lib/fsm.c

Go to the documentation of this file.
00001 
00006 #include "system.h"
00007 
00008 #include <rpmio_internal.h>
00009 #include <rpmlib.h>
00010 
00011 #include "cpio.h"
00012 
00013 #include "fsm.h"
00014 #define fsmUNSAFE       fsmStage
00015 
00016 #include "rpmerr.h"
00017 
00018 #define _RPMFI_INTERNAL
00019 #include "rpmfi.h"
00020 #include "rpmte.h"
00021 #include "rpmts.h"
00022 #include "rpmsq.h"
00023 
00024 #include "ugid.h"               /* XXX unameToUid() and gnameToGid() */
00025 
00026 #include "debug.h"
00027 
00028 /*@access FD_t @*/      /* XXX void ptr args */
00029 /*@access FSMI_t @*/
00030 /*@access FSM_t @*/
00031 
00032 /*@access rpmfi @*/
00033 
00034 #define alloca_strdup(_s)       strcpy(alloca(strlen(_s)+1), (_s))
00035 
00036 #define _FSM_DEBUG      0
00037 /*@unchecked@*/
00038 int _fsm_debug = _FSM_DEBUG;
00039 
00040 /*@-exportheadervar@*/
00041 /*@unchecked@*/
00042 int _fsm_threads = 0;
00043 /*@=exportheadervar@*/
00044 
00045 /* XXX Failure to remove is not (yet) cause for failure. */
00046 /*@-exportlocal -exportheadervar@*/
00047 /*@unchecked@*/
00048 int strict_erasures = 0;
00049 /*@=exportlocal =exportheadervar@*/
00050 
00051 rpmts fsmGetTs(const FSM_t fsm) {
00052     const FSMI_t iter = fsm->iter;
00053     /*@-compdef -refcounttrans -retexpose -usereleased @*/
00054     return (iter ? iter->ts : NULL);
00055     /*@=compdef =refcounttrans =retexpose =usereleased @*/
00056 }
00057 
00058 rpmfi fsmGetFi(const FSM_t fsm)
00059 {
00060     const FSMI_t iter = fsm->iter;
00061     /*@-compdef -refcounttrans -retexpose -usereleased @*/
00062     return (iter ? iter->fi : NULL);
00063     /*@=compdef =refcounttrans =retexpose =usereleased @*/
00064 }
00065 
00066 #define SUFFIX_RPMORIG  ".rpmorig"
00067 #define SUFFIX_RPMSAVE  ".rpmsave"
00068 #define SUFFIX_RPMNEW   ".rpmnew"
00069 
00078 static /*@only@*//*@null@*/
00079 const char * fsmFsPath(/*@special@*/ /*@null@*/ const FSM_t fsm,
00080                 /*@null@*/ const struct stat * st,
00081                 /*@null@*/ const char * subdir,
00082                 /*@null@*/ const char * suffix)
00083         /*@uses fsm->dirName, fsm->baseName */
00084         /*@*/
00085 {
00086     const char * s = NULL;
00087 
00088     if (fsm) {
00089         int nb;
00090         char * t;
00091         nb = strlen(fsm->dirName) +
00092             (st && !S_ISDIR(st->st_mode) ? (subdir ? strlen(subdir) : 0) : 0) +
00093             (st && !S_ISDIR(st->st_mode) ? (suffix ? strlen(suffix) : 0) : 0) +
00094             strlen(fsm->baseName) + 1;
00095 /*@-boundswrite@*/
00096         s = t = xmalloc(nb);
00097         t = stpcpy(t, fsm->dirName);
00098         if (st && !S_ISDIR(st->st_mode))
00099             if (subdir) t = stpcpy(t, subdir);
00100         t = stpcpy(t, fsm->baseName);
00101         if (st && !S_ISDIR(st->st_mode))
00102             if (suffix) t = stpcpy(t, suffix);
00103 /*@=boundswrite@*/
00104     }
00105     return s;
00106 }
00107 
00113 static /*@null@*/ void * mapFreeIterator(/*@only@*//*@null@*/ void * p)
00114         /*@globals fileSystem @*/
00115         /*@modifies fileSystem @*/
00116 {
00117     FSMI_t iter = p;
00118     if (iter) {
00119 /*@-internalglobs@*/ /* XXX rpmswExit() */
00120         iter->ts = rpmtsFree(iter->ts);
00121 /*@=internalglobs@*/
00122         iter->fi = rpmfiUnlink(iter->fi, "mapIterator");
00123     }
00124     return _free(p);
00125 }
00126 
00133 static void *
00134 mapInitIterator(rpmts ts, rpmfi fi)
00135         /*@modifies ts, fi @*/
00136 {
00137     FSMI_t iter = NULL;
00138 
00139     iter = xcalloc(1, sizeof(*iter));
00140     iter->ts = rpmtsLink(ts, "mapIterator");
00141     iter->fi = rpmfiLink(fi, "mapIterator");
00142     iter->reverse = (rpmteType(fi->te) == TR_REMOVED && fi->action != FA_COPYOUT);
00143     iter->i = (iter->reverse ? (fi->fc - 1) : 0);
00144     iter->isave = iter->i;
00145     return iter;
00146 }
00147 
00153 static int mapNextIterator(/*@null@*/ void * a)
00154         /*@*/
00155 {
00156     FSMI_t iter = a;
00157     int i = -1;
00158 
00159     if (iter) {
00160         const rpmfi fi = iter->fi;
00161         if (iter->reverse) {
00162             if (iter->i >= 0)   i = iter->i--;
00163         } else {
00164             if (iter->i < fi->fc)       i = iter->i++;
00165         }
00166         iter->isave = i;
00167     }
00168     return i;
00169 }
00170 
00173 /*@-boundsread@*/
00174 static int cpioStrCmp(const void * a, const void * b)
00175         /*@*/
00176 {
00177     const char * afn = *(const char **)a;
00178     const char * bfn = *(const char **)b;
00179 
00180     /* XXX Some 4+ year old rpm packages have basename only in payloads. */
00181 #ifdef  VERY_OLD_BUGGY_RPM_PACKAGES
00182     if (strchr(afn, '/') == NULL)
00183         bfn = strrchr(bfn, '/') + 1;
00184 #endif
00185 
00186     /* Match rpm-4.0 payloads with ./ prefixes. */
00187     if (afn[0] == '.' && afn[1] == '/') afn += 2;
00188     if (bfn[0] == '.' && bfn[1] == '/') bfn += 2;
00189 
00190     /* If either path is absolute, make it relative. */
00191     if (afn[0] == '/')  afn += 1;
00192     if (bfn[0] == '/')  bfn += 1;
00193 
00194     return strcmp(afn, bfn);
00195 }
00196 /*@=boundsread@*/
00197 
00204 /*@-boundsread@*/
00205 static int mapFind(/*@null@*/ FSMI_t iter, const char * fsmPath)
00206         /*@modifies iter @*/
00207 {
00208     int ix = -1;
00209 
00210     if (iter) {
00211         const rpmfi fi = iter->fi;
00212         if (fi && fi->fc > 0 && fi->apath && fsmPath && *fsmPath) {
00213             const char ** p = NULL;
00214 
00215 /*@-boundswrite@*/
00216             if (fi->apath != NULL)
00217                 p = bsearch(&fsmPath, fi->apath, fi->fc, sizeof(fsmPath),
00218                         cpioStrCmp);
00219 /*@=boundswrite@*/
00220             if (p) {
00221                 iter->i = p - fi->apath;
00222                 ix = mapNextIterator(iter);
00223             }
00224         }
00225     }
00226     return ix;
00227 }
00228 /*@=boundsread@*/
00229 
00233 typedef struct dnli_s {
00234     rpmfi fi;
00235 /*@only@*/ /*@null@*/
00236     char * active;
00237     int reverse;
00238     int isave;
00239     int i;
00240 } * DNLI_t;
00241 
00247 static /*@null@*/ void * dnlFreeIterator(/*@only@*//*@null@*/ const void * a)
00248         /*@modifies a @*/
00249 {
00250     if (a) {
00251         DNLI_t dnli = (void *)a;
00252         if (dnli->active) free(dnli->active);
00253     }
00254     return _free(a);
00255 }
00256 
00259 static inline int dnlCount(/*@null@*/ const DNLI_t dnli)
00260         /*@*/
00261 {
00262     return (dnli ? dnli->fi->dc : 0);
00263 }
00264 
00267 static inline int dnlIndex(/*@null@*/ const DNLI_t dnli)
00268         /*@*/
00269 {
00270     return (dnli ? dnli->isave : -1);
00271 }
00272 
00279 /*@-boundsread@*/
00280 /*@-usereleased@*/
00281 static /*@only@*/ /*@null@*/
00282 void * dnlInitIterator(/*@special@*/ const FSM_t fsm,
00283                 int reverse)
00284         /*@uses fsm->iter @*/ 
00285         /*@*/
00286 {
00287     rpmfi fi = fsmGetFi(fsm);
00288     DNLI_t dnli;
00289     int i, j;
00290 
00291     if (fi == NULL)
00292         return NULL;
00293     dnli = xcalloc(1, sizeof(*dnli));
00294     dnli->fi = fi;
00295     dnli->reverse = reverse;
00296     /*@-branchstate@*/
00297     dnli->i = (reverse ? fi->dc : 0);
00298     /*@=branchstate@*/
00299 
00300     if (fi->dc) {
00301         dnli->active = xcalloc(fi->dc, sizeof(*dnli->active));
00302 
00303         /* Identify parent directories not skipped. */
00304 /*@-boundswrite@*/
00305         for (i = 0; i < fi->fc; i++)
00306             if (!XFA_SKIPPING(fi->actions[i])) dnli->active[fi->dil[i]] = 1;
00307 /*@=boundswrite@*/
00308 
00309         /* Exclude parent directories that are explicitly included. */
00310         for (i = 0; i < fi->fc; i++) {
00311             int dil, dnlen, bnlen;
00312 
00313             if (!S_ISDIR(fi->fmodes[i]))
00314                 continue;
00315 
00316             dil = fi->dil[i];
00317             dnlen = strlen(fi->dnl[dil]);
00318             bnlen = strlen(fi->bnl[i]);
00319 
00320             for (j = 0; j < fi->dc; j++) {
00321                 const char * dnl;
00322                 int jlen;
00323 
00324                 if (!dnli->active[j] || j == dil)
00325                     /*@innercontinue@*/ continue;
00326                 dnl = fi->dnl[j];
00327                 jlen = strlen(dnl);
00328                 if (jlen != (dnlen+bnlen+1))
00329                     /*@innercontinue@*/ continue;
00330                 if (strncmp(dnl, fi->dnl[dil], dnlen))
00331                     /*@innercontinue@*/ continue;
00332                 if (strncmp(dnl+dnlen, fi->bnl[i], bnlen))
00333                     /*@innercontinue@*/ continue;
00334                 if (dnl[dnlen+bnlen] != '/' || dnl[dnlen+bnlen+1] != '\0')
00335                     /*@innercontinue@*/ continue;
00336                 /* This directory is included in the package. */
00337 /*@-boundswrite@*/
00338                 dnli->active[j] = 0;
00339 /*@=boundswrite@*/
00340                 /*@innerbreak@*/ break;
00341             }
00342         }
00343 
00344         /* Print only once per package. */
00345         if (!reverse) {
00346             j = 0;
00347             for (i = 0; i < fi->dc; i++) {
00348                 if (!dnli->active[i]) continue;
00349                 if (j == 0) {
00350                     j = 1;
00351                     rpmMessage(RPMMESS_DEBUG,
00352         _("========== Directories not explicitly included in package:\n"));
00353                 }
00354                 rpmMessage(RPMMESS_DEBUG, _("%10d %s\n"), i, fi->dnl[i]);
00355             }
00356             if (j)
00357                 rpmMessage(RPMMESS_DEBUG, "==========\n");
00358         }
00359     }
00360     return dnli;
00361 }
00362 /*@=usereleased@*/
00363 /*@=boundsread@*/
00364 
00370 /*@-boundsread@*/
00371 static /*@observer@*/ /*@null@*/
00372 const char * dnlNextIterator(/*@null@*/ DNLI_t dnli)
00373         /*@modifies dnli @*/
00374 {
00375     const char * dn = NULL;
00376 
00377     if (dnli) {
00378         rpmfi fi = dnli->fi;
00379         int i = -1;
00380 
00381         if (dnli->active)
00382         do {
00383             i = (!dnli->reverse ? dnli->i++ : --dnli->i);
00384         } while (i >= 0 && i < fi->dc && !dnli->active[i]);
00385 
00386         if (i >= 0 && i < fi->dc)
00387             dn = fi->dnl[i];
00388         else
00389             i = -1;
00390         dnli->isave = i;
00391     }
00392     return dn;
00393 }
00394 /*@=boundsread@*/
00395 
00396 static void * fsmThread(void * arg)
00397         /*@globals h_errno, fileSystem, internalState @*/
00398         /*@modifies arg, fileSystem, internalState @*/
00399 {
00400     FSM_t fsm = arg;
00401 /*@-unqualifiedtrans@*/
00402     return ((void *) fsmStage(fsm, fsm->nstage));
00403 /*@=unqualifiedtrans@*/
00404 }
00405 
00406 int fsmNext(FSM_t fsm, fileStage nstage)
00407         /*@globals h_errno, fileSystem, internalState @*/
00408         /*@modifies fsm, fileSystem, internalState @*/
00409 {
00410     fsm->nstage = nstage;
00411     if (_fsm_threads)
00412         return rpmsqJoin( rpmsqThread(fsmThread, fsm) );
00413     return fsmStage(fsm, fsm->nstage);
00414 }
00415 
00421 /*@-boundsread@*/
00422 static int saveHardLink(/*@special@*/ /*@partial@*/ FSM_t fsm)
00423         /*@uses fsm->links, fsm->ix, fsm->sb, fsm->goal, fsm->nsuffix @*/
00424         /*@defines fsm->li @*/
00425         /*@releases fsm->path @*/
00426         /*@globals h_errno, fileSystem, internalState @*/
00427         /*@modifies fsm, fileSystem, internalState @*/
00428 {
00429     struct stat * st = &fsm->sb;
00430     int rc = 0;
00431     int ix = -1;
00432     int j;
00433 
00434     /* Find hard link set. */
00435     /*@-branchstate@*/
00436     for (fsm->li = fsm->links; fsm->li; fsm->li = fsm->li->next) {
00437         if (fsm->li->sb.st_ino == st->st_ino && fsm->li->sb.st_dev == st->st_dev)
00438             break;
00439     }
00440     /*@=branchstate@*/
00441 
00442     /* New hard link encountered, add new link to set. */
00443 /*@-boundswrite@*/
00444     /*@-branchstate@*/
00445     if (fsm->li == NULL) {
00446         fsm->li = xcalloc(1, sizeof(*fsm->li));
00447         fsm->li->next = NULL;
00448         fsm->li->sb = *st;      /* structure assignment */
00449         fsm->li->nlink = st->st_nlink;
00450         fsm->li->linkIndex = fsm->ix;
00451         fsm->li->createdPath = -1;
00452 
00453         fsm->li->filex = xcalloc(st->st_nlink, sizeof(fsm->li->filex[0]));
00454         memset(fsm->li->filex, -1, (st->st_nlink * sizeof(fsm->li->filex[0])));
00455         fsm->li->nsuffix = xcalloc(st->st_nlink, sizeof(*fsm->li->nsuffix));
00456 
00457         if (fsm->goal == FSM_PKGBUILD)
00458             fsm->li->linksLeft = st->st_nlink;
00459         if (fsm->goal == FSM_PKGINSTALL)
00460             fsm->li->linksLeft = 0;
00461 
00462         /*@-kepttrans@*/
00463         fsm->li->next = fsm->links;
00464         /*@=kepttrans@*/
00465         fsm->links = fsm->li;
00466     }
00467     /*@=branchstate@*/
00468 /*@=boundswrite@*/
00469 
00470     if (fsm->goal == FSM_PKGBUILD) --fsm->li->linksLeft;
00471 /*@-boundswrite@*/
00472     fsm->li->filex[fsm->li->linksLeft] = fsm->ix;
00473     /*@-observertrans -dependenttrans@*/
00474     fsm->li->nsuffix[fsm->li->linksLeft] = fsm->nsuffix;
00475     /*@=observertrans =dependenttrans@*/
00476 /*@=boundswrite@*/
00477     if (fsm->goal == FSM_PKGINSTALL) fsm->li->linksLeft++;
00478 
00479     if (fsm->goal == FSM_PKGBUILD)
00480         return (fsm->li->linksLeft > 0);
00481 
00482     if (fsm->goal != FSM_PKGINSTALL)
00483         return 0;
00484 
00485     if (!(st->st_size || fsm->li->linksLeft == st->st_nlink))
00486         return 1;
00487 
00488     /* Here come the bits, time to choose a non-skipped file name. */
00489     {   rpmfi fi = fsmGetFi(fsm);
00490 
00491         for (j = fsm->li->linksLeft - 1; j >= 0; j--) {
00492             ix = fsm->li->filex[j];
00493             if (ix < 0 || XFA_SKIPPING(fi->actions[ix]))
00494                 continue;
00495             break;
00496         }
00497     }
00498 
00499     /* Are all links skipped or not encountered yet? */
00500     if (ix < 0 || j < 0)
00501         return 1;       /* XXX W2DO? */
00502 
00503     /* Save the non-skipped file name and map index. */
00504     fsm->li->linkIndex = j;
00505     fsm->path = _free(fsm->path);
00506     fsm->ix = ix;
00507     rc = fsmNext(fsm, FSM_MAP);
00508     return rc;
00509 }
00510 /*@=boundsread@*/
00511 
00517 static /*@null@*/ void * freeHardLink(/*@only@*/ /*@null@*/ struct hardLink_s * li)
00518         /*@modifies li @*/
00519 {
00520     if (li) {
00521         li->nsuffix = _free(li->nsuffix);       /* XXX elements are shared */
00522         li->filex = _free(li->filex);
00523     }
00524     return _free(li);
00525 }
00526 
00527 FSM_t newFSM(void)
00528 {
00529     FSM_t fsm = xcalloc(1, sizeof(*fsm));
00530     return fsm;
00531 }
00532 
00533 FSM_t freeFSM(FSM_t fsm)
00534 {
00535     if (fsm) {
00536         fsm->path = _free(fsm->path);
00537         /*@-branchstate@*/
00538         while ((fsm->li = fsm->links) != NULL) {
00539             fsm->links = fsm->li->next;
00540             fsm->li->next = NULL;
00541             fsm->li = freeHardLink(fsm->li);
00542         }
00543         /*@=branchstate@*/
00544         fsm->dnlx = _free(fsm->dnlx);
00545         fsm->ldn = _free(fsm->ldn);
00546         fsm->iter = mapFreeIterator(fsm->iter);
00547     }
00548     return _free(fsm);
00549 }
00550 
00551 int fsmSetup(FSM_t fsm, fileStage goal,
00552                 const rpmts ts, const rpmfi fi, FD_t cfd,
00553                 unsigned int * archiveSize, const char ** failedFile)
00554 {
00555     size_t pos = 0;
00556     int rc, ec = 0;
00557 
00558     fsm->goal = goal;
00559     if (cfd != NULL) {
00560         fsm->cfd = fdLink(cfd, "persist (fsm)");
00561         pos = fdGetCpioPos(fsm->cfd);
00562         fdSetCpioPos(fsm->cfd, 0);
00563     }
00564     fsm->iter = mapInitIterator(ts, fi);
00565 
00566     if (fsm->goal == FSM_PKGINSTALL || fsm->goal == FSM_PKGBUILD) {
00567         void * ptr;
00568         fi->archivePos = 0;
00569         ptr = rpmtsNotify(ts, fi->te,
00570                 RPMCALLBACK_INST_START, fi->archivePos, fi->archiveSize);
00571     }
00572 
00573 /*@-boundswrite@*/
00574     /*@-assignexpose@*/
00575     fsm->archiveSize = archiveSize;
00576     if (fsm->archiveSize)
00577         *fsm->archiveSize = 0;
00578     fsm->failedFile = failedFile;
00579     if (fsm->failedFile)
00580         *fsm->failedFile = NULL;
00581     /*@=assignexpose@*/
00582 /*@=boundswrite@*/
00583 
00584     memset(fsm->sufbuf, 0, sizeof(fsm->sufbuf));
00585     if (fsm->goal == FSM_PKGINSTALL) {
00586         if (ts && rpmtsGetTid(ts) != -1)
00587             sprintf(fsm->sufbuf, ";%08x", (unsigned)rpmtsGetTid(ts));
00588     }
00589 
00590     ec = fsm->rc = 0;
00591     rc = fsmUNSAFE(fsm, FSM_CREATE);
00592     if (rc && !ec) ec = rc;
00593 
00594     rc = fsmUNSAFE(fsm, fsm->goal);
00595     if (rc && !ec) ec = rc;
00596 
00597 /*@-boundswrite@*/
00598     if (fsm->archiveSize && ec == 0)
00599         *fsm->archiveSize = (fdGetCpioPos(fsm->cfd) - pos);
00600 /*@=boundswrite@*/
00601 
00602 /*@-nullstate@*/ /* FIX: *fsm->failedFile may be NULL */
00603    return ec;
00604 /*@=nullstate@*/
00605 }
00606 
00607 int fsmTeardown(FSM_t fsm)
00608 {
00609     int rc = fsm->rc;
00610 
00611     if (!rc)
00612         rc = fsmUNSAFE(fsm, FSM_DESTROY);
00613 
00614     fsm->iter = mapFreeIterator(fsm->iter);
00615     if (fsm->cfd != NULL) {
00616         fsm->cfd = fdFree(fsm->cfd, "persist (fsm)");
00617         fsm->cfd = NULL;
00618     }
00619     fsm->failedFile = NULL;
00620     return rc;
00621 }
00622 
00623 static int fsmMapFContext(FSM_t fsm)
00624         /*@modifies fsm @*/
00625 {
00626     rpmts ts = fsmGetTs(fsm);
00627     rpmfi fi = fsmGetFi(fsm);
00628     struct stat * st = &fsm->sb;
00629 
00630     /*
00631      * Find file security context (if not disabled).
00632      */
00633     fsm->fcontext = NULL;
00634     if (ts != NULL && rpmtsSELinuxEnabled(ts) == 1 &&
00635         !(rpmtsFlags(ts) & RPMTRANS_FLAG_NOCONTEXTS))
00636     {
00637         security_context_t scon = NULL;
00638 
00639         if ( matchpathcon(fsm->path, st->st_mode, &scon) == 0 && scon != NULL) {
00640             /* Get file security context from patterns. */
00641             fsm->fcontext = scon;
00642         } else {
00643             int i = fsm->ix;
00644 
00645             /* Get file security context from package. */
00646             if (fi && i >= 0 && i < fi->fc) {
00647                 fsm->fcontext = (fi->fcontexts ? fi->fcontexts[i] : NULL);
00648                 return 1;
00649             }
00650         }
00651     }
00652     return 0;
00653 }
00654 
00655 int fsmMapPath(FSM_t fsm)
00656 {
00657     rpmfi fi = fsmGetFi(fsm);   /* XXX const except for fstates */
00658     int rc = 0;
00659     int i;
00660 
00661     fsm->osuffix = NULL;
00662     fsm->nsuffix = NULL;
00663     fsm->astriplen = 0;
00664     fsm->action = FA_UNKNOWN;
00665     fsm->mapFlags = 0;
00666 
00667     i = fsm->ix;
00668     if (fi && i >= 0 && i < fi->fc) {
00669 
00670 /*@-boundsread@*/
00671         fsm->astriplen = fi->astriplen;
00672         fsm->action = (fi->actions ? fi->actions[i] : fi->action);
00673         fsm->fflags = (fi->fflags ? fi->fflags[i] : fi->flags);
00674         fsm->mapFlags = (fi->fmapflags ? fi->fmapflags[i] : fi->mapflags);
00675 
00676         /* src rpms have simple base name in payload. */
00677         fsm->dirName = fi->dnl[fi->dil[i]];
00678         fsm->baseName = fi->bnl[i];
00679 /*@=boundsread@*/
00680 
00681 /*@-boundswrite@*/
00682         switch (fsm->action) {
00683         case FA_SKIP:
00684             break;
00685         case FA_UNKNOWN:
00686             break;
00687 
00688         case FA_COPYOUT:
00689             break;
00690         case FA_COPYIN:
00691         case FA_CREATE:
00692 assert(rpmteType(fi->te) == TR_ADDED);
00693             break;
00694 
00695         case FA_SKIPNSTATE:
00696             if (fi->fstates && rpmteType(fi->te) == TR_ADDED)
00697                 fi->fstates[i] = RPMFILE_STATE_NOTINSTALLED;
00698             break;
00699 
00700         case FA_SKIPNETSHARED:
00701             if (fi->fstates && rpmteType(fi->te) == TR_ADDED)
00702                 fi->fstates[i] = RPMFILE_STATE_NETSHARED;
00703             break;
00704 
00705         case FA_SKIPCOLOR:
00706             if (fi->fstates && rpmteType(fi->te) == TR_ADDED)
00707                 fi->fstates[i] = RPMFILE_STATE_WRONGCOLOR;
00708             break;
00709 
00710         case FA_BACKUP:
00711             if (!(fsm->fflags & RPMFILE_GHOST)) /* XXX Don't if %ghost file. */
00712             switch (rpmteType(fi->te)) {
00713             case TR_ADDED:
00714                 fsm->osuffix = SUFFIX_RPMORIG;
00715                 /*@innerbreak@*/ break;
00716             case TR_REMOVED:
00717                 fsm->osuffix = SUFFIX_RPMSAVE;
00718                 /*@innerbreak@*/ break;
00719             }
00720             break;
00721 
00722         case FA_ALTNAME:
00723 assert(rpmteType(fi->te) == TR_ADDED);
00724             if (!(fsm->fflags & RPMFILE_GHOST)) /* XXX Don't if %ghost file. */
00725                 fsm->nsuffix = SUFFIX_RPMNEW;
00726             break;
00727 
00728         case FA_SAVE:
00729 assert(rpmteType(fi->te) == TR_ADDED);
00730             if (!(fsm->fflags & RPMFILE_GHOST)) /* XXX Don't if %ghost file. */
00731                 fsm->osuffix = SUFFIX_RPMSAVE;
00732             break;
00733         case FA_ERASE:
00734 #if 0   /* XXX is this a genhdlist fix? */
00735             assert(rpmteType(fi->te) == TR_REMOVED);
00736 #endif
00737             /*
00738              * XXX TODO: %ghost probably shouldn't be removed, but that changes
00739              * legacy rpm behavior.
00740              */
00741             break;
00742         default:
00743             break;
00744         }
00745 /*@=boundswrite@*/
00746 
00747         if ((fsm->mapFlags & CPIO_MAP_PATH) || fsm->nsuffix) {
00748             const struct stat * st = &fsm->sb;
00749             fsm->path = _free(fsm->path);
00750             fsm->path = fsmFsPath(fsm, st, fsm->subdir,
00751                 (fsm->suffix ? fsm->suffix : fsm->nsuffix));
00752         }
00753     }
00754     return rc;
00755 }
00756 
00757 int fsmMapAttrs(FSM_t fsm)
00758 {
00759     struct stat * st = &fsm->sb;
00760     rpmfi fi = fsmGetFi(fsm);
00761     int i = fsm->ix;
00762 
00763     if (fi && i >= 0 && i < fi->fc) {
00764         mode_t perms = (S_ISDIR(st->st_mode) ? fi->dperms : fi->fperms);
00765         mode_t finalMode = (fi->fmodes ? fi->fmodes[i] : perms);
00766         dev_t finalRdev = (fi->frdevs ? fi->frdevs[i] : 0);
00767         int_32 finalMtime = (fi->fmtimes ? fi->fmtimes[i] : 0);
00768         uid_t uid = fi->uid;
00769         gid_t gid = fi->gid;
00770 
00771         if (fi->fuser && unameToUid(fi->fuser[i], &uid)) {
00772             if (fsm->goal == FSM_PKGINSTALL)
00773                 rpmMessage(RPMMESS_WARNING,
00774                     _("user %s does not exist - using root\n"), fi->fuser[i]);
00775             uid = 0;
00776             finalMode &= ~S_ISUID;      /* turn off suid bit */
00777         }
00778 
00779         if (fi->fgroup && gnameToGid(fi->fgroup[i], &gid)) {
00780             if (fsm->goal == FSM_PKGINSTALL)
00781                 rpmMessage(RPMMESS_WARNING,
00782                     _("group %s does not exist - using root\n"), fi->fgroup[i]);
00783             gid = 0;
00784             finalMode &= ~S_ISGID;      /* turn off sgid bit */
00785         }
00786 
00787         if (fsm->mapFlags & CPIO_MAP_MODE)
00788             st->st_mode = (st->st_mode & S_IFMT) | (finalMode & ~S_IFMT);
00789         if (fsm->mapFlags & CPIO_MAP_TYPE) {
00790             st->st_mode = (st->st_mode & ~S_IFMT) | (finalMode & S_IFMT);
00791             if ((S_ISCHR(st->st_mode) || S_ISBLK(st->st_mode))
00792             && st->st_nlink == 0)
00793                 st->st_nlink = 1;
00794             st->st_rdev = finalRdev;
00795             st->st_mtime = finalMtime;
00796         }
00797         if (fsm->mapFlags & CPIO_MAP_UID)
00798             st->st_uid = uid;
00799         if (fsm->mapFlags & CPIO_MAP_GID)
00800             st->st_gid = gid;
00801 
00802         {   rpmts ts = fsmGetTs(fsm);
00803 
00804             /*
00805              * Set file md5 (if not disabled).
00806              */
00807             if (ts != NULL && !(rpmtsFlags(ts) & RPMTRANS_FLAG_NOMD5)) {
00808                 fsm->fmd5sum = (fi->fmd5s ? fi->fmd5s[i] : NULL);
00809                 fsm->md5sum = (fi->md5s ? (fi->md5s + (16 * i)) : NULL);
00810             } else {
00811                 fsm->fmd5sum = NULL;
00812                 fsm->md5sum = NULL;
00813             }
00814         }
00815 
00816     }
00817     return 0;
00818 }
00819 
00825 /*@-compdef@*/
00826 static int expandRegular(/*@special@*/ FSM_t fsm)
00827         /*@uses fsm->fmd5sum, fsm->md5sum, fsm->sb, fsm->wfd  @*/
00828         /*@globals h_errno, fileSystem, internalState @*/
00829         /*@modifies fsm, fileSystem, internalState @*/
00830 {
00831     const struct stat * st = &fsm->sb;
00832     int left = st->st_size;
00833     int rc = 0;
00834 
00835     rc = fsmNext(fsm, FSM_WOPEN);
00836     if (rc)
00837         goto exit;
00838 
00839     if (st->st_size > 0 && (fsm->fmd5sum != NULL || fsm->md5sum != NULL))
00840         fdInitDigest(fsm->wfd, PGPHASHALGO_MD5, 0);
00841 
00842     while (left) {
00843 
00844         fsm->wrlen = (left > fsm->wrsize ? fsm->wrsize : left);
00845         rc = fsmNext(fsm, FSM_DREAD);
00846         if (rc)
00847             goto exit;
00848 
00849         rc = fsmNext(fsm, FSM_WRITE);
00850         if (rc)
00851             goto exit;
00852 
00853         left -= fsm->wrnb;
00854 
00855         /* don't call this with fileSize == fileComplete */
00856         if (!rc && left)
00857             (void) fsmNext(fsm, FSM_NOTIFY);
00858     }
00859 
00860     if (st->st_size > 0 && (fsm->fmd5sum || fsm->md5sum)) {
00861         void * md5sum = NULL;
00862         int asAscii = (fsm->md5sum == NULL ? 1 : 0);
00863 
00864         (void) Fflush(fsm->wfd);
00865         fdFiniDigest(fsm->wfd, PGPHASHALGO_MD5, &md5sum, NULL, asAscii);
00866 
00867         if (md5sum == NULL) {
00868             rc = CPIOERR_MD5SUM_MISMATCH;
00869             goto exit;
00870         }
00871 
00872         if (fsm->md5sum != NULL) {
00873             if (memcmp(md5sum, fsm->md5sum, 16))
00874                 rc = CPIOERR_MD5SUM_MISMATCH;
00875         } else {
00876             if (strcmp(md5sum, fsm->fmd5sum))
00877                 rc = CPIOERR_MD5SUM_MISMATCH;
00878         }
00879         md5sum = _free(md5sum);
00880     }
00881 
00882 exit:
00883     (void) fsmNext(fsm, FSM_WCLOSE);
00884     return rc;
00885 }
00886 /*@=compdef@*/
00887 
00894 /*@-compdef -compmempass@*/
00895 static int writeFile(/*@special@*/ /*@partial@*/ FSM_t fsm, int writeData)
00896         /*@uses fsm->path, fsm->opath, fsm->sb, fsm->osb, fsm->cfd @*/
00897         /*@globals h_errno, fileSystem, internalState @*/
00898         /*@modifies fsm, fileSystem, internalState @*/
00899 {
00900     const char * path = fsm->path;
00901     const char * opath = fsm->opath;
00902     struct stat * st = &fsm->sb;
00903     struct stat * ost = &fsm->osb;
00904     char * symbuf = NULL;
00905     int left;
00906     int xx;
00907     int rc;
00908 
00909     st->st_size = (writeData ? ost->st_size : 0);
00910 
00911     /*@-branchstate@*/
00912     if (S_ISDIR(st->st_mode)) {
00913         st->st_size = 0;
00914     } else if (S_ISLNK(st->st_mode)) {
00915         /*
00916          * While linux puts the size of a symlink in the st_size field,
00917          * I don't think that's a specified standard.
00918          */
00919         /* XXX NUL terminated result in fsm->rdbuf, len in fsm->rdnb. */
00920         rc = fsmUNSAFE(fsm, FSM_READLINK);
00921         if (rc) goto exit;
00922         st->st_size = fsm->rdnb;
00923         symbuf = alloca_strdup(fsm->rdbuf);     /* XXX save readlink return. */
00924     }
00925     /*@=branchstate@*/
00926 
00927     if (fsm->mapFlags & CPIO_MAP_ABSOLUTE) {
00928 /*@-boundswrite@*/
00929         int nb = strlen(fsm->dirName) + strlen(fsm->baseName) + sizeof(".");
00930         char * t = alloca(nb);
00931         *t = '\0';
00932         fsm->path = t;
00933         if (fsm->mapFlags & CPIO_MAP_ADDDOT)
00934             *t++ = '.';
00935         t = stpcpy( stpcpy(t, fsm->dirName), fsm->baseName);
00936 /*@=boundswrite@*/
00937     } else if (fsm->mapFlags & CPIO_MAP_PATH) {
00938         rpmfi fi = fsmGetFi(fsm);
00939         fsm->path =
00940             (fi->apath ? fi->apath[fsm->ix] + fi->striplen : fi->bnl[fsm->ix]);
00941     }
00942 
00943     rc = fsmNext(fsm, FSM_HWRITE);
00944     fsm->path = path;
00945     if (rc) goto exit;
00946 
00947     if (writeData && S_ISREG(st->st_mode)) {
00948 #ifdef HAVE_MMAP
00949         char * rdbuf = NULL;
00950         void * mapped = (void *)-1;
00951         size_t nmapped;
00952 #endif
00953 
00954         rc = fsmNext(fsm, FSM_ROPEN);
00955         if (rc) goto exit;
00956 
00957         /* XXX unbuffered mmap generates *lots* of fdio debugging */
00958 #ifdef HAVE_MMAP
00959         nmapped = 0;
00960         mapped = mmap(NULL, st->st_size, PROT_READ, MAP_SHARED, Fileno(fsm->rfd), 0);
00961         if (mapped != (void *)-1) {
00962             rdbuf = fsm->rdbuf;
00963             fsm->rdbuf = (char *) mapped;
00964             fsm->rdlen = nmapped = st->st_size;
00965 #if defined(MADV_DONTNEED)
00966             xx = madvise(mapped, nmapped, MADV_DONTNEED);
00967 #endif
00968         }
00969 #endif
00970 
00971         left = st->st_size;
00972 
00973         while (left) {
00974 #ifdef HAVE_MMAP
00975           if (mapped != (void *)-1) {
00976             fsm->rdnb = nmapped;
00977           } else
00978 #endif
00979           {
00980             fsm->rdlen = (left > fsm->rdsize ? fsm->rdsize : left),
00981             rc = fsmNext(fsm, FSM_READ);
00982             if (rc) goto exit;
00983           }
00984 
00985             /* XXX DWRITE uses rdnb for I/O length. */
00986             rc = fsmNext(fsm, FSM_DWRITE);
00987             if (rc) goto exit;
00988 
00989             left -= fsm->wrnb;
00990         }
00991 
00992 #ifdef HAVE_MMAP
00993 /*@-branchstate@*/
00994         if (mapped != (void *)-1) {
00995             xx = msync(mapped, nmapped, MS_ASYNC);
00996 #if defined(MADV_DONTNEED)
00997             xx = madvise(mapped, nmapped, MADV_DONTNEED);
00998 #endif
00999 /*@-noeffect@*/
01000             xx = munmap(mapped, nmapped);
01001 /*@=noeffect@*/
01002             fsm->rdbuf = rdbuf;
01003         }
01004 /*@=branchstate@*/
01005 #endif
01006 
01007     } else if (writeData && S_ISLNK(st->st_mode)) {
01008         /* XXX DWRITE uses rdnb for I/O length. */
01009 /*@-boundswrite@*/
01010         strcpy(fsm->rdbuf, symbuf);     /* XXX restore readlink buffer. */
01011 /*@=boundswrite@*/
01012         fsm->rdnb = strlen(symbuf);
01013         rc = fsmNext(fsm, FSM_DWRITE);
01014         if (rc) goto exit;
01015     }
01016 
01017     rc = fsmNext(fsm, FSM_PAD);
01018     if (rc) goto exit;
01019 
01020     rc = 0;
01021 
01022 exit:
01023     if (fsm->rfd != NULL)
01024         (void) fsmNext(fsm, FSM_RCLOSE);
01025 /*@-dependenttrans@*/
01026     fsm->opath = opath;
01027     fsm->path = path;
01028 /*@=dependenttrans@*/
01029     return rc;
01030 }
01031 /*@=compdef =compmempass@*/
01032 
01038 static int writeLinkedFile(/*@special@*/ /*@partial@*/ FSM_t fsm)
01039         /*@uses fsm->path, fsm->nsuffix, fsm->ix, fsm->li, fsm->failedFile @*/
01040         /*@globals h_errno, fileSystem, internalState @*/
01041         /*@modifies fsm, fileSystem, internalState @*/
01042 {
01043     const char * path = fsm->path;
01044     const char * nsuffix = fsm->nsuffix;
01045     int iterIndex = fsm->ix;
01046     int ec = 0;
01047     int rc;
01048     int i;
01049 
01050     fsm->path = NULL;
01051     fsm->nsuffix = NULL;
01052     fsm->ix = -1;
01053 
01054 /*@-boundswrite@*/
01055 /*@-branchstate@*/
01056     for (i = fsm->li->nlink - 1; i >= 0; i--) {
01057 
01058         if (fsm->li->filex[i] < 0) continue;
01059 
01060         fsm->ix = fsm->li->filex[i];
01061 /*@-compdef@*/
01062         rc = fsmNext(fsm, FSM_MAP);
01063 /*@=compdef@*/
01064 
01065         /* Write data after last link. */
01066         rc = writeFile(fsm, (i == 0));
01067         if (fsm->failedFile && rc != 0 && *fsm->failedFile == NULL) {
01068             ec = rc;
01069             *fsm->failedFile = xstrdup(fsm->path);
01070         }
01071 
01072         fsm->path = _free(fsm->path);
01073         fsm->li->filex[i] = -1;
01074     }
01075 /*@=branchstate@*/
01076 /*@=boundswrite@*/
01077 
01078     fsm->ix = iterIndex;
01079     fsm->nsuffix = nsuffix;
01080     fsm->path = path;
01081     return ec;
01082 }
01083 
01089 /*@-boundsread@*/
01090 /*@-compdef@*/
01091 static int fsmMakeLinks(/*@special@*/ /*@partial@*/ FSM_t fsm)
01092         /*@uses fsm->path, fsm->opath, fsm->nsuffix, fsm->ix, fsm->li @*/
01093         /*@globals h_errno, fileSystem, internalState @*/
01094         /*@modifies fsm, fileSystem, internalState @*/
01095 {
01096     const char * path = fsm->path;
01097     const char * opath = fsm->opath;
01098     const char * nsuffix = fsm->nsuffix;
01099     int iterIndex = fsm->ix;
01100     int ec = 0;
01101     int rc;
01102     int i;
01103 
01104     fsm->path = NULL;
01105     fsm->opath = NULL;
01106     fsm->nsuffix = NULL;
01107     fsm->ix = -1;
01108 
01109     fsm->ix = fsm->li->filex[fsm->li->createdPath];
01110     rc = fsmNext(fsm, FSM_MAP);
01111     fsm->opath = fsm->path;
01112     fsm->path = NULL;
01113     /*@-branchstate@*/
01114     for (i = 0; i < fsm->li->nlink; i++) {
01115         if (fsm->li->filex[i] < 0) continue;
01116         if (fsm->li->createdPath == i) continue;
01117 
01118         fsm->ix = fsm->li->filex[i];
01119         fsm->path = _free(fsm->path);
01120         rc = fsmNext(fsm, FSM_MAP);
01121         if (XFA_SKIPPING(fsm->action)) continue;
01122 
01123         rc = fsmUNSAFE(fsm, FSM_VERIFY);
01124         if (!rc) continue;
01125         if (!(rc == CPIOERR_ENOENT)) break;
01126 
01127         /* XXX link(fsm->opath, fsm->path) */
01128         rc = fsmNext(fsm, FSM_LINK);
01129         if (fsm->failedFile && rc != 0 && *fsm->failedFile == NULL) {
01130             ec = rc;
01131 /*@-boundswrite@*/
01132             *fsm->failedFile = xstrdup(fsm->path);
01133 /*@=boundswrite@*/
01134         }
01135 
01136         fsm->li->linksLeft--;
01137     }
01138     /*@=branchstate@*/
01139     fsm->path = _free(fsm->path);
01140     fsm->opath = _free(fsm->opath);
01141 
01142     fsm->ix = iterIndex;
01143     fsm->nsuffix = nsuffix;
01144     fsm->path = path;
01145     fsm->opath = opath;
01146     return ec;
01147 }
01148 /*@=compdef@*/
01149 /*@=boundsread@*/
01150 
01156 /*@-compdef@*/
01157 static int fsmCommitLinks(/*@special@*/ /*@partial@*/ FSM_t fsm)
01158         /*@uses fsm->path, fsm->nsuffix, fsm->ix, fsm->sb,
01159                 fsm->li, fsm->links @*/
01160         /*@globals h_errno, fileSystem, internalState @*/
01161         /*@modifies fsm, fileSystem, internalState @*/
01162 {
01163     const char * path = fsm->path;
01164     const char * nsuffix = fsm->nsuffix;
01165     int iterIndex = fsm->ix;
01166     struct stat * st = &fsm->sb;
01167     int rc = 0;
01168     int i;
01169 
01170     fsm->path = NULL;
01171     fsm->nsuffix = NULL;
01172     fsm->ix = -1;
01173 
01174     /*@-branchstate@*/
01175     for (fsm->li = fsm->links; fsm->li; fsm->li = fsm->li->next) {
01176         if (fsm->li->sb.st_ino == st->st_ino && fsm->li->sb.st_dev == st->st_dev)
01177             break;
01178     }
01179     /*@=branchstate@*/
01180 
01181 /*@-boundswrite@*/
01182     for (i = 0; i < fsm->li->nlink; i++) {
01183         if (fsm->li->filex[i] < 0) continue;
01184         fsm->ix = fsm->li->filex[i];
01185         rc = fsmNext(fsm, FSM_MAP);
01186         if (!XFA_SKIPPING(fsm->action))
01187             rc = fsmNext(fsm, FSM_COMMIT);
01188         fsm->path = _free(fsm->path);
01189         fsm->li->filex[i] = -1;
01190     }
01191 /*@=boundswrite@*/
01192 
01193     fsm->ix = iterIndex;
01194     fsm->nsuffix = nsuffix;
01195     fsm->path = path;
01196     return rc;
01197 }
01198 /*@=compdef@*/
01199 
01205 static int fsmRmdirs(/*@special@*/ /*@partial@*/ FSM_t fsm)
01206         /*@uses fsm->path, fsm->dnlx, fsm->ldn, fsm->rdbuf, fsm->iter @*/
01207         /*@globals h_errno, fileSystem, internalState @*/
01208         /*@modifies fsm, fileSystem, internalState @*/
01209 {
01210     const char * path = fsm->path;
01211     void * dnli = dnlInitIterator(fsm, 1);
01212     char * dn = fsm->rdbuf;
01213     int dc = dnlCount(dnli);
01214     int rc = 0;
01215 
01216     fsm->path = NULL;
01217 /*@-boundswrite@*/
01218     dn[0] = '\0';
01219     /*@-observertrans -dependenttrans@*/
01220     if (fsm->ldn != NULL && fsm->dnlx != NULL)
01221     while ((fsm->path = dnlNextIterator(dnli)) != NULL) {
01222         int dnlen = strlen(fsm->path);
01223         char * te;
01224 
01225         dc = dnlIndex(dnli);
01226         if (fsm->dnlx[dc] < 1 || fsm->dnlx[dc] >= dnlen)
01227             continue;
01228 
01229         /* Copy to avoid const on fsm->path. */
01230         te = stpcpy(dn, fsm->path) - 1;
01231         fsm->path = dn;
01232 
01233         /* Remove generated directories. */
01234         /*@-usereleased@*/ /* LCL: te used after release? */
01235         do {
01236             if (*te == '/') {
01237                 *te = '\0';
01238 /*@-compdef@*/
01239                 rc = fsmNext(fsm, FSM_RMDIR);
01240 /*@=compdef@*/
01241                 *te = '/';
01242             }
01243             if (rc)
01244                 /*@innerbreak@*/ break;
01245             te--;
01246         } while ((te - fsm->path) > fsm->dnlx[dc]);
01247         /*@=usereleased@*/
01248     }
01249 /*@=boundswrite@*/
01250     dnli = dnlFreeIterator(dnli);
01251     /*@=observertrans =dependenttrans@*/
01252 
01253     fsm->path = path;
01254     return rc;
01255 }
01256 
01262 static int fsmMkdirs(/*@special@*/ /*@partial@*/ FSM_t fsm)
01263         /*@uses fsm->path, fsm->sb, fsm->osb, fsm->rdbuf, fsm->iter,
01264                 fsm->ldn, fsm->ldnlen, fsm->ldnalloc @*/
01265         /*@defines fsm->dnlx, fsm->ldn @*/
01266         /*@globals h_errno, fileSystem, internalState @*/
01267         /*@modifies fsm, fileSystem, internalState @*/
01268 {
01269     struct stat * st = &fsm->sb;
01270     struct stat * ost = &fsm->osb;
01271     const char * path = fsm->path;
01272     mode_t st_mode = st->st_mode;
01273     void * dnli = dnlInitIterator(fsm, 0);
01274     char * dn = fsm->rdbuf;
01275     int dc = dnlCount(dnli);
01276     int rc = 0;
01277     int i;
01278 /*@-compdef@*/
01279     rpmts ts = fsmGetTs(fsm);
01280 /*@=compdef@*/
01281     security_context_t scon = NULL;
01282 
01283     fsm->path = NULL;
01284 
01285 /*@-boundswrite@*/
01286     dn[0] = '\0';
01287     fsm->dnlx = (dc ? xcalloc(dc, sizeof(*fsm->dnlx)) : NULL);
01288     /*@-observertrans -dependenttrans@*/
01289     if (fsm->dnlx != NULL)
01290     while ((fsm->path = dnlNextIterator(dnli)) != NULL) {
01291         int dnlen = strlen(fsm->path);
01292         char * te;
01293 
01294         dc = dnlIndex(dnli);
01295         if (dc < 0) continue;
01296         fsm->dnlx[dc] = dnlen;
01297         if (dnlen <= 1)
01298             continue;
01299 
01300         /*@-compdef -nullpass@*/        /* FIX: fsm->ldn not defined ??? */
01301         if (dnlen <= fsm->ldnlen && !strcmp(fsm->path, fsm->ldn))
01302             continue;
01303         /*@=compdef =nullpass@*/
01304 
01305         /* Copy to avoid const on fsm->path. */
01306         (void) stpcpy(dn, fsm->path);
01307         fsm->path = dn;
01308 
01309         /* Assume '/' directory exists, "mkdir -p" for others if non-existent */
01310         for (i = 1, te = dn + 1; *te != '\0'; te++, i++) {
01311             if (*te != '/')
01312                 /*@innercontinue@*/ continue;
01313 
01314             *te = '\0';
01315 
01316             /* Already validated? */
01317             /*@-usedef -compdef -nullpass -nullderef@*/
01318             if (i < fsm->ldnlen &&
01319                 (fsm->ldn[i] == '/' || fsm->ldn[i] == '\0') &&
01320                 !strncmp(fsm->path, fsm->ldn, i))
01321             {
01322                 *te = '/';
01323                 /* Move pre-existing path marker forward. */
01324                 fsm->dnlx[dc] = (te - dn);
01325                 /*@innercontinue@*/ continue;
01326             }
01327             /*@=usedef =compdef =nullpass =nullderef@*/
01328 
01329             /* Validate next component of path. */
01330             rc = fsmUNSAFE(fsm, FSM_LSTAT);
01331             *te = '/';
01332 
01333             /* Directory already exists? */
01334             if (rc == 0 && S_ISDIR(ost->st_mode)) {
01335                 /* Move pre-existing path marker forward. */
01336                 fsm->dnlx[dc] = (te - dn);
01337             } else if (rc == CPIOERR_ENOENT) {
01338                 rpmfi fi = fsmGetFi(fsm);
01339                 *te = '\0';
01340                 st->st_mode = S_IFDIR | (fi->dperms & 07777);
01341                 rc = fsmNext(fsm, FSM_MKDIR);
01342                 if (!rc) {
01343                     /* XXX FIXME? only new dir will have context set. */
01344                     /* Get file security context from patterns. */
01345                     if (rpmtsSELinuxEnabled(ts) &&
01346                         ! rpmtsFlags(ts) & RPMTRANS_FLAG_NOCONTEXTS) {
01347                         if (matchpathcon(fsm->path, st->st_mode, &scon) == 0 &&
01348                             scon != NULL) {
01349                                 fsm->fcontext = scon;
01350                                 rc = fsmNext(fsm, FSM_LSETFCON);
01351                         }
01352                     }
01353                         
01354                     if (fsm->fcontext == NULL)
01355                         rpmMessage(RPMMESS_DEBUG,
01356                             _("%s directory created with perms %04o, no context.\n"),
01357                             fsm->path, (unsigned)(st->st_mode & 07777));
01358                     else {
01359                         rpmMessage(RPMMESS_DEBUG,
01360                             _("%s directory created with perms %04o, context %s.\n"),
01361                             fsm->path, (unsigned)(st->st_mode & 07777),
01362                             fsm->fcontext);
01363                         freecon(fsm->fcontext);
01364                     }
01365                     fsm->fcontext = NULL;
01366                 }
01367                 *te = '/';
01368             }
01369             if (rc)
01370                 /*@innerbreak@*/ break;
01371         }
01372         if (rc) break;
01373 
01374         /* Save last validated path. */
01375 /*@-compdef@*/ /* FIX: ldn/path annotations ? */
01376         if (fsm->ldnalloc < (dnlen + 1)) {
01377             fsm->ldnalloc = dnlen + 100;
01378             fsm->ldn = xrealloc(fsm->ldn, fsm->ldnalloc);
01379         }
01380         if (fsm->ldn != NULL) { /* XXX can't happen */
01381             strcpy(fsm->ldn, fsm->path);
01382             fsm->ldnlen = dnlen;
01383         }
01384 /*@=compdef@*/
01385     }
01386 /*@=boundswrite@*/
01387     dnli = dnlFreeIterator(dnli);
01388     /*@=observertrans =dependenttrans@*/
01389 
01390     fsm->path = path;
01391     st->st_mode = st_mode;              /* XXX restore st->st_mode */
01392 /*@-compdef@*/ /* FIX: ldn/path annotations ? */
01393     return rc;
01394 /*@=compdef@*/
01395 }
01396 
01397 #ifdef  NOTYET
01398 
01403 static int fsmStat(/*@special@*/ /*@partial@*/ FSM_t fsm)
01404         /*@globals fileSystem, internalState @*/
01405         /*@modifies fsm, fileSystem, internalState @*/
01406 {
01407     int rc = 0;
01408 
01409     if (fsm->path != NULL) {
01410         int saveernno = errno;
01411         rc = fsmUNSAFE(fsm, (!(fsm->mapFlags & CPIO_FOLLOW_SYMLINKS)
01412                         ? FSM_LSTAT : FSM_STAT));
01413         if (rc == CPIOERR_ENOENT) {
01414             errno = saveerrno;
01415             rc = 0;
01416             fsm->exists = 0;
01417         } else if (rc == 0) {
01418             fsm->exists = 1;
01419         }
01420     } else {
01421         /* Skip %ghost files on build. */
01422         fsm->exists = 0;
01423     }
01424     return rc;
01425 }
01426 #endif
01427 
01428 static void removeSBITS(const char *path)
01429 {
01430     struct stat stb;
01431     if (lstat(path, &stb) == 0 && S_ISREG(stb.st_mode)) {
01432         if ((stb.st_mode & 06000) != 0) {
01433             (void) chmod(path, stb.st_mode & 0777);
01434         }
01435     }
01436 }
01437 
01438 #define IS_DEV_LOG(_x)  \
01439         ((_x) != NULL && strlen(_x) >= (sizeof("/dev/log")-1) && \
01440         !strncmp((_x), "/dev/log", sizeof("/dev/log")-1) && \
01441         ((_x)[sizeof("/dev/log")-1] == '\0' || \
01442          (_x)[sizeof("/dev/log")-1] == ';'))
01443 
01444 /*@-boundsread@*/
01445 /*@-compmempass@*/
01446 int fsmStage(FSM_t fsm, fileStage stage)
01447 {
01448 #ifdef  UNUSED
01449     fileStage prevStage = fsm->stage;
01450     const char * const prev = fileStageString(prevStage);
01451 #endif
01452     static int modulo = 4;
01453     const char * const cur = fileStageString(stage);
01454     struct stat * st = &fsm->sb;
01455     struct stat * ost = &fsm->osb;
01456     int saveerrno = errno;
01457     int rc = fsm->rc;
01458     size_t left;
01459     int i;
01460 
01461 #define _fafilter(_a)   \
01462     (!((_a) == FA_CREATE || (_a) == FA_ERASE || (_a) == FA_COPYIN || (_a) == FA_COPYOUT) \
01463         ? fileActionString(_a) : "")
01464 
01465     if (stage & FSM_DEAD) {
01466         /* do nothing */
01467     } else if (stage & FSM_INTERNAL) {
01468         if (_fsm_debug && !(stage & FSM_SYSCALL))
01469             rpmMessage(RPMMESS_DEBUG, " %8s %06o%3d (%4d,%4d)%10d %s %s\n",
01470                 cur,
01471                 (unsigned)st->st_mode, (int)st->st_nlink,
01472                 (int)st->st_uid, (int)st->st_gid, (int)st->st_size,
01473                 (fsm->path ? fsm->path : ""),
01474                 _fafilter(fsm->action));
01475     } else {
01476         fsm->stage = stage;
01477         if (_fsm_debug || !(stage & FSM_VERBOSE))
01478             rpmMessage(RPMMESS_DEBUG, "%-8s  %06o%3d (%4d,%4d)%10d %s %s\n",
01479                 cur,
01480                 (unsigned)st->st_mode, (int)st->st_nlink,
01481                 (int)st->st_uid, (int)st->st_gid, (int)st->st_size,
01482                 (fsm->path ? fsm->path + fsm->astriplen : ""),
01483                 _fafilter(fsm->action));
01484     }
01485 #undef  _fafilter
01486 
01487     /*@-branchstate@*/
01488     switch (stage) {
01489     case FSM_UNKNOWN:
01490         break;
01491     case FSM_PKGINSTALL:
01492         while (1) {
01493             /* Clean fsm, free'ing memory. Read next archive header. */
01494             rc = fsmUNSAFE(fsm, FSM_INIT);
01495 
01496             /* Exit on end-of-payload. */
01497             if (rc == CPIOERR_HDR_TRAILER) {
01498                 rc = 0;
01499                 /*@loopbreak@*/ break;
01500             }
01501 
01502             /* Exit on error. */
01503             if (rc) {
01504                 fsm->postpone = 1;
01505                 (void) fsmNext(fsm, FSM_UNDO);
01506                 /*@loopbreak@*/ break;
01507             }
01508 
01509             /* Extract file from archive. */
01510             rc = fsmNext(fsm, FSM_PROCESS);
01511             if (rc) {
01512                 (void) fsmNext(fsm, FSM_UNDO);
01513                 /*@loopbreak@*/ break;
01514             }
01515 
01516             /* Notify on success. */
01517             (void) fsmNext(fsm, FSM_NOTIFY);
01518 
01519             rc = fsmNext(fsm, FSM_FINI);
01520             if (rc) {
01521                 /*@loopbreak@*/ break;
01522             }
01523         }
01524         break;
01525     case FSM_PKGERASE:
01526     case FSM_PKGCOMMIT:
01527         while (1) {
01528             /* Clean fsm, free'ing memory. */
01529             rc = fsmUNSAFE(fsm, FSM_INIT);
01530 
01531             /* Exit on end-of-payload. */
01532             if (rc == CPIOERR_HDR_TRAILER) {
01533                 rc = 0;
01534                 /*@loopbreak@*/ break;
01535             }
01536 
01537             /* Rename/erase next item. */
01538             if (fsmNext(fsm, FSM_FINI))
01539                 /*@loopbreak@*/ break;
01540         }
01541         break;
01542     case FSM_PKGBUILD:
01543         while (1) {
01544 
01545             rc = fsmUNSAFE(fsm, FSM_INIT);
01546 
01547             /* Exit on end-of-payload. */
01548             if (rc == CPIOERR_HDR_TRAILER) {
01549                 rc = 0;
01550                 /*@loopbreak@*/ break;
01551             }
01552 
01553             /* Exit on error. */
01554             if (rc) {
01555                 fsm->postpone = 1;
01556                 (void) fsmNext(fsm, FSM_UNDO);
01557                 /*@loopbreak@*/ break;
01558             }
01559 
01560             /* Copy file into archive. */
01561             rc = fsmNext(fsm, FSM_PROCESS);
01562             if (rc) {
01563                 (void) fsmNext(fsm, FSM_UNDO);
01564                 /*@loopbreak@*/ break;
01565             }
01566 
01567             /* Notify on success. */
01568             (void) fsmNext(fsm, FSM_NOTIFY);
01569 
01570             if (fsmNext(fsm, FSM_FINI))
01571                 /*@loopbreak@*/ break;
01572         }
01573 
01574         /* Flush partial sets of hard linked files. */
01575         if (!(fsm->mapFlags & CPIO_ALL_HARDLINKS)) {
01576             int nlink, j;
01577             while ((fsm->li = fsm->links) != NULL) {
01578                 fsm->links = fsm->li->next;
01579                 fsm->li->next = NULL;
01580 
01581                 /* Re-calculate link count for archive header. */
01582                 for (j = -1, nlink = 0, i = 0; i < fsm->li->nlink; i++) {
01583                     if (fsm->li->filex[i] < 0)
01584                         /*@innercontinue@*/ continue;
01585                     nlink++;
01586                     if (j == -1) j = i;
01587                 }
01588                 /* XXX force the contents out as well. */
01589 /*@-boundswrite@*/
01590                 if (j != 0) {
01591                     fsm->li->filex[0] = fsm->li->filex[j];
01592                     fsm->li->filex[j] = -1;
01593                 }
01594 /*@=boundswrite@*/
01595                 fsm->li->sb.st_nlink = nlink;
01596 
01597                 fsm->sb = fsm->li->sb;  /* structure assignment */
01598                 fsm->osb = fsm->sb;     /* structure assignment */
01599 
01600                 if (!rc) rc = writeLinkedFile(fsm);
01601 
01602                 fsm->li = freeHardLink(fsm->li);
01603             }
01604         }
01605 
01606         if (!rc)
01607             rc = fsmNext(fsm, FSM_TRAILER);
01608 
01609         break;
01610     case FSM_CREATE:
01611         {   rpmts ts = fsmGetTs(fsm);
01612 #define _tsmask (RPMTRANS_FLAG_PKGCOMMIT | RPMTRANS_FLAG_COMMIT)
01613             fsm->commit = ((ts && (rpmtsFlags(ts) & _tsmask) &&
01614                         fsm->goal != FSM_PKGCOMMIT) ? 0 : 1);
01615 #undef _tsmask
01616         }
01617         fsm->path = _free(fsm->path);
01618         fsm->opath = _free(fsm->opath);
01619         fsm->dnlx = _free(fsm->dnlx);
01620 
01621         fsm->ldn = _free(fsm->ldn);
01622         fsm->ldnalloc = fsm->ldnlen = 0;
01623 
01624         fsm->rdsize = fsm->wrsize = 0;
01625         fsm->rdbuf = fsm->rdb = _free(fsm->rdb);
01626         fsm->wrbuf = fsm->wrb = _free(fsm->wrb);
01627         if (fsm->goal == FSM_PKGINSTALL || fsm->goal == FSM_PKGBUILD) {
01628             fsm->rdsize = 8 * BUFSIZ;
01629             fsm->rdbuf = fsm->rdb = xmalloc(fsm->rdsize);
01630             fsm->wrsize = 8 * BUFSIZ;
01631             fsm->wrbuf = fsm->wrb = xmalloc(fsm->wrsize);
01632         }
01633 
01634         fsm->mkdirsdone = 0;
01635         fsm->ix = -1;
01636         fsm->links = NULL;
01637         fsm->li = NULL;
01638         errno = 0;      /* XXX get rid of EBADF */
01639 
01640         /* Detect and create directories not explicitly in package. */
01641         if (fsm->goal == FSM_PKGINSTALL) {
01642 /*@-compdef@*/
01643             rc = fsmNext(fsm, FSM_MKDIRS);
01644 /*@=compdef@*/
01645             if (!rc) fsm->mkdirsdone = 1;
01646         }
01647 
01648         break;
01649     case FSM_INIT:
01650         fsm->path = _free(fsm->path);
01651         fsm->postpone = 0;
01652         fsm->diskchecked = fsm->exists = 0;
01653         fsm->subdir = NULL;
01654         fsm->suffix = (fsm->sufbuf[0] != '\0' ? fsm->sufbuf : NULL);
01655         fsm->action = FA_UNKNOWN;
01656         fsm->osuffix = NULL;
01657         fsm->nsuffix = NULL;
01658 
01659         if (fsm->goal == FSM_PKGINSTALL) {
01660             /* Read next header from payload, checking for end-of-payload. */
01661             rc = fsmUNSAFE(fsm, FSM_NEXT);
01662         }
01663         if (rc) break;
01664 
01665         /* Identify mapping index. */
01666         fsm->ix = ((fsm->goal == FSM_PKGINSTALL)
01667                 ? mapFind(fsm->iter, fsm->path) : mapNextIterator(fsm->iter));
01668 
01669         /* Detect end-of-loop and/or mapping error. */
01670         if (fsm->ix < 0) {
01671             if (fsm->goal == FSM_PKGINSTALL) {
01672 #if 0
01673                 rpmMessage(RPMMESS_WARNING,
01674                     _("archive file %s was not found in header file list\n"),
01675                         fsm->path);
01676 #endif
01677 /*@-boundswrite@*/
01678                 if (fsm->failedFile && *fsm->failedFile == NULL)
01679                     *fsm->failedFile = xstrdup(fsm->path);
01680 /*@=boundswrite@*/
01681                 rc = CPIOERR_UNMAPPED_FILE;
01682             } else {
01683                 rc = CPIOERR_HDR_TRAILER;
01684             }
01685             break;
01686         }
01687 
01688         /* On non-install, mode must be known so that dirs don't get suffix. */
01689         if (fsm->goal != FSM_PKGINSTALL) {
01690             rpmfi fi = fsmGetFi(fsm);
01691             st->st_mode = fi->fmodes[fsm->ix];
01692         }
01693 
01694         /* Generate file path. */
01695         rc = fsmNext(fsm, FSM_MAP);
01696         if (rc) break;
01697 
01698         /* Perform lstat/stat for disk file. */
01699 #ifdef  NOTYET
01700         rc = fsmStat(fsm);
01701 #else
01702         if (fsm->path != NULL &&
01703             !(fsm->goal == FSM_PKGINSTALL && S_ISREG(st->st_mode)))
01704         {
01705             rc = fsmUNSAFE(fsm, (!(fsm->mapFlags & CPIO_FOLLOW_SYMLINKS)
01706                         ? FSM_LSTAT : FSM_STAT));
01707             if (rc == CPIOERR_ENOENT) {
01708                 errno = saveerrno;
01709                 rc = 0;
01710                 fsm->exists = 0;
01711             } else if (rc == 0) {
01712                 fsm->exists = 1;
01713             }
01714         } else {
01715             /* Skip %ghost files on build. */
01716             fsm->exists = 0;
01717         }
01718 #endif
01719         fsm->diskchecked = 1;
01720         if (rc) break;
01721 
01722         /* On non-install, the disk file stat is what's remapped. */
01723 /*@-boundswrite@*/
01724         if (fsm->goal != FSM_PKGINSTALL)
01725             *st = *ost;                 /* structure assignment */
01726 /*@=boundswrite@*/
01727 
01728         /* Remap file perms, owner, and group. */
01729         rc = fsmMapAttrs(fsm);
01730         if (rc) break;
01731 
01732         fsm->postpone = XFA_SKIPPING(fsm->action);
01733         if (fsm->goal == FSM_PKGINSTALL || fsm->goal == FSM_PKGBUILD) {
01734             /*@-evalorder@*/ /* FIX: saveHardLink can modify fsm */
01735             if (!S_ISDIR(st->st_mode) && st->st_nlink > 1)
01736                 fsm->postpone = saveHardLink(fsm);
01737             /*@=evalorder@*/
01738         }
01739         break;
01740     case FSM_PRE:
01741         break;
01742     case FSM_MAP:
01743         rc = fsmMapPath(fsm);
01744         break;
01745     case FSM_MKDIRS:
01746         rc = fsmMkdirs(fsm);
01747         break;
01748     case FSM_RMDIRS:
01749         if (fsm->dnlx)
01750             rc = fsmRmdirs(fsm);
01751         break;
01752     case FSM_PROCESS:
01753         if (fsm->postpone) {
01754             if (fsm->goal == FSM_PKGINSTALL)
01755                 rc = fsmNext(fsm, FSM_EAT);
01756             break;
01757         }
01758 
01759         if (fsm->goal == FSM_PKGBUILD) {
01760             if (fsm->fflags & RPMFILE_GHOST) /* XXX Don't if %ghost file. */
01761                 break;
01762             if (!S_ISDIR(st->st_mode) && st->st_nlink > 1) {
01763                 struct hardLink_s * li, * prev;
01764 
01765 if (!(fsm->mapFlags & CPIO_ALL_HARDLINKS)) break;
01766                 rc = writeLinkedFile(fsm);
01767                 if (rc) break;  /* W2DO? */
01768 
01769                 for (li = fsm->links, prev = NULL; li; prev = li, li = li->next)
01770                      if (li == fsm->li)
01771                         /*@loopbreak@*/ break;
01772 
01773                 if (prev == NULL)
01774                     fsm->links = fsm->li->next;
01775                 else
01776                     prev->next = fsm->li->next;
01777                 fsm->li->next = NULL;
01778                 fsm->li = freeHardLink(fsm->li);
01779             } else {
01780                 rc = writeFile(fsm, 1);
01781             }
01782             break;
01783         }
01784 
01785         if (fsm->goal != FSM_PKGINSTALL)
01786             break;
01787 
01788         if (S_ISREG(st->st_mode)) {
01789             const char * path = fsm->path;
01790             if (fsm->osuffix)
01791                 fsm->path = fsmFsPath(fsm, st, NULL, NULL);
01792             rc = fsmUNSAFE(fsm, FSM_VERIFY);
01793 
01794             if (rc == 0 && fsm->osuffix) {
01795                 const char * opath = fsm->opath;
01796                 fsm->opath = fsm->path;
01797                 fsm->path = fsmFsPath(fsm, st, NULL, fsm->osuffix);
01798                 rc = fsmNext(fsm, FSM_RENAME);
01799                 if (!rc)
01800                     rpmMessage(RPMMESS_WARNING,
01801                         _("%s saved as %s\n"),
01802                                 (fsm->opath ? fsm->opath : ""),
01803                                 (fsm->path ? fsm->path : ""));
01804                 fsm->path = _free(fsm->path);
01805                 fsm->opath = opath;
01806             }
01807 
01808             /*@-dependenttrans@*/
01809             fsm->path = path;
01810             /*@=dependenttrans@*/
01811             if (!(rc == CPIOERR_ENOENT)) return rc;
01812             rc = expandRegular(fsm);
01813         } else if (S_ISDIR(st->st_mode)) {
01814             mode_t st_mode = st->st_mode;
01815             rc = fsmUNSAFE(fsm, FSM_VERIFY);
01816             if (rc == CPIOERR_ENOENT) {
01817                 st->st_mode &= ~07777;          /* XXX abuse st->st_mode */
01818                 st->st_mode |=  00700;
01819                 rc = fsmNext(fsm, FSM_MKDIR);
01820                 st->st_mode = st_mode;          /* XXX restore st->st_mode */
01821             }
01822         } else if (S_ISLNK(st->st_mode)) {
01823             const char * opath = fsm->opath;
01824 
01825             if ((st->st_size + 1) > fsm->rdsize) {
01826                 rc = CPIOERR_HDR_SIZE;
01827                 break;
01828             }
01829 
01830             fsm->wrlen = st->st_size;
01831             rc = fsmNext(fsm, FSM_DREAD);
01832             if (!rc && fsm->rdnb != fsm->wrlen)
01833                 rc = CPIOERR_READ_FAILED;
01834             if (rc) break;
01835 
01836 /*@-boundswrite@*/
01837             fsm->wrbuf[st->st_size] = '\0';
01838 /*@=boundswrite@*/
01839             /* XXX symlink(fsm->opath, fsm->path) */
01840             /*@-dependenttrans@*/
01841             fsm->opath = fsm->wrbuf;
01842             /*@=dependenttrans@*/
01843             rc = fsmUNSAFE(fsm, FSM_VERIFY);
01844             if (rc == CPIOERR_ENOENT)
01845                 rc = fsmNext(fsm, FSM_SYMLINK);
01846             fsm->opath = opath;         /* XXX restore fsm->path */
01847         } else if (S_ISFIFO(st->st_mode)) {
01848             mode_t st_mode = st->st_mode;
01849             /* This mimics cpio S_ISSOCK() behavior but probably isnt' right */
01850             rc = fsmUNSAFE(fsm, FSM_VERIFY);
01851             if (rc == CPIOERR_ENOENT) {
01852                 st->st_mode = 0000;             /* XXX abuse st->st_mode */
01853                 rc = fsmNext(fsm, FSM_MKFIFO);
01854                 st->st_mode = st_mode;  /* XXX restore st->st_mode */
01855             }
01856         } else if (S_ISCHR(st->st_mode) ||
01857                    S_ISBLK(st->st_mode) ||
01858     /*@-unrecog@*/ S_ISSOCK(st->st_mode) /*@=unrecog@*/)
01859         {
01860             rc = fsmUNSAFE(fsm, FSM_VERIFY);
01861             if (rc == CPIOERR_ENOENT)
01862                 rc = fsmNext(fsm, FSM_MKNOD);
01863         } else {
01864             /* XXX Special case /dev/log, which shouldn't be packaged anyways */
01865             if (!IS_DEV_LOG(fsm->path))
01866                 rc = CPIOERR_UNKNOWN_FILETYPE;
01867         }
01868         if (!S_ISDIR(st->st_mode) && st->st_nlink > 1) {
01869             fsm->li->createdPath = fsm->li->linkIndex;
01870             rc = fsmMakeLinks(fsm);
01871         }
01872         break;
01873     case FSM_POST:
01874         break;
01875     case FSM_MKLINKS:
01876         rc = fsmMakeLinks(fsm);
01877         break;
01878     case FSM_NOTIFY:            /* XXX move from fsm to psm -> tsm */
01879         if (fsm->goal == FSM_PKGINSTALL || fsm->goal == FSM_PKGBUILD) {
01880             rpmts ts = fsmGetTs(fsm);
01881             rpmfi fi = fsmGetFi(fsm);
01882             void * ptr;
01883             unsigned int archivePos = fdGetCpioPos(fsm->cfd);
01884             if (archivePos > fi->archivePos) {
01885                 fi->archivePos = archivePos;
01886                 ptr = rpmtsNotify(ts, fi->te, RPMCALLBACK_INST_PROGRESS,
01887                         fi->archivePos, fi->archiveSize);
01888             }
01889         }
01890         break;
01891     case FSM_UNDO:
01892         if (fsm->postpone)
01893             break;
01894         if (fsm->goal == FSM_PKGINSTALL) {
01895             /* XXX only erase if temp fn w suffix is in use */
01896             if (fsm->sufbuf[0] != '\0')
01897                 (void) fsmNext(fsm,
01898                     (S_ISDIR(st->st_mode) ? FSM_RMDIR : FSM_UNLINK));
01899 
01900 #ifdef  NOTYET  /* XXX remove only dirs just created, not all. */
01901             if (fsm->dnlx)
01902                 (void) fsmNext(fsm, FSM_RMDIRS);
01903 #endif
01904             errno = saveerrno;
01905         }
01906 /*@-boundswrite@*/
01907         if (fsm->failedFile && *fsm->failedFile == NULL)
01908             *fsm->failedFile = xstrdup(fsm->path);
01909 /*@=boundswrite@*/
01910         break;
01911     case FSM_FINI:
01912         if (!fsm->postpone && fsm->commit) {
01913             if (fsm->goal == FSM_PKGINSTALL)
01914                 rc = ((!S_ISDIR(st->st_mode) && st->st_nlink > 1)
01915                         ? fsmCommitLinks(fsm) : fsmNext(fsm, FSM_COMMIT));
01916             if (fsm->goal == FSM_PKGCOMMIT)
01917                 rc = fsmNext(fsm, FSM_COMMIT);
01918             if (fsm->goal == FSM_PKGERASE)
01919                 rc = fsmNext(fsm, FSM_COMMIT);
01920         }
01921         fsm->path = _free(fsm->path);
01922         fsm->opath = _free(fsm->opath);
01923 /*@-boundswrite@*/
01924         memset(st, 0, sizeof(*st));
01925         memset(ost, 0, sizeof(*ost));
01926 /*@=boundswrite@*/
01927         break;
01928     case FSM_COMMIT:
01929         /* Rename pre-existing modified or unmanaged file. */
01930         if (fsm->osuffix && fsm->diskchecked &&
01931           (fsm->exists || (fsm->goal == FSM_PKGINSTALL && S_ISREG(st->st_mode))))
01932         {
01933             const char * opath = fsm->opath;
01934             const char * path = fsm->path;
01935             fsm->opath = fsmFsPath(fsm, st, NULL, NULL);
01936             fsm->path = fsmFsPath(fsm, st, NULL, fsm->osuffix);
01937             rc = fsmNext(fsm, FSM_RENAME);
01938             if (!rc) {
01939                 rpmMessage(RPMMESS_WARNING, _("%s saved as %s\n"),
01940                                 (fsm->opath ? fsm->opath : ""),
01941                                 (fsm->path ? fsm->path : ""));
01942             }
01943             fsm->path = _free(fsm->path);
01944             fsm->path = path;
01945             fsm->opath = _free(fsm->opath);
01946             fsm->opath = opath;
01947         }
01948 
01949         /* Remove erased files. */
01950         if (fsm->goal == FSM_PKGERASE) {
01951             if (fsm->action == FA_ERASE) {
01952                 rpmfi fi = fsmGetFi(fsm);
01953                 if (S_ISDIR(st->st_mode)) {
01954                     rc = fsmNext(fsm, FSM_RMDIR);
01955                     if (!rc) break;
01956                     switch (rc) {
01957                     case CPIOERR_ENOENT: /* XXX rmdir("/") linux 2.2.x kernel hack */
01958                     case CPIOERR_ENOTEMPTY:
01959         /* XXX make sure that build side permits %missingok on directories. */
01960                         if (fsm->fflags & RPMFILE_MISSINGOK)
01961                             /*@innerbreak@*/ break;
01962 
01963                         /* XXX common error message. */
01964                         rpmError(
01965                             (strict_erasures ? RPMERR_RMDIR : RPMDEBUG_RMDIR),
01966                             _("%s rmdir of %s failed: Directory not empty\n"), 
01967                                 rpmfiTypeString(fi), fsm->path);
01968                         /*@innerbreak@*/ break;
01969                     default:
01970                         rpmError(
01971                             (strict_erasures ? RPMERR_RMDIR : RPMDEBUG_RMDIR),
01972                                 _("%s rmdir of %s failed: %s\n"),
01973                                 rpmfiTypeString(fi), fsm->path, strerror(errno));
01974                         /*@innerbreak@*/ break;
01975                     }
01976                 } else {
01977                     rc = fsmNext(fsm, FSM_UNLINK);
01978                     if (!rc) break;
01979                     switch (rc) {
01980                     case CPIOERR_ENOENT:
01981                         if (fsm->fflags & RPMFILE_MISSINGOK)
01982                             /*@innerbreak@*/ break;
01983                         /*@fallthrough@*/
01984                     default:
01985                         rpmError(
01986                             (strict_erasures ? RPMERR_UNLINK : RPMDEBUG_UNLINK),
01987                                 _("%s unlink of %s failed: %s\n"),
01988                                 rpmfiTypeString(fi), fsm->path, strerror(errno));
01989                         /*@innerbreak@*/ break;
01990                     }
01991                 }
01992             }
01993             /* XXX Failure to remove is not (yet) cause for failure. */
01994             if (!strict_erasures) rc = 0;
01995             break;
01996         }
01997 
01998         /* XXX Special case /dev/log, which shouldn't be packaged anyways */
01999         if (!S_ISSOCK(st->st_mode) && !IS_DEV_LOG(fsm->path)) {
02000             /* Rename temporary to final file name. */
02001             if (!S_ISDIR(st->st_mode) &&
02002                 (fsm->subdir || fsm->suffix || fsm->nsuffix))
02003             {
02004                 fsm->opath = fsm->path;
02005                 fsm->path = fsmFsPath(fsm, st, NULL, fsm->nsuffix);
02006                 rc = fsmNext(fsm, FSM_RENAME);
02007                 if (!rc && fsm->nsuffix) {
02008                     const char * opath = fsmFsPath(fsm, st, NULL, NULL);
02009                     rpmMessage(RPMMESS_WARNING, _("%s created as %s\n"),
02010                                 (opath ? opath : ""),
02011                                 (fsm->path ? fsm->path : ""));
02012                     opath = _free(opath);
02013                 }
02014                 fsm->opath = _free(fsm->opath);
02015             }
02016             /*
02017              * Set file security context (if not disabled).
02018              */
02019             if (!rc && !getuid()) {
02020                 int internal = fsmMapFContext(fsm);
02021                 rc = fsmNext(fsm, FSM_LSETFCON);
02022                 if (!internal) {
02023                     freecon(fsm->fcontext);
02024                 }
02025                 fsm->fcontext = NULL;
02026             }
02027             if (S_ISLNK(st->st_mode)) {
02028                 if (!rc && !getuid())
02029                     rc = fsmNext(fsm, FSM_LCHOWN);
02030             } else {
02031                 if (!rc && !getuid())
02032                     rc = fsmNext(fsm, FSM_CHOWN);
02033                 if (!rc)
02034                     rc = fsmNext(fsm, FSM_CHMOD);
02035                 if (!rc) {
02036                     time_t mtime = st->st_mtime;
02037                     rpmfi fi = fsmGetFi(fsm);
02038                     if (fi->fmtimes)
02039                         st->st_mtime = fi->fmtimes[fsm->ix];
02040                     rc = fsmNext(fsm, FSM_UTIME);
02041                     st->st_mtime = mtime;
02042                 }
02043             }
02044         }
02045 
02046         /* Notify on success. */
02047         if (!rc)                rc = fsmNext(fsm, FSM_NOTIFY);
02048         else if (fsm->failedFile && *fsm->failedFile == NULL) {
02049 /*@-boundswrite@*/
02050             *fsm->failedFile = fsm->path;
02051 /*@=boundswrite@*/
02052             fsm->path = NULL;
02053         }
02054         break;
02055     case FSM_DESTROY:
02056         fsm->path = _free(fsm->path);
02057 
02058         /* Check for hard links missing from payload. */
02059         while ((fsm->li = fsm->links) != NULL) {
02060             fsm->links = fsm->li->next;
02061             fsm->li->next = NULL;
02062             if (fsm->goal == FSM_PKGINSTALL &&
02063                         fsm->commit && fsm->li->linksLeft)
02064             {
02065                 for (i = 0 ; i < fsm->li->linksLeft; i++) {
02066                     if (fsm->li->filex[i] < 0)
02067                         /*@innercontinue@*/ continue;
02068                     rc = CPIOERR_MISSING_HARDLINK;
02069                     if (fsm->failedFile && *fsm->failedFile == NULL) {
02070                         fsm->ix = fsm->li->filex[i];
02071                         if (!fsmNext(fsm, FSM_MAP)) {
02072 /*@-boundswrite@*/
02073                             *fsm->failedFile = fsm->path;
02074 /*@=boundswrite@*/
02075                             fsm->path = NULL;
02076                         }
02077                     }
02078                     /*@loopbreak@*/ break;
02079                 }
02080             }
02081             if (fsm->goal == FSM_PKGBUILD &&
02082                 (fsm->mapFlags & CPIO_ALL_HARDLINKS))
02083             {
02084                 rc = CPIOERR_MISSING_HARDLINK;
02085             }
02086             fsm->li = freeHardLink(fsm->li);
02087         }
02088         fsm->ldn = _free(fsm->ldn);
02089         fsm->ldnalloc = fsm->ldnlen = 0;
02090         fsm->rdbuf = fsm->rdb = _free(fsm->rdb);
02091         fsm->wrbuf = fsm->wrb = _free(fsm->wrb);
02092         break;
02093     case FSM_VERIFY:
02094         if (fsm->diskchecked && !fsm->exists) {
02095             rc = CPIOERR_ENOENT;
02096             break;
02097         }
02098         if (S_ISREG(st->st_mode)) {
02099             char * path = alloca(strlen(fsm->path) + sizeof("-RPMDELETE"));
02100 /*@-boundswrite@*/
02101             (void) stpcpy( stpcpy(path, fsm->path), "-RPMDELETE");
02102 /*@=boundswrite@*/
02103             /*
02104              * XXX HP-UX (and other os'es) don't permit unlink on busy
02105              * XXX files.
02106              */
02107             fsm->opath = fsm->path;
02108             fsm->path = path;
02109             rc = fsmNext(fsm, FSM_RENAME);
02110             if (!rc)
02111                     (void) fsmNext(fsm, FSM_UNLINK);
02112             else
02113                     rc = CPIOERR_UNLINK_FAILED;
02114             fsm->path = fsm->opath;
02115             fsm->opath = NULL;
02116             return (rc ? rc : CPIOERR_ENOENT);  /* XXX HACK */
02117             /*@notreached@*/ break;
02118         } else if (S_ISDIR(st->st_mode)) {
02119             if (S_ISDIR(ost->st_mode))          return 0;
02120             if (S_ISLNK(ost->st_mode)) {
02121                 rc = fsmUNSAFE(fsm, FSM_STAT);
02122                 if (rc == CPIOERR_ENOENT) rc = 0;
02123                 if (rc) break;
02124                 errno = saveerrno;
02125                 if (S_ISDIR(ost->st_mode))      return 0;
02126             }
02127         } else if (S_ISLNK(st->st_mode)) {
02128             if (S_ISLNK(ost->st_mode)) {
02129         /* XXX NUL terminated result in fsm->rdbuf, len in fsm->rdnb. */
02130                 rc = fsmUNSAFE(fsm, FSM_READLINK);
02131                 errno = saveerrno;
02132                 if (rc) break;
02133                 if (!strcmp(fsm->opath, fsm->rdbuf))    return 0;
02134             }
02135         } else if (S_ISFIFO(st->st_mode)) {
02136             if (S_ISFIFO(ost->st_mode))         return 0;
02137         } else if (S_ISCHR(st->st_mode) || S_ISBLK(st->st_mode)) {
02138             if ((S_ISCHR(ost->st_mode) || S_ISBLK(ost->st_mode)) &&
02139                 (ost->st_rdev == st->st_rdev))  return 0;
02140         } else if (S_ISSOCK(st->st_mode)) {
02141             if (S_ISSOCK(ost->st_mode))         return 0;
02142         }
02143             /* XXX shouldn't do this with commit/undo. */
02144         rc = 0;
02145         if (fsm->stage == FSM_PROCESS) rc = fsmNext(fsm, FSM_UNLINK);
02146         if (rc == 0)    rc = CPIOERR_ENOENT;
02147         return (rc ? rc : CPIOERR_ENOENT);      /* XXX HACK */
02148         /*@notreached@*/ break;
02149 
02150     case FSM_UNLINK:
02151         removeSBITS(fsm->path);
02152         rc = Unlink(fsm->path);
02153         if (_fsm_debug && (stage & FSM_SYSCALL))
02154             rpmMessage(RPMMESS_DEBUG, " %8s (%s) %s\n", cur,
02155                 fsm->path, (rc < 0 ? strerror(errno) : ""));
02156         if (rc < 0)
02157             rc = (errno == ENOENT ? CPIOERR_ENOENT : CPIOERR_UNLINK_FAILED);
02158         break;
02159     case FSM_RENAME:
02160         removeSBITS(fsm->path);
02161         rc = Rename(fsm->opath, fsm->path);
02162 #if defined(ETXTBSY)
02163         if (rc && errno == ETXTBSY) {
02164             char * path = alloca(strlen(fsm->path) + sizeof("-RPMDELETE"));
02165             (void) stpcpy( stpcpy(path, fsm->path), "-RPMDELETE");
02166             /*
02167              * XXX HP-UX (and other os'es) don't permit rename to busy
02168              * XXX files.
02169              */
02170             rc = Rename(fsm->path, path);
02171             if (!rc) rc = Rename(fsm->opath, fsm->path);
02172         }
02173 #endif
02174         if (_fsm_debug && (stage & FSM_SYSCALL))
02175             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %s) %s\n", cur,
02176                 fsm->opath, fsm->path, (rc < 0 ? strerror(errno) : ""));
02177         if (rc < 0)     rc = CPIOERR_RENAME_FAILED;
02178         break;
02179     case FSM_MKDIR:
02180         rc = Mkdir(fsm->path, (st->st_mode & 07777));
02181         if (_fsm_debug && (stage & FSM_SYSCALL))
02182             rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0%04o) %s\n", cur,
02183                 fsm->path, (unsigned)(st->st_mode & 07777),
02184                 (rc < 0 ? strerror(errno) : ""));
02185         if (rc < 0)     rc = CPIOERR_MKDIR_FAILED;
02186         break;
02187     case FSM_RMDIR:
02188         rc = Rmdir(fsm->path);
02189         if (_fsm_debug && (stage & FSM_SYSCALL))
02190             rpmMessage(RPMMESS_DEBUG, " %8s (%s) %s\n", cur,
02191                 fsm->path, (rc < 0 ? strerror(errno) : ""));
02192         if (rc < 0)
02193             switch (errno) {
02194             case ENOENT:        rc = CPIOERR_ENOENT;    /*@switchbreak@*/ break;
02195             case ENOTEMPTY:     rc = CPIOERR_ENOTEMPTY; /*@switchbreak@*/ break;
02196             default:            rc = CPIOERR_RMDIR_FAILED; /*@switchbreak@*/ break;
02197             }
02198         break;
02199     case FSM_LSETFCON:
02200         if (fsm->fcontext == NULL || *fsm->fcontext == '\0'
02201          || !strcmp(fsm->fcontext, "<<none>>"))
02202             break;
02203         rc = lsetfilecon(fsm->path, (security_context_t)fsm->fcontext);
02204         if (_fsm_debug && (stage & FSM_SYSCALL))
02205             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %s) %s\n", cur,
02206                 fsm->path, fsm->fcontext,
02207                 (rc < 0 ? strerror(errno) : ""));
02208         if (rc < 0) rc = (errno == EOPNOTSUPP ? 0 : CPIOERR_LSETFCON_FAILED);
02209         break;
02210     case FSM_CHOWN:
02211         rc = chown(fsm->path, st->st_uid, st->st_gid);
02212         if (_fsm_debug && (stage & FSM_SYSCALL))
02213             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %d, %d) %s\n", cur,
02214                 fsm->path, (int)st->st_uid, (int)st->st_gid,
02215                 (rc < 0 ? strerror(errno) : ""));
02216         if (rc < 0)     rc = CPIOERR_CHOWN_FAILED;
02217         break;
02218     case FSM_LCHOWN:
02219 #if ! CHOWN_FOLLOWS_SYMLINK
02220         rc = lchown(fsm->path, st->st_uid, st->st_gid);
02221         if (_fsm_debug && (stage & FSM_SYSCALL))
02222             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %d, %d) %s\n", cur,
02223                 fsm->path, (int)st->st_uid, (int)st->st_gid,
02224                 (rc < 0 ? strerror(errno) : ""));
02225         if (rc < 0)     rc = CPIOERR_CHOWN_FAILED;
02226 #endif
02227         break;
02228     case FSM_CHMOD:
02229         rc = chmod(fsm->path, (st->st_mode & 07777));
02230         if (_fsm_debug && (stage & FSM_SYSCALL))
02231             rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0%04o) %s\n", cur,
02232                 fsm->path, (unsigned)(st->st_mode & 07777),
02233                 (rc < 0 ? strerror(errno) : ""));
02234         if (rc < 0)     rc = CPIOERR_CHMOD_FAILED;
02235         break;
02236     case FSM_UTIME:
02237         {   struct utimbuf stamp;
02238             stamp.actime = st->st_mtime;
02239             stamp.modtime = st->st_mtime;
02240             rc = utime(fsm->path, &stamp);
02241             if (_fsm_debug && (stage & FSM_SYSCALL))
02242                 rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0x%x) %s\n", cur,
02243                         fsm->path, (unsigned)st->st_mtime,
02244                         (rc < 0 ? strerror(errno) : ""));
02245             if (rc < 0) rc = CPIOERR_UTIME_FAILED;
02246         }
02247         break;
02248     case FSM_SYMLINK:
02249         rc = symlink(fsm->opath, fsm->path);
02250         if (_fsm_debug && (stage & FSM_SYSCALL))
02251             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %s) %s\n", cur,
02252                 fsm->opath, fsm->path, (rc < 0 ? strerror(errno) : ""));
02253         if (rc < 0)     rc = CPIOERR_SYMLINK_FAILED;
02254         break;
02255     case FSM_LINK:
02256         rc = Link(fsm->opath, fsm->path);
02257         if (_fsm_debug && (stage & FSM_SYSCALL))
02258             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %s) %s\n", cur,
02259                 fsm->opath, fsm->path, (rc < 0 ? strerror(errno) : ""));
02260         if (rc < 0)     rc = CPIOERR_LINK_FAILED;
02261         break;
02262     case FSM_MKFIFO:
02263         rc = mkfifo(fsm->path, (st->st_mode & 07777));
02264         if (_fsm_debug && (stage & FSM_SYSCALL))
02265             rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0%04o) %s\n", cur,
02266                 fsm->path, (unsigned)(st->st_mode & 07777),
02267                 (rc < 0 ? strerror(errno) : ""));
02268         if (rc < 0)     rc = CPIOERR_MKFIFO_FAILED;
02269         break;
02270     case FSM_MKNOD:
02271         /*@-unrecog -portability @*/ /* FIX: check S_IFIFO or dev != 0 */
02272         rc = mknod(fsm->path, (st->st_mode & ~07777), st->st_rdev);
02273         /*@=unrecog =portability @*/
02274         if (_fsm_debug && (stage & FSM_SYSCALL))
02275             rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0%o, 0x%x) %s\n", cur,
02276                 fsm->path, (unsigned)(st->st_mode & ~07777),
02277                 (unsigned)st->st_rdev,
02278                 (rc < 0 ? strerror(errno) : ""));
02279         if (rc < 0)     rc = CPIOERR_MKNOD_FAILED;
02280         break;
02281     case FSM_LSTAT:
02282         rc = Lstat(fsm->path, ost);
02283         if (_fsm_debug && (stage & FSM_SYSCALL) && rc && errno != ENOENT)
02284             rpmMessage(RPMMESS_DEBUG, " %8s (%s, ost) %s\n", cur,
02285                 fsm->path, (rc < 0 ? strerror(errno) : ""));
02286         if (rc < 0) {
02287             rc = (errno == ENOENT ? CPIOERR_ENOENT : CPIOERR_LSTAT_FAILED);
02288             memset(ost, 0, sizeof(*ost));       /* XXX s390x hackery */
02289         }
02290         break;
02291     case FSM_STAT:
02292         rc = Stat(fsm->path, ost);
02293         if (_fsm_debug && (stage & FSM_SYSCALL) && rc && errno != ENOENT)
02294             rpmMessage(RPMMESS_DEBUG, " %8s (%s, ost) %s\n", cur,
02295                 fsm->path, (rc < 0 ? strerror(errno) : ""));
02296         if (rc < 0) {
02297             rc = (errno == ENOENT ? CPIOERR_ENOENT : CPIOERR_STAT_FAILED);
02298             memset(ost, 0, sizeof(*ost));       /* XXX s390x hackery */
02299         }
02300         break;
02301     case FSM_READLINK:
02302         /* XXX NUL terminated result in fsm->rdbuf, len in fsm->rdnb. */
02303 /*@-boundswrite@*/
02304         rc = Readlink(fsm->path, fsm->rdbuf, fsm->rdsize - 1);
02305 /*@=boundswrite@*/
02306         if (_fsm_debug && (stage & FSM_SYSCALL))
02307             rpmMessage(RPMMESS_DEBUG, " %8s (%s, rdbuf, %d) %s\n", cur,
02308                 fsm->path, (int)(fsm->rdsize -1), (rc < 0 ? strerror(errno) : ""));
02309         if (rc < 0)     rc = CPIOERR_READLINK_FAILED;
02310         else {
02311             fsm->rdnb = rc;
02312 /*@-boundswrite@*/
02313             fsm->rdbuf[fsm->rdnb] = '\0';
02314 /*@=boundswrite@*/
02315             rc = 0;
02316         }
02317         break;
02318     case FSM_CHROOT:
02319         break;
02320 
02321     case FSM_NEXT:
02322         rc = fsmUNSAFE(fsm, FSM_HREAD);
02323         if (rc) break;
02324         if (!strcmp(fsm->path, CPIO_TRAILER)) { /* Detect end-of-payload. */
02325             fsm->path = _free(fsm->path);
02326             rc = CPIOERR_HDR_TRAILER;
02327         }
02328         if (!rc)
02329             rc = fsmNext(fsm, FSM_POS);
02330         break;
02331     case FSM_EAT:
02332         for (left = st->st_size; left > 0; left -= fsm->rdnb) {
02333             fsm->wrlen = (left > fsm->wrsize ? fsm->wrsize : left);
02334             rc = fsmNext(fsm, FSM_DREAD);
02335             if (rc)
02336                 /*@loopbreak@*/ break;
02337         }
02338         break;
02339     case FSM_POS:
02340         left = (modulo - (fdGetCpioPos(fsm->cfd) % modulo)) % modulo;
02341         if (left) {
02342             fsm->wrlen = left;
02343             (void) fsmNext(fsm, FSM_DREAD);
02344         }
02345         break;
02346     case FSM_PAD:
02347         left = (modulo - (fdGetCpioPos(fsm->cfd) % modulo)) % modulo;
02348         if (left) {
02349 /*@-boundswrite@*/
02350             memset(fsm->rdbuf, 0, left);
02351 /*@=boundswrite@*/
02352             /* XXX DWRITE uses rdnb for I/O length. */
02353             fsm->rdnb = left;
02354             (void) fsmNext(fsm, FSM_DWRITE);
02355         }
02356         break;
02357     case FSM_TRAILER:
02358         rc = cpioTrailerWrite(fsm);
02359         break;
02360     case FSM_HREAD:
02361         rc = fsmNext(fsm, FSM_POS);
02362         if (!rc)
02363             rc = cpioHeaderRead(fsm, st);       /* Read next payload header. */
02364         break;
02365     case FSM_HWRITE:
02366         rc = cpioHeaderWrite(fsm, st);          /* Write next payload header. */
02367         break;
02368     case FSM_DREAD:
02369 /*@-boundswrite@*/
02370         fsm->rdnb = Fread(fsm->wrbuf, sizeof(*fsm->wrbuf), fsm->wrlen, fsm->cfd);
02371 /*@=boundswrite@*/
02372         if (_fsm_debug && (stage & FSM_SYSCALL))
02373             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %d, cfd)\trdnb %d\n",
02374                 cur, (fsm->wrbuf == fsm->wrb ? "wrbuf" : "mmap"),
02375                 (int)fsm->wrlen, (int)fsm->rdnb);
02376         if (fsm->rdnb != fsm->wrlen || Ferror(fsm->cfd))
02377             rc = CPIOERR_READ_FAILED;
02378         if (fsm->rdnb > 0)
02379             fdSetCpioPos(fsm->cfd, fdGetCpioPos(fsm->cfd) + fsm->rdnb);
02380         break;
02381     case FSM_DWRITE:
02382         fsm->wrnb = Fwrite(fsm->rdbuf, sizeof(*fsm->rdbuf), fsm->rdnb, fsm->cfd);
02383         if (_fsm_debug && (stage & FSM_SYSCALL))
02384             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %d, cfd)\twrnb %d\n",
02385                 cur, (fsm->rdbuf == fsm->rdb ? "rdbuf" : "mmap"),
02386                 (int)fsm->rdnb, (int)fsm->wrnb);
02387         if (fsm->rdnb != fsm->wrnb || Ferror(fsm->cfd))
02388             rc = CPIOERR_WRITE_FAILED;
02389         if (fsm->wrnb > 0)
02390             fdSetCpioPos(fsm->cfd, fdGetCpioPos(fsm->cfd) + fsm->wrnb);
02391         break;
02392 
02393     case FSM_ROPEN:
02394         fsm->rfd = Fopen(fsm->path, "r.ufdio");
02395         if (fsm->rfd == NULL || Ferror(fsm->rfd)) {
02396             if (fsm->rfd != NULL)       (void) fsmNext(fsm, FSM_RCLOSE);
02397             fsm->rfd = NULL;
02398             rc = CPIOERR_OPEN_FAILED;
02399             break;
02400         }
02401         if (_fsm_debug && (stage & FSM_SYSCALL))
02402             rpmMessage(RPMMESS_DEBUG, " %8s (%s, \"r\") rfd %p rdbuf %p\n", cur,
02403                 fsm->path, fsm->rfd, fsm->rdbuf);
02404         break;
02405     case FSM_READ:
02406 /*@-boundswrite@*/
02407         fsm->rdnb = Fread(fsm->rdbuf, sizeof(*fsm->rdbuf), fsm->rdlen, fsm->rfd);
02408 /*@=boundswrite@*/
02409         if (_fsm_debug && (stage & FSM_SYSCALL))
02410             rpmMessage(RPMMESS_DEBUG, " %8s (rdbuf, %d, rfd)\trdnb %d\n",
02411                 cur, (int)fsm->rdlen, (int)fsm->rdnb);
02412         if (fsm->rdnb != fsm->rdlen || Ferror(fsm->rfd))
02413             rc = CPIOERR_READ_FAILED;
02414         break;
02415     case FSM_RCLOSE:
02416         if (fsm->rfd != NULL) {
02417             if (_fsm_debug && (stage & FSM_SYSCALL))
02418                 rpmMessage(RPMMESS_DEBUG, " %8s (%p)\n", cur, fsm->rfd);
02419             (void) rpmswAdd(rpmtsOp(fsmGetTs(fsm), RPMTS_OP_DIGEST),
02420                         fdstat_op(fsm->rfd, FDSTAT_DIGEST));
02421             (void) Fclose(fsm->rfd);
02422             errno = saveerrno;
02423         }
02424         fsm->rfd = NULL;
02425         break;
02426     case FSM_WOPEN:
02427         fsm->wfd = Fopen(fsm->path, "w.ufdio");
02428         if (fsm->wfd == NULL || Ferror(fsm->wfd)) {
02429             if (fsm->wfd != NULL)       (void) fsmNext(fsm, FSM_WCLOSE);
02430             fsm->wfd = NULL;
02431             rc = CPIOERR_OPEN_FAILED;
02432         }
02433         if (_fsm_debug && (stage & FSM_SYSCALL))
02434             rpmMessage(RPMMESS_DEBUG, " %8s (%s, \"w\") wfd %p wrbuf %p\n", cur,
02435                 fsm->path, fsm->wfd, fsm->wrbuf);
02436         break;
02437     case FSM_WRITE:
02438         fsm->wrnb = Fwrite(fsm->wrbuf, sizeof(*fsm->wrbuf), fsm->rdnb, fsm->wfd);
02439         if (_fsm_debug && (stage & FSM_SYSCALL))
02440             rpmMessage(RPMMESS_DEBUG, " %8s (wrbuf, %d, wfd)\twrnb %d\n",
02441                 cur, (int)fsm->rdnb, (int)fsm->wrnb);
02442         if (fsm->rdnb != fsm->wrnb || Ferror(fsm->wfd))
02443             rc = CPIOERR_WRITE_FAILED;
02444         break;
02445     case FSM_WCLOSE:
02446         if (fsm->wfd != NULL) {
02447             if (_fsm_debug && (stage & FSM_SYSCALL))
02448                 rpmMessage(RPMMESS_DEBUG, " %8s (%p)\n", cur, fsm->wfd);
02449             (void) rpmswAdd(rpmtsOp(fsmGetTs(fsm), RPMTS_OP_DIGEST),
02450                         fdstat_op(fsm->wfd, FDSTAT_DIGEST));
02451             (void) Fclose(fsm->wfd);
02452             errno = saveerrno;
02453         }
02454         fsm->wfd = NULL;
02455         break;
02456 
02457     default:
02458         break;
02459     }
02460     /*@=branchstate@*/
02461 
02462     if (!(stage & FSM_INTERNAL)) {
02463         fsm->rc = (rc == CPIOERR_HDR_TRAILER ? 0 : rc);
02464     }
02465     return rc;
02466 }
02467 /*@=compmempass@*/
02468 /*@=boundsread@*/
02469 
02470 /*@obserever@*/ const char *const fileActionString(fileAction a)
02471 {
02472     switch (a) {
02473     case FA_UNKNOWN:    return "unknown";
02474     case FA_CREATE:     return "create";
02475     case FA_COPYOUT:    return "copyout";
02476     case FA_COPYIN:     return "copyin";
02477     case FA_BACKUP:     return "backup";
02478     case FA_SAVE:       return "save";
02479     case FA_SKIP:       return "skip";
02480     case FA_ALTNAME:    return "altname";
02481     case FA_ERASE:      return "erase";
02482     case FA_SKIPNSTATE: return "skipnstate";
02483     case FA_SKIPNETSHARED: return "skipnetshared";
02484     case FA_SKIPCOLOR:  return "skipcolor";
02485     default:            return "???";
02486     }
02487     /*@notreached@*/
02488 }
02489 
02490 /*@observer@*/ const char *const fileStageString(fileStage a) {
02491     switch(a) {
02492     case FSM_UNKNOWN:   return "unknown";
02493 
02494     case FSM_PKGINSTALL:return "INSTALL";
02495     case FSM_PKGERASE:  return "ERASE";
02496     case FSM_PKGBUILD:  return "BUILD";
02497     case FSM_PKGCOMMIT: return "COMMIT";
02498     case FSM_PKGUNDO:   return "UNDO";
02499 
02500     case FSM_CREATE:    return "create";
02501     case FSM_INIT:      return "init";
02502     case FSM_MAP:       return "map";
02503     case FSM_MKDIRS:    return "mkdirs";
02504     case FSM_RMDIRS:    return "rmdirs";
02505     case FSM_PRE:       return "pre";
02506     case FSM_PROCESS:   return "process";
02507     case FSM_POST:      return "post";
02508     case FSM_MKLINKS:   return "mklinks";
02509     case FSM_NOTIFY:    return "notify";
02510     case FSM_UNDO:      return "undo";
02511     case FSM_FINI:      return "fini";
02512     case FSM_COMMIT:    return "commit";
02513     case FSM_DESTROY:   return "destroy";
02514     case FSM_VERIFY:    return "verify";
02515 
02516     case FSM_UNLINK:    return "Unlink";
02517     case FSM_RENAME:    return "Rename";
02518     case FSM_MKDIR:     return "Mkdir";
02519     case FSM_RMDIR:     return "rmdir";
02520     case FSM_LSETFCON:  return "lsetfcon";
02521     case FSM_CHOWN:     return "chown";
02522     case FSM_LCHOWN:    return "lchown";
02523     case FSM_CHMOD:     return "chmod";
02524     case FSM_UTIME:     return "utime";
02525     case FSM_SYMLINK:   return "symlink";
02526     case FSM_LINK:      return "Link";
02527     case FSM_MKFIFO:    return "mkfifo";
02528     case FSM_MKNOD:     return "mknod";
02529     case FSM_LSTAT:     return "Lstat";
02530     case FSM_STAT:      return "Stat";
02531     case FSM_READLINK:  return "Readlink";
02532     case FSM_CHROOT:    return "chroot";
02533 
02534     case FSM_NEXT:      return "next";
02535     case FSM_EAT:       return "eat";
02536     case FSM_POS:       return "pos";
02537     case FSM_PAD:       return "pad";
02538     case FSM_TRAILER:   return "trailer";
02539     case FSM_HREAD:     return "hread";
02540     case FSM_HWRITE:    return "hwrite";
02541     case FSM_DREAD:     return "Fread";
02542     case FSM_DWRITE:    return "Fwrite";
02543 
02544     case FSM_ROPEN:     return "Fopen";
02545     case FSM_READ:      return "Fread";
02546     case FSM_RCLOSE:    return "Fclose";
02547     case FSM_WOPEN:     return "Fopen";
02548     case FSM_WRITE:     return "Fwrite";
02549     case FSM_WCLOSE:    return "Fclose";
02550 
02551     default:            return "???";
02552     }
02553     /*@noteached@*/
02554 }

Generated on 1 Oct 2013 for rpm by  doxygen 1.4.7