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 
00013 #include "fsm.h"
00014 #define fsmUNSAFE       fsmStage
00015 
00016 #include "rpmerr.h"
00017 
00018 #define _RPMFI_INTERNAL
00019 #include "rpmfi.h"
00020 #include "rpmte.h"
00021 #include "rpmts.h"
00022 #include "rpmsq.h"
00023 
00024 #include "ugid.h"               /* XXX unameToUid() and gnameToGid() */
00025 
00026 #include "debug.h"
00027 
00028 /*@access FD_t @*/      /* XXX void ptr args */
00029 /*@access FSMI_t @*/
00030 /*@access FSM_t @*/
00031 
00032 /*@access rpmfi @*/
00033 
00034 #define alloca_strdup(_s)       strcpy(alloca(strlen(_s)+1), (_s))
00035 
00036 #define _FSM_DEBUG      0
00037 /*@unchecked@*/
00038 int _fsm_debug = _FSM_DEBUG;
00039 
00040 /*@-exportheadervar@*/
00041 /*@unchecked@*/
00042 int _fsm_threads = 0;
00043 /*@=exportheadervar@*/
00044 
00045 /* XXX Failure to remove is not (yet) cause for failure. */
00046 /*@-exportlocal -exportheadervar@*/
00047 /*@unchecked@*/
00048 int strict_erasures = 0;
00049 /*@=exportlocal =exportheadervar@*/
00050 
00051 rpmts fsmGetTs(const FSM_t fsm) {
00052     const FSMI_t iter = fsm->iter;
00053     /*@-compdef -refcounttrans -retexpose -usereleased @*/
00054     return (iter ? iter->ts : NULL);
00055     /*@=compdef =refcounttrans =retexpose =usereleased @*/
00056 }
00057 
00058 rpmfi fsmGetFi(const FSM_t fsm)
00059 {
00060     const FSMI_t iter = fsm->iter;
00061     /*@-compdef -refcounttrans -retexpose -usereleased @*/
00062     return (iter ? iter->fi : NULL);
00063     /*@=compdef =refcounttrans =retexpose =usereleased @*/
00064 }
00065 
00066 #define SUFFIX_RPMORIG  ".rpmorig"
00067 #define SUFFIX_RPMSAVE  ".rpmsave"
00068 #define SUFFIX_RPMNEW   ".rpmnew"
00069 
00078 static /*@only@*//*@null@*/
00079 const char * fsmFsPath(/*@special@*/ /*@null@*/ const FSM_t fsm,
00080                 /*@null@*/ const struct stat * st,
00081                 /*@null@*/ const char * subdir,
00082                 /*@null@*/ const char * suffix)
00083         /*@uses fsm->dirName, fsm->baseName */
00084         /*@*/
00085 {
00086     const char * s = NULL;
00087 
00088     if (fsm) {
00089         int nb;
00090         char * t;
00091         nb = strlen(fsm->dirName) +
00092             (st && !S_ISDIR(st->st_mode) ? (subdir ? strlen(subdir) : 0) : 0) +
00093             (st && !S_ISDIR(st->st_mode) ? (suffix ? strlen(suffix) : 0) : 0) +
00094             strlen(fsm->baseName) + 1;
00095 /*@-boundswrite@*/
00096         s = t = xmalloc(nb);
00097         t = stpcpy(t, fsm->dirName);
00098         if (st && !S_ISDIR(st->st_mode))
00099             if (subdir) t = stpcpy(t, subdir);
00100         t = stpcpy(t, fsm->baseName);
00101         if (st && !S_ISDIR(st->st_mode))
00102             if (suffix) t = stpcpy(t, suffix);
00103 /*@=boundswrite@*/
00104     }
00105     return s;
00106 }
00107 
00113 static /*@null@*/ void * mapFreeIterator(/*@only@*//*@null@*/ void * p)
00114         /*@globals fileSystem @*/
00115         /*@modifies fileSystem @*/
00116 {
00117     FSMI_t iter = p;
00118     if (iter) {
00119 /*@-internalglobs@*/ /* XXX rpmswExit() */
00120         iter->ts = rpmtsFree(iter->ts);
00121 /*@=internalglobs@*/
00122         iter->fi = rpmfiUnlink(iter->fi, "mapIterator");
00123     }
00124     return _free(p);
00125 }
00126 
00133 static void *
00134 mapInitIterator(rpmts ts, rpmfi fi)
00135         /*@modifies ts, fi @*/
00136 {
00137     FSMI_t iter = NULL;
00138 
00139     iter = xcalloc(1, sizeof(*iter));
00140     iter->ts = rpmtsLink(ts, "mapIterator");
00141     iter->fi = rpmfiLink(fi, "mapIterator");
00142     iter->reverse = (rpmteType(fi->te) == TR_REMOVED && fi->action != FA_COPYOUT);
00143     iter->i = (iter->reverse ? (fi->fc - 1) : 0);
00144     iter->isave = iter->i;
00145     return iter;
00146 }
00147 
00153 static int mapNextIterator(/*@null@*/ void * a)
00154         /*@*/
00155 {
00156     FSMI_t iter = a;
00157     int i = -1;
00158 
00159     if (iter) {
00160         const rpmfi fi = iter->fi;
00161         if (iter->reverse) {
00162             if (iter->i >= 0)   i = iter->i--;
00163         } else {
00164             if (iter->i < fi->fc)       i = iter->i++;
00165         }
00166         iter->isave = i;
00167     }
00168     return i;
00169 }
00170 
00173 /*@-boundsread@*/
00174 static int cpioStrCmp(const void * a, const void * b)
00175         /*@*/
00176 {
00177     const char * afn = *(const char **)a;
00178     const char * bfn = *(const char **)b;
00179 
00180     /* XXX Some 4+ year old rpm packages have basename only in payloads. */
00181 #ifdef  VERY_OLD_BUGGY_RPM_PACKAGES
00182     if (strchr(afn, '/') == NULL)
00183         bfn = strrchr(bfn, '/') + 1;
00184 #endif
00185 
00186     /* Match rpm-4.0 payloads with ./ prefixes. */
00187     if (afn[0] == '.' && afn[1] == '/') afn += 2;
00188     if (bfn[0] == '.' && bfn[1] == '/') bfn += 2;
00189 
00190     /* If either path is absolute, make it relative. */
00191     if (afn[0] == '/')  afn += 1;
00192     if (bfn[0] == '/')  bfn += 1;
00193 
00194     return strcmp(afn, bfn);
00195 }
00196 /*@=boundsread@*/
00197 
00204 /*@-boundsread@*/
00205 static int mapFind(/*@null@*/ FSMI_t iter, const char * fsmPath)
00206         /*@modifies iter @*/
00207 {
00208     int ix = -1;
00209 
00210     if (iter) {
00211         const rpmfi fi = iter->fi;
00212         if (fi && fi->fc > 0 && fi->apath && fsmPath && *fsmPath) {
00213             const char ** p = NULL;
00214 
00215 /*@-boundswrite@*/
00216             if (fi->apath != NULL)
00217                 p = bsearch(&fsmPath, fi->apath, fi->fc, sizeof(fsmPath),
00218                         cpioStrCmp);
00219 /*@=boundswrite@*/
00220             if (p) {
00221                 iter->i = p - fi->apath;
00222                 ix = mapNextIterator(iter);
00223             }
00224         }
00225     }
00226     return ix;
00227 }
00228 /*@=boundsread@*/
00229 
00233 typedef struct dnli_s {
00234     rpmfi fi;
00235 /*@only@*/ /*@null@*/
00236     char * active;
00237     int reverse;
00238     int isave;
00239     int i;
00240 } * DNLI_t;
00241 
00247 static /*@null@*/ void * dnlFreeIterator(/*@only@*//*@null@*/ const void * a)
00248         /*@modifies a @*/
00249 {
00250     if (a) {
00251         DNLI_t dnli = (void *)a;
00252         if (dnli->active) free(dnli->active);
00253     }
00254     return _free(a);
00255 }
00256 
00259 static inline int dnlCount(/*@null@*/ const DNLI_t dnli)
00260         /*@*/
00261 {
00262     return (dnli ? dnli->fi->dc : 0);
00263 }
00264 
00267 static inline int dnlIndex(/*@null@*/ const DNLI_t dnli)
00268         /*@*/
00269 {
00270     return (dnli ? dnli->isave : -1);
00271 }
00272 
00279 /*@-boundsread@*/
00280 /*@-usereleased@*/
00281 static /*@only@*/ /*@null@*/
00282 void * dnlInitIterator(/*@special@*/ const FSM_t fsm,
00283                 int reverse)
00284         /*@uses fsm->iter @*/ 
00285         /*@*/
00286 {
00287     rpmfi fi = fsmGetFi(fsm);
00288     DNLI_t dnli;
00289     int i, j;
00290 
00291     if (fi == NULL)
00292         return NULL;
00293     dnli = xcalloc(1, sizeof(*dnli));
00294     dnli->fi = fi;
00295     dnli->reverse = reverse;
00296     /*@-branchstate@*/
00297     dnli->i = (reverse ? fi->dc : 0);
00298     /*@=branchstate@*/
00299 
00300     if (fi->dc) {
00301         dnli->active = xcalloc(fi->dc, sizeof(*dnli->active));
00302 
00303         /* Identify parent directories not skipped. */
00304 /*@-boundswrite@*/
00305         for (i = 0; i < fi->fc; i++)
00306             if (!XFA_SKIPPING(fi->actions[i])) dnli->active[fi->dil[i]] = 1;
00307 /*@=boundswrite@*/
00308 
00309         /* Exclude parent directories that are explicitly included. */
00310         for (i = 0; i < fi->fc; i++) {
00311             int dil, dnlen, bnlen;
00312 
00313             if (!S_ISDIR(fi->fmodes[i]))
00314                 continue;
00315 
00316             dil = fi->dil[i];
00317             dnlen = strlen(fi->dnl[dil]);
00318             bnlen = strlen(fi->bnl[i]);
00319 
00320             for (j = 0; j < fi->dc; j++) {
00321                 const char * dnl;
00322                 int jlen;
00323 
00324                 if (!dnli->active[j] || j == dil)
00325                     /*@innercontinue@*/ continue;
00326                 dnl = fi->dnl[j];
00327                 jlen = strlen(dnl);
00328                 if (jlen != (dnlen+bnlen+1))
00329                     /*@innercontinue@*/ continue;
00330                 if (strncmp(dnl, fi->dnl[dil], dnlen))
00331                     /*@innercontinue@*/ continue;
00332                 if (strncmp(dnl+dnlen, fi->bnl[i], bnlen))
00333                     /*@innercontinue@*/ continue;
00334                 if (dnl[dnlen+bnlen] != '/' || dnl[dnlen+bnlen+1] != '\0')
00335                     /*@innercontinue@*/ continue;
00336                 /* This directory is included in the package. */
00337 /*@-boundswrite@*/
00338                 dnli->active[j] = 0;
00339 /*@=boundswrite@*/
00340                 /*@innerbreak@*/ break;
00341             }
00342         }
00343 
00344         /* Print only once per package. */
00345         if (!reverse) {
00346             j = 0;
00347             for (i = 0; i < fi->dc; i++) {
00348                 if (!dnli->active[i]) continue;
00349                 if (j == 0) {
00350                     j = 1;
00351                     rpmMessage(RPMMESS_DEBUG,
00352         _("========== Directories not explicitly included in package:\n"));
00353                 }
00354                 rpmMessage(RPMMESS_DEBUG, _("%10d %s\n"), i, fi->dnl[i]);
00355             }
00356             if (j)
00357                 rpmMessage(RPMMESS_DEBUG, "==========\n");
00358         }
00359     }
00360     return dnli;
00361 }
00362 /*@=usereleased@*/
00363 /*@=boundsread@*/
00364 
00370 /*@-boundsread@*/
00371 static /*@observer@*/ /*@null@*/
00372 const char * dnlNextIterator(/*@null@*/ DNLI_t dnli)
00373         /*@modifies dnli @*/
00374 {
00375     const char * dn = NULL;
00376 
00377     if (dnli) {
00378         rpmfi fi = dnli->fi;
00379         int i = -1;
00380 
00381         if (dnli->active)
00382         do {
00383             i = (!dnli->reverse ? dnli->i++ : --dnli->i);
00384         } while (i >= 0 && i < fi->dc && !dnli->active[i]);
00385 
00386         if (i >= 0 && i < fi->dc)
00387             dn = fi->dnl[i];
00388         else
00389             i = -1;
00390         dnli->isave = i;
00391     }
00392     return dn;
00393 }
00394 /*@=boundsread@*/
00395 
00396 static void * fsmThread(void * arg)
00397         /*@globals h_errno, fileSystem, internalState @*/
00398         /*@modifies arg, fileSystem, internalState @*/
00399 {
00400     FSM_t fsm = arg;
00401 /*@-unqualifiedtrans@*/
00402     return ((void *) fsmStage(fsm, fsm->nstage));
00403 /*@=unqualifiedtrans@*/
00404 }
00405 
00406 int fsmNext(FSM_t fsm, fileStage nstage)
00407         /*@globals h_errno, fileSystem, internalState @*/
00408         /*@modifies fsm, fileSystem, internalState @*/
00409 {
00410     fsm->nstage = nstage;
00411     if (_fsm_threads)
00412         return rpmsqJoin( rpmsqThread(fsmThread, fsm) );
00413     return fsmStage(fsm, fsm->nstage);
00414 }
00415 
00421 /*@-boundsread@*/
00422 static int saveHardLink(/*@special@*/ /*@partial@*/ FSM_t fsm)
00423         /*@uses fsm->links, fsm->ix, fsm->sb, fsm->goal, fsm->nsuffix @*/
00424         /*@defines fsm->li @*/
00425         /*@releases fsm->path @*/
00426         /*@globals h_errno, fileSystem, internalState @*/
00427         /*@modifies fsm, fileSystem, internalState @*/
00428 {
00429     struct stat * st = &fsm->sb;
00430     int rc = 0;
00431     int ix = -1;
00432     int j;
00433 
00434     /* Find hard link set. */
00435     /*@-branchstate@*/
00436     for (fsm->li = fsm->links; fsm->li; fsm->li = fsm->li->next) {
00437         if (fsm->li->sb.st_ino == st->st_ino && fsm->li->sb.st_dev == st->st_dev)
00438             break;
00439     }
00440     /*@=branchstate@*/
00441 
00442     /* New hard link encountered, add new link to set. */
00443 /*@-boundswrite@*/
00444     /*@-branchstate@*/
00445     if (fsm->li == NULL) {
00446         fsm->li = xcalloc(1, sizeof(*fsm->li));
00447         fsm->li->next = NULL;
00448         fsm->li->sb = *st;      /* structure assignment */
00449         fsm->li->nlink = st->st_nlink;
00450         fsm->li->linkIndex = fsm->ix;
00451         fsm->li->createdPath = -1;
00452 
00453         fsm->li->filex = xcalloc(st->st_nlink, sizeof(fsm->li->filex[0]));
00454         memset(fsm->li->filex, -1, (st->st_nlink * sizeof(fsm->li->filex[0])));
00455         fsm->li->nsuffix = xcalloc(st->st_nlink, sizeof(*fsm->li->nsuffix));
00456 
00457         if (fsm->goal == FSM_PKGBUILD)
00458             fsm->li->linksLeft = st->st_nlink;
00459         if (fsm->goal == FSM_PKGINSTALL)
00460             fsm->li->linksLeft = 0;
00461 
00462         /*@-kepttrans@*/
00463         fsm->li->next = fsm->links;
00464         /*@=kepttrans@*/
00465         fsm->links = fsm->li;
00466     }
00467     /*@=branchstate@*/
00468 /*@=boundswrite@*/
00469 
00470     if (fsm->goal == FSM_PKGBUILD) --fsm->li->linksLeft;
00471 /*@-boundswrite@*/
00472     fsm->li->filex[fsm->li->linksLeft] = fsm->ix;
00473     /*@-observertrans -dependenttrans@*/
00474     fsm->li->nsuffix[fsm->li->linksLeft] = fsm->nsuffix;
00475     /*@=observertrans =dependenttrans@*/
00476 /*@=boundswrite@*/
00477     if (fsm->goal == FSM_PKGINSTALL) fsm->li->linksLeft++;
00478 
00479     if (fsm->goal == FSM_PKGBUILD)
00480         return (fsm->li->linksLeft > 0);
00481 
00482     if (fsm->goal != FSM_PKGINSTALL)
00483         return 0;
00484 
00485     if (!(st->st_size || fsm->li->linksLeft == st->st_nlink))
00486         return 1;
00487 
00488     /* Here come the bits, time to choose a non-skipped file name. */
00489     {   rpmfi fi = fsmGetFi(fsm);
00490 
00491         for (j = fsm->li->linksLeft - 1; j >= 0; j--) {
00492             ix = fsm->li->filex[j];
00493             if (ix < 0 || XFA_SKIPPING(fi->actions[ix]))
00494                 continue;
00495             break;
00496         }
00497     }
00498 
00499     /* Are all links skipped or not encountered yet? */
00500     if (ix < 0 || j < 0)
00501         return 1;       /* XXX W2DO? */
00502 
00503     /* Save the non-skipped file name and map index. */
00504     fsm->li->linkIndex = j;
00505     fsm->path = _free(fsm->path);
00506     fsm->ix = ix;
00507     rc = fsmNext(fsm, FSM_MAP);
00508     return rc;
00509 }
00510 /*@=boundsread@*/
00511 
00517 static /*@null@*/ void * freeHardLink(/*@only@*/ /*@null@*/ struct hardLink_s * li)
00518         /*@modifies li @*/
00519 {
00520     if (li) {
00521         li->nsuffix = _free(li->nsuffix);       /* XXX elements are shared */
00522         li->filex = _free(li->filex);
00523     }
00524     return _free(li);
00525 }
00526 
00527 FSM_t newFSM(void)
00528 {
00529     FSM_t fsm = xcalloc(1, sizeof(*fsm));
00530     return fsm;
00531 }
00532 
00533 FSM_t freeFSM(FSM_t fsm)
00534 {
00535     if (fsm) {
00536         fsm->path = _free(fsm->path);
00537         /*@-branchstate@*/
00538         while ((fsm->li = fsm->links) != NULL) {
00539             fsm->links = fsm->li->next;
00540             fsm->li->next = NULL;
00541             fsm->li = freeHardLink(fsm->li);
00542         }
00543         /*@=branchstate@*/
00544         fsm->dnlx = _free(fsm->dnlx);
00545         fsm->ldn = _free(fsm->ldn);
00546         fsm->iter = mapFreeIterator(fsm->iter);
00547     }
00548     return _free(fsm);
00549 }
00550 
00551 int fsmSetup(FSM_t fsm, fileStage goal,
00552                 const rpmts ts, const rpmfi fi, FD_t cfd,
00553                 unsigned int * archiveSize, const char ** failedFile)
00554 {
00555     size_t pos = 0;
00556     int rc, ec = 0;
00557 
00558     fsm->goal = goal;
00559     if (cfd != NULL) {
00560         fsm->cfd = fdLink(cfd, "persist (fsm)");
00561         pos = fdGetCpioPos(fsm->cfd);
00562         fdSetCpioPos(fsm->cfd, 0);
00563     }
00564     fsm->iter = mapInitIterator(ts, fi);
00565 
00566     if (fsm->goal == FSM_PKGINSTALL || fsm->goal == FSM_PKGBUILD) {
00567         void * ptr;
00568         fi->archivePos = 0;
00569         ptr = rpmtsNotify(ts, fi->te,
00570                 RPMCALLBACK_INST_START, fi->archivePos, fi->archiveSize);
00571     }
00572 
00573 /*@-boundswrite@*/
00574     /*@-assignexpose@*/
00575     fsm->archiveSize = archiveSize;
00576     if (fsm->archiveSize)
00577         *fsm->archiveSize = 0;
00578     fsm->failedFile = failedFile;
00579     if (fsm->failedFile)
00580         *fsm->failedFile = NULL;
00581     /*@=assignexpose@*/
00582 /*@=boundswrite@*/
00583 
00584     memset(fsm->sufbuf, 0, sizeof(fsm->sufbuf));
00585     if (fsm->goal == FSM_PKGINSTALL) {
00586         if (ts && rpmtsGetTid(ts) != -1)
00587             sprintf(fsm->sufbuf, ";%08x", (unsigned)rpmtsGetTid(ts));
00588     }
00589 
00590     ec = fsm->rc = 0;
00591     rc = fsmUNSAFE(fsm, FSM_CREATE);
00592     if (rc && !ec) ec = rc;
00593 
00594     rc = fsmUNSAFE(fsm, fsm->goal);
00595     if (rc && !ec) ec = rc;
00596 
00597 /*@-boundswrite@*/
00598     if (fsm->archiveSize && ec == 0)
00599         *fsm->archiveSize = (fdGetCpioPos(fsm->cfd) - pos);
00600 /*@=boundswrite@*/
00601 
00602 /*@-nullstate@*/ /* FIX: *fsm->failedFile may be NULL */
00603    return ec;
00604 /*@=nullstate@*/
00605 }
00606 
00607 int fsmTeardown(FSM_t fsm)
00608 {
00609     int rc = fsm->rc;
00610 
00611     if (!rc)
00612         rc = fsmUNSAFE(fsm, FSM_DESTROY);
00613 
00614     fsm->iter = mapFreeIterator(fsm->iter);
00615     if (fsm->cfd != NULL) {
00616         fsm->cfd = fdFree(fsm->cfd, "persist (fsm)");
00617         fsm->cfd = NULL;
00618     }
00619     fsm->failedFile = NULL;
00620     return rc;
00621 }
00622 
00623 static int fsmMapFContext(FSM_t fsm)
00624         /*@modifies fsm @*/
00625 {
00626     rpmts ts = fsmGetTs(fsm);
00627     rpmfi fi = fsmGetFi(fsm);
00628     struct stat * st = &fsm->sb;
00629 
00630     /*
00631      * Find file security context (if not disabled).
00632      */
00633     fsm->fcontext = NULL;
00634     if (ts != NULL && rpmtsSELinuxEnabled(ts) == 1 &&
00635         !(rpmtsFlags(ts) & RPMTRANS_FLAG_NOCONTEXTS))
00636     {
00637         security_context_t scon = NULL;
00638 
00639         if ( matchpathcon(fsm->path, st->st_mode, &scon) == 0 && scon != NULL) {
00640             /* Get file security context from patterns. */
00641             fsm->fcontext = scon;
00642         } else {
00643             int i = fsm->ix;
00644 
00645             /* Get file security context from package. */
00646             if (fi && i >= 0 && i < fi->fc) {
00647                 fsm->fcontext = (fi->fcontexts ? fi->fcontexts[i] : NULL);
00648                 return 1;
00649             }
00650         }
00651     }
00652     return 0;
00653 }
00654 
00655 int fsmMapPath(FSM_t fsm)
00656 {
00657     rpmfi fi = fsmGetFi(fsm);   /* XXX const except for fstates */
00658     int rc = 0;
00659     int i;
00660 
00661     fsm->osuffix = NULL;
00662     fsm->nsuffix = NULL;
00663     fsm->astriplen = 0;
00664     fsm->action = FA_UNKNOWN;
00665     fsm->mapFlags = 0;
00666 
00667     i = fsm->ix;
00668     if (fi && i >= 0 && i < fi->fc) {
00669 
00670 /*@-boundsread@*/
00671         fsm->astriplen = fi->astriplen;
00672         fsm->action = (fi->actions ? fi->actions[i] : fi->action);
00673         fsm->fflags = (fi->fflags ? fi->fflags[i] : fi->flags);
00674         fsm->mapFlags = (fi->fmapflags ? fi->fmapflags[i] : fi->mapflags);
00675 
00676         /* src rpms have simple base name in payload. */
00677         fsm->dirName = fi->dnl[fi->dil[i]];
00678         fsm->baseName = fi->bnl[i];
00679 /*@=boundsread@*/
00680 
00681 /*@-boundswrite@*/
00682         switch (fsm->action) {
00683         case FA_SKIP:
00684             break;
00685         case FA_UNKNOWN:
00686             break;
00687 
00688         case FA_COPYOUT:
00689             break;
00690         case FA_COPYIN:
00691         case FA_CREATE:
00692 assert(rpmteType(fi->te) == TR_ADDED);
00693             break;
00694 
00695         case FA_SKIPNSTATE:
00696             if (fi->fstates && rpmteType(fi->te) == TR_ADDED)
00697                 fi->fstates[i] = RPMFILE_STATE_NOTINSTALLED;
00698             break;
00699 
00700         case FA_SKIPNETSHARED:
00701             if (fi->fstates && rpmteType(fi->te) == TR_ADDED)
00702                 fi->fstates[i] = RPMFILE_STATE_NETSHARED;
00703             break;
00704 
00705         case FA_SKIPCOLOR:
00706             if (fi->fstates && rpmteType(fi->te) == TR_ADDED)
00707                 fi->fstates[i] = RPMFILE_STATE_WRONGCOLOR;
00708             break;
00709 
00710         case FA_BACKUP:
00711             if (!(fsm->fflags & RPMFILE_GHOST)) /* XXX Don't if %ghost file. */
00712             switch (rpmteType(fi->te)) {
00713             case TR_ADDED:
00714                 fsm->osuffix = SUFFIX_RPMORIG;
00715                 /*@innerbreak@*/ break;
00716             case TR_REMOVED:
00717                 fsm->osuffix = SUFFIX_RPMSAVE;
00718                 /*@innerbreak@*/ break;
00719             }
00720             break;
00721 
00722         case FA_ALTNAME:
00723 assert(rpmteType(fi->te) == TR_ADDED);
00724             if (!(fsm->fflags & RPMFILE_GHOST)) /* XXX Don't if %ghost file. */
00725                 fsm->nsuffix = SUFFIX_RPMNEW;
00726             break;
00727 
00728         case FA_SAVE:
00729 assert(rpmteType(fi->te) == TR_ADDED);
00730             if (!(fsm->fflags & RPMFILE_GHOST)) /* XXX Don't if %ghost file. */
00731                 fsm->osuffix = SUFFIX_RPMSAVE;
00732             break;
00733         case FA_ERASE:
00734 #if 0   /* XXX is this a genhdlist fix? */
00735             assert(rpmteType(fi->te) == TR_REMOVED);
00736 #endif
00737             /*
00738              * XXX TODO: %ghost probably shouldn't be removed, but that changes
00739              * legacy rpm behavior.
00740              */
00741             break;
00742         default:
00743             break;
00744         }
00745 /*@=boundswrite@*/
00746 
00747         if ((fsm->mapFlags & CPIO_MAP_PATH) || fsm->nsuffix) {
00748             const struct stat * st = &fsm->sb;
00749             fsm->path = _free(fsm->path);
00750             fsm->path = fsmFsPath(fsm, st, fsm->subdir,
00751                 (fsm->suffix ? fsm->suffix : fsm->nsuffix));
00752         }
00753     }
00754     return rc;
00755 }
00756 
00757 int fsmMapAttrs(FSM_t fsm)
00758 {
00759     struct stat * st = &fsm->sb;
00760     rpmfi fi = fsmGetFi(fsm);
00761     int i = fsm->ix;
00762 
00763     if (fi && i >= 0 && i < fi->fc) {
00764         mode_t perms = (S_ISDIR(st->st_mode) ? fi->dperms : fi->fperms);
00765         mode_t finalMode = (fi->fmodes ? fi->fmodes[i] : perms);
00766         dev_t finalRdev = (fi->frdevs ? fi->frdevs[i] : 0);
00767         int_32 finalMtime = (fi->fmtimes ? fi->fmtimes[i] : 0);
00768         uid_t uid = fi->uid;
00769         gid_t gid = fi->gid;
00770 
00771         if (fi->fuser && unameToUid(fi->fuser[i], &uid)) {
00772             if (fsm->goal == FSM_PKGINSTALL)
00773                 rpmMessage(RPMMESS_WARNING,
00774                     _("user %s does not exist - using root\n"), fi->fuser[i]);
00775             uid = 0;
00776             finalMode &= ~S_ISUID;      /* turn off suid bit */
00777         }
00778 
00779         if (fi->fgroup && gnameToGid(fi->fgroup[i], &gid)) {
00780             if (fsm->goal == FSM_PKGINSTALL)
00781                 rpmMessage(RPMMESS_WARNING,
00782                     _("group %s does not exist - using root\n"), fi->fgroup[i]);
00783             gid = 0;
00784             finalMode &= ~S_ISGID;      /* turn off sgid bit */
00785         }
00786 
00787         if (fsm->mapFlags & CPIO_MAP_MODE)
00788             st->st_mode = (st->st_mode & S_IFMT) | (finalMode & ~S_IFMT);
00789         if (fsm->mapFlags & CPIO_MAP_TYPE) {
00790             st->st_mode = (st->st_mode & ~S_IFMT) | (finalMode & S_IFMT);
00791             if ((S_ISCHR(st->st_mode) || S_ISBLK(st->st_mode))
00792             && st->st_nlink == 0)
00793                 st->st_nlink = 1;
00794             st->st_rdev = finalRdev;
00795             st->st_mtime = finalMtime;
00796         }
00797         if (fsm->mapFlags & CPIO_MAP_UID)
00798             st->st_uid = uid;
00799         if (fsm->mapFlags & CPIO_MAP_GID)
00800             st->st_gid = gid;
00801 
00802         {   rpmts ts = fsmGetTs(fsm);
00803 
00804             /*
00805              * Set file md5 (if not disabled).
00806              */
00807             if (ts != NULL && !(rpmtsFlags(ts) & RPMTRANS_FLAG_NOMD5)) {
00808                 fsm->fmd5sum = (fi->fmd5s ? fi->fmd5s[i] : NULL);
00809                 fsm->md5sum = (fi->md5s ? (fi->md5s + (16 * i)) : NULL);
00810             } else {
00811                 fsm->fmd5sum = NULL;
00812                 fsm->md5sum = NULL;
00813             }
00814         }
00815 
00816     }
00817     return 0;
00818 }
00819 
00825 /*@-compdef@*/
00826 static int expandRegular(/*@special@*/ FSM_t fsm)
00827         /*@uses fsm->fmd5sum, fsm->md5sum, fsm->sb, fsm->wfd  @*/
00828         /*@globals h_errno, fileSystem, internalState @*/
00829         /*@modifies fsm, fileSystem, internalState @*/
00830 {
00831     const struct stat * st = &fsm->sb;
00832     int rc = 0;
00833     rpmfi fi = fsmGetFi(fsm);
00834     int fx = rpmfiSetFX(fi, fsm->ix);
00835     int_32 left = rpmfiFSize(fi);
00836     rpmfiSetFX(fi, fx);
00837 
00838     rc = fsmNext(fsm, FSM_WOPEN);
00839     if (rc)
00840         goto exit;
00841 
00842     if (st->st_size > 0 && (fsm->fmd5sum != NULL || fsm->md5sum != NULL))
00843         fdInitDigest(fsm->wfd, PGPHASHALGO_MD5, 0);
00844 
00845     while (left) {
00846 
00847         fsm->wrlen = (left > fsm->wrsize ? fsm->wrsize : left);
00848         rc = fsmNext(fsm, FSM_DREAD);
00849         if (rc)
00850             goto exit;
00851 
00852         rc = fsmNext(fsm, FSM_WRITE);
00853         if (rc)
00854             goto exit;
00855 
00856         left -= fsm->wrnb;
00857 
00858         /* don't call this with fileSize == fileComplete */
00859         if (!rc && left)
00860             (void) fsmNext(fsm, FSM_NOTIFY);
00861     }
00862 
00863     if (st->st_size > 0 && (fsm->fmd5sum || fsm->md5sum)) {
00864         void * md5sum = NULL;
00865         int asAscii = (fsm->md5sum == NULL ? 1 : 0);
00866 
00867         (void) Fflush(fsm->wfd);
00868         fdFiniDigest(fsm->wfd, PGPHASHALGO_MD5, &md5sum, NULL, asAscii);
00869 
00870         if (md5sum == NULL) {
00871             rc = CPIOERR_MD5SUM_MISMATCH;
00872             goto exit;
00873         }
00874 
00875         if (fsm->md5sum != NULL) {
00876             if (memcmp(md5sum, fsm->md5sum, 16))
00877                 rc = CPIOERR_MD5SUM_MISMATCH;
00878         } else {
00879             if (strcmp(md5sum, fsm->fmd5sum))
00880                 rc = CPIOERR_MD5SUM_MISMATCH;
00881         }
00882         md5sum = _free(md5sum);
00883     }
00884 
00885 exit:
00886     (void) fsmNext(fsm, FSM_WCLOSE);
00887     return rc;
00888 }
00889 /*@=compdef@*/
00890 
00897 /*@-compdef -compmempass@*/
00898 static int writeFile(/*@special@*/ /*@partial@*/ FSM_t fsm, int writeData)
00899         /*@uses fsm->path, fsm->opath, fsm->sb, fsm->osb, fsm->cfd @*/
00900         /*@globals h_errno, fileSystem, internalState @*/
00901         /*@modifies fsm, fileSystem, internalState @*/
00902 {
00903     const char * path = fsm->path;
00904     const char * opath = fsm->opath;
00905     struct stat * st = &fsm->sb;
00906     struct stat * ost = &fsm->osb;
00907     char * symbuf = NULL;
00908     int left;
00909     int xx;
00910     int rc;
00911 
00912     st->st_size = (writeData ? ost->st_size : 0);
00913 
00914     /*@-branchstate@*/
00915     if (S_ISDIR(st->st_mode)) {
00916         st->st_size = 0;
00917     } else if (S_ISLNK(st->st_mode)) {
00918         /*
00919          * While linux puts the size of a symlink in the st_size field,
00920          * I don't think that's a specified standard.
00921          */
00922         /* XXX NUL terminated result in fsm->rdbuf, len in fsm->rdnb. */
00923         rc = fsmUNSAFE(fsm, FSM_READLINK);
00924         if (rc) goto exit;
00925         st->st_size = fsm->rdnb;
00926         symbuf = alloca_strdup(fsm->rdbuf);     /* XXX save readlink return. */
00927     }
00928     /*@=branchstate@*/
00929 
00930     if (fsm->mapFlags & CPIO_MAP_ABSOLUTE) {
00931 /*@-boundswrite@*/
00932         int nb = strlen(fsm->dirName) + strlen(fsm->baseName) + sizeof(".");
00933         char * t = alloca(nb);
00934         *t = '\0';
00935         fsm->path = t;
00936         if (fsm->mapFlags & CPIO_MAP_ADDDOT)
00937             *t++ = '.';
00938         t = stpcpy( stpcpy(t, fsm->dirName), fsm->baseName);
00939 /*@=boundswrite@*/
00940     } else if (fsm->mapFlags & CPIO_MAP_PATH) {
00941         rpmfi fi = fsmGetFi(fsm);
00942         fsm->path =
00943             (fi->apath ? fi->apath[fsm->ix] + fi->striplen : fi->bnl[fsm->ix]);
00944     }
00945 
00946     rc = fsmNext(fsm, FSM_HWRITE);
00947     fsm->path = path;
00948     if (rc) goto exit;
00949 
00950     if (writeData && S_ISREG(st->st_mode)) {
00951 #ifdef HAVE_MMAP
00952         char * rdbuf = NULL;
00953         void * mapped = (void *)-1;
00954         size_t nmapped;
00955 #endif
00956 
00957         rc = fsmNext(fsm, FSM_ROPEN);
00958         if (rc) goto exit;
00959 
00960         /* XXX unbuffered mmap generates *lots* of fdio debugging */
00961 #ifdef HAVE_MMAP
00962         nmapped = 0;
00963         mapped = mmap(NULL, st->st_size, PROT_READ, MAP_SHARED, Fileno(fsm->rfd), 0);
00964         if (mapped != (void *)-1) {
00965             rdbuf = fsm->rdbuf;
00966             fsm->rdbuf = (char *) mapped;
00967             fsm->rdlen = nmapped = st->st_size;
00968 #if defined(MADV_DONTNEED)
00969             xx = madvise(mapped, nmapped, MADV_DONTNEED);
00970 #endif
00971         }
00972 #endif
00973 
00974         left = st->st_size;
00975 
00976         while (left) {
00977 #ifdef HAVE_MMAP
00978           if (mapped != (void *)-1) {
00979             fsm->rdnb = nmapped;
00980           } else
00981 #endif
00982           {
00983             fsm->rdlen = (left > fsm->rdsize ? fsm->rdsize : left),
00984             rc = fsmNext(fsm, FSM_READ);
00985             if (rc) goto exit;
00986           }
00987 
00988             /* XXX DWRITE uses rdnb for I/O length. */
00989             rc = fsmNext(fsm, FSM_DWRITE);
00990             if (rc) goto exit;
00991 
00992             left -= fsm->wrnb;
00993         }
00994 
00995 #ifdef HAVE_MMAP
00996 /*@-branchstate@*/
00997         if (mapped != (void *)-1) {
00998             xx = msync(mapped, nmapped, MS_ASYNC);
00999 #if defined(MADV_DONTNEED)
01000             xx = madvise(mapped, nmapped, MADV_DONTNEED);
01001 #endif
01002 /*@-noeffect@*/
01003             xx = munmap(mapped, nmapped);
01004 /*@=noeffect@*/
01005             fsm->rdbuf = rdbuf;
01006         }
01007 /*@=branchstate@*/
01008 #endif
01009 
01010     } else if (writeData && S_ISLNK(st->st_mode)) {
01011         /* XXX DWRITE uses rdnb for I/O length. */
01012 /*@-boundswrite@*/
01013         strcpy(fsm->rdbuf, symbuf);     /* XXX restore readlink buffer. */
01014 /*@=boundswrite@*/
01015         fsm->rdnb = strlen(symbuf);
01016         rc = fsmNext(fsm, FSM_DWRITE);
01017         if (rc) goto exit;
01018     }
01019 
01020     rc = fsmNext(fsm, FSM_PAD);
01021     if (rc) goto exit;
01022 
01023     rc = 0;
01024 
01025 exit:
01026     if (fsm->rfd != NULL)
01027         (void) fsmNext(fsm, FSM_RCLOSE);
01028 /*@-dependenttrans@*/
01029     fsm->opath = opath;
01030     fsm->path = path;
01031 /*@=dependenttrans@*/
01032     return rc;
01033 }
01034 /*@=compdef =compmempass@*/
01035 
01041 static int writeLinkedFile(/*@special@*/ /*@partial@*/ FSM_t fsm)
01042         /*@uses fsm->path, fsm->nsuffix, fsm->ix, fsm->li, fsm->failedFile @*/
01043         /*@globals h_errno, fileSystem, internalState @*/
01044         /*@modifies fsm, fileSystem, internalState @*/
01045 {
01046     const char * path = fsm->path;
01047     const char * nsuffix = fsm->nsuffix;
01048     int iterIndex = fsm->ix;
01049     int ec = 0;
01050     int rc;
01051     int i;
01052 
01053     fsm->path = NULL;
01054     fsm->nsuffix = NULL;
01055     fsm->ix = -1;
01056 
01057 /*@-boundswrite@*/
01058 /*@-branchstate@*/
01059     for (i = fsm->li->nlink - 1; i >= 0; i--) {
01060 
01061         if (fsm->li->filex[i] < 0) continue;
01062 
01063         fsm->ix = fsm->li->filex[i];
01064 /*@-compdef@*/
01065         rc = fsmNext(fsm, FSM_MAP);
01066 /*@=compdef@*/
01067 
01068         /* Write data after last link. */
01069         rc = writeFile(fsm, (i == 0));
01070         if (fsm->failedFile && rc != 0 && *fsm->failedFile == NULL) {
01071             ec = rc;
01072             *fsm->failedFile = xstrdup(fsm->path);
01073         }
01074 
01075         fsm->path = _free(fsm->path);
01076         fsm->li->filex[i] = -1;
01077     }
01078 /*@=branchstate@*/
01079 /*@=boundswrite@*/
01080 
01081     fsm->ix = iterIndex;
01082     fsm->nsuffix = nsuffix;
01083     fsm->path = path;
01084     return ec;
01085 }
01086 
01092 /*@-boundsread@*/
01093 /*@-compdef@*/
01094 static int fsmMakeLinks(/*@special@*/ /*@partial@*/ FSM_t fsm)
01095         /*@uses fsm->path, fsm->opath, fsm->nsuffix, fsm->ix, fsm->li @*/
01096         /*@globals h_errno, fileSystem, internalState @*/
01097         /*@modifies fsm, fileSystem, internalState @*/
01098 {
01099     const char * path = fsm->path;
01100     const char * opath = fsm->opath;
01101     const char * nsuffix = fsm->nsuffix;
01102     int iterIndex = fsm->ix;
01103     int ec = 0;
01104     int rc;
01105     int i;
01106 
01107     fsm->path = NULL;
01108     fsm->opath = NULL;
01109     fsm->nsuffix = NULL;
01110     fsm->ix = -1;
01111 
01112     fsm->ix = fsm->li->filex[fsm->li->createdPath];
01113     rc = fsmNext(fsm, FSM_MAP);
01114     fsm->opath = fsm->path;
01115     fsm->path = NULL;
01116     /*@-branchstate@*/
01117     for (i = 0; i < fsm->li->nlink; i++) {
01118         if (fsm->li->filex[i] < 0) continue;
01119         if (fsm->li->createdPath == i) continue;
01120 
01121         fsm->ix = fsm->li->filex[i];
01122         fsm->path = _free(fsm->path);
01123         rc = fsmNext(fsm, FSM_MAP);
01124         if (XFA_SKIPPING(fsm->action)) continue;
01125 
01126         rc = fsmUNSAFE(fsm, FSM_VERIFY);
01127         if (!rc) continue;
01128         if (!(rc == CPIOERR_ENOENT)) break;
01129 
01130         /* XXX link(fsm->opath, fsm->path) */
01131         rc = fsmNext(fsm, FSM_LINK);
01132         if (fsm->failedFile && rc != 0 && *fsm->failedFile == NULL) {
01133             ec = rc;
01134 /*@-boundswrite@*/
01135             *fsm->failedFile = xstrdup(fsm->path);
01136 /*@=boundswrite@*/
01137         }
01138 
01139         fsm->li->linksLeft--;
01140     }
01141     /*@=branchstate@*/
01142     fsm->path = _free(fsm->path);
01143     fsm->opath = _free(fsm->opath);
01144 
01145     fsm->ix = iterIndex;
01146     fsm->nsuffix = nsuffix;
01147     fsm->path = path;
01148     fsm->opath = opath;
01149     return ec;
01150 }
01151 /*@=compdef@*/
01152 /*@=boundsread@*/
01153 
01159 /*@-compdef@*/
01160 static int fsmCommitLinks(/*@special@*/ /*@partial@*/ FSM_t fsm)
01161         /*@uses fsm->path, fsm->nsuffix, fsm->ix, fsm->sb,
01162                 fsm->li, fsm->links @*/
01163         /*@globals h_errno, fileSystem, internalState @*/
01164         /*@modifies fsm, fileSystem, internalState @*/
01165 {
01166     const char * path = fsm->path;
01167     const char * nsuffix = fsm->nsuffix;
01168     int iterIndex = fsm->ix;
01169     struct stat * st = &fsm->sb;
01170     int rc = 0;
01171     int i;
01172 
01173     fsm->path = NULL;
01174     fsm->nsuffix = NULL;
01175     fsm->ix = -1;
01176 
01177     /*@-branchstate@*/
01178     for (fsm->li = fsm->links; fsm->li; fsm->li = fsm->li->next) {
01179         if (fsm->li->sb.st_ino == st->st_ino && fsm->li->sb.st_dev == st->st_dev)
01180             break;
01181     }
01182     /*@=branchstate@*/
01183 
01184 /*@-boundswrite@*/
01185     for (i = 0; i < fsm->li->nlink; i++) {
01186         if (fsm->li->filex[i] < 0) continue;
01187         fsm->ix = fsm->li->filex[i];
01188         rc = fsmNext(fsm, FSM_MAP);
01189         if (!XFA_SKIPPING(fsm->action))
01190             rc = fsmNext(fsm, FSM_COMMIT);
01191         fsm->path = _free(fsm->path);
01192         fsm->li->filex[i] = -1;
01193     }
01194 /*@=boundswrite@*/
01195 
01196     fsm->ix = iterIndex;
01197     fsm->nsuffix = nsuffix;
01198     fsm->path = path;
01199     return rc;
01200 }
01201 /*@=compdef@*/
01202 
01208 static int fsmRmdirs(/*@special@*/ /*@partial@*/ FSM_t fsm)
01209         /*@uses fsm->path, fsm->dnlx, fsm->ldn, fsm->rdbuf, fsm->iter @*/
01210         /*@globals h_errno, fileSystem, internalState @*/
01211         /*@modifies fsm, fileSystem, internalState @*/
01212 {
01213     const char * path = fsm->path;
01214     void * dnli = dnlInitIterator(fsm, 1);
01215     char * dn = fsm->rdbuf;
01216     int dc = dnlCount(dnli);
01217     int rc = 0;
01218 
01219     fsm->path = NULL;
01220 /*@-boundswrite@*/
01221     dn[0] = '\0';
01222     /*@-observertrans -dependenttrans@*/
01223     if (fsm->ldn != NULL && fsm->dnlx != NULL)
01224     while ((fsm->path = dnlNextIterator(dnli)) != NULL) {
01225         int dnlen = strlen(fsm->path);
01226         char * te;
01227 
01228         dc = dnlIndex(dnli);
01229         if (fsm->dnlx[dc] < 1 || fsm->dnlx[dc] >= dnlen)
01230             continue;
01231 
01232         /* Copy to avoid const on fsm->path. */
01233         te = stpcpy(dn, fsm->path) - 1;
01234         fsm->path = dn;
01235 
01236         /* Remove generated directories. */
01237         /*@-usereleased@*/ /* LCL: te used after release? */
01238         do {
01239             if (*te == '/') {
01240                 *te = '\0';
01241 /*@-compdef@*/
01242                 rc = fsmNext(fsm, FSM_RMDIR);
01243 /*@=compdef@*/
01244                 *te = '/';
01245             }
01246             if (rc)
01247                 /*@innerbreak@*/ break;
01248             te--;
01249         } while ((te - fsm->path) > fsm->dnlx[dc]);
01250         /*@=usereleased@*/
01251     }
01252 /*@=boundswrite@*/
01253     dnli = dnlFreeIterator(dnli);
01254     /*@=observertrans =dependenttrans@*/
01255 
01256     fsm->path = path;
01257     return rc;
01258 }
01259 
01265 static int fsmMkdirs(/*@special@*/ /*@partial@*/ FSM_t fsm)
01266         /*@uses fsm->path, fsm->sb, fsm->osb, fsm->rdbuf, fsm->iter,
01267                 fsm->ldn, fsm->ldnlen, fsm->ldnalloc @*/
01268         /*@defines fsm->dnlx, fsm->ldn @*/
01269         /*@globals h_errno, fileSystem, internalState @*/
01270         /*@modifies fsm, fileSystem, internalState @*/
01271 {
01272     struct stat * st = &fsm->sb;
01273     struct stat * ost = &fsm->osb;
01274     const char * path = fsm->path;
01275     mode_t st_mode = st->st_mode;
01276     void * dnli = dnlInitIterator(fsm, 0);
01277     char * dn = fsm->rdbuf;
01278     int dc = dnlCount(dnli);
01279     int rc = 0;
01280     int i;
01281 /*@-compdef@*/
01282     rpmts ts = fsmGetTs(fsm);
01283 /*@=compdef@*/
01284     security_context_t scon = NULL;
01285 
01286     fsm->path = NULL;
01287 
01288 /*@-boundswrite@*/
01289     dn[0] = '\0';
01290     fsm->dnlx = (dc ? xcalloc(dc, sizeof(*fsm->dnlx)) : NULL);
01291     /*@-observertrans -dependenttrans@*/
01292     if (fsm->dnlx != NULL)
01293     while ((fsm->path = dnlNextIterator(dnli)) != NULL) {
01294         int dnlen = strlen(fsm->path);
01295         char * te;
01296 
01297         dc = dnlIndex(dnli);
01298         if (dc < 0) continue;
01299         fsm->dnlx[dc] = dnlen;
01300         if (dnlen <= 1)
01301             continue;
01302 
01303         /*@-compdef -nullpass@*/        /* FIX: fsm->ldn not defined ??? */
01304         if (dnlen <= fsm->ldnlen && !strcmp(fsm->path, fsm->ldn))
01305             continue;
01306         /*@=compdef =nullpass@*/
01307 
01308         /* Copy to avoid const on fsm->path. */
01309         (void) stpcpy(dn, fsm->path);
01310         fsm->path = dn;
01311 
01312         /* Assume '/' directory exists, "mkdir -p" for others if non-existent */
01313         for (i = 1, te = dn + 1; *te != '\0'; te++, i++) {
01314             if (*te != '/')
01315                 /*@innercontinue@*/ continue;
01316 
01317             *te = '\0';
01318 
01319             /* Already validated? */
01320             /*@-usedef -compdef -nullpass -nullderef@*/
01321             if (i < fsm->ldnlen &&
01322                 (fsm->ldn[i] == '/' || fsm->ldn[i] == '\0') &&
01323                 !strncmp(fsm->path, fsm->ldn, i))
01324             {
01325                 *te = '/';
01326                 /* Move pre-existing path marker forward. */
01327                 fsm->dnlx[dc] = (te - dn);
01328                 /*@innercontinue@*/ continue;
01329             }
01330             /*@=usedef =compdef =nullpass =nullderef@*/
01331 
01332             /* Validate next component of path. */
01333             rc = fsmUNSAFE(fsm, FSM_LSTAT);
01334             *te = '/';
01335 
01336             /* Directory already exists? */
01337             if (rc == 0 && S_ISDIR(ost->st_mode)) {
01338                 /* Move pre-existing path marker forward. */
01339                 fsm->dnlx[dc] = (te - dn);
01340             } else if (rc == CPIOERR_ENOENT) {
01341                 rpmfi fi = fsmGetFi(fsm);
01342                 *te = '\0';
01343                 st->st_mode = S_IFDIR | (fi->dperms & 07777);
01344                 rc = fsmNext(fsm, FSM_MKDIR);
01345                 if (!rc) {
01346                     /* XXX FIXME? only new dir will have context set. */
01347                     /* Get file security context from patterns. */
01348                     if (rpmtsSELinuxEnabled(ts) &&
01349                         ! rpmtsFlags(ts) & RPMTRANS_FLAG_NOCONTEXTS) {
01350                         if (matchpathcon(fsm->path, st->st_mode, &scon) == 0 &&
01351                             scon != NULL) {
01352                                 fsm->fcontext = scon;
01353                                 rc = fsmNext(fsm, FSM_LSETFCON);
01354                         }
01355                     }
01356                         
01357                     if (fsm->fcontext == NULL)
01358                         rpmMessage(RPMMESS_DEBUG,
01359                             _("%s directory created with perms %04o, no context.\n"),
01360                             fsm->path, (unsigned)(st->st_mode & 07777));
01361                     else {
01362                         rpmMessage(RPMMESS_DEBUG,
01363                             _("%s directory created with perms %04o, context %s.\n"),
01364                             fsm->path, (unsigned)(st->st_mode & 07777),
01365                             fsm->fcontext);
01366                         freecon(fsm->fcontext);
01367                     }
01368                     fsm->fcontext = NULL;
01369                 }
01370                 *te = '/';
01371             }
01372             if (rc)
01373                 /*@innerbreak@*/ break;
01374         }
01375         if (rc) break;
01376 
01377         /* Save last validated path. */
01378 /*@-compdef@*/ /* FIX: ldn/path annotations ? */
01379         if (fsm->ldnalloc < (dnlen + 1)) {
01380             fsm->ldnalloc = dnlen + 100;
01381             fsm->ldn = xrealloc(fsm->ldn, fsm->ldnalloc);
01382         }
01383         if (fsm->ldn != NULL) { /* XXX can't happen */
01384             strcpy(fsm->ldn, fsm->path);
01385             fsm->ldnlen = dnlen;
01386         }
01387 /*@=compdef@*/
01388     }
01389 /*@=boundswrite@*/
01390     dnli = dnlFreeIterator(dnli);
01391     /*@=observertrans =dependenttrans@*/
01392 
01393     fsm->path = path;
01394     st->st_mode = st_mode;              /* XXX restore st->st_mode */
01395 /*@-compdef@*/ /* FIX: ldn/path annotations ? */
01396     return rc;
01397 /*@=compdef@*/
01398 }
01399 
01400 #ifdef  NOTYET
01401 
01406 static int fsmStat(/*@special@*/ /*@partial@*/ FSM_t fsm)
01407         /*@globals fileSystem, internalState @*/
01408         /*@modifies fsm, fileSystem, internalState @*/
01409 {
01410     int rc = 0;
01411 
01412     if (fsm->path != NULL) {
01413         int saveernno = errno;
01414         rc = fsmUNSAFE(fsm, (!(fsm->mapFlags & CPIO_FOLLOW_SYMLINKS)
01415                         ? FSM_LSTAT : FSM_STAT));
01416         if (rc == CPIOERR_ENOENT) {
01417             errno = saveerrno;
01418             rc = 0;
01419             fsm->exists = 0;
01420         } else if (rc == 0) {
01421             fsm->exists = 1;
01422         }
01423     } else {
01424         /* Skip %ghost files on build. */
01425         fsm->exists = 0;
01426     }
01427     return rc;
01428 }
01429 #endif
01430 
01431 static void removeSBITS(const char *path)
01432 {
01433     struct stat stb;
01434     if (lstat(path, &stb) == 0 && S_ISREG(stb.st_mode)) {
01435         if ((stb.st_mode & 06000) != 0) {
01436             (void) chmod(path, stb.st_mode & 0777);
01437         }
01438     }
01439 }
01440 
01441 #define IS_DEV_LOG(_x)  \
01442         ((_x) != NULL && strlen(_x) >= (sizeof("/dev/log")-1) && \
01443         !strncmp((_x), "/dev/log", sizeof("/dev/log")-1) && \
01444         ((_x)[sizeof("/dev/log")-1] == '\0' || \
01445          (_x)[sizeof("/dev/log")-1] == ';'))
01446 
01447 /*@-boundsread@*/
01448 /*@-compmempass@*/
01449 int fsmStage(FSM_t fsm, fileStage stage)
01450 {
01451 #ifdef  UNUSED
01452     fileStage prevStage = fsm->stage;
01453     const char * const prev = fileStageString(prevStage);
01454 #endif
01455     static int modulo = 4;
01456     const char * const cur = fileStageString(stage);
01457     struct stat * st = &fsm->sb;
01458     struct stat * ost = &fsm->osb;
01459     int saveerrno = errno;
01460     int rc = fsm->rc;
01461     size_t left;
01462     int i;
01463 
01464 #define _fafilter(_a)   \
01465     (!((_a) == FA_CREATE || (_a) == FA_ERASE || (_a) == FA_COPYIN || (_a) == FA_COPYOUT) \
01466         ? fileActionString(_a) : "")
01467 
01468     if (stage & FSM_DEAD) {
01469         /* do nothing */
01470     } else if (stage & FSM_INTERNAL) {
01471         if (_fsm_debug && !(stage & FSM_SYSCALL))
01472             rpmMessage(RPMMESS_DEBUG, " %8s %06o%3d (%4d,%4d)%10d %s %s\n",
01473                 cur,
01474                 (unsigned)st->st_mode, (int)st->st_nlink,
01475                 (int)st->st_uid, (int)st->st_gid, (int)st->st_size,
01476                 (fsm->path ? fsm->path : ""),
01477                 _fafilter(fsm->action));
01478     } else {
01479         fsm->stage = stage;
01480         if (_fsm_debug || !(stage & FSM_VERBOSE))
01481             rpmMessage(RPMMESS_DEBUG, "%-8s  %06o%3d (%4d,%4d)%10d %s %s\n",
01482                 cur,
01483                 (unsigned)st->st_mode, (int)st->st_nlink,
01484                 (int)st->st_uid, (int)st->st_gid, (int)st->st_size,
01485                 (fsm->path ? fsm->path + fsm->astriplen : ""),
01486                 _fafilter(fsm->action));
01487     }
01488 #undef  _fafilter
01489 
01490     /*@-branchstate@*/
01491     switch (stage) {
01492     case FSM_UNKNOWN:
01493         break;
01494     case FSM_PKGINSTALL:
01495         while (1) {
01496             /* Clean fsm, free'ing memory. Read next archive header. */
01497             rc = fsmUNSAFE(fsm, FSM_INIT);
01498 
01499             /* Exit on end-of-payload. */
01500             if (rc == CPIOERR_HDR_TRAILER) {
01501                 rc = 0;
01502                 /*@loopbreak@*/ break;
01503             }
01504 
01505             /* Exit on error. */
01506             if (rc) {
01507                 fsm->postpone = 1;
01508                 (void) fsmNext(fsm, FSM_UNDO);
01509                 /*@loopbreak@*/ break;
01510             }
01511 
01512             /* Extract file from archive. */
01513             rc = fsmNext(fsm, FSM_PROCESS);
01514             if (rc) {
01515                 (void) fsmNext(fsm, FSM_UNDO);
01516                 /*@loopbreak@*/ break;
01517             }
01518 
01519             /* Notify on success. */
01520             (void) fsmNext(fsm, FSM_NOTIFY);
01521 
01522             rc = fsmNext(fsm, FSM_FINI);
01523             if (rc) {
01524                 /*@loopbreak@*/ break;
01525             }
01526         }
01527         break;
01528     case FSM_PKGERASE:
01529     case FSM_PKGCOMMIT:
01530         while (1) {
01531             /* Clean fsm, free'ing memory. */
01532             rc = fsmUNSAFE(fsm, FSM_INIT);
01533 
01534             /* Exit on end-of-payload. */
01535             if (rc == CPIOERR_HDR_TRAILER) {
01536                 rc = 0;
01537                 /*@loopbreak@*/ break;
01538             }
01539 
01540             /* Rename/erase next item. */
01541             if (fsmNext(fsm, FSM_FINI))
01542                 /*@loopbreak@*/ break;
01543         }
01544         break;
01545     case FSM_PKGBUILD:
01546         while (1) {
01547 
01548             rc = fsmUNSAFE(fsm, FSM_INIT);
01549 
01550             /* Exit on end-of-payload. */
01551             if (rc == CPIOERR_HDR_TRAILER) {
01552                 rc = 0;
01553                 /*@loopbreak@*/ break;
01554             }
01555 
01556             /* Exit on error. */
01557             if (rc) {
01558                 fsm->postpone = 1;
01559                 (void) fsmNext(fsm, FSM_UNDO);
01560                 /*@loopbreak@*/ break;
01561             }
01562 
01563             /* Copy file into archive. */
01564             rc = fsmNext(fsm, FSM_PROCESS);
01565             if (rc) {
01566                 (void) fsmNext(fsm, FSM_UNDO);
01567                 /*@loopbreak@*/ break;
01568             }
01569 
01570             /* Notify on success. */
01571             (void) fsmNext(fsm, FSM_NOTIFY);
01572 
01573             if (fsmNext(fsm, FSM_FINI))
01574                 /*@loopbreak@*/ break;
01575         }
01576 
01577         /* Flush partial sets of hard linked files. */
01578         if (!(fsm->mapFlags & CPIO_ALL_HARDLINKS)) {
01579             int nlink, j;
01580             while ((fsm->li = fsm->links) != NULL) {
01581                 fsm->links = fsm->li->next;
01582                 fsm->li->next = NULL;
01583 
01584                 /* Re-calculate link count for archive header. */
01585                 for (j = -1, nlink = 0, i = 0; i < fsm->li->nlink; i++) {
01586                     if (fsm->li->filex[i] < 0)
01587                         /*@innercontinue@*/ continue;
01588                     nlink++;
01589                     if (j == -1) j = i;
01590                 }
01591                 /* XXX force the contents out as well. */
01592 /*@-boundswrite@*/
01593                 if (j != 0) {
01594                     fsm->li->filex[0] = fsm->li->filex[j];
01595                     fsm->li->filex[j] = -1;
01596                 }
01597 /*@=boundswrite@*/
01598                 fsm->li->sb.st_nlink = nlink;
01599 
01600                 fsm->sb = fsm->li->sb;  /* structure assignment */
01601                 fsm->osb = fsm->sb;     /* structure assignment */
01602 
01603                 if (!rc) rc = writeLinkedFile(fsm);
01604 
01605                 fsm->li = freeHardLink(fsm->li);
01606             }
01607         }
01608 
01609         if (!rc)
01610             rc = fsmNext(fsm, FSM_TRAILER);
01611 
01612         break;
01613     case FSM_CREATE:
01614         {   rpmts ts = fsmGetTs(fsm);
01615 #define _tsmask (RPMTRANS_FLAG_PKGCOMMIT | RPMTRANS_FLAG_COMMIT)
01616             fsm->commit = ((ts && (rpmtsFlags(ts) & _tsmask) &&
01617                         fsm->goal != FSM_PKGCOMMIT) ? 0 : 1);
01618 #undef _tsmask
01619         }
01620         fsm->path = _free(fsm->path);
01621         fsm->opath = _free(fsm->opath);
01622         fsm->dnlx = _free(fsm->dnlx);
01623 
01624         fsm->ldn = _free(fsm->ldn);
01625         fsm->ldnalloc = fsm->ldnlen = 0;
01626 
01627         fsm->rdsize = fsm->wrsize = 0;
01628         fsm->rdbuf = fsm->rdb = _free(fsm->rdb);
01629         fsm->wrbuf = fsm->wrb = _free(fsm->wrb);
01630         if (fsm->goal == FSM_PKGINSTALL || fsm->goal == FSM_PKGBUILD) {
01631             fsm->rdsize = 8 * BUFSIZ;
01632             fsm->rdbuf = fsm->rdb = xmalloc(fsm->rdsize);
01633             fsm->wrsize = 8 * BUFSIZ;
01634             fsm->wrbuf = fsm->wrb = xmalloc(fsm->wrsize);
01635         }
01636 
01637         fsm->mkdirsdone = 0;
01638         fsm->ix = -1;
01639         fsm->links = NULL;
01640         fsm->li = NULL;
01641         errno = 0;      /* XXX get rid of EBADF */
01642 
01643         /* Detect and create directories not explicitly in package. */
01644         if (fsm->goal == FSM_PKGINSTALL) {
01645 /*@-compdef@*/
01646             rc = fsmNext(fsm, FSM_MKDIRS);
01647 /*@=compdef@*/
01648             if (!rc) fsm->mkdirsdone = 1;
01649         }
01650 
01651         break;
01652     case FSM_INIT:
01653         fsm->path = _free(fsm->path);
01654         fsm->postpone = 0;
01655         fsm->diskchecked = fsm->exists = 0;
01656         fsm->subdir = NULL;
01657         fsm->suffix = (fsm->sufbuf[0] != '\0' ? fsm->sufbuf : NULL);
01658         fsm->action = FA_UNKNOWN;
01659         fsm->osuffix = NULL;
01660         fsm->nsuffix = NULL;
01661 
01662         if (fsm->goal == FSM_PKGINSTALL) {
01663             /* Read next header from payload, checking for end-of-payload. */
01664             rc = fsmUNSAFE(fsm, FSM_NEXT);
01665         }
01666         if (rc) break;
01667 
01668         /* Identify mapping index. */
01669         fsm->ix = ((fsm->goal == FSM_PKGINSTALL)
01670                 ? mapFind(fsm->iter, fsm->path) : mapNextIterator(fsm->iter));
01671 
01672         /* Detect end-of-loop and/or mapping error. */
01673         if (fsm->ix < 0) {
01674             if (fsm->goal == FSM_PKGINSTALL) {
01675 #if 0
01676                 rpmMessage(RPMMESS_WARNING,
01677                     _("archive file %s was not found in header file list\n"),
01678                         fsm->path);
01679 #endif
01680 /*@-boundswrite@*/
01681                 if (fsm->failedFile && *fsm->failedFile == NULL)
01682                     *fsm->failedFile = xstrdup(fsm->path);
01683 /*@=boundswrite@*/
01684                 rc = CPIOERR_UNMAPPED_FILE;
01685             } else {
01686                 rc = CPIOERR_HDR_TRAILER;
01687             }
01688             break;
01689         }
01690 
01691         /* On non-install, mode must be known so that dirs don't get suffix. */
01692         if (fsm->goal != FSM_PKGINSTALL) {
01693             rpmfi fi = fsmGetFi(fsm);
01694             st->st_mode = fi->fmodes[fsm->ix];
01695         }
01696 
01697         /* Generate file path. */
01698         rc = fsmNext(fsm, FSM_MAP);
01699         if (rc) break;
01700 
01701         /* Perform lstat/stat for disk file. */
01702 #ifdef  NOTYET
01703         rc = fsmStat(fsm);
01704 #else
01705         if (fsm->path != NULL &&
01706             !(fsm->goal == FSM_PKGINSTALL && S_ISREG(st->st_mode)))
01707         {
01708             rc = fsmUNSAFE(fsm, (!(fsm->mapFlags & CPIO_FOLLOW_SYMLINKS)
01709                         ? FSM_LSTAT : FSM_STAT));
01710             if (rc == CPIOERR_ENOENT) {
01711                 errno = saveerrno;
01712                 rc = 0;
01713                 fsm->exists = 0;
01714             } else if (rc == 0) {
01715                 fsm->exists = 1;
01716             }
01717         } else {
01718             /* Skip %ghost files on build. */
01719             fsm->exists = 0;
01720         }
01721 #endif
01722         fsm->diskchecked = 1;
01723         if (rc) break;
01724 
01725         /* On non-install, the disk file stat is what's remapped. */
01726 /*@-boundswrite@*/
01727         if (fsm->goal != FSM_PKGINSTALL)
01728             *st = *ost;                 /* structure assignment */
01729 /*@=boundswrite@*/
01730 
01731         /* Remap file perms, owner, and group. */
01732         rc = fsmMapAttrs(fsm);
01733         if (rc) break;
01734 
01735         fsm->postpone = XFA_SKIPPING(fsm->action);
01736         if (fsm->goal == FSM_PKGINSTALL || fsm->goal == FSM_PKGBUILD) {
01737             /*@-evalorder@*/ /* FIX: saveHardLink can modify fsm */
01738             if (!S_ISDIR(st->st_mode) && st->st_nlink > 1)
01739                 fsm->postpone = saveHardLink(fsm);
01740             /*@=evalorder@*/
01741         }
01742         break;
01743     case FSM_PRE:
01744         break;
01745     case FSM_MAP:
01746         rc = fsmMapPath(fsm);
01747         break;
01748     case FSM_MKDIRS:
01749         rc = fsmMkdirs(fsm);
01750         break;
01751     case FSM_RMDIRS:
01752         if (fsm->dnlx)
01753             rc = fsmRmdirs(fsm);
01754         break;
01755     case FSM_PROCESS:
01756         if (fsm->postpone) {
01757             if (fsm->goal == FSM_PKGINSTALL)
01758                 rc = fsmNext(fsm, FSM_EAT);
01759             break;
01760         }
01761 
01762         if (fsm->goal == FSM_PKGBUILD) {
01763             if (fsm->fflags & RPMFILE_GHOST) /* XXX Don't if %ghost file. */
01764                 break;
01765             if (!S_ISDIR(st->st_mode) && st->st_nlink > 1) {
01766                 struct hardLink_s * li, * prev;
01767 
01768 if (!(fsm->mapFlags & CPIO_ALL_HARDLINKS)) break;
01769                 rc = writeLinkedFile(fsm);
01770                 if (rc) break;  /* W2DO? */
01771 
01772                 for (li = fsm->links, prev = NULL; li; prev = li, li = li->next)
01773                      if (li == fsm->li)
01774                         /*@loopbreak@*/ break;
01775 
01776                 if (prev == NULL)
01777                     fsm->links = fsm->li->next;
01778                 else
01779                     prev->next = fsm->li->next;
01780                 fsm->li->next = NULL;
01781                 fsm->li = freeHardLink(fsm->li);
01782             } else {
01783                 rc = writeFile(fsm, 1);
01784             }
01785             break;
01786         }
01787 
01788         if (fsm->goal != FSM_PKGINSTALL)
01789             break;
01790 
01791         if (S_ISREG(st->st_mode)) {
01792             const char * path = fsm->path;
01793             if (fsm->osuffix)
01794                 fsm->path = fsmFsPath(fsm, st, NULL, NULL);
01795             rc = fsmUNSAFE(fsm, FSM_VERIFY);
01796 
01797             if (rc == 0 && fsm->osuffix) {
01798                 const char * opath = fsm->opath;
01799                 fsm->opath = fsm->path;
01800                 fsm->path = fsmFsPath(fsm, st, NULL, fsm->osuffix);
01801                 rc = fsmNext(fsm, FSM_RENAME);
01802                 if (!rc)
01803                     rpmMessage(RPMMESS_WARNING,
01804                         _("%s saved as %s\n"),
01805                                 (fsm->opath ? fsm->opath : ""),
01806                                 (fsm->path ? fsm->path : ""));
01807                 fsm->path = _free(fsm->path);
01808                 fsm->opath = opath;
01809             }
01810 
01811             /*@-dependenttrans@*/
01812             fsm->path = path;
01813             /*@=dependenttrans@*/
01814             if (!(rc == CPIOERR_ENOENT)) return rc;
01815             rc = expandRegular(fsm);
01816         } else if (S_ISDIR(st->st_mode)) {
01817             mode_t st_mode = st->st_mode;
01818             rc = fsmUNSAFE(fsm, FSM_VERIFY);
01819             if (rc == CPIOERR_ENOENT) {
01820                 st->st_mode &= ~07777;          /* XXX abuse st->st_mode */
01821                 st->st_mode |=  00700;
01822                 rc = fsmNext(fsm, FSM_MKDIR);
01823                 st->st_mode = st_mode;          /* XXX restore st->st_mode */
01824             }
01825         } else if (S_ISLNK(st->st_mode)) {
01826             const char * opath = fsm->opath;
01827 
01828             if ((st->st_size + 1) > fsm->rdsize) {
01829                 rc = CPIOERR_HDR_SIZE;
01830                 break;
01831             }
01832 
01833             fsm->wrlen = st->st_size;
01834             rc = fsmNext(fsm, FSM_DREAD);
01835             if (!rc && fsm->rdnb != fsm->wrlen)
01836                 rc = CPIOERR_READ_FAILED;
01837             if (rc) break;
01838 
01839 /*@-boundswrite@*/
01840             fsm->wrbuf[st->st_size] = '\0';
01841 /*@=boundswrite@*/
01842             /* XXX symlink(fsm->opath, fsm->path) */
01843             /*@-dependenttrans@*/
01844             fsm->opath = fsm->wrbuf;
01845             /*@=dependenttrans@*/
01846             rc = fsmUNSAFE(fsm, FSM_VERIFY);
01847             if (rc == CPIOERR_ENOENT)
01848                 rc = fsmNext(fsm, FSM_SYMLINK);
01849             fsm->opath = opath;         /* XXX restore fsm->path */
01850         } else if (S_ISFIFO(st->st_mode)) {
01851             mode_t st_mode = st->st_mode;
01852             /* This mimics cpio S_ISSOCK() behavior but probably isnt' right */
01853             rc = fsmUNSAFE(fsm, FSM_VERIFY);
01854             if (rc == CPIOERR_ENOENT) {
01855                 st->st_mode = 0000;             /* XXX abuse st->st_mode */
01856                 rc = fsmNext(fsm, FSM_MKFIFO);
01857                 st->st_mode = st_mode;  /* XXX restore st->st_mode */
01858             }
01859         } else if (S_ISCHR(st->st_mode) ||
01860                    S_ISBLK(st->st_mode) ||
01861     /*@-unrecog@*/ S_ISSOCK(st->st_mode) /*@=unrecog@*/)
01862         {
01863             rc = fsmUNSAFE(fsm, FSM_VERIFY);
01864             if (rc == CPIOERR_ENOENT)
01865                 rc = fsmNext(fsm, FSM_MKNOD);
01866         } else {
01867             /* XXX Special case /dev/log, which shouldn't be packaged anyways */
01868             if (!IS_DEV_LOG(fsm->path))
01869                 rc = CPIOERR_UNKNOWN_FILETYPE;
01870         }
01871         if (!S_ISDIR(st->st_mode) && st->st_nlink > 1) {
01872             fsm->li->createdPath = fsm->li->linkIndex;
01873             rc = fsmMakeLinks(fsm);
01874         }
01875         break;
01876     case FSM_POST:
01877         break;
01878     case FSM_MKLINKS:
01879         rc = fsmMakeLinks(fsm);
01880         break;
01881     case FSM_NOTIFY:            /* XXX move from fsm to psm -> tsm */
01882         if (fsm->goal == FSM_PKGINSTALL || fsm->goal == FSM_PKGBUILD) {
01883             rpmts ts = fsmGetTs(fsm);
01884             rpmfi fi = fsmGetFi(fsm);
01885             void * ptr;
01886             unsigned int archivePos = fdGetCpioPos(fsm->cfd);
01887             if (archivePos > fi->archivePos) {
01888                 fi->archivePos = archivePos;
01889                 ptr = rpmtsNotify(ts, fi->te, RPMCALLBACK_INST_PROGRESS,
01890                         fi->archivePos, fi->archiveSize);
01891             }
01892         }
01893         break;
01894     case FSM_UNDO:
01895         if (fsm->postpone)
01896             break;
01897         if (fsm->goal == FSM_PKGINSTALL) {
01898             /* XXX only erase if temp fn w suffix is in use */
01899             if (fsm->sufbuf[0] != '\0')
01900                 (void) fsmNext(fsm,
01901                     (S_ISDIR(st->st_mode) ? FSM_RMDIR : FSM_UNLINK));
01902 
01903 #ifdef  NOTYET  /* XXX remove only dirs just created, not all. */
01904             if (fsm->dnlx)
01905                 (void) fsmNext(fsm, FSM_RMDIRS);
01906 #endif
01907             errno = saveerrno;
01908         }
01909 /*@-boundswrite@*/
01910         if (fsm->failedFile && *fsm->failedFile == NULL)
01911             *fsm->failedFile = xstrdup(fsm->path);
01912 /*@=boundswrite@*/
01913         break;
01914     case FSM_FINI:
01915         if (!fsm->postpone && fsm->commit) {
01916             if (fsm->goal == FSM_PKGINSTALL)
01917                 rc = ((!S_ISDIR(st->st_mode) && st->st_nlink > 1)
01918                         ? fsmCommitLinks(fsm) : fsmNext(fsm, FSM_COMMIT));
01919             if (fsm->goal == FSM_PKGCOMMIT)
01920                 rc = fsmNext(fsm, FSM_COMMIT);
01921             if (fsm->goal == FSM_PKGERASE)
01922                 rc = fsmNext(fsm, FSM_COMMIT);
01923         }
01924         fsm->path = _free(fsm->path);
01925         fsm->opath = _free(fsm->opath);
01926 /*@-boundswrite@*/
01927         memset(st, 0, sizeof(*st));
01928         memset(ost, 0, sizeof(*ost));
01929 /*@=boundswrite@*/
01930         break;
01931     case FSM_COMMIT:
01932         /* Rename pre-existing modified or unmanaged file. */
01933         if (fsm->osuffix && fsm->diskchecked &&
01934           (fsm->exists || (fsm->goal == FSM_PKGINSTALL && S_ISREG(st->st_mode))))
01935         {
01936             const char * opath = fsm->opath;
01937             const char * path = fsm->path;
01938             fsm->opath = fsmFsPath(fsm, st, NULL, NULL);
01939             fsm->path = fsmFsPath(fsm, st, NULL, fsm->osuffix);
01940             rc = fsmNext(fsm, FSM_RENAME);
01941             if (!rc) {
01942                 rpmMessage(RPMMESS_WARNING, _("%s saved as %s\n"),
01943                                 (fsm->opath ? fsm->opath : ""),
01944                                 (fsm->path ? fsm->path : ""));
01945             }
01946             fsm->path = _free(fsm->path);
01947             fsm->path = path;
01948             fsm->opath = _free(fsm->opath);
01949             fsm->opath = opath;
01950         }
01951 
01952         /* Remove erased files. */
01953         if (fsm->goal == FSM_PKGERASE) {
01954             if (fsm->action == FA_ERASE) {
01955                 rpmfi fi = fsmGetFi(fsm);
01956                 if (S_ISDIR(st->st_mode)) {
01957                     rc = fsmNext(fsm, FSM_RMDIR);
01958                     if (!rc) break;
01959                     switch (rc) {
01960                     case CPIOERR_ENOENT: /* XXX rmdir("/") linux 2.2.x kernel hack */
01961                     case CPIOERR_ENOTEMPTY:
01962         /* XXX make sure that build side permits %missingok on directories. */
01963                         if (fsm->fflags & RPMFILE_MISSINGOK)
01964                             /*@innerbreak@*/ break;
01965 
01966                         /* XXX common error message. */
01967                         rpmError(
01968                             (strict_erasures ? RPMERR_RMDIR : RPMDEBUG_RMDIR),
01969                             _("%s rmdir of %s failed: Directory not empty\n"), 
01970                                 rpmfiTypeString(fi), fsm->path);
01971                         /*@innerbreak@*/ break;
01972                     default:
01973                         rpmError(
01974                             (strict_erasures ? RPMERR_RMDIR : RPMDEBUG_RMDIR),
01975                                 _("%s rmdir of %s failed: %s\n"),
01976                                 rpmfiTypeString(fi), fsm->path, strerror(errno));
01977                         /*@innerbreak@*/ break;
01978                     }
01979                 } else {
01980                     rc = fsmNext(fsm, FSM_UNLINK);
01981                     if (!rc) break;
01982                     switch (rc) {
01983                     case CPIOERR_ENOENT:
01984                         if (fsm->fflags & RPMFILE_MISSINGOK)
01985                             /*@innerbreak@*/ break;
01986                         /*@fallthrough@*/
01987                     default:
01988                         rpmError(
01989                             (strict_erasures ? RPMERR_UNLINK : RPMDEBUG_UNLINK),
01990                                 _("%s unlink of %s failed: %s\n"),
01991                                 rpmfiTypeString(fi), fsm->path, strerror(errno));
01992                         /*@innerbreak@*/ break;
01993                     }
01994                 }
01995             }
01996             /* XXX Failure to remove is not (yet) cause for failure. */
01997             if (!strict_erasures) rc = 0;
01998             break;
01999         }
02000 
02001         /* XXX Special case /dev/log, which shouldn't be packaged anyways */
02002         if (!S_ISSOCK(st->st_mode) && !IS_DEV_LOG(fsm->path)) {
02003             /* Rename temporary to final file name. */
02004             if (!S_ISDIR(st->st_mode) &&
02005                 (fsm->subdir || fsm->suffix || fsm->nsuffix))
02006             {
02007                 fsm->opath = fsm->path;
02008                 fsm->path = fsmFsPath(fsm, st, NULL, fsm->nsuffix);
02009                 rc = fsmNext(fsm, FSM_RENAME);
02010                 if (!rc && fsm->nsuffix) {
02011                     const char * opath = fsmFsPath(fsm, st, NULL, NULL);
02012                     rpmMessage(RPMMESS_WARNING, _("%s created as %s\n"),
02013                                 (opath ? opath : ""),
02014                                 (fsm->path ? fsm->path : ""));
02015                     opath = _free(opath);
02016                 }
02017                 fsm->opath = _free(fsm->opath);
02018             }
02019             /*
02020              * Set file security context (if not disabled).
02021              */
02022             if (!rc && !getuid()) {
02023                 int internal = fsmMapFContext(fsm);
02024                 rc = fsmNext(fsm, FSM_LSETFCON);
02025                 if (!internal) {
02026                     freecon(fsm->fcontext);
02027                 }
02028                 fsm->fcontext = NULL;
02029             }
02030             if (S_ISLNK(st->st_mode)) {
02031                 if (!rc && !getuid())
02032                     rc = fsmNext(fsm, FSM_LCHOWN);
02033             } else {
02034                 if (!rc && !getuid())
02035                     rc = fsmNext(fsm, FSM_CHOWN);
02036                 if (!rc)
02037                     rc = fsmNext(fsm, FSM_CHMOD);
02038                 if (!rc) {
02039                     time_t mtime = st->st_mtime;
02040                     rpmfi fi = fsmGetFi(fsm);
02041                     if (fi->fmtimes)
02042                         st->st_mtime = fi->fmtimes[fsm->ix];
02043                     rc = fsmNext(fsm, FSM_UTIME);
02044                     st->st_mtime = mtime;
02045                 }
02046             }
02047         }
02048 
02049         /* Notify on success. */
02050         if (!rc)                rc = fsmNext(fsm, FSM_NOTIFY);
02051         else if (fsm->failedFile && *fsm->failedFile == NULL) {
02052 /*@-boundswrite@*/
02053             *fsm->failedFile = fsm->path;
02054 /*@=boundswrite@*/
02055             fsm->path = NULL;
02056         }
02057         break;
02058     case FSM_DESTROY:
02059         fsm->path = _free(fsm->path);
02060 
02061         /* Check for hard links missing from payload. */
02062         while ((fsm->li = fsm->links) != NULL) {
02063             fsm->links = fsm->li->next;
02064             fsm->li->next = NULL;
02065             if (fsm->goal == FSM_PKGINSTALL &&
02066                         fsm->commit && fsm->li->linksLeft)
02067             {
02068                 for (i = 0 ; i < fsm->li->linksLeft; i++) {
02069                     if (fsm->li->filex[i] < 0)
02070                         /*@innercontinue@*/ continue;
02071                     rc = CPIOERR_MISSING_HARDLINK;
02072                     if (fsm->failedFile && *fsm->failedFile == NULL) {
02073                         fsm->ix = fsm->li->filex[i];
02074                         if (!fsmNext(fsm, FSM_MAP)) {
02075 /*@-boundswrite@*/
02076                             *fsm->failedFile = fsm->path;
02077 /*@=boundswrite@*/
02078                             fsm->path = NULL;
02079                         }
02080                     }
02081                     /*@loopbreak@*/ break;
02082                 }
02083             }
02084             if (fsm->goal == FSM_PKGBUILD &&
02085                 (fsm->mapFlags & CPIO_ALL_HARDLINKS))
02086             {
02087                 rc = CPIOERR_MISSING_HARDLINK;
02088             }
02089             fsm->li = freeHardLink(fsm->li);
02090         }
02091         fsm->ldn = _free(fsm->ldn);
02092         fsm->ldnalloc = fsm->ldnlen = 0;
02093         fsm->rdbuf = fsm->rdb = _free(fsm->rdb);
02094         fsm->wrbuf = fsm->wrb = _free(fsm->wrb);
02095         break;
02096     case FSM_VERIFY:
02097         if (fsm->diskchecked && !fsm->exists) {
02098             rc = CPIOERR_ENOENT;
02099             break;
02100         }
02101         if (S_ISREG(st->st_mode)) {
02102             char * path = alloca(strlen(fsm->path) + sizeof("-RPMDELETE"));
02103 /*@-boundswrite@*/
02104             (void) stpcpy( stpcpy(path, fsm->path), "-RPMDELETE");
02105 /*@=boundswrite@*/
02106             /*
02107              * XXX HP-UX (and other os'es) don't permit unlink on busy
02108              * XXX files.
02109              */
02110             fsm->opath = fsm->path;
02111             fsm->path = path;
02112             rc = fsmNext(fsm, FSM_RENAME);
02113             if (!rc)
02114                     (void) fsmNext(fsm, FSM_UNLINK);
02115             else
02116                     rc = CPIOERR_UNLINK_FAILED;
02117             fsm->path = fsm->opath;
02118             fsm->opath = NULL;
02119             return (rc ? rc : CPIOERR_ENOENT);  /* XXX HACK */
02120             /*@notreached@*/ break;
02121         } else if (S_ISDIR(st->st_mode)) {
02122             if (S_ISDIR(ost->st_mode))          return 0;
02123             if (S_ISLNK(ost->st_mode)) {
02124                 rc = fsmUNSAFE(fsm, FSM_STAT);
02125                 if (rc == CPIOERR_ENOENT) rc = 0;
02126                 if (rc) break;
02127                 errno = saveerrno;
02128                 if (S_ISDIR(ost->st_mode))      return 0;
02129             }
02130         } else if (S_ISLNK(st->st_mode)) {
02131             if (S_ISLNK(ost->st_mode)) {
02132         /* XXX NUL terminated result in fsm->rdbuf, len in fsm->rdnb. */
02133                 rc = fsmUNSAFE(fsm, FSM_READLINK);
02134                 errno = saveerrno;
02135                 if (rc) break;
02136                 if (!strcmp(fsm->opath, fsm->rdbuf))    return 0;
02137             }
02138         } else if (S_ISFIFO(st->st_mode)) {
02139             if (S_ISFIFO(ost->st_mode))         return 0;
02140         } else if (S_ISCHR(st->st_mode) || S_ISBLK(st->st_mode)) {
02141             if ((S_ISCHR(ost->st_mode) || S_ISBLK(ost->st_mode)) &&
02142                 (ost->st_rdev == st->st_rdev))  return 0;
02143         } else if (S_ISSOCK(st->st_mode)) {
02144             if (S_ISSOCK(ost->st_mode))         return 0;
02145         }
02146             /* XXX shouldn't do this with commit/undo. */
02147         rc = 0;
02148         if (fsm->stage == FSM_PROCESS) rc = fsmNext(fsm, FSM_UNLINK);
02149         if (rc == 0)    rc = CPIOERR_ENOENT;
02150         return (rc ? rc : CPIOERR_ENOENT);      /* XXX HACK */
02151         /*@notreached@*/ break;
02152 
02153     case FSM_UNLINK:
02154         removeSBITS(fsm->path);
02155         rc = Unlink(fsm->path);
02156         if (_fsm_debug && (stage & FSM_SYSCALL))
02157             rpmMessage(RPMMESS_DEBUG, " %8s (%s) %s\n", cur,
02158                 fsm->path, (rc < 0 ? strerror(errno) : ""));
02159         if (rc < 0)
02160             rc = (errno == ENOENT ? CPIOERR_ENOENT : CPIOERR_UNLINK_FAILED);
02161         break;
02162     case FSM_RENAME:
02163         removeSBITS(fsm->path);
02164         rc = Rename(fsm->opath, fsm->path);
02165 #if defined(ETXTBSY)
02166         if (rc && errno == ETXTBSY) {
02167             char * path = alloca(strlen(fsm->path) + sizeof("-RPMDELETE"));
02168             (void) stpcpy( stpcpy(path, fsm->path), "-RPMDELETE");
02169             /*
02170              * XXX HP-UX (and other os'es) don't permit rename to busy
02171              * XXX files.
02172              */
02173             rc = Rename(fsm->path, path);
02174             if (!rc) rc = Rename(fsm->opath, fsm->path);
02175         }
02176 #endif
02177         if (_fsm_debug && (stage & FSM_SYSCALL))
02178             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %s) %s\n", cur,
02179                 fsm->opath, fsm->path, (rc < 0 ? strerror(errno) : ""));
02180         if (rc < 0)     rc = CPIOERR_RENAME_FAILED;
02181         break;
02182     case FSM_MKDIR:
02183         rc = Mkdir(fsm->path, (st->st_mode & 07777));
02184         if (_fsm_debug && (stage & FSM_SYSCALL))
02185             rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0%04o) %s\n", cur,
02186                 fsm->path, (unsigned)(st->st_mode & 07777),
02187                 (rc < 0 ? strerror(errno) : ""));
02188         if (rc < 0)     rc = CPIOERR_MKDIR_FAILED;
02189         break;
02190     case FSM_RMDIR:
02191         rc = Rmdir(fsm->path);
02192         if (_fsm_debug && (stage & FSM_SYSCALL))
02193             rpmMessage(RPMMESS_DEBUG, " %8s (%s) %s\n", cur,
02194                 fsm->path, (rc < 0 ? strerror(errno) : ""));
02195         if (rc < 0)
02196             switch (errno) {
02197             case ENOENT:        rc = CPIOERR_ENOENT;    /*@switchbreak@*/ break;
02198             case ENOTEMPTY:     rc = CPIOERR_ENOTEMPTY; /*@switchbreak@*/ break;
02199             default:            rc = CPIOERR_RMDIR_FAILED; /*@switchbreak@*/ break;
02200             }
02201         break;
02202     case FSM_LSETFCON:
02203         if (fsm->fcontext == NULL || *fsm->fcontext == '\0'
02204          || !strcmp(fsm->fcontext, "<<none>>"))
02205             break;
02206         rc = lsetfilecon(fsm->path, (security_context_t)fsm->fcontext);
02207         if (_fsm_debug && (stage & FSM_SYSCALL))
02208             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %s) %s\n", cur,
02209                 fsm->path, fsm->fcontext,
02210                 (rc < 0 ? strerror(errno) : ""));
02211         if (rc < 0) rc = (errno == EOPNOTSUPP ? 0 : CPIOERR_LSETFCON_FAILED);
02212         break;
02213     case FSM_CHOWN:
02214         rc = chown(fsm->path, st->st_uid, st->st_gid);
02215         if (_fsm_debug && (stage & FSM_SYSCALL))
02216             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %d, %d) %s\n", cur,
02217                 fsm->path, (int)st->st_uid, (int)st->st_gid,
02218                 (rc < 0 ? strerror(errno) : ""));
02219         if (rc < 0)     rc = CPIOERR_CHOWN_FAILED;
02220         break;
02221     case FSM_LCHOWN:
02222 #if ! CHOWN_FOLLOWS_SYMLINK
02223         rc = lchown(fsm->path, st->st_uid, st->st_gid);
02224         if (_fsm_debug && (stage & FSM_SYSCALL))
02225             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %d, %d) %s\n", cur,
02226                 fsm->path, (int)st->st_uid, (int)st->st_gid,
02227                 (rc < 0 ? strerror(errno) : ""));
02228         if (rc < 0)     rc = CPIOERR_CHOWN_FAILED;
02229 #endif
02230         break;
02231     case FSM_CHMOD:
02232         rc = chmod(fsm->path, (st->st_mode & 07777));
02233         if (_fsm_debug && (stage & FSM_SYSCALL))
02234             rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0%04o) %s\n", cur,
02235                 fsm->path, (unsigned)(st->st_mode & 07777),
02236                 (rc < 0 ? strerror(errno) : ""));
02237         if (rc < 0)     rc = CPIOERR_CHMOD_FAILED;
02238         break;
02239     case FSM_UTIME:
02240         {   struct utimbuf stamp;
02241             stamp.actime = st->st_mtime;
02242             stamp.modtime = st->st_mtime;
02243             rc = utime(fsm->path, &stamp);
02244             if (_fsm_debug && (stage & FSM_SYSCALL))
02245                 rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0x%x) %s\n", cur,
02246                         fsm->path, (unsigned)st->st_mtime,
02247                         (rc < 0 ? strerror(errno) : ""));
02248             if (rc < 0) rc = CPIOERR_UTIME_FAILED;
02249         }
02250         break;
02251     case FSM_SYMLINK:
02252         rc = symlink(fsm->opath, fsm->path);
02253         if (_fsm_debug && (stage & FSM_SYSCALL))
02254             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %s) %s\n", cur,
02255                 fsm->opath, fsm->path, (rc < 0 ? strerror(errno) : ""));
02256         if (rc < 0)     rc = CPIOERR_SYMLINK_FAILED;
02257         break;
02258     case FSM_LINK:
02259         rc = Link(fsm->opath, fsm->path);
02260         if (_fsm_debug && (stage & FSM_SYSCALL))
02261             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %s) %s\n", cur,
02262                 fsm->opath, fsm->path, (rc < 0 ? strerror(errno) : ""));
02263         if (rc < 0)     rc = CPIOERR_LINK_FAILED;
02264         break;
02265     case FSM_MKFIFO:
02266         rc = mkfifo(fsm->path, (st->st_mode & 07777));
02267         if (_fsm_debug && (stage & FSM_SYSCALL))
02268             rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0%04o) %s\n", cur,
02269                 fsm->path, (unsigned)(st->st_mode & 07777),
02270                 (rc < 0 ? strerror(errno) : ""));
02271         if (rc < 0)     rc = CPIOERR_MKFIFO_FAILED;
02272         break;
02273     case FSM_MKNOD:
02274         /*@-unrecog -portability @*/ /* FIX: check S_IFIFO or dev != 0 */
02275         rc = mknod(fsm->path, (st->st_mode & ~07777), st->st_rdev);
02276         /*@=unrecog =portability @*/
02277         if (_fsm_debug && (stage & FSM_SYSCALL))
02278             rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0%o, 0x%x) %s\n", cur,
02279                 fsm->path, (unsigned)(st->st_mode & ~07777),
02280                 (unsigned)st->st_rdev,
02281                 (rc < 0 ? strerror(errno) : ""));
02282         if (rc < 0)     rc = CPIOERR_MKNOD_FAILED;
02283         break;
02284     case FSM_LSTAT:
02285         rc = Lstat(fsm->path, ost);
02286         if (_fsm_debug && (stage & FSM_SYSCALL) && rc && errno != ENOENT)
02287             rpmMessage(RPMMESS_DEBUG, " %8s (%s, ost) %s\n", cur,
02288                 fsm->path, (rc < 0 ? strerror(errno) : ""));
02289         if (rc < 0) {
02290             rc = (errno == ENOENT ? CPIOERR_ENOENT : CPIOERR_LSTAT_FAILED);
02291             memset(ost, 0, sizeof(*ost));       /* XXX s390x hackery */
02292         }
02293         break;
02294     case FSM_STAT:
02295         rc = Stat(fsm->path, ost);
02296         if (_fsm_debug && (stage & FSM_SYSCALL) && rc && errno != ENOENT)
02297             rpmMessage(RPMMESS_DEBUG, " %8s (%s, ost) %s\n", cur,
02298                 fsm->path, (rc < 0 ? strerror(errno) : ""));
02299         if (rc < 0) {
02300             rc = (errno == ENOENT ? CPIOERR_ENOENT : CPIOERR_STAT_FAILED);
02301             memset(ost, 0, sizeof(*ost));       /* XXX s390x hackery */
02302         }
02303         break;
02304     case FSM_READLINK:
02305         /* XXX NUL terminated result in fsm->rdbuf, len in fsm->rdnb. */
02306 /*@-boundswrite@*/
02307         rc = Readlink(fsm->path, fsm->rdbuf, fsm->rdsize - 1);
02308 /*@=boundswrite@*/
02309         if (_fsm_debug && (stage & FSM_SYSCALL))
02310             rpmMessage(RPMMESS_DEBUG, " %8s (%s, rdbuf, %d) %s\n", cur,
02311                 fsm->path, (int)(fsm->rdsize -1), (rc < 0 ? strerror(errno) : ""));
02312         if (rc < 0)     rc = CPIOERR_READLINK_FAILED;
02313         else {
02314             fsm->rdnb = rc;
02315 /*@-boundswrite@*/
02316             fsm->rdbuf[fsm->rdnb] = '\0';
02317 /*@=boundswrite@*/
02318             rc = 0;
02319         }
02320         break;
02321     case FSM_CHROOT:
02322         break;
02323 
02324     case FSM_NEXT:
02325         rc = fsmUNSAFE(fsm, FSM_HREAD);
02326         if (rc) break;
02327         if (!strcmp(fsm->path, CPIO_TRAILER)) { /* Detect end-of-payload. */
02328             fsm->path = _free(fsm->path);
02329             rc = CPIOERR_HDR_TRAILER;
02330         }
02331         if (!rc)
02332             rc = fsmNext(fsm, FSM_POS);
02333         break;
02334     case FSM_EAT:
02335         for (left = st->st_size; left > 0; left -= fsm->rdnb) {
02336             fsm->wrlen = (left > fsm->wrsize ? fsm->wrsize : left);
02337             rc = fsmNext(fsm, FSM_DREAD);
02338             if (rc)
02339                 /*@loopbreak@*/ break;
02340         }
02341         break;
02342     case FSM_POS:
02343         left = (modulo - (fdGetCpioPos(fsm->cfd) % modulo)) % modulo;
02344         if (left) {
02345             fsm->wrlen = left;
02346             (void) fsmNext(fsm, FSM_DREAD);
02347         }
02348         break;
02349     case FSM_PAD:
02350         left = (modulo - (fdGetCpioPos(fsm->cfd) % modulo)) % modulo;
02351         if (left) {
02352 /*@-boundswrite@*/
02353             memset(fsm->rdbuf, 0, left);
02354 /*@=boundswrite@*/
02355             /* XXX DWRITE uses rdnb for I/O length. */
02356             fsm->rdnb = left;
02357             (void) fsmNext(fsm, FSM_DWRITE);
02358         }
02359         break;
02360     case FSM_TRAILER:
02361         rc = cpioTrailerWrite(fsm);
02362         break;
02363     case FSM_HREAD:
02364         rc = fsmNext(fsm, FSM_POS);
02365         if (!rc)
02366             rc = cpioHeaderRead(fsm, st);       /* Read next payload header. */
02367         break;
02368     case FSM_HWRITE:
02369         rc = cpioHeaderWrite(fsm, st);          /* Write next payload header. */
02370         break;
02371     case FSM_DREAD:
02372 /*@-boundswrite@*/
02373         fsm->rdnb = Fread(fsm->wrbuf, sizeof(*fsm->wrbuf), fsm->wrlen, fsm->cfd);
02374 /*@=boundswrite@*/
02375         if (_fsm_debug && (stage & FSM_SYSCALL))
02376             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %d, cfd)\trdnb %d\n",
02377                 cur, (fsm->wrbuf == fsm->wrb ? "wrbuf" : "mmap"),
02378                 (int)fsm->wrlen, (int)fsm->rdnb);
02379         if (fsm->rdnb != fsm->wrlen || Ferror(fsm->cfd))
02380             rc = CPIOERR_READ_FAILED;
02381         if (fsm->rdnb > 0)
02382             fdSetCpioPos(fsm->cfd, fdGetCpioPos(fsm->cfd) + fsm->rdnb);
02383         break;
02384     case FSM_DWRITE:
02385         fsm->wrnb = Fwrite(fsm->rdbuf, sizeof(*fsm->rdbuf), fsm->rdnb, fsm->cfd);
02386         if (_fsm_debug && (stage & FSM_SYSCALL))
02387             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %d, cfd)\twrnb %d\n",
02388                 cur, (fsm->rdbuf == fsm->rdb ? "rdbuf" : "mmap"),
02389                 (int)fsm->rdnb, (int)fsm->wrnb);
02390         if (fsm->rdnb != fsm->wrnb || Ferror(fsm->cfd))
02391             rc = CPIOERR_WRITE_FAILED;
02392         if (fsm->wrnb > 0)
02393             fdSetCpioPos(fsm->cfd, fdGetCpioPos(fsm->cfd) + fsm->wrnb);
02394         break;
02395 
02396     case FSM_ROPEN:
02397         fsm->rfd = Fopen(fsm->path, "r.ufdio");
02398         if (fsm->rfd == NULL || Ferror(fsm->rfd)) {
02399             if (fsm->rfd != NULL)       (void) fsmNext(fsm, FSM_RCLOSE);
02400             fsm->rfd = NULL;
02401             rc = CPIOERR_OPEN_FAILED;
02402             break;
02403         }
02404         if (_fsm_debug && (stage & FSM_SYSCALL))
02405             rpmMessage(RPMMESS_DEBUG, " %8s (%s, \"r\") rfd %p rdbuf %p\n", cur,
02406                 fsm->path, fsm->rfd, fsm->rdbuf);
02407         break;
02408     case FSM_READ:
02409 /*@-boundswrite@*/
02410         fsm->rdnb = Fread(fsm->rdbuf, sizeof(*fsm->rdbuf), fsm->rdlen, fsm->rfd);
02411 /*@=boundswrite@*/
02412         if (_fsm_debug && (stage & FSM_SYSCALL))
02413             rpmMessage(RPMMESS_DEBUG, " %8s (rdbuf, %d, rfd)\trdnb %d\n",
02414                 cur, (int)fsm->rdlen, (int)fsm->rdnb);
02415         if (fsm->rdnb != fsm->rdlen || Ferror(fsm->rfd))
02416             rc = CPIOERR_READ_FAILED;
02417         break;
02418     case FSM_RCLOSE:
02419         if (fsm->rfd != NULL) {
02420             if (_fsm_debug && (stage & FSM_SYSCALL))
02421                 rpmMessage(RPMMESS_DEBUG, " %8s (%p)\n", cur, fsm->rfd);
02422             (void) rpmswAdd(rpmtsOp(fsmGetTs(fsm), RPMTS_OP_DIGEST),
02423                         fdstat_op(fsm->rfd, FDSTAT_DIGEST));
02424             (void) Fclose(fsm->rfd);
02425             errno = saveerrno;
02426         }
02427         fsm->rfd = NULL;
02428         break;
02429     case FSM_WOPEN:
02430         /* Create the file with 000 permissions. */
02431         {
02432             mode_t old_umask = umask(0777);
02433             fsm->wfd = Fopen(fsm->path, "w.ufdio");
02434             umask(old_umask);
02435         }
02436         if (fsm->wfd == NULL || Ferror(fsm->wfd)) {
02437             if (fsm->wfd != NULL)       (void) fsmNext(fsm, FSM_WCLOSE);
02438             fsm->wfd = NULL;
02439             rc = CPIOERR_OPEN_FAILED;
02440         }
02441         if (_fsm_debug && (stage & FSM_SYSCALL))
02442             rpmMessage(RPMMESS_DEBUG, " %8s (%s, \"w\") wfd %p wrbuf %p\n", cur,
02443                 fsm->path, fsm->wfd, fsm->wrbuf);
02444         break;
02445     case FSM_WRITE:
02446         fsm->wrnb = Fwrite(fsm->wrbuf, sizeof(*fsm->wrbuf), fsm->rdnb, fsm->wfd);
02447         if (_fsm_debug && (stage & FSM_SYSCALL))
02448             rpmMessage(RPMMESS_DEBUG, " %8s (wrbuf, %d, wfd)\twrnb %d\n",
02449                 cur, (int)fsm->rdnb, (int)fsm->wrnb);
02450         if (fsm->rdnb != fsm->wrnb || Ferror(fsm->wfd))
02451             rc = CPIOERR_WRITE_FAILED;
02452         break;
02453     case FSM_WCLOSE:
02454         if (fsm->wfd != NULL) {
02455             if (_fsm_debug && (stage & FSM_SYSCALL))
02456                 rpmMessage(RPMMESS_DEBUG, " %8s (%p)\n", cur, fsm->wfd);
02457             (void) rpmswAdd(rpmtsOp(fsmGetTs(fsm), RPMTS_OP_DIGEST),
02458                         fdstat_op(fsm->wfd, FDSTAT_DIGEST));
02459             (void) Fclose(fsm->wfd);
02460             errno = saveerrno;
02461         }
02462         fsm->wfd = NULL;
02463         break;
02464 
02465     default:
02466         break;
02467     }
02468     /*@=branchstate@*/
02469 
02470     if (!(stage & FSM_INTERNAL)) {
02471         fsm->rc = (rc == CPIOERR_HDR_TRAILER ? 0 : rc);
02472     }
02473     return rc;
02474 }
02475 /*@=compmempass@*/
02476 /*@=boundsread@*/
02477 
02478 /*@obserever@*/ const char *const fileActionString(fileAction a)
02479 {
02480     switch (a) {
02481     case FA_UNKNOWN:    return "unknown";
02482     case FA_CREATE:     return "create";
02483     case FA_COPYOUT:    return "copyout";
02484     case FA_COPYIN:     return "copyin";
02485     case FA_BACKUP:     return "backup";
02486     case FA_SAVE:       return "save";
02487     case FA_SKIP:       return "skip";
02488     case FA_ALTNAME:    return "altname";
02489     case FA_ERASE:      return "erase";
02490     case FA_SKIPNSTATE: return "skipnstate";
02491     case FA_SKIPNETSHARED: return "skipnetshared";
02492     case FA_SKIPCOLOR:  return "skipcolor";
02493     default:            return "???";
02494     }
02495     /*@notreached@*/
02496 }
02497 
02498 /*@observer@*/ const char *const fileStageString(fileStage a) {
02499     switch(a) {
02500     case FSM_UNKNOWN:   return "unknown";
02501 
02502     case FSM_PKGINSTALL:return "INSTALL";
02503     case FSM_PKGERASE:  return "ERASE";
02504     case FSM_PKGBUILD:  return "BUILD";
02505     case FSM_PKGCOMMIT: return "COMMIT";
02506     case FSM_PKGUNDO:   return "UNDO";
02507 
02508     case FSM_CREATE:    return "create";
02509     case FSM_INIT:      return "init";
02510     case FSM_MAP:       return "map";
02511     case FSM_MKDIRS:    return "mkdirs";
02512     case FSM_RMDIRS:    return "rmdirs";
02513     case FSM_PRE:       return "pre";
02514     case FSM_PROCESS:   return "process";
02515     case FSM_POST:      return "post";
02516     case FSM_MKLINKS:   return "mklinks";
02517     case FSM_NOTIFY:    return "notify";
02518     case FSM_UNDO:      return "undo";
02519     case FSM_FINI:      return "fini";
02520     case FSM_COMMIT:    return "commit";
02521     case FSM_DESTROY:   return "destroy";
02522     case FSM_VERIFY:    return "verify";
02523 
02524     case FSM_UNLINK:    return "Unlink";
02525     case FSM_RENAME:    return "Rename";
02526     case FSM_MKDIR:     return "Mkdir";
02527     case FSM_RMDIR:     return "rmdir";
02528     case FSM_LSETFCON:  return "lsetfcon";
02529     case FSM_CHOWN:     return "chown";
02530     case FSM_LCHOWN:    return "lchown";
02531     case FSM_CHMOD:     return "chmod";
02532     case FSM_UTIME:     return "utime";
02533     case FSM_SYMLINK:   return "symlink";
02534     case FSM_LINK:      return "Link";
02535     case FSM_MKFIFO:    return "mkfifo";
02536     case FSM_MKNOD:     return "mknod";
02537     case FSM_LSTAT:     return "Lstat";
02538     case FSM_STAT:      return "Stat";
02539     case FSM_READLINK:  return "Readlink";
02540     case FSM_CHROOT:    return "chroot";
02541 
02542     case FSM_NEXT:      return "next";
02543     case FSM_EAT:       return "eat";
02544     case FSM_POS:       return "pos";
02545     case FSM_PAD:       return "pad";
02546     case FSM_TRAILER:   return "trailer";
02547     case FSM_HREAD:     return "hread";
02548     case FSM_HWRITE:    return "hwrite";
02549     case FSM_DREAD:     return "Fread";
02550     case FSM_DWRITE:    return "Fwrite";
02551 
02552     case FSM_ROPEN:     return "Fopen";
02553     case FSM_READ:      return "Fread";
02554     case FSM_RCLOSE:    return "Fclose";
02555     case FSM_WOPEN:     return "Fopen";
02556     case FSM_WRITE:     return "Fwrite";
02557     case FSM_WCLOSE:    return "Fclose";
02558 
02559     default:            return "???";
02560     }
02561     /*@noteached@*/
02562 }

Generated on 10 Dec 2014 for rpm by  doxygen 1.4.7