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lib/fsm.c

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00001 
00006 #include "system.h"
00007 
00008 #include "psm.h"
00009 #include "rpmerr.h"
00010 #include "debug.h"
00011 
00012 /*@access FD_t @*/
00013 /*@access rpmTransactionSet @*/
00014 /*@access TFI_t @*/
00015 /*@access FSMI_t @*/
00016 /*@access FSM_t @*/
00017 
00018 #define alloca_strdup(_s)       strcpy(alloca(strlen(_s)+1), (_s))
00019 
00020 int _fsm_debug = 0;
00021 
00022 /* XXX Failure to remove is not (yet) cause for failure. */
00023 /*@-exportlocal -exportheadervar@*/
00024 int strict_erasures = 0;
00025 /*@=exportlocal =exportheadervar@*/
00026 
00027 rpmTransactionSet fsmGetTs(const FSM_t fsm) {
00028     const FSMI_t iter = fsm->iter;
00029     /*@-retexpose@*/
00030     return (iter ? iter->ts : NULL);
00031     /*@=retexpose@*/
00032 }
00033 
00034 TFI_t fsmGetFi(const FSM_t fsm)
00035 {
00036     const FSMI_t iter = fsm->iter;
00037     /*@-retexpose@*/
00038     return (iter ? iter->fi : NULL);
00039     /*@=retexpose@*/
00040 }
00041 
00042 #define SUFFIX_RPMORIG  ".rpmorig"
00043 #define SUFFIX_RPMSAVE  ".rpmsave"
00044 #define SUFFIX_RPMNEW   ".rpmnew"
00045 
00054 static /*@only@*//*@null@*/
00055 const char * fsmFsPath(/*@special@*/ /*@null@*/ const FSM_t fsm,
00056                 /*@null@*/ const struct stat * st,
00057                 /*@null@*/ const char * subdir,
00058                 /*@null@*/ const char * suffix)
00059         /*@uses fsm->dirName, fsm->baseName */
00060 {
00061     const char * s = NULL;
00062 
00063     if (fsm) {
00064         int nb;
00065         char * t;
00066         /*@-nullpass@*/         /* LCL: subdir/suffix != NULL */
00067         nb = strlen(fsm->dirName) +
00068             (st && subdir && !S_ISDIR(st->st_mode) ? strlen(subdir) : 0) +
00069             (st && suffix && !S_ISDIR(st->st_mode) ? strlen(suffix) : 0) +
00070             strlen(fsm->baseName) + 1;
00071         s = t = xmalloc(nb);
00072         t = stpcpy(t, fsm->dirName);
00073         if (st && subdir && !S_ISDIR(st->st_mode))
00074             t = stpcpy(t, subdir);
00075         t = stpcpy(t, fsm->baseName);
00076         if (st && suffix && !S_ISDIR(st->st_mode))
00077             t = stpcpy(t, suffix);
00078         /*@=nullpass@*/
00079     }
00080     return s;
00081 }
00082 
00088 static /*@null@*/ void * mapFreeIterator(/*@only@*//*@null@*/const void * p)
00089 {
00090     return _free((void *)p);
00091 }
00092 
00099 static void *
00100 mapInitIterator(/*@kept@*/ const void * a, /*@kept@*/ const void * b)
00101 {
00102     rpmTransactionSet ts = (void *)a;
00103     TFI_t fi = (void *)b;
00104     FSMI_t iter = NULL;
00105 
00106     iter = xcalloc(1, sizeof(*iter));
00107     /*@-assignexpose@*/
00108     iter->ts = ts;
00109     iter->fi = fi;
00110     /*@=assignexpose@*/
00111     iter->reverse = (fi->type == TR_REMOVED && fi->action != FA_COPYOUT);
00112     iter->i = (iter->reverse ? (fi->fc - 1) : 0);
00113     iter->isave = iter->i;
00114     return iter;
00115 }
00116 
00122 static int mapNextIterator(void * a) {
00123     FSMI_t iter = a;
00124     const TFI_t fi = iter->fi;
00125     int i = -1;
00126 
00127     if (iter->reverse) {
00128         if (iter->i >= 0)       i = iter->i--;
00129     } else {
00130         if (iter->i < fi->fc)   i = iter->i++;
00131     }
00132     iter->isave = i;
00133     return i;
00134 }
00135 
00138 static int cpioStrCmp(const void * a, const void * b)
00139         /*@*/
00140 {
00141     const char * afn = *(const char **)a;
00142     const char * bfn = *(const char **)b;
00143 
00144     /* Match rpm-4.0 payloads with ./ prefixes. */
00145     if (afn[0] == '.' && afn[1] == '/') afn += 2;
00146     if (bfn[0] == '.' && bfn[1] == '/') bfn += 2;
00147 
00148     /* If either path is absolute, make it relative. */
00149     if (afn[0] == '/')  afn += 1;
00150     if (bfn[0] == '/')  bfn += 1;
00151 
00152     return strcmp(afn, bfn);
00153 }
00154 
00161 static int mapFind(void * a, const char * fsmPath)
00162         /*@*/
00163 {
00164     FSMI_t iter = a;
00165     const TFI_t fi = iter->fi;
00166     int ix = -1;
00167 
00168     if (fi && fi->fc > 0 && fi->apath && fsmPath && *fsmPath) {
00169         const char ** p = NULL;
00170 
00171         if (fi->apath != NULL)
00172             p = bsearch(&fsmPath, fi->apath, fi->fc, sizeof(fsmPath),
00173                         cpioStrCmp);
00174         if (p) {
00175             iter->i = p - fi->apath;
00176             ix = mapNextIterator(iter);
00177         }
00178     }
00179     return ix;
00180 }
00181 
00185 typedef struct dnli_s {
00186 /*@dependent@*/ TFI_t fi;
00187 /*@only@*/ /*@null@*/ char * active;
00188     int reverse;
00189     int isave;
00190     int i;
00191 } * DNLI_t;
00192 
00198 static /*@null@*/ void * dnlFreeIterator(/*@only@*//*@null@*/ const void * a)
00199         /*@modifies a @*/
00200 {
00201     if (a) {
00202         DNLI_t dnli = (void *)a;
00203         if (dnli->active) free(dnli->active);
00204     }
00205     return _free(a);
00206 }
00207 
00210 static inline int dnlCount(const DNLI_t dnli)
00211         /*@*/
00212 {
00213     return (dnli ? dnli->fi->dc : 0);
00214 }
00215 
00218 static inline int dnlIndex(const DNLI_t dnli)
00219         /*@*/
00220 {
00221     return (dnli ? dnli->isave : -1);
00222 }
00223 
00230 static /*@only@*/ void * dnlInitIterator(/*@special@*/ const FSM_t fsm,
00231                 int reverse)
00232         /*@uses fsm->iter @*/ 
00233         /*@*/
00234 {
00235     TFI_t fi = fsmGetFi(fsm);
00236     DNLI_t dnli;
00237     int i, j;
00238 
00239     if (fi == NULL)
00240         return NULL;
00241     dnli = xcalloc(1, sizeof(*dnli));
00242     dnli->fi = fi;
00243     dnli->reverse = reverse;
00244     dnli->i = (reverse ? fi->dc : 0);
00245 
00246     if (fi->dc) {
00247         dnli->active = xcalloc(fi->dc, sizeof(*dnli->active));
00248 
00249         /* Identify parent directories not skipped. */
00250         for (i = 0; i < fi->fc; i++)
00251             if (!XFA_SKIPPING(fi->actions[i])) dnli->active[fi->dil[i]] = 1;
00252 
00253         /* Exclude parent directories that are explicitly included. */
00254         for (i = 0; i < fi->fc; i++) {
00255             int dil, dnlen, bnlen;
00256 
00257             if (!S_ISDIR(fi->fmodes[i]))
00258                 continue;
00259 
00260             dil = fi->dil[i];
00261             dnlen = strlen(fi->dnl[dil]);
00262             bnlen = strlen(fi->bnl[i]);
00263 
00264             for (j = 0; j < fi->dc; j++) {
00265                 const char * dnl;
00266                 int jlen;
00267 
00268                 if (!dnli->active[j] || j == dil) continue;
00269                 dnl = fi->dnl[j];
00270                 jlen = strlen(dnl);
00271                 if (jlen != (dnlen+bnlen+1)) continue;
00272                 if (strncmp(dnl, fi->dnl[dil], dnlen)) continue;
00273                 if (strncmp(dnl+dnlen, fi->bnl[i], bnlen)) continue;
00274                 if (dnl[dnlen+bnlen] != '/' || dnl[dnlen+bnlen+1] != '\0')
00275                     continue;
00276                 /* This directory is included in the package. */
00277                 dnli->active[j] = 0;
00278                 /*@innerbreak@*/ break;
00279             }
00280         }
00281 
00282         /* Print only once per package. */
00283         if (!reverse) {
00284             j = 0;
00285             for (i = 0; i < fi->dc; i++) {
00286                 if (!dnli->active[i]) continue;
00287                 if (j == 0) {
00288                     j = 1;
00289                     rpmMessage(RPMMESS_DEBUG,
00290         _("========= Directories not explictly included in package:\n"));
00291                 }
00292                 rpmMessage(RPMMESS_DEBUG, _("%9d %s\n"), i, fi->dnl[i]);
00293             }
00294             if (j)
00295                 rpmMessage(RPMMESS_DEBUG, "=========\n");
00296         }
00297     }
00298     return dnli;
00299 }
00300 
00306 static /*@observer@*/ const char * dnlNextIterator(/*@null@*/ DNLI_t dnli)
00307         /*@modifies dnli @*/
00308 {
00309     const char * dn = NULL;
00310 
00311     if (dnli) {
00312         TFI_t fi = dnli->fi;
00313         int i = -1;
00314 
00315         if (dnli->active)
00316         do {
00317             i = (!dnli->reverse ? dnli->i++ : --dnli->i);
00318         } while (i >= 0 && i < fi->dc && !dnli->active[i]);
00319 
00320         if (i >= 0 && i < fi->dc)
00321             dn = fi->dnl[i];
00322         else
00323             i = -1;
00324         dnli->isave = i;
00325     }
00326     return dn;
00327 }
00328 
00334 /*@-compmempass@*/
00335 static int saveHardLink(/*@special@*/ /*@partial@*/ FSM_t fsm)
00336         /*@uses fsm->links, fsm->ix, fsm->sb, fsm->goal, fsm->nsuffix @*/
00337         /*@defines fsm->li @*/
00338         /*@releases fsm->path @*/
00339         /*@modifies fsm @*/
00340 {
00341     struct stat * st = &fsm->sb;
00342     int rc = 0;
00343     int ix = -1;
00344     int j;
00345 
00346     /* Find hard link set. */
00347     for (fsm->li = fsm->links; fsm->li; fsm->li = fsm->li->next) {
00348         if (fsm->li->sb.st_ino == st->st_ino && fsm->li->sb.st_dev == st->st_dev)
00349             break;
00350     }
00351 
00352     /* New hard link encountered, add new link to set. */
00353     if (fsm->li == NULL) {
00354         fsm->li = xcalloc(1, sizeof(*fsm->li));
00355         fsm->li->next = NULL;
00356         fsm->li->sb = *st;      /* structure assignment */
00357         fsm->li->nlink = st->st_nlink;
00358         fsm->li->linkIndex = fsm->ix;
00359         fsm->li->createdPath = -1;
00360 
00361         fsm->li->filex = xcalloc(st->st_nlink, sizeof(fsm->li->filex[0]));
00362         memset(fsm->li->filex, -1, (st->st_nlink * sizeof(fsm->li->filex[0])));
00363         fsm->li->nsuffix = xcalloc(st->st_nlink, sizeof(*fsm->li->nsuffix));
00364 
00365         if (fsm->goal == FSM_PKGBUILD)
00366             fsm->li->linksLeft = st->st_nlink;
00367         if (fsm->goal == FSM_PKGINSTALL)
00368             fsm->li->linksLeft = 0;
00369 
00370         /*@-kepttrans@*/
00371         fsm->li->next = fsm->links;
00372         /*@=kepttrans@*/
00373         fsm->links = fsm->li;
00374     }
00375 
00376     if (fsm->goal == FSM_PKGBUILD) --fsm->li->linksLeft;
00377     fsm->li->filex[fsm->li->linksLeft] = fsm->ix;
00378     /*@-observertrans -dependenttrans@*/
00379     fsm->li->nsuffix[fsm->li->linksLeft] = fsm->nsuffix;
00380     /*@=observertrans =dependenttrans@*/
00381     if (fsm->goal == FSM_PKGINSTALL) fsm->li->linksLeft++;
00382 
00383     if (fsm->goal == FSM_PKGBUILD)
00384         return (fsm->li->linksLeft > 0);
00385 
00386     if (fsm->goal != FSM_PKGINSTALL)
00387         return 0;
00388 
00389     if (!(st->st_size || fsm->li->linksLeft == st->st_nlink))
00390         return 1;
00391 
00392     /* Here come the bits, time to choose a non-skipped file name. */
00393     {   TFI_t fi = fsmGetFi(fsm);
00394 
00395         for (j = fsm->li->linksLeft - 1; j >= 0; j--) {
00396             ix = fsm->li->filex[j];
00397             if (ix < 0 || XFA_SKIPPING(fi->actions[ix]))
00398                 continue;
00399             break;
00400         }
00401     }
00402 
00403     /* Are all links skipped or not encountered yet? */
00404     if (ix < 0 || j < 0)
00405         return 1;       /* XXX W2DO? */
00406 
00407     /* Save the non-skipped file name and map index. */
00408     fsm->li->linkIndex = j;
00409     fsm->path = _free(fsm->path);
00410     fsm->ix = ix;
00411     rc = fsmStage(fsm, FSM_MAP);
00412     /*@-nullstate@*/    /* FIX: fsm->path null annotation? */
00413     return rc;
00414     /*@=nullstate@*/
00415 }
00416 /*@=compmempass@*/
00417 
00422 static /*@null@*/ void * freeHardLink(/*@only@*/ /*@null@*/ struct hardLink * li)
00423         /*@modifies li @*/
00424 {
00425     if (li) {
00426         li->nsuffix = _free(li->nsuffix);       /* XXX elements are shared */
00427         li->filex = _free(li->filex);
00428     }
00429     return _free(li);
00430 }
00431 
00432 FSM_t newFSM(void)
00433 {
00434     FSM_t fsm = xcalloc(1, sizeof(*fsm));
00435     return fsm;
00436 }
00437 
00438 FSM_t freeFSM(FSM_t fsm)
00439 {
00440     if (fsm) {
00441         fsm->path = _free(fsm->path);
00442         while ((fsm->li = fsm->links) != NULL) {
00443             fsm->links = fsm->li->next;
00444             fsm->li->next = NULL;
00445             fsm->li = freeHardLink(fsm->li);
00446         }
00447         fsm->dnlx = _free(fsm->dnlx);
00448         fsm->ldn = _free(fsm->ldn);
00449         fsm->iter = mapFreeIterator(fsm->iter);
00450     }
00451     return _free(fsm);
00452 }
00453 
00454 int fsmSetup(FSM_t fsm, fileStage goal,
00455                 const rpmTransactionSet ts, const TFI_t fi, FD_t cfd,
00456                 unsigned int * archiveSize, const char ** failedFile)
00457 {
00458     size_t pos = 0;
00459     int rc, ec = 0;
00460 
00461     fsm->goal = goal;
00462     if (cfd) {
00463         fsm->cfd = fdLink(cfd, "persist (fsm)");
00464         pos = fdGetCpioPos(fsm->cfd);
00465         fdSetCpioPos(fsm->cfd, 0);
00466     }
00467     fsm->iter = mapInitIterator(ts, fi);
00468 
00469     if (fsm->goal == FSM_PKGINSTALL) {
00470         if (ts && ts->notify) {
00471             (void)ts->notify(fi->h, RPMCALLBACK_INST_START, 0, fi->archiveSize,
00472                 (fi->ap ? fi->ap->key : NULL), ts->notifyData);
00473         }
00474     }
00475 
00476     /*@-assignexpose@*/
00477     fsm->archiveSize = archiveSize;
00478     if (fsm->archiveSize)
00479         *fsm->archiveSize = 0;
00480     fsm->failedFile = failedFile;
00481     if (fsm->failedFile)
00482         *fsm->failedFile = NULL;
00483     /*@=assignexpose@*/
00484 
00485     memset(fsm->sufbuf, 0, sizeof(fsm->sufbuf));
00486     if (fsm->goal == FSM_PKGINSTALL) {
00487         if (ts && ts->id > 0)
00488             sprintf(fsm->sufbuf, ";%08x", (unsigned)ts->id);
00489     }
00490 
00491     ec = fsm->rc = 0;
00492     rc = fsmStage(fsm, FSM_CREATE);
00493     if (rc && !ec) ec = rc;
00494 
00495     rc = fsmStage(fsm, fsm->goal);
00496     if (rc && !ec) ec = rc;
00497 
00498     if (fsm->archiveSize && ec == 0)
00499         *fsm->archiveSize = (fdGetCpioPos(fsm->cfd) - pos);
00500 
00501    return ec;
00502 }
00503 
00504 int fsmTeardown(FSM_t fsm) {
00505     int rc = fsm->rc;
00506 
00507     if (!rc)
00508         rc = fsmStage(fsm, FSM_DESTROY);
00509 
00510     fsm->iter = mapFreeIterator(fsm->iter);
00511     if (fsm->cfd) {
00512         fsm->cfd = fdFree(fsm->cfd, "persist (fsm)");
00513         fsm->cfd = NULL;
00514     }
00515     fsm->failedFile = NULL;
00516     /*@-nullstate@*/    /* FIX: fsm->iter null annotation? */
00517     return rc;
00518     /*@=nullstate@*/
00519 }
00520 
00521 int fsmMapPath(FSM_t fsm)
00522 {
00523     TFI_t fi = fsmGetFi(fsm);   /* XXX const except for fstates */
00524     int rc = 0;
00525     int i;
00526 
00527     fsm->osuffix = NULL;
00528     fsm->nsuffix = NULL;
00529     fsm->astriplen = 0;
00530     fsm->action = FA_UNKNOWN;
00531     fsm->mapFlags = 0;
00532 
00533     i = fsm->ix;
00534     if (fi && i >= 0 && i < fi->fc) {
00535 
00536         fsm->astriplen = fi->astriplen;
00537         fsm->action = (fi->actions ? fi->actions[i] : fi->action);
00538         fsm->fflags = (fi->fflags ? fi->fflags[i] : fi->flags);
00539         fsm->mapFlags = (fi->fmapflags ? fi->fmapflags[i] : fi->mapflags);
00540 
00541         /* src rpms have simple base name in payload. */
00542         fsm->dirName = fi->dnl[fi->dil[i]];
00543         fsm->baseName = fi->bnl[i];
00544 
00545         switch (fsm->action) {
00546         case FA_SKIP:
00547             break;
00548         case FA_SKIPMULTILIB:   /* XXX RPMFILE_STATE_MULTILIB? */
00549             break;
00550         case FA_UNKNOWN:
00551             break;
00552 
00553         case FA_COPYOUT:
00554             break;
00555         case FA_COPYIN:
00556         case FA_CREATE:
00557 assert(fi->type == TR_ADDED);
00558             break;
00559 
00560         case FA_SKIPNSTATE:
00561             if (fi->fstates && fi->type == TR_ADDED)
00562                 fi->fstates[i] = RPMFILE_STATE_NOTINSTALLED;
00563             break;
00564 
00565         case FA_SKIPNETSHARED:
00566             if (fi->fstates && fi->type == TR_ADDED)
00567                 fi->fstates[i] = RPMFILE_STATE_NETSHARED;
00568             break;
00569 
00570         case FA_BACKUP:
00571             if (!(fsm->fflags & RPMFILE_GHOST)) /* XXX Don't if %ghost file. */
00572             switch (fi->type) {
00573             case TR_ADDED:
00574                 fsm->osuffix = SUFFIX_RPMORIG;
00575                 break;
00576             case TR_REMOVED:
00577                 fsm->osuffix = SUFFIX_RPMSAVE;
00578                 break;
00579             }
00580             break;
00581 
00582         case FA_ALTNAME:
00583 assert(fi->type == TR_ADDED);
00584             if (!(fsm->fflags & RPMFILE_GHOST)) /* XXX Don't if %ghost file. */
00585                 fsm->nsuffix = SUFFIX_RPMNEW;
00586             break;
00587 
00588         case FA_SAVE:
00589 assert(fi->type == TR_ADDED);
00590             if (!(fsm->fflags & RPMFILE_GHOST)) /* XXX Don't if %ghost file. */
00591                 fsm->osuffix = SUFFIX_RPMSAVE;
00592             break;
00593         case FA_ERASE:
00594             assert(fi->type == TR_REMOVED);
00595             /*
00596              * XXX TODO: %ghost probably shouldn't be removed, but that changes
00597              * legacy rpm behavior.
00598              */
00599             break;
00600         default:
00601             break;
00602         }
00603 
00604         if ((fsm->mapFlags & CPIO_MAP_PATH) || fsm->nsuffix) {
00605             const struct stat * st = &fsm->sb;
00606             fsm->path = _free(fsm->path);
00607             /*@-nullstate@*/    /* FIX: fsm->path null annotation? */
00608             fsm->path = fsmFsPath(fsm, st, fsm->subdir,
00609                 (fsm->suffix ? fsm->suffix : fsm->nsuffix));
00610             /*@=nullstate@*/
00611         }
00612     }
00613     return rc;
00614 }
00615 
00616 int fsmMapAttrs(FSM_t fsm)
00617 {
00618     struct stat * st = &fsm->sb;
00619     TFI_t fi = fsmGetFi(fsm);
00620     int i = fsm->ix;
00621 
00622     if (fi && i >= 0 && i < fi->fc) {
00623         mode_t perms =
00624                 (S_ISDIR(st->st_mode) ? fi->dperms : fi->fperms);
00625         mode_t finalMode =
00626                 (fi->fmodes ? fi->fmodes[i] : perms);
00627         uid_t finalUid =
00628                 (fi->fuids ? fi->fuids[i] : fi->uid); /* XXX chmod u-s */
00629         gid_t finalGid =
00630                 (fi->fgids ? fi->fgids[i] : fi->gid); /* XXX chmod g-s */
00631         dev_t finalRdev =
00632                 (fi->frdevs ? fi->frdevs[i] : 0);
00633         int_32 finalMtime =
00634                 (fi->fmtimes ? fi->fmtimes[i] : 0);
00635 
00636         if (fsm->mapFlags & CPIO_MAP_MODE)
00637             st->st_mode = (st->st_mode & S_IFMT) | (finalMode & ~S_IFMT);
00638         if (fsm->mapFlags & CPIO_MAP_TYPE) {
00639             st->st_mode = (st->st_mode & ~S_IFMT) | (finalMode & S_IFMT);
00640             if ((S_ISCHR(st->st_mode) || S_ISBLK(st->st_mode))
00641             && st->st_nlink == 0)
00642                 st->st_nlink = 1;
00643             st->st_rdev = finalRdev;
00644             st->st_mtime = finalMtime;
00645         }
00646         if (fsm->mapFlags & CPIO_MAP_UID)
00647             st->st_uid = finalUid;
00648         if (fsm->mapFlags & CPIO_MAP_GID)
00649             st->st_gid = finalGid;
00650 
00651         fsm->fmd5sum = (fi->fmd5s ? fi->fmd5s[i] : NULL);
00652 
00653     }
00654     return 0;
00655 }
00656 
00663 static int expandRegular(/*@special@*/ FSM_t fsm)
00664         /*@uses fsm->sb @*/
00665         /*@modifies fsm, fileSystem @*/
00666 {
00667     const char * fmd5sum;
00668     const struct stat * st = &fsm->sb;
00669     int left = st->st_size;
00670     int rc = 0;
00671 
00672     rc = fsmStage(fsm, FSM_WOPEN);
00673     if (rc)
00674         goto exit;
00675 
00676     /* XXX md5sum's will break on repackaging that includes modified files. */
00677     fmd5sum = fsm->fmd5sum;
00678 
00679     /* XXX This doesn't support brokenEndian checks. */
00680     if (st->st_size > 0 && fmd5sum)
00681         fdInitMD5(fsm->wfd, 0);
00682 
00683     while (left) {
00684 
00685         fsm->wrlen = (left > fsm->wrsize ? fsm->wrsize : left);
00686         rc = fsmStage(fsm, FSM_DREAD);
00687         if (rc)
00688             goto exit;
00689 
00690         rc = fsmStage(fsm, FSM_WRITE);
00691         if (rc)
00692             goto exit;
00693 
00694         left -= fsm->wrnb;
00695 
00696         /* don't call this with fileSize == fileComplete */
00697         if (!rc && left)
00698             (void) fsmStage(fsm, FSM_NOTIFY);
00699     }
00700 
00701     if (st->st_size > 0 && fmd5sum) {
00702         const char * md5sum = NULL;
00703 
00704         (void) Fflush(fsm->wfd);
00705         fdFiniMD5(fsm->wfd, (void **)&md5sum, NULL, 1);
00706 
00707         if (md5sum == NULL) {
00708             rc = CPIOERR_MD5SUM_MISMATCH;
00709         } else {
00710             if (strcmp(md5sum, fmd5sum))
00711                 rc = CPIOERR_MD5SUM_MISMATCH;
00712             md5sum = _free(md5sum);
00713         }
00714     }
00715 
00716 exit:
00717     (void) fsmStage(fsm, FSM_WCLOSE);
00718     return rc;
00719 }
00720 
00727 static int writeFile(/*@special@*/ FSM_t fsm, int writeData)
00728         /*@uses fsm->path, fsm->opath, fsm->sb, fsm->osb, fsm->cfd @*/
00729         /*@modifies fsm, fileSystem @*/
00730 {
00731     const char * path = fsm->path;
00732     const char * opath = fsm->opath;
00733     struct stat * st = &fsm->sb;
00734     struct stat * ost = &fsm->osb;
00735     size_t pos = fdGetCpioPos(fsm->cfd);
00736     char * symbuf = NULL;
00737     int left;
00738     int rc;
00739 
00740     st->st_size = (writeData ? ost->st_size : 0);
00741 
00742     if (S_ISDIR(st->st_mode)) {
00743         st->st_size = 0;
00744     } else if (S_ISLNK(st->st_mode)) {
00745         /*
00746          * While linux puts the size of a symlink in the st_size field,
00747          * I don't think that's a specified standard.
00748          */
00749         /* XXX NUL terminated result in fsm->rdbuf, len in fsm->rdnb. */
00750         rc = fsmStage(fsm, FSM_READLINK);
00751         if (rc) goto exit;
00752         st->st_size = fsm->rdnb;
00753         symbuf = alloca_strdup(fsm->rdbuf);     /* XXX save readlink return. */
00754     }
00755 
00756     if (fsm->mapFlags & CPIO_MAP_ABSOLUTE) {
00757         int nb = strlen(fsm->dirName) + strlen(fsm->baseName) + sizeof(".");
00758         char * t = alloca(nb);
00759         *t = '\0';
00760         fsm->path = t;
00761         if (fsm->mapFlags & CPIO_MAP_ADDDOT)
00762             *t++ = '.';
00763         t = stpcpy( stpcpy(t, fsm->dirName), fsm->baseName);
00764     } else if (fsm->mapFlags & CPIO_MAP_PATH) {
00765         TFI_t fi = fsmGetFi(fsm);
00766         fsm->path =
00767             (fi->apath ? fi->apath[fsm->ix] + fi->striplen : fi->bnl[fsm->ix]);
00768     }
00769 
00770     rc = fsmStage(fsm, FSM_HWRITE);
00771     fsm->path = path;
00772     if (rc) goto exit;
00773 
00774     if (writeData && S_ISREG(st->st_mode)) {
00775 #if HAVE_MMAP
00776         char * rdbuf = NULL;
00777         void * mapped = (void *)-1;
00778         size_t nmapped;
00779 #endif
00780 
00781         rc = fsmStage(fsm, FSM_ROPEN);
00782         if (rc) goto exit;
00783 
00784         /* XXX unbuffered mmap generates *lots* of fdio debugging */
00785 #if HAVE_MMAP
00786         nmapped = 0;
00787         mapped = mmap(NULL, st->st_size, PROT_READ, MAP_SHARED, Fileno(fsm->rfd), 0);
00788         if (mapped != (void *)-1) {
00789             rdbuf = fsm->rdbuf;
00790             fsm->rdbuf = (char *) mapped;
00791             fsm->rdlen = nmapped = st->st_size;
00792         }
00793 #endif
00794 
00795         left = st->st_size;
00796 
00797         while (left) {
00798 #if HAVE_MMAP
00799           if (mapped != (void *)-1) {
00800             fsm->rdnb = nmapped;
00801           } else
00802 #endif
00803           {
00804             fsm->rdlen = (left > fsm->rdsize ? fsm->rdsize : left),
00805             rc = fsmStage(fsm, FSM_READ);
00806             if (rc) goto exit;
00807           }
00808 
00809             /* XXX DWRITE uses rdnb for I/O length. */
00810             rc = fsmStage(fsm, FSM_DWRITE);
00811             if (rc) goto exit;
00812 
00813             left -= fsm->wrnb;
00814         }
00815 
00816 #if HAVE_MMAP
00817         if (mapped != (void *)-1) {
00818             /*@-noeffect@*/ (void) munmap(mapped, nmapped) /*@=noeffect@*/;
00819             fsm->rdbuf = rdbuf;
00820         }
00821 #endif
00822 
00823     } else if (writeData && S_ISLNK(st->st_mode)) {
00824         /* XXX DWRITE uses rdnb for I/O length. */
00825         strcpy(fsm->rdbuf, symbuf);     /* XXX restore readlink buffer. */
00826         fsm->rdnb = strlen(symbuf);
00827         rc = fsmStage(fsm, FSM_DWRITE);
00828         if (rc) goto exit;
00829     }
00830 
00831     rc = fsmStage(fsm, FSM_PAD);
00832     if (rc) goto exit;
00833 
00834     {   const rpmTransactionSet ts = fsmGetTs(fsm);
00835         TFI_t fi = fsmGetFi(fsm);
00836         if (ts && fi && ts->notify) {
00837             size_t size = (fdGetCpioPos(fsm->cfd) - pos);
00838             /*@-modunconnomods@*/
00839             (void)ts->notify(fi->h, RPMCALLBACK_INST_PROGRESS, size, size,
00840                         (fi->ap ? fi->ap->key : NULL), ts->notifyData);
00841             /*@=modunconnomods@*/
00842         }
00843     }
00844 
00845     rc = 0;
00846 
00847 exit:
00848     if (fsm->rfd)
00849         (void) fsmStage(fsm, FSM_RCLOSE);
00850     /*@-dependenttrans@*/
00851     fsm->opath = opath;
00852     fsm->path = path;
00853     /*@=dependenttrans@*/
00854     return rc;
00855 }
00856 
00862 static int writeLinkedFile(/*@special@*/ FSM_t fsm)
00863         /*@uses fsm->path, fsm->nsuffix, fsm->ix, fsm->li, fsm->failedFile @*/
00864         /*@modifies fsm, fileSystem @*/
00865 {
00866     const char * path = fsm->path;
00867     const char * nsuffix = fsm->nsuffix;
00868     int iterIndex = fsm->ix;
00869     int ec = 0;
00870     int rc;
00871     int i;
00872 
00873     fsm->path = NULL;
00874     fsm->nsuffix = NULL;
00875     fsm->ix = -1;
00876 
00877     for (i = fsm->li->nlink - 1; i >= 0; i--) {
00878 
00879         if (fsm->li->filex[i] < 0) continue;
00880 
00881         fsm->ix = fsm->li->filex[i];
00882         rc = fsmStage(fsm, FSM_MAP);
00883 
00884         /* Write data after last link. */
00885         rc = writeFile(fsm, (i == 0));
00886         if (fsm->failedFile && rc != 0 && *fsm->failedFile == NULL) {
00887             ec = rc;
00888             *fsm->failedFile = xstrdup(fsm->path);
00889         }
00890 
00891         fsm->path = _free(fsm->path);
00892         fsm->li->filex[i] = -1;
00893     }
00894 
00895     fsm->ix = iterIndex;
00896     fsm->nsuffix = nsuffix;
00897     fsm->path = path;
00898     return ec;
00899 }
00900 
00906 static int fsmMakeLinks(/*@special@*/ FSM_t fsm)
00907         /*@uses fsm->path, fsm->opath, fsm->nsuffix, fsm->ix, fsm->li @*/
00908         /*@modifies fsm, fileSystem @*/
00909 {
00910     const char * path = fsm->path;
00911     const char * opath = fsm->opath;
00912     const char * nsuffix = fsm->nsuffix;
00913     int iterIndex = fsm->ix;
00914     int ec = 0;
00915     int rc;
00916     int i;
00917 
00918     fsm->path = NULL;
00919     fsm->opath = NULL;
00920     fsm->nsuffix = NULL;
00921     fsm->ix = -1;
00922 
00923     fsm->ix = fsm->li->filex[fsm->li->createdPath];
00924     rc = fsmStage(fsm, FSM_MAP);
00925     fsm->opath = fsm->path;
00926     fsm->path = NULL;
00927     for (i = 0; i < fsm->li->nlink; i++) {
00928         if (fsm->li->filex[i] < 0) continue;
00929         if (i == fsm->li->createdPath) continue;
00930 
00931         fsm->ix = fsm->li->filex[i];
00932         fsm->path = _free(fsm->path);
00933         rc = fsmStage(fsm, FSM_MAP);
00934         rc = fsmStage(fsm, FSM_VERIFY);
00935         if (!rc) continue;
00936         if (rc != CPIOERR_LSTAT_FAILED) break;
00937 
00938         /* XXX link(fsm->opath, fsm->path) */
00939         rc = fsmStage(fsm, FSM_LINK);
00940         if (fsm->failedFile && rc != 0 && *fsm->failedFile == NULL) {
00941             ec = rc;
00942             *fsm->failedFile = xstrdup(fsm->path);
00943         }
00944 
00945         fsm->li->linksLeft--;
00946     }
00947     fsm->path = _free(fsm->path);
00948     fsm->opath = _free(fsm->opath);
00949 
00950     fsm->ix = iterIndex;
00951     fsm->nsuffix = nsuffix;
00952     fsm->path = path;
00953     fsm->opath = opath;
00954     return ec;
00955 }
00956 
00962 static int fsmCommitLinks(/*@special@*/ FSM_t fsm)
00963         /*@uses fsm->path, fsm->nsuffix, fsm->ix, fsm->sb,
00964                 fsm->li, fsm->links @*/
00965         /*@modifies fsm, fileSystem @*/
00966 {
00967     const char * path = fsm->path;
00968     const char * nsuffix = fsm->nsuffix;
00969     int iterIndex = fsm->ix;
00970     struct stat * st = &fsm->sb;
00971     int rc = 0;
00972     int i;
00973 
00974     fsm->path = NULL;
00975     fsm->nsuffix = NULL;
00976     fsm->ix = -1;
00977 
00978     for (fsm->li = fsm->links; fsm->li; fsm->li = fsm->li->next) {
00979         if (fsm->li->sb.st_ino == st->st_ino && fsm->li->sb.st_dev == st->st_dev)
00980             break;
00981     }
00982 
00983     for (i = 0; i < fsm->li->nlink; i++) {
00984         if (fsm->li->filex[i] < 0) continue;
00985         fsm->ix = fsm->li->filex[i];
00986         rc = fsmStage(fsm, FSM_MAP);
00987         rc = fsmStage(fsm, FSM_COMMIT);
00988         fsm->path = _free(fsm->path);
00989         fsm->li->filex[i] = -1;
00990     }
00991 
00992     fsm->ix = iterIndex;
00993     fsm->nsuffix = nsuffix;
00994     fsm->path = path;
00995     return rc;
00996 }
00997 
01003 /*@-compdef@*/
01004 static int fsmRmdirs(/*@special@*/ FSM_t fsm)
01005         /*@uses fsm->path, fsm->dnlx, fsm->ldn, fsm->rdbuf, fsm->iter @*/
01006         /*@modifies fsm, fileSystem @*/
01007 {
01008     const char * path = fsm->path;
01009     void * dnli = dnlInitIterator(fsm, 1);
01010     char * dn = fsm->rdbuf;
01011     int dc = dnlCount(dnli);
01012     int rc = 0;
01013 
01014     fsm->path = NULL;
01015     dn[0] = '\0';
01016     /*@-observertrans -dependenttrans@*/
01017     if (fsm->ldn != NULL && fsm->dnlx != NULL)
01018     while ((fsm->path = dnlNextIterator(dnli)) != NULL) {
01019         int dnlen = strlen(fsm->path);
01020         char * te;
01021 
01022         dc = dnlIndex(dnli);
01023         if (fsm->dnlx[dc] < 1 || fsm->dnlx[dc] >= dnlen)
01024             continue;
01025 
01026         /* Copy to avoid const on fsm->path. */
01027         te = stpcpy(dn, fsm->path) - 1;
01028         fsm->path = dn;
01029 
01030         /* Remove generated directories. */
01031         do {
01032             if (*te == '/') {
01033                 *te = '\0';
01034                 rc = fsmStage(fsm, FSM_RMDIR);
01035                 *te = '/';
01036             }
01037             if (rc)
01038                 /*@innerbreak@*/ break;
01039             te--;
01040         } while ((te - dn) > fsm->dnlx[dc]);
01041     }
01042     dnli = dnlFreeIterator(dnli);
01043     /*@=observertrans =dependenttrans@*/
01044 
01045     fsm->path = path;
01046     return rc;
01047 }
01048 /*@=compdef@*/
01049 
01055 static int fsmMkdirs(/*@special@*/ FSM_t fsm)
01056         /*@uses fsm->path, fsm->sb, fsm->osb, fsm->rdbuf, fsm->iter,
01057                 fsm->ldn, fsm->ldnlen, fsm->ldnalloc @*/
01058         /*@defines fsm->dnlx, fsm->ldn @*/
01059         /*@modifies fsm, fileSystem @*/
01060 {
01061     struct stat * st = &fsm->sb;
01062     struct stat * ost = &fsm->osb;
01063     const char * path = fsm->path;
01064     mode_t st_mode = st->st_mode;
01065     void * dnli = dnlInitIterator(fsm, 0);
01066     char * dn = fsm->rdbuf;
01067     int dc = dnlCount(dnli);
01068     int rc = 0;
01069     int i;
01070 
01071     fsm->path = NULL;
01072 
01073     dn[0] = '\0';
01074     fsm->dnlx = (dc ? xcalloc(dc, sizeof(*fsm->dnlx)) : NULL);
01075     /*@-observertrans -dependenttrans@*/
01076     if (fsm->dnlx != NULL)
01077     while ((fsm->path = dnlNextIterator(dnli)) != NULL) {
01078         int dnlen = strlen(fsm->path);
01079         char * te;
01080 
01081         dc = dnlIndex(dnli);
01082         if (dc < 0) continue;
01083         fsm->dnlx[dc] = dnlen;
01084         if (dnlen <= 1)
01085             continue;
01086 
01087         /*@-compdef -nullpass@*/        /* FIX: fsm->ldn not defined ??? */
01088         if (dnlen <= fsm->ldnlen && !strcmp(fsm->path, fsm->ldn))
01089             continue;
01090         /*@=compdef =nullpass@*/
01091 
01092         /* Copy to avoid const on fsm->path. */
01093         (void) stpcpy(dn, fsm->path);
01094         fsm->path = dn;
01095 
01096         /* Assume '/' directory exists, "mkdir -p" for others if non-existent */
01097         for (i = 1, te = dn + 1; *te != '\0'; te++, i++) {
01098             if (*te != '/') continue;
01099 
01100             *te = '\0';
01101 
01102             /* Already validated? */
01103             /*@-usedef -compdef -nullpass -nullderef@*/
01104             if (i < fsm->ldnlen &&
01105                 (fsm->ldn[i] == '/' || fsm->ldn[i] == '\0') &&
01106                 !strncmp(fsm->path, fsm->ldn, i))
01107             {
01108                 *te = '/';
01109                 /* Move pre-existing path marker forward. */
01110                 fsm->dnlx[dc] = (te - dn);
01111                 continue;
01112             }
01113             /*@=usedef =compdef =nullpass =nullderef@*/
01114 
01115             /* Validate next component of path. */
01116             rc = fsmStage(fsm, FSM_LSTAT);
01117             *te = '/';
01118 
01119             /* Directory already exists? */
01120             if (rc == 0 && S_ISDIR(ost->st_mode)) {
01121                 /* Move pre-existing path marker forward. */
01122                 fsm->dnlx[dc] = (te - dn);
01123             } else if (rc == CPIOERR_LSTAT_FAILED) {
01124                 TFI_t fi = fsmGetFi(fsm);
01125                 *te = '\0';
01126                 st->st_mode = S_IFDIR | (fi->dperms & 07777);
01127                 rc = fsmStage(fsm, FSM_MKDIR);
01128                 if (!rc)
01129                     rpmMessage(RPMMESS_DEBUG,
01130                         _("%s directory created with perms %04o.\n"),
01131                         fsm->path, (unsigned)(st->st_mode & 07777));
01132                 *te = '/';
01133             }
01134             if (rc)
01135                 /*@innerbreak@*/ break;
01136         }
01137         if (rc) break;
01138 
01139         /* Save last validated path. */
01140         if (fsm->ldnalloc < (dnlen + 1)) {
01141             fsm->ldnalloc = dnlen + 100;
01142             fsm->ldn = xrealloc(fsm->ldn, fsm->ldnalloc);
01143         }
01144         if (fsm->ldn != NULL) { /* XXX can't happen */
01145             strcpy(fsm->ldn, fsm->path);
01146             fsm->ldnlen = dnlen;
01147         }
01148     }
01149     dnli = dnlFreeIterator(dnli);
01150     /*@=observertrans =dependenttrans@*/
01151 
01152     fsm->path = path;
01153     st->st_mode = st_mode;              /* XXX restore st->st_mode */
01154     return rc;
01155 }
01156 
01157 #ifdef  NOTYET
01158 
01163 static int fsmStat(FSM_t fsm)
01164 {
01165     int saveerrno = errno;
01166     int rc = 0;
01167 
01168     if (fsm->path != NULL) {
01169         int saveernno = errno;
01170         rc = fsmStage(fsm, (!(fsm->mapFlags & CPIO_FOLLOW_SYMLINKS)
01171                         ? FSM_LSTAT : FSM_STAT));
01172         if (rc == CPIOERR_LSTAT_FAILED && errno == ENOENT) {
01173             errno = saveerrno;
01174             rc = 0;
01175             fsm->exists = 0;
01176         } else if (rc == 0) {
01177             fsm->exists = 1;
01178         }
01179     } else {
01180         /* Skip %ghost files on build. */
01181         fsm->exists = 0;
01182     }
01183     return rc;
01184 }
01185 #endif
01186 
01187 /*@-compmempass@*/
01188 int fsmStage(FSM_t fsm, fileStage stage)
01189 {
01190 #ifdef  UNUSED
01191     fileStage prevStage = fsm->stage;
01192     const char * const prev = fileStageString(prevStage);
01193 #endif
01194     static int modulo = 4;
01195     const char * const cur = fileStageString(stage);
01196     struct stat * st = &fsm->sb;
01197     struct stat * ost = &fsm->osb;
01198     int saveerrno = errno;
01199     int rc = fsm->rc;
01200     size_t left;
01201     int i;
01202 
01203 #define _fafilter(_a)   \
01204     (!((_a) == FA_CREATE || (_a) == FA_ERASE || (_a) == FA_COPYIN || (_a) == FA_COPYOUT) \
01205         ? fileActionString(_a) : "")
01206 
01207     if (stage & FSM_DEAD) {
01208         /* do nothing */
01209     } else if (stage & FSM_INTERNAL) {
01210         if (_fsm_debug && !(stage & FSM_SYSCALL))
01211             rpmMessage(RPMMESS_DEBUG, " %8s %06o%3d (%4d,%4d)%10d %s %s\n",
01212                 cur,
01213                 (unsigned)st->st_mode, (int)st->st_nlink,
01214                 (int)st->st_uid, (int)st->st_gid, (int)st->st_size,
01215                 (fsm->path ? fsm->path : ""),
01216                 _fafilter(fsm->action));
01217     } else {
01218         fsm->stage = stage;
01219         if (_fsm_debug || !(stage & FSM_VERBOSE))
01220             rpmMessage(RPMMESS_DEBUG, "%-8s  %06o%3d (%4d,%4d)%10d %s %s\n",
01221                 cur,
01222                 (unsigned)st->st_mode, (int)st->st_nlink,
01223                 (int)st->st_uid, (int)st->st_gid, (int)st->st_size,
01224                 (fsm->path ? fsm->path + fsm->astriplen : ""),
01225                 _fafilter(fsm->action));
01226     }
01227 #undef  _fafilter
01228 
01229     switch (stage) {
01230     case FSM_UNKNOWN:
01231         break;
01232     case FSM_PKGINSTALL:
01233         while (1) {
01234             /* Clean fsm, free'ing memory. Read next archive header. */
01235             rc = fsmStage(fsm, FSM_INIT);
01236 
01237             /* Exit on end-of-payload. */
01238             if (rc == CPIOERR_HDR_TRAILER) {
01239                 rc = 0;
01240                 /*@loopbreak@*/ break;
01241             }
01242 
01243             /* Exit on error. */
01244             if (rc) {
01245                 fsm->postpone = 1;
01246                 (void) fsmStage(fsm, FSM_UNDO);
01247                 /*@loopbreak@*/ break;
01248             }
01249 
01250             /* Extract file from archive. */
01251             rc = fsmStage(fsm, FSM_PROCESS);
01252             if (rc) {
01253                 (void) fsmStage(fsm, FSM_UNDO);
01254                 /*@loopbreak@*/ break;
01255             }
01256 
01257             /* Notify on success. */
01258             (void) fsmStage(fsm, FSM_NOTIFY);
01259 
01260             rc = fsmStage(fsm, FSM_FINI);
01261             if (rc) {
01262                 /*@loopbreak@*/ break;
01263             }
01264         }
01265         break;
01266     case FSM_PKGERASE:
01267     case FSM_PKGCOMMIT:
01268         while (1) {
01269             /* Clean fsm, free'ing memory. */
01270             rc = fsmStage(fsm, FSM_INIT);
01271 
01272             /* Exit on end-of-payload. */
01273             if (rc == CPIOERR_HDR_TRAILER) {
01274                 rc = 0;
01275                 /*@loopbreak@*/ break;
01276             }
01277 
01278             /* Rename/erase next item. */
01279             if (fsmStage(fsm, FSM_FINI))
01280                 /*@loopbreak@*/ break;
01281         }
01282         break;
01283     case FSM_PKGBUILD:
01284         while (1) {
01285 
01286             rc = fsmStage(fsm, FSM_INIT);
01287 
01288             /* Exit on end-of-payload. */
01289             if (rc == CPIOERR_HDR_TRAILER) {
01290                 rc = 0;
01291                 /*@loopbreak@*/ break;
01292             }
01293 
01294             /* Exit on error. */
01295             if (rc) {
01296                 fsm->postpone = 1;
01297                 (void) fsmStage(fsm, FSM_UNDO);
01298                 /*@loopbreak@*/ break;
01299             }
01300 
01301             /* Copy file into archive. */
01302             rc = fsmStage(fsm, FSM_PROCESS);
01303             if (rc) {
01304                 (void) fsmStage(fsm, FSM_UNDO);
01305                 /*@loopbreak@*/ break;
01306             }
01307 
01308             if (fsmStage(fsm, FSM_FINI))
01309                 /*@loopbreak@*/ break;
01310         }
01311 
01312         /* Flush partial sets of hard linked files. */
01313         if (!(fsm->mapFlags & CPIO_ALL_HARDLINKS)) {
01314             int nlink, j;
01315             while ((fsm->li = fsm->links) != NULL) {
01316                 fsm->links = fsm->li->next;
01317                 fsm->li->next = NULL;
01318 
01319                 /* Re-calculate link count for archive header. */
01320                 for (j = -1, nlink = 0, i = 0; i < fsm->li->nlink; i++) {
01321                     if (fsm->li->filex[i] < 0) continue;
01322                     nlink++;
01323                     if (j == -1) j = i;
01324                 }
01325                 /* XXX force the contents out as well. */
01326                 if (j != 0) {
01327                     fsm->li->filex[0] = fsm->li->filex[j];
01328                     fsm->li->filex[j] = -1;
01329                 }
01330                 fsm->li->sb.st_nlink = nlink;
01331 
01332                 fsm->sb = fsm->li->sb;  /* structure assignment */
01333                 fsm->osb = fsm->sb;     /* structure assignment */
01334 
01335                 if (!rc) rc = writeLinkedFile(fsm);
01336 
01337                 fsm->li = freeHardLink(fsm->li);
01338             }
01339         }
01340 
01341         if (!rc)
01342             rc = fsmStage(fsm, FSM_TRAILER);
01343 
01344         break;
01345     case FSM_CREATE:
01346         {   rpmTransactionSet ts = fsmGetTs(fsm);
01347 #define _tsmask (RPMTRANS_FLAG_PKGCOMMIT | RPMTRANS_FLAG_COMMIT)
01348             fsm->commit = ((ts && (ts->transFlags & _tsmask) &&
01349                         fsm->goal != FSM_PKGCOMMIT) ? 0 : 1);
01350 #undef _tsmask
01351         }
01352         fsm->path = _free(fsm->path);
01353         fsm->opath = _free(fsm->opath);
01354         fsm->dnlx = _free(fsm->dnlx);
01355 
01356         fsm->ldn = _free(fsm->ldn);
01357         fsm->ldnalloc = fsm->ldnlen = 0;
01358 
01359         fsm->rdsize = fsm->wrsize = 0;
01360         fsm->rdbuf = fsm->rdb = _free(fsm->rdb);
01361         fsm->wrbuf = fsm->wrb = _free(fsm->wrb);
01362         if (fsm->goal == FSM_PKGINSTALL || fsm->goal == FSM_PKGBUILD) {
01363             fsm->rdsize = 8 * BUFSIZ;
01364             fsm->rdbuf = fsm->rdb = xmalloc(fsm->rdsize);
01365             fsm->wrsize = 8 * BUFSIZ;
01366             fsm->wrbuf = fsm->wrb = xmalloc(fsm->wrsize);
01367         }
01368 
01369         fsm->mkdirsdone = 0;
01370         fsm->ix = -1;
01371         fsm->links = NULL;
01372         fsm->li = NULL;
01373         errno = 0;      /* XXX get rid of EBADF */
01374 
01375         /* Detect and create directories not explicitly in package. */
01376         if (fsm->goal == FSM_PKGINSTALL) {
01377             rc = fsmStage(fsm, FSM_MKDIRS);
01378             if (!rc) fsm->mkdirsdone = 1;
01379         }
01380 
01381         break;
01382     case FSM_INIT:
01383         fsm->path = _free(fsm->path);
01384         fsm->postpone = 0;
01385         fsm->diskchecked = fsm->exists = 0;
01386         fsm->subdir = NULL;
01387         fsm->suffix = (fsm->sufbuf[0] != '\0' ? fsm->sufbuf : NULL);
01388         fsm->action = FA_UNKNOWN;
01389         fsm->osuffix = NULL;
01390         fsm->nsuffix = NULL;
01391 
01392         if (fsm->goal == FSM_PKGINSTALL) {
01393             /* Read next header from payload, checking for end-of-payload. */
01394             rc = fsmStage(fsm, FSM_NEXT);
01395         }
01396         if (rc) break;
01397 
01398         /* Identify mapping index. */
01399         fsm->ix = ((fsm->goal == FSM_PKGINSTALL)
01400                 ? mapFind(fsm->iter, fsm->path) : mapNextIterator(fsm->iter));
01401 
01402         /* Detect end-of-loop and/or mapping error. */
01403         if (fsm->ix < 0) {
01404             if (fsm->goal == FSM_PKGINSTALL) {
01405 #if 0
01406                 rpmMessage(RPMMESS_WARNING,
01407                     _("archive file %s was not found in header file list\n"),
01408                         fsm->path);
01409 #endif
01410                 if (fsm->failedFile && *fsm->failedFile == NULL)
01411                     *fsm->failedFile = xstrdup(fsm->path);
01412                 rc = CPIOERR_UNMAPPED_FILE;
01413             } else {
01414                 rc = CPIOERR_HDR_TRAILER;
01415             }
01416             break;
01417         }
01418 
01419         /* On non-install, mode must be known so that dirs don't get suffix. */
01420         if (fsm->goal != FSM_PKGINSTALL) {
01421             TFI_t fi = fsmGetFi(fsm);
01422             st->st_mode = fi->fmodes[fsm->ix];
01423         }
01424 
01425         /* Generate file path. */
01426         rc = fsmStage(fsm, FSM_MAP);
01427         if (rc) break;
01428 
01429         /* Perform lstat/stat for disk file. */
01430 #ifdef  NOTYET
01431         rc = fsmStat(fsm);
01432 #else
01433         if (fsm->path != NULL) {
01434             rc = fsmStage(fsm, (!(fsm->mapFlags & CPIO_FOLLOW_SYMLINKS)
01435                         ? FSM_LSTAT : FSM_STAT));
01436             if (rc == CPIOERR_LSTAT_FAILED && errno == ENOENT) {
01437                 errno = saveerrno;
01438                 rc = 0;
01439                 fsm->exists = 0;
01440             } else if (rc == 0) {
01441                 fsm->exists = 1;
01442             }
01443         } else {
01444             /* Skip %ghost files on build. */
01445             fsm->exists = 0;
01446         }
01447 #endif
01448         fsm->diskchecked = 1;
01449         if (rc) break;
01450 
01451         /* On non-install, the disk file stat is what's remapped. */
01452         if (fsm->goal != FSM_PKGINSTALL)
01453             *st = *ost;                 /* structure assignment */
01454 
01455         /* Remap file perms, owner, and group. */
01456         rc = fsmMapAttrs(fsm);
01457         if (rc) break;
01458 
01459         fsm->postpone = XFA_SKIPPING(fsm->action);
01460         if (fsm->goal == FSM_PKGINSTALL || fsm->goal == FSM_PKGBUILD) {
01461             /*@-evalorder@*/
01462             if (!S_ISDIR(st->st_mode) && st->st_nlink > 1)
01463                 fsm->postpone = saveHardLink(fsm);
01464             /*@=evalorder@*/
01465         }
01466         break;
01467     case FSM_PRE:
01468         break;
01469     case FSM_MAP:
01470         rc = fsmMapPath(fsm);
01471         break;
01472     case FSM_MKDIRS:
01473         rc = fsmMkdirs(fsm);
01474         break;
01475     case FSM_RMDIRS:
01476         if (fsm->dnlx)
01477             rc = fsmRmdirs(fsm);
01478         break;
01479     case FSM_PROCESS:
01480         if (fsm->postpone) {
01481             if (fsm->goal == FSM_PKGINSTALL)
01482                 rc = fsmStage(fsm, FSM_EAT);
01483             break;
01484         }
01485 
01486         if (fsm->goal == FSM_PKGBUILD) {
01487             if (!S_ISDIR(st->st_mode) && st->st_nlink > 1) {
01488                 struct hardLink * li, * prev;
01489 
01490 if (!(fsm->mapFlags & CPIO_ALL_HARDLINKS)) break;
01491                 rc = writeLinkedFile(fsm);
01492                 if (rc) break;  /* W2DO? */
01493 
01494                 for (li = fsm->links, prev = NULL; li; prev = li, li = li->next)
01495                      if (li == fsm->li)
01496                         /*@loopbreak@*/ break;
01497 
01498                 if (prev == NULL)
01499                     fsm->links = fsm->li->next;
01500                 else
01501                     prev->next = fsm->li->next;
01502                 fsm->li->next = NULL;
01503                 fsm->li = freeHardLink(fsm->li);
01504             } else {
01505                 rc = writeFile(fsm, 1);
01506             }
01507             break;
01508         }
01509 
01510         if (fsm->goal != FSM_PKGINSTALL)
01511             break;
01512 
01513         if (S_ISREG(st->st_mode)) {
01514             const char * path = fsm->path;
01515             if (fsm->osuffix)
01516                 fsm->path = fsmFsPath(fsm, st, NULL, NULL);
01517             rc = fsmStage(fsm, FSM_VERIFY);
01518 
01519             if (rc == 0 && fsm->osuffix) {
01520                 const char * opath = fsm->opath;
01521                 fsm->opath = fsm->path;
01522                 fsm->path = fsmFsPath(fsm, st, NULL, fsm->osuffix);
01523                 rc = fsmStage(fsm, FSM_RENAME);
01524                 if (!rc)
01525                     rpmMessage(RPMMESS_WARNING,
01526                         _("%s saved as %s\n"), fsm->opath, fsm->path);
01527                 fsm->path = _free(fsm->path);
01528                 fsm->opath = opath;
01529             }
01530 
01531             /*@-dependenttrans@*/
01532             fsm->path = path;
01533             /*@=dependenttrans@*/
01534             if (rc != CPIOERR_LSTAT_FAILED) return rc;
01535             rc = expandRegular(fsm);
01536         } else if (S_ISDIR(st->st_mode)) {
01537             mode_t st_mode = st->st_mode;
01538             rc = fsmStage(fsm, FSM_VERIFY);
01539             if (rc == CPIOERR_LSTAT_FAILED) {
01540                 st->st_mode &= ~07777;          /* XXX abuse st->st_mode */
01541                 st->st_mode |=  00700;
01542                 rc = fsmStage(fsm, FSM_MKDIR);
01543                 st->st_mode = st_mode;          /* XXX restore st->st_mode */
01544             }
01545         } else if (S_ISLNK(st->st_mode)) {
01546             const char * opath = fsm->opath;
01547 
01548             if ((st->st_size + 1) > fsm->rdsize) {
01549                 rc = CPIOERR_HDR_SIZE;
01550                 break;
01551             }
01552 
01553             fsm->wrlen = st->st_size;
01554             rc = fsmStage(fsm, FSM_DREAD);
01555             if (!rc && fsm->rdnb != fsm->wrlen)
01556                 rc = CPIOERR_READ_FAILED;
01557             if (rc) break;
01558 
01559             fsm->wrbuf[st->st_size] = '\0';
01560             /* XXX symlink(fsm->opath, fsm->path) */
01561             /*@-dependenttrans@*/
01562             fsm->opath = fsm->wrbuf;
01563             /*@=dependenttrans@*/
01564             rc = fsmStage(fsm, FSM_VERIFY);
01565             if (rc == CPIOERR_LSTAT_FAILED)
01566                 rc = fsmStage(fsm, FSM_SYMLINK);
01567             fsm->opath = opath;         /* XXX restore fsm->path */
01568         } else if (S_ISFIFO(st->st_mode)) {
01569             mode_t st_mode = st->st_mode;
01570             /* This mimics cpio S_ISSOCK() behavior but probably isnt' right */
01571             rc = fsmStage(fsm, FSM_VERIFY);
01572             if (rc == CPIOERR_LSTAT_FAILED) {
01573                 st->st_mode = 0000;             /* XXX abuse st->st_mode */
01574                 rc = fsmStage(fsm, FSM_MKFIFO);
01575                 st->st_mode = st_mode;  /* XXX restore st->st_mode */
01576             }
01577         } else if (S_ISCHR(st->st_mode) ||
01578                    S_ISBLK(st->st_mode) ||
01579                    S_ISSOCK(st->st_mode))
01580         {
01581             rc = fsmStage(fsm, FSM_VERIFY);
01582             if (rc == CPIOERR_LSTAT_FAILED)
01583                 rc = fsmStage(fsm, FSM_MKNOD);
01584         } else {
01585             rc = CPIOERR_UNKNOWN_FILETYPE;
01586         }
01587         if (!S_ISDIR(st->st_mode) && st->st_nlink > 1) {
01588             fsm->li->createdPath = fsm->li->linkIndex;
01589             rc = fsmMakeLinks(fsm);
01590         }
01591         break;
01592     case FSM_POST:
01593         break;
01594     case FSM_MKLINKS:
01595         rc = fsmMakeLinks(fsm);
01596         break;
01597     case FSM_NOTIFY:            /* XXX move from fsm to psm -> tsm */
01598         if (fsm->goal == FSM_PKGINSTALL || fsm->goal == FSM_PKGBUILD) {
01599             rpmTransactionSet ts = fsmGetTs(fsm);
01600             TFI_t fi = fsmGetFi(fsm);
01601             if (ts && ts->notify && fi)
01602                 (void)ts->notify(fi->h, RPMCALLBACK_INST_PROGRESS,
01603                         fdGetCpioPos(fsm->cfd), fi->archiveSize,
01604                         (fi->ap ? fi->ap->key : NULL), ts->notifyData);
01605         }
01606         break;
01607     case FSM_UNDO:
01608         if (fsm->postpone)
01609             break;
01610         if (fsm->goal == FSM_PKGINSTALL) {
01611             (void) fsmStage(fsm,
01612                 (S_ISDIR(st->st_mode) ? FSM_RMDIR : FSM_UNLINK));
01613 
01614 #ifdef  NOTYET  /* XXX remove only dirs just created, not all. */
01615             if (fsm->dnlx)
01616                 (void) fsmStage(fsm, FSM_RMDIRS);
01617 #endif
01618             errno = saveerrno;
01619         }
01620         if (fsm->failedFile && *fsm->failedFile == NULL)
01621             *fsm->failedFile = xstrdup(fsm->path);
01622         break;
01623     case FSM_FINI:
01624         if (!fsm->postpone && fsm->commit) {
01625             if (fsm->goal == FSM_PKGINSTALL)
01626                 rc = ((!S_ISDIR(st->st_mode) && st->st_nlink > 1)
01627                         ? fsmCommitLinks(fsm) : fsmStage(fsm, FSM_COMMIT));
01628             if (fsm->goal == FSM_PKGCOMMIT)
01629                 rc = fsmStage(fsm, FSM_COMMIT);
01630             if (fsm->goal == FSM_PKGERASE)
01631                 rc = fsmStage(fsm, FSM_COMMIT);
01632         }
01633         fsm->path = _free(fsm->path);
01634         fsm->opath = _free(fsm->opath);
01635         memset(st, 0, sizeof(*st));
01636         memset(ost, 0, sizeof(*ost));
01637         break;
01638     case FSM_COMMIT:
01639         /* Rename pre-existing modified or unmanaged file. */
01640         if (fsm->diskchecked && fsm->exists && fsm->osuffix) {
01641             const char * opath = fsm->opath;
01642             const char * path = fsm->path;
01643             /*@-nullstate@*/    /* FIX: fsm->opath null annotation? */
01644             fsm->opath = fsmFsPath(fsm, st, NULL, NULL);
01645             /*@=nullstate@*/
01646             /*@-nullstate@*/    /* FIX: fsm->path null annotation? */
01647             fsm->path = fsmFsPath(fsm, st, NULL, fsm->osuffix);
01648             /*@=nullstate@*/
01649             rc = fsmStage(fsm, FSM_RENAME);
01650             if (!rc) {
01651                 rpmMessage(RPMMESS_WARNING, _("%s saved as %s\n"),
01652                                 fsm->opath, fsm->path);
01653             }
01654             fsm->path = _free(fsm->path);
01655             fsm->path = path;
01656             fsm->opath = _free(fsm->opath);
01657             fsm->opath = opath;
01658         }
01659 
01660         /* Remove erased files. */
01661         if (fsm->goal == FSM_PKGERASE) {
01662             if (fsm->action == FA_ERASE) {
01663                 TFI_t fi = fsmGetFi(fsm);
01664                 if (S_ISDIR(st->st_mode)) {
01665                     rc = fsmStage(fsm, FSM_RMDIR);
01666                     if (!rc) break;
01667                     switch (errno) {
01668                     case ENOENT: /* XXX rmdir("/") linux 2.2.x kernel hack */
01669                     case ENOTEMPTY:
01670         /* XXX make sure that build side permits %missingok on directories. */
01671                         if (fsm->fflags & RPMFILE_MISSINGOK)
01672                             break;
01673 
01674                         /* XXX common error message. */
01675                         rpmError(
01676                             (strict_erasures ? RPMERR_RMDIR : RPMDEBUG_RMDIR),
01677                             _("%s rmdir of %s failed: Directory not empty\n"), 
01678                                 fiTypeString(fi), fsm->path);
01679                         break;
01680                     default:
01681                         rpmError(
01682                             (strict_erasures ? RPMERR_RMDIR : RPMDEBUG_RMDIR),
01683                                 _("%s rmdir of %s failed: %s\n"),
01684                                 fiTypeString(fi), fsm->path, strerror(errno));
01685                         break;
01686                     }
01687                 } else {
01688                     rc = fsmStage(fsm, FSM_UNLINK);
01689                     if (!rc) break;
01690                     if (!(errno == ENOENT && (fsm->fflags & RPMFILE_MISSINGOK)))
01691                         rpmError(
01692                             (strict_erasures ? RPMERR_UNLINK : RPMDEBUG_UNLINK),
01693                                 _("%s unlink of %s failed: %s\n"),
01694                                 fiTypeString(fi), fsm->path, strerror(errno));
01695                 }
01696             }
01697             /* XXX Failure to remove is not (yet) cause for failure. */
01698             if (!strict_erasures) rc = 0;
01699             break;
01700         }
01701 
01702         if (!S_ISSOCK(st->st_mode)) {   /* XXX /dev/log et al are skipped */
01703             /* Rename temporary to final file name. */
01704             if (!S_ISDIR(st->st_mode) &&
01705                 (fsm->subdir || fsm->suffix || fsm->nsuffix))
01706             {
01707                 fsm->opath = fsm->path;
01708                 fsm->path = fsmFsPath(fsm, st, NULL, fsm->nsuffix);
01709                 rc = fsmStage(fsm, FSM_RENAME);
01710                 if (!rc && fsm->nsuffix) {
01711                     const char * opath = fsmFsPath(fsm, st, NULL, NULL);
01712                     rpmMessage(RPMMESS_WARNING, _("%s created as %s\n"),
01713                                 (opath ? opath : ""), fsm->path);
01714                     opath = _free(opath);
01715                 }
01716                 fsm->opath = _free(fsm->opath);
01717             }
01718             if (S_ISLNK(st->st_mode)) {
01719                 if (!rc && !getuid())
01720                     rc = fsmStage(fsm, FSM_LCHOWN);
01721             } else {
01722                 if (!rc && !getuid())
01723                     rc = fsmStage(fsm, FSM_CHOWN);
01724                 if (!rc)
01725                     rc = fsmStage(fsm, FSM_CHMOD);
01726                 if (!rc) {
01727                     time_t mtime = st->st_mtime;
01728                     TFI_t fi = fsmGetFi(fsm);
01729                     if (fi->fmtimes)
01730                         st->st_mtime = fi->fmtimes[fsm->ix];
01731                     rc = fsmStage(fsm, FSM_UTIME);
01732                     st->st_mtime = mtime;
01733                 }
01734             }
01735         }
01736 
01737         /* Notify on success. */
01738         if (!rc)                rc = fsmStage(fsm, FSM_NOTIFY);
01739         else if (fsm->failedFile && *fsm->failedFile == NULL) {
01740             *fsm->failedFile = fsm->path;
01741             fsm->path = NULL;
01742         }
01743         break;
01744     case FSM_DESTROY:
01745         fsm->path = _free(fsm->path);
01746 
01747         /* Check for hard links missing from payload. */
01748         while ((fsm->li = fsm->links) != NULL) {
01749             fsm->links = fsm->li->next;
01750             fsm->li->next = NULL;
01751             if (fsm->goal == FSM_PKGINSTALL &&
01752                         fsm->commit && fsm->li->linksLeft)
01753             {
01754                 for (i = 0 ; i < fsm->li->linksLeft; i++) {
01755                     if (fsm->li->filex[i] < 0) continue;
01756                     rc = CPIOERR_MISSING_HARDLINK;
01757                     if (fsm->failedFile && *fsm->failedFile == NULL) {
01758                         fsm->ix = fsm->li->filex[i];
01759                         if (!fsmStage(fsm, FSM_MAP)) {
01760                             *fsm->failedFile = fsm->path;
01761                             fsm->path = NULL;
01762                         }
01763                     }
01764                     /*@loopbreak@*/ break;
01765                 }
01766             }
01767             if (fsm->goal == FSM_PKGBUILD &&
01768                 (fsm->mapFlags & CPIO_ALL_HARDLINKS))
01769             {
01770                 rc = CPIOERR_MISSING_HARDLINK;
01771             }
01772             fsm->li = freeHardLink(fsm->li);
01773         }
01774         fsm->ldn = _free(fsm->ldn);
01775         fsm->ldnalloc = fsm->ldnlen = 0;
01776         fsm->rdbuf = fsm->rdb = _free(fsm->rdb);
01777         fsm->wrbuf = fsm->wrb = _free(fsm->wrb);
01778         break;
01779     case FSM_VERIFY:
01780         if (fsm->diskchecked && !fsm->exists) {
01781             rc = CPIOERR_LSTAT_FAILED;
01782             break;
01783         }
01784         if (S_ISREG(st->st_mode)) {
01785             char * path = alloca(strlen(fsm->path) + sizeof("-RPMDELETE"));
01786             (void) stpcpy( stpcpy(path, fsm->path), "-RPMDELETE");
01787             /*
01788              * XXX HP-UX (and other os'es) don't permit unlink on busy
01789              * XXX files.
01790              */
01791             fsm->opath = fsm->path;
01792             fsm->path = path;
01793             rc = fsmStage(fsm, FSM_RENAME);
01794             if (!rc)
01795                     (void) fsmStage(fsm, FSM_UNLINK);
01796             else
01797                     rc = CPIOERR_UNLINK_FAILED;
01798             fsm->path = fsm->opath;
01799             fsm->opath = NULL;
01800             return (rc ? rc : CPIOERR_LSTAT_FAILED);    /* XXX HACK */
01801             /*@notreached@*/ break;
01802         } else if (S_ISDIR(st->st_mode)) {
01803             if (S_ISDIR(ost->st_mode))          return 0;
01804             if (S_ISLNK(ost->st_mode)) {
01805                 rc = fsmStage(fsm, FSM_STAT);
01806                 if (rc == CPIOERR_STAT_FAILED && errno == ENOENT) rc = 0;
01807                 if (rc) break;
01808                 errno = saveerrno;
01809                 if (S_ISDIR(ost->st_mode))      return 0;
01810             }
01811         } else if (S_ISLNK(st->st_mode)) {
01812             if (S_ISLNK(ost->st_mode)) {
01813         /* XXX NUL terminated result in fsm->rdbuf, len in fsm->rdnb. */
01814                 rc = fsmStage(fsm, FSM_READLINK);
01815                 errno = saveerrno;
01816                 if (rc) break;
01817                 if (!strcmp(fsm->opath, fsm->rdbuf))    return 0;
01818             }
01819         } else if (S_ISFIFO(st->st_mode)) {
01820             if (S_ISFIFO(ost->st_mode))         return 0;
01821         } else if (S_ISCHR(st->st_mode) || S_ISBLK(st->st_mode)) {
01822             if ((S_ISCHR(ost->st_mode) || S_ISBLK(ost->st_mode)) &&
01823                 (ost->st_rdev == st->st_rdev))  return 0;
01824         } else if (S_ISSOCK(st->st_mode)) {
01825             if (S_ISSOCK(ost->st_mode))         return 0;
01826         }
01827             /* XXX shouldn't do this with commit/undo. */
01828         rc = 0;
01829         if (fsm->stage == FSM_PROCESS) rc = fsmStage(fsm, FSM_UNLINK);
01830         if (rc == 0)    rc = CPIOERR_LSTAT_FAILED;
01831         return (rc ? rc : CPIOERR_LSTAT_FAILED);        /* XXX HACK */
01832         /*@notreached@*/ break;
01833 
01834     case FSM_UNLINK:
01835         rc = Unlink(fsm->path);
01836         if (_fsm_debug && (stage & FSM_SYSCALL))
01837             rpmMessage(RPMMESS_DEBUG, " %8s (%s) %s\n", cur,
01838                 fsm->path, (rc < 0 ? strerror(errno) : ""));
01839         if (rc < 0)     rc = CPIOERR_UNLINK_FAILED;
01840         break;
01841     case FSM_RENAME:
01842         rc = Rename(fsm->opath, fsm->path);
01843         if (_fsm_debug && (stage & FSM_SYSCALL))
01844             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %s) %s\n", cur,
01845                 fsm->opath, fsm->path, (rc < 0 ? strerror(errno) : ""));
01846         if (rc < 0)     rc = CPIOERR_RENAME_FAILED;
01847         break;
01848     case FSM_MKDIR:
01849         rc = Mkdir(fsm->path, (st->st_mode & 07777));
01850         if (_fsm_debug && (stage & FSM_SYSCALL))
01851             rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0%04o) %s\n", cur,
01852                 fsm->path, (unsigned)(st->st_mode & 07777),
01853                 (rc < 0 ? strerror(errno) : ""));
01854         if (rc < 0)     rc = CPIOERR_MKDIR_FAILED;
01855         break;
01856     case FSM_RMDIR:
01857         rc = Rmdir(fsm->path);
01858         if (_fsm_debug && (stage & FSM_SYSCALL))
01859             rpmMessage(RPMMESS_DEBUG, " %8s (%s) %s\n", cur,
01860                 fsm->path, (rc < 0 ? strerror(errno) : ""));
01861         if (rc < 0)     rc = CPIOERR_RMDIR_FAILED;
01862         break;
01863     case FSM_CHOWN:
01864         rc = chown(fsm->path, st->st_uid, st->st_gid);
01865         if (_fsm_debug && (stage & FSM_SYSCALL))
01866             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %d, %d) %s\n", cur,
01867                 fsm->path, (int)st->st_uid, (int)st->st_gid,
01868                 (rc < 0 ? strerror(errno) : ""));
01869         if (rc < 0)     rc = CPIOERR_CHOWN_FAILED;
01870         break;
01871     case FSM_LCHOWN:
01872 #if ! CHOWN_FOLLOWS_SYMLINK
01873         rc = lchown(fsm->path, st->st_uid, st->st_gid);
01874         if (_fsm_debug && (stage & FSM_SYSCALL))
01875             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %d, %d) %s\n", cur,
01876                 fsm->path, (int)st->st_uid, (int)st->st_gid,
01877                 (rc < 0 ? strerror(errno) : ""));
01878         if (rc < 0)     rc = CPIOERR_CHOWN_FAILED;
01879 #endif
01880         break;
01881     case FSM_CHMOD:
01882         rc = chmod(fsm->path, (st->st_mode & 07777));
01883         if (_fsm_debug && (stage & FSM_SYSCALL))
01884             rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0%04o) %s\n", cur,
01885                 fsm->path, (unsigned)(st->st_mode & 07777),
01886                 (rc < 0 ? strerror(errno) : ""));
01887         if (rc < 0)     rc = CPIOERR_CHMOD_FAILED;
01888         break;
01889     case FSM_UTIME:
01890         {   struct utimbuf stamp;
01891             stamp.actime = st->st_mtime;
01892             stamp.modtime = st->st_mtime;
01893             rc = utime(fsm->path, &stamp);
01894             if (_fsm_debug && (stage & FSM_SYSCALL))
01895                 rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0x%x) %s\n", cur,
01896                         fsm->path, (unsigned)st->st_mtime,
01897                         (rc < 0 ? strerror(errno) : ""));
01898             if (rc < 0) rc = CPIOERR_UTIME_FAILED;
01899         }
01900         break;
01901     case FSM_SYMLINK:
01902         rc = symlink(fsm->opath, fsm->path);
01903         if (_fsm_debug && (stage & FSM_SYSCALL))
01904             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %s) %s\n", cur,
01905                 fsm->opath, fsm->path, (rc < 0 ? strerror(errno) : ""));
01906         if (rc < 0)     rc = CPIOERR_SYMLINK_FAILED;
01907         break;
01908     case FSM_LINK:
01909         rc = Link(fsm->opath, fsm->path);
01910         if (_fsm_debug && (stage & FSM_SYSCALL))
01911             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %s) %s\n", cur,
01912                 fsm->opath, fsm->path, (rc < 0 ? strerror(errno) : ""));
01913         if (rc < 0)     rc = CPIOERR_LINK_FAILED;
01914         break;
01915     case FSM_MKFIFO:
01916         rc = mkfifo(fsm->path, (st->st_mode & 07777));
01917         if (_fsm_debug && (stage & FSM_SYSCALL))
01918             rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0%04o) %s\n", cur,
01919                 fsm->path, (unsigned)(st->st_mode & 07777),
01920                 (rc < 0 ? strerror(errno) : ""));
01921         if (rc < 0)     rc = CPIOERR_MKFIFO_FAILED;
01922         break;
01923     case FSM_MKNOD:
01924         /*@-unrecog@*/
01925         rc = mknod(fsm->path, (st->st_mode & ~07777), st->st_rdev);
01926         /*@=unrecog@*/
01927         if (_fsm_debug && (stage & FSM_SYSCALL))
01928             rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0%o, 0x%x) %s\n", cur,
01929                 fsm->path, (unsigned)(st->st_mode & ~07777),
01930                 (unsigned)st->st_rdev,
01931                 (rc < 0 ? strerror(errno) : ""));
01932         if (rc < 0)     rc = CPIOERR_MKNOD_FAILED;
01933         break;
01934     case FSM_LSTAT:
01935         rc = Lstat(fsm->path, ost);
01936         if (_fsm_debug && (stage & FSM_SYSCALL) && rc && errno != ENOENT)
01937             rpmMessage(RPMMESS_DEBUG, " %8s (%s, ost) %s\n", cur,
01938                 fsm->path, (rc < 0 ? strerror(errno) : ""));
01939         if (rc < 0)     rc = CPIOERR_LSTAT_FAILED;
01940         break;
01941     case FSM_STAT:
01942         rc = Stat(fsm->path, ost);
01943         if (_fsm_debug && (stage & FSM_SYSCALL) && rc && errno != ENOENT)
01944             rpmMessage(RPMMESS_DEBUG, " %8s (%s, ost) %s\n", cur,
01945                 fsm->path, (rc < 0 ? strerror(errno) : ""));
01946         if (rc < 0)     rc = CPIOERR_STAT_FAILED;
01947         break;
01948     case FSM_READLINK:
01949         /* XXX NUL terminated result in fsm->rdbuf, len in fsm->rdnb. */
01950         rc = Readlink(fsm->path, fsm->rdbuf, fsm->rdsize - 1);
01951         if (_fsm_debug && (stage & FSM_SYSCALL))
01952             rpmMessage(RPMMESS_DEBUG, " %8s (%s, rdbuf, %d) %s\n", cur,
01953                 fsm->path, (int)(fsm->rdsize -1), (rc < 0 ? strerror(errno) : ""));
01954         if (rc < 0)     rc = CPIOERR_READLINK_FAILED;
01955         else {
01956             fsm->rdnb = rc;
01957             fsm->rdbuf[fsm->rdnb] = '\0';
01958             rc = 0;
01959         }
01960         break;
01961     case FSM_CHROOT:
01962         break;
01963 
01964     case FSM_NEXT:
01965         rc = fsmStage(fsm, FSM_HREAD);
01966         if (rc) break;
01967         if (!strcmp(fsm->path, CPIO_TRAILER)) { /* Detect end-of-payload. */
01968             fsm->path = _free(fsm->path);
01969             rc = CPIOERR_HDR_TRAILER;
01970         }
01971         if (!rc)
01972             rc = fsmStage(fsm, FSM_POS);
01973         break;
01974     case FSM_EAT:
01975         for (left = st->st_size; left > 0; left -= fsm->rdnb) {
01976             fsm->wrlen = (left > fsm->wrsize ? fsm->wrsize : left);
01977             rc = fsmStage(fsm, FSM_DREAD);
01978             if (rc)
01979                 /*@loopbreak@*/ break;
01980         }
01981         break;
01982     case FSM_POS:
01983         left = (modulo - (fdGetCpioPos(fsm->cfd) % modulo)) % modulo;
01984         if (left) {
01985             fsm->wrlen = left;
01986             (void) fsmStage(fsm, FSM_DREAD);
01987         }
01988         break;
01989     case FSM_PAD:
01990         left = (modulo - (fdGetCpioPos(fsm->cfd) % modulo)) % modulo;
01991         if (left) {
01992             memset(fsm->rdbuf, 0, left);
01993             /* XXX DWRITE uses rdnb for I/O length. */
01994             fsm->rdnb = left;
01995             (void) fsmStage(fsm, FSM_DWRITE);
01996         }
01997         break;
01998     case FSM_TRAILER:
01999         rc = cpioTrailerWrite(fsm);
02000         break;
02001     case FSM_HREAD:
02002         rc = fsmStage(fsm, FSM_POS);
02003         if (!rc)
02004             rc = cpioHeaderRead(fsm, st);       /* Read next payload header. */
02005         break;
02006     case FSM_HWRITE:
02007         rc = cpioHeaderWrite(fsm, st);          /* Write next payload header. */
02008         break;
02009     case FSM_DREAD:
02010         fsm->rdnb = Fread(fsm->wrbuf, sizeof(*fsm->wrbuf), fsm->wrlen, fsm->cfd);
02011         if (_fsm_debug && (stage & FSM_SYSCALL))
02012             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %d, cfd)\trdnb %d\n",
02013                 cur, (fsm->wrbuf == fsm->wrb ? "wrbuf" : "mmap"),
02014                 (int)fsm->wrlen, (int)fsm->rdnb);
02015         if (fsm->rdnb != fsm->wrlen || Ferror(fsm->cfd))
02016             rc = CPIOERR_READ_FAILED;
02017         if (fsm->rdnb > 0)
02018             fdSetCpioPos(fsm->cfd, fdGetCpioPos(fsm->cfd) + fsm->rdnb);
02019         break;
02020     case FSM_DWRITE:
02021         fsm->wrnb = Fwrite(fsm->rdbuf, sizeof(*fsm->rdbuf), fsm->rdnb, fsm->cfd);
02022         if (_fsm_debug && (stage & FSM_SYSCALL))
02023             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %d, cfd)\twrnb %d\n",
02024                 cur, (fsm->rdbuf == fsm->rdb ? "rdbuf" : "mmap"),
02025                 (int)fsm->rdnb, (int)fsm->wrnb);
02026         if (fsm->rdnb != fsm->wrnb || Ferror(fsm->cfd))
02027             rc = CPIOERR_WRITE_FAILED;
02028         if (fsm->wrnb > 0)
02029             fdSetCpioPos(fsm->cfd, fdGetCpioPos(fsm->cfd) + fsm->wrnb);
02030         break;
02031 
02032     case FSM_ROPEN:
02033         fsm->rfd = Fopen(fsm->path, "r.ufdio");
02034         if (fsm->rfd == NULL || Ferror(fsm->rfd)) {
02035             if (fsm->rfd)       (void) fsmStage(fsm, FSM_RCLOSE);
02036             fsm->rfd = NULL;
02037             rc = CPIOERR_OPEN_FAILED;
02038             break;
02039         }
02040         if (_fsm_debug && (stage & FSM_SYSCALL))
02041             rpmMessage(RPMMESS_DEBUG, " %8s (%s, \"r\") rfd %p rdbuf %p\n", cur,
02042                 fsm->path, fsm->rfd, fsm->rdbuf);
02043         break;
02044     case FSM_READ:
02045         fsm->rdnb = Fread(fsm->rdbuf, sizeof(*fsm->rdbuf), fsm->rdlen, fsm->rfd);
02046         if (_fsm_debug && (stage & FSM_SYSCALL))
02047             rpmMessage(RPMMESS_DEBUG, " %8s (rdbuf, %d, rfd)\trdnb %d\n",
02048                 cur, (int)fsm->rdlen, (int)fsm->rdnb);
02049         if (fsm->rdnb != fsm->rdlen || Ferror(fsm->rfd))
02050             rc = CPIOERR_READ_FAILED;
02051         break;
02052     case FSM_RCLOSE:
02053         if (fsm->rfd) {
02054             if (_fsm_debug && (stage & FSM_SYSCALL))
02055                 rpmMessage(RPMMESS_DEBUG, " %8s (%p)\n", cur, fsm->rfd);
02056             (void) Fclose(fsm->rfd);
02057             errno = saveerrno;
02058         }
02059         fsm->rfd = NULL;
02060         break;
02061     case FSM_WOPEN:
02062         fsm->wfd = Fopen(fsm->path, "w.ufdio");
02063         if (fsm->wfd == NULL || Ferror(fsm->wfd)) {
02064             if (fsm->wfd)       (void) fsmStage(fsm, FSM_WCLOSE);
02065             fsm->wfd = NULL;
02066             rc = CPIOERR_OPEN_FAILED;
02067         }
02068         if (_fsm_debug && (stage & FSM_SYSCALL))
02069             rpmMessage(RPMMESS_DEBUG, " %8s (%s, \"w\") wfd %p wrbuf %p\n", cur,
02070                 fsm->path, fsm->wfd, fsm->wrbuf);
02071         break;
02072     case FSM_WRITE:
02073         fsm->wrnb = Fwrite(fsm->wrbuf, sizeof(*fsm->wrbuf), fsm->rdnb, fsm->wfd);
02074         if (_fsm_debug && (stage & FSM_SYSCALL))
02075             rpmMessage(RPMMESS_DEBUG, " %8s (wrbuf, %d, wfd)\twrnb %d\n",
02076                 cur, (int)fsm->rdnb, (int)fsm->wrnb);
02077         if (fsm->rdnb != fsm->wrnb || Ferror(fsm->wfd))
02078             rc = CPIOERR_WRITE_FAILED;
02079         break;
02080     case FSM_WCLOSE:
02081         if (fsm->wfd) {
02082             if (_fsm_debug && (stage & FSM_SYSCALL))
02083                 rpmMessage(RPMMESS_DEBUG, " %8s (%p)\n", cur, fsm->wfd);
02084             (void) Fclose(fsm->wfd);
02085             errno = saveerrno;
02086         }
02087         fsm->wfd = NULL;
02088         break;
02089 
02090     default:
02091         break;
02092     }
02093 
02094     if (!(stage & FSM_INTERNAL)) {
02095         fsm->rc = (rc == CPIOERR_HDR_TRAILER ? 0 : rc);
02096     }
02097     return rc;
02098 }
02099 /*@=compmempass@*/
02100 
02101 /*@obserever@*/ const char *const fileActionString(fileAction a)
02102 {
02103     switch (a) {
02104     case FA_UNKNOWN:    return "unknown";
02105     case FA_CREATE:     return "create";
02106     case FA_COPYOUT:    return "copyout";
02107     case FA_COPYIN:     return "copyin";
02108     case FA_BACKUP:     return "backup";
02109     case FA_SAVE:       return "save";
02110     case FA_SKIP:       return "skip";
02111     case FA_ALTNAME:    return "altname";
02112     case FA_ERASE:      return "erase";
02113     case FA_SKIPNSTATE: return "skipnstate";
02114     case FA_SKIPNETSHARED: return "skipnetshared";
02115     case FA_SKIPMULTILIB: return "skipmultilib";
02116     default:            return "???";
02117     }
02118     /*@notreached@*/
02119 }
02120 
02121 /*@observer@*/ const char *const fileStageString(fileStage a) {
02122     switch(a) {
02123     case FSM_UNKNOWN:   return "unknown";
02124 
02125     case FSM_PKGINSTALL:return "pkginstall";
02126     case FSM_PKGERASE:  return "pkgerase";
02127     case FSM_PKGBUILD:  return "pkgbuild";
02128     case FSM_PKGCOMMIT: return "pkgcommit";
02129     case FSM_PKGUNDO:   return "pkgundo";
02130 
02131     case FSM_CREATE:    return "create";
02132     case FSM_INIT:      return "init";
02133     case FSM_MAP:       return "map";
02134     case FSM_MKDIRS:    return "mkdirs";
02135     case FSM_RMDIRS:    return "rmdirs";
02136     case FSM_PRE:       return "pre";
02137     case FSM_PROCESS:   return "process";
02138     case FSM_POST:      return "post";
02139     case FSM_MKLINKS:   return "mklinks";
02140     case FSM_NOTIFY:    return "notify";
02141     case FSM_UNDO:      return "undo";
02142     case FSM_FINI:      return "fini";
02143     case FSM_COMMIT:    return "commit";
02144     case FSM_DESTROY:   return "destroy";
02145     case FSM_VERIFY:    return "verify";
02146 
02147     case FSM_UNLINK:    return "Unlink";
02148     case FSM_RENAME:    return "Rename";
02149     case FSM_MKDIR:     return "Mkdir";
02150     case FSM_RMDIR:     return "rmdir";
02151     case FSM_CHOWN:     return "chown";
02152     case FSM_LCHOWN:    return "lchown";
02153     case FSM_CHMOD:     return "chmod";
02154     case FSM_UTIME:     return "utime";
02155     case FSM_SYMLINK:   return "symlink";
02156     case FSM_LINK:      return "Link";
02157     case FSM_MKFIFO:    return "mkfifo";
02158     case FSM_MKNOD:     return "mknod";
02159     case FSM_LSTAT:     return "Lstat";
02160     case FSM_STAT:      return "Stat";
02161     case FSM_READLINK:  return "Readlink";
02162     case FSM_CHROOT:    return "chroot";
02163 
02164     case FSM_NEXT:      return "next";
02165     case FSM_EAT:       return "eat";
02166     case FSM_POS:       return "pos";
02167     case FSM_PAD:       return "pad";
02168     case FSM_TRAILER:   return "trailer";
02169     case FSM_HREAD:     return "hread";
02170     case FSM_HWRITE:    return "hwrite";
02171     case FSM_DREAD:     return "Fread";
02172     case FSM_DWRITE:    return "Fwrite";
02173 
02174     case FSM_ROPEN:     return "Fopen";
02175     case FSM_READ:      return "Fread";
02176     case FSM_RCLOSE:    return "Fclose";
02177     case FSM_WOPEN:     return "Fopen";
02178     case FSM_WRITE:     return "Fwrite";
02179     case FSM_WCLOSE:    return "Fclose";
02180 
02181     default:            return "???";
02182     }
02183     /*@noteached@*/
02184 }

Generated at Wed Mar 27 03:56:49 2002 for rpm by doxygen1.2.8.1 written by Dimitri van Heesch, © 1997-2001