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fsm.c

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00001 
00006 #include "system.h"
00007 
00008 #include <rpmio_internal.h>
00009 #include <rpmlib.h>
00010 
00011 #include "cpio.h"
00012 
00013 #include "fsm.h"
00014 #define fsmUNSAFE       fsmStage
00015 
00016 #include "rpmerr.h"
00017 
00018 #define _RPMFI_INTERNAL
00019 #include "rpmfi.h"
00020 #include "rpmte.h"
00021 #include "rpmts.h"
00022 #include "rpmsq.h"
00023 
00024 #include "ugid.h"               /* XXX unameToUid() and gnameToGid() */
00025 
00026 #include "debug.h"
00027 
00028 /*@access FD_t @*/      /* XXX void ptr args */
00029 /*@access FSMI_t @*/
00030 /*@access FSM_t @*/
00031 
00032 /*@access rpmfi @*/
00033 
00034 #define alloca_strdup(_s)       strcpy(alloca(strlen(_s)+1), (_s))
00035 
00036 #define _FSM_DEBUG      0
00037 /*@unchecked@*/
00038 int _fsm_debug = _FSM_DEBUG;
00039 
00040 /*@-exportheadervar@*/
00041 /*@unchecked@*/
00042 int _fsm_threads = 0;
00043 /*@=exportheadervar@*/
00044 
00045 /* XXX Failure to remove is not (yet) cause for failure. */
00046 /*@-exportlocal -exportheadervar@*/
00047 /*@unchecked@*/
00048 int strict_erasures = 0;
00049 /*@=exportlocal =exportheadervar@*/
00050 
00051 rpmts fsmGetTs(const FSM_t fsm) {
00052     const FSMI_t iter = fsm->iter;
00053     /*@-compdef -refcounttrans -retexpose -usereleased @*/
00054     return (iter ? iter->ts : NULL);
00055     /*@=compdef =refcounttrans =retexpose =usereleased @*/
00056 }
00057 
00058 rpmfi fsmGetFi(const FSM_t fsm)
00059 {
00060     const FSMI_t iter = fsm->iter;
00061     /*@-compdef -refcounttrans -retexpose -usereleased @*/
00062     return (iter ? iter->fi : NULL);
00063     /*@=compdef =refcounttrans =retexpose =usereleased @*/
00064 }
00065 
00066 #define SUFFIX_RPMORIG  ".rpmorig"
00067 #define SUFFIX_RPMSAVE  ".rpmsave"
00068 #define SUFFIX_RPMNEW   ".rpmnew"
00069 
00078 static /*@only@*//*@null@*/
00079 const char * fsmFsPath(/*@special@*/ /*@null@*/ const FSM_t fsm,
00080                 /*@null@*/ const struct stat * st,
00081                 /*@null@*/ const char * subdir,
00082                 /*@null@*/ const char * suffix)
00083         /*@uses fsm->dirName, fsm->baseName */
00084         /*@*/
00085 {
00086     const char * s = NULL;
00087 
00088     if (fsm) {
00089         int nb;
00090         char * t;
00091         nb = strlen(fsm->dirName) +
00092             (st && !S_ISDIR(st->st_mode) ? (subdir ? strlen(subdir) : 0) : 0) +
00093             (st && !S_ISDIR(st->st_mode) ? (suffix ? strlen(suffix) : 0) : 0) +
00094             strlen(fsm->baseName) + 1;
00095 /*@-boundswrite@*/
00096         s = t = xmalloc(nb);
00097         t = stpcpy(t, fsm->dirName);
00098         if (st && !S_ISDIR(st->st_mode))
00099             if (subdir) t = stpcpy(t, subdir);
00100         t = stpcpy(t, fsm->baseName);
00101         if (st && !S_ISDIR(st->st_mode))
00102             if (suffix) t = stpcpy(t, suffix);
00103 /*@=boundswrite@*/
00104     }
00105     return s;
00106 }
00107 
00113 static /*@null@*/ void * mapFreeIterator(/*@only@*//*@null@*/ void * p)
00114         /*@globals fileSystem @*/
00115         /*@modifies fileSystem @*/
00116 {
00117     FSMI_t iter = p;
00118     if (iter) {
00119 /*@-internalglobs@*/ /* XXX rpmswExit() */
00120         iter->ts = rpmtsFree(iter->ts);
00121 /*@=internalglobs@*/
00122         iter->fi = rpmfiUnlink(iter->fi, "mapIterator");
00123     }
00124     return _free(p);
00125 }
00126 
00133 static void *
00134 mapInitIterator(rpmts ts, rpmfi fi)
00135         /*@modifies ts, fi @*/
00136 {
00137     FSMI_t iter = NULL;
00138 
00139     iter = xcalloc(1, sizeof(*iter));
00140     iter->ts = rpmtsLink(ts, "mapIterator");
00141     iter->fi = rpmfiLink(fi, "mapIterator");
00142     iter->reverse = (rpmteType(fi->te) == TR_REMOVED && fi->action != FA_COPYOUT);
00143     iter->i = (iter->reverse ? (fi->fc - 1) : 0);
00144     iter->isave = iter->i;
00145     return iter;
00146 }
00147 
00153 static int mapNextIterator(/*@null@*/ void * a)
00154         /*@*/
00155 {
00156     FSMI_t iter = a;
00157     int i = -1;
00158 
00159     if (iter) {
00160         const rpmfi fi = iter->fi;
00161         if (iter->reverse) {
00162             if (iter->i >= 0)   i = iter->i--;
00163         } else {
00164             if (iter->i < fi->fc)       i = iter->i++;
00165         }
00166         iter->isave = i;
00167     }
00168     return i;
00169 }
00170 
00173 /*@-boundsread@*/
00174 static int cpioStrCmp(const void * a, const void * b)
00175         /*@*/
00176 {
00177     const char * afn = *(const char **)a;
00178     const char * bfn = *(const char **)b;
00179 
00180     /* XXX Some 4+ year old rpm packages have basename only in payloads. */
00181 #ifdef  VERY_OLD_BUGGY_RPM_PACKAGES
00182     if (strchr(afn, '/') == NULL)
00183         bfn = strrchr(bfn, '/') + 1;
00184 #endif
00185 
00186     /* Match rpm-4.0 payloads with ./ prefixes. */
00187     if (afn[0] == '.' && afn[1] == '/') afn += 2;
00188     if (bfn[0] == '.' && bfn[1] == '/') bfn += 2;
00189 
00190     /* If either path is absolute, make it relative. */
00191     if (afn[0] == '/')  afn += 1;
00192     if (bfn[0] == '/')  bfn += 1;
00193 
00194     return strcmp(afn, bfn);
00195 }
00196 /*@=boundsread@*/
00197 
00204 /*@-boundsread@*/
00205 static int mapFind(/*@null@*/ FSMI_t iter, const char * fsmPath)
00206         /*@modifies iter @*/
00207 {
00208     int ix = -1;
00209 
00210     if (iter) {
00211         const rpmfi fi = iter->fi;
00212         if (fi && fi->fc > 0 && fi->apath && fsmPath && *fsmPath) {
00213             const char ** p = NULL;
00214 
00215 /*@-boundswrite@*/
00216             if (fi->apath != NULL)
00217                 p = bsearch(&fsmPath, fi->apath, fi->fc, sizeof(fsmPath),
00218                         cpioStrCmp);
00219 /*@=boundswrite@*/
00220             if (p) {
00221                 iter->i = p - fi->apath;
00222                 ix = mapNextIterator(iter);
00223             }
00224         }
00225     }
00226     return ix;
00227 }
00228 /*@=boundsread@*/
00229 
00233 typedef struct dnli_s {
00234     rpmfi fi;
00235 /*@only@*/ /*@null@*/
00236     char * active;
00237     int reverse;
00238     int isave;
00239     int i;
00240 } * DNLI_t;
00241 
00247 static /*@null@*/ void * dnlFreeIterator(/*@only@*//*@null@*/ const void * a)
00248         /*@modifies a @*/
00249 {
00250     if (a) {
00251         DNLI_t dnli = (void *)a;
00252         if (dnli->active) free(dnli->active);
00253     }
00254     return _free(a);
00255 }
00256 
00259 static inline int dnlCount(/*@null@*/ const DNLI_t dnli)
00260         /*@*/
00261 {
00262     return (dnli ? dnli->fi->dc : 0);
00263 }
00264 
00267 static inline int dnlIndex(/*@null@*/ const DNLI_t dnli)
00268         /*@*/
00269 {
00270     return (dnli ? dnli->isave : -1);
00271 }
00272 
00279 /*@-boundsread@*/
00280 /*@-usereleased@*/
00281 static /*@only@*/ /*@null@*/
00282 void * dnlInitIterator(/*@special@*/ const FSM_t fsm,
00283                 int reverse)
00284         /*@uses fsm->iter @*/ 
00285         /*@*/
00286 {
00287     rpmfi fi = fsmGetFi(fsm);
00288     DNLI_t dnli;
00289     int i, j;
00290 
00291     if (fi == NULL)
00292         return NULL;
00293     dnli = xcalloc(1, sizeof(*dnli));
00294     dnli->fi = fi;
00295     dnli->reverse = reverse;
00296     /*@-branchstate@*/
00297     dnli->i = (reverse ? fi->dc : 0);
00298     /*@=branchstate@*/
00299 
00300     if (fi->dc) {
00301         dnli->active = xcalloc(fi->dc, sizeof(*dnli->active));
00302 
00303         /* Identify parent directories not skipped. */
00304 /*@-boundswrite@*/
00305         for (i = 0; i < fi->fc; i++)
00306             if (!XFA_SKIPPING(fi->actions[i])) dnli->active[fi->dil[i]] = 1;
00307 /*@=boundswrite@*/
00308 
00309         /* Exclude parent directories that are explicitly included. */
00310         for (i = 0; i < fi->fc; i++) {
00311             int dil, dnlen, bnlen;
00312 
00313             if (!S_ISDIR(fi->fmodes[i]))
00314                 continue;
00315 
00316             dil = fi->dil[i];
00317             dnlen = strlen(fi->dnl[dil]);
00318             bnlen = strlen(fi->bnl[i]);
00319 
00320             for (j = 0; j < fi->dc; j++) {
00321                 const char * dnl;
00322                 int jlen;
00323 
00324                 if (!dnli->active[j] || j == dil)
00325                     /*@innercontinue@*/ continue;
00326                 dnl = fi->dnl[j];
00327                 jlen = strlen(dnl);
00328                 if (jlen != (dnlen+bnlen+1))
00329                     /*@innercontinue@*/ continue;
00330                 if (strncmp(dnl, fi->dnl[dil], dnlen))
00331                     /*@innercontinue@*/ continue;
00332                 if (strncmp(dnl+dnlen, fi->bnl[i], bnlen))
00333                     /*@innercontinue@*/ continue;
00334                 if (dnl[dnlen+bnlen] != '/' || dnl[dnlen+bnlen+1] != '\0')
00335                     /*@innercontinue@*/ continue;
00336                 /* This directory is included in the package. */
00337 /*@-boundswrite@*/
00338                 dnli->active[j] = 0;
00339 /*@=boundswrite@*/
00340                 /*@innerbreak@*/ break;
00341             }
00342         }
00343 
00344         /* Print only once per package. */
00345         if (!reverse) {
00346             j = 0;
00347             for (i = 0; i < fi->dc; i++) {
00348                 if (!dnli->active[i]) continue;
00349                 if (j == 0) {
00350                     j = 1;
00351                     rpmMessage(RPMMESS_DEBUG,
00352         _("========== Directories not explicitly included in package:\n"));
00353                 }
00354                 rpmMessage(RPMMESS_DEBUG, _("%10d %s\n"), i, fi->dnl[i]);
00355             }
00356             if (j)
00357                 rpmMessage(RPMMESS_DEBUG, "==========\n");
00358         }
00359     }
00360     return dnli;
00361 }
00362 /*@=usereleased@*/
00363 /*@=boundsread@*/
00364 
00370 /*@-boundsread@*/
00371 static /*@observer@*/ /*@null@*/
00372 const char * dnlNextIterator(/*@null@*/ DNLI_t dnli)
00373         /*@modifies dnli @*/
00374 {
00375     const char * dn = NULL;
00376 
00377     if (dnli) {
00378         rpmfi fi = dnli->fi;
00379         int i = -1;
00380 
00381         if (dnli->active)
00382         do {
00383             i = (!dnli->reverse ? dnli->i++ : --dnli->i);
00384         } while (i >= 0 && i < fi->dc && !dnli->active[i]);
00385 
00386         if (i >= 0 && i < fi->dc)
00387             dn = fi->dnl[i];
00388         else
00389             i = -1;
00390         dnli->isave = i;
00391     }
00392     return dn;
00393 }
00394 /*@=boundsread@*/
00395 
00396 static void * fsmThread(void * arg)
00397         /*@globals h_errno, fileSystem, internalState @*/
00398         /*@modifies arg, fileSystem, internalState @*/
00399 {
00400     FSM_t fsm = arg;
00401 /*@-unqualifiedtrans@*/
00402     return ((void *) fsmStage(fsm, fsm->nstage));
00403 /*@=unqualifiedtrans@*/
00404 }
00405 
00406 int fsmNext(FSM_t fsm, fileStage nstage)
00407         /*@globals h_errno, fileSystem, internalState @*/
00408         /*@modifies fsm, fileSystem, internalState @*/
00409 {
00410     fsm->nstage = nstage;
00411     if (_fsm_threads)
00412         return rpmsqJoin( rpmsqThread(fsmThread, fsm) );
00413     return fsmStage(fsm, fsm->nstage);
00414 }
00415 
00421 /*@-boundsread@*/
00422 static int saveHardLink(/*@special@*/ /*@partial@*/ FSM_t fsm)
00423         /*@uses fsm->links, fsm->ix, fsm->sb, fsm->goal, fsm->nsuffix @*/
00424         /*@defines fsm->li @*/
00425         /*@releases fsm->path @*/
00426         /*@globals h_errno, fileSystem, internalState @*/
00427         /*@modifies fsm, fileSystem, internalState @*/
00428 {
00429     struct stat * st = &fsm->sb;
00430     int rc = 0;
00431     int ix = -1;
00432     int j;
00433 
00434     /* Find hard link set. */
00435     /*@-branchstate@*/
00436     for (fsm->li = fsm->links; fsm->li; fsm->li = fsm->li->next) {
00437         if (fsm->li->sb.st_ino == st->st_ino && fsm->li->sb.st_dev == st->st_dev)
00438             break;
00439     }
00440     /*@=branchstate@*/
00441 
00442     /* New hard link encountered, add new link to set. */
00443 /*@-boundswrite@*/
00444     /*@-branchstate@*/
00445     if (fsm->li == NULL) {
00446         fsm->li = xcalloc(1, sizeof(*fsm->li));
00447         fsm->li->next = NULL;
00448         fsm->li->sb = *st;      /* structure assignment */
00449         fsm->li->nlink = st->st_nlink;
00450         fsm->li->linkIndex = fsm->ix;
00451         fsm->li->createdPath = -1;
00452 
00453         fsm->li->filex = xcalloc(st->st_nlink, sizeof(fsm->li->filex[0]));
00454         memset(fsm->li->filex, -1, (st->st_nlink * sizeof(fsm->li->filex[0])));
00455         fsm->li->nsuffix = xcalloc(st->st_nlink, sizeof(*fsm->li->nsuffix));
00456 
00457         if (fsm->goal == FSM_PKGBUILD)
00458             fsm->li->linksLeft = st->st_nlink;
00459         if (fsm->goal == FSM_PKGINSTALL)
00460             fsm->li->linksLeft = 0;
00461 
00462         /*@-kepttrans@*/
00463         fsm->li->next = fsm->links;
00464         /*@=kepttrans@*/
00465         fsm->links = fsm->li;
00466     }
00467     /*@=branchstate@*/
00468 /*@=boundswrite@*/
00469 
00470     if (fsm->goal == FSM_PKGBUILD) --fsm->li->linksLeft;
00471 /*@-boundswrite@*/
00472     fsm->li->filex[fsm->li->linksLeft] = fsm->ix;
00473     /*@-observertrans -dependenttrans@*/
00474     fsm->li->nsuffix[fsm->li->linksLeft] = fsm->nsuffix;
00475     /*@=observertrans =dependenttrans@*/
00476 /*@=boundswrite@*/
00477     if (fsm->goal == FSM_PKGINSTALL) fsm->li->linksLeft++;
00478 
00479     if (fsm->goal == FSM_PKGBUILD)
00480         return (fsm->li->linksLeft > 0);
00481 
00482     if (fsm->goal != FSM_PKGINSTALL)
00483         return 0;
00484 
00485     if (!(st->st_size || fsm->li->linksLeft == st->st_nlink))
00486         return 1;
00487 
00488     /* Here come the bits, time to choose a non-skipped file name. */
00489     {   rpmfi fi = fsmGetFi(fsm);
00490 
00491         for (j = fsm->li->linksLeft - 1; j >= 0; j--) {
00492             ix = fsm->li->filex[j];
00493             if (ix < 0 || XFA_SKIPPING(fi->actions[ix]))
00494                 continue;
00495             break;
00496         }
00497     }
00498 
00499     /* Are all links skipped or not encountered yet? */
00500     if (ix < 0 || j < 0)
00501         return 1;       /* XXX W2DO? */
00502 
00503     /* Save the non-skipped file name and map index. */
00504     fsm->li->linkIndex = j;
00505     fsm->path = _free(fsm->path);
00506     fsm->ix = ix;
00507     rc = fsmNext(fsm, FSM_MAP);
00508     return rc;
00509 }
00510 /*@=boundsread@*/
00511 
00517 static /*@null@*/ void * freeHardLink(/*@only@*/ /*@null@*/ struct hardLink_s * li)
00518         /*@modifies li @*/
00519 {
00520     if (li) {
00521         li->nsuffix = _free(li->nsuffix);       /* XXX elements are shared */
00522         li->filex = _free(li->filex);
00523     }
00524     return _free(li);
00525 }
00526 
00527 FSM_t newFSM(void)
00528 {
00529     FSM_t fsm = xcalloc(1, sizeof(*fsm));
00530     return fsm;
00531 }
00532 
00533 FSM_t freeFSM(FSM_t fsm)
00534 {
00535     if (fsm) {
00536         fsm->path = _free(fsm->path);
00537         /*@-branchstate@*/
00538         while ((fsm->li = fsm->links) != NULL) {
00539             fsm->links = fsm->li->next;
00540             fsm->li->next = NULL;
00541             fsm->li = freeHardLink(fsm->li);
00542         }
00543         /*@=branchstate@*/
00544         fsm->dnlx = _free(fsm->dnlx);
00545         fsm->ldn = _free(fsm->ldn);
00546         fsm->iter = mapFreeIterator(fsm->iter);
00547     }
00548     return _free(fsm);
00549 }
00550 
00551 int fsmSetup(FSM_t fsm, fileStage goal,
00552                 const rpmts ts, const rpmfi fi, FD_t cfd,
00553                 unsigned int * archiveSize, const char ** failedFile)
00554 {
00555     size_t pos = 0;
00556     int rc, ec = 0;
00557 
00558     fsm->goal = goal;
00559     if (cfd != NULL) {
00560         fsm->cfd = fdLink(cfd, "persist (fsm)");
00561         pos = fdGetCpioPos(fsm->cfd);
00562         fdSetCpioPos(fsm->cfd, 0);
00563     }
00564     fsm->iter = mapInitIterator(ts, fi);
00565 
00566     if (fsm->goal == FSM_PKGINSTALL || fsm->goal == FSM_PKGBUILD) {
00567         void * ptr;
00568         fi->archivePos = 0;
00569         ptr = rpmtsNotify(ts, fi->te,
00570                 RPMCALLBACK_INST_START, fi->archivePos, fi->archiveSize);
00571     }
00572 
00573 /*@-boundswrite@*/
00574     /*@-assignexpose@*/
00575     fsm->archiveSize = archiveSize;
00576     if (fsm->archiveSize)
00577         *fsm->archiveSize = 0;
00578     fsm->failedFile = failedFile;
00579     if (fsm->failedFile)
00580         *fsm->failedFile = NULL;
00581     /*@=assignexpose@*/
00582 /*@=boundswrite@*/
00583 
00584     memset(fsm->sufbuf, 0, sizeof(fsm->sufbuf));
00585     if (fsm->goal == FSM_PKGINSTALL) {
00586         if (ts && rpmtsGetTid(ts) > 0)
00587             sprintf(fsm->sufbuf, ";%08x", (unsigned)rpmtsGetTid(ts));
00588     }
00589 
00590     ec = fsm->rc = 0;
00591     rc = fsmUNSAFE(fsm, FSM_CREATE);
00592     if (rc && !ec) ec = rc;
00593 
00594     rc = fsmUNSAFE(fsm, fsm->goal);
00595     if (rc && !ec) ec = rc;
00596 
00597 /*@-boundswrite@*/
00598     if (fsm->archiveSize && ec == 0)
00599         *fsm->archiveSize = (fdGetCpioPos(fsm->cfd) - pos);
00600 /*@=boundswrite@*/
00601 
00602 /*@-nullstate@*/ /* FIX: *fsm->failedFile may be NULL */
00603    return ec;
00604 /*@=nullstate@*/
00605 }
00606 
00607 int fsmTeardown(FSM_t fsm)
00608 {
00609     int rc = fsm->rc;
00610 
00611     if (!rc)
00612         rc = fsmUNSAFE(fsm, FSM_DESTROY);
00613 
00614     fsm->iter = mapFreeIterator(fsm->iter);
00615     if (fsm->cfd != NULL) {
00616         fsm->cfd = fdFree(fsm->cfd, "persist (fsm)");
00617         fsm->cfd = NULL;
00618     }
00619     fsm->failedFile = NULL;
00620     return rc;
00621 }
00622 
00623 static int fsmMapFContext(FSM_t fsm)
00624         /*@modifies fsm @*/
00625 {
00626     rpmts ts = fsmGetTs(fsm);
00627     rpmfi fi = fsmGetFi(fsm);
00628     struct stat * st = &fsm->sb;
00629 
00630     /*
00631      * Find file security context (if not disabled).
00632      */
00633     fsm->fcontext = NULL;
00634     if (ts != NULL && rpmtsSELinuxEnabled(ts) == 1 &&
00635         !(rpmtsFlags(ts) & RPMTRANS_FLAG_NOCONTEXTS))
00636     {
00637         rpmsx sx = rpmtsREContext(ts);
00638 
00639         if (sx != NULL) {
00640             /* Get file security context from patterns. */
00641             fsm->fcontext = rpmsxFContext(sx, fsm->path, st->st_mode);
00642             sx = rpmsxFree(sx);
00643         } else {
00644             int i = fsm->ix;
00645 
00646             /* Get file security context from package. */
00647             if (fi && i >= 0 && i < fi->fc)
00648                 fsm->fcontext = (fi->fcontexts ? fi->fcontexts[i] : NULL);
00649         }
00650     }
00651     return 0;
00652 }
00653 
00654 int fsmMapPath(FSM_t fsm)
00655 {
00656     rpmfi fi = fsmGetFi(fsm);   /* XXX const except for fstates */
00657     int rc = 0;
00658     int i;
00659 
00660     fsm->osuffix = NULL;
00661     fsm->nsuffix = NULL;
00662     fsm->astriplen = 0;
00663     fsm->action = FA_UNKNOWN;
00664     fsm->mapFlags = 0;
00665 
00666     i = fsm->ix;
00667     if (fi && i >= 0 && i < fi->fc) {
00668 
00669 /*@-boundsread@*/
00670         fsm->astriplen = fi->astriplen;
00671         fsm->action = (fi->actions ? fi->actions[i] : fi->action);
00672         fsm->fflags = (fi->fflags ? fi->fflags[i] : fi->flags);
00673         fsm->mapFlags = (fi->fmapflags ? fi->fmapflags[i] : fi->mapflags);
00674 
00675         /* src rpms have simple base name in payload. */
00676         fsm->dirName = fi->dnl[fi->dil[i]];
00677         fsm->baseName = fi->bnl[i];
00678 /*@=boundsread@*/
00679 
00680 /*@-boundswrite@*/
00681         switch (fsm->action) {
00682         case FA_SKIP:
00683             break;
00684         case FA_UNKNOWN:
00685             break;
00686 
00687         case FA_COPYOUT:
00688             break;
00689         case FA_COPYIN:
00690         case FA_CREATE:
00691 assert(rpmteType(fi->te) == TR_ADDED);
00692             break;
00693 
00694         case FA_SKIPNSTATE:
00695             if (fi->fstates && rpmteType(fi->te) == TR_ADDED)
00696                 fi->fstates[i] = RPMFILE_STATE_NOTINSTALLED;
00697             break;
00698 
00699         case FA_SKIPNETSHARED:
00700             if (fi->fstates && rpmteType(fi->te) == TR_ADDED)
00701                 fi->fstates[i] = RPMFILE_STATE_NETSHARED;
00702             break;
00703 
00704         case FA_SKIPCOLOR:
00705             if (fi->fstates && rpmteType(fi->te) == TR_ADDED)
00706                 fi->fstates[i] = RPMFILE_STATE_WRONGCOLOR;
00707             break;
00708 
00709         case FA_BACKUP:
00710             if (!(fsm->fflags & RPMFILE_GHOST)) /* XXX Don't if %ghost file. */
00711             switch (rpmteType(fi->te)) {
00712             case TR_ADDED:
00713                 fsm->osuffix = SUFFIX_RPMORIG;
00714                 /*@innerbreak@*/ break;
00715             case TR_REMOVED:
00716                 fsm->osuffix = SUFFIX_RPMSAVE;
00717                 /*@innerbreak@*/ break;
00718             }
00719             break;
00720 
00721         case FA_ALTNAME:
00722 assert(rpmteType(fi->te) == TR_ADDED);
00723             if (!(fsm->fflags & RPMFILE_GHOST)) /* XXX Don't if %ghost file. */
00724                 fsm->nsuffix = SUFFIX_RPMNEW;
00725             break;
00726 
00727         case FA_SAVE:
00728 assert(rpmteType(fi->te) == TR_ADDED);
00729             if (!(fsm->fflags & RPMFILE_GHOST)) /* XXX Don't if %ghost file. */
00730                 fsm->osuffix = SUFFIX_RPMSAVE;
00731             break;
00732         case FA_ERASE:
00733 #if 0   /* XXX is this a genhdlist fix? */
00734             assert(rpmteType(fi->te) == TR_REMOVED);
00735 #endif
00736             /*
00737              * XXX TODO: %ghost probably shouldn't be removed, but that changes
00738              * legacy rpm behavior.
00739              */
00740             break;
00741         default:
00742             break;
00743         }
00744 /*@=boundswrite@*/
00745 
00746         if ((fsm->mapFlags & CPIO_MAP_PATH) || fsm->nsuffix) {
00747             const struct stat * st = &fsm->sb;
00748             fsm->path = _free(fsm->path);
00749             fsm->path = fsmFsPath(fsm, st, fsm->subdir,
00750                 (fsm->suffix ? fsm->suffix : fsm->nsuffix));
00751         }
00752     }
00753     return rc;
00754 }
00755 
00756 int fsmMapAttrs(FSM_t fsm)
00757 {
00758     struct stat * st = &fsm->sb;
00759     rpmfi fi = fsmGetFi(fsm);
00760     int i = fsm->ix;
00761 
00762     if (fi && i >= 0 && i < fi->fc) {
00763         mode_t perms = (S_ISDIR(st->st_mode) ? fi->dperms : fi->fperms);
00764         mode_t finalMode = (fi->fmodes ? fi->fmodes[i] : perms);
00765         dev_t finalRdev = (fi->frdevs ? fi->frdevs[i] : 0);
00766         int_32 finalMtime = (fi->fmtimes ? fi->fmtimes[i] : 0);
00767         uid_t uid = fi->uid;
00768         gid_t gid = fi->gid;
00769 
00770         if (fi->fuser && unameToUid(fi->fuser[i], &uid)) {
00771             if (fsm->goal == FSM_PKGINSTALL)
00772                 rpmMessage(RPMMESS_WARNING,
00773                     _("user %s does not exist - using root\n"), fi->fuser[i]);
00774             uid = 0;
00775             finalMode &= ~S_ISUID;      /* turn off suid bit */
00776         }
00777 
00778         if (fi->fgroup && gnameToGid(fi->fgroup[i], &gid)) {
00779             if (fsm->goal == FSM_PKGINSTALL)
00780                 rpmMessage(RPMMESS_WARNING,
00781                     _("group %s does not exist - using root\n"), fi->fgroup[i]);
00782             gid = 0;
00783             finalMode &= ~S_ISGID;      /* turn off sgid bit */
00784         }
00785 
00786         if (fsm->mapFlags & CPIO_MAP_MODE)
00787             st->st_mode = (st->st_mode & S_IFMT) | (finalMode & ~S_IFMT);
00788         if (fsm->mapFlags & CPIO_MAP_TYPE) {
00789             st->st_mode = (st->st_mode & ~S_IFMT) | (finalMode & S_IFMT);
00790             if ((S_ISCHR(st->st_mode) || S_ISBLK(st->st_mode))
00791             && st->st_nlink == 0)
00792                 st->st_nlink = 1;
00793             st->st_rdev = finalRdev;
00794             st->st_mtime = finalMtime;
00795         }
00796         if (fsm->mapFlags & CPIO_MAP_UID)
00797             st->st_uid = uid;
00798         if (fsm->mapFlags & CPIO_MAP_GID)
00799             st->st_gid = gid;
00800 
00801         {   rpmts ts = fsmGetTs(fsm);
00802 
00803             /*
00804              * Set file md5 (if not disabled).
00805              */
00806             if (ts != NULL && !(rpmtsFlags(ts) & RPMTRANS_FLAG_NOMD5)) {
00807                 fsm->fmd5sum = (fi->fmd5s ? fi->fmd5s[i] : NULL);
00808                 fsm->md5sum = (fi->md5s ? (fi->md5s + (16 * i)) : NULL);
00809             } else {
00810                 fsm->fmd5sum = NULL;
00811                 fsm->md5sum = NULL;
00812             }
00813         }
00814 
00815     }
00816     return 0;
00817 }
00818 
00824 /*@-compdef@*/
00825 static int expandRegular(/*@special@*/ FSM_t fsm)
00826         /*@uses fsm->fmd5sum, fsm->md5sum, fsm->sb, fsm->wfd  @*/
00827         /*@globals h_errno, fileSystem, internalState @*/
00828         /*@modifies fsm, fileSystem, internalState @*/
00829 {
00830     const struct stat * st = &fsm->sb;
00831     int left = st->st_size;
00832     int rc = 0;
00833 
00834     rc = fsmNext(fsm, FSM_WOPEN);
00835     if (rc)
00836         goto exit;
00837 
00838     if (st->st_size > 0 && (fsm->fmd5sum != NULL || fsm->md5sum != NULL))
00839         fdInitDigest(fsm->wfd, PGPHASHALGO_MD5, 0);
00840 
00841     while (left) {
00842 
00843         fsm->wrlen = (left > fsm->wrsize ? fsm->wrsize : left);
00844         rc = fsmNext(fsm, FSM_DREAD);
00845         if (rc)
00846             goto exit;
00847 
00848         rc = fsmNext(fsm, FSM_WRITE);
00849         if (rc)
00850             goto exit;
00851 
00852         left -= fsm->wrnb;
00853 
00854         /* don't call this with fileSize == fileComplete */
00855         if (!rc && left)
00856             (void) fsmNext(fsm, FSM_NOTIFY);
00857     }
00858 
00859     if (st->st_size > 0 && (fsm->fmd5sum || fsm->md5sum)) {
00860         void * md5sum = NULL;
00861         int asAscii = (fsm->md5sum == NULL ? 1 : 0);
00862 
00863         (void) Fflush(fsm->wfd);
00864         fdFiniDigest(fsm->wfd, PGPHASHALGO_MD5, &md5sum, NULL, asAscii);
00865 
00866         if (md5sum == NULL) {
00867             rc = CPIOERR_MD5SUM_MISMATCH;
00868             goto exit;
00869         }
00870 
00871         if (fsm->md5sum != NULL) {
00872             if (memcmp(md5sum, fsm->md5sum, 16))
00873                 rc = CPIOERR_MD5SUM_MISMATCH;
00874         } else {
00875             if (strcmp(md5sum, fsm->fmd5sum))
00876                 rc = CPIOERR_MD5SUM_MISMATCH;
00877         }
00878         md5sum = _free(md5sum);
00879     }
00880 
00881 exit:
00882     (void) fsmNext(fsm, FSM_WCLOSE);
00883     return rc;
00884 }
00885 /*@=compdef@*/
00886 
00893 /*@-compdef -compmempass@*/
00894 static int writeFile(/*@special@*/ /*@partial@*/ FSM_t fsm, int writeData)
00895         /*@uses fsm->path, fsm->opath, fsm->sb, fsm->osb, fsm->cfd @*/
00896         /*@globals h_errno, fileSystem, internalState @*/
00897         /*@modifies fsm, fileSystem, internalState @*/
00898 {
00899     const char * path = fsm->path;
00900     const char * opath = fsm->opath;
00901     struct stat * st = &fsm->sb;
00902     struct stat * ost = &fsm->osb;
00903     char * symbuf = NULL;
00904     int left;
00905     int xx;
00906     int rc;
00907 
00908     st->st_size = (writeData ? ost->st_size : 0);
00909 
00910     /*@-branchstate@*/
00911     if (S_ISDIR(st->st_mode)) {
00912         st->st_size = 0;
00913     } else if (S_ISLNK(st->st_mode)) {
00914         /*
00915          * While linux puts the size of a symlink in the st_size field,
00916          * I don't think that's a specified standard.
00917          */
00918         /* XXX NUL terminated result in fsm->rdbuf, len in fsm->rdnb. */
00919         rc = fsmUNSAFE(fsm, FSM_READLINK);
00920         if (rc) goto exit;
00921         st->st_size = fsm->rdnb;
00922         symbuf = alloca_strdup(fsm->rdbuf);     /* XXX save readlink return. */
00923     }
00924     /*@=branchstate@*/
00925 
00926     if (fsm->mapFlags & CPIO_MAP_ABSOLUTE) {
00927 /*@-boundswrite@*/
00928         int nb = strlen(fsm->dirName) + strlen(fsm->baseName) + sizeof(".");
00929         char * t = alloca(nb);
00930         *t = '\0';
00931         fsm->path = t;
00932         if (fsm->mapFlags & CPIO_MAP_ADDDOT)
00933             *t++ = '.';
00934         t = stpcpy( stpcpy(t, fsm->dirName), fsm->baseName);
00935 /*@=boundswrite@*/
00936     } else if (fsm->mapFlags & CPIO_MAP_PATH) {
00937         rpmfi fi = fsmGetFi(fsm);
00938         fsm->path =
00939             (fi->apath ? fi->apath[fsm->ix] + fi->striplen : fi->bnl[fsm->ix]);
00940     }
00941 
00942     rc = fsmNext(fsm, FSM_HWRITE);
00943     fsm->path = path;
00944     if (rc) goto exit;
00945 
00946     if (writeData && S_ISREG(st->st_mode)) {
00947 #if HAVE_MMAP
00948         char * rdbuf = NULL;
00949         void * mapped = (void *)-1;
00950         size_t nmapped;
00951 #endif
00952 
00953         rc = fsmNext(fsm, FSM_ROPEN);
00954         if (rc) goto exit;
00955 
00956         /* XXX unbuffered mmap generates *lots* of fdio debugging */
00957 #if HAVE_MMAP
00958         nmapped = 0;
00959         mapped = mmap(NULL, st->st_size, PROT_READ, MAP_SHARED, Fileno(fsm->rfd), 0);
00960         if (mapped != (void *)-1) {
00961             rdbuf = fsm->rdbuf;
00962             fsm->rdbuf = (char *) mapped;
00963             fsm->rdlen = nmapped = st->st_size;
00964 #if defined(MADV_DONTNEED)
00965             xx = madvise(mapped, nmapped, MADV_DONTNEED);
00966 #endif
00967         }
00968 #endif
00969 
00970         left = st->st_size;
00971 
00972         while (left) {
00973 #if HAVE_MMAP
00974           if (mapped != (void *)-1) {
00975             fsm->rdnb = nmapped;
00976           } else
00977 #endif
00978           {
00979             fsm->rdlen = (left > fsm->rdsize ? fsm->rdsize : left),
00980             rc = fsmNext(fsm, FSM_READ);
00981             if (rc) goto exit;
00982           }
00983 
00984             /* XXX DWRITE uses rdnb for I/O length. */
00985             rc = fsmNext(fsm, FSM_DWRITE);
00986             if (rc) goto exit;
00987 
00988             left -= fsm->wrnb;
00989         }
00990 
00991 #if HAVE_MMAP
00992 /*@-branchstate@*/
00993         if (mapped != (void *)-1) {
00994             xx = msync(mapped, nmapped, MS_ASYNC);
00995 #if defined(MADV_DONTNEED)
00996             xx = madvise(mapped, nmapped, MADV_DONTNEED);
00997 #endif
00998 /*@-noeffect@*/
00999             xx = munmap(mapped, nmapped);
01000 /*@=noeffect@*/
01001             fsm->rdbuf = rdbuf;
01002         }
01003 /*@=branchstate@*/
01004 #endif
01005 
01006     } else if (writeData && S_ISLNK(st->st_mode)) {
01007         /* XXX DWRITE uses rdnb for I/O length. */
01008 /*@-boundswrite@*/
01009         strcpy(fsm->rdbuf, symbuf);     /* XXX restore readlink buffer. */
01010 /*@=boundswrite@*/
01011         fsm->rdnb = strlen(symbuf);
01012         rc = fsmNext(fsm, FSM_DWRITE);
01013         if (rc) goto exit;
01014     }
01015 
01016     rc = fsmNext(fsm, FSM_PAD);
01017     if (rc) goto exit;
01018 
01019     rc = 0;
01020 
01021 exit:
01022     if (fsm->rfd != NULL)
01023         (void) fsmNext(fsm, FSM_RCLOSE);
01024 /*@-dependenttrans@*/
01025     fsm->opath = opath;
01026     fsm->path = path;
01027 /*@=dependenttrans@*/
01028     return rc;
01029 }
01030 /*@=compdef =compmempass@*/
01031 
01037 static int writeLinkedFile(/*@special@*/ /*@partial@*/ FSM_t fsm)
01038         /*@uses fsm->path, fsm->nsuffix, fsm->ix, fsm->li, fsm->failedFile @*/
01039         /*@globals h_errno, fileSystem, internalState @*/
01040         /*@modifies fsm, fileSystem, internalState @*/
01041 {
01042     const char * path = fsm->path;
01043     const char * nsuffix = fsm->nsuffix;
01044     int iterIndex = fsm->ix;
01045     int ec = 0;
01046     int rc;
01047     int i;
01048 
01049     fsm->path = NULL;
01050     fsm->nsuffix = NULL;
01051     fsm->ix = -1;
01052 
01053 /*@-boundswrite@*/
01054 /*@-branchstate@*/
01055     for (i = fsm->li->nlink - 1; i >= 0; i--) {
01056 
01057         if (fsm->li->filex[i] < 0) continue;
01058 
01059         fsm->ix = fsm->li->filex[i];
01060 /*@-compdef@*/
01061         rc = fsmNext(fsm, FSM_MAP);
01062 /*@=compdef@*/
01063 
01064         /* Write data after last link. */
01065         rc = writeFile(fsm, (i == 0));
01066         if (fsm->failedFile && rc != 0 && *fsm->failedFile == NULL) {
01067             ec = rc;
01068             *fsm->failedFile = xstrdup(fsm->path);
01069         }
01070 
01071         fsm->path = _free(fsm->path);
01072         fsm->li->filex[i] = -1;
01073     }
01074 /*@=branchstate@*/
01075 /*@=boundswrite@*/
01076 
01077     fsm->ix = iterIndex;
01078     fsm->nsuffix = nsuffix;
01079     fsm->path = path;
01080     return ec;
01081 }
01082 
01088 /*@-boundsread@*/
01089 /*@-compdef@*/
01090 static int fsmMakeLinks(/*@special@*/ /*@partial@*/ FSM_t fsm)
01091         /*@uses fsm->path, fsm->opath, fsm->nsuffix, fsm->ix, fsm->li @*/
01092         /*@globals h_errno, fileSystem, internalState @*/
01093         /*@modifies fsm, fileSystem, internalState @*/
01094 {
01095     const char * path = fsm->path;
01096     const char * opath = fsm->opath;
01097     const char * nsuffix = fsm->nsuffix;
01098     int iterIndex = fsm->ix;
01099     int ec = 0;
01100     int rc;
01101     int i;
01102 
01103     fsm->path = NULL;
01104     fsm->opath = NULL;
01105     fsm->nsuffix = NULL;
01106     fsm->ix = -1;
01107 
01108     fsm->ix = fsm->li->filex[fsm->li->createdPath];
01109     rc = fsmNext(fsm, FSM_MAP);
01110     fsm->opath = fsm->path;
01111     fsm->path = NULL;
01112     /*@-branchstate@*/
01113     for (i = 0; i < fsm->li->nlink; i++) {
01114         if (fsm->li->filex[i] < 0) continue;
01115         if (fsm->li->createdPath == i) continue;
01116 
01117         fsm->ix = fsm->li->filex[i];
01118         fsm->path = _free(fsm->path);
01119         rc = fsmNext(fsm, FSM_MAP);
01120         if (XFA_SKIPPING(fsm->action)) continue;
01121 
01122         rc = fsmUNSAFE(fsm, FSM_VERIFY);
01123         if (!rc) continue;
01124         if (!(rc == CPIOERR_ENOENT)) break;
01125 
01126         /* XXX link(fsm->opath, fsm->path) */
01127         rc = fsmNext(fsm, FSM_LINK);
01128         if (fsm->failedFile && rc != 0 && *fsm->failedFile == NULL) {
01129             ec = rc;
01130 /*@-boundswrite@*/
01131             *fsm->failedFile = xstrdup(fsm->path);
01132 /*@=boundswrite@*/
01133         }
01134 
01135         fsm->li->linksLeft--;
01136     }
01137     /*@=branchstate@*/
01138     fsm->path = _free(fsm->path);
01139     fsm->opath = _free(fsm->opath);
01140 
01141     fsm->ix = iterIndex;
01142     fsm->nsuffix = nsuffix;
01143     fsm->path = path;
01144     fsm->opath = opath;
01145     return ec;
01146 }
01147 /*@=compdef@*/
01148 /*@=boundsread@*/
01149 
01155 /*@-compdef@*/
01156 static int fsmCommitLinks(/*@special@*/ /*@partial@*/ FSM_t fsm)
01157         /*@uses fsm->path, fsm->nsuffix, fsm->ix, fsm->sb,
01158                 fsm->li, fsm->links @*/
01159         /*@globals h_errno, fileSystem, internalState @*/
01160         /*@modifies fsm, fileSystem, internalState @*/
01161 {
01162     const char * path = fsm->path;
01163     const char * nsuffix = fsm->nsuffix;
01164     int iterIndex = fsm->ix;
01165     struct stat * st = &fsm->sb;
01166     int rc = 0;
01167     int i;
01168 
01169     fsm->path = NULL;
01170     fsm->nsuffix = NULL;
01171     fsm->ix = -1;
01172 
01173     /*@-branchstate@*/
01174     for (fsm->li = fsm->links; fsm->li; fsm->li = fsm->li->next) {
01175         if (fsm->li->sb.st_ino == st->st_ino && fsm->li->sb.st_dev == st->st_dev)
01176             break;
01177     }
01178     /*@=branchstate@*/
01179 
01180 /*@-boundswrite@*/
01181     for (i = 0; i < fsm->li->nlink; i++) {
01182         if (fsm->li->filex[i] < 0) continue;
01183         fsm->ix = fsm->li->filex[i];
01184         rc = fsmNext(fsm, FSM_MAP);
01185         if (!XFA_SKIPPING(fsm->action))
01186             rc = fsmNext(fsm, FSM_COMMIT);
01187         fsm->path = _free(fsm->path);
01188         fsm->li->filex[i] = -1;
01189     }
01190 /*@=boundswrite@*/
01191 
01192     fsm->ix = iterIndex;
01193     fsm->nsuffix = nsuffix;
01194     fsm->path = path;
01195     return rc;
01196 }
01197 /*@=compdef@*/
01198 
01204 static int fsmRmdirs(/*@special@*/ /*@partial@*/ FSM_t fsm)
01205         /*@uses fsm->path, fsm->dnlx, fsm->ldn, fsm->rdbuf, fsm->iter @*/
01206         /*@globals h_errno, fileSystem, internalState @*/
01207         /*@modifies fsm, fileSystem, internalState @*/
01208 {
01209     const char * path = fsm->path;
01210     void * dnli = dnlInitIterator(fsm, 1);
01211     char * dn = fsm->rdbuf;
01212     int dc = dnlCount(dnli);
01213     int rc = 0;
01214 
01215     fsm->path = NULL;
01216 /*@-boundswrite@*/
01217     dn[0] = '\0';
01218     /*@-observertrans -dependenttrans@*/
01219     if (fsm->ldn != NULL && fsm->dnlx != NULL)
01220     while ((fsm->path = dnlNextIterator(dnli)) != NULL) {
01221         int dnlen = strlen(fsm->path);
01222         char * te;
01223 
01224         dc = dnlIndex(dnli);
01225         if (fsm->dnlx[dc] < 1 || fsm->dnlx[dc] >= dnlen)
01226             continue;
01227 
01228         /* Copy to avoid const on fsm->path. */
01229         te = stpcpy(dn, fsm->path) - 1;
01230         fsm->path = dn;
01231 
01232         /* Remove generated directories. */
01233         /*@-usereleased@*/ /* LCL: te used after release? */
01234         do {
01235             if (*te == '/') {
01236                 *te = '\0';
01237 /*@-compdef@*/
01238                 rc = fsmNext(fsm, FSM_RMDIR);
01239 /*@=compdef@*/
01240                 *te = '/';
01241             }
01242             if (rc)
01243                 /*@innerbreak@*/ break;
01244             te--;
01245         } while ((te - fsm->path) > fsm->dnlx[dc]);
01246         /*@=usereleased@*/
01247     }
01248 /*@=boundswrite@*/
01249     dnli = dnlFreeIterator(dnli);
01250     /*@=observertrans =dependenttrans@*/
01251 
01252     fsm->path = path;
01253     return rc;
01254 }
01255 
01261 static int fsmMkdirs(/*@special@*/ /*@partial@*/ FSM_t fsm)
01262         /*@uses fsm->path, fsm->sb, fsm->osb, fsm->rdbuf, fsm->iter,
01263                 fsm->ldn, fsm->ldnlen, fsm->ldnalloc @*/
01264         /*@defines fsm->dnlx, fsm->ldn @*/
01265         /*@globals h_errno, fileSystem, internalState @*/
01266         /*@modifies fsm, fileSystem, internalState @*/
01267 {
01268     struct stat * st = &fsm->sb;
01269     struct stat * ost = &fsm->osb;
01270     const char * path = fsm->path;
01271     mode_t st_mode = st->st_mode;
01272     void * dnli = dnlInitIterator(fsm, 0);
01273     char * dn = fsm->rdbuf;
01274     int dc = dnlCount(dnli);
01275     int rc = 0;
01276     int i;
01277     rpmts ts = fsmGetTs(fsm);
01278     rpmsx sx = rpmtsREContext(ts);
01279 
01280     fsm->path = NULL;
01281 
01282 /*@-boundswrite@*/
01283     dn[0] = '\0';
01284     fsm->dnlx = (dc ? xcalloc(dc, sizeof(*fsm->dnlx)) : NULL);
01285     /*@-observertrans -dependenttrans@*/
01286     if (fsm->dnlx != NULL)
01287     while ((fsm->path = dnlNextIterator(dnli)) != NULL) {
01288         int dnlen = strlen(fsm->path);
01289         char * te;
01290 
01291         dc = dnlIndex(dnli);
01292         if (dc < 0) continue;
01293         fsm->dnlx[dc] = dnlen;
01294         if (dnlen <= 1)
01295             continue;
01296 
01297         /*@-compdef -nullpass@*/        /* FIX: fsm->ldn not defined ??? */
01298         if (dnlen <= fsm->ldnlen && !strcmp(fsm->path, fsm->ldn))
01299             continue;
01300         /*@=compdef =nullpass@*/
01301 
01302         /* Copy to avoid const on fsm->path. */
01303         (void) stpcpy(dn, fsm->path);
01304         fsm->path = dn;
01305 
01306         /* Assume '/' directory exists, "mkdir -p" for others if non-existent */
01307         for (i = 1, te = dn + 1; *te != '\0'; te++, i++) {
01308             if (*te != '/')
01309                 /*@innercontinue@*/ continue;
01310 
01311             *te = '\0';
01312 
01313             /* Already validated? */
01314             /*@-usedef -compdef -nullpass -nullderef@*/
01315             if (i < fsm->ldnlen &&
01316                 (fsm->ldn[i] == '/' || fsm->ldn[i] == '\0') &&
01317                 !strncmp(fsm->path, fsm->ldn, i))
01318             {
01319                 *te = '/';
01320                 /* Move pre-existing path marker forward. */
01321                 fsm->dnlx[dc] = (te - dn);
01322                 /*@innercontinue@*/ continue;
01323             }
01324             /*@=usedef =compdef =nullpass =nullderef@*/
01325 
01326             /* Validate next component of path. */
01327             rc = fsmUNSAFE(fsm, FSM_LSTAT);
01328             *te = '/';
01329 
01330             /* Directory already exists? */
01331             if (rc == 0 && S_ISDIR(ost->st_mode)) {
01332                 /* Move pre-existing path marker forward. */
01333                 fsm->dnlx[dc] = (te - dn);
01334             } else if (rc == CPIOERR_ENOENT) {
01335                 rpmfi fi = fsmGetFi(fsm);
01336                 *te = '\0';
01337                 st->st_mode = S_IFDIR | (fi->dperms & 07777);
01338                 rc = fsmNext(fsm, FSM_MKDIR);
01339                 if (!rc) {
01340                     /* XXX FIXME? only new dir will have context set. */
01341                     /* Get file security context from patterns. */
01342                     if (sx != NULL) {
01343                         fsm->fcontext = rpmsxFContext(sx, fsm->path, st->st_mode);
01344                         rc = fsmNext(fsm, FSM_LSETFCON);
01345                     }
01346                     if (fsm->fcontext == NULL)
01347                         rpmMessage(RPMMESS_DEBUG,
01348                             _("%s directory created with perms %04o, no context.\n"),
01349                             fsm->path, (unsigned)(st->st_mode & 07777));
01350                     else
01351                         rpmMessage(RPMMESS_DEBUG,
01352                             _("%s directory created with perms %04o, context %s.\n"),
01353                             fsm->path, (unsigned)(st->st_mode & 07777),
01354                             fsm->fcontext);
01355                     fsm->fcontext = NULL;
01356                 }
01357                 *te = '/';
01358             }
01359             if (rc)
01360                 /*@innerbreak@*/ break;
01361         }
01362         if (rc) break;
01363 
01364         /* Save last validated path. */
01365 /*@-compdef@*/ /* FIX: ldn/path annotations ? */
01366         if (fsm->ldnalloc < (dnlen + 1)) {
01367             fsm->ldnalloc = dnlen + 100;
01368             fsm->ldn = xrealloc(fsm->ldn, fsm->ldnalloc);
01369         }
01370         if (fsm->ldn != NULL) { /* XXX can't happen */
01371             strcpy(fsm->ldn, fsm->path);
01372             fsm->ldnlen = dnlen;
01373         }
01374 /*@=compdef@*/
01375     }
01376 /*@=boundswrite@*/
01377     dnli = dnlFreeIterator(dnli);
01378     sx = rpmsxFree(sx);
01379     /*@=observertrans =dependenttrans@*/
01380 
01381     fsm->path = path;
01382     st->st_mode = st_mode;              /* XXX restore st->st_mode */
01383 /*@-compdef@*/ /* FIX: ldn/path annotations ? */
01384     return rc;
01385 /*@=compdef@*/
01386 }
01387 
01388 #ifdef  NOTYET
01389 
01394 static int fsmStat(/*@special@*/ /*@partial@*/ FSM_t fsm)
01395         /*@globals fileSystem, internalState @*/
01396         /*@modifies fsm, fileSystem, internalState @*/
01397 {
01398     int rc = 0;
01399 
01400     if (fsm->path != NULL) {
01401         int saveernno = errno;
01402         rc = fsmUNSAFE(fsm, (!(fsm->mapFlags & CPIO_FOLLOW_SYMLINKS)
01403                         ? FSM_LSTAT : FSM_STAT));
01404         if (rc == CPIOERR_ENOENT) {
01405             errno = saveerrno;
01406             rc = 0;
01407             fsm->exists = 0;
01408         } else if (rc == 0) {
01409             fsm->exists = 1;
01410         }
01411     } else {
01412         /* Skip %ghost files on build. */
01413         fsm->exists = 0;
01414     }
01415     return rc;
01416 }
01417 #endif
01418 
01419 static void removeSBITS(const char *path)
01420 {
01421     struct stat stb;
01422     if (lstat(path, &stb) == 0 && S_ISREG(stb.st_mode)) {
01423         if ((stb.st_mode & 06000) != 0) {
01424             (void) chmod(path, stb.st_mode & 0777);
01425         }
01426     }
01427 }
01428 
01429 #define IS_DEV_LOG(_x)  \
01430         ((_x) != NULL && strlen(_x) >= (sizeof("/dev/log")-1) && \
01431         !strncmp((_x), "/dev/log", sizeof("/dev/log")-1) && \
01432         ((_x)[sizeof("/dev/log")-1] == '\0' || \
01433          (_x)[sizeof("/dev/log")-1] == ';'))
01434 
01435 /*@-boundsread@*/
01436 /*@-compmempass@*/
01437 int fsmStage(FSM_t fsm, fileStage stage)
01438 {
01439 #ifdef  UNUSED
01440     fileStage prevStage = fsm->stage;
01441     const char * const prev = fileStageString(prevStage);
01442 #endif
01443     static int modulo = 4;
01444     const char * const cur = fileStageString(stage);
01445     struct stat * st = &fsm->sb;
01446     struct stat * ost = &fsm->osb;
01447     int saveerrno = errno;
01448     int rc = fsm->rc;
01449     size_t left;
01450     int i;
01451 
01452 #define _fafilter(_a)   \
01453     (!((_a) == FA_CREATE || (_a) == FA_ERASE || (_a) == FA_COPYIN || (_a) == FA_COPYOUT) \
01454         ? fileActionString(_a) : "")
01455 
01456     if (stage & FSM_DEAD) {
01457         /* do nothing */
01458     } else if (stage & FSM_INTERNAL) {
01459         if (_fsm_debug && !(stage & FSM_SYSCALL))
01460             rpmMessage(RPMMESS_DEBUG, " %8s %06o%3d (%4d,%4d)%10d %s %s\n",
01461                 cur,
01462                 (unsigned)st->st_mode, (int)st->st_nlink,
01463                 (int)st->st_uid, (int)st->st_gid, (int)st->st_size,
01464                 (fsm->path ? fsm->path : ""),
01465                 _fafilter(fsm->action));
01466     } else {
01467         fsm->stage = stage;
01468         if (_fsm_debug || !(stage & FSM_VERBOSE))
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 + fsm->astriplen : ""),
01474                 _fafilter(fsm->action));
01475     }
01476 #undef  _fafilter
01477 
01478     /*@-branchstate@*/
01479     switch (stage) {
01480     case FSM_UNKNOWN:
01481         break;
01482     case FSM_PKGINSTALL:
01483         while (1) {
01484             /* Clean fsm, free'ing memory. Read next archive header. */
01485             rc = fsmUNSAFE(fsm, FSM_INIT);
01486 
01487             /* Exit on end-of-payload. */
01488             if (rc == CPIOERR_HDR_TRAILER) {
01489                 rc = 0;
01490                 /*@loopbreak@*/ break;
01491             }
01492 
01493             /* Exit on error. */
01494             if (rc) {
01495                 fsm->postpone = 1;
01496                 (void) fsmNext(fsm, FSM_UNDO);
01497                 /*@loopbreak@*/ break;
01498             }
01499 
01500             /* Extract file from archive. */
01501             rc = fsmNext(fsm, FSM_PROCESS);
01502             if (rc) {
01503                 (void) fsmNext(fsm, FSM_UNDO);
01504                 /*@loopbreak@*/ break;
01505             }
01506 
01507             /* Notify on success. */
01508             (void) fsmNext(fsm, FSM_NOTIFY);
01509 
01510             rc = fsmNext(fsm, FSM_FINI);
01511             if (rc) {
01512                 /*@loopbreak@*/ break;
01513             }
01514         }
01515         break;
01516     case FSM_PKGERASE:
01517     case FSM_PKGCOMMIT:
01518         while (1) {
01519             /* Clean fsm, free'ing memory. */
01520             rc = fsmUNSAFE(fsm, FSM_INIT);
01521 
01522             /* Exit on end-of-payload. */
01523             if (rc == CPIOERR_HDR_TRAILER) {
01524                 rc = 0;
01525                 /*@loopbreak@*/ break;
01526             }
01527 
01528             /* Rename/erase next item. */
01529             if (fsmNext(fsm, FSM_FINI))
01530                 /*@loopbreak@*/ break;
01531         }
01532         break;
01533     case FSM_PKGBUILD:
01534         while (1) {
01535 
01536             rc = fsmUNSAFE(fsm, FSM_INIT);
01537 
01538             /* Exit on end-of-payload. */
01539             if (rc == CPIOERR_HDR_TRAILER) {
01540                 rc = 0;
01541                 /*@loopbreak@*/ break;
01542             }
01543 
01544             /* Exit on error. */
01545             if (rc) {
01546                 fsm->postpone = 1;
01547                 (void) fsmNext(fsm, FSM_UNDO);
01548                 /*@loopbreak@*/ break;
01549             }
01550 
01551             /* Copy file into archive. */
01552             rc = fsmNext(fsm, FSM_PROCESS);
01553             if (rc) {
01554                 (void) fsmNext(fsm, FSM_UNDO);
01555                 /*@loopbreak@*/ break;
01556             }
01557 
01558             /* Notify on success. */
01559             (void) fsmNext(fsm, FSM_NOTIFY);
01560 
01561             if (fsmNext(fsm, FSM_FINI))
01562                 /*@loopbreak@*/ break;
01563         }
01564 
01565         /* Flush partial sets of hard linked files. */
01566         if (!(fsm->mapFlags & CPIO_ALL_HARDLINKS)) {
01567             int nlink, j;
01568             while ((fsm->li = fsm->links) != NULL) {
01569                 fsm->links = fsm->li->next;
01570                 fsm->li->next = NULL;
01571 
01572                 /* Re-calculate link count for archive header. */
01573                 for (j = -1, nlink = 0, i = 0; i < fsm->li->nlink; i++) {
01574                     if (fsm->li->filex[i] < 0)
01575                         /*@innercontinue@*/ continue;
01576                     nlink++;
01577                     if (j == -1) j = i;
01578                 }
01579                 /* XXX force the contents out as well. */
01580 /*@-boundswrite@*/
01581                 if (j != 0) {
01582                     fsm->li->filex[0] = fsm->li->filex[j];
01583                     fsm->li->filex[j] = -1;
01584                 }
01585 /*@=boundswrite@*/
01586                 fsm->li->sb.st_nlink = nlink;
01587 
01588                 fsm->sb = fsm->li->sb;  /* structure assignment */
01589                 fsm->osb = fsm->sb;     /* structure assignment */
01590 
01591                 if (!rc) rc = writeLinkedFile(fsm);
01592 
01593                 fsm->li = freeHardLink(fsm->li);
01594             }
01595         }
01596 
01597         if (!rc)
01598             rc = fsmNext(fsm, FSM_TRAILER);
01599 
01600         break;
01601     case FSM_CREATE:
01602         {   rpmts ts = fsmGetTs(fsm);
01603 #define _tsmask (RPMTRANS_FLAG_PKGCOMMIT | RPMTRANS_FLAG_COMMIT)
01604             fsm->commit = ((ts && (rpmtsFlags(ts) & _tsmask) &&
01605                         fsm->goal != FSM_PKGCOMMIT) ? 0 : 1);
01606 #undef _tsmask
01607         }
01608         fsm->path = _free(fsm->path);
01609         fsm->opath = _free(fsm->opath);
01610         fsm->dnlx = _free(fsm->dnlx);
01611 
01612         fsm->ldn = _free(fsm->ldn);
01613         fsm->ldnalloc = fsm->ldnlen = 0;
01614 
01615         fsm->rdsize = fsm->wrsize = 0;
01616         fsm->rdbuf = fsm->rdb = _free(fsm->rdb);
01617         fsm->wrbuf = fsm->wrb = _free(fsm->wrb);
01618         if (fsm->goal == FSM_PKGINSTALL || fsm->goal == FSM_PKGBUILD) {
01619             fsm->rdsize = 8 * BUFSIZ;
01620             fsm->rdbuf = fsm->rdb = xmalloc(fsm->rdsize);
01621             fsm->wrsize = 8 * BUFSIZ;
01622             fsm->wrbuf = fsm->wrb = xmalloc(fsm->wrsize);
01623         }
01624 
01625         fsm->mkdirsdone = 0;
01626         fsm->ix = -1;
01627         fsm->links = NULL;
01628         fsm->li = NULL;
01629         errno = 0;      /* XXX get rid of EBADF */
01630 
01631         /* Detect and create directories not explicitly in package. */
01632         if (fsm->goal == FSM_PKGINSTALL) {
01633 /*@-compdef@*/
01634             rc = fsmNext(fsm, FSM_MKDIRS);
01635 /*@=compdef@*/
01636             if (!rc) fsm->mkdirsdone = 1;
01637         }
01638 
01639         break;
01640     case FSM_INIT:
01641         fsm->path = _free(fsm->path);
01642         fsm->postpone = 0;
01643         fsm->diskchecked = fsm->exists = 0;
01644         fsm->subdir = NULL;
01645         fsm->suffix = (fsm->sufbuf[0] != '\0' ? fsm->sufbuf : NULL);
01646         fsm->action = FA_UNKNOWN;
01647         fsm->osuffix = NULL;
01648         fsm->nsuffix = NULL;
01649 
01650         if (fsm->goal == FSM_PKGINSTALL) {
01651             /* Read next header from payload, checking for end-of-payload. */
01652             rc = fsmUNSAFE(fsm, FSM_NEXT);
01653         }
01654         if (rc) break;
01655 
01656         /* Identify mapping index. */
01657         fsm->ix = ((fsm->goal == FSM_PKGINSTALL)
01658                 ? mapFind(fsm->iter, fsm->path) : mapNextIterator(fsm->iter));
01659 
01660         /* Detect end-of-loop and/or mapping error. */
01661         if (fsm->ix < 0) {
01662             if (fsm->goal == FSM_PKGINSTALL) {
01663 #if 0
01664                 rpmMessage(RPMMESS_WARNING,
01665                     _("archive file %s was not found in header file list\n"),
01666                         fsm->path);
01667 #endif
01668 /*@-boundswrite@*/
01669                 if (fsm->failedFile && *fsm->failedFile == NULL)
01670                     *fsm->failedFile = xstrdup(fsm->path);
01671 /*@=boundswrite@*/
01672                 rc = CPIOERR_UNMAPPED_FILE;
01673             } else {
01674                 rc = CPIOERR_HDR_TRAILER;
01675             }
01676             break;
01677         }
01678 
01679         /* On non-install, mode must be known so that dirs don't get suffix. */
01680         if (fsm->goal != FSM_PKGINSTALL) {
01681             rpmfi fi = fsmGetFi(fsm);
01682             st->st_mode = fi->fmodes[fsm->ix];
01683         }
01684 
01685         /* Generate file path. */
01686         rc = fsmNext(fsm, FSM_MAP);
01687         if (rc) break;
01688 
01689         /* Perform lstat/stat for disk file. */
01690 #ifdef  NOTYET
01691         rc = fsmStat(fsm);
01692 #else
01693         if (fsm->path != NULL &&
01694             !(fsm->goal == FSM_PKGINSTALL && S_ISREG(st->st_mode)))
01695         {
01696             rc = fsmUNSAFE(fsm, (!(fsm->mapFlags & CPIO_FOLLOW_SYMLINKS)
01697                         ? FSM_LSTAT : FSM_STAT));
01698             if (rc == CPIOERR_ENOENT) {
01699                 errno = saveerrno;
01700                 rc = 0;
01701                 fsm->exists = 0;
01702             } else if (rc == 0) {
01703                 fsm->exists = 1;
01704             }
01705         } else {
01706             /* Skip %ghost files on build. */
01707             fsm->exists = 0;
01708         }
01709 #endif
01710         fsm->diskchecked = 1;
01711         if (rc) break;
01712 
01713         /* On non-install, the disk file stat is what's remapped. */
01714 /*@-boundswrite@*/
01715         if (fsm->goal != FSM_PKGINSTALL)
01716             *st = *ost;                 /* structure assignment */
01717 /*@=boundswrite@*/
01718 
01719         /* Remap file perms, owner, and group. */
01720         rc = fsmMapAttrs(fsm);
01721         if (rc) break;
01722 
01723         fsm->postpone = XFA_SKIPPING(fsm->action);
01724         if (fsm->goal == FSM_PKGINSTALL || fsm->goal == FSM_PKGBUILD) {
01725             /*@-evalorder@*/ /* FIX: saveHardLink can modify fsm */
01726             if (!S_ISDIR(st->st_mode) && st->st_nlink > 1)
01727                 fsm->postpone = saveHardLink(fsm);
01728             /*@=evalorder@*/
01729         }
01730         break;
01731     case FSM_PRE:
01732         break;
01733     case FSM_MAP:
01734         rc = fsmMapPath(fsm);
01735         break;
01736     case FSM_MKDIRS:
01737         rc = fsmMkdirs(fsm);
01738         break;
01739     case FSM_RMDIRS:
01740         if (fsm->dnlx)
01741             rc = fsmRmdirs(fsm);
01742         break;
01743     case FSM_PROCESS:
01744         if (fsm->postpone) {
01745             if (fsm->goal == FSM_PKGINSTALL)
01746                 rc = fsmNext(fsm, FSM_EAT);
01747             break;
01748         }
01749 
01750         if (fsm->goal == FSM_PKGBUILD) {
01751             if (fsm->fflags & RPMFILE_GHOST) /* XXX Don't if %ghost file. */
01752                 break;
01753             if (!S_ISDIR(st->st_mode) && st->st_nlink > 1) {
01754                 struct hardLink_s * li, * prev;
01755 
01756 if (!(fsm->mapFlags & CPIO_ALL_HARDLINKS)) break;
01757                 rc = writeLinkedFile(fsm);
01758                 if (rc) break;  /* W2DO? */
01759 
01760                 for (li = fsm->links, prev = NULL; li; prev = li, li = li->next)
01761                      if (li == fsm->li)
01762                         /*@loopbreak@*/ break;
01763 
01764                 if (prev == NULL)
01765                     fsm->links = fsm->li->next;
01766                 else
01767                     prev->next = fsm->li->next;
01768                 fsm->li->next = NULL;
01769                 fsm->li = freeHardLink(fsm->li);
01770             } else {
01771                 rc = writeFile(fsm, 1);
01772             }
01773             break;
01774         }
01775 
01776         if (fsm->goal != FSM_PKGINSTALL)
01777             break;
01778 
01779         if (S_ISREG(st->st_mode)) {
01780             const char * path = fsm->path;
01781             if (fsm->osuffix)
01782                 fsm->path = fsmFsPath(fsm, st, NULL, NULL);
01783             rc = fsmUNSAFE(fsm, FSM_VERIFY);
01784 
01785             if (rc == 0 && fsm->osuffix) {
01786                 const char * opath = fsm->opath;
01787                 fsm->opath = fsm->path;
01788                 fsm->path = fsmFsPath(fsm, st, NULL, fsm->osuffix);
01789                 rc = fsmNext(fsm, FSM_RENAME);
01790                 if (!rc)
01791                     rpmMessage(RPMMESS_WARNING,
01792                         _("%s saved as %s\n"),
01793                                 (fsm->opath ? fsm->opath : ""),
01794                                 (fsm->path ? fsm->path : ""));
01795                 fsm->path = _free(fsm->path);
01796                 fsm->opath = opath;
01797             }
01798 
01799             /*@-dependenttrans@*/
01800             fsm->path = path;
01801             /*@=dependenttrans@*/
01802             if (!(rc == CPIOERR_ENOENT)) return rc;
01803             rc = expandRegular(fsm);
01804         } else if (S_ISDIR(st->st_mode)) {
01805             mode_t st_mode = st->st_mode;
01806             rc = fsmUNSAFE(fsm, FSM_VERIFY);
01807             if (rc == CPIOERR_ENOENT) {
01808                 st->st_mode &= ~07777;          /* XXX abuse st->st_mode */
01809                 st->st_mode |=  00700;
01810                 rc = fsmNext(fsm, FSM_MKDIR);
01811                 st->st_mode = st_mode;          /* XXX restore st->st_mode */
01812             }
01813         } else if (S_ISLNK(st->st_mode)) {
01814             const char * opath = fsm->opath;
01815 
01816             if ((st->st_size + 1) > fsm->rdsize) {
01817                 rc = CPIOERR_HDR_SIZE;
01818                 break;
01819             }
01820 
01821             fsm->wrlen = st->st_size;
01822             rc = fsmNext(fsm, FSM_DREAD);
01823             if (!rc && fsm->rdnb != fsm->wrlen)
01824                 rc = CPIOERR_READ_FAILED;
01825             if (rc) break;
01826 
01827 /*@-boundswrite@*/
01828             fsm->wrbuf[st->st_size] = '\0';
01829 /*@=boundswrite@*/
01830             /* XXX symlink(fsm->opath, fsm->path) */
01831             /*@-dependenttrans@*/
01832             fsm->opath = fsm->wrbuf;
01833             /*@=dependenttrans@*/
01834             rc = fsmUNSAFE(fsm, FSM_VERIFY);
01835             if (rc == CPIOERR_ENOENT)
01836                 rc = fsmNext(fsm, FSM_SYMLINK);
01837             fsm->opath = opath;         /* XXX restore fsm->path */
01838         } else if (S_ISFIFO(st->st_mode)) {
01839             mode_t st_mode = st->st_mode;
01840             /* This mimics cpio S_ISSOCK() behavior but probably isnt' right */
01841             rc = fsmUNSAFE(fsm, FSM_VERIFY);
01842             if (rc == CPIOERR_ENOENT) {
01843                 st->st_mode = 0000;             /* XXX abuse st->st_mode */
01844                 rc = fsmNext(fsm, FSM_MKFIFO);
01845                 st->st_mode = st_mode;  /* XXX restore st->st_mode */
01846             }
01847         } else if (S_ISCHR(st->st_mode) ||
01848                    S_ISBLK(st->st_mode) ||
01849     /*@-unrecog@*/ S_ISSOCK(st->st_mode) /*@=unrecog@*/)
01850         {
01851             rc = fsmUNSAFE(fsm, FSM_VERIFY);
01852             if (rc == CPIOERR_ENOENT)
01853                 rc = fsmNext(fsm, FSM_MKNOD);
01854         } else {
01855             /* XXX Special case /dev/log, which shouldn't be packaged anyways */
01856             if (!IS_DEV_LOG(fsm->path))
01857                 rc = CPIOERR_UNKNOWN_FILETYPE;
01858         }
01859         if (!S_ISDIR(st->st_mode) && st->st_nlink > 1) {
01860             fsm->li->createdPath = fsm->li->linkIndex;
01861             rc = fsmMakeLinks(fsm);
01862         }
01863         break;
01864     case FSM_POST:
01865         break;
01866     case FSM_MKLINKS:
01867         rc = fsmMakeLinks(fsm);
01868         break;
01869     case FSM_NOTIFY:            /* XXX move from fsm to psm -> tsm */
01870         if (fsm->goal == FSM_PKGINSTALL || fsm->goal == FSM_PKGBUILD) {
01871             rpmts ts = fsmGetTs(fsm);
01872             rpmfi fi = fsmGetFi(fsm);
01873             void * ptr;
01874             unsigned int archivePos = fdGetCpioPos(fsm->cfd);
01875             if (archivePos > fi->archivePos) {
01876                 fi->archivePos = archivePos;
01877                 ptr = rpmtsNotify(ts, fi->te, RPMCALLBACK_INST_PROGRESS,
01878                         fi->archivePos, fi->archiveSize);
01879             }
01880         }
01881         break;
01882     case FSM_UNDO:
01883         if (fsm->postpone)
01884             break;
01885         if (fsm->goal == FSM_PKGINSTALL) {
01886             (void) fsmNext(fsm,
01887                 (S_ISDIR(st->st_mode) ? FSM_RMDIR : FSM_UNLINK));
01888 
01889 #ifdef  NOTYET  /* XXX remove only dirs just created, not all. */
01890             if (fsm->dnlx)
01891                 (void) fsmNext(fsm, FSM_RMDIRS);
01892 #endif
01893             errno = saveerrno;
01894         }
01895 /*@-boundswrite@*/
01896         if (fsm->failedFile && *fsm->failedFile == NULL)
01897             *fsm->failedFile = xstrdup(fsm->path);
01898 /*@=boundswrite@*/
01899         break;
01900     case FSM_FINI:
01901         if (!fsm->postpone && fsm->commit) {
01902             if (fsm->goal == FSM_PKGINSTALL)
01903                 rc = ((!S_ISDIR(st->st_mode) && st->st_nlink > 1)
01904                         ? fsmCommitLinks(fsm) : fsmNext(fsm, FSM_COMMIT));
01905             if (fsm->goal == FSM_PKGCOMMIT)
01906                 rc = fsmNext(fsm, FSM_COMMIT);
01907             if (fsm->goal == FSM_PKGERASE)
01908                 rc = fsmNext(fsm, FSM_COMMIT);
01909         }
01910         fsm->path = _free(fsm->path);
01911         fsm->opath = _free(fsm->opath);
01912 /*@-boundswrite@*/
01913         memset(st, 0, sizeof(*st));
01914         memset(ost, 0, sizeof(*ost));
01915 /*@=boundswrite@*/
01916         break;
01917     case FSM_COMMIT:
01918         /* Rename pre-existing modified or unmanaged file. */
01919         if (fsm->osuffix && fsm->diskchecked &&
01920           (fsm->exists || (fsm->goal == FSM_PKGINSTALL && S_ISREG(st->st_mode))))
01921         {
01922             const char * opath = fsm->opath;
01923             const char * path = fsm->path;
01924             fsm->opath = fsmFsPath(fsm, st, NULL, NULL);
01925             fsm->path = fsmFsPath(fsm, st, NULL, fsm->osuffix);
01926             rc = fsmNext(fsm, FSM_RENAME);
01927             if (!rc) {
01928                 rpmMessage(RPMMESS_WARNING, _("%s saved as %s\n"),
01929                                 (fsm->opath ? fsm->opath : ""),
01930                                 (fsm->path ? fsm->path : ""));
01931             }
01932             fsm->path = _free(fsm->path);
01933             fsm->path = path;
01934             fsm->opath = _free(fsm->opath);
01935             fsm->opath = opath;
01936         }
01937 
01938         /* Remove erased files. */
01939         if (fsm->goal == FSM_PKGERASE) {
01940             if (fsm->action == FA_ERASE) {
01941                 rpmfi fi = fsmGetFi(fsm);
01942                 if (S_ISDIR(st->st_mode)) {
01943                     rc = fsmNext(fsm, FSM_RMDIR);
01944                     if (!rc) break;
01945                     switch (rc) {
01946                     case CPIOERR_ENOENT: /* XXX rmdir("/") linux 2.2.x kernel hack */
01947                     case CPIOERR_ENOTEMPTY:
01948         /* XXX make sure that build side permits %missingok on directories. */
01949                         if (fsm->fflags & RPMFILE_MISSINGOK)
01950                             /*@innerbreak@*/ break;
01951 
01952                         /* XXX common error message. */
01953                         rpmError(
01954                             (strict_erasures ? RPMERR_RMDIR : RPMDEBUG_RMDIR),
01955                             _("%s rmdir of %s failed: Directory not empty\n"), 
01956                                 rpmfiTypeString(fi), fsm->path);
01957                         /*@innerbreak@*/ break;
01958                     default:
01959                         rpmError(
01960                             (strict_erasures ? RPMERR_RMDIR : RPMDEBUG_RMDIR),
01961                                 _("%s rmdir of %s failed: %s\n"),
01962                                 rpmfiTypeString(fi), fsm->path, strerror(errno));
01963                         /*@innerbreak@*/ break;
01964                     }
01965                 } else {
01966                     rc = fsmNext(fsm, FSM_UNLINK);
01967                     if (!rc) break;
01968                     switch (rc) {
01969                     case CPIOERR_ENOENT:
01970                         if (fsm->fflags & RPMFILE_MISSINGOK)
01971                             /*@innerbreak@*/ break;
01972                         /*@fallthrough@*/
01973                     default:
01974                         rpmError(
01975                             (strict_erasures ? RPMERR_UNLINK : RPMDEBUG_UNLINK),
01976                                 _("%s unlink of %s failed: %s\n"),
01977                                 rpmfiTypeString(fi), fsm->path, strerror(errno));
01978                         /*@innerbreak@*/ break;
01979                     }
01980                 }
01981             }
01982             /* XXX Failure to remove is not (yet) cause for failure. */
01983             if (!strict_erasures) rc = 0;
01984             break;
01985         }
01986 
01987         /* XXX Special case /dev/log, which shouldn't be packaged anyways */
01988         if (!S_ISSOCK(st->st_mode) && !IS_DEV_LOG(fsm->path)) {
01989             /* Rename temporary to final file name. */
01990             if (!S_ISDIR(st->st_mode) &&
01991                 (fsm->subdir || fsm->suffix || fsm->nsuffix))
01992             {
01993                 fsm->opath = fsm->path;
01994                 fsm->path = fsmFsPath(fsm, st, NULL, fsm->nsuffix);
01995                 rc = fsmNext(fsm, FSM_RENAME);
01996                 if (!rc && fsm->nsuffix) {
01997                     const char * opath = fsmFsPath(fsm, st, NULL, NULL);
01998                     rpmMessage(RPMMESS_WARNING, _("%s created as %s\n"),
01999                                 (opath ? opath : ""),
02000                                 (fsm->path ? fsm->path : ""));
02001                     opath = _free(opath);
02002                 }
02003                 fsm->opath = _free(fsm->opath);
02004             }
02005             /*
02006              * Set file security context (if not disabled).
02007              */
02008             if (!rc && !getuid()) {
02009                 rc = fsmMapFContext(fsm);
02010                 if (!rc)
02011                     rc = fsmNext(fsm, FSM_LSETFCON);
02012                 fsm->fcontext = NULL;
02013             }
02014             if (S_ISLNK(st->st_mode)) {
02015                 if (!rc && !getuid())
02016                     rc = fsmNext(fsm, FSM_LCHOWN);
02017             } else {
02018                 if (!rc && !getuid())
02019                     rc = fsmNext(fsm, FSM_CHOWN);
02020                 if (!rc)
02021                     rc = fsmNext(fsm, FSM_CHMOD);
02022                 if (!rc) {
02023                     time_t mtime = st->st_mtime;
02024                     rpmfi fi = fsmGetFi(fsm);
02025                     if (fi->fmtimes)
02026                         st->st_mtime = fi->fmtimes[fsm->ix];
02027                     rc = fsmNext(fsm, FSM_UTIME);
02028                     st->st_mtime = mtime;
02029                 }
02030             }
02031         }
02032 
02033         /* Notify on success. */
02034         if (!rc)                rc = fsmNext(fsm, FSM_NOTIFY);
02035         else if (fsm->failedFile && *fsm->failedFile == NULL) {
02036 /*@-boundswrite@*/
02037             *fsm->failedFile = fsm->path;
02038 /*@=boundswrite@*/
02039             fsm->path = NULL;
02040         }
02041         break;
02042     case FSM_DESTROY:
02043         fsm->path = _free(fsm->path);
02044 
02045         /* Check for hard links missing from payload. */
02046         while ((fsm->li = fsm->links) != NULL) {
02047             fsm->links = fsm->li->next;
02048             fsm->li->next = NULL;
02049             if (fsm->goal == FSM_PKGINSTALL &&
02050                         fsm->commit && fsm->li->linksLeft)
02051             {
02052                 for (i = 0 ; i < fsm->li->linksLeft; i++) {
02053                     if (fsm->li->filex[i] < 0)
02054                         /*@innercontinue@*/ continue;
02055                     rc = CPIOERR_MISSING_HARDLINK;
02056                     if (fsm->failedFile && *fsm->failedFile == NULL) {
02057                         fsm->ix = fsm->li->filex[i];
02058                         if (!fsmNext(fsm, FSM_MAP)) {
02059 /*@-boundswrite@*/
02060                             *fsm->failedFile = fsm->path;
02061 /*@=boundswrite@*/
02062                             fsm->path = NULL;
02063                         }
02064                     }
02065                     /*@loopbreak@*/ break;
02066                 }
02067             }
02068             if (fsm->goal == FSM_PKGBUILD &&
02069                 (fsm->mapFlags & CPIO_ALL_HARDLINKS))
02070             {
02071                 rc = CPIOERR_MISSING_HARDLINK;
02072             }
02073             fsm->li = freeHardLink(fsm->li);
02074         }
02075         fsm->ldn = _free(fsm->ldn);
02076         fsm->ldnalloc = fsm->ldnlen = 0;
02077         fsm->rdbuf = fsm->rdb = _free(fsm->rdb);
02078         fsm->wrbuf = fsm->wrb = _free(fsm->wrb);
02079         break;
02080     case FSM_VERIFY:
02081         if (fsm->diskchecked && !fsm->exists) {
02082             rc = CPIOERR_ENOENT;
02083             break;
02084         }
02085         if (S_ISREG(st->st_mode)) {
02086             char * path = alloca(strlen(fsm->path) + sizeof("-RPMDELETE"));
02087 /*@-boundswrite@*/
02088             (void) stpcpy( stpcpy(path, fsm->path), "-RPMDELETE");
02089 /*@=boundswrite@*/
02090             /*
02091              * XXX HP-UX (and other os'es) don't permit unlink on busy
02092              * XXX files.
02093              */
02094             fsm->opath = fsm->path;
02095             fsm->path = path;
02096             rc = fsmNext(fsm, FSM_RENAME);
02097             if (!rc)
02098                     (void) fsmNext(fsm, FSM_UNLINK);
02099             else
02100                     rc = CPIOERR_UNLINK_FAILED;
02101             fsm->path = fsm->opath;
02102             fsm->opath = NULL;
02103             return (rc ? rc : CPIOERR_ENOENT);  /* XXX HACK */
02104             /*@notreached@*/ break;
02105         } else if (S_ISDIR(st->st_mode)) {
02106             if (S_ISDIR(ost->st_mode))          return 0;
02107             if (S_ISLNK(ost->st_mode)) {
02108                 rc = fsmUNSAFE(fsm, FSM_STAT);
02109                 if (rc == CPIOERR_ENOENT) rc = 0;
02110                 if (rc) break;
02111                 errno = saveerrno;
02112                 if (S_ISDIR(ost->st_mode))      return 0;
02113             }
02114         } else if (S_ISLNK(st->st_mode)) {
02115             if (S_ISLNK(ost->st_mode)) {
02116         /* XXX NUL terminated result in fsm->rdbuf, len in fsm->rdnb. */
02117                 rc = fsmUNSAFE(fsm, FSM_READLINK);
02118                 errno = saveerrno;
02119                 if (rc) break;
02120                 if (!strcmp(fsm->opath, fsm->rdbuf))    return 0;
02121             }
02122         } else if (S_ISFIFO(st->st_mode)) {
02123             if (S_ISFIFO(ost->st_mode))         return 0;
02124         } else if (S_ISCHR(st->st_mode) || S_ISBLK(st->st_mode)) {
02125             if ((S_ISCHR(ost->st_mode) || S_ISBLK(ost->st_mode)) &&
02126                 (ost->st_rdev == st->st_rdev))  return 0;
02127         } else if (S_ISSOCK(st->st_mode)) {
02128             if (S_ISSOCK(ost->st_mode))         return 0;
02129         }
02130             /* XXX shouldn't do this with commit/undo. */
02131         rc = 0;
02132         if (fsm->stage == FSM_PROCESS) rc = fsmNext(fsm, FSM_UNLINK);
02133         if (rc == 0)    rc = CPIOERR_ENOENT;
02134         return (rc ? rc : CPIOERR_ENOENT);      /* XXX HACK */
02135         /*@notreached@*/ break;
02136 
02137     case FSM_UNLINK:
02138         removeSBITS(fsm->path);
02139         rc = Unlink(fsm->path);
02140         if (_fsm_debug && (stage & FSM_SYSCALL))
02141             rpmMessage(RPMMESS_DEBUG, " %8s (%s) %s\n", cur,
02142                 fsm->path, (rc < 0 ? strerror(errno) : ""));
02143         if (rc < 0)
02144             rc = (errno == ENOENT ? CPIOERR_ENOENT : CPIOERR_UNLINK_FAILED);
02145         break;
02146     case FSM_RENAME:
02147         removeSBITS(fsm->path);
02148         rc = Rename(fsm->opath, fsm->path);
02149 #if defined(ETXTBSY)
02150         if (rc && errno == ETXTBSY) {
02151             char * path = alloca(strlen(fsm->path) + sizeof("-RPMDELETE"));
02152             (void) stpcpy( stpcpy(path, fsm->path), "-RPMDELETE");
02153             /*
02154              * XXX HP-UX (and other os'es) don't permit rename to busy
02155              * XXX files.
02156              */
02157             rc = Rename(fsm->path, path);
02158             if (!rc) rc = Rename(fsm->opath, fsm->path);
02159         }
02160 #endif
02161         if (_fsm_debug && (stage & FSM_SYSCALL))
02162             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %s) %s\n", cur,
02163                 fsm->opath, fsm->path, (rc < 0 ? strerror(errno) : ""));
02164         if (rc < 0)     rc = CPIOERR_RENAME_FAILED;
02165         break;
02166     case FSM_MKDIR:
02167         rc = Mkdir(fsm->path, (st->st_mode & 07777));
02168         if (_fsm_debug && (stage & FSM_SYSCALL))
02169             rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0%04o) %s\n", cur,
02170                 fsm->path, (unsigned)(st->st_mode & 07777),
02171                 (rc < 0 ? strerror(errno) : ""));
02172         if (rc < 0)     rc = CPIOERR_MKDIR_FAILED;
02173         break;
02174     case FSM_RMDIR:
02175         rc = Rmdir(fsm->path);
02176         if (_fsm_debug && (stage & FSM_SYSCALL))
02177             rpmMessage(RPMMESS_DEBUG, " %8s (%s) %s\n", cur,
02178                 fsm->path, (rc < 0 ? strerror(errno) : ""));
02179         if (rc < 0)
02180             switch (errno) {
02181             case ENOENT:        rc = CPIOERR_ENOENT;    /*@switchbreak@*/ break;
02182             case ENOTEMPTY:     rc = CPIOERR_ENOTEMPTY; /*@switchbreak@*/ break;
02183             default:            rc = CPIOERR_RMDIR_FAILED; /*@switchbreak@*/ break;
02184             }
02185         break;
02186     case FSM_LSETFCON:
02187         if (fsm->fcontext == NULL || *fsm->fcontext == '\0'
02188          || !strcmp(fsm->fcontext, "<<none>>"))
02189             break;
02190         rc = lsetfilecon(fsm->path, (security_context_t)fsm->fcontext);
02191         if (_fsm_debug && (stage & FSM_SYSCALL))
02192             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %s) %s\n", cur,
02193                 fsm->path, fsm->fcontext,
02194                 (rc < 0 ? strerror(errno) : ""));
02195         if (rc < 0) rc = (errno == ENOTSUP ? 0 : CPIOERR_LSETFCON_FAILED);
02196         break;
02197     case FSM_CHOWN:
02198         rc = chown(fsm->path, st->st_uid, st->st_gid);
02199         if (_fsm_debug && (stage & FSM_SYSCALL))
02200             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %d, %d) %s\n", cur,
02201                 fsm->path, (int)st->st_uid, (int)st->st_gid,
02202                 (rc < 0 ? strerror(errno) : ""));
02203         if (rc < 0)     rc = CPIOERR_CHOWN_FAILED;
02204         break;
02205     case FSM_LCHOWN:
02206 #if ! CHOWN_FOLLOWS_SYMLINK
02207         rc = lchown(fsm->path, st->st_uid, st->st_gid);
02208         if (_fsm_debug && (stage & FSM_SYSCALL))
02209             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %d, %d) %s\n", cur,
02210                 fsm->path, (int)st->st_uid, (int)st->st_gid,
02211                 (rc < 0 ? strerror(errno) : ""));
02212         if (rc < 0)     rc = CPIOERR_CHOWN_FAILED;
02213 #endif
02214         break;
02215     case FSM_CHMOD:
02216         rc = chmod(fsm->path, (st->st_mode & 07777));
02217         if (_fsm_debug && (stage & FSM_SYSCALL))
02218             rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0%04o) %s\n", cur,
02219                 fsm->path, (unsigned)(st->st_mode & 07777),
02220                 (rc < 0 ? strerror(errno) : ""));
02221         if (rc < 0)     rc = CPIOERR_CHMOD_FAILED;
02222         break;
02223     case FSM_UTIME:
02224         {   struct utimbuf stamp;
02225             stamp.actime = st->st_mtime;
02226             stamp.modtime = st->st_mtime;
02227             rc = utime(fsm->path, &stamp);
02228             if (_fsm_debug && (stage & FSM_SYSCALL))
02229                 rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0x%x) %s\n", cur,
02230                         fsm->path, (unsigned)st->st_mtime,
02231                         (rc < 0 ? strerror(errno) : ""));
02232             if (rc < 0) rc = CPIOERR_UTIME_FAILED;
02233         }
02234         break;
02235     case FSM_SYMLINK:
02236         rc = symlink(fsm->opath, fsm->path);
02237         if (_fsm_debug && (stage & FSM_SYSCALL))
02238             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %s) %s\n", cur,
02239                 fsm->opath, fsm->path, (rc < 0 ? strerror(errno) : ""));
02240         if (rc < 0)     rc = CPIOERR_SYMLINK_FAILED;
02241         break;
02242     case FSM_LINK:
02243         rc = Link(fsm->opath, fsm->path);
02244         if (_fsm_debug && (stage & FSM_SYSCALL))
02245             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %s) %s\n", cur,
02246                 fsm->opath, fsm->path, (rc < 0 ? strerror(errno) : ""));
02247         if (rc < 0)     rc = CPIOERR_LINK_FAILED;
02248         break;
02249     case FSM_MKFIFO:
02250         rc = mkfifo(fsm->path, (st->st_mode & 07777));
02251         if (_fsm_debug && (stage & FSM_SYSCALL))
02252             rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0%04o) %s\n", cur,
02253                 fsm->path, (unsigned)(st->st_mode & 07777),
02254                 (rc < 0 ? strerror(errno) : ""));
02255         if (rc < 0)     rc = CPIOERR_MKFIFO_FAILED;
02256         break;
02257     case FSM_MKNOD:
02258         /*@-unrecog -portability @*/ /* FIX: check S_IFIFO or dev != 0 */
02259         rc = mknod(fsm->path, (st->st_mode & ~07777), st->st_rdev);
02260         /*@=unrecog =portability @*/
02261         if (_fsm_debug && (stage & FSM_SYSCALL))
02262             rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0%o, 0x%x) %s\n", cur,
02263                 fsm->path, (unsigned)(st->st_mode & ~07777),
02264                 (unsigned)st->st_rdev,
02265                 (rc < 0 ? strerror(errno) : ""));
02266         if (rc < 0)     rc = CPIOERR_MKNOD_FAILED;
02267         break;
02268     case FSM_LSTAT:
02269         rc = Lstat(fsm->path, ost);
02270         if (_fsm_debug && (stage & FSM_SYSCALL) && rc && errno != ENOENT)
02271             rpmMessage(RPMMESS_DEBUG, " %8s (%s, ost) %s\n", cur,
02272                 fsm->path, (rc < 0 ? strerror(errno) : ""));
02273         if (rc < 0) {
02274             rc = (errno == ENOENT ? CPIOERR_ENOENT : CPIOERR_LSTAT_FAILED);
02275             memset(ost, 0, sizeof(*ost));
02276         }
02277         break;
02278     case FSM_STAT:
02279         rc = Stat(fsm->path, ost);
02280         if (_fsm_debug && (stage & FSM_SYSCALL) && rc && errno != ENOENT)
02281             rpmMessage(RPMMESS_DEBUG, " %8s (%s, ost) %s\n", cur,
02282                 fsm->path, (rc < 0 ? strerror(errno) : ""));
02283         if (rc < 0) {
02284             rc = (errno == ENOENT ? CPIOERR_ENOENT : CPIOERR_STAT_FAILED);
02285             memset(ost, 0, sizeof(*ost));
02286         }
02287         break;
02288     case FSM_READLINK:
02289         /* XXX NUL terminated result in fsm->rdbuf, len in fsm->rdnb. */
02290 /*@-boundswrite@*/
02291         rc = Readlink(fsm->path, fsm->rdbuf, fsm->rdsize - 1);
02292 /*@=boundswrite@*/
02293         if (_fsm_debug && (stage & FSM_SYSCALL))
02294             rpmMessage(RPMMESS_DEBUG, " %8s (%s, rdbuf, %d) %s\n", cur,
02295                 fsm->path, (int)(fsm->rdsize -1), (rc < 0 ? strerror(errno) : ""));
02296         if (rc < 0)     rc = CPIOERR_READLINK_FAILED;
02297         else {
02298             fsm->rdnb = rc;
02299 /*@-boundswrite@*/
02300             fsm->rdbuf[fsm->rdnb] = '\0';
02301 /*@=boundswrite@*/
02302             rc = 0;
02303         }
02304         break;
02305     case FSM_CHROOT:
02306         break;
02307 
02308     case FSM_NEXT:
02309         rc = fsmUNSAFE(fsm, FSM_HREAD);
02310         if (rc) break;
02311         if (!strcmp(fsm->path, CPIO_TRAILER)) { /* Detect end-of-payload. */
02312             fsm->path = _free(fsm->path);
02313             rc = CPIOERR_HDR_TRAILER;
02314         }
02315         if (!rc)
02316             rc = fsmNext(fsm, FSM_POS);
02317         break;
02318     case FSM_EAT:
02319         for (left = st->st_size; left > 0; left -= fsm->rdnb) {
02320             fsm->wrlen = (left > fsm->wrsize ? fsm->wrsize : left);
02321             rc = fsmNext(fsm, FSM_DREAD);
02322             if (rc)
02323                 /*@loopbreak@*/ break;
02324         }
02325         break;
02326     case FSM_POS:
02327         left = (modulo - (fdGetCpioPos(fsm->cfd) % modulo)) % modulo;
02328         if (left) {
02329             fsm->wrlen = left;
02330             (void) fsmNext(fsm, FSM_DREAD);
02331         }
02332         break;
02333     case FSM_PAD:
02334         left = (modulo - (fdGetCpioPos(fsm->cfd) % modulo)) % modulo;
02335         if (left) {
02336 /*@-boundswrite@*/
02337             memset(fsm->rdbuf, 0, left);
02338 /*@=boundswrite@*/
02339             /* XXX DWRITE uses rdnb for I/O length. */
02340             fsm->rdnb = left;
02341             (void) fsmNext(fsm, FSM_DWRITE);
02342         }
02343         break;
02344     case FSM_TRAILER:
02345         rc = cpioTrailerWrite(fsm);
02346         break;
02347     case FSM_HREAD:
02348         rc = fsmNext(fsm, FSM_POS);
02349         if (!rc)
02350             rc = cpioHeaderRead(fsm, st);       /* Read next payload header. */
02351         break;
02352     case FSM_HWRITE:
02353         rc = cpioHeaderWrite(fsm, st);          /* Write next payload header. */
02354         break;
02355     case FSM_DREAD:
02356 /*@-boundswrite@*/
02357         fsm->rdnb = Fread(fsm->wrbuf, sizeof(*fsm->wrbuf), fsm->wrlen, fsm->cfd);
02358 /*@=boundswrite@*/
02359         if (_fsm_debug && (stage & FSM_SYSCALL))
02360             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %d, cfd)\trdnb %d\n",
02361                 cur, (fsm->wrbuf == fsm->wrb ? "wrbuf" : "mmap"),
02362                 (int)fsm->wrlen, (int)fsm->rdnb);
02363         if (fsm->rdnb != fsm->wrlen || Ferror(fsm->cfd))
02364             rc = CPIOERR_READ_FAILED;
02365         if (fsm->rdnb > 0)
02366             fdSetCpioPos(fsm->cfd, fdGetCpioPos(fsm->cfd) + fsm->rdnb);
02367         break;
02368     case FSM_DWRITE:
02369         fsm->wrnb = Fwrite(fsm->rdbuf, sizeof(*fsm->rdbuf), fsm->rdnb, fsm->cfd);
02370         if (_fsm_debug && (stage & FSM_SYSCALL))
02371             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %d, cfd)\twrnb %d\n",
02372                 cur, (fsm->rdbuf == fsm->rdb ? "rdbuf" : "mmap"),
02373                 (int)fsm->rdnb, (int)fsm->wrnb);
02374         if (fsm->rdnb != fsm->wrnb || Ferror(fsm->cfd))
02375             rc = CPIOERR_WRITE_FAILED;
02376         if (fsm->wrnb > 0)
02377             fdSetCpioPos(fsm->cfd, fdGetCpioPos(fsm->cfd) + fsm->wrnb);
02378         break;
02379 
02380     case FSM_ROPEN:
02381         fsm->rfd = Fopen(fsm->path, "r.ufdio");
02382         if (fsm->rfd == NULL || Ferror(fsm->rfd)) {
02383             if (fsm->rfd != NULL)       (void) fsmNext(fsm, FSM_RCLOSE);
02384             fsm->rfd = NULL;
02385             rc = CPIOERR_OPEN_FAILED;
02386             break;
02387         }
02388         if (_fsm_debug && (stage & FSM_SYSCALL))
02389             rpmMessage(RPMMESS_DEBUG, " %8s (%s, \"r\") rfd %p rdbuf %p\n", cur,
02390                 fsm->path, fsm->rfd, fsm->rdbuf);
02391         break;
02392     case FSM_READ:
02393 /*@-boundswrite@*/
02394         fsm->rdnb = Fread(fsm->rdbuf, sizeof(*fsm->rdbuf), fsm->rdlen, fsm->rfd);
02395 /*@=boundswrite@*/
02396         if (_fsm_debug && (stage & FSM_SYSCALL))
02397             rpmMessage(RPMMESS_DEBUG, " %8s (rdbuf, %d, rfd)\trdnb %d\n",
02398                 cur, (int)fsm->rdlen, (int)fsm->rdnb);
02399         if (fsm->rdnb != fsm->rdlen || Ferror(fsm->rfd))
02400             rc = CPIOERR_READ_FAILED;
02401         break;
02402     case FSM_RCLOSE:
02403         if (fsm->rfd != NULL) {
02404             if (_fsm_debug && (stage & FSM_SYSCALL))
02405                 rpmMessage(RPMMESS_DEBUG, " %8s (%p)\n", cur, fsm->rfd);
02406             (void) rpmswAdd(rpmtsOp(fsmGetTs(fsm), RPMTS_OP_DIGEST),
02407                         fdstat_op(fsm->rfd, FDSTAT_DIGEST));
02408             (void) Fclose(fsm->rfd);
02409             errno = saveerrno;
02410         }
02411         fsm->rfd = NULL;
02412         break;
02413     case FSM_WOPEN:
02414         fsm->wfd = Fopen(fsm->path, "w.ufdio");
02415         if (fsm->wfd == NULL || Ferror(fsm->wfd)) {
02416             if (fsm->wfd != NULL)       (void) fsmNext(fsm, FSM_WCLOSE);
02417             fsm->wfd = NULL;
02418             rc = CPIOERR_OPEN_FAILED;
02419         }
02420         if (_fsm_debug && (stage & FSM_SYSCALL))
02421             rpmMessage(RPMMESS_DEBUG, " %8s (%s, \"w\") wfd %p wrbuf %p\n", cur,
02422                 fsm->path, fsm->wfd, fsm->wrbuf);
02423         break;
02424     case FSM_WRITE:
02425         fsm->wrnb = Fwrite(fsm->wrbuf, sizeof(*fsm->wrbuf), fsm->rdnb, fsm->wfd);
02426         if (_fsm_debug && (stage & FSM_SYSCALL))
02427             rpmMessage(RPMMESS_DEBUG, " %8s (wrbuf, %d, wfd)\twrnb %d\n",
02428                 cur, (int)fsm->rdnb, (int)fsm->wrnb);
02429         if (fsm->rdnb != fsm->wrnb || Ferror(fsm->wfd))
02430             rc = CPIOERR_WRITE_FAILED;
02431         break;
02432     case FSM_WCLOSE:
02433         if (fsm->wfd != NULL) {
02434             if (_fsm_debug && (stage & FSM_SYSCALL))
02435                 rpmMessage(RPMMESS_DEBUG, " %8s (%p)\n", cur, fsm->wfd);
02436             (void) rpmswAdd(rpmtsOp(fsmGetTs(fsm), RPMTS_OP_DIGEST),
02437                         fdstat_op(fsm->wfd, FDSTAT_DIGEST));
02438             (void) Fclose(fsm->wfd);
02439             errno = saveerrno;
02440         }
02441         fsm->wfd = NULL;
02442         break;
02443 
02444     default:
02445         break;
02446     }
02447     /*@=branchstate@*/
02448 
02449     if (!(stage & FSM_INTERNAL)) {
02450         fsm->rc = (rc == CPIOERR_HDR_TRAILER ? 0 : rc);
02451     }
02452     return rc;
02453 }
02454 /*@=compmempass@*/
02455 /*@=boundsread@*/
02456 
02457 /*@obserever@*/ const char *const fileActionString(fileAction a)
02458 {
02459     switch (a) {
02460     case FA_UNKNOWN:    return "unknown";
02461     case FA_CREATE:     return "create";
02462     case FA_COPYOUT:    return "copyout";
02463     case FA_COPYIN:     return "copyin";
02464     case FA_BACKUP:     return "backup";
02465     case FA_SAVE:       return "save";
02466     case FA_SKIP:       return "skip";
02467     case FA_ALTNAME:    return "altname";
02468     case FA_ERASE:      return "erase";
02469     case FA_SKIPNSTATE: return "skipnstate";
02470     case FA_SKIPNETSHARED: return "skipnetshared";
02471     case FA_SKIPCOLOR:  return "skipcolor";
02472     default:            return "???";
02473     }
02474     /*@notreached@*/
02475 }
02476 
02477 /*@observer@*/ const char *const fileStageString(fileStage a) {
02478     switch(a) {
02479     case FSM_UNKNOWN:   return "unknown";
02480 
02481     case FSM_PKGINSTALL:return "INSTALL";
02482     case FSM_PKGERASE:  return "ERASE";
02483     case FSM_PKGBUILD:  return "BUILD";
02484     case FSM_PKGCOMMIT: return "COMMIT";
02485     case FSM_PKGUNDO:   return "UNDO";
02486 
02487     case FSM_CREATE:    return "create";
02488     case FSM_INIT:      return "init";
02489     case FSM_MAP:       return "map";
02490     case FSM_MKDIRS:    return "mkdirs";
02491     case FSM_RMDIRS:    return "rmdirs";
02492     case FSM_PRE:       return "pre";
02493     case FSM_PROCESS:   return "process";
02494     case FSM_POST:      return "post";
02495     case FSM_MKLINKS:   return "mklinks";
02496     case FSM_NOTIFY:    return "notify";
02497     case FSM_UNDO:      return "undo";
02498     case FSM_FINI:      return "fini";
02499     case FSM_COMMIT:    return "commit";
02500     case FSM_DESTROY:   return "destroy";
02501     case FSM_VERIFY:    return "verify";
02502 
02503     case FSM_UNLINK:    return "Unlink";
02504     case FSM_RENAME:    return "Rename";
02505     case FSM_MKDIR:     return "Mkdir";
02506     case FSM_RMDIR:     return "rmdir";
02507     case FSM_LSETFCON:  return "lsetfcon";
02508     case FSM_CHOWN:     return "chown";
02509     case FSM_LCHOWN:    return "lchown";
02510     case FSM_CHMOD:     return "chmod";
02511     case FSM_UTIME:     return "utime";
02512     case FSM_SYMLINK:   return "symlink";
02513     case FSM_LINK:      return "Link";
02514     case FSM_MKFIFO:    return "mkfifo";
02515     case FSM_MKNOD:     return "mknod";
02516     case FSM_LSTAT:     return "Lstat";
02517     case FSM_STAT:      return "Stat";
02518     case FSM_READLINK:  return "Readlink";
02519     case FSM_CHROOT:    return "chroot";
02520 
02521     case FSM_NEXT:      return "next";
02522     case FSM_EAT:       return "eat";
02523     case FSM_POS:       return "pos";
02524     case FSM_PAD:       return "pad";
02525     case FSM_TRAILER:   return "trailer";
02526     case FSM_HREAD:     return "hread";
02527     case FSM_HWRITE:    return "hwrite";
02528     case FSM_DREAD:     return "Fread";
02529     case FSM_DWRITE:    return "Fwrite";
02530 
02531     case FSM_ROPEN:     return "Fopen";
02532     case FSM_READ:      return "Fread";
02533     case FSM_RCLOSE:    return "Fclose";
02534     case FSM_WOPEN:     return "Fopen";
02535     case FSM_WRITE:     return "Fwrite";
02536     case FSM_WCLOSE:    return "Fclose";
02537 
02538     default:            return "???";
02539     }
02540     /*@noteached@*/
02541 }

Generated on Sun Apr 8 21:11:08 2012 for rpm by  doxygen 1.3.9.1