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# lib/fsm.c

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    00001
    00006 #include "system.h"
    00007
    00008 #include <rpmio_internal.h>
    00009 #include <rpmlib.h>
    00010
    00011 #include "cpio.h"
    00012 #include "fsm.h"
    00013 #include "rpmerr.h"
    00014
    00015 #define _RPMFI_INTERNAL
    00016 #include "rpmfi.h"
    00017 #include "rpmte.h"
    00018 #include "rpmts.h"
    00019
    00020 #include "debug.h"
    00021
    00022 /*@access FD_t @*/
    00023 /*@access FSMI_t @*/
    00024 /*@access FSM_t @*/
    00025
    00026 /*@access rpmfi @*/
    00027 /*@access rpmte @*/
    00028 /*@access rpmts @*/
    00029
    00030 #define alloca_strdup(_s)       strcpy(alloca(strlen(_s)+1), (_s))
    00031
    00032 /*@unchecked@*/
    00033 int _fsm_debug = 0;
    00034
    00035 /* XXX Failure to remove is not (yet) cause for failure. */
    00036 /*@-exportlocal -exportheadervar@*/
    00037 /*@unchecked@*/
    00038 int strict_erasures = 0;
    00039 /*@=exportlocal =exportheadervar@*/
    00040
    00041 rpmts fsmGetTs(const FSM_t fsm) {
    00042     const FSMI_t iter = fsm->iter;
    00043     /*@-compdef -refcounttrans -retexpose -usereleased @*/
    00044     return (iter ? iter->ts : NULL);
    00045     /*@=compdef =refcounttrans =retexpose =usereleased @*/
    00046 }
    00047
    00048 rpmfi fsmGetFi(const FSM_t fsm)
    00049 {
    00050     const FSMI_t iter = fsm->iter;
    00051     /*@-compdef -refcounttrans -retexpose -usereleased @*/
    00052     return (iter ? iter->fi : NULL);
    00053     /*@=compdef =refcounttrans =retexpose =usereleased @*/
    00054 }
    00055
    00056 #define SUFFIX_RPMORIG  ".rpmorig"
    00057 #define SUFFIX_RPMSAVE  ".rpmsave"
    00058 #define SUFFIX_RPMNEW   ".rpmnew"
    00059
    00068 static /*@only@*//*@null@*/
    00069 const char * fsmFsPath(/*@special@*/ /*@null@*/ const FSM_t fsm,
    00070                 /*@null@*/ const struct stat * st,
    00071                 /*@null@*/ const char * subdir,
    00072                 /*@null@*/ const char * suffix)
    00073         /*@uses fsm->dirName, fsm->baseName */
    00074         /*@*/
    00075 {
    00076     const char * s = NULL;
    00077
    00078     if (fsm) {
    00079         int nb;
    00080         char * t;
    00081         nb = strlen(fsm->dirName) +
    00082             (st && !S_ISDIR(st->st_mode) ? (subdir ? strlen(subdir) : 0) : 0) +
    00083             (st && !S_ISDIR(st->st_mode) ? (suffix ? strlen(suffix) : 0) : 0) +
    00084             strlen(fsm->baseName) + 1;
    00085 /*@-boundswrite@*/
    00086         s = t = xmalloc(nb);
    00087         t = stpcpy(t, fsm->dirName);
    00088         if (st && !S_ISDIR(st->st_mode))
    00089             if (subdir) t = stpcpy(t, subdir);
    00090         t = stpcpy(t, fsm->baseName);
    00091         if (st && !S_ISDIR(st->st_mode))
    00092             if (suffix) t = stpcpy(t, suffix);
    00093 /*@=boundswrite@*/
    00094     }
    00095     return s;
    00096 }
    00097
    00103 static /*@null@*/ void * mapFreeIterator(/*@only@*//*@null@*/ void * p)
    00104         /*@globals fileSystem @*/
    00105         /*@modifies fileSystem @*/
    00106 {
    00107     FSMI_t iter = p;
    00108     if (iter) {
    00109         iter->ts = rpmtsFree(iter->ts);
    00110         iter->fi = rpmfiUnlink(iter->fi, "mapIterator");
    00111     }
    00112     return _free(p);
    00113 }
    00114
    00121 static void *
    00122 mapInitIterator(rpmts ts, rpmfi fi)
    00123         /*@modifies ts, fi @*/
    00124 {
    00125     FSMI_t iter = NULL;
    00126
    00127     iter = xcalloc(1, sizeof(*iter));
    00128     iter->ts = rpmtsLink(ts, "mapIterator");
    00129     iter->fi = rpmfiLink(fi, "mapIterator");
    00130     iter->reverse = (rpmteType(fi->te) == TR_REMOVED && fi->action != FA_COPYOUT);
    00131     iter->i = (iter->reverse ? (fi->fc - 1) : 0);
    00132     iter->isave = iter->i;
    00133     return iter;
    00134 }
    00135
    00141 static int mapNextIterator(/*@null@*/ void * a)
    00142         /*@*/
    00143 {
    00144     FSMI_t iter = a;
    00145     int i = -1;
    00146
    00147     if (iter) {
    00148         const rpmfi fi = iter->fi;
    00149         if (iter->reverse) {
    00150             if (iter->i >= 0)   i = iter->i--;
    00151         } else {
    00152             if (iter->i < fi->fc)       i = iter->i++;
    00153         }
    00154         iter->isave = i;
    00155     }
    00156     return i;
    00157 }
    00158
    00161 /*@-boundsread@*/
    00162 static int cpioStrCmp(const void * a, const void * b)
    00163         /*@*/
    00164 {
    00165     const char * afn = *(const char **)a;
    00166     const char * bfn = *(const char **)b;
    00167
    00168     /* XXX Some 4+ year old rpm packages have basename only in payloads. */
    00169 #ifdef  VERY_OLD_BUGGY_RPM_PACKAGES
    00170     if (strchr(afn, '/') == NULL)
    00171         bfn = strrchr(bfn, '/') + 1;
    00172 #endif
    00173
    00174     /* Match rpm-4.0 payloads with ./ prefixes. */
    00175     if (afn[0] == '.' && afn[1] == '/') afn += 2;
    00176     if (bfn[0] == '.' && bfn[1] == '/') bfn += 2;
    00177
    00178     /* If either path is absolute, make it relative. */
    00179     if (afn[0] == '/')  afn += 1;
    00180     if (bfn[0] == '/')  bfn += 1;
    00181
    00182     return strcmp(afn, bfn);
    00183 }
    00184 /*@=boundsread@*/
    00185
    00192 /*@-boundsread@*/
    00193 static int mapFind(/*@null@*/ FSMI_t iter, const char * fsmPath)
    00194         /*@modifies iter @*/
    00195 {
    00196     int ix = -1;
    00197
    00198     if (iter) {
    00199         const rpmfi fi = iter->fi;
    00200         if (fi && fi->fc > 0 && fi->apath && fsmPath && *fsmPath) {
    00201             const char ** p = NULL;
    00202
    00203 /*@-boundswrite@*/
    00204             if (fi->apath != NULL)
    00205                 p = bsearch(&fsmPath, fi->apath, fi->fc, sizeof(fsmPath),
    00206                         cpioStrCmp);
    00207 /*@=boundswrite@*/
    00208             if (p) {
    00209                 iter->i = p - fi->apath;
    00210                 ix = mapNextIterator(iter);
    00211             }
    00212         }
    00213     }
    00214     return ix;
    00215 }
    00216 /*@=boundsread@*/
    00217
    00221 typedef struct dnli_s {
    00222     rpmfi fi;
    00223 /*@only@*/ /*@null@*/
    00224     char * active;
    00225     int reverse;
    00226     int isave;
    00227     int i;
    00228 } * DNLI_t;
    00229
    00235 static /*@null@*/ void * dnlFreeIterator(/*@only@*//*@null@*/ const void * a)
    00236         /*@modifies a @*/
    00237 {
    00238     if (a) {
    00239         DNLI_t dnli = (void *)a;
    00240         if (dnli->active) free(dnli->active);
    00241     }
    00242     return _free(a);
    00243 }
    00244
    00247 static inline int dnlCount(const DNLI_t dnli)
    00248         /*@*/
    00249 {
    00250     return (dnli ? dnli->fi->dc : 0);
    00251 }
    00252
    00255 static inline int dnlIndex(const DNLI_t dnli)
    00256         /*@*/
    00257 {
    00258     return (dnli ? dnli->isave : -1);
    00259 }
    00260
    00267 /*@-boundsread@*/
    00268 /*@-usereleased@*/
    00269 static /*@only@*/ void * dnlInitIterator(/*@special@*/ const FSM_t fsm,
    00270                 int reverse)
    00271         /*@uses fsm->iter @*/
    00272         /*@*/
    00273 {
    00274     rpmfi fi = fsmGetFi(fsm);
    00275     DNLI_t dnli;
    00276     int i, j;
    00277
    00278     if (fi == NULL)
    00279         return NULL;
    00280     dnli = xcalloc(1, sizeof(*dnli));
    00281     dnli->fi = fi;
    00282     dnli->reverse = reverse;
    00283     /*@-branchstate@*/
    00284     dnli->i = (reverse ? fi->dc : 0);
    00285     /*@=branchstate@*/
    00286
    00287     if (fi->dc) {
    00288         dnli->active = xcalloc(fi->dc, sizeof(*dnli->active));
    00289
    00290         /* Identify parent directories not skipped. */
    00291 /*@-boundswrite@*/
    00292         for (i = 0; i < fi->fc; i++)
    00293             if (!XFA_SKIPPING(fi->actions[i])) dnli->active[fi->dil[i]] = 1;
    00294 /*@=boundswrite@*/
    00295
    00296         /* Exclude parent directories that are explicitly included. */
    00297         for (i = 0; i < fi->fc; i++) {
    00298             int dil, dnlen, bnlen;
    00299
    00300             if (!S_ISDIR(fi->fmodes[i]))
    00301                 continue;
    00302
    00303             dil = fi->dil[i];
    00304             dnlen = strlen(fi->dnl[dil]);
    00305             bnlen = strlen(fi->bnl[i]);
    00306
    00307             for (j = 0; j < fi->dc; j++) {
    00308                 const char * dnl;
    00309                 int jlen;
    00310
    00311                 if (!dnli->active[j] || j == dil)
    00312                     /*@innercontinue@*/ continue;
    00313                 dnl = fi->dnl[j];
    00314                 jlen = strlen(dnl);
    00315                 if (jlen != (dnlen+bnlen+1))
    00316                     /*@innercontinue@*/ continue;
    00317                 if (strncmp(dnl, fi->dnl[dil], dnlen))
    00318                     /*@innercontinue@*/ continue;
    00319                 if (strncmp(dnl+dnlen, fi->bnl[i], bnlen))
    00320                     /*@innercontinue@*/ continue;
    00321                 if (dnl[dnlen+bnlen] != '/' || dnl[dnlen+bnlen+1] != '\0')
    00322                     /*@innercontinue@*/ continue;
    00323                 /* This directory is included in the package. */
    00324 /*@-boundswrite@*/
    00325                 dnli->active[j] = 0;
    00326 /*@=boundswrite@*/
    00327                 /*@innerbreak@*/ break;
    00328             }
    00329         }
    00330
    00331         /* Print only once per package. */
    00332         if (!reverse) {
    00333             j = 0;
    00334             for (i = 0; i < fi->dc; i++) {
    00335                 if (!dnli->active[i]) continue;
    00336                 if (j == 0) {
    00337                     j = 1;
    00338                     rpmMessage(RPMMESS_DEBUG,
    00339         _("========== Directories not explictly included in package:\n"));
    00340                 }
    00341                 rpmMessage(RPMMESS_DEBUG, _("%10d %s\n"), i, fi->dnl[i]);
    00342             }
    00343             if (j)
    00344                 rpmMessage(RPMMESS_DEBUG, "==========\n");
    00345         }
    00346     }
    00347     return dnli;
    00348 }
    00349 /*@=usereleased@*/
    00350 /*@=boundsread@*/
    00351
    00357 /*@-boundsread@*/
    00358 static /*@observer@*/ const char * dnlNextIterator(/*@null@*/ DNLI_t dnli)
    00359         /*@modifies dnli @*/
    00360 {
    00361     const char * dn = NULL;
    00362
    00363     if (dnli) {
    00364         rpmfi fi = dnli->fi;
    00365         int i = -1;
    00366
    00367         if (dnli->active)
    00368         do {
    00369             i = (!dnli->reverse ? dnli->i++ : --dnli->i);
    00370         } while (i >= 0 && i < fi->dc && !dnli->active[i]);
    00371
    00372         if (i >= 0 && i < fi->dc)
    00373             dn = fi->dnl[i];
    00374         else
    00375             i = -1;
    00376         dnli->isave = i;
    00377     }
    00378     return dn;
    00379 }
    00380 /*@=boundsread@*/
    00381
    00387 /*@-boundsread@*/
    00388 static int saveHardLink(/*@special@*/ /*@partial@*/ FSM_t fsm)
    00389         /*@uses fsm->links, fsm->ix, fsm->sb, fsm->goal, fsm->nsuffix @*/
    00390         /*@defines fsm->li @*/
    00391         /*@releases fsm->path @*/
    00392         /*@globals fileSystem, internalState @*/
    00393         /*@modifies fsm, fileSystem, internalState @*/
    00394 {
    00395     struct stat * st = &fsm->sb;
    00396     int rc = 0;
    00397     int ix = -1;
    00398     int j;
    00399
    00400     /* Find hard link set. */
    00401     /*@-branchstate@*/
    00402     for (fsm->li = fsm->links; fsm->li; fsm->li = fsm->li->next) {
    00403         if (fsm->li->sb.st_ino == st->st_ino && fsm->li->sb.st_dev == st->st_dev)
    00404             break;
    00405     }
    00406     /*@=branchstate@*/
    00407
    00408     /* New hard link encountered, add new link to set. */
    00409 /*@-boundswrite@*/
    00410     /*@-branchstate@*/
    00411     if (fsm->li == NULL) {
    00412         fsm->li = xcalloc(1, sizeof(*fsm->li));
    00413         fsm->li->next = NULL;
    00414         fsm->li->sb = *st;      /* structure assignment */
    00415         fsm->li->nlink = st->st_nlink;
    00416         fsm->li->linkIndex = fsm->ix;
    00417         fsm->li->createdPath = -1;
    00418
    00419         fsm->li->filex = xcalloc(st->st_nlink, sizeof(fsm->li->filex[0]));
    00420         memset(fsm->li->filex, -1, (st->st_nlink * sizeof(fsm->li->filex[0])));
    00421         fsm->li->nsuffix = xcalloc(st->st_nlink, sizeof(*fsm->li->nsuffix));
    00422
    00423         if (fsm->goal == FSM_PKGBUILD)
    00424             fsm->li->linksLeft = st->st_nlink;
    00425         if (fsm->goal == FSM_PKGINSTALL)
    00426             fsm->li->linksLeft = 0;
    00427
    00428         /*@-kepttrans@*/
    00429         fsm->li->next = fsm->links;
    00430         /*@=kepttrans@*/
    00431         fsm->links = fsm->li;
    00432     }
    00433     /*@=branchstate@*/
    00434 /*@=boundswrite@*/
    00435
    00436     if (fsm->goal == FSM_PKGBUILD) --fsm->li->linksLeft;
    00437 /*@-boundswrite@*/
    00438     fsm->li->filex[fsm->li->linksLeft] = fsm->ix;
    00439     /*@-observertrans -dependenttrans@*/
    00440     fsm->li->nsuffix[fsm->li->linksLeft] = fsm->nsuffix;
    00441     /*@=observertrans =dependenttrans@*/
    00442 /*@=boundswrite@*/
    00443     if (fsm->goal == FSM_PKGINSTALL) fsm->li->linksLeft++;
    00444
    00445     if (fsm->goal == FSM_PKGBUILD)
    00446         return (fsm->li->linksLeft > 0);
    00447
    00448     if (fsm->goal != FSM_PKGINSTALL)
    00449         return 0;
    00450
    00451     if (!(st->st_size || fsm->li->linksLeft == st->st_nlink))
    00452         return 1;
    00453
    00454     /* Here come the bits, time to choose a non-skipped file name. */
    00455     {   rpmfi fi = fsmGetFi(fsm);
    00456
    00457         for (j = fsm->li->linksLeft - 1; j >= 0; j--) {
    00458             ix = fsm->li->filex[j];
    00459             if (ix < 0 || XFA_SKIPPING(fi->actions[ix]))
    00460                 continue;
    00461             break;
    00462         }
    00463     }
    00464
    00465     /* Are all links skipped or not encountered yet? */
    00466     if (ix < 0 || j < 0)
    00467         return 1;       /* XXX W2DO? */
    00468
    00469     /* Save the non-skipped file name and map index. */
    00470     fsm->li->linkIndex = j;
    00471     fsm->path = _free(fsm->path);
    00472     fsm->ix = ix;
    00473     rc = fsmStage(fsm, FSM_MAP);
    00474     return rc;
    00475 }
    00476 /*@=boundsread@*/
    00477
    00483 static /*@null@*/ void * freeHardLink(/*@only@*/ /*@null@*/ struct hardLink_s * li)
    00484         /*@modifies li @*/
    00485 {
    00486     if (li) {
    00487         li->nsuffix = _free(li->nsuffix);       /* XXX elements are shared */
    00488         li->filex = _free(li->filex);
    00489     }
    00490     return _free(li);
    00491 }
    00492
    00493 FSM_t newFSM(void)
    00494 {
    00495     FSM_t fsm = xcalloc(1, sizeof(*fsm));
    00496     return fsm;
    00497 }
    00498
    00499 FSM_t freeFSM(FSM_t fsm)
    00500 {
    00501     if (fsm) {
    00502         fsm->path = _free(fsm->path);
    00503         /*@-branchstate@*/
    00504         while ((fsm->li = fsm->links) != NULL) {
    00505             fsm->links = fsm->li->next;
    00506             fsm->li->next = NULL;
    00507             fsm->li = freeHardLink(fsm->li);
    00508         }
    00509         /*@=branchstate@*/
    00510         fsm->dnlx = _free(fsm->dnlx);
    00511         fsm->ldn = _free(fsm->ldn);
    00512         fsm->iter = mapFreeIterator(fsm->iter);
    00513     }
    00514     return _free(fsm);
    00515 }
    00516
    00517 int fsmSetup(FSM_t fsm, fileStage goal,
    00518                 const rpmts ts, const rpmfi fi, FD_t cfd,
    00519                 unsigned int * archiveSize, const char ** failedFile)
    00520 {
    00521     size_t pos = 0;
    00522     int rc, ec = 0;
    00523
    00524     fsm->goal = goal;
    00525     if (cfd) {
    00526         /*@-type@*/ /* FIX: cast? */
    00527         fsm->cfd = fdLink(cfd, "persist (fsm)");
    00528         /*@=type@*/
    00529         pos = fdGetCpioPos(fsm->cfd);
    00530         fdSetCpioPos(fsm->cfd, 0);
    00531     }
    00532     fsm->iter = mapInitIterator(ts, fi);
    00533
    00534     if (fsm->goal == FSM_PKGINSTALL || fsm->goal == FSM_PKGBUILD) {
    00535         void * ptr;
    00536         fi->archivePos = 0;
    00537         ptr = rpmtsNotify(ts, fi->te,
    00538                 RPMCALLBACK_INST_START, fi->archivePos, fi->archiveSize);
    00539     }
    00540
    00541 /*@-boundswrite@*/
    00542     /*@-assignexpose@*/
    00543     fsm->archiveSize = archiveSize;
    00544     if (fsm->archiveSize)
    00545         *fsm->archiveSize = 0;
    00546     fsm->failedFile = failedFile;
    00547     if (fsm->failedFile)
    00548         *fsm->failedFile = NULL;
    00549     /*@=assignexpose@*/
    00550 /*@=boundswrite@*/
    00551
    00552     memset(fsm->sufbuf, 0, sizeof(fsm->sufbuf));
    00553     if (fsm->goal == FSM_PKGINSTALL) {
    00554         if (ts && rpmtsGetTid(ts) > 0)
    00555             sprintf(fsm->sufbuf, ";%08x", (unsigned)rpmtsGetTid(ts));
    00556     }
    00557
    00558     ec = fsm->rc = 0;
    00559     rc = fsmStage(fsm, FSM_CREATE);
    00560     if (rc && !ec) ec = rc;
    00561
    00562     rc = fsmStage(fsm, fsm->goal);
    00563     if (rc && !ec) ec = rc;
    00564
    00565 /*@-boundswrite@*/
    00566     if (fsm->archiveSize && ec == 0)
    00567         *fsm->archiveSize = (fdGetCpioPos(fsm->cfd) - pos);
    00568 /*@=boundswrite@*/
    00569
    00570    return ec;
    00571 }
    00572
    00573 int fsmTeardown(FSM_t fsm)
    00574 {
    00575     int rc = fsm->rc;
    00576
    00577     if (!rc)
    00578         rc = fsmStage(fsm, FSM_DESTROY);
    00579
    00580     fsm->iter = mapFreeIterator(fsm->iter);
    00581     if (fsm->cfd) {
    00582         /*@-type@*/ /* FIX: cast? */
    00583         fsm->cfd = fdFree(fsm->cfd, "persist (fsm)");
    00584         /*@=type@*/
    00585         fsm->cfd = NULL;
    00586     }
    00587     fsm->failedFile = NULL;
    00588     return rc;
    00589 }
    00590
    00591 int fsmMapPath(FSM_t fsm)
    00592 {
    00593     rpmfi fi = fsmGetFi(fsm);   /* XXX const except for fstates */
    00594     int rc = 0;
    00595     int i;
    00596
    00597     fsm->osuffix = NULL;
    00598     fsm->nsuffix = NULL;
    00599     fsm->astriplen = 0;
    00600     fsm->action = FA_UNKNOWN;
    00601     fsm->mapFlags = 0;
    00602
    00603     i = fsm->ix;
    00604     if (fi && i >= 0 && i < fi->fc) {
    00605
    00606 /*@-boundsread@*/
    00607         fsm->astriplen = fi->astriplen;
    00608         fsm->action = (fi->actions ? fi->actions[i] : fi->action);
    00609         fsm->fflags = (fi->fflags ? fi->fflags[i] : fi->flags);
    00610         fsm->mapFlags = (fi->fmapflags ? fi->fmapflags[i] : fi->mapflags);
    00611
    00612         /* src rpms have simple base name in payload. */
    00613         fsm->dirName = fi->dnl[fi->dil[i]];
    00614         fsm->baseName = fi->bnl[i];
    00615 /*@=boundsread@*/
    00616
    00617 /*@-boundswrite@*/
    00618         switch (fsm->action) {
    00619         case FA_SKIP:
    00620             break;
    00621         case FA_SKIPMULTILIB:   /* XXX RPMFILE_STATE_MULTILIB? */
    00622             break;
    00623         case FA_UNKNOWN:
    00624             break;
    00625
    00626         case FA_COPYOUT:
    00627             break;
    00628         case FA_COPYIN:
    00629         case FA_CREATE:
    00630 assert(rpmteType(fi->te) == TR_ADDED);
    00631             break;
    00632
    00633         case FA_SKIPNSTATE:
    00634             if (fi->fstates && rpmteType(fi->te) == TR_ADDED)
    00635                 fi->fstates[i] = RPMFILE_STATE_NOTINSTALLED;
    00636             break;
    00637
    00638         case FA_SKIPNETSHARED:
    00639             if (fi->fstates && rpmteType(fi->te) == TR_ADDED)
    00640                 fi->fstates[i] = RPMFILE_STATE_NETSHARED;
    00641             break;
    00642
    00643         case FA_BACKUP:
    00644             if (!(fsm->fflags & RPMFILE_GHOST)) /* XXX Don't if %ghost file. */
    00645             switch (rpmteType(fi->te)) {
    00646             case TR_ADDED:
    00647                 fsm->osuffix = SUFFIX_RPMORIG;
    00648                 /*@innerbreak@*/ break;
    00649             case TR_REMOVED:
    00650                 fsm->osuffix = SUFFIX_RPMSAVE;
    00651                 /*@innerbreak@*/ break;
    00652             }
    00653             break;
    00654
    00655         case FA_ALTNAME:
    00656 assert(rpmteType(fi->te) == TR_ADDED);
    00657             if (!(fsm->fflags & RPMFILE_GHOST)) /* XXX Don't if %ghost file. */
    00658                 fsm->nsuffix = SUFFIX_RPMNEW;
    00659             break;
    00660
    00661         case FA_SAVE:
    00662 assert(rpmteType(fi->te) == TR_ADDED);
    00663             if (!(fsm->fflags & RPMFILE_GHOST)) /* XXX Don't if %ghost file. */
    00664                 fsm->osuffix = SUFFIX_RPMSAVE;
    00665             break;
    00666         case FA_ERASE:
    00667             assert(rpmteType(fi->te) == TR_REMOVED);
    00668             /*
    00669              * XXX TODO: %ghost probably shouldn't be removed, but that changes
    00670              * legacy rpm behavior.
    00671              */
    00672             break;
    00673         default:
    00674             break;
    00675         }
    00676 /*@=boundswrite@*/
    00677
    00678         if ((fsm->mapFlags & CPIO_MAP_PATH) || fsm->nsuffix) {
    00679             const struct stat * st = &fsm->sb;
    00680             fsm->path = _free(fsm->path);
    00681             fsm->path = fsmFsPath(fsm, st, fsm->subdir,
    00682                 (fsm->suffix ? fsm->suffix : fsm->nsuffix));
    00683         }
    00684     }
    00685     return rc;
    00686 }
    00687
    00688 int fsmMapAttrs(FSM_t fsm)
    00689 {
    00690     struct stat * st = &fsm->sb;
    00691     rpmfi fi = fsmGetFi(fsm);
    00692     int i = fsm->ix;
    00693
    00694     if (fi && i >= 0 && i < fi->fc) {
    00695         mode_t perms =
    00696                 (S_ISDIR(st->st_mode) ? fi->dperms : fi->fperms);
    00697         mode_t finalMode =
    00698                 (fi->fmodes ? fi->fmodes[i] : perms);
    00699         uid_t finalUid =
    00700                 (fi->fuids ? fi->fuids[i] : fi->uid); /* XXX chmod u-s */
    00701         gid_t finalGid =
    00702                 (fi->fgids ? fi->fgids[i] : fi->gid); /* XXX chmod g-s */
    00703         dev_t finalRdev =
    00704                 (fi->frdevs ? fi->frdevs[i] : 0);
    00705         int_32 finalMtime =
    00706                 (fi->fmtimes ? fi->fmtimes[i] : 0);
    00707
    00708         if (fsm->mapFlags & CPIO_MAP_MODE)
    00709             st->st_mode = (st->st_mode & S_IFMT) | (finalMode & ~S_IFMT);
    00710         if (fsm->mapFlags & CPIO_MAP_TYPE) {
    00711             st->st_mode = (st->st_mode & ~S_IFMT) | (finalMode & S_IFMT);
    00712             if ((S_ISCHR(st->st_mode) || S_ISBLK(st->st_mode))
    00713             && st->st_nlink == 0)
    00714                 st->st_nlink = 1;
    00715             st->st_rdev = finalRdev;
    00716             st->st_mtime = finalMtime;
    00717         }
    00718         if (fsm->mapFlags & CPIO_MAP_UID)
    00719             st->st_uid = finalUid;
    00720         if (fsm->mapFlags & CPIO_MAP_GID)
    00721             st->st_gid = finalGid;
    00722
    00723         {   rpmts ts = fsmGetTs(fsm);
    00724
    00725             if (ts != NULL && !(rpmtsFlags(ts) & RPMTRANS_FLAG_NOMD5)) {
    00726                 fsm->fmd5sum = (fi->fmd5s ? fi->fmd5s[i] : NULL);
    00727                 fsm->md5sum = (fi->md5s ? (fi->md5s + (16 * i)) : NULL);
    00728             } else {
    00729                 fsm->fmd5sum = NULL;
    00730                 fsm->md5sum = NULL;
    00731             }
    00732         }
    00733
    00734     }
    00735     return 0;
    00736 }
    00737
    00743 static int expandRegular(/*@special@*/ FSM_t fsm)
    00744         /*@uses fsm->sb @*/
    00745         /*@globals fileSystem, internalState @*/
    00746         /*@modifies fsm, fileSystem, internalState @*/
    00747 {
    00748     const struct stat * st = &fsm->sb;
    00749     int left = st->st_size;
    00750     int rc = 0;
    00751
    00752     rc = fsmStage(fsm, FSM_WOPEN);
    00753     if (rc)
    00754         goto exit;
    00755
    00756     if (st->st_size > 0 && (fsm->fmd5sum || fsm->md5sum))
    00757         fdInitDigest(fsm->wfd, PGPHASHALGO_MD5, 0);
    00758
    00759     while (left) {
    00760
    00761         fsm->wrlen = (left > fsm->wrsize ? fsm->wrsize : left);
    00762         rc = fsmStage(fsm, FSM_DREAD);
    00763         if (rc)
    00764             goto exit;
    00765
    00766         rc = fsmStage(fsm, FSM_WRITE);
    00767         if (rc)
    00768             goto exit;
    00769
    00770         left -= fsm->wrnb;
    00771
    00772         /* don't call this with fileSize == fileComplete */
    00773         if (!rc && left)
    00774             (void) fsmStage(fsm, FSM_NOTIFY);
    00775     }
    00776
    00777     if (st->st_size > 0 && (fsm->fmd5sum || fsm->md5sum)) {
    00778         void * md5sum = NULL;
    00779         int asAscii = (fsm->md5sum == NULL ? 1 : 0);
    00780
    00781         (void) Fflush(fsm->wfd);
    00782         fdFiniDigest(fsm->wfd, PGPHASHALGO_MD5, &md5sum, NULL, asAscii);
    00783
    00784         if (md5sum == NULL) {
    00785             rc = CPIOERR_MD5SUM_MISMATCH;
    00786             goto exit;
    00787         }
    00788
    00789         if (fsm->md5sum != NULL) {
    00790             if (memcmp(md5sum, fsm->md5sum, 16))
    00791                 rc = CPIOERR_MD5SUM_MISMATCH;
    00792         } else {
    00793             if (strcmp(md5sum, fsm->fmd5sum))
    00794                 rc = CPIOERR_MD5SUM_MISMATCH;
    00795         }
    00796         md5sum = _free(md5sum);
    00797     }
    00798
    00799 exit:
    00800     (void) fsmStage(fsm, FSM_WCLOSE);
    00801     return rc;
    00802 }
    00803
    00810 static int writeFile(/*@special@*/ FSM_t fsm, int writeData)
    00811         /*@uses fsm->path, fsm->opath, fsm->sb, fsm->osb, fsm->cfd @*/
    00812         /*@globals fileSystem, internalState @*/
    00813         /*@modifies fsm, fileSystem, internalState @*/
    00814 {
    00815     const char * path = fsm->path;
    00816     const char * opath = fsm->opath;
    00817     struct stat * st = &fsm->sb;
    00818     struct stat * ost = &fsm->osb;
    00819     char * symbuf = NULL;
    00820     int left;
    00821     int xx;
    00822     int rc;
    00823
    00824     st->st_size = (writeData ? ost->st_size : 0);
    00825
    00826     /*@-branchstate@*/
    00827     if (S_ISDIR(st->st_mode)) {
    00828         st->st_size = 0;
    00829     } else if (S_ISLNK(st->st_mode)) {
    00830         /*
    00831          * While linux puts the size of a symlink in the st_size field,
    00832          * I don't think that's a specified standard.
    00833          */
    00834         /* XXX NUL terminated result in fsm->rdbuf, len in fsm->rdnb. */
    00835         rc = fsmStage(fsm, FSM_READLINK);
    00836         if (rc) goto exit;
    00837         st->st_size = fsm->rdnb;
    00838         symbuf = alloca_strdup(fsm->rdbuf);     /* XXX save readlink return. */
    00839     }
    00840     /*@=branchstate@*/
    00841
    00842     if (fsm->mapFlags & CPIO_MAP_ABSOLUTE) {
    00843 /*@-compdef@*/ /* FIX: dirName/baseName annotations ? */
    00844 /*@-boundswrite@*/
    00845         int nb = strlen(fsm->dirName) + strlen(fsm->baseName) + sizeof(".");
    00846         char * t = alloca(nb);
    00847         *t = '\0';
    00848         fsm->path = t;
    00849         if (fsm->mapFlags & CPIO_MAP_ADDDOT)
    00850             *t++ = '.';
    00851         t = stpcpy( stpcpy(t, fsm->dirName), fsm->baseName);
    00852 /*@=boundswrite@*/
    00853 /*@=compdef@*/
    00854     } else if (fsm->mapFlags & CPIO_MAP_PATH) {
    00855         rpmfi fi = fsmGetFi(fsm);
    00856         fsm->path =
    00857             (fi->apath ? fi->apath[fsm->ix] + fi->striplen : fi->bnl[fsm->ix]);
    00858     }
    00859
    00860     rc = fsmStage(fsm, FSM_HWRITE);
    00861     fsm->path = path;
    00862     if (rc) goto exit;
    00863
    00864     if (writeData && S_ISREG(st->st_mode)) {
    00865 #if HAVE_MMAP
    00866         char * rdbuf = NULL;
    00867         void * mapped = (void *)-1;
    00868         size_t nmapped;
    00869 #endif
    00870
    00871         rc = fsmStage(fsm, FSM_ROPEN);
    00872         if (rc) goto exit;
    00873
    00874         /* XXX unbuffered mmap generates *lots* of fdio debugging */
    00875 #if HAVE_MMAP
    00876         nmapped = 0;
    00877         mapped = mmap(NULL, st->st_size, PROT_READ, MAP_SHARED, Fileno(fsm->rfd), 0);
    00878         if (mapped != (void *)-1) {
    00879             rdbuf = fsm->rdbuf;
    00880             fsm->rdbuf = (char *) mapped;
    00881             fsm->rdlen = nmapped = st->st_size;
    00882 #if defined(MADV_DONTNEED)
    00883             xx = madvise(mapped, nmapped, MADV_DONTNEED);
    00884 #endif
    00885         }
    00886 #endif
    00887
    00888         left = st->st_size;
    00889
    00890         while (left) {
    00891 #if HAVE_MMAP
    00892           if (mapped != (void *)-1) {
    00893             fsm->rdnb = nmapped;
    00894           } else
    00895 #endif
    00896           {
    00897             fsm->rdlen = (left > fsm->rdsize ? fsm->rdsize : left),
    00898             rc = fsmStage(fsm, FSM_READ);
    00899             if (rc) goto exit;
    00900           }
    00901
    00902             /* XXX DWRITE uses rdnb for I/O length. */
    00903             rc = fsmStage(fsm, FSM_DWRITE);
    00904             if (rc) goto exit;
    00905
    00906             left -= fsm->wrnb;
    00907         }
    00908
    00909 #if HAVE_MMAP
    00910         if (mapped != (void *)-1) {
    00911             xx = msync(mapped, nmapped, MS_ASYNC);
    00912 #if defined(MADV_DONTNEED)
    00913             xx = madvise(mapped, nmapped, MADV_DONTNEED);
    00914 #endif
    00915             /*@-noeffect@*/ xx = munmap(mapped, nmapped) /*@=noeffect@*/;
    00916             fsm->rdbuf = rdbuf;
    00917         }
    00918 #endif
    00919
    00920     } else if (writeData && S_ISLNK(st->st_mode)) {
    00921         /* XXX DWRITE uses rdnb for I/O length. */
    00922 /*@-boundswrite@*/
    00923         strcpy(fsm->rdbuf, symbuf);     /* XXX restore readlink buffer. */
    00924 /*@=boundswrite@*/
    00925         fsm->rdnb = strlen(symbuf);
    00926         rc = fsmStage(fsm, FSM_DWRITE);
    00927         if (rc) goto exit;
    00928     }
    00929
    00930     rc = fsmStage(fsm, FSM_PAD);
    00931     if (rc) goto exit;
    00932
    00933     rc = 0;
    00934
    00935 exit:
    00936     if (fsm->rfd)
    00937         (void) fsmStage(fsm, FSM_RCLOSE);
    00938     /*@-dependenttrans@*/
    00939     fsm->opath = opath;
    00940     fsm->path = path;
    00941     /*@=dependenttrans@*/
    00942     return rc;
    00943 }
    00944
    00950 static int writeLinkedFile(/*@special@*/ FSM_t fsm)
    00951         /*@uses fsm->path, fsm->nsuffix, fsm->ix, fsm->li, fsm->failedFile @*/
    00952         /*@globals fileSystem, internalState @*/
    00953         /*@modifies fsm, fileSystem, internalState @*/
    00954 {
    00955     const char * path = fsm->path;
    00956     const char * nsuffix = fsm->nsuffix;
    00957     int iterIndex = fsm->ix;
    00958     int ec = 0;
    00959     int rc;
    00960     int i;
    00961
    00962     fsm->path = NULL;
    00963     fsm->nsuffix = NULL;
    00964     fsm->ix = -1;
    00965
    00966 /*@-boundswrite@*/
    00967     for (i = fsm->li->nlink - 1; i >= 0; i--) {
    00968
    00969         if (fsm->li->filex[i] < 0) continue;
    00970
    00971         fsm->ix = fsm->li->filex[i];
    00972         rc = fsmStage(fsm, FSM_MAP);
    00973
    00974         /* Write data after last link. */
    00975         rc = writeFile(fsm, (i == 0));
    00976         if (fsm->failedFile && rc != 0 && *fsm->failedFile == NULL) {
    00977             ec = rc;
    00978             *fsm->failedFile = xstrdup(fsm->path);
    00979         }
    00980
    00981         fsm->path = _free(fsm->path);
    00982         fsm->li->filex[i] = -1;
    00983     }
    00984 /*@=boundswrite@*/
    00985
    00986     fsm->ix = iterIndex;
    00987     fsm->nsuffix = nsuffix;
    00988     fsm->path = path;
    00989     return ec;
    00990 }
    00991
    00997 /*@-boundsread@*/
    00998 static int fsmMakeLinks(/*@special@*/ FSM_t fsm)
    00999         /*@uses fsm->path, fsm->opath, fsm->nsuffix, fsm->ix, fsm->li @*/
    01000         /*@globals fileSystem, internalState @*/
    01001         /*@modifies fsm, fileSystem, internalState @*/
    01002 {
    01003     const char * path = fsm->path;
    01004     const char * opath = fsm->opath;
    01005     const char * nsuffix = fsm->nsuffix;
    01006     int iterIndex = fsm->ix;
    01007     int ec = 0;
    01008     int rc;
    01009     int i;
    01010
    01011     fsm->path = NULL;
    01012     fsm->opath = NULL;
    01013     fsm->nsuffix = NULL;
    01014     fsm->ix = -1;
    01015
    01016     fsm->ix = fsm->li->filex[fsm->li->createdPath];
    01017     rc = fsmStage(fsm, FSM_MAP);
    01018     fsm->opath = fsm->path;
    01019     fsm->path = NULL;
    01020     /*@-branchstate@*/
    01021     for (i = 0; i < fsm->li->nlink; i++) {
    01022         if (fsm->li->filex[i] < 0) continue;
    01023         if (fsm->li->createdPath == i) continue;
    01024
    01025         fsm->ix = fsm->li->filex[i];
    01026         fsm->path = _free(fsm->path);
    01027         rc = fsmStage(fsm, FSM_MAP);
    01028         if (XFA_SKIPPING(fsm->action)) continue;
    01029
    01030         rc = fsmStage(fsm, FSM_VERIFY);
    01031         if (!rc) continue;
    01032         if (rc != CPIOERR_LSTAT_FAILED) break;
    01033
    01034         /* XXX link(fsm->opath, fsm->path) */
    01035         rc = fsmStage(fsm, FSM_LINK);
    01036         if (fsm->failedFile && rc != 0 && *fsm->failedFile == NULL) {
    01037             ec = rc;
    01038 /*@-boundswrite@*/
    01039             *fsm->failedFile = xstrdup(fsm->path);
    01040 /*@=boundswrite@*/
    01041         }
    01042
    01043         fsm->li->linksLeft--;
    01044     }
    01045     /*@=branchstate@*/
    01046     fsm->path = _free(fsm->path);
    01047     fsm->opath = _free(fsm->opath);
    01048
    01049     fsm->ix = iterIndex;
    01050     fsm->nsuffix = nsuffix;
    01051     fsm->path = path;
    01052     fsm->opath = opath;
    01053     return ec;
    01054 }
    01055 /*@=boundsread@*/
    01056
    01062 static int fsmCommitLinks(/*@special@*/ FSM_t fsm)
    01063         /*@uses fsm->path, fsm->nsuffix, fsm->ix, fsm->sb,
    01064                 fsm->li, fsm->links @*/
    01065         /*@globals fileSystem, internalState @*/
    01066         /*@modifies fsm, fileSystem, internalState @*/
    01067 {
    01068     const char * path = fsm->path;
    01069     const char * nsuffix = fsm->nsuffix;
    01070     int iterIndex = fsm->ix;
    01071     struct stat * st = &fsm->sb;
    01072     int rc = 0;
    01073     int i;
    01074
    01075     fsm->path = NULL;
    01076     fsm->nsuffix = NULL;
    01077     fsm->ix = -1;
    01078
    01079     /*@-branchstate@*/
    01080     for (fsm->li = fsm->links; fsm->li; fsm->li = fsm->li->next) {
    01081         if (fsm->li->sb.st_ino == st->st_ino && fsm->li->sb.st_dev == st->st_dev)
    01082             break;
    01083     }
    01084     /*@=branchstate@*/
    01085
    01086 /*@-boundswrite@*/
    01087     for (i = 0; i < fsm->li->nlink; i++) {
    01088         if (fsm->li->filex[i] < 0) continue;
    01089         fsm->ix = fsm->li->filex[i];
    01090         rc = fsmStage(fsm, FSM_MAP);
    01091         if (!XFA_SKIPPING(fsm->action))
    01092             rc = fsmStage(fsm, FSM_COMMIT);
    01093         fsm->path = _free(fsm->path);
    01094         fsm->li->filex[i] = -1;
    01095     }
    01096 /*@=boundswrite@*/
    01097
    01098     fsm->ix = iterIndex;
    01099     fsm->nsuffix = nsuffix;
    01100     fsm->path = path;
    01101     return rc;
    01102 }
    01103
    01109 static int fsmRmdirs(/*@special@*/ FSM_t fsm)
    01110         /*@uses fsm->path, fsm->dnlx, fsm->ldn, fsm->rdbuf, fsm->iter @*/
    01111         /*@globals fileSystem, internalState @*/
    01112         /*@modifies fsm, fileSystem, internalState @*/
    01113 {
    01114     const char * path = fsm->path;
    01115     void * dnli = dnlInitIterator(fsm, 1);
    01116     char * dn = fsm->rdbuf;
    01117     int dc = dnlCount(dnli);
    01118     int rc = 0;
    01119
    01120     fsm->path = NULL;
    01121 /*@-boundswrite@*/
    01122     dn[0] = '\0';
    01123     /*@-observertrans -dependenttrans@*/
    01124     if (fsm->ldn != NULL && fsm->dnlx != NULL)
    01125     while ((fsm->path = dnlNextIterator(dnli)) != NULL) {
    01126         int dnlen = strlen(fsm->path);
    01127         char * te;
    01128
    01129         dc = dnlIndex(dnli);
    01130         if (fsm->dnlx[dc] < 1 || fsm->dnlx[dc] >= dnlen)
    01131             continue;
    01132
    01133         /* Copy to avoid const on fsm->path. */
    01134         te = stpcpy(dn, fsm->path) - 1;
    01135         fsm->path = dn;
    01136
    01137         /* Remove generated directories. */
    01138         /*@-usereleased@*/ /* LCL: te used after release? */
    01139         do {
    01140             if (*te == '/') {
    01141                 *te = '\0';
    01142                 rc = fsmStage(fsm, FSM_RMDIR);
    01143                 *te = '/';
    01144             }
    01145             if (rc)
    01146                 /*@innerbreak@*/ break;
    01147             te--;
    01148         } while ((te - fsm->path) > fsm->dnlx[dc]);
    01149         /*@=usereleased@*/
    01150     }
    01151 /*@=boundswrite@*/
    01152     dnli = dnlFreeIterator(dnli);
    01153     /*@=observertrans =dependenttrans@*/
    01154
    01155     fsm->path = path;
    01156     return rc;
    01157 }
    01158
    01164 static int fsmMkdirs(/*@special@*/ FSM_t fsm)
    01165         /*@uses fsm->path, fsm->sb, fsm->osb, fsm->rdbuf, fsm->iter,
    01166                 fsm->ldn, fsm->ldnlen, fsm->ldnalloc @*/
    01167         /*@defines fsm->dnlx, fsm->ldn @*/
    01168         /*@globals fileSystem, internalState @*/
    01169         /*@modifies fsm, fileSystem, internalState @*/
    01170 {
    01171     struct stat * st = &fsm->sb;
    01172     struct stat * ost = &fsm->osb;
    01173     const char * path = fsm->path;
    01174     mode_t st_mode = st->st_mode;
    01175     void * dnli = dnlInitIterator(fsm, 0);
    01176     char * dn = fsm->rdbuf;
    01177     int dc = dnlCount(dnli);
    01178     int rc = 0;
    01179     int i;
    01180
    01181     fsm->path = NULL;
    01182
    01183 /*@-boundswrite@*/
    01184     dn[0] = '\0';
    01185     fsm->dnlx = (dc ? xcalloc(dc, sizeof(*fsm->dnlx)) : NULL);
    01186     /*@-observertrans -dependenttrans@*/
    01187     if (fsm->dnlx != NULL)
    01188     while ((fsm->path = dnlNextIterator(dnli)) != NULL) {
    01189         int dnlen = strlen(fsm->path);
    01190         char * te;
    01191
    01192         dc = dnlIndex(dnli);
    01193         if (dc < 0) continue;
    01194         fsm->dnlx[dc] = dnlen;
    01195         if (dnlen <= 1)
    01196             continue;
    01197
    01198         /*@-compdef -nullpass@*/        /* FIX: fsm->ldn not defined ??? */
    01199         if (dnlen <= fsm->ldnlen && !strcmp(fsm->path, fsm->ldn))
    01200             continue;
    01201         /*@=compdef =nullpass@*/
    01202
    01203         /* Copy to avoid const on fsm->path. */
    01204         (void) stpcpy(dn, fsm->path);
    01205         fsm->path = dn;
    01206
    01207         /* Assume '/' directory exists, "mkdir -p" for others if non-existent */
    01208         for (i = 1, te = dn + 1; *te != '\0'; te++, i++) {
    01209             if (*te != '/')
    01210                 /*@innercontinue@*/ continue;
    01211
    01212             *te = '\0';
    01213
    01214             /* Already validated? */
    01215             /*@-usedef -compdef -nullpass -nullderef@*/
    01216             if (i < fsm->ldnlen &&
    01217                 (fsm->ldn[i] == '/' || fsm->ldn[i] == '\0') &&
    01218                 !strncmp(fsm->path, fsm->ldn, i))
    01219             {
    01220                 *te = '/';
    01221                 /* Move pre-existing path marker forward. */
    01222                 fsm->dnlx[dc] = (te - dn);
    01223                 /*@innercontinue@*/ continue;
    01224             }
    01225             /*@=usedef =compdef =nullpass =nullderef@*/
    01226
    01227             /* Validate next component of path. */
    01228             rc = fsmStage(fsm, FSM_LSTAT);
    01229             *te = '/';
    01230
    01231             /* Directory already exists? */
    01232             if (rc == 0 && S_ISDIR(ost->st_mode)) {
    01233                 /* Move pre-existing path marker forward. */
    01234                 fsm->dnlx[dc] = (te - dn);
    01235             } else if (rc == CPIOERR_LSTAT_FAILED) {
    01236                 rpmfi fi = fsmGetFi(fsm);
    01237                 *te = '\0';
    01238                 st->st_mode = S_IFDIR | (fi->dperms & 07777);
    01239                 rc = fsmStage(fsm, FSM_MKDIR);
    01240                 if (!rc)
    01241                     rpmMessage(RPMMESS_DEBUG,
    01242                         _("%s directory created with perms %04o.\n"),
    01243                         fsm->path, (unsigned)(st->st_mode & 07777));
    01244                 *te = '/';
    01245             }
    01246             if (rc)
    01247                 /*@innerbreak@*/ break;
    01248         }
    01249         if (rc) break;
    01250
    01251         /* Save last validated path. */
    01252 /*@-compdef@*/ /* FIX: ldn/path annotations ? */
    01253         if (fsm->ldnalloc < (dnlen + 1)) {
    01254             fsm->ldnalloc = dnlen + 100;
    01255             fsm->ldn = xrealloc(fsm->ldn, fsm->ldnalloc);
    01256         }
    01257         if (fsm->ldn != NULL) { /* XXX can't happen */
    01258             strcpy(fsm->ldn, fsm->path);
    01259             fsm->ldnlen = dnlen;
    01260         }
    01261 /*@=compdef@*/
    01262     }
    01263 /*@=boundswrite@*/
    01264     dnli = dnlFreeIterator(dnli);
    01265     /*@=observertrans =dependenttrans@*/
    01266
    01267     fsm->path = path;
    01268     st->st_mode = st_mode;              /* XXX restore st->st_mode */
    01269 /*@-compdef@*/ /* FIX: ldn/path annotations ? */
    01270     return rc;
    01271 /*@=compdef@*/
    01272 }
    01273
    01274 #ifdef  NOTYET
    01275
    01280 static int fsmStat(FSM_t fsm)
    01281 {
    01282     int saveerrno = errno;
    01283     int rc = 0;
    01284
    01285     if (fsm->path != NULL) {
    01286         int saveernno = errno;
    01287         rc = fsmStage(fsm, (!(fsm->mapFlags & CPIO_FOLLOW_SYMLINKS)
    01288                         ? FSM_LSTAT : FSM_STAT));
    01289         if (rc == CPIOERR_LSTAT_FAILED && errno == ENOENT) {
    01290             errno = saveerrno;
    01291             rc = 0;
    01292             fsm->exists = 0;
    01293         } else if (rc == 0) {
    01294             fsm->exists = 1;
    01295         }
    01296     } else {
    01297         /* Skip %ghost files on build. */
    01298         fsm->exists = 0;
    01299     }
    01300     return rc;
    01301 }
    01302 #endif
    01303
    01304 #define IS_DEV_LOG(_x)  \
    01305         ((_x) != NULL && strlen(_x) >= (sizeof("/dev/log")-1) && \
    01306         !strncmp((_x), "/dev/log", sizeof("/dev/log")-1) && \
    01307         ((_x)[sizeof("/dev/log")-1] == '\0' || \
    01308          (_x)[sizeof("/dev/log")-1] == ';'))
    01309
    01310 /*@-boundsread@*/
    01311 /*@-compmempass@*/
    01312 int fsmStage(FSM_t fsm, fileStage stage)
    01313 {
    01314 #ifdef  UNUSED
    01315     fileStage prevStage = fsm->stage;
    01316     const char * const prev = fileStageString(prevStage);
    01317 #endif
    01318     static int modulo = 4;
    01319     const char * const cur = fileStageString(stage);
    01320     struct stat * st = &fsm->sb;
    01321     struct stat * ost = &fsm->osb;
    01322     int saveerrno = errno;
    01323     int rc = fsm->rc;
    01324     size_t left;
    01325     int i;
    01326
    01327 #define _fafilter(_a)   \
    01328     (!((_a) == FA_CREATE || (_a) == FA_ERASE || (_a) == FA_COPYIN || (_a) == FA_COPYOUT) \
    01329         ? fileActionString(_a) : "")
    01330
    01331     if (stage & FSM_DEAD) {
    01332         /* do nothing */
    01333     } else if (stage & FSM_INTERNAL) {
    01334         if (_fsm_debug && !(stage & FSM_SYSCALL))
    01335             rpmMessage(RPMMESS_DEBUG, " %8s %06o%3d (%4d,%4d)%10d %s %s\n",
    01336                 cur,
    01337                 (unsigned)st->st_mode, (int)st->st_nlink,
    01338                 (int)st->st_uid, (int)st->st_gid, (int)st->st_size,
    01339                 (fsm->path ? fsm->path : ""),
    01340                 _fafilter(fsm->action));
    01341     } else {
    01342         fsm->stage = stage;
    01343         if (_fsm_debug || !(stage & FSM_VERBOSE))
    01344             rpmMessage(RPMMESS_DEBUG, "%-8s  %06o%3d (%4d,%4d)%10d %s %s\n",
    01345                 cur,
    01346                 (unsigned)st->st_mode, (int)st->st_nlink,
    01347                 (int)st->st_uid, (int)st->st_gid, (int)st->st_size,
    01348                 (fsm->path ? fsm->path + fsm->astriplen : ""),
    01349                 _fafilter(fsm->action));
    01350     }
    01351 #undef  _fafilter
    01352
    01353     /*@-branchstate@*/
    01354     switch (stage) {
    01355     case FSM_UNKNOWN:
    01356         break;
    01357     case FSM_PKGINSTALL:
    01358         while (1) {
    01359             /* Clean fsm, free'ing memory. Read next archive header. */
    01360             rc = fsmStage(fsm, FSM_INIT);
    01361
    01362             /* Exit on end-of-payload. */
    01363             if (rc == CPIOERR_HDR_TRAILER) {
    01364                 rc = 0;
    01365                 /*@loopbreak@*/ break;
    01366             }
    01367
    01368             /* Exit on error. */
    01369             if (rc) {
    01370                 fsm->postpone = 1;
    01371                 (void) fsmStage(fsm, FSM_UNDO);
    01372                 /*@loopbreak@*/ break;
    01373             }
    01374
    01375             /* Extract file from archive. */
    01376             rc = fsmStage(fsm, FSM_PROCESS);
    01377             if (rc) {
    01378                 (void) fsmStage(fsm, FSM_UNDO);
    01379                 /*@loopbreak@*/ break;
    01380             }
    01381
    01382             /* Notify on success. */
    01383             (void) fsmStage(fsm, FSM_NOTIFY);
    01384
    01385             rc = fsmStage(fsm, FSM_FINI);
    01386             if (rc) {
    01387                 /*@loopbreak@*/ break;
    01388             }
    01389         }
    01390         break;
    01391     case FSM_PKGERASE:
    01392     case FSM_PKGCOMMIT:
    01393         while (1) {
    01394             /* Clean fsm, free'ing memory. */
    01395             rc = fsmStage(fsm, FSM_INIT);
    01396
    01397             /* Exit on end-of-payload. */
    01398             if (rc == CPIOERR_HDR_TRAILER) {
    01399                 rc = 0;
    01400                 /*@loopbreak@*/ break;
    01401             }
    01402
    01403             /* Rename/erase next item. */
    01404             if (fsmStage(fsm, FSM_FINI))
    01405                 /*@loopbreak@*/ break;
    01406         }
    01407         break;
    01408     case FSM_PKGBUILD:
    01409         while (1) {
    01410
    01411             rc = fsmStage(fsm, FSM_INIT);
    01412
    01413             /* Exit on end-of-payload. */
    01414             if (rc == CPIOERR_HDR_TRAILER) {
    01415                 rc = 0;
    01416                 /*@loopbreak@*/ break;
    01417             }
    01418
    01419             /* Exit on error. */
    01420             if (rc) {
    01421                 fsm->postpone = 1;
    01422                 (void) fsmStage(fsm, FSM_UNDO);
    01423                 /*@loopbreak@*/ break;
    01424             }
    01425
    01426             /* Copy file into archive. */
    01427             rc = fsmStage(fsm, FSM_PROCESS);
    01428             if (rc) {
    01429                 (void) fsmStage(fsm, FSM_UNDO);
    01430                 /*@loopbreak@*/ break;
    01431             }
    01432
    01433             /* Notify on success. */
    01434             (void) fsmStage(fsm, FSM_NOTIFY);
    01435
    01436             if (fsmStage(fsm, FSM_FINI))
    01437                 /*@loopbreak@*/ break;
    01438         }
    01439
    01440         /* Flush partial sets of hard linked files. */
    01441         if (!(fsm->mapFlags & CPIO_ALL_HARDLINKS)) {
    01442             int nlink, j;
    01443             while ((fsm->li = fsm->links) != NULL) {
    01444                 fsm->links = fsm->li->next;
    01445                 fsm->li->next = NULL;
    01446
    01447                 /* Re-calculate link count for archive header. */
    01448                 for (j = -1, nlink = 0, i = 0; i < fsm->li->nlink; i++) {
    01449                     if (fsm->li->filex[i] < 0)
    01450                         /*@innercontinue@*/ continue;
    01451                     nlink++;
    01452                     if (j == -1) j = i;
    01453                 }
    01454                 /* XXX force the contents out as well. */
    01455 /*@-boundswrite@*/
    01456                 if (j != 0) {
    01457                     fsm->li->filex[0] = fsm->li->filex[j];
    01458                     fsm->li->filex[j] = -1;
    01459                 }
    01460 /*@=boundswrite@*/
    01461                 fsm->li->sb.st_nlink = nlink;
    01462
    01463                 fsm->sb = fsm->li->sb;  /* structure assignment */
    01464                 fsm->osb = fsm->sb;     /* structure assignment */
    01465
    01466                 if (!rc) rc = writeLinkedFile(fsm);
    01467
    01468                 fsm->li = freeHardLink(fsm->li);
    01469             }
    01470         }
    01471
    01472         if (!rc)
    01473             rc = fsmStage(fsm, FSM_TRAILER);
    01474
    01475         break;
    01476     case FSM_CREATE:
    01477         {   rpmts ts = fsmGetTs(fsm);
    01478 #define _tsmask (RPMTRANS_FLAG_PKGCOMMIT | RPMTRANS_FLAG_COMMIT)
    01479             fsm->commit = ((ts && (rpmtsFlags(ts) & _tsmask) &&
    01480                         fsm->goal != FSM_PKGCOMMIT) ? 0 : 1);
    01481 #undef _tsmask
    01482         }
    01483         fsm->path = _free(fsm->path);
    01484         fsm->opath = _free(fsm->opath);
    01485         fsm->dnlx = _free(fsm->dnlx);
    01486
    01487         fsm->ldn = _free(fsm->ldn);
    01488         fsm->ldnalloc = fsm->ldnlen = 0;
    01489
    01490         fsm->rdsize = fsm->wrsize = 0;
    01491         fsm->rdbuf = fsm->rdb = _free(fsm->rdb);
    01492         fsm->wrbuf = fsm->wrb = _free(fsm->wrb);
    01493         if (fsm->goal == FSM_PKGINSTALL || fsm->goal == FSM_PKGBUILD) {
    01494             fsm->rdsize = 8 * BUFSIZ;
    01495             fsm->rdbuf = fsm->rdb = xmalloc(fsm->rdsize);
    01496             fsm->wrsize = 8 * BUFSIZ;
    01497             fsm->wrbuf = fsm->wrb = xmalloc(fsm->wrsize);
    01498         }
    01499
    01500         fsm->mkdirsdone = 0;
    01501         fsm->ix = -1;
    01502         fsm->links = NULL;
    01503         fsm->li = NULL;
    01504         /*@-mods@*/
    01505         errno = 0;      /* XXX get rid of EBADF */
    01506         /*@=mods@*/
    01507
    01508         /* Detect and create directories not explicitly in package. */
    01509         if (fsm->goal == FSM_PKGINSTALL) {
    01510             rc = fsmStage(fsm, FSM_MKDIRS);
    01511             if (!rc) fsm->mkdirsdone = 1;
    01512         }
    01513
    01514         break;
    01515     case FSM_INIT:
    01516         fsm->path = _free(fsm->path);
    01517         fsm->postpone = 0;
    01518         fsm->diskchecked = fsm->exists = 0;
    01519         fsm->subdir = NULL;
    01520         fsm->suffix = (fsm->sufbuf[0] != '\0' ? fsm->sufbuf : NULL);
    01521         fsm->action = FA_UNKNOWN;
    01522         fsm->osuffix = NULL;
    01523         fsm->nsuffix = NULL;
    01524
    01525         if (fsm->goal == FSM_PKGINSTALL) {
    01526             /* Read next header from payload, checking for end-of-payload. */
    01527             rc = fsmStage(fsm, FSM_NEXT);
    01528         }
    01529         if (rc) break;
    01530
    01531         /* Identify mapping index. */
    01532         fsm->ix = ((fsm->goal == FSM_PKGINSTALL)
    01533                 ? mapFind(fsm->iter, fsm->path) : mapNextIterator(fsm->iter));
    01534
    01535         /* Detect end-of-loop and/or mapping error. */
    01536         if (fsm->ix < 0) {
    01537             if (fsm->goal == FSM_PKGINSTALL) {
    01538 #if 0
    01539                 rpmMessage(RPMMESS_WARNING,
    01540                     _("archive file %s was not found in header file list\n"),
    01541                         fsm->path);
    01542 #endif
    01543 /*@-boundswrite@*/
    01544                 if (fsm->failedFile && *fsm->failedFile == NULL)
    01545                     *fsm->failedFile = xstrdup(fsm->path);
    01546 /*@=boundswrite@*/
    01547                 rc = CPIOERR_UNMAPPED_FILE;
    01548             } else {
    01549                 rc = CPIOERR_HDR_TRAILER;
    01550             }
    01551             break;
    01552         }
    01553
    01554         /* On non-install, mode must be known so that dirs don't get suffix. */
    01555         if (fsm->goal != FSM_PKGINSTALL) {
    01556             rpmfi fi = fsmGetFi(fsm);
    01557             st->st_mode = fi->fmodes[fsm->ix];
    01558         }
    01559
    01560         /* Generate file path. */
    01561         rc = fsmStage(fsm, FSM_MAP);
    01562         if (rc) break;
    01563
    01564         /* Perform lstat/stat for disk file. */
    01565 #ifdef  NOTYET
    01566         rc = fsmStat(fsm);
    01567 #else
    01568         if (fsm->path != NULL &&
    01569             !(fsm->goal == FSM_PKGINSTALL && S_ISREG(st->st_mode)))
    01570         {
    01571             rc = fsmStage(fsm, (!(fsm->mapFlags & CPIO_FOLLOW_SYMLINKS)
    01572                         ? FSM_LSTAT : FSM_STAT));
    01573             if (rc == CPIOERR_LSTAT_FAILED && errno == ENOENT) {
    01574                 /*@-mods@*/
    01575                 errno = saveerrno;
    01576                 /*@=mods@*/
    01577                 rc = 0;
    01578                 fsm->exists = 0;
    01579             } else if (rc == 0) {
    01580                 fsm->exists = 1;
    01581             }
    01582         } else {
    01583             /* Skip %ghost files on build. */
    01584             fsm->exists = 0;
    01585         }
    01586 #endif
    01587         fsm->diskchecked = 1;
    01588         if (rc) break;
    01589
    01590         /* On non-install, the disk file stat is what's remapped. */
    01591 /*@-boundswrite@*/
    01592         if (fsm->goal != FSM_PKGINSTALL)
    01593             *st = *ost;                 /* structure assignment */
    01594 /*@=boundswrite@*/
    01595
    01596         /* Remap file perms, owner, and group. */
    01597         rc = fsmMapAttrs(fsm);
    01598         if (rc) break;
    01599
    01600         fsm->postpone = XFA_SKIPPING(fsm->action);
    01601         if (fsm->goal == FSM_PKGINSTALL || fsm->goal == FSM_PKGBUILD) {
    01602             /*@-evalorder@*/ /* FIX: saveHardLink can modify fsm */
    01603             if (!S_ISDIR(st->st_mode) && st->st_nlink > 1)
    01604                 fsm->postpone = saveHardLink(fsm);
    01605             /*@=evalorder@*/
    01606         }
    01607         break;
    01608     case FSM_PRE:
    01609         break;
    01610     case FSM_MAP:
    01611         rc = fsmMapPath(fsm);
    01612         break;
    01613     case FSM_MKDIRS:
    01614         rc = fsmMkdirs(fsm);
    01615         break;
    01616     case FSM_RMDIRS:
    01617         if (fsm->dnlx)
    01618             rc = fsmRmdirs(fsm);
    01619         break;
    01620     case FSM_PROCESS:
    01621         if (fsm->postpone) {
    01622             if (fsm->goal == FSM_PKGINSTALL)
    01623                 rc = fsmStage(fsm, FSM_EAT);
    01624             break;
    01625         }
    01626
    01627         if (fsm->goal == FSM_PKGBUILD) {
    01628             if (fsm->fflags & RPMFILE_GHOST) /* XXX Don't if %ghost file. */
    01629                 break;
    01630             if (!S_ISDIR(st->st_mode) && st->st_nlink > 1) {
    01631                 struct hardLink_s * li, * prev;
    01632
    01633 if (!(fsm->mapFlags & CPIO_ALL_HARDLINKS)) break;
    01634                 rc = writeLinkedFile(fsm);
    01635                 if (rc) break;  /* W2DO? */
    01636
    01637                 for (li = fsm->links, prev = NULL; li; prev = li, li = li->next)
    01638                      if (li == fsm->li)
    01639                         /*@loopbreak@*/ break;
    01640
    01641                 if (prev == NULL)
    01642                     fsm->links = fsm->li->next;
    01643                 else
    01644                     prev->next = fsm->li->next;
    01645                 fsm->li->next = NULL;
    01646                 fsm->li = freeHardLink(fsm->li);
    01647             } else {
    01648                 rc = writeFile(fsm, 1);
    01649             }
    01650             break;
    01651         }
    01652
    01653         if (fsm->goal != FSM_PKGINSTALL)
    01654             break;
    01655
    01656         if (S_ISREG(st->st_mode)) {
    01657             const char * path = fsm->path;
    01658             if (fsm->osuffix)
    01659                 fsm->path = fsmFsPath(fsm, st, NULL, NULL);
    01660             rc = fsmStage(fsm, FSM_VERIFY);
    01661
    01662             if (rc == 0 && fsm->osuffix) {
    01663                 const char * opath = fsm->opath;
    01664                 fsm->opath = fsm->path;
    01665                 fsm->path = fsmFsPath(fsm, st, NULL, fsm->osuffix);
    01666                 rc = fsmStage(fsm, FSM_RENAME);
    01667                 if (!rc)
    01668                     rpmMessage(RPMMESS_WARNING,
    01669                         _("%s saved as %s\n"), fsm->opath, fsm->path);
    01670                 fsm->path = _free(fsm->path);
    01671                 fsm->opath = opath;
    01672             }
    01673
    01674             /*@-dependenttrans@*/
    01675             fsm->path = path;
    01676             /*@=dependenttrans@*/
    01677             if (rc != CPIOERR_LSTAT_FAILED) return rc;
    01678             rc = expandRegular(fsm);
    01679         } else if (S_ISDIR(st->st_mode)) {
    01680             mode_t st_mode = st->st_mode;
    01681             rc = fsmStage(fsm, FSM_VERIFY);
    01682             if (rc == CPIOERR_LSTAT_FAILED) {
    01683                 st->st_mode &= ~07777;          /* XXX abuse st->st_mode */
    01684                 st->st_mode |=  00700;
    01685                 rc = fsmStage(fsm, FSM_MKDIR);
    01686                 st->st_mode = st_mode;          /* XXX restore st->st_mode */
    01687             }
    01688         } else if (S_ISLNK(st->st_mode)) {
    01689             const char * opath = fsm->opath;
    01690
    01691             if ((st->st_size + 1) > fsm->rdsize) {
    01692                 rc = CPIOERR_HDR_SIZE;
    01693                 break;
    01694             }
    01695
    01696             fsm->wrlen = st->st_size;
    01697             rc = fsmStage(fsm, FSM_DREAD);
    01698             if (!rc && fsm->rdnb != fsm->wrlen)
    01699                 rc = CPIOERR_READ_FAILED;
    01700             if (rc) break;
    01701
    01702 /*@-boundswrite@*/
    01703             fsm->wrbuf[st->st_size] = '\0';
    01704 /*@=boundswrite@*/
    01705             /* XXX symlink(fsm->opath, fsm->path) */
    01706             /*@-dependenttrans@*/
    01707             fsm->opath = fsm->wrbuf;
    01708             /*@=dependenttrans@*/
    01709             rc = fsmStage(fsm, FSM_VERIFY);
    01710             if (rc == CPIOERR_LSTAT_FAILED)
    01711                 rc = fsmStage(fsm, FSM_SYMLINK);
    01712             fsm->opath = opath;         /* XXX restore fsm->path */
    01713         } else if (S_ISFIFO(st->st_mode)) {
    01714             mode_t st_mode = st->st_mode;
    01715             /* This mimics cpio S_ISSOCK() behavior but probably isnt' right */
    01716             rc = fsmStage(fsm, FSM_VERIFY);
    01717             if (rc == CPIOERR_LSTAT_FAILED) {
    01718                 st->st_mode = 0000;             /* XXX abuse st->st_mode */
    01719                 rc = fsmStage(fsm, FSM_MKFIFO);
    01720                 st->st_mode = st_mode;  /* XXX restore st->st_mode */
    01721             }
    01722         } else if (S_ISCHR(st->st_mode) ||
    01723                    S_ISBLK(st->st_mode) ||
    01724     /*@-unrecog@*/ S_ISSOCK(st->st_mode) /*@=unrecog@*/)
    01725         {
    01726             rc = fsmStage(fsm, FSM_VERIFY);
    01727             if (rc == CPIOERR_LSTAT_FAILED)
    01728                 rc = fsmStage(fsm, FSM_MKNOD);
    01729         } else {
    01730             /* XXX Special case /dev/log, which shouldn't be packaged anyways */
    01731             if (!IS_DEV_LOG(fsm->path))
    01732                 rc = CPIOERR_UNKNOWN_FILETYPE;
    01733         }
    01734         if (!S_ISDIR(st->st_mode) && st->st_nlink > 1) {
    01735             fsm->li->createdPath = fsm->li->linkIndex;
    01736             rc = fsmMakeLinks(fsm);
    01737         }
    01738         break;
    01739     case FSM_POST:
    01740         break;
    01741     case FSM_MKLINKS:
    01742         rc = fsmMakeLinks(fsm);
    01743         break;
    01744     case FSM_NOTIFY:            /* XXX move from fsm to psm -> tsm */
    01745         if (fsm->goal == FSM_PKGINSTALL || fsm->goal == FSM_PKGBUILD) {
    01746             rpmts ts = fsmGetTs(fsm);
    01747             rpmfi fi = fsmGetFi(fsm);
    01748             void * ptr;
    01749             unsigned int archivePos = fdGetCpioPos(fsm->cfd);
    01750             if (archivePos > fi->archivePos) {
    01751                 fi->archivePos = archivePos;
    01752                 ptr = rpmtsNotify(ts, fi->te, RPMCALLBACK_INST_PROGRESS,
    01753                         fi->archivePos, fi->archiveSize);
    01754             }
    01755         }
    01756         break;
    01757     case FSM_UNDO:
    01758         if (fsm->postpone)
    01759             break;
    01760         if (fsm->goal == FSM_PKGINSTALL) {
    01761             (void) fsmStage(fsm,
    01762                 (S_ISDIR(st->st_mode) ? FSM_RMDIR : FSM_UNLINK));
    01763
    01764 #ifdef  NOTYET  /* XXX remove only dirs just created, not all. */
    01765             if (fsm->dnlx)
    01766                 (void) fsmStage(fsm, FSM_RMDIRS);
    01767 #endif
    01768             /*@-mods@*/
    01769             errno = saveerrno;
    01770             /*@=mods@*/
    01771         }
    01772 /*@-boundswrite@*/
    01773         if (fsm->failedFile && *fsm->failedFile == NULL)
    01774             *fsm->failedFile = xstrdup(fsm->path);
    01775 /*@=boundswrite@*/
    01776         break;
    01777     case FSM_FINI:
    01778         if (!fsm->postpone && fsm->commit) {
    01779             if (fsm->goal == FSM_PKGINSTALL)
    01780                 rc = ((!S_ISDIR(st->st_mode) && st->st_nlink > 1)
    01781                         ? fsmCommitLinks(fsm) : fsmStage(fsm, FSM_COMMIT));
    01782             if (fsm->goal == FSM_PKGCOMMIT)
    01783                 rc = fsmStage(fsm, FSM_COMMIT);
    01784             if (fsm->goal == FSM_PKGERASE)
    01785                 rc = fsmStage(fsm, FSM_COMMIT);
    01786         }
    01787         fsm->path = _free(fsm->path);
    01788         fsm->opath = _free(fsm->opath);
    01789 /*@-boundswrite@*/
    01790         memset(st, 0, sizeof(*st));
    01791         memset(ost, 0, sizeof(*ost));
    01792 /*@=boundswrite@*/
    01793         break;
    01794     case FSM_COMMIT:
    01795         /* Rename pre-existing modified or unmanaged file. */
    01796         if (fsm->osuffix && fsm->diskchecked &&
    01797           (fsm->exists || (fsm->goal == FSM_PKGINSTALL && S_ISREG(st->st_mode))))
    01798         {
    01799             const char * opath = fsm->opath;
    01800             const char * path = fsm->path;
    01801             fsm->opath = fsmFsPath(fsm, st, NULL, NULL);
    01802             fsm->path = fsmFsPath(fsm, st, NULL, fsm->osuffix);
    01803             rc = fsmStage(fsm, FSM_RENAME);
    01804             if (!rc) {
    01805                 rpmMessage(RPMMESS_WARNING, _("%s saved as %s\n"),
    01806                                 fsm->opath, fsm->path);
    01807             }
    01808             fsm->path = _free(fsm->path);
    01809             fsm->path = path;
    01810             fsm->opath = _free(fsm->opath);
    01811             fsm->opath = opath;
    01812         }
    01813
    01814         /* Remove erased files. */
    01815         if (fsm->goal == FSM_PKGERASE) {
    01816             if (fsm->action == FA_ERASE) {
    01817                 rpmfi fi = fsmGetFi(fsm);
    01818                 if (S_ISDIR(st->st_mode)) {
    01819                     rc = fsmStage(fsm, FSM_RMDIR);
    01820                     if (!rc) break;
    01821                     switch (errno) {
    01822                     case ENOENT: /* XXX rmdir("/") linux 2.2.x kernel hack */
    01823                     case ENOTEMPTY:
    01824         /* XXX make sure that build side permits %missingok on directories. */
    01825                         if (fsm->fflags & RPMFILE_MISSINGOK)
    01826                             /*@innerbreak@*/ break;
    01827
    01828                         /* XXX common error message. */
    01829                         rpmError(
    01830                             (strict_erasures ? RPMERR_RMDIR : RPMDEBUG_RMDIR),
    01831                             _("%s rmdir of %s failed: Directory not empty\n"),
    01832                                 rpmfiTypeString(fi), fsm->path);
    01833                         /*@innerbreak@*/ break;
    01834                     default:
    01835                         rpmError(
    01836                             (strict_erasures ? RPMERR_RMDIR : RPMDEBUG_RMDIR),
    01837                                 _("%s rmdir of %s failed: %s\n"),
    01838                                 rpmfiTypeString(fi), fsm->path, strerror(errno));
    01839                         /*@innerbreak@*/ break;
    01840                     }
    01841                 } else {
    01842                     rc = fsmStage(fsm, FSM_UNLINK);
    01843                     if (!rc) break;
    01844                     if (!(errno == ENOENT && (fsm->fflags & RPMFILE_MISSINGOK)))
    01845                         rpmError(
    01846                             (strict_erasures ? RPMERR_UNLINK : RPMDEBUG_UNLINK),
    01847                                 _("%s unlink of %s failed: %s\n"),
    01848                                 rpmfiTypeString(fi), fsm->path, strerror(errno));
    01849                 }
    01850             }
    01851             /* XXX Failure to remove is not (yet) cause for failure. */
    01852             if (!strict_erasures) rc = 0;
    01853             break;
    01854         }
    01855
    01856         /* XXX Special case /dev/log, which shouldn't be packaged anyways */
    01857         if (!S_ISSOCK(st->st_mode) && !IS_DEV_LOG(fsm->path)) {
    01858             /* Rename temporary to final file name. */
    01859             if (!S_ISDIR(st->st_mode) &&
    01860                 (fsm->subdir || fsm->suffix || fsm->nsuffix))
    01861             {
    01862                 fsm->opath = fsm->path;
    01863                 fsm->path = fsmFsPath(fsm, st, NULL, fsm->nsuffix);
    01864                 rc = fsmStage(fsm, FSM_RENAME);
    01865                 if (!rc && fsm->nsuffix) {
    01866                     const char * opath = fsmFsPath(fsm, st, NULL, NULL);
    01867                     rpmMessage(RPMMESS_WARNING, _("%s created as %s\n"),
    01868                                 (opath ? opath : ""), fsm->path);
    01869                     opath = _free(opath);
    01870                 }
    01871                 fsm->opath = _free(fsm->opath);
    01872             }
    01873             if (S_ISLNK(st->st_mode)) {
    01874                 if (!rc && !getuid())
    01875                     rc = fsmStage(fsm, FSM_LCHOWN);
    01876             } else {
    01877                 if (!rc && !getuid())
    01878                     rc = fsmStage(fsm, FSM_CHOWN);
    01879                 if (!rc)
    01880                     rc = fsmStage(fsm, FSM_CHMOD);
    01881                 if (!rc) {
    01882                     time_t mtime = st->st_mtime;
    01883                     rpmfi fi = fsmGetFi(fsm);
    01884                     if (fi->fmtimes)
    01885                         st->st_mtime = fi->fmtimes[fsm->ix];
    01886                     rc = fsmStage(fsm, FSM_UTIME);
    01887                     st->st_mtime = mtime;
    01888                 }
    01889             }
    01890         }
    01891
    01892         /* Notify on success. */
    01893         if (!rc)                rc = fsmStage(fsm, FSM_NOTIFY);
    01894         else if (fsm->failedFile && *fsm->failedFile == NULL) {
    01895 /*@-boundswrite@*/
    01896             *fsm->failedFile = fsm->path;
    01897 /*@=boundswrite@*/
    01898             fsm->path = NULL;
    01899         }
    01900         break;
    01901     case FSM_DESTROY:
    01902         fsm->path = _free(fsm->path);
    01903
    01904         /* Check for hard links missing from payload. */
    01905         while ((fsm->li = fsm->links) != NULL) {
    01906             fsm->links = fsm->li->next;
    01907             fsm->li->next = NULL;
    01908             if (fsm->goal == FSM_PKGINSTALL &&
    01909                         fsm->commit && fsm->li->linksLeft)
    01910             {
    01911                 for (i = 0 ; i < fsm->li->linksLeft; i++) {
    01912                     if (fsm->li->filex[i] < 0)
    01913                         /*@innercontinue@*/ continue;
    01914                     rc = CPIOERR_MISSING_HARDLINK;
    01915                     if (fsm->failedFile && *fsm->failedFile == NULL) {
    01916                         fsm->ix = fsm->li->filex[i];
    01917                         if (!fsmStage(fsm, FSM_MAP)) {
    01918 /*@-boundswrite@*/
    01919                             *fsm->failedFile = fsm->path;
    01920 /*@=boundswrite@*/
    01921                             fsm->path = NULL;
    01922                         }
    01923                     }
    01924                     /*@loopbreak@*/ break;
    01925                 }
    01926             }
    01927             if (fsm->goal == FSM_PKGBUILD &&
    01928                 (fsm->mapFlags & CPIO_ALL_HARDLINKS))
    01929             {
    01930                 rc = CPIOERR_MISSING_HARDLINK;
    01931             }
    01932             fsm->li = freeHardLink(fsm->li);
    01933         }
    01934         fsm->ldn = _free(fsm->ldn);
    01935         fsm->ldnalloc = fsm->ldnlen = 0;
    01936         fsm->rdbuf = fsm->rdb = _free(fsm->rdb);
    01937         fsm->wrbuf = fsm->wrb = _free(fsm->wrb);
    01938         break;
    01939     case FSM_VERIFY:
    01940         if (fsm->diskchecked && !fsm->exists) {
    01941             rc = CPIOERR_LSTAT_FAILED;
    01942             break;
    01943         }
    01944         if (S_ISREG(st->st_mode)) {
    01945             char * path = alloca(strlen(fsm->path) + sizeof("-RPMDELETE"));
    01946 /*@-boundswrite@*/
    01947             (void) stpcpy( stpcpy(path, fsm->path), "-RPMDELETE");
    01948 /*@=boundswrite@*/
    01949             /*
    01950              * XXX HP-UX (and other os'es) don't permit unlink on busy
    01951              * XXX files.
    01952              */
    01953             fsm->opath = fsm->path;
    01954             fsm->path = path;
    01955             rc = fsmStage(fsm, FSM_RENAME);
    01956             if (!rc)
    01957                     (void) fsmStage(fsm, FSM_UNLINK);
    01958             else
    01959                     rc = CPIOERR_UNLINK_FAILED;
    01960             fsm->path = fsm->opath;
    01961             fsm->opath = NULL;
    01962             return (rc ? rc : CPIOERR_LSTAT_FAILED);    /* XXX HACK */
    01963             /*@notreached@*/ break;
    01964         } else if (S_ISDIR(st->st_mode)) {
    01965             if (S_ISDIR(ost->st_mode))          return 0;
    01966             if (S_ISLNK(ost->st_mode)) {
    01967                 rc = fsmStage(fsm, FSM_STAT);
    01968                 if (rc == CPIOERR_STAT_FAILED && errno == ENOENT) rc = 0;
    01969                 if (rc) break;
    01970                 /*@-mods@*/
    01971                 errno = saveerrno;
    01972                 /*@=mods@*/
    01973                 if (S_ISDIR(ost->st_mode))      return 0;
    01974             }
    01975         } else if (S_ISLNK(st->st_mode)) {
    01976             if (S_ISLNK(ost->st_mode)) {
    01977         /* XXX NUL terminated result in fsm->rdbuf, len in fsm->rdnb. */
    01978                 rc = fsmStage(fsm, FSM_READLINK);
    01979                 /*@-mods@*/
    01980                 errno = saveerrno;
    01981                 /*@=mods@*/
    01982                 if (rc) break;
    01983                 if (!strcmp(fsm->opath, fsm->rdbuf))    return 0;
    01984             }
    01985         } else if (S_ISFIFO(st->st_mode)) {
    01986             if (S_ISFIFO(ost->st_mode))         return 0;
    01987         } else if (S_ISCHR(st->st_mode) || S_ISBLK(st->st_mode)) {
    01988             if ((S_ISCHR(ost->st_mode) || S_ISBLK(ost->st_mode)) &&
    01989                 (ost->st_rdev == st->st_rdev))  return 0;
    01990         } else if (S_ISSOCK(st->st_mode)) {
    01991             if (S_ISSOCK(ost->st_mode))         return 0;
    01992         }
    01993             /* XXX shouldn't do this with commit/undo. */
    01994         rc = 0;
    01995         if (fsm->stage == FSM_PROCESS) rc = fsmStage(fsm, FSM_UNLINK);
    01996         if (rc == 0)    rc = CPIOERR_LSTAT_FAILED;
    01997         return (rc ? rc : CPIOERR_LSTAT_FAILED);        /* XXX HACK */
    01998         /*@notreached@*/ break;
    01999
    02000     case FSM_UNLINK:
    02001         rc = Unlink(fsm->path);
    02002         if (_fsm_debug && (stage & FSM_SYSCALL))
    02003             rpmMessage(RPMMESS_DEBUG, " %8s (%s) %s\n", cur,
    02004                 fsm->path, (rc < 0 ? strerror(errno) : ""));
    02005         if (rc < 0)     rc = CPIOERR_UNLINK_FAILED;
    02006         break;
    02007     case FSM_RENAME:
    02008         rc = Rename(fsm->opath, fsm->path);
    02009 #if defined(ETXTBSY)
    02010         if (rc && errno == ETXTBSY) {
    02011             char * path = alloca(strlen(fsm->path) + sizeof("-RPMDELETE"));
    02012             (void) stpcpy( stpcpy(path, fsm->path), "-RPMDELETE");
    02013             /*
    02014              * XXX HP-UX (and other os'es) don't permit rename to busy
    02015              * XXX files.
    02016              */
    02017             rc = Rename(fsm->path, path);
    02018             if (!rc) rc = Rename(fsm->opath, fsm->path);
    02019         }
    02020 #endif
    02021         if (_fsm_debug && (stage & FSM_SYSCALL))
    02022             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %s) %s\n", cur,
    02023                 fsm->opath, fsm->path, (rc < 0 ? strerror(errno) : ""));
    02024         if (rc < 0)     rc = CPIOERR_RENAME_FAILED;
    02025         break;
    02026     case FSM_MKDIR:
    02027         rc = Mkdir(fsm->path, (st->st_mode & 07777));
    02028         if (_fsm_debug && (stage & FSM_SYSCALL))
    02029             rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0%04o) %s\n", cur,
    02030                 fsm->path, (unsigned)(st->st_mode & 07777),
    02031                 (rc < 0 ? strerror(errno) : ""));
    02032         if (rc < 0)     rc = CPIOERR_MKDIR_FAILED;
    02033         break;
    02034     case FSM_RMDIR:
    02035         rc = Rmdir(fsm->path);
    02036         if (_fsm_debug && (stage & FSM_SYSCALL))
    02037             rpmMessage(RPMMESS_DEBUG, " %8s (%s) %s\n", cur,
    02038                 fsm->path, (rc < 0 ? strerror(errno) : ""));
    02039         if (rc < 0)     rc = CPIOERR_RMDIR_FAILED;
    02040         break;
    02041     case FSM_CHOWN:
    02042         rc = chown(fsm->path, st->st_uid, st->st_gid);
    02043         if (_fsm_debug && (stage & FSM_SYSCALL))
    02044             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %d, %d) %s\n", cur,
    02045                 fsm->path, (int)st->st_uid, (int)st->st_gid,
    02046                 (rc < 0 ? strerror(errno) : ""));
    02047         if (rc < 0)     rc = CPIOERR_CHOWN_FAILED;
    02048         break;
    02049     case FSM_LCHOWN:
    02050 #if ! CHOWN_FOLLOWS_SYMLINK
    02051         rc = lchown(fsm->path, st->st_uid, st->st_gid);
    02052         if (_fsm_debug && (stage & FSM_SYSCALL))
    02053             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %d, %d) %s\n", cur,
    02054                 fsm->path, (int)st->st_uid, (int)st->st_gid,
    02055                 (rc < 0 ? strerror(errno) : ""));
    02056         if (rc < 0)     rc = CPIOERR_CHOWN_FAILED;
    02057 #endif
    02058         break;
    02059     case FSM_CHMOD:
    02060         rc = chmod(fsm->path, (st->st_mode & 07777));
    02061         if (_fsm_debug && (stage & FSM_SYSCALL))
    02062             rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0%04o) %s\n", cur,
    02063                 fsm->path, (unsigned)(st->st_mode & 07777),
    02064                 (rc < 0 ? strerror(errno) : ""));
    02065         if (rc < 0)     rc = CPIOERR_CHMOD_FAILED;
    02066         break;
    02067     case FSM_UTIME:
    02068         {   struct utimbuf stamp;
    02069             stamp.actime = st->st_mtime;
    02070             stamp.modtime = st->st_mtime;
    02071             rc = utime(fsm->path, &stamp);
    02072             if (_fsm_debug && (stage & FSM_SYSCALL))
    02073                 rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0x%x) %s\n", cur,
    02074                         fsm->path, (unsigned)st->st_mtime,
    02075                         (rc < 0 ? strerror(errno) : ""));
    02076             if (rc < 0) rc = CPIOERR_UTIME_FAILED;
    02077         }
    02078         break;
    02079     case FSM_SYMLINK:
    02080         rc = symlink(fsm->opath, fsm->path);
    02081         if (_fsm_debug && (stage & FSM_SYSCALL))
    02082             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %s) %s\n", cur,
    02083                 fsm->opath, fsm->path, (rc < 0 ? strerror(errno) : ""));
    02084         if (rc < 0)     rc = CPIOERR_SYMLINK_FAILED;
    02085         break;
    02086     case FSM_LINK:
    02087         rc = Link(fsm->opath, fsm->path);
    02088         if (_fsm_debug && (stage & FSM_SYSCALL))
    02089             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %s) %s\n", cur,
    02090                 fsm->opath, fsm->path, (rc < 0 ? strerror(errno) : ""));
    02091         if (rc < 0)     rc = CPIOERR_LINK_FAILED;
    02092         break;
    02093     case FSM_MKFIFO:
    02094         rc = mkfifo(fsm->path, (st->st_mode & 07777));
    02095         if (_fsm_debug && (stage & FSM_SYSCALL))
    02096             rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0%04o) %s\n", cur,
    02097                 fsm->path, (unsigned)(st->st_mode & 07777),
    02098                 (rc < 0 ? strerror(errno) : ""));
    02099         if (rc < 0)     rc = CPIOERR_MKFIFO_FAILED;
    02100         break;
    02101     case FSM_MKNOD:
    02102         /*@-unrecog -portability @*/ /* FIX: check S_IFIFO or dev != 0 */
    02103         rc = mknod(fsm->path, (st->st_mode & ~07777), st->st_rdev);
    02104         /*@=unrecog =portability @*/
    02105         if (_fsm_debug && (stage & FSM_SYSCALL))
    02106             rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0%o, 0x%x) %s\n", cur,
    02107                 fsm->path, (unsigned)(st->st_mode & ~07777),
    02108                 (unsigned)st->st_rdev,
    02109                 (rc < 0 ? strerror(errno) : ""));
    02110         if (rc < 0)     rc = CPIOERR_MKNOD_FAILED;
    02111         break;
    02112     case FSM_LSTAT:
    02113         rc = Lstat(fsm->path, ost);
    02114         if (_fsm_debug && (stage & FSM_SYSCALL) && rc && errno != ENOENT)
    02115             rpmMessage(RPMMESS_DEBUG, " %8s (%s, ost) %s\n", cur,
    02116                 fsm->path, (rc < 0 ? strerror(errno) : ""));
    02117         if (rc < 0)     rc = CPIOERR_LSTAT_FAILED;
    02118         break;
    02119     case FSM_STAT:
    02120         rc = Stat(fsm->path, ost);
    02121         if (_fsm_debug && (stage & FSM_SYSCALL) && rc && errno != ENOENT)
    02122             rpmMessage(RPMMESS_DEBUG, " %8s (%s, ost) %s\n", cur,
    02123                 fsm->path, (rc < 0 ? strerror(errno) : ""));
    02124         if (rc < 0)     rc = CPIOERR_STAT_FAILED;
    02125         break;
    02126     case FSM_READLINK:
    02127         /* XXX NUL terminated result in fsm->rdbuf, len in fsm->rdnb. */
    02128 /*@-boundswrite@*/
    02129         rc = Readlink(fsm->path, fsm->rdbuf, fsm->rdsize - 1);
    02130 /*@=boundswrite@*/
    02131         if (_fsm_debug && (stage & FSM_SYSCALL))
    02132             rpmMessage(RPMMESS_DEBUG, " %8s (%s, rdbuf, %d) %s\n", cur,
    02133                 fsm->path, (int)(fsm->rdsize -1), (rc < 0 ? strerror(errno) : ""));
    02134         if (rc < 0)     rc = CPIOERR_READLINK_FAILED;
    02135         else {
    02136             fsm->rdnb = rc;
    02137 /*@-boundswrite@*/
    02138             fsm->rdbuf[fsm->rdnb] = '\0';
    02139 /*@=boundswrite@*/
    02140             rc = 0;
    02141         }
    02142         break;
    02143     case FSM_CHROOT:
    02144         break;
    02145
    02146     case FSM_NEXT:
    02147         rc = fsmStage(fsm, FSM_HREAD);
    02148         if (rc) break;
    02149         if (!strcmp(fsm->path, CPIO_TRAILER)) { /* Detect end-of-payload. */
    02150             fsm->path = _free(fsm->path);
    02151             rc = CPIOERR_HDR_TRAILER;
    02152         }
    02153         if (!rc)
    02154             rc = fsmStage(fsm, FSM_POS);
    02155         break;
    02156     case FSM_EAT:
    02157         for (left = st->st_size; left > 0; left -= fsm->rdnb) {
    02158             fsm->wrlen = (left > fsm->wrsize ? fsm->wrsize : left);
    02159             rc = fsmStage(fsm, FSM_DREAD);
    02160             if (rc)
    02161                 /*@loopbreak@*/ break;
    02162         }
    02163         break;
    02164     case FSM_POS:
    02165         left = (modulo - (fdGetCpioPos(fsm->cfd) % modulo)) % modulo;
    02166         if (left) {
    02167             fsm->wrlen = left;
    02168             (void) fsmStage(fsm, FSM_DREAD);
    02169         }
    02170         break;
    02171     case FSM_PAD:
    02172         left = (modulo - (fdGetCpioPos(fsm->cfd) % modulo)) % modulo;
    02173         if (left) {
    02174 /*@-boundswrite@*/
    02175             memset(fsm->rdbuf, 0, left);
    02176 /*@=boundswrite@*/
    02177             /* XXX DWRITE uses rdnb for I/O length. */
    02178             fsm->rdnb = left;
    02179             (void) fsmStage(fsm, FSM_DWRITE);
    02180         }
    02181         break;
    02182     case FSM_TRAILER:
    02183         rc = cpioTrailerWrite(fsm);
    02184         break;
    02185     case FSM_HREAD:
    02186         rc = fsmStage(fsm, FSM_POS);
    02187         if (!rc)
    02188             rc = cpioHeaderRead(fsm, st);       /* Read next payload header. */
    02189         break;
    02190     case FSM_HWRITE:
    02191         rc = cpioHeaderWrite(fsm, st);          /* Write next payload header. */
    02192         break;
    02193     case FSM_DREAD:
    02194 /*@-boundswrite@*/
    02195         fsm->rdnb = Fread(fsm->wrbuf, sizeof(*fsm->wrbuf), fsm->wrlen, fsm->cfd);
    02196 /*@=boundswrite@*/
    02197         if (_fsm_debug && (stage & FSM_SYSCALL))
    02198             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %d, cfd)\trdnb %d\n",
    02199                 cur, (fsm->wrbuf == fsm->wrb ? "wrbuf" : "mmap"),
    02200                 (int)fsm->wrlen, (int)fsm->rdnb);
    02201         if (fsm->rdnb != fsm->wrlen || Ferror(fsm->cfd))
    02202             rc = CPIOERR_READ_FAILED;
    02203         if (fsm->rdnb > 0)
    02204             fdSetCpioPos(fsm->cfd, fdGetCpioPos(fsm->cfd) + fsm->rdnb);
    02205         break;
    02206     case FSM_DWRITE:
    02207         fsm->wrnb = Fwrite(fsm->rdbuf, sizeof(*fsm->rdbuf), fsm->rdnb, fsm->cfd);
    02208         if (_fsm_debug && (stage & FSM_SYSCALL))
    02209             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %d, cfd)\twrnb %d\n",
    02210                 cur, (fsm->rdbuf == fsm->rdb ? "rdbuf" : "mmap"),
    02211                 (int)fsm->rdnb, (int)fsm->wrnb);
    02212         if (fsm->rdnb != fsm->wrnb || Ferror(fsm->cfd))
    02213             rc = CPIOERR_WRITE_FAILED;
    02214         if (fsm->wrnb > 0)
    02215             fdSetCpioPos(fsm->cfd, fdGetCpioPos(fsm->cfd) + fsm->wrnb);
    02216         break;
    02217
    02218     case FSM_ROPEN:
    02219         fsm->rfd = Fopen(fsm->path, "r.ufdio");
    02220         if (fsm->rfd == NULL || Ferror(fsm->rfd)) {
    02221             if (fsm->rfd)       (void) fsmStage(fsm, FSM_RCLOSE);
    02222             fsm->rfd = NULL;
    02223             rc = CPIOERR_OPEN_FAILED;
    02224             break;
    02225         }
    02226         if (_fsm_debug && (stage & FSM_SYSCALL))
    02227             rpmMessage(RPMMESS_DEBUG, " %8s (%s, \"r\") rfd %p rdbuf %p\n", cur,
    02228                 fsm->path, fsm->rfd, fsm->rdbuf);
    02229         break;
    02230     case FSM_READ:
    02231 /*@-boundswrite@*/
    02232         fsm->rdnb = Fread(fsm->rdbuf, sizeof(*fsm->rdbuf), fsm->rdlen, fsm->rfd);
    02233 /*@=boundswrite@*/
    02234         if (_fsm_debug && (stage & FSM_SYSCALL))
    02235             rpmMessage(RPMMESS_DEBUG, " %8s (rdbuf, %d, rfd)\trdnb %d\n",
    02236                 cur, (int)fsm->rdlen, (int)fsm->rdnb);
    02237         if (fsm->rdnb != fsm->rdlen || Ferror(fsm->rfd))
    02238             rc = CPIOERR_READ_FAILED;
    02239         break;
    02240     case FSM_RCLOSE:
    02241         if (fsm->rfd) {
    02242             if (_fsm_debug && (stage & FSM_SYSCALL))
    02243                 rpmMessage(RPMMESS_DEBUG, " %8s (%p)\n", cur, fsm->rfd);
    02244             (void) Fclose(fsm->rfd);
    02245             /*@-mods@*/
    02246             errno = saveerrno;
    02247             /*@=mods@*/
    02248         }
    02249         fsm->rfd = NULL;
    02250         break;
    02251     case FSM_WOPEN:
    02252         fsm->wfd = Fopen(fsm->path, "w.ufdio");
    02253         if (fsm->wfd == NULL || Ferror(fsm->wfd)) {
    02254             if (fsm->wfd)       (void) fsmStage(fsm, FSM_WCLOSE);
    02255             fsm->wfd = NULL;
    02256             rc = CPIOERR_OPEN_FAILED;
    02257         }
    02258         if (_fsm_debug && (stage & FSM_SYSCALL))
    02259             rpmMessage(RPMMESS_DEBUG, " %8s (%s, \"w\") wfd %p wrbuf %p\n", cur,
    02260                 fsm->path, fsm->wfd, fsm->wrbuf);
    02261         break;
    02262     case FSM_WRITE:
    02263         fsm->wrnb = Fwrite(fsm->wrbuf, sizeof(*fsm->wrbuf), fsm->rdnb, fsm->wfd);
    02264         if (_fsm_debug && (stage & FSM_SYSCALL))
    02265             rpmMessage(RPMMESS_DEBUG, " %8s (wrbuf, %d, wfd)\twrnb %d\n",
    02266                 cur, (int)fsm->rdnb, (int)fsm->wrnb);
    02267         if (fsm->rdnb != fsm->wrnb || Ferror(fsm->wfd))
    02268             rc = CPIOERR_WRITE_FAILED;
    02269         break;
    02270     case FSM_WCLOSE:
    02271         if (fsm->wfd) {
    02272             if (_fsm_debug && (stage & FSM_SYSCALL))
    02273                 rpmMessage(RPMMESS_DEBUG, " %8s (%p)\n", cur, fsm->wfd);
    02274             (void) Fclose(fsm->wfd);
    02275             /*@-mods@*/
    02276             errno = saveerrno;
    02277             /*@=mods@*/
    02278         }
    02279         fsm->wfd = NULL;
    02280         break;
    02281
    02282     default:
    02283         break;
    02284     }
    02285     /*@=branchstate@*/
    02286
    02287     if (!(stage & FSM_INTERNAL)) {
    02288         fsm->rc = (rc == CPIOERR_HDR_TRAILER ? 0 : rc);
    02289     }
    02290     return rc;
    02291 }
    02292 /*@=compmempass@*/
    02293 /*@=boundsread@*/
    02294
    02295 /*@obserever@*/ const char *const fileActionString(fileAction a)
    02296 {
    02297     switch (a) {
    02298     case FA_UNKNOWN:    return "unknown";
    02299     case FA_CREATE:     return "create";
    02300     case FA_COPYOUT:    return "copyout";
    02301     case FA_COPYIN:     return "copyin";
    02302     case FA_BACKUP:     return "backup";
    02303     case FA_SAVE:       return "save";
    02304     case FA_SKIP:       return "skip";
    02305     case FA_ALTNAME:    return "altname";
    02306     case FA_ERASE:      return "erase";
    02307     case FA_SKIPNSTATE: return "skipnstate";
    02308     case FA_SKIPNETSHARED: return "skipnetshared";
    02309     case FA_SKIPMULTILIB: return "skipmultilib";
    02310     default:            return "???";
    02311     }
    02312     /*@notreached@*/
    02313 }
    02314
    02315 /*@observer@*/ const char *const fileStageString(fileStage a) {
    02316     switch(a) {
    02317     case FSM_UNKNOWN:   return "unknown";
    02318
    02319     case FSM_PKGINSTALL:return "INSTALL";
    02320     case FSM_PKGERASE:  return "ERASE";
    02321     case FSM_PKGBUILD:  return "BUILD";
    02322     case FSM_PKGCOMMIT: return "COMMIT";
    02323     case FSM_PKGUNDO:   return "UNDO";
    02324
    02325     case FSM_CREATE:    return "create";
    02326     case FSM_INIT:      return "init";
    02327     case FSM_MAP:       return "map";
    02328     case FSM_MKDIRS:    return "mkdirs";
    02329     case FSM_RMDIRS:    return "rmdirs";
    02330     case FSM_PRE:       return "pre";
    02331     case FSM_PROCESS:   return "process";
    02332     case FSM_POST:      return "post";
    02333     case FSM_MKLINKS:   return "mklinks";
    02334     case FSM_NOTIFY:    return "notify";
    02335     case FSM_UNDO:      return "undo";
    02336     case FSM_FINI:      return "fini";
    02337     case FSM_COMMIT:    return "commit";
    02338     case FSM_DESTROY:   return "destroy";
    02339     case FSM_VERIFY:    return "verify";
    02340
    02341     case FSM_UNLINK:    return "Unlink";
    02342     case FSM_RENAME:    return "Rename";
    02343     case FSM_MKDIR:     return "Mkdir";
    02344     case FSM_RMDIR:     return "rmdir";
    02345     case FSM_CHOWN:     return "chown";
    02346     case FSM_LCHOWN:    return "lchown";
    02347     case FSM_CHMOD:     return "chmod";
    02348     case FSM_UTIME:     return "utime";
    02349     case FSM_SYMLINK:   return "symlink";
    02350     case FSM_LINK:      return "Link";
    02351     case FSM_MKFIFO:    return "mkfifo";
    02352     case FSM_MKNOD:     return "mknod";
    02353     case FSM_LSTAT:     return "Lstat";
    02354     case FSM_STAT:      return "Stat";
    02355     case FSM_READLINK:  return "Readlink";
    02356     case FSM_CHROOT:    return "chroot";
    02357
    02358     case FSM_NEXT:      return "next";
    02359     case FSM_EAT:       return "eat";
    02360     case FSM_POS:       return "pos";
    02361     case FSM_PAD:       return "pad";
    02362     case FSM_TRAILER:   return "trailer";
    02363     case FSM_HREAD:     return "hread";
    02364     case FSM_HWRITE:    return "hwrite";
    02365     case FSM_DREAD:     return "Fread";
    02366     case FSM_DWRITE:    return "Fwrite";
    02367
    02368     case FSM_ROPEN:     return "Fopen";
    02369     case FSM_READ:      return "Fread";
    02370     case FSM_RCLOSE:    return "Fclose";
    02371     case FSM_WOPEN:     return "Fopen";
    02372     case FSM_WRITE:     return "Fwrite";
    02373     case FSM_WCLOSE:    return "Fclose";
    02374
    02375     default:            return "???";
    02376     }
    02377     /*@noteached@*/
    02378 }