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) > 0)
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         }
00649     }
00650     return 0;
00651 }
00652 
00653 int fsmMapPath(FSM_t fsm)
00654 {
00655     rpmfi fi = fsmGetFi(fsm);   /* XXX const except for fstates */
00656     int rc = 0;
00657     int i;
00658 
00659     fsm->osuffix = NULL;
00660     fsm->nsuffix = NULL;
00661     fsm->astriplen = 0;
00662     fsm->action = FA_UNKNOWN;
00663     fsm->mapFlags = 0;
00664 
00665     i = fsm->ix;
00666     if (fi && i >= 0 && i < fi->fc) {
00667 
00668 /*@-boundsread@*/
00669         fsm->astriplen = fi->astriplen;
00670         fsm->action = (fi->actions ? fi->actions[i] : fi->action);
00671         fsm->fflags = (fi->fflags ? fi->fflags[i] : fi->flags);
00672         fsm->mapFlags = (fi->fmapflags ? fi->fmapflags[i] : fi->mapflags);
00673 
00674         /* src rpms have simple base name in payload. */
00675         fsm->dirName = fi->dnl[fi->dil[i]];
00676         fsm->baseName = fi->bnl[i];
00677 /*@=boundsread@*/
00678 
00679 /*@-boundswrite@*/
00680         switch (fsm->action) {
00681         case FA_SKIP:
00682             break;
00683         case FA_UNKNOWN:
00684             break;
00685 
00686         case FA_COPYOUT:
00687             break;
00688         case FA_COPYIN:
00689         case FA_CREATE:
00690 assert(rpmteType(fi->te) == TR_ADDED);
00691             break;
00692 
00693         case FA_SKIPNSTATE:
00694             if (fi->fstates && rpmteType(fi->te) == TR_ADDED)
00695                 fi->fstates[i] = RPMFILE_STATE_NOTINSTALLED;
00696             break;
00697 
00698         case FA_SKIPNETSHARED:
00699             if (fi->fstates && rpmteType(fi->te) == TR_ADDED)
00700                 fi->fstates[i] = RPMFILE_STATE_NETSHARED;
00701             break;
00702 
00703         case FA_SKIPCOLOR:
00704             if (fi->fstates && rpmteType(fi->te) == TR_ADDED)
00705                 fi->fstates[i] = RPMFILE_STATE_WRONGCOLOR;
00706             break;
00707 
00708         case FA_BACKUP:
00709             if (!(fsm->fflags & RPMFILE_GHOST)) /* XXX Don't if %ghost file. */
00710             switch (rpmteType(fi->te)) {
00711             case TR_ADDED:
00712                 fsm->osuffix = SUFFIX_RPMORIG;
00713                 /*@innerbreak@*/ break;
00714             case TR_REMOVED:
00715                 fsm->osuffix = SUFFIX_RPMSAVE;
00716                 /*@innerbreak@*/ break;
00717             }
00718             break;
00719 
00720         case FA_ALTNAME:
00721 assert(rpmteType(fi->te) == TR_ADDED);
00722             if (!(fsm->fflags & RPMFILE_GHOST)) /* XXX Don't if %ghost file. */
00723                 fsm->nsuffix = SUFFIX_RPMNEW;
00724             break;
00725 
00726         case FA_SAVE:
00727 assert(rpmteType(fi->te) == TR_ADDED);
00728             if (!(fsm->fflags & RPMFILE_GHOST)) /* XXX Don't if %ghost file. */
00729                 fsm->osuffix = SUFFIX_RPMSAVE;
00730             break;
00731         case FA_ERASE:
00732 #if 0   /* XXX is this a genhdlist fix? */
00733             assert(rpmteType(fi->te) == TR_REMOVED);
00734 #endif
00735             /*
00736              * XXX TODO: %ghost probably shouldn't be removed, but that changes
00737              * legacy rpm behavior.
00738              */
00739             break;
00740         default:
00741             break;
00742         }
00743 /*@=boundswrite@*/
00744 
00745         if ((fsm->mapFlags & CPIO_MAP_PATH) || fsm->nsuffix) {
00746             const struct stat * st = &fsm->sb;
00747             fsm->path = _free(fsm->path);
00748             fsm->path = fsmFsPath(fsm, st, fsm->subdir,
00749                 (fsm->suffix ? fsm->suffix : fsm->nsuffix));
00750         }
00751     }
00752     return rc;
00753 }
00754 
00755 int fsmMapAttrs(FSM_t fsm)
00756 {
00757     struct stat * st = &fsm->sb;
00758     rpmfi fi = fsmGetFi(fsm);
00759     int i = fsm->ix;
00760 
00761     if (fi && i >= 0 && i < fi->fc) {
00762         mode_t perms = (S_ISDIR(st->st_mode) ? fi->dperms : fi->fperms);
00763         mode_t finalMode = (fi->fmodes ? fi->fmodes[i] : perms);
00764         dev_t finalRdev = (fi->frdevs ? fi->frdevs[i] : 0);
00765         int_32 finalMtime = (fi->fmtimes ? fi->fmtimes[i] : 0);
00766         uid_t uid = fi->uid;
00767         gid_t gid = fi->gid;
00768 
00769         if (fi->fuser && unameToUid(fi->fuser[i], &uid)) {
00770             if (fsm->goal == FSM_PKGINSTALL)
00771                 rpmMessage(RPMMESS_WARNING,
00772                     _("user %s does not exist - using root\n"), fi->fuser[i]);
00773             uid = 0;
00774             finalMode &= ~S_ISUID;      /* turn off suid bit */
00775         }
00776 
00777         if (fi->fgroup && gnameToGid(fi->fgroup[i], &gid)) {
00778             if (fsm->goal == FSM_PKGINSTALL)
00779                 rpmMessage(RPMMESS_WARNING,
00780                     _("group %s does not exist - using root\n"), fi->fgroup[i]);
00781             gid = 0;
00782             finalMode &= ~S_ISGID;      /* turn off sgid bit */
00783         }
00784 
00785         if (fsm->mapFlags & CPIO_MAP_MODE)
00786             st->st_mode = (st->st_mode & S_IFMT) | (finalMode & ~S_IFMT);
00787         if (fsm->mapFlags & CPIO_MAP_TYPE) {
00788             st->st_mode = (st->st_mode & ~S_IFMT) | (finalMode & S_IFMT);
00789             if ((S_ISCHR(st->st_mode) || S_ISBLK(st->st_mode))
00790             && st->st_nlink == 0)
00791                 st->st_nlink = 1;
00792             st->st_rdev = finalRdev;
00793             st->st_mtime = finalMtime;
00794         }
00795         if (fsm->mapFlags & CPIO_MAP_UID)
00796             st->st_uid = uid;
00797         if (fsm->mapFlags & CPIO_MAP_GID)
00798             st->st_gid = gid;
00799 
00800         {   rpmts ts = fsmGetTs(fsm);
00801 
00802             /*
00803              * Set file md5 (if not disabled).
00804              */
00805             if (ts != NULL && !(rpmtsFlags(ts) & RPMTRANS_FLAG_NOMD5)) {
00806                 fsm->fmd5sum = (fi->fmd5s ? fi->fmd5s[i] : NULL);
00807                 fsm->md5sum = (fi->md5s ? (fi->md5s + (16 * i)) : NULL);
00808             } else {
00809                 fsm->fmd5sum = NULL;
00810                 fsm->md5sum = NULL;
00811             }
00812         }
00813 
00814     }
00815     return 0;
00816 }
00817 
00823 /*@-compdef@*/
00824 static int expandRegular(/*@special@*/ FSM_t fsm)
00825         /*@uses fsm->fmd5sum, fsm->md5sum, fsm->sb, fsm->wfd  @*/
00826         /*@globals h_errno, fileSystem, internalState @*/
00827         /*@modifies fsm, fileSystem, internalState @*/
00828 {
00829     const struct stat * st = &fsm->sb;
00830     int left = st->st_size;
00831     int rc = 0;
00832 
00833     rc = fsmNext(fsm, FSM_WOPEN);
00834     if (rc)
00835         goto exit;
00836 
00837     if (st->st_size > 0 && (fsm->fmd5sum != NULL || fsm->md5sum != NULL))
00838         fdInitDigest(fsm->wfd, PGPHASHALGO_MD5, 0);
00839 
00840     while (left) {
00841 
00842         fsm->wrlen = (left > fsm->wrsize ? fsm->wrsize : left);
00843         rc = fsmNext(fsm, FSM_DREAD);
00844         if (rc)
00845             goto exit;
00846 
00847         rc = fsmNext(fsm, FSM_WRITE);
00848         if (rc)
00849             goto exit;
00850 
00851         left -= fsm->wrnb;
00852 
00853         /* don't call this with fileSize == fileComplete */
00854         if (!rc && left)
00855             (void) fsmNext(fsm, FSM_NOTIFY);
00856     }
00857 
00858     if (st->st_size > 0 && (fsm->fmd5sum || fsm->md5sum)) {
00859         void * md5sum = NULL;
00860         int asAscii = (fsm->md5sum == NULL ? 1 : 0);
00861 
00862         (void) Fflush(fsm->wfd);
00863         fdFiniDigest(fsm->wfd, PGPHASHALGO_MD5, &md5sum, NULL, asAscii);
00864 
00865         if (md5sum == NULL) {
00866             rc = CPIOERR_MD5SUM_MISMATCH;
00867             goto exit;
00868         }
00869 
00870         if (fsm->md5sum != NULL) {
00871             if (memcmp(md5sum, fsm->md5sum, 16))
00872                 rc = CPIOERR_MD5SUM_MISMATCH;
00873         } else {
00874             if (strcmp(md5sum, fsm->fmd5sum))
00875                 rc = CPIOERR_MD5SUM_MISMATCH;
00876         }
00877         md5sum = _free(md5sum);
00878     }
00879 
00880 exit:
00881     (void) fsmNext(fsm, FSM_WCLOSE);
00882     return rc;
00883 }
00884 /*@=compdef@*/
00885 
00892 /*@-compdef -compmempass@*/
00893 static int writeFile(/*@special@*/ /*@partial@*/ FSM_t fsm, int writeData)
00894         /*@uses fsm->path, fsm->opath, fsm->sb, fsm->osb, fsm->cfd @*/
00895         /*@globals h_errno, fileSystem, internalState @*/
00896         /*@modifies fsm, fileSystem, internalState @*/
00897 {
00898     const char * path = fsm->path;
00899     const char * opath = fsm->opath;
00900     struct stat * st = &fsm->sb;
00901     struct stat * ost = &fsm->osb;
00902     char * symbuf = NULL;
00903     int left;
00904     int xx;
00905     int rc;
00906 
00907     st->st_size = (writeData ? ost->st_size : 0);
00908 
00909     /*@-branchstate@*/
00910     if (S_ISDIR(st->st_mode)) {
00911         st->st_size = 0;
00912     } else if (S_ISLNK(st->st_mode)) {
00913         /*
00914          * While linux puts the size of a symlink in the st_size field,
00915          * I don't think that's a specified standard.
00916          */
00917         /* XXX NUL terminated result in fsm->rdbuf, len in fsm->rdnb. */
00918         rc = fsmUNSAFE(fsm, FSM_READLINK);
00919         if (rc) goto exit;
00920         st->st_size = fsm->rdnb;
00921         symbuf = alloca_strdup(fsm->rdbuf);     /* XXX save readlink return. */
00922     }
00923     /*@=branchstate@*/
00924 
00925     if (fsm->mapFlags & CPIO_MAP_ABSOLUTE) {
00926 /*@-boundswrite@*/
00927         int nb = strlen(fsm->dirName) + strlen(fsm->baseName) + sizeof(".");
00928         char * t = alloca(nb);
00929         *t = '\0';
00930         fsm->path = t;
00931         if (fsm->mapFlags & CPIO_MAP_ADDDOT)
00932             *t++ = '.';
00933         t = stpcpy( stpcpy(t, fsm->dirName), fsm->baseName);
00934 /*@=boundswrite@*/
00935     } else if (fsm->mapFlags & CPIO_MAP_PATH) {
00936         rpmfi fi = fsmGetFi(fsm);
00937         fsm->path =
00938             (fi->apath ? fi->apath[fsm->ix] + fi->striplen : fi->bnl[fsm->ix]);
00939     }
00940 
00941     rc = fsmNext(fsm, FSM_HWRITE);
00942     fsm->path = path;
00943     if (rc) goto exit;
00944 
00945     if (writeData && S_ISREG(st->st_mode)) {
00946 #ifdef HAVE_MMAP
00947         char * rdbuf = NULL;
00948         void * mapped = (void *)-1;
00949         size_t nmapped;
00950 #endif
00951 
00952         rc = fsmNext(fsm, FSM_ROPEN);
00953         if (rc) goto exit;
00954 
00955         /* XXX unbuffered mmap generates *lots* of fdio debugging */
00956 #ifdef HAVE_MMAP
00957         nmapped = 0;
00958         mapped = mmap(NULL, st->st_size, PROT_READ, MAP_SHARED, Fileno(fsm->rfd), 0);
00959         if (mapped != (void *)-1) {
00960             rdbuf = fsm->rdbuf;
00961             fsm->rdbuf = (char *) mapped;
00962             fsm->rdlen = nmapped = st->st_size;
00963 #if defined(MADV_DONTNEED)
00964             xx = madvise(mapped, nmapped, MADV_DONTNEED);
00965 #endif
00966         }
00967 #endif
00968 
00969         left = st->st_size;
00970 
00971         while (left) {
00972 #ifdef HAVE_MMAP
00973           if (mapped != (void *)-1) {
00974             fsm->rdnb = nmapped;
00975           } else
00976 #endif
00977           {
00978             fsm->rdlen = (left > fsm->rdsize ? fsm->rdsize : left),
00979             rc = fsmNext(fsm, FSM_READ);
00980             if (rc) goto exit;
00981           }
00982 
00983             /* XXX DWRITE uses rdnb for I/O length. */
00984             rc = fsmNext(fsm, FSM_DWRITE);
00985             if (rc) goto exit;
00986 
00987             left -= fsm->wrnb;
00988         }
00989 
00990 #ifdef HAVE_MMAP
00991 /*@-branchstate@*/
00992         if (mapped != (void *)-1) {
00993             xx = msync(mapped, nmapped, MS_ASYNC);
00994 #if defined(MADV_DONTNEED)
00995             xx = madvise(mapped, nmapped, MADV_DONTNEED);
00996 #endif
00997 /*@-noeffect@*/
00998             xx = munmap(mapped, nmapped);
00999 /*@=noeffect@*/
01000             fsm->rdbuf = rdbuf;
01001         }
01002 /*@=branchstate@*/
01003 #endif
01004 
01005     } else if (writeData && S_ISLNK(st->st_mode)) {
01006         /* XXX DWRITE uses rdnb for I/O length. */
01007 /*@-boundswrite@*/
01008         strcpy(fsm->rdbuf, symbuf);     /* XXX restore readlink buffer. */
01009 /*@=boundswrite@*/
01010         fsm->rdnb = strlen(symbuf);
01011         rc = fsmNext(fsm, FSM_DWRITE);
01012         if (rc) goto exit;
01013     }
01014 
01015     rc = fsmNext(fsm, FSM_PAD);
01016     if (rc) goto exit;
01017 
01018     rc = 0;
01019 
01020 exit:
01021     if (fsm->rfd != NULL)
01022         (void) fsmNext(fsm, FSM_RCLOSE);
01023 /*@-dependenttrans@*/
01024     fsm->opath = opath;
01025     fsm->path = path;
01026 /*@=dependenttrans@*/
01027     return rc;
01028 }
01029 /*@=compdef =compmempass@*/
01030 
01036 static int writeLinkedFile(/*@special@*/ /*@partial@*/ FSM_t fsm)
01037         /*@uses fsm->path, fsm->nsuffix, fsm->ix, fsm->li, fsm->failedFile @*/
01038         /*@globals h_errno, fileSystem, internalState @*/
01039         /*@modifies fsm, fileSystem, internalState @*/
01040 {
01041     const char * path = fsm->path;
01042     const char * nsuffix = fsm->nsuffix;
01043     int iterIndex = fsm->ix;
01044     int ec = 0;
01045     int rc;
01046     int i;
01047 
01048     fsm->path = NULL;
01049     fsm->nsuffix = NULL;
01050     fsm->ix = -1;
01051 
01052 /*@-boundswrite@*/
01053 /*@-branchstate@*/
01054     for (i = fsm->li->nlink - 1; i >= 0; i--) {
01055 
01056         if (fsm->li->filex[i] < 0) continue;
01057 
01058         fsm->ix = fsm->li->filex[i];
01059 /*@-compdef@*/
01060         rc = fsmNext(fsm, FSM_MAP);
01061 /*@=compdef@*/
01062 
01063         /* Write data after last link. */
01064         rc = writeFile(fsm, (i == 0));
01065         if (fsm->failedFile && rc != 0 && *fsm->failedFile == NULL) {
01066             ec = rc;
01067             *fsm->failedFile = xstrdup(fsm->path);
01068         }
01069 
01070         fsm->path = _free(fsm->path);
01071         fsm->li->filex[i] = -1;
01072     }
01073 /*@=branchstate@*/
01074 /*@=boundswrite@*/
01075 
01076     fsm->ix = iterIndex;
01077     fsm->nsuffix = nsuffix;
01078     fsm->path = path;
01079     return ec;
01080 }
01081 
01087 /*@-boundsread@*/
01088 /*@-compdef@*/
01089 static int fsmMakeLinks(/*@special@*/ /*@partial@*/ FSM_t fsm)
01090         /*@uses fsm->path, fsm->opath, fsm->nsuffix, fsm->ix, fsm->li @*/
01091         /*@globals h_errno, fileSystem, internalState @*/
01092         /*@modifies fsm, fileSystem, internalState @*/
01093 {
01094     const char * path = fsm->path;
01095     const char * opath = fsm->opath;
01096     const char * nsuffix = fsm->nsuffix;
01097     int iterIndex = fsm->ix;
01098     int ec = 0;
01099     int rc;
01100     int i;
01101 
01102     fsm->path = NULL;
01103     fsm->opath = NULL;
01104     fsm->nsuffix = NULL;
01105     fsm->ix = -1;
01106 
01107     fsm->ix = fsm->li->filex[fsm->li->createdPath];
01108     rc = fsmNext(fsm, FSM_MAP);
01109     fsm->opath = fsm->path;
01110     fsm->path = NULL;
01111     /*@-branchstate@*/
01112     for (i = 0; i < fsm->li->nlink; i++) {
01113         if (fsm->li->filex[i] < 0) continue;
01114         if (fsm->li->createdPath == i) continue;
01115 
01116         fsm->ix = fsm->li->filex[i];
01117         fsm->path = _free(fsm->path);
01118         rc = fsmNext(fsm, FSM_MAP);
01119         if (XFA_SKIPPING(fsm->action)) continue;
01120 
01121         rc = fsmUNSAFE(fsm, FSM_VERIFY);
01122         if (!rc) continue;
01123         if (!(rc == CPIOERR_ENOENT)) break;
01124 
01125         /* XXX link(fsm->opath, fsm->path) */
01126         rc = fsmNext(fsm, FSM_LINK);
01127         if (fsm->failedFile && rc != 0 && *fsm->failedFile == NULL) {
01128             ec = rc;
01129 /*@-boundswrite@*/
01130             *fsm->failedFile = xstrdup(fsm->path);
01131 /*@=boundswrite@*/
01132         }
01133 
01134         fsm->li->linksLeft--;
01135     }
01136     /*@=branchstate@*/
01137     fsm->path = _free(fsm->path);
01138     fsm->opath = _free(fsm->opath);
01139 
01140     fsm->ix = iterIndex;
01141     fsm->nsuffix = nsuffix;
01142     fsm->path = path;
01143     fsm->opath = opath;
01144     return ec;
01145 }
01146 /*@=compdef@*/
01147 /*@=boundsread@*/
01148 
01154 /*@-compdef@*/
01155 static int fsmCommitLinks(/*@special@*/ /*@partial@*/ FSM_t fsm)
01156         /*@uses fsm->path, fsm->nsuffix, fsm->ix, fsm->sb,
01157                 fsm->li, fsm->links @*/
01158         /*@globals h_errno, fileSystem, internalState @*/
01159         /*@modifies fsm, fileSystem, internalState @*/
01160 {
01161     const char * path = fsm->path;
01162     const char * nsuffix = fsm->nsuffix;
01163     int iterIndex = fsm->ix;
01164     struct stat * st = &fsm->sb;
01165     int rc = 0;
01166     int i;
01167 
01168     fsm->path = NULL;
01169     fsm->nsuffix = NULL;
01170     fsm->ix = -1;
01171 
01172     /*@-branchstate@*/
01173     for (fsm->li = fsm->links; fsm->li; fsm->li = fsm->li->next) {
01174         if (fsm->li->sb.st_ino == st->st_ino && fsm->li->sb.st_dev == st->st_dev)
01175             break;
01176     }
01177     /*@=branchstate@*/
01178 
01179 /*@-boundswrite@*/
01180     for (i = 0; i < fsm->li->nlink; i++) {
01181         if (fsm->li->filex[i] < 0) continue;
01182         fsm->ix = fsm->li->filex[i];
01183         rc = fsmNext(fsm, FSM_MAP);
01184         if (!XFA_SKIPPING(fsm->action))
01185             rc = fsmNext(fsm, FSM_COMMIT);
01186         fsm->path = _free(fsm->path);
01187         fsm->li->filex[i] = -1;
01188     }
01189 /*@=boundswrite@*/
01190 
01191     fsm->ix = iterIndex;
01192     fsm->nsuffix = nsuffix;
01193     fsm->path = path;
01194     return rc;
01195 }
01196 /*@=compdef@*/
01197 
01203 static int fsmRmdirs(/*@special@*/ /*@partial@*/ FSM_t fsm)
01204         /*@uses fsm->path, fsm->dnlx, fsm->ldn, fsm->rdbuf, fsm->iter @*/
01205         /*@globals h_errno, fileSystem, internalState @*/
01206         /*@modifies fsm, fileSystem, internalState @*/
01207 {
01208     const char * path = fsm->path;
01209     void * dnli = dnlInitIterator(fsm, 1);
01210     char * dn = fsm->rdbuf;
01211     int dc = dnlCount(dnli);
01212     int rc = 0;
01213 
01214     fsm->path = NULL;
01215 /*@-boundswrite@*/
01216     dn[0] = '\0';
01217     /*@-observertrans -dependenttrans@*/
01218     if (fsm->ldn != NULL && fsm->dnlx != NULL)
01219     while ((fsm->path = dnlNextIterator(dnli)) != NULL) {
01220         int dnlen = strlen(fsm->path);
01221         char * te;
01222 
01223         dc = dnlIndex(dnli);
01224         if (fsm->dnlx[dc] < 1 || fsm->dnlx[dc] >= dnlen)
01225             continue;
01226 
01227         /* Copy to avoid const on fsm->path. */
01228         te = stpcpy(dn, fsm->path) - 1;
01229         fsm->path = dn;
01230 
01231         /* Remove generated directories. */
01232         /*@-usereleased@*/ /* LCL: te used after release? */
01233         do {
01234             if (*te == '/') {
01235                 *te = '\0';
01236 /*@-compdef@*/
01237                 rc = fsmNext(fsm, FSM_RMDIR);
01238 /*@=compdef@*/
01239                 *te = '/';
01240             }
01241             if (rc)
01242                 /*@innerbreak@*/ break;
01243             te--;
01244         } while ((te - fsm->path) > fsm->dnlx[dc]);
01245         /*@=usereleased@*/
01246     }
01247 /*@=boundswrite@*/
01248     dnli = dnlFreeIterator(dnli);
01249     /*@=observertrans =dependenttrans@*/
01250 
01251     fsm->path = path;
01252     return rc;
01253 }
01254 
01260 static int fsmMkdirs(/*@special@*/ /*@partial@*/ FSM_t fsm)
01261         /*@uses fsm->path, fsm->sb, fsm->osb, fsm->rdbuf, fsm->iter,
01262                 fsm->ldn, fsm->ldnlen, fsm->ldnalloc @*/
01263         /*@defines fsm->dnlx, fsm->ldn @*/
01264         /*@globals h_errno, fileSystem, internalState @*/
01265         /*@modifies fsm, fileSystem, internalState @*/
01266 {
01267     struct stat * st = &fsm->sb;
01268     struct stat * ost = &fsm->osb;
01269     const char * path = fsm->path;
01270     mode_t st_mode = st->st_mode;
01271     void * dnli = dnlInitIterator(fsm, 0);
01272     char * dn = fsm->rdbuf;
01273     int dc = dnlCount(dnli);
01274     int rc = 0;
01275     int i;
01276 /*@-compdef@*/
01277     rpmts ts = fsmGetTs(fsm);
01278 /*@=compdef@*/
01279     rpmsx sx = rpmtsREContext(ts);
01280 
01281     fsm->path = NULL;
01282 
01283 /*@-boundswrite@*/
01284     dn[0] = '\0';
01285     fsm->dnlx = (dc ? xcalloc(dc, sizeof(*fsm->dnlx)) : NULL);
01286     /*@-observertrans -dependenttrans@*/
01287     if (fsm->dnlx != NULL)
01288     while ((fsm->path = dnlNextIterator(dnli)) != NULL) {
01289         int dnlen = strlen(fsm->path);
01290         char * te;
01291 
01292         dc = dnlIndex(dnli);
01293         if (dc < 0) continue;
01294         fsm->dnlx[dc] = dnlen;
01295         if (dnlen <= 1)
01296             continue;
01297 
01298         /*@-compdef -nullpass@*/        /* FIX: fsm->ldn not defined ??? */
01299         if (dnlen <= fsm->ldnlen && !strcmp(fsm->path, fsm->ldn))
01300             continue;
01301         /*@=compdef =nullpass@*/
01302 
01303         /* Copy to avoid const on fsm->path. */
01304         (void) stpcpy(dn, fsm->path);
01305         fsm->path = dn;
01306 
01307         /* Assume '/' directory exists, "mkdir -p" for others if non-existent */
01308         for (i = 1, te = dn + 1; *te != '\0'; te++, i++) {
01309             if (*te != '/')
01310                 /*@innercontinue@*/ continue;
01311 
01312             *te = '\0';
01313 
01314             /* Already validated? */
01315             /*@-usedef -compdef -nullpass -nullderef@*/
01316             if (i < fsm->ldnlen &&
01317                 (fsm->ldn[i] == '/' || fsm->ldn[i] == '\0') &&
01318                 !strncmp(fsm->path, fsm->ldn, i))
01319             {
01320                 *te = '/';
01321                 /* Move pre-existing path marker forward. */
01322                 fsm->dnlx[dc] = (te - dn);
01323                 /*@innercontinue@*/ continue;
01324             }
01325             /*@=usedef =compdef =nullpass =nullderef@*/
01326 
01327             /* Validate next component of path. */
01328             rc = fsmUNSAFE(fsm, FSM_LSTAT);
01329             *te = '/';
01330 
01331             /* Directory already exists? */
01332             if (rc == 0 && S_ISDIR(ost->st_mode)) {
01333                 /* Move pre-existing path marker forward. */
01334                 fsm->dnlx[dc] = (te - dn);
01335             } else if (rc == CPIOERR_ENOENT) {
01336                 rpmfi fi = fsmGetFi(fsm);
01337                 *te = '\0';
01338                 st->st_mode = S_IFDIR | (fi->dperms & 07777);
01339                 rc = fsmNext(fsm, FSM_MKDIR);
01340                 if (!rc) {
01341                     /* XXX FIXME? only new dir will have context set. */
01342                     /* Get file security context from patterns. */
01343                     if (sx != NULL) {
01344                         fsm->fcontext = rpmsxFContext(sx, fsm->path, st->st_mode);
01345                         rc = fsmNext(fsm, FSM_LSETFCON);
01346                     }
01347                     if (fsm->fcontext == NULL)
01348                         rpmMessage(RPMMESS_DEBUG,
01349                             _("%s directory created with perms %04o, no context.\n"),
01350                             fsm->path, (unsigned)(st->st_mode & 07777));
01351                     else
01352                         rpmMessage(RPMMESS_DEBUG,
01353                             _("%s directory created with perms %04o, context %s.\n"),
01354                             fsm->path, (unsigned)(st->st_mode & 07777),
01355                             fsm->fcontext);
01356                     fsm->fcontext = NULL;
01357                 }
01358                 *te = '/';
01359             }
01360             if (rc)
01361                 /*@innerbreak@*/ break;
01362         }
01363         if (rc) break;
01364 
01365         /* Save last validated path. */
01366 /*@-compdef@*/ /* FIX: ldn/path annotations ? */
01367         if (fsm->ldnalloc < (dnlen + 1)) {
01368             fsm->ldnalloc = dnlen + 100;
01369             fsm->ldn = xrealloc(fsm->ldn, fsm->ldnalloc);
01370         }
01371         if (fsm->ldn != NULL) { /* XXX can't happen */
01372             strcpy(fsm->ldn, fsm->path);
01373             fsm->ldnlen = dnlen;
01374         }
01375 /*@=compdef@*/
01376     }
01377 /*@=boundswrite@*/
01378     dnli = dnlFreeIterator(dnli);
01379     sx = rpmsxFree(sx);
01380     /*@=observertrans =dependenttrans@*/
01381 
01382     fsm->path = path;
01383     st->st_mode = st_mode;              /* XXX restore st->st_mode */
01384 /*@-compdef@*/ /* FIX: ldn/path annotations ? */
01385     return rc;
01386 /*@=compdef@*/
01387 }
01388 
01389 #ifdef  NOTYET
01390 
01395 static int fsmStat(/*@special@*/ /*@partial@*/ FSM_t fsm)
01396         /*@globals fileSystem, internalState @*/
01397         /*@modifies fsm, fileSystem, internalState @*/
01398 {
01399     int rc = 0;
01400 
01401     if (fsm->path != NULL) {
01402         int saveernno = errno;
01403         rc = fsmUNSAFE(fsm, (!(fsm->mapFlags & CPIO_FOLLOW_SYMLINKS)
01404                         ? FSM_LSTAT : FSM_STAT));
01405         if (rc == CPIOERR_ENOENT) {
01406             errno = saveerrno;
01407             rc = 0;
01408             fsm->exists = 0;
01409         } else if (rc == 0) {
01410             fsm->exists = 1;
01411         }
01412     } else {
01413         /* Skip %ghost files on build. */
01414         fsm->exists = 0;
01415     }
01416     return rc;
01417 }
01418 #endif
01419 
01420 #define IS_DEV_LOG(_x)  \
01421         ((_x) != NULL && strlen(_x) >= (sizeof("/dev/log")-1) && \
01422         !strncmp((_x), "/dev/log", sizeof("/dev/log")-1) && \
01423         ((_x)[sizeof("/dev/log")-1] == '\0' || \
01424          (_x)[sizeof("/dev/log")-1] == ';'))
01425 
01426 /*@-boundsread@*/
01427 /*@-compmempass@*/
01428 int fsmStage(FSM_t fsm, fileStage stage)
01429 {
01430 #ifdef  UNUSED
01431     fileStage prevStage = fsm->stage;
01432     const char * const prev = fileStageString(prevStage);
01433 #endif
01434     static int modulo = 4;
01435     const char * const cur = fileStageString(stage);
01436     struct stat * st = &fsm->sb;
01437     struct stat * ost = &fsm->osb;
01438     int saveerrno = errno;
01439     int rc = fsm->rc;
01440     size_t left;
01441     int i;
01442 
01443 #define _fafilter(_a)   \
01444     (!((_a) == FA_CREATE || (_a) == FA_ERASE || (_a) == FA_COPYIN || (_a) == FA_COPYOUT) \
01445         ? fileActionString(_a) : "")
01446 
01447     if (stage & FSM_DEAD) {
01448         /* do nothing */
01449     } else if (stage & FSM_INTERNAL) {
01450         if (_fsm_debug && !(stage & FSM_SYSCALL))
01451             rpmMessage(RPMMESS_DEBUG, " %8s %06o%3d (%4d,%4d)%10d %s %s\n",
01452                 cur,
01453                 (unsigned)st->st_mode, (int)st->st_nlink,
01454                 (int)st->st_uid, (int)st->st_gid, (int)st->st_size,
01455                 (fsm->path ? fsm->path : ""),
01456                 _fafilter(fsm->action));
01457     } else {
01458         fsm->stage = stage;
01459         if (_fsm_debug || !(stage & FSM_VERBOSE))
01460             rpmMessage(RPMMESS_DEBUG, "%-8s  %06o%3d (%4d,%4d)%10d %s %s\n",
01461                 cur,
01462                 (unsigned)st->st_mode, (int)st->st_nlink,
01463                 (int)st->st_uid, (int)st->st_gid, (int)st->st_size,
01464                 (fsm->path ? fsm->path + fsm->astriplen : ""),
01465                 _fafilter(fsm->action));
01466     }
01467 #undef  _fafilter
01468 
01469     /*@-branchstate@*/
01470     switch (stage) {
01471     case FSM_UNKNOWN:
01472         break;
01473     case FSM_PKGINSTALL:
01474         while (1) {
01475             /* Clean fsm, free'ing memory. Read next archive header. */
01476             rc = fsmUNSAFE(fsm, FSM_INIT);
01477 
01478             /* Exit on end-of-payload. */
01479             if (rc == CPIOERR_HDR_TRAILER) {
01480                 rc = 0;
01481                 /*@loopbreak@*/ break;
01482             }
01483 
01484             /* Exit on error. */
01485             if (rc) {
01486                 fsm->postpone = 1;
01487                 (void) fsmNext(fsm, FSM_UNDO);
01488                 /*@loopbreak@*/ break;
01489             }
01490 
01491             /* Extract file from archive. */
01492             rc = fsmNext(fsm, FSM_PROCESS);
01493             if (rc) {
01494                 (void) fsmNext(fsm, FSM_UNDO);
01495                 /*@loopbreak@*/ break;
01496             }
01497 
01498             /* Notify on success. */
01499             (void) fsmNext(fsm, FSM_NOTIFY);
01500 
01501             rc = fsmNext(fsm, FSM_FINI);
01502             if (rc) {
01503                 /*@loopbreak@*/ break;
01504             }
01505         }
01506         break;
01507     case FSM_PKGERASE:
01508     case FSM_PKGCOMMIT:
01509         while (1) {
01510             /* Clean fsm, free'ing memory. */
01511             rc = fsmUNSAFE(fsm, FSM_INIT);
01512 
01513             /* Exit on end-of-payload. */
01514             if (rc == CPIOERR_HDR_TRAILER) {
01515                 rc = 0;
01516                 /*@loopbreak@*/ break;
01517             }
01518 
01519             /* Rename/erase next item. */
01520             if (fsmNext(fsm, FSM_FINI))
01521                 /*@loopbreak@*/ break;
01522         }
01523         break;
01524     case FSM_PKGBUILD:
01525         while (1) {
01526 
01527             rc = fsmUNSAFE(fsm, FSM_INIT);
01528 
01529             /* Exit on end-of-payload. */
01530             if (rc == CPIOERR_HDR_TRAILER) {
01531                 rc = 0;
01532                 /*@loopbreak@*/ break;
01533             }
01534 
01535             /* Exit on error. */
01536             if (rc) {
01537                 fsm->postpone = 1;
01538                 (void) fsmNext(fsm, FSM_UNDO);
01539                 /*@loopbreak@*/ break;
01540             }
01541 
01542             /* Copy file into archive. */
01543             rc = fsmNext(fsm, FSM_PROCESS);
01544             if (rc) {
01545                 (void) fsmNext(fsm, FSM_UNDO);
01546                 /*@loopbreak@*/ break;
01547             }
01548 
01549             /* Notify on success. */
01550             (void) fsmNext(fsm, FSM_NOTIFY);
01551 
01552             if (fsmNext(fsm, FSM_FINI))
01553                 /*@loopbreak@*/ break;
01554         }
01555 
01556         /* Flush partial sets of hard linked files. */
01557         if (!(fsm->mapFlags & CPIO_ALL_HARDLINKS)) {
01558             int nlink, j;
01559             while ((fsm->li = fsm->links) != NULL) {
01560                 fsm->links = fsm->li->next;
01561                 fsm->li->next = NULL;
01562 
01563                 /* Re-calculate link count for archive header. */
01564                 for (j = -1, nlink = 0, i = 0; i < fsm->li->nlink; i++) {
01565                     if (fsm->li->filex[i] < 0)
01566                         /*@innercontinue@*/ continue;
01567                     nlink++;
01568                     if (j == -1) j = i;
01569                 }
01570                 /* XXX force the contents out as well. */
01571 /*@-boundswrite@*/
01572                 if (j != 0) {
01573                     fsm->li->filex[0] = fsm->li->filex[j];
01574                     fsm->li->filex[j] = -1;
01575                 }
01576 /*@=boundswrite@*/
01577                 fsm->li->sb.st_nlink = nlink;
01578 
01579                 fsm->sb = fsm->li->sb;  /* structure assignment */
01580                 fsm->osb = fsm->sb;     /* structure assignment */
01581 
01582                 if (!rc) rc = writeLinkedFile(fsm);
01583 
01584                 fsm->li = freeHardLink(fsm->li);
01585             }
01586         }
01587 
01588         if (!rc)
01589             rc = fsmNext(fsm, FSM_TRAILER);
01590 
01591         break;
01592     case FSM_CREATE:
01593         {   rpmts ts = fsmGetTs(fsm);
01594 #define _tsmask (RPMTRANS_FLAG_PKGCOMMIT | RPMTRANS_FLAG_COMMIT)
01595             fsm->commit = ((ts && (rpmtsFlags(ts) & _tsmask) &&
01596                         fsm->goal != FSM_PKGCOMMIT) ? 0 : 1);
01597 #undef _tsmask
01598         }
01599         fsm->path = _free(fsm->path);
01600         fsm->opath = _free(fsm->opath);
01601         fsm->dnlx = _free(fsm->dnlx);
01602 
01603         fsm->ldn = _free(fsm->ldn);
01604         fsm->ldnalloc = fsm->ldnlen = 0;
01605 
01606         fsm->rdsize = fsm->wrsize = 0;
01607         fsm->rdbuf = fsm->rdb = _free(fsm->rdb);
01608         fsm->wrbuf = fsm->wrb = _free(fsm->wrb);
01609         if (fsm->goal == FSM_PKGINSTALL || fsm->goal == FSM_PKGBUILD) {
01610             fsm->rdsize = 8 * BUFSIZ;
01611             fsm->rdbuf = fsm->rdb = xmalloc(fsm->rdsize);
01612             fsm->wrsize = 8 * BUFSIZ;
01613             fsm->wrbuf = fsm->wrb = xmalloc(fsm->wrsize);
01614         }
01615 
01616         fsm->mkdirsdone = 0;
01617         fsm->ix = -1;
01618         fsm->links = NULL;
01619         fsm->li = NULL;
01620         errno = 0;      /* XXX get rid of EBADF */
01621 
01622         /* Detect and create directories not explicitly in package. */
01623         if (fsm->goal == FSM_PKGINSTALL) {
01624 /*@-compdef@*/
01625             rc = fsmNext(fsm, FSM_MKDIRS);
01626 /*@=compdef@*/
01627             if (!rc) fsm->mkdirsdone = 1;
01628         }
01629 
01630         break;
01631     case FSM_INIT:
01632         fsm->path = _free(fsm->path);
01633         fsm->postpone = 0;
01634         fsm->diskchecked = fsm->exists = 0;
01635         fsm->subdir = NULL;
01636         fsm->suffix = (fsm->sufbuf[0] != '\0' ? fsm->sufbuf : NULL);
01637         fsm->action = FA_UNKNOWN;
01638         fsm->osuffix = NULL;
01639         fsm->nsuffix = NULL;
01640 
01641         if (fsm->goal == FSM_PKGINSTALL) {
01642             /* Read next header from payload, checking for end-of-payload. */
01643             rc = fsmUNSAFE(fsm, FSM_NEXT);
01644         }
01645         if (rc) break;
01646 
01647         /* Identify mapping index. */
01648         fsm->ix = ((fsm->goal == FSM_PKGINSTALL)
01649                 ? mapFind(fsm->iter, fsm->path) : mapNextIterator(fsm->iter));
01650 
01651         /* Detect end-of-loop and/or mapping error. */
01652         if (fsm->ix < 0) {
01653             if (fsm->goal == FSM_PKGINSTALL) {
01654 #if 0
01655                 rpmMessage(RPMMESS_WARNING,
01656                     _("archive file %s was not found in header file list\n"),
01657                         fsm->path);
01658 #endif
01659 /*@-boundswrite@*/
01660                 if (fsm->failedFile && *fsm->failedFile == NULL)
01661                     *fsm->failedFile = xstrdup(fsm->path);
01662 /*@=boundswrite@*/
01663                 rc = CPIOERR_UNMAPPED_FILE;
01664             } else {
01665                 rc = CPIOERR_HDR_TRAILER;
01666             }
01667             break;
01668         }
01669 
01670         /* On non-install, mode must be known so that dirs don't get suffix. */
01671         if (fsm->goal != FSM_PKGINSTALL) {
01672             rpmfi fi = fsmGetFi(fsm);
01673             st->st_mode = fi->fmodes[fsm->ix];
01674         }
01675 
01676         /* Generate file path. */
01677         rc = fsmNext(fsm, FSM_MAP);
01678         if (rc) break;
01679 
01680         /* Perform lstat/stat for disk file. */
01681 #ifdef  NOTYET
01682         rc = fsmStat(fsm);
01683 #else
01684         if (fsm->path != NULL &&
01685             !(fsm->goal == FSM_PKGINSTALL && S_ISREG(st->st_mode)))
01686         {
01687             rc = fsmUNSAFE(fsm, (!(fsm->mapFlags & CPIO_FOLLOW_SYMLINKS)
01688                         ? FSM_LSTAT : FSM_STAT));
01689             if (rc == CPIOERR_ENOENT) {
01690                 errno = saveerrno;
01691                 rc = 0;
01692                 fsm->exists = 0;
01693             } else if (rc == 0) {
01694                 fsm->exists = 1;
01695             }
01696         } else {
01697             /* Skip %ghost files on build. */
01698             fsm->exists = 0;
01699         }
01700 #endif
01701         fsm->diskchecked = 1;
01702         if (rc) break;
01703 
01704         /* On non-install, the disk file stat is what's remapped. */
01705 /*@-boundswrite@*/
01706         if (fsm->goal != FSM_PKGINSTALL)
01707             *st = *ost;                 /* structure assignment */
01708 /*@=boundswrite@*/
01709 
01710         /* Remap file perms, owner, and group. */
01711         rc = fsmMapAttrs(fsm);
01712         if (rc) break;
01713 
01714         fsm->postpone = XFA_SKIPPING(fsm->action);
01715         if (fsm->goal == FSM_PKGINSTALL || fsm->goal == FSM_PKGBUILD) {
01716             /*@-evalorder@*/ /* FIX: saveHardLink can modify fsm */
01717             if (!S_ISDIR(st->st_mode) && st->st_nlink > 1)
01718                 fsm->postpone = saveHardLink(fsm);
01719             /*@=evalorder@*/
01720         }
01721         break;
01722     case FSM_PRE:
01723         break;
01724     case FSM_MAP:
01725         rc = fsmMapPath(fsm);
01726         break;
01727     case FSM_MKDIRS:
01728         rc = fsmMkdirs(fsm);
01729         break;
01730     case FSM_RMDIRS:
01731         if (fsm->dnlx)
01732             rc = fsmRmdirs(fsm);
01733         break;
01734     case FSM_PROCESS:
01735         if (fsm->postpone) {
01736             if (fsm->goal == FSM_PKGINSTALL)
01737                 rc = fsmNext(fsm, FSM_EAT);
01738             break;
01739         }
01740 
01741         if (fsm->goal == FSM_PKGBUILD) {
01742             if (fsm->fflags & RPMFILE_GHOST) /* XXX Don't if %ghost file. */
01743                 break;
01744             if (!S_ISDIR(st->st_mode) && st->st_nlink > 1) {
01745                 struct hardLink_s * li, * prev;
01746 
01747 if (!(fsm->mapFlags & CPIO_ALL_HARDLINKS)) break;
01748                 rc = writeLinkedFile(fsm);
01749                 if (rc) break;  /* W2DO? */
01750 
01751                 for (li = fsm->links, prev = NULL; li; prev = li, li = li->next)
01752                      if (li == fsm->li)
01753                         /*@loopbreak@*/ break;
01754 
01755                 if (prev == NULL)
01756                     fsm->links = fsm->li->next;
01757                 else
01758                     prev->next = fsm->li->next;
01759                 fsm->li->next = NULL;
01760                 fsm->li = freeHardLink(fsm->li);
01761             } else {
01762                 rc = writeFile(fsm, 1);
01763             }
01764             break;
01765         }
01766 
01767         if (fsm->goal != FSM_PKGINSTALL)
01768             break;
01769 
01770         if (S_ISREG(st->st_mode)) {
01771             const char * path = fsm->path;
01772             if (fsm->osuffix)
01773                 fsm->path = fsmFsPath(fsm, st, NULL, NULL);
01774             rc = fsmUNSAFE(fsm, FSM_VERIFY);
01775 
01776             if (rc == 0 && fsm->osuffix) {
01777                 const char * opath = fsm->opath;
01778                 fsm->opath = fsm->path;
01779                 fsm->path = fsmFsPath(fsm, st, NULL, fsm->osuffix);
01780                 rc = fsmNext(fsm, FSM_RENAME);
01781                 if (!rc)
01782                     rpmMessage(RPMMESS_WARNING,
01783                         _("%s saved as %s\n"),
01784                                 (fsm->opath ? fsm->opath : ""),
01785                                 (fsm->path ? fsm->path : ""));
01786                 fsm->path = _free(fsm->path);
01787                 fsm->opath = opath;
01788             }
01789 
01790             /*@-dependenttrans@*/
01791             fsm->path = path;
01792             /*@=dependenttrans@*/
01793             if (!(rc == CPIOERR_ENOENT)) return rc;
01794             rc = expandRegular(fsm);
01795         } else if (S_ISDIR(st->st_mode)) {
01796             mode_t st_mode = st->st_mode;
01797             rc = fsmUNSAFE(fsm, FSM_VERIFY);
01798             if (rc == CPIOERR_ENOENT) {
01799                 st->st_mode &= ~07777;          /* XXX abuse st->st_mode */
01800                 st->st_mode |=  00700;
01801                 rc = fsmNext(fsm, FSM_MKDIR);
01802                 st->st_mode = st_mode;          /* XXX restore st->st_mode */
01803             }
01804         } else if (S_ISLNK(st->st_mode)) {
01805             const char * opath = fsm->opath;
01806 
01807             if ((st->st_size + 1) > fsm->rdsize) {
01808                 rc = CPIOERR_HDR_SIZE;
01809                 break;
01810             }
01811 
01812             fsm->wrlen = st->st_size;
01813             rc = fsmNext(fsm, FSM_DREAD);
01814             if (!rc && fsm->rdnb != fsm->wrlen)
01815                 rc = CPIOERR_READ_FAILED;
01816             if (rc) break;
01817 
01818 /*@-boundswrite@*/
01819             fsm->wrbuf[st->st_size] = '\0';
01820 /*@=boundswrite@*/
01821             /* XXX symlink(fsm->opath, fsm->path) */
01822             /*@-dependenttrans@*/
01823             fsm->opath = fsm->wrbuf;
01824             /*@=dependenttrans@*/
01825             rc = fsmUNSAFE(fsm, FSM_VERIFY);
01826             if (rc == CPIOERR_ENOENT)
01827                 rc = fsmNext(fsm, FSM_SYMLINK);
01828             fsm->opath = opath;         /* XXX restore fsm->path */
01829         } else if (S_ISFIFO(st->st_mode)) {
01830             mode_t st_mode = st->st_mode;
01831             /* This mimics cpio S_ISSOCK() behavior but probably isnt' right */
01832             rc = fsmUNSAFE(fsm, FSM_VERIFY);
01833             if (rc == CPIOERR_ENOENT) {
01834                 st->st_mode = 0000;             /* XXX abuse st->st_mode */
01835                 rc = fsmNext(fsm, FSM_MKFIFO);
01836                 st->st_mode = st_mode;  /* XXX restore st->st_mode */
01837             }
01838         } else if (S_ISCHR(st->st_mode) ||
01839                    S_ISBLK(st->st_mode) ||
01840     /*@-unrecog@*/ S_ISSOCK(st->st_mode) /*@=unrecog@*/)
01841         {
01842             rc = fsmUNSAFE(fsm, FSM_VERIFY);
01843             if (rc == CPIOERR_ENOENT)
01844                 rc = fsmNext(fsm, FSM_MKNOD);
01845         } else {
01846             /* XXX Special case /dev/log, which shouldn't be packaged anyways */
01847             if (!IS_DEV_LOG(fsm->path))
01848                 rc = CPIOERR_UNKNOWN_FILETYPE;
01849         }
01850         if (!S_ISDIR(st->st_mode) && st->st_nlink > 1) {
01851             fsm->li->createdPath = fsm->li->linkIndex;
01852             rc = fsmMakeLinks(fsm);
01853         }
01854         break;
01855     case FSM_POST:
01856         break;
01857     case FSM_MKLINKS:
01858         rc = fsmMakeLinks(fsm);
01859         break;
01860     case FSM_NOTIFY:            /* XXX move from fsm to psm -> tsm */
01861         if (fsm->goal == FSM_PKGINSTALL || fsm->goal == FSM_PKGBUILD) {
01862             rpmts ts = fsmGetTs(fsm);
01863             rpmfi fi = fsmGetFi(fsm);
01864             void * ptr;
01865             unsigned int archivePos = fdGetCpioPos(fsm->cfd);
01866             if (archivePos > fi->archivePos) {
01867                 fi->archivePos = archivePos;
01868                 ptr = rpmtsNotify(ts, fi->te, RPMCALLBACK_INST_PROGRESS,
01869                         fi->archivePos, fi->archiveSize);
01870             }
01871         }
01872         break;
01873     case FSM_UNDO:
01874         if (fsm->postpone)
01875             break;
01876         if (fsm->goal == FSM_PKGINSTALL) {
01877             (void) fsmNext(fsm,
01878                 (S_ISDIR(st->st_mode) ? FSM_RMDIR : FSM_UNLINK));
01879 
01880 #ifdef  NOTYET  /* XXX remove only dirs just created, not all. */
01881             if (fsm->dnlx)
01882                 (void) fsmNext(fsm, FSM_RMDIRS);
01883 #endif
01884             errno = saveerrno;
01885         }
01886 /*@-boundswrite@*/
01887         if (fsm->failedFile && *fsm->failedFile == NULL)
01888             *fsm->failedFile = xstrdup(fsm->path);
01889 /*@=boundswrite@*/
01890         break;
01891     case FSM_FINI:
01892         if (!fsm->postpone && fsm->commit) {
01893             if (fsm->goal == FSM_PKGINSTALL)
01894                 rc = ((!S_ISDIR(st->st_mode) && st->st_nlink > 1)
01895                         ? fsmCommitLinks(fsm) : fsmNext(fsm, FSM_COMMIT));
01896             if (fsm->goal == FSM_PKGCOMMIT)
01897                 rc = fsmNext(fsm, FSM_COMMIT);
01898             if (fsm->goal == FSM_PKGERASE)
01899                 rc = fsmNext(fsm, FSM_COMMIT);
01900         }
01901         fsm->path = _free(fsm->path);
01902         fsm->opath = _free(fsm->opath);
01903 /*@-boundswrite@*/
01904         memset(st, 0, sizeof(*st));
01905         memset(ost, 0, sizeof(*ost));
01906 /*@=boundswrite@*/
01907         break;
01908     case FSM_COMMIT:
01909         /* Rename pre-existing modified or unmanaged file. */
01910         if (fsm->osuffix && fsm->diskchecked &&
01911           (fsm->exists || (fsm->goal == FSM_PKGINSTALL && S_ISREG(st->st_mode))))
01912         {
01913             const char * opath = fsm->opath;
01914             const char * path = fsm->path;
01915             fsm->opath = fsmFsPath(fsm, st, NULL, NULL);
01916             fsm->path = fsmFsPath(fsm, st, NULL, fsm->osuffix);
01917             rc = fsmNext(fsm, FSM_RENAME);
01918             if (!rc) {
01919                 rpmMessage(RPMMESS_WARNING, _("%s saved as %s\n"),
01920                                 (fsm->opath ? fsm->opath : ""),
01921                                 (fsm->path ? fsm->path : ""));
01922             }
01923             fsm->path = _free(fsm->path);
01924             fsm->path = path;
01925             fsm->opath = _free(fsm->opath);
01926             fsm->opath = opath;
01927         }
01928 
01929         /* Remove erased files. */
01930         if (fsm->goal == FSM_PKGERASE) {
01931             if (fsm->action == FA_ERASE) {
01932                 rpmfi fi = fsmGetFi(fsm);
01933                 if (S_ISDIR(st->st_mode)) {
01934                     rc = fsmNext(fsm, FSM_RMDIR);
01935                     if (!rc) break;
01936                     switch (rc) {
01937                     case CPIOERR_ENOENT: /* XXX rmdir("/") linux 2.2.x kernel hack */
01938                     case CPIOERR_ENOTEMPTY:
01939         /* XXX make sure that build side permits %missingok on directories. */
01940                         if (fsm->fflags & RPMFILE_MISSINGOK)
01941                             /*@innerbreak@*/ break;
01942 
01943                         /* XXX common error message. */
01944                         rpmError(
01945                             (strict_erasures ? RPMERR_RMDIR : RPMDEBUG_RMDIR),
01946                             _("%s rmdir of %s failed: Directory not empty\n"), 
01947                                 rpmfiTypeString(fi), fsm->path);
01948                         /*@innerbreak@*/ break;
01949                     default:
01950                         rpmError(
01951                             (strict_erasures ? RPMERR_RMDIR : RPMDEBUG_RMDIR),
01952                                 _("%s rmdir of %s failed: %s\n"),
01953                                 rpmfiTypeString(fi), fsm->path, strerror(errno));
01954                         /*@innerbreak@*/ break;
01955                     }
01956                 } else {
01957                     rc = fsmNext(fsm, FSM_UNLINK);
01958                     if (!rc) break;
01959                     switch (rc) {
01960                     case CPIOERR_ENOENT:
01961                         if (fsm->fflags & RPMFILE_MISSINGOK)
01962                             /*@innerbreak@*/ break;
01963                         /*@fallthrough@*/
01964                     default:
01965                         rpmError(
01966                             (strict_erasures ? RPMERR_UNLINK : RPMDEBUG_UNLINK),
01967                                 _("%s unlink of %s failed: %s\n"),
01968                                 rpmfiTypeString(fi), fsm->path, strerror(errno));
01969                         /*@innerbreak@*/ break;
01970                     }
01971                 }
01972             }
01973             /* XXX Failure to remove is not (yet) cause for failure. */
01974             if (!strict_erasures) rc = 0;
01975             break;
01976         }
01977 
01978         /* XXX Special case /dev/log, which shouldn't be packaged anyways */
01979         if (!S_ISSOCK(st->st_mode) && !IS_DEV_LOG(fsm->path)) {
01980             /* Rename temporary to final file name. */
01981             if (!S_ISDIR(st->st_mode) &&
01982                 (fsm->subdir || fsm->suffix || fsm->nsuffix))
01983             {
01984                 fsm->opath = fsm->path;
01985                 fsm->path = fsmFsPath(fsm, st, NULL, fsm->nsuffix);
01986                 rc = fsmNext(fsm, FSM_RENAME);
01987                 if (!rc && fsm->nsuffix) {
01988                     const char * opath = fsmFsPath(fsm, st, NULL, NULL);
01989                     rpmMessage(RPMMESS_WARNING, _("%s created as %s\n"),
01990                                 (opath ? opath : ""),
01991                                 (fsm->path ? fsm->path : ""));
01992                     opath = _free(opath);
01993                 }
01994                 fsm->opath = _free(fsm->opath);
01995             }
01996             /*
01997              * Set file security context (if not disabled).
01998              */
01999             if (!rc && !getuid()) {
02000                 rc = fsmMapFContext(fsm);
02001                 if (!rc)
02002                     rc = fsmNext(fsm, FSM_LSETFCON);
02003                 fsm->fcontext = NULL;
02004             }
02005             if (S_ISLNK(st->st_mode)) {
02006                 if (!rc && !getuid())
02007                     rc = fsmNext(fsm, FSM_LCHOWN);
02008             } else {
02009                 if (!rc && !getuid())
02010                     rc = fsmNext(fsm, FSM_CHOWN);
02011                 if (!rc)
02012                     rc = fsmNext(fsm, FSM_CHMOD);
02013                 if (!rc) {
02014                     time_t mtime = st->st_mtime;
02015                     rpmfi fi = fsmGetFi(fsm);
02016                     if (fi->fmtimes)
02017                         st->st_mtime = fi->fmtimes[fsm->ix];
02018                     rc = fsmNext(fsm, FSM_UTIME);
02019                     st->st_mtime = mtime;
02020                 }
02021             }
02022         }
02023 
02024         /* Notify on success. */
02025         if (!rc)                rc = fsmNext(fsm, FSM_NOTIFY);
02026         else if (fsm->failedFile && *fsm->failedFile == NULL) {
02027 /*@-boundswrite@*/
02028             *fsm->failedFile = fsm->path;
02029 /*@=boundswrite@*/
02030             fsm->path = NULL;
02031         }
02032         break;
02033     case FSM_DESTROY:
02034         fsm->path = _free(fsm->path);
02035 
02036         /* Check for hard links missing from payload. */
02037         while ((fsm->li = fsm->links) != NULL) {
02038             fsm->links = fsm->li->next;
02039             fsm->li->next = NULL;
02040             if (fsm->goal == FSM_PKGINSTALL &&
02041                         fsm->commit && fsm->li->linksLeft)
02042             {
02043                 for (i = 0 ; i < fsm->li->linksLeft; i++) {
02044                     if (fsm->li->filex[i] < 0)
02045                         /*@innercontinue@*/ continue;
02046                     rc = CPIOERR_MISSING_HARDLINK;
02047                     if (fsm->failedFile && *fsm->failedFile == NULL) {
02048                         fsm->ix = fsm->li->filex[i];
02049                         if (!fsmNext(fsm, FSM_MAP)) {
02050 /*@-boundswrite@*/
02051                             *fsm->failedFile = fsm->path;
02052 /*@=boundswrite@*/
02053                             fsm->path = NULL;
02054                         }
02055                     }
02056                     /*@loopbreak@*/ break;
02057                 }
02058             }
02059             if (fsm->goal == FSM_PKGBUILD &&
02060                 (fsm->mapFlags & CPIO_ALL_HARDLINKS))
02061             {
02062                 rc = CPIOERR_MISSING_HARDLINK;
02063             }
02064             fsm->li = freeHardLink(fsm->li);
02065         }
02066         fsm->ldn = _free(fsm->ldn);
02067         fsm->ldnalloc = fsm->ldnlen = 0;
02068         fsm->rdbuf = fsm->rdb = _free(fsm->rdb);
02069         fsm->wrbuf = fsm->wrb = _free(fsm->wrb);
02070         break;
02071     case FSM_VERIFY:
02072         if (fsm->diskchecked && !fsm->exists) {
02073             rc = CPIOERR_ENOENT;
02074             break;
02075         }
02076         if (S_ISREG(st->st_mode)) {
02077             char * path = alloca(strlen(fsm->path) + sizeof("-RPMDELETE"));
02078 /*@-boundswrite@*/
02079             (void) stpcpy( stpcpy(path, fsm->path), "-RPMDELETE");
02080 /*@=boundswrite@*/
02081             /*
02082              * XXX HP-UX (and other os'es) don't permit unlink on busy
02083              * XXX files.
02084              */
02085             fsm->opath = fsm->path;
02086             fsm->path = path;
02087             rc = fsmNext(fsm, FSM_RENAME);
02088             if (!rc)
02089                     (void) fsmNext(fsm, FSM_UNLINK);
02090             else
02091                     rc = CPIOERR_UNLINK_FAILED;
02092             fsm->path = fsm->opath;
02093             fsm->opath = NULL;
02094             return (rc ? rc : CPIOERR_ENOENT);  /* XXX HACK */
02095             /*@notreached@*/ break;
02096         } else if (S_ISDIR(st->st_mode)) {
02097             if (S_ISDIR(ost->st_mode))          return 0;
02098             if (S_ISLNK(ost->st_mode)) {
02099                 rc = fsmUNSAFE(fsm, FSM_STAT);
02100                 if (rc == CPIOERR_ENOENT) rc = 0;
02101                 if (rc) break;
02102                 errno = saveerrno;
02103                 if (S_ISDIR(ost->st_mode))      return 0;
02104             }
02105         } else if (S_ISLNK(st->st_mode)) {
02106             if (S_ISLNK(ost->st_mode)) {
02107         /* XXX NUL terminated result in fsm->rdbuf, len in fsm->rdnb. */
02108                 rc = fsmUNSAFE(fsm, FSM_READLINK);
02109                 errno = saveerrno;
02110                 if (rc) break;
02111                 if (!strcmp(fsm->opath, fsm->rdbuf))    return 0;
02112             }
02113         } else if (S_ISFIFO(st->st_mode)) {
02114             if (S_ISFIFO(ost->st_mode))         return 0;
02115         } else if (S_ISCHR(st->st_mode) || S_ISBLK(st->st_mode)) {
02116             if ((S_ISCHR(ost->st_mode) || S_ISBLK(ost->st_mode)) &&
02117                 (ost->st_rdev == st->st_rdev))  return 0;
02118         } else if (S_ISSOCK(st->st_mode)) {
02119             if (S_ISSOCK(ost->st_mode))         return 0;
02120         }
02121             /* XXX shouldn't do this with commit/undo. */
02122         rc = 0;
02123         if (fsm->stage == FSM_PROCESS) rc = fsmNext(fsm, FSM_UNLINK);
02124         if (rc == 0)    rc = CPIOERR_ENOENT;
02125         return (rc ? rc : CPIOERR_ENOENT);      /* XXX HACK */
02126         /*@notreached@*/ break;
02127 
02128     case FSM_UNLINK:
02129         if (fsm->mapFlags & CPIO_SBIT_CHECK) {
02130             struct stat stb;
02131             if (Lstat(fsm->path, &stb) == 0 && S_ISREG(stb.st_mode) && (stb.st_mode & 06000) != 0)
02132                 chmod(fsm->path, stb.st_mode & 0777);
02133         }
02134         rc = Unlink(fsm->path);
02135         if (_fsm_debug && (stage & FSM_SYSCALL))
02136             rpmMessage(RPMMESS_DEBUG, " %8s (%s) %s\n", cur,
02137                 fsm->path, (rc < 0 ? strerror(errno) : ""));
02138         if (rc < 0)
02139             rc = (errno == ENOENT ? CPIOERR_ENOENT : CPIOERR_UNLINK_FAILED);
02140         break;
02141     case FSM_RENAME:
02142         rc = Rename(fsm->opath, fsm->path);
02143 #if defined(ETXTBSY)
02144         if (rc && errno == ETXTBSY) {
02145             char * path = alloca(strlen(fsm->path) + sizeof("-RPMDELETE"));
02146             (void) stpcpy( stpcpy(path, fsm->path), "-RPMDELETE");
02147             /*
02148              * XXX HP-UX (and other os'es) don't permit rename to busy
02149              * XXX files.
02150              */
02151             rc = Rename(fsm->path, path);
02152             if (!rc) rc = Rename(fsm->opath, fsm->path);
02153         }
02154 #endif
02155         if (_fsm_debug && (stage & FSM_SYSCALL))
02156             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %s) %s\n", cur,
02157                 fsm->opath, fsm->path, (rc < 0 ? strerror(errno) : ""));
02158         if (rc < 0)     rc = CPIOERR_RENAME_FAILED;
02159         break;
02160     case FSM_MKDIR:
02161         rc = Mkdir(fsm->path, (st->st_mode & 07777));
02162         if (_fsm_debug && (stage & FSM_SYSCALL))
02163             rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0%04o) %s\n", cur,
02164                 fsm->path, (unsigned)(st->st_mode & 07777),
02165                 (rc < 0 ? strerror(errno) : ""));
02166         if (rc < 0)     rc = CPIOERR_MKDIR_FAILED;
02167         break;
02168     case FSM_RMDIR:
02169         rc = Rmdir(fsm->path);
02170         if (_fsm_debug && (stage & FSM_SYSCALL))
02171             rpmMessage(RPMMESS_DEBUG, " %8s (%s) %s\n", cur,
02172                 fsm->path, (rc < 0 ? strerror(errno) : ""));
02173         if (rc < 0)
02174             switch (errno) {
02175             case ENOENT:        rc = CPIOERR_ENOENT;    /*@switchbreak@*/ break;
02176             case ENOTEMPTY:     rc = CPIOERR_ENOTEMPTY; /*@switchbreak@*/ break;
02177             default:            rc = CPIOERR_RMDIR_FAILED; /*@switchbreak@*/ break;
02178             }
02179         break;
02180     case FSM_LSETFCON:
02181         if (fsm->fcontext == NULL || *fsm->fcontext == '\0'
02182          || !strcmp(fsm->fcontext, "<<none>>"))
02183             break;
02184         rc = lsetfilecon(fsm->path, (security_context_t)fsm->fcontext);
02185         if (_fsm_debug && (stage & FSM_SYSCALL))
02186             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %s) %s\n", cur,
02187                 fsm->path, fsm->fcontext,
02188                 (rc < 0 ? strerror(errno) : ""));
02189         if (rc < 0) rc = (errno == EOPNOTSUPP ? 0 : CPIOERR_LSETFCON_FAILED);
02190         break;
02191     case FSM_CHOWN:
02192         rc = chown(fsm->path, st->st_uid, st->st_gid);
02193         if (_fsm_debug && (stage & FSM_SYSCALL))
02194             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %d, %d) %s\n", cur,
02195                 fsm->path, (int)st->st_uid, (int)st->st_gid,
02196                 (rc < 0 ? strerror(errno) : ""));
02197         if (rc < 0)     rc = CPIOERR_CHOWN_FAILED;
02198         break;
02199     case FSM_LCHOWN:
02200 #if ! CHOWN_FOLLOWS_SYMLINK
02201         rc = lchown(fsm->path, st->st_uid, st->st_gid);
02202         if (_fsm_debug && (stage & FSM_SYSCALL))
02203             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %d, %d) %s\n", cur,
02204                 fsm->path, (int)st->st_uid, (int)st->st_gid,
02205                 (rc < 0 ? strerror(errno) : ""));
02206         if (rc < 0)     rc = CPIOERR_CHOWN_FAILED;
02207 #endif
02208         break;
02209     case FSM_CHMOD:
02210         rc = chmod(fsm->path, (st->st_mode & 07777));
02211         if (_fsm_debug && (stage & FSM_SYSCALL))
02212             rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0%04o) %s\n", cur,
02213                 fsm->path, (unsigned)(st->st_mode & 07777),
02214                 (rc < 0 ? strerror(errno) : ""));
02215         if (rc < 0)     rc = CPIOERR_CHMOD_FAILED;
02216         break;
02217     case FSM_UTIME:
02218         {   struct utimbuf stamp;
02219             stamp.actime = st->st_mtime;
02220             stamp.modtime = st->st_mtime;
02221             rc = utime(fsm->path, &stamp);
02222             if (_fsm_debug && (stage & FSM_SYSCALL))
02223                 rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0x%x) %s\n", cur,
02224                         fsm->path, (unsigned)st->st_mtime,
02225                         (rc < 0 ? strerror(errno) : ""));
02226             if (rc < 0) rc = CPIOERR_UTIME_FAILED;
02227         }
02228         break;
02229     case FSM_SYMLINK:
02230         rc = symlink(fsm->opath, fsm->path);
02231         if (_fsm_debug && (stage & FSM_SYSCALL))
02232             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %s) %s\n", cur,
02233                 fsm->opath, fsm->path, (rc < 0 ? strerror(errno) : ""));
02234         if (rc < 0)     rc = CPIOERR_SYMLINK_FAILED;
02235         break;
02236     case FSM_LINK:
02237         rc = Link(fsm->opath, fsm->path);
02238         if (_fsm_debug && (stage & FSM_SYSCALL))
02239             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %s) %s\n", cur,
02240                 fsm->opath, fsm->path, (rc < 0 ? strerror(errno) : ""));
02241         if (rc < 0)     rc = CPIOERR_LINK_FAILED;
02242         break;
02243     case FSM_MKFIFO:
02244         rc = mkfifo(fsm->path, (st->st_mode & 07777));
02245         if (_fsm_debug && (stage & FSM_SYSCALL))
02246             rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0%04o) %s\n", cur,
02247                 fsm->path, (unsigned)(st->st_mode & 07777),
02248                 (rc < 0 ? strerror(errno) : ""));
02249         if (rc < 0)     rc = CPIOERR_MKFIFO_FAILED;
02250         break;
02251     case FSM_MKNOD:
02252         /*@-unrecog -portability @*/ /* FIX: check S_IFIFO or dev != 0 */
02253         rc = mknod(fsm->path, (st->st_mode & ~07777), st->st_rdev);
02254         /*@=unrecog =portability @*/
02255         if (_fsm_debug && (stage & FSM_SYSCALL))
02256             rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0%o, 0x%x) %s\n", cur,
02257                 fsm->path, (unsigned)(st->st_mode & ~07777),
02258                 (unsigned)st->st_rdev,
02259                 (rc < 0 ? strerror(errno) : ""));
02260         if (rc < 0)     rc = CPIOERR_MKNOD_FAILED;
02261         break;
02262     case FSM_LSTAT:
02263         rc = Lstat(fsm->path, ost);
02264         if (_fsm_debug && (stage & FSM_SYSCALL) && rc && errno != ENOENT)
02265             rpmMessage(RPMMESS_DEBUG, " %8s (%s, ost) %s\n", cur,
02266                 fsm->path, (rc < 0 ? strerror(errno) : ""));
02267         if (rc < 0) {
02268             rc = (errno == ENOENT ? CPIOERR_ENOENT : CPIOERR_LSTAT_FAILED);
02269             memset(ost, 0, sizeof(*ost));       /* XXX s390x hackery */
02270         }
02271         break;
02272     case FSM_STAT:
02273         rc = Stat(fsm->path, ost);
02274         if (_fsm_debug && (stage & FSM_SYSCALL) && rc && errno != ENOENT)
02275             rpmMessage(RPMMESS_DEBUG, " %8s (%s, ost) %s\n", cur,
02276                 fsm->path, (rc < 0 ? strerror(errno) : ""));
02277         if (rc < 0) {
02278             rc = (errno == ENOENT ? CPIOERR_ENOENT : CPIOERR_STAT_FAILED);
02279             memset(ost, 0, sizeof(*ost));       /* XXX s390x hackery */
02280         }
02281         break;
02282     case FSM_READLINK:
02283         /* XXX NUL terminated result in fsm->rdbuf, len in fsm->rdnb. */
02284 /*@-boundswrite@*/
02285         rc = Readlink(fsm->path, fsm->rdbuf, fsm->rdsize - 1);
02286 /*@=boundswrite@*/
02287         if (_fsm_debug && (stage & FSM_SYSCALL))
02288             rpmMessage(RPMMESS_DEBUG, " %8s (%s, rdbuf, %d) %s\n", cur,
02289                 fsm->path, (int)(fsm->rdsize -1), (rc < 0 ? strerror(errno) : ""));
02290         if (rc < 0)     rc = CPIOERR_READLINK_FAILED;
02291         else {
02292             fsm->rdnb = rc;
02293 /*@-boundswrite@*/
02294             fsm->rdbuf[fsm->rdnb] = '\0';
02295 /*@=boundswrite@*/
02296             rc = 0;
02297         }
02298         break;
02299     case FSM_CHROOT:
02300         break;
02301 
02302     case FSM_NEXT:
02303         rc = fsmUNSAFE(fsm, FSM_HREAD);
02304         if (rc) break;
02305         if (!strcmp(fsm->path, CPIO_TRAILER)) { /* Detect end-of-payload. */
02306             fsm->path = _free(fsm->path);
02307             rc = CPIOERR_HDR_TRAILER;
02308         }
02309         if (!rc)
02310             rc = fsmNext(fsm, FSM_POS);
02311         break;
02312     case FSM_EAT:
02313         for (left = st->st_size; left > 0; left -= fsm->rdnb) {
02314             fsm->wrlen = (left > fsm->wrsize ? fsm->wrsize : left);
02315             rc = fsmNext(fsm, FSM_DREAD);
02316             if (rc)
02317                 /*@loopbreak@*/ break;
02318         }
02319         break;
02320     case FSM_POS:
02321         left = (modulo - (fdGetCpioPos(fsm->cfd) % modulo)) % modulo;
02322         if (left) {
02323             fsm->wrlen = left;
02324             (void) fsmNext(fsm, FSM_DREAD);
02325         }
02326         break;
02327     case FSM_PAD:
02328         left = (modulo - (fdGetCpioPos(fsm->cfd) % modulo)) % modulo;
02329         if (left) {
02330 /*@-boundswrite@*/
02331             memset(fsm->rdbuf, 0, left);
02332 /*@=boundswrite@*/
02333             /* XXX DWRITE uses rdnb for I/O length. */
02334             fsm->rdnb = left;
02335             (void) fsmNext(fsm, FSM_DWRITE);
02336         }
02337         break;
02338     case FSM_TRAILER:
02339         rc = cpioTrailerWrite(fsm);
02340         break;
02341     case FSM_HREAD:
02342         rc = fsmNext(fsm, FSM_POS);
02343         if (!rc)
02344             rc = cpioHeaderRead(fsm, st);       /* Read next payload header. */
02345         break;
02346     case FSM_HWRITE:
02347         rc = cpioHeaderWrite(fsm, st);          /* Write next payload header. */
02348         break;
02349     case FSM_DREAD:
02350 /*@-boundswrite@*/
02351         fsm->rdnb = Fread(fsm->wrbuf, sizeof(*fsm->wrbuf), fsm->wrlen, fsm->cfd);
02352 /*@=boundswrite@*/
02353         if (_fsm_debug && (stage & FSM_SYSCALL))
02354             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %d, cfd)\trdnb %d\n",
02355                 cur, (fsm->wrbuf == fsm->wrb ? "wrbuf" : "mmap"),
02356                 (int)fsm->wrlen, (int)fsm->rdnb);
02357         if (fsm->rdnb != fsm->wrlen || Ferror(fsm->cfd))
02358             rc = CPIOERR_READ_FAILED;
02359         if (fsm->rdnb > 0)
02360             fdSetCpioPos(fsm->cfd, fdGetCpioPos(fsm->cfd) + fsm->rdnb);
02361         break;
02362     case FSM_DWRITE:
02363         fsm->wrnb = Fwrite(fsm->rdbuf, sizeof(*fsm->rdbuf), fsm->rdnb, fsm->cfd);
02364         if (_fsm_debug && (stage & FSM_SYSCALL))
02365             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %d, cfd)\twrnb %d\n",
02366                 cur, (fsm->rdbuf == fsm->rdb ? "rdbuf" : "mmap"),
02367                 (int)fsm->rdnb, (int)fsm->wrnb);
02368         if (fsm->rdnb != fsm->wrnb || Ferror(fsm->cfd))
02369             rc = CPIOERR_WRITE_FAILED;
02370         if (fsm->wrnb > 0)
02371             fdSetCpioPos(fsm->cfd, fdGetCpioPos(fsm->cfd) + fsm->wrnb);
02372         break;
02373 
02374     case FSM_ROPEN:
02375         fsm->rfd = Fopen(fsm->path, "r.ufdio");
02376         if (fsm->rfd == NULL || Ferror(fsm->rfd)) {
02377             if (fsm->rfd != NULL)       (void) fsmNext(fsm, FSM_RCLOSE);
02378             fsm->rfd = NULL;
02379             rc = CPIOERR_OPEN_FAILED;
02380             break;
02381         }
02382         if (_fsm_debug && (stage & FSM_SYSCALL))
02383             rpmMessage(RPMMESS_DEBUG, " %8s (%s, \"r\") rfd %p rdbuf %p\n", cur,
02384                 fsm->path, fsm->rfd, fsm->rdbuf);
02385         break;
02386     case FSM_READ:
02387 /*@-boundswrite@*/
02388         fsm->rdnb = Fread(fsm->rdbuf, sizeof(*fsm->rdbuf), fsm->rdlen, fsm->rfd);
02389 /*@=boundswrite@*/
02390         if (_fsm_debug && (stage & FSM_SYSCALL))
02391             rpmMessage(RPMMESS_DEBUG, " %8s (rdbuf, %d, rfd)\trdnb %d\n",
02392                 cur, (int)fsm->rdlen, (int)fsm->rdnb);
02393         if (fsm->rdnb != fsm->rdlen || Ferror(fsm->rfd))
02394             rc = CPIOERR_READ_FAILED;
02395         break;
02396     case FSM_RCLOSE:
02397         if (fsm->rfd != NULL) {
02398             if (_fsm_debug && (stage & FSM_SYSCALL))
02399                 rpmMessage(RPMMESS_DEBUG, " %8s (%p)\n", cur, fsm->rfd);
02400             (void) rpmswAdd(rpmtsOp(fsmGetTs(fsm), RPMTS_OP_DIGEST),
02401                         fdstat_op(fsm->rfd, FDSTAT_DIGEST));
02402             (void) Fclose(fsm->rfd);
02403             errno = saveerrno;
02404         }
02405         fsm->rfd = NULL;
02406         break;
02407     case FSM_WOPEN:
02408         fsm->wfd = Fopen(fsm->path, "w.ufdio");
02409         if (fsm->wfd == NULL || Ferror(fsm->wfd)) {
02410             if (fsm->wfd != NULL)       (void) fsmNext(fsm, FSM_WCLOSE);
02411             fsm->wfd = NULL;
02412             rc = CPIOERR_OPEN_FAILED;
02413         }
02414         if (_fsm_debug && (stage & FSM_SYSCALL))
02415             rpmMessage(RPMMESS_DEBUG, " %8s (%s, \"w\") wfd %p wrbuf %p\n", cur,
02416                 fsm->path, fsm->wfd, fsm->wrbuf);
02417         break;
02418     case FSM_WRITE:
02419         fsm->wrnb = Fwrite(fsm->wrbuf, sizeof(*fsm->wrbuf), fsm->rdnb, fsm->wfd);
02420         if (_fsm_debug && (stage & FSM_SYSCALL))
02421             rpmMessage(RPMMESS_DEBUG, " %8s (wrbuf, %d, wfd)\twrnb %d\n",
02422                 cur, (int)fsm->rdnb, (int)fsm->wrnb);
02423         if (fsm->rdnb != fsm->wrnb || Ferror(fsm->wfd))
02424             rc = CPIOERR_WRITE_FAILED;
02425         break;
02426     case FSM_WCLOSE:
02427         if (fsm->wfd != NULL) {
02428             if (_fsm_debug && (stage & FSM_SYSCALL))
02429                 rpmMessage(RPMMESS_DEBUG, " %8s (%p)\n", cur, fsm->wfd);
02430             (void) rpmswAdd(rpmtsOp(fsmGetTs(fsm), RPMTS_OP_DIGEST),
02431                         fdstat_op(fsm->wfd, FDSTAT_DIGEST));
02432             (void) Fclose(fsm->wfd);
02433             errno = saveerrno;
02434         }
02435         fsm->wfd = NULL;
02436         break;
02437 
02438     default:
02439         break;
02440     }
02441     /*@=branchstate@*/
02442 
02443     if (!(stage & FSM_INTERNAL)) {
02444         fsm->rc = (rc == CPIOERR_HDR_TRAILER ? 0 : rc);
02445     }
02446     return rc;
02447 }
02448 /*@=compmempass@*/
02449 /*@=boundsread@*/
02450 
02451 /*@obserever@*/ const char *const fileActionString(fileAction a)
02452 {
02453     switch (a) {
02454     case FA_UNKNOWN:    return "unknown";
02455     case FA_CREATE:     return "create";
02456     case FA_COPYOUT:    return "copyout";
02457     case FA_COPYIN:     return "copyin";
02458     case FA_BACKUP:     return "backup";
02459     case FA_SAVE:       return "save";
02460     case FA_SKIP:       return "skip";
02461     case FA_ALTNAME:    return "altname";
02462     case FA_ERASE:      return "erase";
02463     case FA_SKIPNSTATE: return "skipnstate";
02464     case FA_SKIPNETSHARED: return "skipnetshared";
02465     case FA_SKIPCOLOR:  return "skipcolor";
02466     default:            return "???";
02467     }
02468     /*@notreached@*/
02469 }
02470 
02471 /*@observer@*/ const char *const fileStageString(fileStage a) {
02472     switch(a) {
02473     case FSM_UNKNOWN:   return "unknown";
02474 
02475     case FSM_PKGINSTALL:return "INSTALL";
02476     case FSM_PKGERASE:  return "ERASE";
02477     case FSM_PKGBUILD:  return "BUILD";
02478     case FSM_PKGCOMMIT: return "COMMIT";
02479     case FSM_PKGUNDO:   return "UNDO";
02480 
02481     case FSM_CREATE:    return "create";
02482     case FSM_INIT:      return "init";
02483     case FSM_MAP:       return "map";
02484     case FSM_MKDIRS:    return "mkdirs";
02485     case FSM_RMDIRS:    return "rmdirs";
02486     case FSM_PRE:       return "pre";
02487     case FSM_PROCESS:   return "process";
02488     case FSM_POST:      return "post";
02489     case FSM_MKLINKS:   return "mklinks";
02490     case FSM_NOTIFY:    return "notify";
02491     case FSM_UNDO:      return "undo";
02492     case FSM_FINI:      return "fini";
02493     case FSM_COMMIT:    return "commit";
02494     case FSM_DESTROY:   return "destroy";
02495     case FSM_VERIFY:    return "verify";
02496 
02497     case FSM_UNLINK:    return "Unlink";
02498     case FSM_RENAME:    return "Rename";
02499     case FSM_MKDIR:     return "Mkdir";
02500     case FSM_RMDIR:     return "rmdir";
02501     case FSM_LSETFCON:  return "lsetfcon";
02502     case FSM_CHOWN:     return "chown";
02503     case FSM_LCHOWN:    return "lchown";
02504     case FSM_CHMOD:     return "chmod";
02505     case FSM_UTIME:     return "utime";
02506     case FSM_SYMLINK:   return "symlink";
02507     case FSM_LINK:      return "Link";
02508     case FSM_MKFIFO:    return "mkfifo";
02509     case FSM_MKNOD:     return "mknod";
02510     case FSM_LSTAT:     return "Lstat";
02511     case FSM_STAT:      return "Stat";
02512     case FSM_READLINK:  return "Readlink";
02513     case FSM_CHROOT:    return "chroot";
02514 
02515     case FSM_NEXT:      return "next";
02516     case FSM_EAT:       return "eat";
02517     case FSM_POS:       return "pos";
02518     case FSM_PAD:       return "pad";
02519     case FSM_TRAILER:   return "trailer";
02520     case FSM_HREAD:     return "hread";
02521     case FSM_HWRITE:    return "hwrite";
02522     case FSM_DREAD:     return "Fread";
02523     case FSM_DWRITE:    return "Fwrite";
02524 
02525     case FSM_ROPEN:     return "Fopen";
02526     case FSM_READ:      return "Fread";
02527     case FSM_RCLOSE:    return "Fclose";
02528     case FSM_WOPEN:     return "Fopen";
02529     case FSM_WRITE:     return "Fwrite";
02530     case FSM_WCLOSE:    return "Fclose";
02531 
02532     default:            return "???";
02533     }
02534     /*@noteached@*/
02535 }

Generated on Thu Oct 25 09:23:13 2007 for rpm by  doxygen 1.5.1