSM_PKGCOMMIT: while (1) { /* Clean fsm, free'ing memory. */ rc = fsmUNSAFE(fsm, FSM_INIT); /* Exit on end-of-payload. */ if (rc == CPIOERR_HDR_TRAILER) { rc = 0; /*@loopbreak@*/ break; } /* Rename/erase next item. */ if (fsmNext(fsm, FSM_FINI)) /*@loopbreak@*/ break; } break; case FSM_PKGBUILD: while (1) { rc = fsmUNSAFE(fsm, FSM_INIT); /* Exit on end-of-payload. */ if (rc == CPIOERR_HDR_TRAILER) { rc = 0; /*@loopbreak@*/ break; } /* Exit on error. */ if (rc) { fsm->postpone = 1; (void) fsmNext(fsm, FSM_UNDO); /*@loopbreak@*/ break; } /* Copy file into archive. */ rc = fsmNext(fsm, FSM_PROCESS); if (rc) { (void) fsmNext(fsm, FSM_UNDO); /*@loopbreak@*/ break; } /* Notify on success. */ (void) fsmNext(fsm, FSM_NOTIFY); if (fsmNext(fsm, FSM_FINI)) /*@loopbreak@*/ break; } /* Flush partial sets of hard linked files. */ if (!(fsm->mapFlags & CPIO_ALL_HARDLINKS)) { int nlink, j; while ((fsm->li = fsm->links) != NULL) { fsm->links = fsm->li->next; fsm->li->next = NULL; /* Re-calculate link count for archive header. */ for (j = -1, nlink = 0, i = 0; i < fsm->li->nlink; i++) { if (fsm->li->filex[i] < 0) /*@innercontinue@*/ continue; nlink++; if (j == -1) j = i; } /* XXX force the contents out as well. */ /*@-boundswrite@*/ if (j != 0) { fsm->li->filex[0] = fsm->li->filex[j]; fsm->li->filex[j] = -1; } /*@=boundswrite@*/ fsm->li->sb.st_nlink = nlink; fsm->sb = fsm->li->sb; /* structure assignment */ fsm->osb = fsm->sb; /* structure assignment */ if (!rc) rc = writeLinkedFile(fsm); fsm->li = freeHardLink(fsm->li); } } if (!rc) rc = fsmNext(fsm, FSM_TRAILER); break; case FSM_CREATE: { rpmts ts = fsmGetTs(fsm); #define _tsmask (RPMTRANS_FLAG_PKGCOMMIT | RPMTRANS_FLAG_COMMIT) fsm->commit = ((ts && (rpmtsFlags(ts) & _tsmask) && fsm->goal != FSM_PKGCOMMIT) ? 0 : 1); #undef _tsmask } fsm->path = _free(fsm->path); fsm->opath = _free(fsm->opath); fsm->dnlx = _free(fsm->dnlx); fsm->ldn = _free(fsm->ldn); fsm->ldnalloc = fsm->ldnlen = 0; fsm->rdsize = fsm->wrsize = 0; fsm->rdbuf = fsm->rdb = _free(fsm->rdb); fsm->wrbuf = fsm->wrb = _free(fsm->wrb); if (fsm->goal == FSM_PKGINSTALL || fsm->goal == FSM_PKGBUILD) { fsm->rdsize = 8 * BUFSIZ; fsm->rdbuf = fsm->rdb = xmalloc(fsm->rdsize); fsm->wrsize = 8 * BUFSIZ; fsm->wrbuf = fsm->wrb = xmalloc(fsm->wrsize); } fsm->mkdirsdone = 0; fsm->ix = -1; fsm->links = NULL; fsm->li = NULL; errno = 0; /* XXX get rid of EBADF */ /* Detect and create directories not explicitly in package. */ if (fsm->goal == FSM_PKGINSTALL) { /*@-compdef@*/ rc = fsmNext(fsm, FSM_MKDIRS); /*@=compdef@*/ if (!rc) fsm->mkdirsdone = 1; } break; case FSM_INIT: fsm->path = _free(fsm->path); fsm->postpone = 0; fsm->diskchecked = fsm->exists = 0; fsm->subdir = NULL; fsm->suffix = (fsm->sufbuf[0] != '\0' ? fsm->sufbuf : NULL); fsm->action = FA_UNKNOWN; fsm->osuffix = NULL; fsm->nsuffix = NULL; if (fsm->goal == FSM_PKGINSTALL) { /* Read next header from payload, checking for end-of-payload. */ rc = fsmUNSAFE(fsm, FSM_NEXT); } if (rc) break; /* Identify mapping index. */ fsm->ix = ((fsm->goal == FSM_PKGINSTALL) ? mapFind(fsm->iter, fsm->path) : mapNextIterator(fsm->iter)); /* Detect end-of-loop and/or mapping error. */ if (fsm->ix < 0) { if (fsm->goal == FSM_PKGINSTALL) { #if 0 rpmMessage(RPMMESS_WARNING, _("archive file %s was not found in header file list\n"), fsm->path); #endif /*@-boundswrite@*/ if (fsm->failedFile && *fsm->failedFile == NULL) *fsm->failedFile = xstrdup(fsm->path); /*@=boundswrite@*/ rc = CPIOERR_UNMAPPED_FILE; } else { rc = CPIOERR_HDR_TRAILER; } break; } /* On non-install, mode must be known so that dirs don't get suffix. */ if (fsm->goal != FSM_PKGINSTALL) { rpmfi fi = fsmGetFi(fsm); st->st_mode = fi->fmodes[fsm->ix]; } /* Generate file path. */ rc = fsmNext(fsm, FSM_MAP); if (rc) break; /* Perform lstat/stat for disk file. */ #ifdef NOTYET rc = fsmStat(fsm); #else if (fsm->path != NULL && !(fsm->goal == FSM_PKGINSTALL && S_ISREG(st->st_mode))) { rc = fsmUNSAFE(fsm, (!(fsm->mapFlags & CPIO_FOLLOW_SYMLINKS) ? FSM_LSTAT : FSM_STAT)); if (rc == CPIOERR_ENOENT) { errno = saveerrno; rc = 0; fsm->exists = 0; } else if (rc == 0) { fsm->exists = 1; } } else { /* Skip %ghost files on build. */ fsm->exists = 0; } #endif fsm->diskchecked = 1; if (rc) break; /* On non-install, the disk file stat is what's remapped. */ /*@-boundswrite@*/ if (fsm->goal != FSM_PKGINSTALL) *st = *ost; /* structure assignment */ /*@=boundswrite@*/ /* Remap file perms, owner, and group. */ rc = fsmMapAttrs(fsm); if (rc) break; fsm->postpone = XFA_SKIPPING(fsm->action); if (fsm->goal == FSM_PKGINSTALL || fsm->goal == FSM_PKGBUILD) { /*@-evalorder@*/ /* FIX: saveHardLink can modify fsm */ if (!S_ISDIR(st->st_mode) && st->st_nlink > 1) fsm->postpone = saveHardLink(fsm); /*@=evalorder@*/ } break; case FSM_PRE: break; case FSM_MAP: rc = fsmMapPath(fsm); break; case FSM_MKDIRS: rc = fsmMkdirs(fsm); break; case FSM_RMDIRS: if (fsm->dnlx) rc = fsmRmdirs(fsm); break; case FSM_PROCESS: if (fsm->postpone) { if (fsm->goal == FSM_PKGINSTALL) rc = fsmNext(fsm, FSM_EAT); break; } if (fsm->goal == FSM_PKGBUILD) { if (fsm->fflags & RPMFILE_GHOST) /* XXX Don't if %ghost file. */ break; if (!S_ISDIR(st->st_mode) && st->st_nlink > 1) { struct hardLink_s * li, * prev; if (!(fsm->mapFlags & CPIO_ALL_HARDLINKS)) break; rc = writeLinkedFile(fsm); if (rc) break; /* W2DO? */ for (li = fsm->links, prev = NULL; li; prev = li, li = li->next) if (li == fsm->li) /*@loopbreak@*/ break; if (prev == NULL) fsm->links = fsm->li->next; else prev->next = fsm->li->next; fsm->li->next = NULL; fsm->li = freeHardLink(fsm->li); } else { rc = writeFile(fsm, 1); } break; } if (fsm->goal != FSM_PKGINSTALL) break; if (S_ISREG(st->st_mode)) { const char * path = fsm->path; if (fsm->osuffix) fsm->path = fsmFsPath(fsm, st, NULL, NULL); rc = fsmUNSAFE(fsm, FSM_VERIFY); if (rc == 0 && fsm->osuffix) { const char * opath = fsm->opath; fsm->opath = fsm->path; fsm->path = fsmFsPath(fsm, st, NULL, fsm->osuffix); rc = fsmNext(fsm, FSM_RENAME); if (!rc) rpmMessage(RPMMESS_WARNING, _("%s saved as %s\n"), (fsm->opath ? fsm->opath : ""), (fsm->path ? fsm->path : "")); fsm->path = _free(fsm->path); fsm->opath = opath; } /*@-dependenttrans@*/ fsm->path = path; /*@=dependenttrans@*/ if (!(rc == CPIOERR_ENOENT)) return rc; rc = expandRegular(fsm); } else if (S_ISDIR(st->st_mode)) { mode_t st_mode = st->st_mode; rc = fsmUNSAFE(fsm, FSM_VERIFY); if (rc == CPIOERR_ENOENT) { st->st_mode &= ~07777; /* XXX abuse st->st_mode */ st->st_mode |= 00700; rc = fsmNext(fsm, FSM_MKDIR); st->st_mode = st_mode; /* XXX restore st->st_mode */ } } else if (S_ISLNK(st->st_mode)) { const char * opath = fsm->opath; if ((st->st_size + 1) > fsm->rdsize) { rc = CPIOERR_HDR_SIZE; break; } fsm->wrlen = st->st_size; rc = fsmNext(fsm, FSM_DREAD); if (!rc && fsm->rdnb != fsm->wrlen) rc = CPIOERR_READ_FAILED; if (rc) break; /*@-boundswrite@*/ fsm->wrbuf[st->st_size] = '\0'; /*@=boundswrite@*/ /* XXX symlink(fsm->opath, fsm->path) */ /*@-dependenttrans@*/ fsm->opath = fsm->wrbuf; /*@=dependenttrans@*/ rc = fsmUNSAFE(fsm, FSM_VERIFY); if (rc == CPIOERR_ENOENT) rc = fsmNext(fsm, FSM_SYMLINK); fsm->opath = opath; /* XXX restore fsm->path */ } else if (S_ISFIFO(st->st_mode)) { mode_t st_mode = st->st_mode; /* This mimics cpio S_ISSOCK() behavior but probably isnt' right */ rc = fsmUNSAFE(fsm, FSM_VERIFY); if (rc == CPIOERR_ENOENT) { st->st_mode = 0000; /* XXX abuse st->st_mode */ rc = fsmNext(fsm, FSM_MKFIFO); st->st_mode = st_mode; /* XXX restore st->st_mode */ } } else if (S_ISCHR(st->st_mode) || S_ISBLK(st->st_mode) || /*@-unrecog@*/ S_ISSOCK(st->st_mode) /*@=unrecog@*/) { rc = fsmUNSAFE(fsm, FSM_VERIFY); if (rc == CPIOERR_ENOENT) rc = fsmNext(fsm, FSM_MKNOD); } else { /* XXX Special case /dev/log, which shouldn't be packaged anyways */ if (!IS_DEV_LOG(fsm->path)) rc = CPIOERR_UNKNOWN_FILETYPE; } if (!S_ISDIR(st->st_mode) && st->st_nlink > 1) { fsm->li->createdPath = fsm->li->linkIndex; rc = fsmMakeLinks(fsm); } break; case FSM_POST: break; case FSM_MKLINKS: rc = fsmMakeLinks(fsm); break; case FSM_NOTIFY: /* XXX move from fsm to psm -> tsm */ if (fsm->goal == FSM_PKGINSTALL || fsm->goal == FSM_PKGBUILD) { rpmts ts = fsmGetTs(fsm); rpmfi fi = fsmGetFi(fsm); void * ptr; unsigned int archivePos = fdGetCpioPos(fsm->cfd); if (archivePos > fi->archivePos) { fi->archivePos = archivePos; ptr = rpmtsNotify(ts, fi->te, RPMCALLBACK_INST_PROGRESS, fi->archivePos, fi->archiveSize); } } break; case FSM_UNDO: if (fsm->postpone) break; if (fsm->goal == FSM_PKGINSTALL) { (void) fsmNext(fsm, (S_ISDIR(st->st_mode) ? FSM_RMDIR : FSM_UNLINK)); #ifdef NOTYET /* XXX remove only dirs just created, not all. */ if (fsm->dnlx) (void) fsmNext(fsm, FSM_RMDIRS); #endif errno = saveerrno; } /*@-boundswrite@*/ if (fsm->failedFile && *fsm->failedFile == NULL) *fsm->failedFile = xstrdup(fsm->path); /*@=boundswrite@*/ break; case FSM_FINI: if (!fsm->postpone && fsm->commit) { if (fsm->goal == FSM_PKGINSTALL) rc = ((!S_ISDIR(st->st_mode) && st->st_nlink > 1) ? fsmCommitLinks(fsm) : fsmNext(fsm, FSM_COMMIT)); if (fsm->goal == FSM_PKGCOMMIT) rc = fsmNext(fsm, FSM_COMMIT); if (fsm->goal == FSM_PKGERASE) rc = fsmNext(fsm, FSM_COMMIT); } fsm->path = _free(fsm->path); fsm->opath = _free(fsm->opath); /*@-boundswrite@*/ memset(st, 0, sizeof(*st)); memset(ost, 0, sizeof(*ost)); /*@=boundswrite@*/ break; case FSM_COMMIT: /* Rename pre-existing modified or unmanaged file. */ if (fsm->osuffix && fsm->diskchecked && (fsm->exists || (fsm->goal == FSM_PKGINSTALL && S_ISREG(st->st_mode)))) { const char * opath = fsm->opath; const char * path = fsm->path; fsm->opath = fsmFsPath(fsm, st, NULL, NULL); fsm->path = fsmFsPath(fsm, st, NULL, fsm->osuffix); rc = fsmNext(fsm, FSM_RENAME); if (!rc) { rpmMessage(RPMMESS_WARNING, _("%s saved as %s\n"), (fsm->opath ? fsm->opath : ""), (fsm->path ? fsm->path : "")); } fsm->path = _free(fsm->path); fsm->path = path; fsm->opath = _free(fsm->opath); fsm->opath = opath; } /* Remove erased files. */ if (fsm->goal == FSM_PKGERASE) { if (fsm->action == FA_ERASE) { rpmfi fi = fsmGetFi(fsm); if (S_ISDIR(st->st_mode)) { rc = fsmNext(fsm, FSM_RMDIR); if (!rc) break; switch (rc) { case CPIOERR_ENOENT: /* XXX rmdir("/") linux 2.2.x kernel hack */ case CPIOERR_ENOTEMPTY: /* XXX make sure that build side permits %missingok on directories. */ if (fsm->fflags & RPMFILE_MISSINGOK) /*@innerbreak@*/ break; /* XXX common error message. */ rpmError( (strict_erasures ? RPMERR_RMDIR : RPMDEBUG_RMDIR), _("%s rmdir of %s failed: Directory not empty\n"), rpmfiTypeString(fi), fsm->path); /*@innerbreak@*/ break; default: rpmError( (strict_erasures ? RPMERR_RMDIR : RPMDEBUG_RMDIR), _("%s rmdir of %s failed: %s\n"), rpmfiTypeString(fi), fsm->path, strerror(errno)); /*@innerbreak@*/ break; } } else { rc = fsmNext(fsm, FSM_UNLINK); if (!rc) break; switch (rc) { case CPIOERR_ENOENT: if (fsm->fflags & RPMFILE_MISSINGOK) /*@innerbreak@*/ break; /*@fallthrough@*/ default: rpmError( (strict_erasures ? RPMERR_UNLINK : RPMDEBUG_UNLINK), _("%s unlink of %s failed: %s\n"), rpmfiTypeString(fi), fsm->path, strerror(errno)); /*@innerbreak@*/ break; } } } /* XXX Failure to remove is not (yet) cause for failure. */ if (!strict_erasures) rc = 0; break; } /* XXX Special case /dev/log, which shouldn't be packaged anyways */ if (!S_ISSOCK(st->st_mode) && !IS_DEV_LOG(fsm->path)) { /* Rename temporary to final file name. */ if (!S_ISDIR(st->st_mode) && (fsm->subdir || fsm->suffix || fsm->nsuffix)) { fsm->opath = fsm->path; fsm->path = fsmFsPath(fsm, st, NULL, fsm->nsuffix); rc = fsmNext(fsm, FSM_RENAME); if (!rc && fsm->nsuffix) { const char * opath = fsmFsPath(fsm, st, NULL, NULL); rpmMessage(RPMMESS_WARNING, _("%s created as %s\n"), (opath ? opath : ""), (fsm->path ? fsm->path : "")); opath = _free(opath); } fsm->opath = _free(fsm->opath); } /* * Set file security context (if not disabled). */ if (!rc && !getuid()) { rc = fsmMapFContext(fsm); if (!rc) rc = fsmNext(fsm, FSM_LSETFCON); fsm->fcontext = NULL; } if (S_ISLNK(st->st_mode)) { if (!rc && !getuid()) rc = fsmNext(fsm, FSM_LCHOWN); } else { if (!rc && !getuid()) rc = fsmNext(fsm, FSM_CHOWN); if (!rc) rc = fsmNext(fsm, FSM_CHMOD); if (!rc) { time_t mtime = st->st_mtime; rpmfi fi = fsmGetFi(fsm); if (fi->fmtimes) st->st_mtime = fi->fmtimes[fsm->ix]; rc = fsmNext(fsm, FSM_UTIME); st->st_mtime = mtime; } } } /* Notify on success. */ if (!rc) rc = fsmNext(fsm, FSM_NOTIFY); else if (fsm->failedFile && *fsm->failedFile == NULL) { /*@-boundswrite@*/ *fsm->failedFile = fsm->path; /*@=boundswrite@*/ fsm->path = NULL; } break; case FSM_DESTROY: fsm->path = _free(fsm->path); /* Check for hard links missing from payload. */ while ((fsm->li = fsm->links) != NULL) { fsm->links = fsm->li->next; fsm->li->next = NULL; if (fsm->goal == FSM_PKGINSTALL && fsm->commit && fsm->li->linksLeft) { for (i = 0 ; i < fsm->li->linksLeft; i++) { if (fsm->li->filex[i] < 0) /*@innercontinue@*/ continue; rc = CPIOERR_MISSING_HARDLINK; if (fsm->failedFile && *fsm->failedFile == NULL) { fsm->ix = fsm->li->filex[i]; if (!fsmNext(fsm, FSM_MAP)) { /*@-boundswrite@*/ *fsm->failedFile = fsm->path; /*@=boundswrite@*/ fsm->path = NULL; } } /*@loopbreak@*/ break; } } if (fsm->goal == FSM_PKGBUILD && (fsm->mapFlags & CPIO_ALL_HARDLINKS)) { rc = CPIOERR_MISSING_HARDLINK; } fsm->li = freeHardLink(fsm->li); } fsm->ldn = _free(fsm->ldn); fsm->ldnalloc = fsm->ldnlen = 0; fsm->rdbuf = fsm->rdb = _free(fsm->rdb); fsm->wrbuf = fsm->wrb = _free(fsm->wrb); break; case FSM_VERIFY: if (fsm->diskchecked && !fsm->exists) { rc = CPIOERR_ENOENT; break; } if (S_ISREG(st->st_mode)) { char * path = alloca(strlen(fsm->path) + sizeof("-RPMDELETE")); /*@-boundswrite@*/ (void) stpcpy( stpcpy(path, fsm->path), "-RPMDELETE"); /*@=boundswrite@*/ /* * XXX HP-UX (and other os'es) don't permit unlink on busy * XXX files. */ fsm->opath = fsm->path; fsm->path = path; rc = fsmNext(fsm, FSM_RENAME); if (!rc) (void) fsmNext(fsm, FSM_UNLINK); else rc = CPIOERR_UNLINK_FAILED; fsm->path = fsm->opath; fsm->opath = NULL; return (rc ? rc : CPIOERR_ENOENT); /* XXX HACK */ /*@notreached@*/ break; } else if (S_ISDIR(st->st_mode)) { if (S_ISDIR(ost->st_mode)) return 0; if (S_ISLNK(ost->st_mode)) { rc = fsmUNSAFE(fsm, FSM_STAT); if (rc == CPIOERR_ENOENT) rc = 0; if (rc) break; errno = saveerrno; if (S_ISDIR(ost->st_mode)) return 0; } } else if (S_ISLNK(st->st_mode)) { if (S_ISLNK(ost->st_mode)) { /* XXX NUL terminated result in fsm->rdbuf, len in fsm->rdnb. */ rc = fsmUNSAFE(fsm, FSM_READLINK); errno = saveerrno; if (rc) break; if (!strcmp(fsm->opath, fsm->rdbuf)) return 0; } } else if (S_ISFIFO(st->st_mode)) { if (S_ISFIFO(ost->st_mode)) return 0; } else if (S_ISCHR(st->st_mode) || S_ISBLK(st->st_mode)) { if ((S_ISCHR(ost->st_mode) || S_ISBLK(ost->st_mode)) && (ost->st_rdev == st->st_rdev)) return 0; } else if (S_ISSOCK(st->st_mode)) { if (S_ISSOCK(ost->st_mode)) return 0; } /* XXX shouldn't do this with commit/undo. */ rc = 0; if (fsm->stage == FSM_PROCESS) rc = fsmNext(fsm, FSM_UNLINK); if (rc == 0) rc = CPIOERR_ENOENT; return (rc ? rc : CPIOERR_ENOENT); /* XXX HACK */ /*@notreached@*/ break; case FSM_UNLINK: if (fsm->mapFlags & CPIO_SBIT_CHECK) { struct stat stb; if (Lstat(fsm->path, &stb) == 0 && S_ISREG(stb.st_mode) && (stb.st_mode & 06000) != 0) chmod(fsm->path, stb.st_mode & 0777); } rc = Unlink(fsm->path); if (_fsm_debug && (stage & FSM_SYSCALL)) rpmMessage(RPMMESS_DEBUG, " %8s (%s) %s\n", cur, fsm->path, (rc < 0 ? strerror(errno) : "")); if (rc < 0) rc = (errno == ENOENT ? CPIOERR_ENOENT : CPIOERR_UNLINK_FAILED); break; case FSM_RENAME: rc = Rename(fsm->opath, fsm->path); #if defined(ETXTBSY) if (rc && errno == ETXTBSY) { char * path = alloca(strlen(fsm->path) + sizeof("-RPMDELETE")); (void) stpcpy( stpcpy(path, fsm->path), "-RPMDELETE"); /* * XXX HP-UX (and other os'es) don't permit rename to busy * XXX files. */ rc = Rename(fsm->path, path); if (!rc) rc = Rename(fsm->opath, fsm->path); } #endif if (_fsm_debug && (stage & FSM_SYSCALL)) rpmMessage(RPMMESS_DEBUG, " %8s (%s, %s) %s\n", cur, fsm->opath, fsm->path, (rc < 0 ? strerror(errno) : "")); if (rc < 0) rc = CPIOERR_RENAME_FAILED; break; case FSM_MKDIR: rc = Mkdir(fsm->path, (st->st_mode & 07777)); if (_fsm_debug && (stage & FSM_SYSCALL)) rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0%04o) %s\n", cur, fsm->path, (unsigned)(st->st_mode & 07777), (rc < 0 ? strerror(errno) : "")); if (rc < 0) rc = CPIOERR_MKDIR_FAILED; break; case FSM_RMDIR: rc = Rmdir(fsm->path); if (_fsm_debug && (stage & FSM_SYSCALL)) rpmMessage(RPMMESS_DEBUG, " %8s (%s) %s\n", cur, fsm->path, (rc < 0 ? strerror(errno) : "")); if (rc < 0) switch (errno) { case ENOENT: rc = CPIOERR_ENOENT; /*@switchbreak@*/ break; case ENOTEMPTY: rc = CPIOERR_ENOTEMPTY; /*@switchbreak@*/ break; default: rc = CPIOERR_RMDIR_FAILED; /*@switchbreak@*/ break; } break; case FSM_LSETFCON: if (fsm->fcontext == NULL || *fsm->fcontext == '\0' || !strcmp(fsm->fcontext, "<>")) break; rc = lsetfilecon(fsm->path, (security_context_t)fsm->fcontext); if (_fsm_debug && (stage & FSM_SYSCALL)) rpmMessage(RPMMESS_DEBUG, " %8s (%s, %s) %s\n", cur, fsm->path, fsm->fcontext, (rc < 0 ? strerror(errno) : "")); if (rc < 0) rc = (errno == EOPNOTSUPP ? 0 : CPIOERR_LSETFCON_FAILED); break; case FSM_CHOWN: rc = chown(fsm->path, st->st_uid, st->st_gid); if (_fsm_debug && (stage & FSM_SYSCALL)) rpmMessage(RPMMESS_DEBUG, " %8s (%s, %d, %d) %s\n", cur, fsm->path, (int)st->st_uid, (int)st->st_gid, (rc < 0 ? strerror(errno) : "")); if (rc < 0) rc = CPIOERR_CHOWN_FAILED; break; case FSM_LCHOWN: #if ! CHOWN_FOLLOWS_SYMLINK rc = lchown(fsm->path, st->st_uid, st->st_gid); if (_fsm_debug && (stage & FSM_SYSCALL)) rpmMessage(RPMMESS_DEBUG, " %8s (%s, %d, %d) %s\n", cur, fsm->path, (int)st->st_uid, (int)st->st_gid, (rc < 0 ? strerror(errno) : "")); if (rc < 0) rc = CPIOERR_CHOWN_FAILED; #endif break; case FSM_CHMOD: rc = chmod(fsm->path, (st->st_mode & 07777)); if (_fsm_debug && (stage & FSM_SYSCALL)) rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0%04o) %s\n", cur, fsm->path, (unsigned)(st->st_mode & 07777), (rc < 0 ? strerror(errno) : "")); if (rc < 0) rc = CPIOERR_CHMOD_FAILED; break; case FSM_UTIME: { struct utimbuf stamp; stamp.actime = st->st_mtime; stamp.modtime = st->st_mtime; rc = utime(fsm->path, &stamp); if (_fsm_debug && (stage & FSM_SYSCALL)) rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0x%x) %s\n", cur, fsm->path, (unsigned)st->st_mtime, (rc < 0 ? strerror(errno) : "")); if (rc < 0) rc = CPIOERR_UTIME_FAILED; } break; case FSM_SYMLINK: rc = symlink(fsm->opath, fsm->path); if (_fsm_debug && (stage & FSM_SYSCALL)) rpmMessage(RPMMESS_DEBUG, " %8s (%s, %s) %s\n", cur, fsm->opath, fsm->path, (rc < 0 ? strerror(errno) : "")); if (rc < 0) rc = CPIOERR_SYMLINK_FAILED; break; case FSM_LINK: rc = Link(fsm->opath, fsm->path); if (_fsm_debug && (stage & FSM_SYSCALL)) rpmMessage(RPMMESS_DEBUG, " %8s (%s, %s) %s\n", cur, fsm->opath, fsm->path, (rc < 0 ? strerror(errno) : "")); if (rc < 0) rc = CPIOERR_LINK_FAILED; break; case FSM_MKFIFO: rc = mkfifo(fsm->path, (st->st_mode & 07777)); if (_fsm_debug && (stage & FSM_SYSCALL)) rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0%04o) %s\n", cur, fsm->path, (unsigned)(st->st_mode & 07777), (rc < 0 ? strerror(errno) : "")); if (rc < 0) rc = CPIOERR_MKFIFO_FAILED; break; case FSM_MKNOD: /*@-unrecog -portability @*/ /* FIX: check S_IFIFO or dev != 0 */ rc = mknod(fsm->path, (st->st_mode & ~07777), st->st_rdev); /*@=unrecog =portability @*/ if (_fsm_debug && (stage & FSM_SYSCALL)) rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0%o, 0x%x) %s\n", cur, fsm->path, (unsigned)(st->st_mode & ~07777), (unsigned)st->st_rdev, (rc < 0 ? strerror(errno) : "")); if (rc < 0) rc = CPIOERR_MKNOD_FAILED; break; case FSM_LSTAT: rc = Lstat(fsm->path, ost); if (_fsm_debug && (stage & FSM_SYSCALL) && rc && errno != ENOENT) rpmMessage(RPMMESS_DEBUG, " %8s (%s, ost) %s\n", cur, fsm->path, (rc < 0 ? strerror(errno) : "")); if (rc < 0) { rc = (errno == ENOENT ? CPIOERR_ENOENT : CPIOERR_LSTAT_FAILED); memset(ost, 0, sizeof(*ost)); /* XXX s390x hackery */ } break; case FSM_STAT: rc = Stat(fsm->path, ost); if (_fsm_debug && (stage & FSM_SYSCALL) && rc && errno != ENOENT) rpmMessage(RPMMESS_DEBUG, " %8s (%s, ost) %s\n", cur, fsm->path, (rc < 0 ? strerror(errno) : "")); if (rc < 0) { rc = (errno == ENOENT ? CPIOERR_ENOENT : CPIOERR_STAT_FAILED); memset(ost, 0, sizeof(*ost)); /* XXX s390x hackery */ } break; case FSM_READLINK: /* XXX NUL terminated result in fsm->rdbuf, len in fsm->rdnb. */ /*@-boundswrite@*/ rc = Readlink(fsm->path, fsm->rdbuf, fsm->rdsize - 1); /*@=boundswrite@*/ if (_fsm_debug && (stage & FSM_SYSCALL)) rpmMessage(RPMMESS_DEBUG, " %8s (%s, rdbuf, %d) %s\n", cur, fsm->path, (int)(fsm->rdsize -1), (rc < 0 ? strerror(errno) : "")); if (rc < 0) rc = CPIOERR_READLINK_FAILED; else { fsm->rdnb = rc; /*@-boundswrite@*/ fsm->rdbuf[fsm->rdnb] = '\0'; /*@=boundswrite@*/ rc = 0; } break; case FSM_CHROOT: break; case FSM_NEXT: rc = fsmUNSAFE(fsm, FSM_HREAD); if (rc) break; if (!strcmp(fsm->path, CPIO_TRAILER)) { /* Detect end-of-payload. */ fsm->path = _free(fsm->path); rc = CPIOERR_HDR_TRAILER; } if (!rc) rc = fsmNext(fsm, FSM_POS); break; case FSM_EAT: for (left = st->st_size; left > 0; left -= fsm->rdnb) { fsm->wrlen = (left > fsm->wrsize ? fsm->wrsize : left); rc = fsmNext(fsm, FSM_DREAD); if (rc) /*@loopbreak@*/ break; } break; case FSM_POS: left = (modulo - (fdGetCpioPos(fsm->cfd) % modulo)) % modulo; if (left) { fsm->wrlen = left; (void) fsmNext(fsm, FSM_DREAD); } break; case FSM_PAD: left = (modulo - (fdGetCpioPos(fsm->cfd) % modulo)) % modulo; if (left) { /*@-boundswrite@*/ memset(fsm->rdbuf, 0, left); /*@=boundswrite@*/ /* XXX DWRITE uses rdnb for I/O length. */ fsm->rdnb = left; (void) fsmNext(fsm, FSM_DWRITE); } break; case FSM_TRAILER: rc = cpioTrailerWrite(fsm); break; case FSM_HREAD: rc = fsmNext(fsm, FSM_POS); if (!rc) rc = cpioHeaderRead(fsm, st); /* Read next payload header. */ break; case FSM_HWRITE: rc = cpioHeaderWrite(fsm, st); /* Write next payload header. */ break; case FSM_DREAD: /*@-boundswrite@*/ fsm->rdnb = Fread(fsm->wrbuf, sizeof(*fsm->wrbuf), fsm->wrlen, fsm->cfd); /*@=boundswrite@*/ if (_fsm_debug && (stage & FSM_SYSCALL)) rpmMessage(RPMMESS_DEBUG, " %8s (%s, %d, cfd)\trdnb %d\n", cur, (fsm->wrbuf == fsm->wrb ? "wrbuf" : "mmap"), (int)fsm->wrlen, (int)fsm->rdnb); if (fsm->rdnb != fsm->wrlen || Ferror(fsm->cfd)) rc = CPIOERR_READ_FAILED; if (fsm->rdnb > 0) fdSetCpioPos(fsm->cfd, fdGetCpioPos(fsm->cfd) + fsm->rdnb); break; case FSM_DWRITE: fsm->wrnb = Fwrite(fsm->rdbuf, sizeof(*fsm->rdbuf), fsm->rdnb, fsm->cfd); if (_fsm_debug && (stage & FSM_SYSCALL)) rpmMessage(RPMMESS_DEBUG, " %8s (%s, %d, cfd)\twrnb %d\n", cur, (fsm->rdbuf == fsm->rdb ? "rdbuf" : "mmap"), (int)fsm->rdnb, (int)fsm->wrnb); if (fsm->rdnb != fsm->wrnb || Ferror(fsm->cfd)) rc = CPIOERR_WRITE_FAILED; if (fsm->wrnb > 0) fdSetCpioPos(fsm->cfd, fdGetCpioPos(fsm->cfd) + fsm->wrnb); break; case FSM_ROPEN: fsm->rfd = Fopen(fsm->path, "r.ufdio"); if (fsm->rfd == NULL || Ferror(fsm->rfd)) { if (fsm->rfd != NULL) (void) fsmNext(fsm, FSM_RCLOSE); fsm->rfd = NULL; rc = CPIOERR_OPEN_FAILED; break; } if (_fsm_debug && (stage & FSM_SYSCALL)) rpmMessage(RPMMESS_DEBUG, " %8s (%s, \"r\") rfd %p rdbuf %p\n", cur, fsm->path, fsm->rfd, fsm->rdbuf); break; case FSM_READ: /*@-boundswrite@*/ fsm->rdnb = Fread(fsm->rdbuf, sizeof(*fsm->rdbuf), fsm->rdlen, fsm->rfd); /*@=boundswrite@*/ if (_fsm_debug && (stage & FSM_SYSCALL)) rpmMessage(RPMMESS_DEBUG, " %8s (rdbuf, %d, rfd)\trdnb %d\n", cur, (int)fsm->rdlen, (int)fsm->rdnb); if (fsm->rdnb != fsm->rdlen || Ferror(fsm->rfd)) rc = CPIOERR_READ_FAILED; break; case FSM_RCLOSE: if (fsm->rfd != NULL) { if (_fsm_debug && (stage & FSM_SYSCALL)) rpmMessage(RPMMESS_DEBUG, " %8s (%p)\n", cur, fsm->rfd); (void) rpmswAdd(rpmtsOp(fsmGetTs(fsm), RPMTS_OP_DIGEST), fdstat_op(fsm->rfd, FDSTAT_DIGEST)); (void) Fclose(fsm->rfd); errno = saveerrno; } fsm->rfd = NULL; break; case FSM_WOPEN: fsm->wfd = Fopen(fsm->path, "w.ufdio"); if (fsm->wfd == NULL || Ferror(fsm->wfd)) { if (fsm->wfd != NULL) (void) fsmNext(fsm, FSM_WCLOSE); fsm->wfd = NULL; rc = CPIOERR_OPEN_FAILED; } if (_fsm_debug && (stage & FSM_SYSCALL)) rpmMessage(RPMMESS_DEBUG, " %8s (%s, \"w\") wfd %p wrbuf %p\n", cur, fsm->path, fsm->wfd, fsm->wrbuf); break; case FSM_WRITE: fsm->wrnb = Fwrite(fsm->wrbuf, sizeof(*fsm->wrbuf), fsm->rdnb, fsm->wfd); if (_fsm_debug && (stage & FSM_SYSCALL)) rpmMessage(RPMMESS_DEBUG, " %8s (wrbuf, %d, wfd)\twrnb %d\n", cur, (int)fsm->rdnb, (int)fsm->wrnb); if (fsm->rdnb != fsm->wrnb || Ferror(fsm->wfd)) rc = CPIOERR_WRITE_FAILED; break; case FSM_WCLOSE: if (fsm->wfd != NULL) { if (_fsm_debug && (stage & FSM_SYSCALL)) rpmMessage(RPMMESS_DEBUG, " %8s (%p)\n", cur, fsm->wfd); (void) rpmswAdd(rpmtsOp(fsmGetTs(fsm), RPMTS_OP_DIGEST), fdstat_op(fsm->wfd, FDSTAT_DIGEST)); (void) Fclose(fsm->wfd); errno = saveerrno; } fsm->wfd = NULL; break; default: break; } /*@=branchstate@*/ if (!(stage & FSM_INTERNAL)) { fsm->rc = (rc == CPIOERR_HDR_TRAILER ? 0 : rc); } return rc; } /*@=compmempass@*/ /*@=boundsread@*/ /*@obserever@*/ const char * fileActionString(fileAction a) { switch (a) { case FA_UNKNOWN: return "unknown"; case FA_CREATE: return "create"; case FA_COPYOUT: return "copyout"; case FA_COPYIN: return "copyin"; case FA_BACKUP: return "backup"; case FA_SAVE: return "save"; case FA_SKIP: return "skip"; case FA_ALTNAME: return "altname"; case FA_ERASE: return "erase"; case FA_SKIPNSTATE: return "skipnstate"; case FA_SKIPNETSHARED: return "skipnetshared"; case FA_SKIPCOLOR: return "skipcolor"; default: return "???"; } /*@notreached@*/ } /*@observer@*/ const char * fileStageString(fileStage a) { switch(a) { case FSM_UNKNOWN: return "unknown"; case FSM_PKGINSTALL:return "INSTALL"; case FSM_PKGERASE: return "ERASE"; case FSM_PKGBUILD: return "BUILD"; case FSM_PKGCOMMIT: return "COMMIT"; case FSM_PKGUNDO: return "UNDO"; case FSM_CREATE: return "create"; case FSM_INIT: return "init"; case FSM_MAP: return "map"; case FSM_MKDIRS: return "mkdirs"; case FSM_RMDIRS: return "rmdirs"; case FSM_PRE: return "pre"; case FSM_PROCESS: return "process"; case FSM_POST: return "post"; case FSM_MKLINKS: return "mklinks"; case FSM_NOTIFY: return "notify"; case FSM_UNDO: return "undo"; case FSM_FINI: return "fini"; case FSM_COMMIT: return "commit"; case FSM_DESTROY: return "destroy"; case FSM_VERIFY: return "verify"; case FSM_UNLINK: return "Unlink"; case FSM_RENAME: return "Rename"; case FSM_MKDIR: return "Mkdir"; case FSM_RMDIR: return "rmdir"; case FSM_LSETFCON: return "lsetfcon"; case FSM_CHOWN: return "chown"; case FSM_LCHOWN: return "lchown"; case FSM_CHMOD: return "chmod"; case FSM_UTIME: return "utime"; case FSM_SYMLINK: return "symlink"; case FSM_LINK: return "Link"; case FSM_MKFIFO: return "mkfifo"; case FSM_MKNOD: return "mknod"; case FSM_LSTAT: return "Lstat"; case FSM_STAT: return "Stat"; case FSM_READLINK: return "Readlink"; case FSM_CHROOT: return "chroot"; case FSM_NEXT: return "next"; case FSM_EAT: return "eat"; case FSM_POS: return "pos"; case FSM_PAD: return "pad"; case FSM_TRAILER: return "trailer"; case FSM_HREAD: return "hread"; case FSM_HWRITE: return "hwrite"; case FSM_DREAD: return "Fread"; case FSM_DWRITE: return "Fwrite"; case FSM_ROPEN: return "Fopen"; case FSM_READ: return "Fread"; case FSM_RCLOSE: return "Fclose"; case FSM_WOPEN: return "Fopen"; case FSM_WRITE: return "Fwrite"; case FSM_WCLOSE: return "Fclose"; default: return "???"; } /*@noteached@*/ }