lib/fsm.c

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00001 
00006 #include "system.h"
00007 
00008 #include <rpmio_internal.h>
00009 #include <rpmlib.h>
00010 
00011 #include "cpio.h"
00012 
00013 #include "fsm.h"
00014 #define fsmUNSAFE       fsmStage
00015 
00016 #include "rpmerr.h"
00017 
00018 #define _RPMFI_INTERNAL
00019 #include "rpmfi.h"
00020 #include "rpmte.h"
00021 #include "rpmts.h"
00022 #include "rpmsq.h"
00023 
00024 #include "ugid.h"               /* XXX unameToUid() and gnameToGid() */
00025 
00026 #include "debug.h"
00027 
00028 /*@access FD_t @*/      /* XXX void ptr args */
00029 /*@access FSMI_t @*/
00030 /*@access FSM_t @*/
00031 
00032 /*@access rpmfi @*/
00033 
00034 #define alloca_strdup(_s)       strcpy(alloca(strlen(_s)+1), (_s))
00035 
00036 #define _FSM_DEBUG      0
00037 /*@unchecked@*/
00038 int _fsm_debug = _FSM_DEBUG;
00039 
00040 /*@-exportheadervar@*/
00041 /*@unchecked@*/
00042 int _fsm_threads = 0;
00043 /*@=exportheadervar@*/
00044 
00045 /* XXX Failure to remove is not (yet) cause for failure. */
00046 /*@-exportlocal -exportheadervar@*/
00047 /*@unchecked@*/
00048 int strict_erasures = 0;
00049 /*@=exportlocal =exportheadervar@*/
00050 
00051 rpmts fsmGetTs(const FSM_t fsm) {
00052     const FSMI_t iter = fsm->iter;
00053     /*@-compdef -refcounttrans -retexpose -usereleased @*/
00054     return (iter ? iter->ts : NULL);
00055     /*@=compdef =refcounttrans =retexpose =usereleased @*/
00056 }
00057 
00058 rpmfi fsmGetFi(const FSM_t fsm)
00059 {
00060     const FSMI_t iter = fsm->iter;
00061     /*@-compdef -refcounttrans -retexpose -usereleased @*/
00062     return (iter ? iter->fi : NULL);
00063     /*@=compdef =refcounttrans =retexpose =usereleased @*/
00064 }
00065 
00066 #define SUFFIX_RPMORIG  ".rpmorig"
00067 #define SUFFIX_RPMSAVE  ".rpmsave"
00068 #define SUFFIX_RPMNEW   ".rpmnew"
00069 
00078 static /*@only@*//*@null@*/
00079 const char * fsmFsPath(/*@special@*/ /*@null@*/ const FSM_t fsm,
00080                 /*@null@*/ const struct stat * st,
00081                 /*@null@*/ const char * subdir,
00082                 /*@null@*/ const char * suffix)
00083         /*@uses fsm->dirName, fsm->baseName */
00084         /*@*/
00085 {
00086     const char * s = NULL;
00087 
00088     if (fsm) {
00089         int nb;
00090         char * t;
00091         nb = strlen(fsm->dirName) +
00092             (st && !S_ISDIR(st->st_mode) ? (subdir ? strlen(subdir) : 0) : 0) +
00093             (st && !S_ISDIR(st->st_mode) ? (suffix ? strlen(suffix) : 0) : 0) +
00094             strlen(fsm->baseName) + 1;
00095 /*@-boundswrite@*/
00096         s = t = xmalloc(nb);
00097         t = stpcpy(t, fsm->dirName);
00098         if (st && !S_ISDIR(st->st_mode))
00099             if (subdir) t = stpcpy(t, subdir);
00100         t = stpcpy(t, fsm->baseName);
00101         if (st && !S_ISDIR(st->st_mode))
00102             if (suffix) t = stpcpy(t, suffix);
00103 /*@=boundswrite@*/
00104     }
00105     return s;
00106 }
00107 
00113 static /*@null@*/ void * mapFreeIterator(/*@only@*//*@null@*/ void * p)
00114         /*@globals fileSystem @*/
00115         /*@modifies fileSystem @*/
00116 {
00117     FSMI_t iter = p;
00118     if (iter) {
00119 /*@-internalglobs@*/ /* XXX rpmswExit() */
00120         iter->ts = rpmtsFree(iter->ts);
00121 /*@=internalglobs@*/
00122         iter->fi = rpmfiUnlink(iter->fi, "mapIterator");
00123     }
00124     return _free(p);
00125 }
00126 
00133 static void *
00134 mapInitIterator(rpmts ts, rpmfi fi)
00135         /*@modifies ts, fi @*/
00136 {
00137     FSMI_t iter = NULL;
00138 
00139     iter = xcalloc(1, sizeof(*iter));
00140     iter->ts = rpmtsLink(ts, "mapIterator");
00141     iter->fi = rpmfiLink(fi, "mapIterator");
00142     iter->reverse = (rpmteType(fi->te) == TR_REMOVED && fi->action != FA_COPYOUT);
00143     iter->i = (iter->reverse ? (fi->fc - 1) : 0);
00144     iter->isave = iter->i;
00145     return iter;
00146 }
00147 
00153 static int mapNextIterator(/*@null@*/ void * a)
00154         /*@*/
00155 {
00156     FSMI_t iter = a;
00157     int i = -1;
00158 
00159     if (iter) {
00160         const rpmfi fi = iter->fi;
00161         if (iter->reverse) {
00162             if (iter->i >= 0)   i = iter->i--;
00163         } else {
00164             if (iter->i < fi->fc)       i = iter->i++;
00165         }
00166         iter->isave = i;
00167     }
00168     return i;
00169 }
00170 
00173 /*@-boundsread@*/
00174 static int cpioStrCmp(const void * a, const void * b)
00175         /*@*/
00176 {
00177     const char * afn = *(const char **)a;
00178     const char * bfn = *(const char **)b;
00179 
00180     /* XXX Some 4+ year old rpm packages have basename only in payloads. */
00181 #ifdef  VERY_OLD_BUGGY_RPM_PACKAGES
00182     if (strchr(afn, '/') == NULL)
00183         bfn = strrchr(bfn, '/') + 1;
00184 #endif
00185 
00186     /* Match rpm-4.0 payloads with ./ prefixes. */
00187     if (afn[0] == '.' && afn[1] == '/') afn += 2;
00188     if (bfn[0] == '.' && bfn[1] == '/') bfn += 2;
00189 
00190     /* If either path is absolute, make it relative. */
00191     if (afn[0] == '/')  afn += 1;
00192     if (bfn[0] == '/')  bfn += 1;
00193 
00194     return strcmp(afn, bfn);
00195 }
00196 /*@=boundsread@*/
00197 
00204 /*@-boundsread@*/
00205 static int mapFind(/*@null@*/ FSMI_t iter, const char * fsmPath)
00206         /*@modifies iter @*/
00207 {
00208     int ix = -1;
00209 
00210     if (iter) {
00211         const rpmfi fi = iter->fi;
00212         if (fi && fi->fc > 0 && fi->apath && fsmPath && *fsmPath) {
00213             const char ** p = NULL;
00214 
00215 /*@-boundswrite@*/
00216             if (fi->apath != NULL)
00217                 p = bsearch(&fsmPath, fi->apath, fi->fc, sizeof(fsmPath),
00218                         cpioStrCmp);
00219 /*@=boundswrite@*/
00220             if (p) {
00221                 iter->i = p - fi->apath;
00222                 ix = mapNextIterator(iter);
00223             }
00224         }
00225     }
00226     return ix;
00227 }
00228 /*@=boundsread@*/
00229 
00233 typedef struct dnli_s {
00234     rpmfi fi;
00235 /*@only@*/ /*@null@*/
00236     char * active;
00237     int reverse;
00238     int isave;
00239     int i;
00240 } * DNLI_t;
00241 
00247 static /*@null@*/ void * dnlFreeIterator(/*@only@*//*@null@*/ const void * a)
00248         /*@modifies a @*/
00249 {
00250     if (a) {
00251         DNLI_t dnli = (void *)a;
00252         if (dnli->active) free(dnli->active);
00253     }
00254     return _free(a);
00255 }
00256 
00259 static inline int dnlCount(/*@null@*/ const DNLI_t dnli)
00260         /*@*/
00261 {
00262     return (dnli ? dnli->fi->dc : 0);
00263 }
00264 
00267 static inline int dnlIndex(/*@null@*/ const DNLI_t dnli)
00268         /*@*/
00269 {
00270     return (dnli ? dnli->isave : -1);
00271 }
00272 
00279 /*@-boundsread@*/
00280 /*@-usereleased@*/
00281 static /*@only@*/ /*@null@*/
00282 void * dnlInitIterator(/*@special@*/ const FSM_t fsm,
00283                 int reverse)
00284         /*@uses fsm->iter @*/ 
00285         /*@*/
00286 {
00287     rpmfi fi = fsmGetFi(fsm);
00288     DNLI_t dnli;
00289     int i, j;
00290 
00291     if (fi == NULL)
00292         return NULL;
00293     dnli = xcalloc(1, sizeof(*dnli));
00294     dnli->fi = fi;
00295     dnli->reverse = reverse;
00296     /*@-branchstate@*/
00297     dnli->i = (reverse ? fi->dc : 0);
00298     /*@=branchstate@*/
00299 
00300     if (fi->dc) {
00301         dnli->active = xcalloc(fi->dc, sizeof(*dnli->active));
00302 
00303         /* Identify parent directories not skipped. */
00304 /*@-boundswrite@*/
00305         for (i = 0; i < fi->fc; i++)
00306             if (!XFA_SKIPPING(fi->actions[i])) dnli->active[fi->dil[i]] = 1;
00307 /*@=boundswrite@*/
00308 
00309         /* Exclude parent directories that are explicitly included. */
00310         for (i = 0; i < fi->fc; i++) {
00311             int dil, dnlen, bnlen;
00312 
00313             if (!S_ISDIR(fi->fmodes[i]))
00314                 continue;
00315 
00316             dil = fi->dil[i];
00317             dnlen = strlen(fi->dnl[dil]);
00318             bnlen = strlen(fi->bnl[i]);
00319 
00320             for (j = 0; j < fi->dc; j++) {
00321                 const char * dnl;
00322                 int jlen;
00323 
00324                 if (!dnli->active[j] || j == dil)
00325                     /*@innercontinue@*/ continue;
00326                 dnl = fi->dnl[j];
00327                 jlen = strlen(dnl);
00328                 if (jlen != (dnlen+bnlen+1))
00329                     /*@innercontinue@*/ continue;
00330                 if (strncmp(dnl, fi->dnl[dil], dnlen))
00331                     /*@innercontinue@*/ continue;
00332                 if (strncmp(dnl+dnlen, fi->bnl[i], bnlen))
00333                     /*@innercontinue@*/ continue;
00334                 if (dnl[dnlen+bnlen] != '/' || dnl[dnlen+bnlen+1] != '\0')
00335                     /*@innercontinue@*/ continue;
00336                 /* This directory is included in the package. */
00337 /*@-boundswrite@*/
00338                 dnli->active[j] = 0;
00339 /*@=boundswrite@*/
00340                 /*@innerbreak@*/ break;
00341             }
00342         }
00343 
00344         /* Print only once per package. */
00345         if (!reverse) {
00346             j = 0;
00347             for (i = 0; i < fi->dc; i++) {
00348                 if (!dnli->active[i]) continue;
00349                 if (j == 0) {
00350                     j = 1;
00351                     rpmMessage(RPMMESS_DEBUG,
00352         _("========== Directories not explicitly included in package:\n"));
00353                 }
00354                 rpmMessage(RPMMESS_DEBUG, _("%10d %s\n"), i, fi->dnl[i]);
00355             }
00356             if (j)
00357                 rpmMessage(RPMMESS_DEBUG, "==========\n");
00358         }
00359     }
00360     return dnli;
00361 }
00362 /*@=usereleased@*/
00363 /*@=boundsread@*/
00364 
00370 /*@-boundsread@*/
00371 static /*@observer@*/ /*@null@*/
00372 const char * dnlNextIterator(/*@null@*/ DNLI_t dnli)
00373         /*@modifies dnli @*/
00374 {
00375     const char * dn = NULL;
00376 
00377     if (dnli) {
00378         rpmfi fi = dnli->fi;
00379         int i = -1;
00380 
00381         if (dnli->active)
00382         do {
00383             i = (!dnli->reverse ? dnli->i++ : --dnli->i);
00384         } while (i >= 0 && i < fi->dc && !dnli->active[i]);
00385 
00386         if (i >= 0 && i < fi->dc)
00387             dn = fi->dnl[i];
00388         else
00389             i = -1;
00390         dnli->isave = i;
00391     }
00392     return dn;
00393 }
00394 /*@=boundsread@*/
00395 
00396 static void * fsmThread(void * arg)
00397         /*@globals h_errno, fileSystem, internalState @*/
00398         /*@modifies arg, fileSystem, internalState @*/
00399 {
00400     FSM_t fsm = arg;
00401 /*@-unqualifiedtrans@*/
00402     return ((void *) fsmStage(fsm, fsm->nstage));
00403 /*@=unqualifiedtrans@*/
00404 }
00405 
00406 int fsmNext(FSM_t fsm, fileStage nstage)
00407         /*@globals h_errno, fileSystem, internalState @*/
00408         /*@modifies fsm, fileSystem, internalState @*/
00409 {
00410     fsm->nstage = nstage;
00411     if (_fsm_threads)
00412         return rpmsqJoin( rpmsqThread(fsmThread, fsm) );
00413     return fsmStage(fsm, fsm->nstage);
00414 }
00415 
00421 /*@-boundsread@*/
00422 static int saveHardLink(/*@special@*/ /*@partial@*/ FSM_t fsm)
00423         /*@uses fsm->links, fsm->ix, fsm->sb, fsm->goal, fsm->nsuffix @*/
00424         /*@defines fsm->li @*/
00425         /*@releases fsm->path @*/
00426         /*@globals h_errno, fileSystem, internalState @*/
00427         /*@modifies fsm, fileSystem, internalState @*/
00428 {
00429     struct stat * st = &fsm->sb;
00430     int rc = 0;
00431     int ix = -1;
00432     int j;
00433 
00434     /* Find hard link set. */
00435     /*@-branchstate@*/
00436     for (fsm->li = fsm->links; fsm->li; fsm->li = fsm->li->next) {
00437         if (fsm->li->sb.st_ino == st->st_ino && fsm->li->sb.st_dev == st->st_dev)
00438             break;
00439     }
00440     /*@=branchstate@*/
00441 
00442     /* New hard link encountered, add new link to set. */
00443 /*@-boundswrite@*/
00444     /*@-branchstate@*/
00445     if (fsm->li == NULL) {
00446         fsm->li = xcalloc(1, sizeof(*fsm->li));
00447         fsm->li->next = NULL;
00448         fsm->li->sb = *st;      /* structure assignment */
00449         fsm->li->nlink = st->st_nlink;
00450         fsm->li->linkIndex = fsm->ix;
00451         fsm->li->createdPath = -1;
00452 
00453         fsm->li->filex = xcalloc(st->st_nlink, sizeof(fsm->li->filex[0]));
00454         memset(fsm->li->filex, -1, (st->st_nlink * sizeof(fsm->li->filex[0])));
00455         fsm->li->nsuffix = xcalloc(st->st_nlink, sizeof(*fsm->li->nsuffix));
00456 
00457         if (fsm->goal == FSM_PKGBUILD)
00458             fsm->li->linksLeft = st->st_nlink;
00459         if (fsm->goal == FSM_PKGINSTALL)
00460             fsm->li->linksLeft = 0;
00461 
00462         /*@-kepttrans@*/
00463         fsm->li->next = fsm->links;
00464         /*@=kepttrans@*/
00465         fsm->links = fsm->li;
00466     }
00467     /*@=branchstate@*/
00468 /*@=boundswrite@*/
00469 
00470     if (fsm->goal == FSM_PKGBUILD) --fsm->li->linksLeft;
00471 /*@-boundswrite@*/
00472     fsm->li->filex[fsm->li->linksLeft] = fsm->ix;
00473     /*@-observertrans -dependenttrans@*/
00474     fsm->li->nsuffix[fsm->li->linksLeft] = fsm->nsuffix;
00475     /*@=observertrans =dependenttrans@*/
00476 /*@=boundswrite@*/
00477     if (fsm->goal == FSM_PKGINSTALL) fsm->li->linksLeft++;
00478 
00479     if (fsm->goal == FSM_PKGBUILD)
00480         return (fsm->li->linksLeft > 0);
00481 
00482     if (fsm->goal != FSM_PKGINSTALL)
00483         return 0;
00484 
00485     if (!(st->st_size || fsm->li->linksLeft == st->st_nlink))
00486         return 1;
00487 
00488     /* Here come the bits, time to choose a non-skipped file name. */
00489     {   rpmfi fi = fsmGetFi(fsm);
00490 
00491         for (j = fsm->li->linksLeft - 1; j >= 0; j--) {
00492             ix = fsm->li->filex[j];
00493             if (ix < 0 || XFA_SKIPPING(fi->actions[ix]))
00494                 continue;
00495             break;
00496         }
00497     }
00498 
00499     /* Are all links skipped or not encountered yet? */
00500     if (ix < 0 || j < 0)
00501         return 1;       /* XXX W2DO? */
00502 
00503     /* Save the non-skipped file name and map index. */
00504     fsm->li->linkIndex = j;
00505     fsm->path = _free(fsm->path);
00506     fsm->ix = ix;
00507     rc = fsmNext(fsm, FSM_MAP);
00508     return rc;
00509 }
00510 /*@=boundsread@*/
00511 
00517 static /*@null@*/ void * freeHardLink(/*@only@*/ /*@null@*/ struct hardLink_s * li)
00518         /*@modifies li @*/
00519 {
00520     if (li) {
00521         li->nsuffix = _free(li->nsuffix);       /* XXX elements are shared */
00522         li->filex = _free(li->filex);
00523     }
00524     return _free(li);
00525 }
00526 
00527 FSM_t newFSM(void)
00528 {
00529     FSM_t fsm = xcalloc(1, sizeof(*fsm));
00530     return fsm;
00531 }
00532 
00533 FSM_t freeFSM(FSM_t fsm)
00534 {
00535     if (fsm) {
00536         fsm->path = _free(fsm->path);
00537         /*@-branchstate@*/
00538         while ((fsm->li = fsm->links) != NULL) {
00539             fsm->links = fsm->li->next;
00540             fsm->li->next = NULL;
00541             fsm->li = freeHardLink(fsm->li);
00542         }
00543         /*@=branchstate@*/
00544         fsm->dnlx = _free(fsm->dnlx);
00545         fsm->ldn = _free(fsm->ldn);
00546         fsm->iter = mapFreeIterator(fsm->iter);
00547     }
00548     return _free(fsm);
00549 }
00550 
00551 int fsmSetup(FSM_t fsm, fileStage goal,
00552                 const rpmts ts, const rpmfi fi, FD_t cfd,
00553                 unsigned int * archiveSize, const char ** failedFile)
00554 {
00555     size_t pos = 0;
00556     int rc, ec = 0;
00557 
00558     fsm->goal = goal;
00559     if (cfd != NULL) {
00560         fsm->cfd = fdLink(cfd, "persist (fsm)");
00561         pos = fdGetCpioPos(fsm->cfd);
00562         fdSetCpioPos(fsm->cfd, 0);
00563     }
00564     fsm->iter = mapInitIterator(ts, fi);
00565 
00566     if (fsm->goal == FSM_PKGINSTALL || fsm->goal == FSM_PKGBUILD) {
00567         void * ptr;
00568         fi->archivePos = 0;
00569         ptr = rpmtsNotify(ts, fi->te,
00570                 RPMCALLBACK_INST_START, fi->archivePos, fi->archiveSize);
00571     }
00572 
00573 /*@-boundswrite@*/
00574     /*@-assignexpose@*/
00575     fsm->archiveSize = archiveSize;
00576     if (fsm->archiveSize)
00577         *fsm->archiveSize = 0;
00578     fsm->failedFile = failedFile;
00579     if (fsm->failedFile)
00580         *fsm->failedFile = NULL;
00581     /*@=assignexpose@*/
00582 /*@=boundswrite@*/
00583 
00584     memset(fsm->sufbuf, 0, sizeof(fsm->sufbuf));
00585     if (fsm->goal == FSM_PKGINSTALL) {
00586         if (ts && rpmtsGetTid(ts) > 0)
00587             sprintf(fsm->sufbuf, ";%08x", (unsigned)rpmtsGetTid(ts));
00588     }
00589 
00590     ec = fsm->rc = 0;
00591     rc = fsmUNSAFE(fsm, FSM_CREATE);
00592     if (rc && !ec) ec = rc;
00593 
00594     rc = fsmUNSAFE(fsm, fsm->goal);
00595     if (rc && !ec) ec = rc;
00596 
00597 /*@-boundswrite@*/
00598     if (fsm->archiveSize && ec == 0)
00599         *fsm->archiveSize = (fdGetCpioPos(fsm->cfd) - pos);
00600 /*@=boundswrite@*/
00601 
00602 /*@-nullstate@*/ /* FIX: *fsm->failedFile may be NULL */
00603    return ec;
00604 /*@=nullstate@*/
00605 }
00606 
00607 int fsmTeardown(FSM_t fsm)
00608 {
00609     int rc = fsm->rc;
00610 
00611     if (!rc)
00612         rc = fsmUNSAFE(fsm, FSM_DESTROY);
00613 
00614     fsm->iter = mapFreeIterator(fsm->iter);
00615     if (fsm->cfd != NULL) {
00616         fsm->cfd = fdFree(fsm->cfd, "persist (fsm)");
00617         fsm->cfd = NULL;
00618     }
00619     fsm->failedFile = NULL;
00620     return rc;
00621 }
00622 
00623 static int fsmMapFContext(FSM_t fsm)
00624         /*@modifies fsm @*/
00625 {
00626     rpmts ts = fsmGetTs(fsm);
00627     rpmfi fi = fsmGetFi(fsm);
00628     struct stat * st = &fsm->sb;
00629 
00630     /*
00631      * Find file security context (if not disabled).
00632      */
00633     fsm->fcontext = NULL;
00634     if (ts != NULL && rpmtsSELinuxEnabled(ts) == 1 &&
00635         !(rpmtsFlags(ts) & RPMTRANS_FLAG_NOCONTEXTS))
00636     {
00637         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 /*@-compdef@*/
01278     rpmts ts = fsmGetTs(fsm);
01279 /*@=compdef@*/
01280     rpmsx sx = rpmtsREContext(ts);
01281 
01282     fsm->path = NULL;
01283 
01284 /*@-boundswrite@*/
01285     dn[0] = '\0';
01286     fsm->dnlx = (dc ? xcalloc(dc, sizeof(*fsm->dnlx)) : NULL);
01287     /*@-observertrans -dependenttrans@*/
01288     if (fsm->dnlx != NULL)
01289     while ((fsm->path = dnlNextIterator(dnli)) != NULL) {
01290         int dnlen = strlen(fsm->path);
01291         char * te;
01292 
01293         dc = dnlIndex(dnli);
01294         if (dc < 0) continue;
01295         fsm->dnlx[dc] = dnlen;
01296         if (dnlen <= 1)
01297             continue;
01298 
01299         /*@-compdef -nullpass@*/        /* FIX: fsm->ldn not defined ??? */
01300         if (dnlen <= fsm->ldnlen && !strcmp(fsm->path, fsm->ldn))
01301             continue;
01302         /*@=compdef =nullpass@*/
01303 
01304         /* Copy to avoid const on fsm->path. */
01305         (void) stpcpy(dn, fsm->path);
01306         fsm->path = dn;
01307 
01308         /* Assume '/' directory exists, "mkdir -p" for others if non-existent */
01309         for (i = 1, te = dn + 1; *te != '\0'; te++, i++) {
01310             if (*te != '/')
01311                 /*@innercontinue@*/ continue;
01312 
01313             *te = '\0';
01314 
01315             /* Already validated? */
01316             /*@-usedef -compdef -nullpass -nullderef@*/
01317             if (i < fsm->ldnlen &&
01318                 (fsm->ldn[i] == '/' || fsm->ldn[i] == '\0') &&
01319                 !strncmp(fsm->path, fsm->ldn, i))
01320             {
01321                 *te = '/';
01322                 /* Move pre-existing path marker forward. */
01323                 fsm->dnlx[dc] = (te - dn);
01324                 /*@innercontinue@*/ continue;
01325             }
01326             /*@=usedef =compdef =nullpass =nullderef@*/
01327 
01328             /* Validate next component of path. */
01329             rc = fsmUNSAFE(fsm, FSM_LSTAT);
01330             *te = '/';
01331 
01332             /* Directory already exists? */
01333             if (rc == 0 && S_ISDIR(ost->st_mode)) {
01334                 /* Move pre-existing path marker forward. */
01335                 fsm->dnlx[dc] = (te - dn);
01336             } else if (rc == CPIOERR_ENOENT) {
01337                 rpmfi fi = fsmGetFi(fsm);
01338                 *te = '\0';
01339                 st->st_mode = S_IFDIR | (fi->dperms & 07777);
01340                 rc = fsmNext(fsm, FSM_MKDIR);
01341                 if (!rc) {
01342                     /* XXX FIXME? only new dir will have context set. */
01343                     /* Get file security context from patterns. */
01344                     if (sx != NULL) {
01345                         fsm->fcontext = rpmsxFContext(sx, fsm->path, st->st_mode);
01346                         rc = fsmNext(fsm, FSM_LSETFCON);
01347                     }
01348                     if (fsm->fcontext == NULL)
01349                         rpmMessage(RPMMESS_DEBUG,
01350                             _("%s directory created with perms %04o, no context.\n"),
01351                             fsm->path, (unsigned)(st->st_mode & 07777));
01352                     else
01353                         rpmMessage(RPMMESS_DEBUG,
01354                             _("%s directory created with perms %04o, context %s.\n"),
01355                             fsm->path, (unsigned)(st->st_mode & 07777),
01356                             fsm->fcontext);
01357                     fsm->fcontext = NULL;
01358                 }
01359                 *te = '/';
01360             }
01361             if (rc)
01362                 /*@innerbreak@*/ break;
01363         }
01364         if (rc) break;
01365 
01366         /* Save last validated path. */
01367 /*@-compdef@*/ /* FIX: ldn/path annotations ? */
01368         if (fsm->ldnalloc < (dnlen + 1)) {
01369             fsm->ldnalloc = dnlen + 100;
01370             fsm->ldn = xrealloc(fsm->ldn, fsm->ldnalloc);
01371         }
01372         if (fsm->ldn != NULL) { /* XXX can't happen */
01373             strcpy(fsm->ldn, fsm->path);
01374             fsm->ldnlen = dnlen;
01375         }
01376 /*@=compdef@*/
01377     }
01378 /*@=boundswrite@*/
01379     dnli = dnlFreeIterator(dnli);
01380     sx = rpmsxFree(sx);
01381     /*@=observertrans =dependenttrans@*/
01382 
01383     fsm->path = path;
01384     st->st_mode = st_mode;              /* XXX restore st->st_mode */
01385 /*@-compdef@*/ /* FIX: ldn/path annotations ? */
01386     return rc;
01387 /*@=compdef@*/
01388 }
01389 
01390 #ifdef  NOTYET
01391 
01396 static int fsmStat(/*@special@*/ /*@partial@*/ FSM_t fsm)
01397         /*@globals fileSystem, internalState @*/
01398         /*@modifies fsm, fileSystem, internalState @*/
01399 {
01400     int rc = 0;
01401 
01402     if (fsm->path != NULL) {
01403         int saveernno = errno;
01404         rc = fsmUNSAFE(fsm, (!(fsm->mapFlags & CPIO_FOLLOW_SYMLINKS)
01405                         ? FSM_LSTAT : FSM_STAT));
01406         if (rc == CPIOERR_ENOENT) {
01407             errno = saveerrno;
01408             rc = 0;
01409             fsm->exists = 0;
01410         } else if (rc == 0) {
01411             fsm->exists = 1;
01412         }
01413     } else {
01414         /* Skip %ghost files on build. */
01415         fsm->exists = 0;
01416     }
01417     return rc;
01418 }
01419 #endif
01420 
01421 #define IS_DEV_LOG(_x)  \
01422         ((_x) != NULL && strlen(_x) >= (sizeof("/dev/log")-1) && \
01423         !strncmp((_x), "/dev/log", sizeof("/dev/log")-1) && \
01424         ((_x)[sizeof("/dev/log")-1] == '\0' || \
01425          (_x)[sizeof("/dev/log")-1] == ';'))
01426 
01427 /*@-boundsread@*/
01428 /*@-compmempass@*/
01429 int fsmStage(FSM_t fsm, fileStage stage)
01430 {
01431 #ifdef  UNUSED
01432     fileStage prevStage = fsm->stage;
01433     const char * const prev = fileStageString(prevStage);
01434 #endif
01435     static int modulo = 4;
01436     const char * const cur = fileStageString(stage);
01437     struct stat * st = &fsm->sb;
01438     struct stat * ost = &fsm->osb;
01439     int saveerrno = errno;
01440     int rc = fsm->rc;
01441     size_t left;
01442     int i;
01443 
01444 #define _fafilter(_a)   \
01445     (!((_a) == FA_CREATE || (_a) == FA_ERASE || (_a) == FA_COPYIN || (_a) == FA_COPYOUT) \
01446         ? fileActionString(_a) : "")
01447 
01448     if (stage & FSM_DEAD) {
01449         /* do nothing */
01450     } else if (stage & FSM_INTERNAL) {
01451         if (_fsm_debug && !(stage & FSM_SYSCALL))
01452             rpmMessage(RPMMESS_DEBUG, " %8s %06o%3d (%4d,%4d)%10d %s %s\n",
01453                 cur,
01454                 (unsigned)st->st_mode, (int)st->st_nlink,
01455                 (int)st->st_uid, (int)st->st_gid, (int)st->st_size,
01456                 (fsm->path ? fsm->path : ""),
01457                 _fafilter(fsm->action));
01458     } else {
01459         fsm->stage = stage;
01460         if (_fsm_debug || !(stage & FSM_VERBOSE))
01461             rpmMessage(RPMMESS_DEBUG, "%-8s  %06o%3d (%4d,%4d)%10d %s %s\n",
01462                 cur,
01463                 (unsigned)st->st_mode, (int)st->st_nlink,
01464                 (int)st->st_uid, (int)st->st_gid, (int)st->st_size,
01465                 (fsm->path ? fsm->path + fsm->astriplen : ""),
01466                 _fafilter(fsm->action));
01467     }
01468 #undef  _fafilter
01469 
01470     /*@-branchstate@*/
01471     switch (stage) {
01472     case FSM_UNKNOWN:
01473         break;
01474     case FSM_PKGINSTALL:
01475         while (1) {
01476             /* Clean fsm, free'ing memory. Read next archive header. */
01477             rc = fsmUNSAFE(fsm, FSM_INIT);
01478 
01479             /* Exit on end-of-payload. */
01480             if (rc == CPIOERR_HDR_TRAILER) {
01481                 rc = 0;
01482                 /*@loopbreak@*/ break;
01483             }
01484 
01485             /* Exit on error. */
01486             if (rc) {
01487                 fsm->postpone = 1;
01488                 (void) fsmNext(fsm, FSM_UNDO);
01489                 /*@loopbreak@*/ break;
01490             }
01491 
01492             /* Extract file from archive. */
01493             rc = fsmNext(fsm, FSM_PROCESS);
01494             if (rc) {
01495                 (void) fsmNext(fsm, FSM_UNDO);
01496                 /*@loopbreak@*/ break;
01497             }
01498 
01499             /* Notify on success. */
01500             (void) fsmNext(fsm, FSM_NOTIFY);
01501 
01502             rc = fsmNext(fsm, FSM_FINI);
01503             if (rc) {
01504                 /*@loopbreak@*/ break;
01505             }
01506         }
01507         break;
01508     case FSM_PKGERASE:
01509     case FSM_PKGCOMMIT:
01510         while (1) {
01511             /* Clean fsm, free'ing memory. */
01512             rc = fsmUNSAFE(fsm, FSM_INIT);
01513 
01514             /* Exit on end-of-payload. */
01515             if (rc == CPIOERR_HDR_TRAILER) {
01516                 rc = 0;
01517                 /*@loopbreak@*/ break;
01518             }
01519 
01520             /* Rename/erase next item. */
01521             if (fsmNext(fsm, FSM_FINI))
01522                 /*@loopbreak@*/ break;
01523         }
01524         break;
01525     case FSM_PKGBUILD:
01526         while (1) {
01527 
01528             rc = fsmUNSAFE(fsm, FSM_INIT);
01529 
01530             /* Exit on end-of-payload. */
01531             if (rc == CPIOERR_HDR_TRAILER) {
01532                 rc = 0;
01533                 /*@loopbreak@*/ break;
01534             }
01535 
01536             /* Exit on error. */
01537             if (rc) {
01538                 fsm->postpone = 1;
01539                 (void) fsmNext(fsm, FSM_UNDO);
01540                 /*@loopbreak@*/ break;
01541             }
01542 
01543             /* Copy file into archive. */
01544             rc = fsmNext(fsm, FSM_PROCESS);
01545             if (rc) {
01546                 (void) fsmNext(fsm, FSM_UNDO);
01547                 /*@loopbreak@*/ break;
01548             }
01549 
01550             /* Notify on success. */
01551             (void) fsmNext(fsm, FSM_NOTIFY);
01552 
01553             if (fsmNext(fsm, FSM_FINI))
01554                 /*@loopbreak@*/ break;
01555         }
01556 
01557         /* Flush partial sets of hard linked files. */
01558         if (!(fsm->mapFlags & CPIO_ALL_HARDLINKS)) {
01559             int nlink, j;
01560             while ((fsm->li = fsm->links) != NULL) {
01561                 fsm->links = fsm->li->next;
01562                 fsm->li->next = NULL;
01563 
01564                 /* Re-calculate link count for archive header. */
01565                 for (j = -1, nlink = 0, i = 0; i < fsm->li->nlink; i++) {
01566                     if (fsm->li->filex[i] < 0)
01567                         /*@innercontinue@*/ continue;
01568                     nlink++;
01569                     if (j == -1) j = i;
01570                 }
01571                 /* XXX force the contents out as well. */
01572 /*@-boundswrite@*/
01573                 if (j != 0) {
01574                     fsm->li->filex[0] = fsm->li->filex[j];
01575                     fsm->li->filex[j] = -1;
01576                 }
01577 /*@=boundswrite@*/
01578                 fsm->li->sb.st_nlink = nlink;
01579 
01580                 fsm->sb = fsm->li->sb;  /* structure assignment */
01581                 fsm->osb = fsm->sb;     /* structure assignment */
01582 
01583                 if (!rc) rc = writeLinkedFile(fsm);
01584 
01585                 fsm->li = freeHardLink(fsm->li);
01586             }
01587         }
01588 
01589         if (!rc)
01590             rc = fsmNext(fsm, FSM_TRAILER);
01591 
01592         break;
01593     case FSM_CREATE:
01594         {   rpmts ts = fsmGetTs(fsm);
01595 #define _tsmask (RPMTRANS_FLAG_PKGCOMMIT | RPMTRANS_FLAG_COMMIT)
01596             fsm->commit = ((ts && (rpmtsFlags(ts) & _tsmask) &&
01597                         fsm->goal != FSM_PKGCOMMIT) ? 0 : 1);
01598 #undef _tsmask
01599         }
01600         fsm->path = _free(fsm->path);
01601         fsm->opath = _free(fsm->opath);
01602         fsm->dnlx = _free(fsm->dnlx);
01603 
01604         fsm->ldn = _free(fsm->ldn);
01605         fsm->ldnalloc = fsm->ldnlen = 0;
01606 
01607         fsm->rdsize = fsm->wrsize = 0;
01608         fsm->rdbuf = fsm->rdb = _free(fsm->rdb);
01609         fsm->wrbuf = fsm->wrb = _free(fsm->wrb);
01610         if (fsm->goal == FSM_PKGINSTALL || fsm->goal == FSM_PKGBUILD) {
01611             fsm->rdsize = 8 * BUFSIZ;
01612             fsm->rdbuf = fsm->rdb = xmalloc(fsm->rdsize);
01613             fsm->wrsize = 8 * BUFSIZ;
01614             fsm->wrbuf = fsm->wrb = xmalloc(fsm->wrsize);
01615         }
01616 
01617         fsm->mkdirsdone = 0;
01618         fsm->ix = -1;
01619         fsm->links = NULL;
01620         fsm->li = NULL;
01621         errno = 0;      /* XXX get rid of EBADF */
01622 
01623         /* Detect and create directories not explicitly in package. */
01624         if (fsm->goal == FSM_PKGINSTALL) {
01625 /*@-compdef@*/
01626             rc = fsmNext(fsm, FSM_MKDIRS);
01627 /*@=compdef@*/
01628             if (!rc) fsm->mkdirsdone = 1;
01629         }
01630 
01631         break;
01632     case FSM_INIT:
01633         fsm->path = _free(fsm->path);
01634         fsm->postpone = 0;
01635         fsm->diskchecked = fsm->exists = 0;
01636         fsm->subdir = NULL;
01637         fsm->suffix = (fsm->sufbuf[0] != '\0' ? fsm->sufbuf : NULL);
01638         fsm->action = FA_UNKNOWN;
01639         fsm->osuffix = NULL;
01640         fsm->nsuffix = NULL;
01641 
01642         if (fsm->goal == FSM_PKGINSTALL) {
01643             /* Read next header from payload, checking for end-of-payload. */
01644             rc = fsmUNSAFE(fsm, FSM_NEXT);
01645         }
01646         if (rc) break;
01647 
01648         /* Identify mapping index. */
01649         fsm->ix = ((fsm->goal == FSM_PKGINSTALL)
01650                 ? mapFind(fsm->iter, fsm->path) : mapNextIterator(fsm->iter));
01651 
01652         /* Detect end-of-loop and/or mapping error. */
01653         if (fsm->ix < 0) {
01654             if (fsm->goal == FSM_PKGINSTALL) {
01655 #if 0
01656                 rpmMessage(RPMMESS_WARNING,
01657                     _("archive file %s was not found in header file list\n"),
01658                         fsm->path);
01659 #endif
01660 /*@-boundswrite@*/
01661                 if (fsm->failedFile && *fsm->failedFile == NULL)
01662                     *fsm->failedFile = xstrdup(fsm->path);
01663 /*@=boundswrite@*/
01664                 rc = CPIOERR_UNMAPPED_FILE;
01665             } else {
01666                 rc = CPIOERR_HDR_TRAILER;
01667             }
01668             break;
01669         }
01670 
01671         /* On non-install, mode must be known so that dirs don't get suffix. */
01672         if (fsm->goal != FSM_PKGINSTALL) {
01673             rpmfi fi = fsmGetFi(fsm);
01674             st->st_mode = fi->fmodes[fsm->ix];
01675         }
01676 
01677         /* Generate file path. */
01678         rc = fsmNext(fsm, FSM_MAP);
01679         if (rc) break;
01680 
01681         /* Perform lstat/stat for disk file. */
01682 #ifdef  NOTYET
01683         rc = fsmStat(fsm);
01684 #else
01685         if (fsm->path != NULL &&
01686             !(fsm->goal == FSM_PKGINSTALL && S_ISREG(st->st_mode)))
01687         {
01688             rc = fsmUNSAFE(fsm, (!(fsm->mapFlags & CPIO_FOLLOW_SYMLINKS)
01689                         ? FSM_LSTAT : FSM_STAT));
01690             if (rc == CPIOERR_ENOENT) {
01691                 errno = saveerrno;
01692                 rc = 0;
01693                 fsm->exists = 0;
01694             } else if (rc == 0) {
01695                 fsm->exists = 1;
01696             }
01697         } else {
01698             /* Skip %ghost files on build. */
01699             fsm->exists = 0;
01700         }
01701 #endif
01702         fsm->diskchecked = 1;
01703         if (rc) break;
01704 
01705         /* On non-install, the disk file stat is what's remapped. */
01706 /*@-boundswrite@*/
01707         if (fsm->goal != FSM_PKGINSTALL)
01708             *st = *ost;                 /* structure assignment */
01709 /*@=boundswrite@*/
01710 
01711         /* Remap file perms, owner, and group. */
01712         rc = fsmMapAttrs(fsm);
01713         if (rc) break;
01714 
01715         fsm->postpone = XFA_SKIPPING(fsm->action);
01716         if (fsm->goal == FSM_PKGINSTALL || fsm->goal == FSM_PKGBUILD) {
01717             /*@-evalorder@*/ /* FIX: saveHardLink can modify fsm */
01718             if (!S_ISDIR(st->st_mode) && st->st_nlink > 1)
01719                 fsm->postpone = saveHardLink(fsm);
01720             /*@=evalorder@*/
01721         }
01722         break;
01723     case FSM_PRE:
01724         break;
01725     case FSM_MAP:
01726         rc = fsmMapPath(fsm);
01727         break;
01728     case FSM_MKDIRS:
01729         rc = fsmMkdirs(fsm);
01730         break;
01731     case FSM_RMDIRS:
01732         if (fsm->dnlx)
01733             rc = fsmRmdirs(fsm);
01734         break;
01735     case FSM_PROCESS:
01736         if (fsm->postpone) {
01737             if (fsm->goal == FSM_PKGINSTALL)
01738                 rc = fsmNext(fsm, FSM_EAT);
01739             break;
01740         }
01741 
01742         if (fsm->goal == FSM_PKGBUILD) {
01743             if (fsm->fflags & RPMFILE_GHOST) /* XXX Don't if %ghost file. */
01744                 break;
01745             if (!S_ISDIR(st->st_mode) && st->st_nlink > 1) {
01746                 struct hardLink_s * li, * prev;
01747 
01748 if (!(fsm->mapFlags & CPIO_ALL_HARDLINKS)) break;
01749                 rc = writeLinkedFile(fsm);
01750                 if (rc) break;  /* W2DO? */
01751 
01752                 for (li = fsm->links, prev = NULL; li; prev = li, li = li->next)
01753                      if (li == fsm->li)
01754                         /*@loopbreak@*/ break;
01755 
01756                 if (prev == NULL)
01757                     fsm->links = fsm->li->next;
01758                 else
01759                     prev->next = fsm->li->next;
01760                 fsm->li->next = NULL;
01761                 fsm->li = freeHardLink(fsm->li);
01762             } else {
01763                 rc = writeFile(fsm, 1);
01764             }
01765             break;
01766         }
01767 
01768         if (fsm->goal != FSM_PKGINSTALL)
01769             break;
01770 
01771         if (S_ISREG(st->st_mode)) {
01772             const char * path = fsm->path;
01773             if (fsm->osuffix)
01774                 fsm->path = fsmFsPath(fsm, st, NULL, NULL);
01775             rc = fsmUNSAFE(fsm, FSM_VERIFY);
01776 
01777             if (rc == 0 && fsm->osuffix) {
01778                 const char * opath = fsm->opath;
01779                 fsm->opath = fsm->path;
01780                 fsm->path = fsmFsPath(fsm, st, NULL, fsm->osuffix);
01781                 rc = fsmNext(fsm, FSM_RENAME);
01782                 if (!rc)
01783                     rpmMessage(RPMMESS_WARNING,
01784                         _("%s saved as %s\n"),
01785                                 (fsm->opath ? fsm->opath : ""),
01786                                 (fsm->path ? fsm->path : ""));
01787                 fsm->path = _free(fsm->path);
01788                 fsm->opath = opath;
01789             }
01790 
01791             /*@-dependenttrans@*/
01792             fsm->path = path;
01793             /*@=dependenttrans@*/
01794             if (!(rc == CPIOERR_ENOENT)) return rc;
01795             rc = expandRegular(fsm);
01796         } else if (S_ISDIR(st->st_mode)) {
01797             mode_t st_mode = st->st_mode;
01798             rc = fsmUNSAFE(fsm, FSM_VERIFY);
01799             if (rc == CPIOERR_ENOENT) {
01800                 st->st_mode &= ~07777;          /* XXX abuse st->st_mode */
01801                 st->st_mode |=  00700;
01802                 rc = fsmNext(fsm, FSM_MKDIR);
01803                 st->st_mode = st_mode;          /* XXX restore st->st_mode */
01804             }
01805         } else if (S_ISLNK(st->st_mode)) {
01806             const char * opath = fsm->opath;
01807 
01808             if ((st->st_size + 1) > fsm->rdsize) {
01809                 rc = CPIOERR_HDR_SIZE;
01810                 break;
01811             }
01812 
01813             fsm->wrlen = st->st_size;
01814             rc = fsmNext(fsm, FSM_DREAD);
01815             if (!rc && fsm->rdnb != fsm->wrlen)
01816                 rc = CPIOERR_READ_FAILED;
01817             if (rc) break;
01818 
01819 /*@-boundswrite@*/
01820             fsm->wrbuf[st->st_size] = '\0';
01821 /*@=boundswrite@*/
01822             /* XXX symlink(fsm->opath, fsm->path) */
01823             /*@-dependenttrans@*/
01824             fsm->opath = fsm->wrbuf;
01825             /*@=dependenttrans@*/
01826             rc = fsmUNSAFE(fsm, FSM_VERIFY);
01827             if (rc == CPIOERR_ENOENT)
01828                 rc = fsmNext(fsm, FSM_SYMLINK);
01829             fsm->opath = opath;         /* XXX restore fsm->path */
01830         } else if (S_ISFIFO(st->st_mode)) {
01831             mode_t st_mode = st->st_mode;
01832             /* This mimics cpio S_ISSOCK() behavior but probably isnt' right */
01833             rc = fsmUNSAFE(fsm, FSM_VERIFY);
01834             if (rc == CPIOERR_ENOENT) {
01835                 st->st_mode = 0000;             /* XXX abuse st->st_mode */
01836                 rc = fsmNext(fsm, FSM_MKFIFO);
01837                 st->st_mode = st_mode;  /* XXX restore st->st_mode */
01838             }
01839         } else if (S_ISCHR(st->st_mode) ||
01840                    S_ISBLK(st->st_mode) ||
01841     /*@-unrecog@*/ S_ISSOCK(st->st_mode) /*@=unrecog@*/)
01842         {
01843             rc = fsmUNSAFE(fsm, FSM_VERIFY);
01844             if (rc == CPIOERR_ENOENT)
01845                 rc = fsmNext(fsm, FSM_MKNOD);
01846         } else {
01847             /* XXX Special case /dev/log, which shouldn't be packaged anyways */
01848             if (!IS_DEV_LOG(fsm->path))
01849                 rc = CPIOERR_UNKNOWN_FILETYPE;
01850         }
01851         if (!S_ISDIR(st->st_mode) && st->st_nlink > 1) {
01852             fsm->li->createdPath = fsm->li->linkIndex;
01853             rc = fsmMakeLinks(fsm);
01854         }
01855         break;
01856     case FSM_POST:
01857         break;
01858     case FSM_MKLINKS:
01859         rc = fsmMakeLinks(fsm);
01860         break;
01861     case FSM_NOTIFY:            /* XXX move from fsm to psm -> tsm */
01862         if (fsm->goal == FSM_PKGINSTALL || fsm->goal == FSM_PKGBUILD) {
01863             rpmts ts = fsmGetTs(fsm);
01864             rpmfi fi = fsmGetFi(fsm);
01865             void * ptr;
01866             unsigned int archivePos = fdGetCpioPos(fsm->cfd);
01867             if (archivePos > fi->archivePos) {
01868                 fi->archivePos = archivePos;
01869                 ptr = rpmtsNotify(ts, fi->te, RPMCALLBACK_INST_PROGRESS,
01870                         fi->archivePos, fi->archiveSize);
01871             }
01872         }
01873         break;
01874     case FSM_UNDO:
01875         if (fsm->postpone)
01876             break;
01877         if (fsm->goal == FSM_PKGINSTALL) {
01878             (void) fsmNext(fsm,
01879                 (S_ISDIR(st->st_mode) ? FSM_RMDIR : FSM_UNLINK));
01880 
01881 #ifdef  NOTYET  /* XXX remove only dirs just created, not all. */
01882             if (fsm->dnlx)
01883                 (void) fsmNext(fsm, FSM_RMDIRS);
01884 #endif
01885             errno = saveerrno;
01886         }
01887 /*@-boundswrite@*/
01888         if (fsm->failedFile && *fsm->failedFile == NULL)
01889             *fsm->failedFile = xstrdup(fsm->path);
01890 /*@=boundswrite@*/
01891         break;
01892     case FSM_FINI:
01893         if (!fsm->postpone && fsm->commit) {
01894             if (fsm->goal == FSM_PKGINSTALL)
01895                 rc = ((!S_ISDIR(st->st_mode) && st->st_nlink > 1)
01896                         ? fsmCommitLinks(fsm) : fsmNext(fsm, FSM_COMMIT));
01897             if (fsm->goal == FSM_PKGCOMMIT)
01898                 rc = fsmNext(fsm, FSM_COMMIT);
01899             if (fsm->goal == FSM_PKGERASE)
01900                 rc = fsmNext(fsm, FSM_COMMIT);
01901         }
01902         fsm->path = _free(fsm->path);
01903         fsm->opath = _free(fsm->opath);
01904 /*@-boundswrite@*/
01905         memset(st, 0, sizeof(*st));
01906         memset(ost, 0, sizeof(*ost));
01907 /*@=boundswrite@*/
01908         break;
01909     case FSM_COMMIT:
01910         /* Rename pre-existing modified or unmanaged file. */
01911         if (fsm->osuffix && fsm->diskchecked &&
01912           (fsm->exists || (fsm->goal == FSM_PKGINSTALL && S_ISREG(st->st_mode))))
01913         {
01914             const char * opath = fsm->opath;
01915             const char * path = fsm->path;
01916             fsm->opath = fsmFsPath(fsm, st, NULL, NULL);
01917             fsm->path = fsmFsPath(fsm, st, NULL, fsm->osuffix);
01918             rc = fsmNext(fsm, FSM_RENAME);
01919             if (!rc) {
01920                 rpmMessage(RPMMESS_WARNING, _("%s saved as %s\n"),
01921                                 (fsm->opath ? fsm->opath : ""),
01922                                 (fsm->path ? fsm->path : ""));
01923             }
01924             fsm->path = _free(fsm->path);
01925             fsm->path = path;
01926             fsm->opath = _free(fsm->opath);
01927             fsm->opath = opath;
01928         }
01929 
01930         /* Remove erased files. */
01931         if (fsm->goal == FSM_PKGERASE) {
01932             if (fsm->action == FA_ERASE) {
01933                 rpmfi fi = fsmGetFi(fsm);
01934                 if (S_ISDIR(st->st_mode)) {
01935                     rc = fsmNext(fsm, FSM_RMDIR);
01936                     if (!rc) break;
01937                     switch (rc) {
01938                     case CPIOERR_ENOENT: /* XXX rmdir("/") linux 2.2.x kernel hack */
01939                     case CPIOERR_ENOTEMPTY:
01940         /* XXX make sure that build side permits %missingok on directories. */
01941                         if (fsm->fflags & RPMFILE_MISSINGOK)
01942                             /*@innerbreak@*/ break;
01943 
01944                         /* XXX common error message. */
01945                         rpmError(
01946                             (strict_erasures ? RPMERR_RMDIR : RPMDEBUG_RMDIR),
01947                             _("%s rmdir of %s failed: Directory not empty\n"), 
01948                                 rpmfiTypeString(fi), fsm->path);
01949                         /*@innerbreak@*/ break;
01950                     default:
01951                         rpmError(
01952                             (strict_erasures ? RPMERR_RMDIR : RPMDEBUG_RMDIR),
01953                                 _("%s rmdir of %s failed: %s\n"),
01954                                 rpmfiTypeString(fi), fsm->path, strerror(errno));
01955                         /*@innerbreak@*/ break;
01956                     }
01957                 } else {
01958                     rc = fsmNext(fsm, FSM_UNLINK);
01959                     if (!rc) break;
01960                     switch (rc) {
01961                     case CPIOERR_ENOENT:
01962                         if (fsm->fflags & RPMFILE_MISSINGOK)
01963                             /*@innerbreak@*/ break;
01964                         /*@fallthrough@*/
01965                     default:
01966                         rpmError(
01967                             (strict_erasures ? RPMERR_UNLINK : RPMDEBUG_UNLINK),
01968                                 _("%s unlink of %s failed: %s\n"),
01969                                 rpmfiTypeString(fi), fsm->path, strerror(errno));
01970                         /*@innerbreak@*/ break;
01971                     }
01972                 }
01973             }
01974             /* XXX Failure to remove is not (yet) cause for failure. */
01975             if (!strict_erasures) rc = 0;
01976             break;
01977         }
01978 
01979         /* XXX Special case /dev/log, which shouldn't be packaged anyways */
01980         if (!S_ISSOCK(st->st_mode) && !IS_DEV_LOG(fsm->path)) {
01981             /* Rename temporary to final file name. */
01982             if (!S_ISDIR(st->st_mode) &&
01983                 (fsm->subdir || fsm->suffix || fsm->nsuffix))
01984             {
01985                 fsm->opath = fsm->path;
01986                 fsm->path = fsmFsPath(fsm, st, NULL, fsm->nsuffix);
01987                 rc = fsmNext(fsm, FSM_RENAME);
01988                 if (!rc && fsm->nsuffix) {
01989                     const char * opath = fsmFsPath(fsm, st, NULL, NULL);
01990                     rpmMessage(RPMMESS_WARNING, _("%s created as %s\n"),
01991                                 (opath ? opath : ""),
01992                                 (fsm->path ? fsm->path : ""));
01993                     opath = _free(opath);
01994                 }
01995                 fsm->opath = _free(fsm->opath);
01996             }
01997             /*
01998              * Set file security context (if not disabled).
01999              */
02000             if (!rc && !getuid()) {
02001                 rc = fsmMapFContext(fsm);
02002                 if (!rc)
02003                     rc = fsmNext(fsm, FSM_LSETFCON);
02004                 fsm->fcontext = NULL;
02005             }
02006             if (S_ISLNK(st->st_mode)) {
02007                 if (!rc && !getuid())
02008                     rc = fsmNext(fsm, FSM_LCHOWN);
02009             } else {
02010                 if (!rc && !getuid())
02011                     rc = fsmNext(fsm, FSM_CHOWN);
02012                 if (!rc)
02013                     rc = fsmNext(fsm, FSM_CHMOD);
02014                 if (!rc) {
02015                     time_t mtime = st->st_mtime;
02016                     rpmfi fi = fsmGetFi(fsm);
02017                     if (fi->fmtimes)
02018                         st->st_mtime = fi->fmtimes[fsm->ix];
02019                     rc = fsmNext(fsm, FSM_UTIME);
02020                     st->st_mtime = mtime;
02021                 }
02022             }
02023         }
02024 
02025         /* Notify on success. */
02026         if (!rc)                rc = fsmNext(fsm, FSM_NOTIFY);
02027         else if (fsm->failedFile && *fsm->failedFile == NULL) {
02028 /*@-boundswrite@*/
02029             *fsm->failedFile = fsm->path;
02030 /*@=boundswrite@*/
02031             fsm->path = NULL;
02032         }
02033         break;
02034     case FSM_DESTROY:
02035         fsm->path = _free(fsm->path);
02036 
02037         /* Check for hard links missing from payload. */
02038         while ((fsm->li = fsm->links) != NULL) {
02039             fsm->links = fsm->li->next;
02040             fsm->li->next = NULL;
02041             if (fsm->goal == FSM_PKGINSTALL &&
02042                         fsm->commit && fsm->li->linksLeft)
02043             {
02044                 for (i = 0 ; i < fsm->li->linksLeft; i++) {
02045                     if (fsm->li->filex[i] < 0)
02046                         /*@innercontinue@*/ continue;
02047                     rc = CPIOERR_MISSING_HARDLINK;
02048                     if (fsm->failedFile && *fsm->failedFile == NULL) {
02049                         fsm->ix = fsm->li->filex[i];
02050                         if (!fsmNext(fsm, FSM_MAP)) {
02051 /*@-boundswrite@*/
02052                             *fsm->failedFile = fsm->path;
02053 /*@=boundswrite@*/
02054                             fsm->path = NULL;
02055                         }
02056                     }
02057                     /*@loopbreak@*/ break;
02058                 }
02059             }
02060             if (fsm->goal == FSM_PKGBUILD &&
02061                 (fsm->mapFlags & CPIO_ALL_HARDLINKS))
02062             {
02063                 rc = CPIOERR_MISSING_HARDLINK;
02064             }
02065             fsm->li = freeHardLink(fsm->li);
02066         }
02067         fsm->ldn = _free(fsm->ldn);
02068         fsm->ldnalloc = fsm->ldnlen = 0;
02069         fsm->rdbuf = fsm->rdb = _free(fsm->rdb);
02070         fsm->wrbuf = fsm->wrb = _free(fsm->wrb);
02071         break;
02072     case FSM_VERIFY:
02073         if (fsm->diskchecked && !fsm->exists) {
02074             rc = CPIOERR_ENOENT;
02075             break;
02076         }
02077         if (S_ISREG(st->st_mode)) {
02078             char * path = alloca(strlen(fsm->path) + sizeof("-RPMDELETE"));
02079 /*@-boundswrite@*/
02080             (void) stpcpy( stpcpy(path, fsm->path), "-RPMDELETE");
02081 /*@=boundswrite@*/
02082             /*
02083              * XXX HP-UX (and other os'es) don't permit unlink on busy
02084              * XXX files.
02085              */
02086             fsm->opath = fsm->path;
02087             fsm->path = path;
02088             rc = fsmNext(fsm, FSM_RENAME);
02089             if (!rc)
02090                     (void) fsmNext(fsm, FSM_UNLINK);
02091             else
02092                     rc = CPIOERR_UNLINK_FAILED;
02093             fsm->path = fsm->opath;
02094             fsm->opath = NULL;
02095             return (rc ? rc : CPIOERR_ENOENT);  /* XXX HACK */
02096             /*@notreached@*/ break;
02097         } else if (S_ISDIR(st->st_mode)) {
02098             if (S_ISDIR(ost->st_mode))          return 0;
02099             if (S_ISLNK(ost->st_mode)) {
02100                 rc = fsmUNSAFE(fsm, FSM_STAT);
02101                 if (rc == CPIOERR_ENOENT) rc = 0;
02102                 if (rc) break;
02103                 errno = saveerrno;
02104                 if (S_ISDIR(ost->st_mode))      return 0;
02105             }
02106         } else if (S_ISLNK(st->st_mode)) {
02107             if (S_ISLNK(ost->st_mode)) {
02108         /* XXX NUL terminated result in fsm->rdbuf, len in fsm->rdnb. */
02109                 rc = fsmUNSAFE(fsm, FSM_READLINK);
02110                 errno = saveerrno;
02111                 if (rc) break;
02112                 if (!strcmp(fsm->opath, fsm->rdbuf))    return 0;
02113             }
02114         } else if (S_ISFIFO(st->st_mode)) {
02115             if (S_ISFIFO(ost->st_mode))         return 0;
02116         } else if (S_ISCHR(st->st_mode) || S_ISBLK(st->st_mode)) {
02117             if ((S_ISCHR(ost->st_mode) || S_ISBLK(ost->st_mode)) &&
02118                 (ost->st_rdev == st->st_rdev))  return 0;
02119         } else if (S_ISSOCK(st->st_mode)) {
02120             if (S_ISSOCK(ost->st_mode))         return 0;
02121         }
02122             /* XXX shouldn't do this with commit/undo. */
02123         rc = 0;
02124         if (fsm->stage == FSM_PROCESS) rc = fsmNext(fsm, FSM_UNLINK);
02125         if (rc == 0)    rc = CPIOERR_ENOENT;
02126         return (rc ? rc : CPIOERR_ENOENT);      /* XXX HACK */
02127         /*@notreached@*/ break;
02128 
02129     case FSM_UNLINK:
02130         rc = Unlink(fsm->path);
02131         if (_fsm_debug && (stage & FSM_SYSCALL))
02132             rpmMessage(RPMMESS_DEBUG, " %8s (%s) %s\n", cur,
02133                 fsm->path, (rc < 0 ? strerror(errno) : ""));
02134         if (rc < 0)
02135             rc = (errno == ENOENT ? CPIOERR_ENOENT : CPIOERR_UNLINK_FAILED);
02136         break;
02137     case FSM_RENAME:
02138         rc = Rename(fsm->opath, fsm->path);
02139 #if defined(ETXTBSY)
02140         if (rc && errno == ETXTBSY) {
02141             char * path = alloca(strlen(fsm->path) + sizeof("-RPMDELETE"));
02142             (void) stpcpy( stpcpy(path, fsm->path), "-RPMDELETE");
02143             /*
02144              * XXX HP-UX (and other os'es) don't permit rename to busy
02145              * XXX files.
02146              */
02147             rc = Rename(fsm->path, path);
02148             if (!rc) rc = Rename(fsm->opath, fsm->path);
02149         }
02150 #endif
02151         if (_fsm_debug && (stage & FSM_SYSCALL))
02152             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %s) %s\n", cur,
02153                 fsm->opath, fsm->path, (rc < 0 ? strerror(errno) : ""));
02154         if (rc < 0)     rc = CPIOERR_RENAME_FAILED;
02155         break;
02156     case FSM_MKDIR:
02157         rc = Mkdir(fsm->path, (st->st_mode & 07777));
02158         if (_fsm_debug && (stage & FSM_SYSCALL))
02159             rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0%04o) %s\n", cur,
02160                 fsm->path, (unsigned)(st->st_mode & 07777),
02161                 (rc < 0 ? strerror(errno) : ""));
02162         if (rc < 0)     rc = CPIOERR_MKDIR_FAILED;
02163         break;
02164     case FSM_RMDIR:
02165         rc = Rmdir(fsm->path);
02166         if (_fsm_debug && (stage & FSM_SYSCALL))
02167             rpmMessage(RPMMESS_DEBUG, " %8s (%s) %s\n", cur,
02168                 fsm->path, (rc < 0 ? strerror(errno) : ""));
02169         if (rc < 0)
02170             switch (errno) {
02171             case ENOENT:        rc = CPIOERR_ENOENT;    /*@switchbreak@*/ break;
02172             case ENOTEMPTY:     rc = CPIOERR_ENOTEMPTY; /*@switchbreak@*/ break;
02173             default:            rc = CPIOERR_RMDIR_FAILED; /*@switchbreak@*/ break;
02174             }
02175         break;
02176     case FSM_LSETFCON:
02177         if (fsm->fcontext == NULL || *fsm->fcontext == '\0'
02178          || !strcmp(fsm->fcontext, "<<none>>"))
02179             break;
02180         rc = lsetfilecon(fsm->path, (security_context_t)fsm->fcontext);
02181         if (_fsm_debug && (stage & FSM_SYSCALL))
02182             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %s) %s\n", cur,
02183                 fsm->path, fsm->fcontext,
02184                 (rc < 0 ? strerror(errno) : ""));
02185         if (rc < 0) rc = (errno == EOPNOTSUPP ? 0 : CPIOERR_LSETFCON_FAILED);
02186         break;
02187     case FSM_CHOWN:
02188         rc = chown(fsm->path, st->st_uid, st->st_gid);
02189         if (_fsm_debug && (stage & FSM_SYSCALL))
02190             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %d, %d) %s\n", cur,
02191                 fsm->path, (int)st->st_uid, (int)st->st_gid,
02192                 (rc < 0 ? strerror(errno) : ""));
02193         if (rc < 0)     rc = CPIOERR_CHOWN_FAILED;
02194         break;
02195     case FSM_LCHOWN:
02196 #if ! CHOWN_FOLLOWS_SYMLINK
02197         rc = lchown(fsm->path, st->st_uid, st->st_gid);
02198         if (_fsm_debug && (stage & FSM_SYSCALL))
02199             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %d, %d) %s\n", cur,
02200                 fsm->path, (int)st->st_uid, (int)st->st_gid,
02201                 (rc < 0 ? strerror(errno) : ""));
02202         if (rc < 0)     rc = CPIOERR_CHOWN_FAILED;
02203 #endif
02204         break;
02205     case FSM_CHMOD:
02206         rc = chmod(fsm->path, (st->st_mode & 07777));
02207         if (_fsm_debug && (stage & FSM_SYSCALL))
02208             rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0%04o) %s\n", cur,
02209                 fsm->path, (unsigned)(st->st_mode & 07777),
02210                 (rc < 0 ? strerror(errno) : ""));
02211         if (rc < 0)     rc = CPIOERR_CHMOD_FAILED;
02212         break;
02213     case FSM_UTIME:
02214         {   struct utimbuf stamp;
02215             stamp.actime = st->st_mtime;
02216             stamp.modtime = st->st_mtime;
02217             rc = utime(fsm->path, &stamp);
02218             if (_fsm_debug && (stage & FSM_SYSCALL))
02219                 rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0x%x) %s\n", cur,
02220                         fsm->path, (unsigned)st->st_mtime,
02221                         (rc < 0 ? strerror(errno) : ""));
02222             if (rc < 0) rc = CPIOERR_UTIME_FAILED;
02223         }
02224         break;
02225     case FSM_SYMLINK:
02226         rc = symlink(fsm->opath, fsm->path);
02227         if (_fsm_debug && (stage & FSM_SYSCALL))
02228             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %s) %s\n", cur,
02229                 fsm->opath, fsm->path, (rc < 0 ? strerror(errno) : ""));
02230         if (rc < 0)     rc = CPIOERR_SYMLINK_FAILED;
02231         break;
02232     case FSM_LINK:
02233         rc = Link(fsm->opath, fsm->path);
02234         if (_fsm_debug && (stage & FSM_SYSCALL))
02235             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %s) %s\n", cur,
02236                 fsm->opath, fsm->path, (rc < 0 ? strerror(errno) : ""));
02237         if (rc < 0)     rc = CPIOERR_LINK_FAILED;
02238         break;
02239     case FSM_MKFIFO:
02240         rc = mkfifo(fsm->path, (st->st_mode & 07777));
02241         if (_fsm_debug && (stage & FSM_SYSCALL))
02242             rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0%04o) %s\n", cur,
02243                 fsm->path, (unsigned)(st->st_mode & 07777),
02244                 (rc < 0 ? strerror(errno) : ""));
02245         if (rc < 0)     rc = CPIOERR_MKFIFO_FAILED;
02246         break;
02247     case FSM_MKNOD:
02248         /*@-unrecog -portability @*/ /* FIX: check S_IFIFO or dev != 0 */
02249         rc = mknod(fsm->path, (st->st_mode & ~07777), st->st_rdev);
02250         /*@=unrecog =portability @*/
02251         if (_fsm_debug && (stage & FSM_SYSCALL))
02252             rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0%o, 0x%x) %s\n", cur,
02253                 fsm->path, (unsigned)(st->st_mode & ~07777),
02254                 (unsigned)st->st_rdev,
02255                 (rc < 0 ? strerror(errno) : ""));
02256         if (rc < 0)     rc = CPIOERR_MKNOD_FAILED;
02257         break;
02258     case FSM_LSTAT:
02259         rc = Lstat(fsm->path, ost);
02260         if (_fsm_debug && (stage & FSM_SYSCALL) && rc && errno != ENOENT)
02261             rpmMessage(RPMMESS_DEBUG, " %8s (%s, ost) %s\n", cur,
02262                 fsm->path, (rc < 0 ? strerror(errno) : ""));
02263         if (rc < 0) {
02264             rc = (errno == ENOENT ? CPIOERR_ENOENT : CPIOERR_LSTAT_FAILED);
02265             memset(ost, 0, sizeof(*ost));       /* XXX s390x hackery */
02266         }
02267         break;
02268     case FSM_STAT:
02269         rc = Stat(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_STAT_FAILED);
02275             memset(ost, 0, sizeof(*ost));       /* XXX s390x hackery */
02276         }
02277         break;
02278     case FSM_READLINK:
02279         /* XXX NUL terminated result in fsm->rdbuf, len in fsm->rdnb. */
02280 /*@-boundswrite@*/
02281         rc = Readlink(fsm->path, fsm->rdbuf, fsm->rdsize - 1);
02282 /*@=boundswrite@*/
02283         if (_fsm_debug && (stage & FSM_SYSCALL))
02284             rpmMessage(RPMMESS_DEBUG, " %8s (%s, rdbuf, %d) %s\n", cur,
02285                 fsm->path, (int)(fsm->rdsize -1), (rc < 0 ? strerror(errno) : ""));
02286         if (rc < 0)     rc = CPIOERR_READLINK_FAILED;
02287         else {
02288             fsm->rdnb = rc;
02289 /*@-boundswrite@*/
02290             fsm->rdbuf[fsm->rdnb] = '\0';
02291 /*@=boundswrite@*/
02292             rc = 0;
02293         }
02294         break;
02295     case FSM_CHROOT:
02296         break;
02297 
02298     case FSM_NEXT:
02299         rc = fsmUNSAFE(fsm, FSM_HREAD);
02300         if (rc) break;
02301         if (!strcmp(fsm->path, CPIO_TRAILER)) { /* Detect end-of-payload. */
02302             fsm->path = _free(fsm->path);
02303             rc = CPIOERR_HDR_TRAILER;
02304         }
02305         if (!rc)
02306             rc = fsmNext(fsm, FSM_POS);
02307         break;
02308     case FSM_EAT:
02309         for (left = st->st_size; left > 0; left -= fsm->rdnb) {
02310             fsm->wrlen = (left > fsm->wrsize ? fsm->wrsize : left);
02311             rc = fsmNext(fsm, FSM_DREAD);
02312             if (rc)
02313                 /*@loopbreak@*/ break;
02314         }
02315         break;
02316     case FSM_POS:
02317         left = (modulo - (fdGetCpioPos(fsm->cfd) % modulo)) % modulo;
02318         if (left) {
02319             fsm->wrlen = left;
02320             (void) fsmNext(fsm, FSM_DREAD);
02321         }
02322         break;
02323     case FSM_PAD:
02324         left = (modulo - (fdGetCpioPos(fsm->cfd) % modulo)) % modulo;
02325         if (left) {
02326 /*@-boundswrite@*/
02327             memset(fsm->rdbuf, 0, left);
02328 /*@=boundswrite@*/
02329             /* XXX DWRITE uses rdnb for I/O length. */
02330             fsm->rdnb = left;
02331             (void) fsmNext(fsm, FSM_DWRITE);
02332         }
02333         break;
02334     case FSM_TRAILER:
02335         rc = cpioTrailerWrite(fsm);
02336         break;
02337     case FSM_HREAD:
02338         rc = fsmNext(fsm, FSM_POS);
02339         if (!rc)
02340             rc = cpioHeaderRead(fsm, st);       /* Read next payload header. */
02341         break;
02342     case FSM_HWRITE:
02343         rc = cpioHeaderWrite(fsm, st);          /* Write next payload header. */
02344         break;
02345     case FSM_DREAD:
02346 /*@-boundswrite@*/
02347         fsm->rdnb = Fread(fsm->wrbuf, sizeof(*fsm->wrbuf), fsm->wrlen, fsm->cfd);
02348 /*@=boundswrite@*/
02349         if (_fsm_debug && (stage & FSM_SYSCALL))
02350             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %d, cfd)\trdnb %d\n",
02351                 cur, (fsm->wrbuf == fsm->wrb ? "wrbuf" : "mmap"),
02352                 (int)fsm->wrlen, (int)fsm->rdnb);
02353         if (fsm->rdnb != fsm->wrlen || Ferror(fsm->cfd))
02354             rc = CPIOERR_READ_FAILED;
02355         if (fsm->rdnb > 0)
02356             fdSetCpioPos(fsm->cfd, fdGetCpioPos(fsm->cfd) + fsm->rdnb);
02357         break;
02358     case FSM_DWRITE:
02359         fsm->wrnb = Fwrite(fsm->rdbuf, sizeof(*fsm->rdbuf), fsm->rdnb, fsm->cfd);
02360         if (_fsm_debug && (stage & FSM_SYSCALL))
02361             rpmMessage(RPMMESS_DEBUG, " %8s (%s, %d, cfd)\twrnb %d\n",
02362                 cur, (fsm->rdbuf == fsm->rdb ? "rdbuf" : "mmap"),
02363                 (int)fsm->rdnb, (int)fsm->wrnb);
02364         if (fsm->rdnb != fsm->wrnb || Ferror(fsm->cfd))
02365             rc = CPIOERR_WRITE_FAILED;
02366         if (fsm->wrnb > 0)
02367             fdSetCpioPos(fsm->cfd, fdGetCpioPos(fsm->cfd) + fsm->wrnb);
02368         break;
02369 
02370     case FSM_ROPEN:
02371         fsm->rfd = Fopen(fsm->path, "r.ufdio");
02372         if (fsm->rfd == NULL || Ferror(fsm->rfd)) {
02373             if (fsm->rfd != NULL)       (void) fsmNext(fsm, FSM_RCLOSE);
02374             fsm->rfd = NULL;
02375             rc = CPIOERR_OPEN_FAILED;
02376             break;
02377         }
02378         if (_fsm_debug && (stage & FSM_SYSCALL))
02379             rpmMessage(RPMMESS_DEBUG, " %8s (%s, \"r\") rfd %p rdbuf %p\n", cur,
02380                 fsm->path, fsm->rfd, fsm->rdbuf);
02381         break;
02382     case FSM_READ:
02383 /*@-boundswrite@*/
02384         fsm->rdnb = Fread(fsm->rdbuf, sizeof(*fsm->rdbuf), fsm->rdlen, fsm->rfd);
02385 /*@=boundswrite@*/
02386         if (_fsm_debug && (stage & FSM_SYSCALL))
02387             rpmMessage(RPMMESS_DEBUG, " %8s (rdbuf, %d, rfd)\trdnb %d\n",
02388                 cur, (int)fsm->rdlen, (int)fsm->rdnb);
02389         if (fsm->rdnb != fsm->rdlen || Ferror(fsm->rfd))
02390             rc = CPIOERR_READ_FAILED;
02391         break;
02392     case FSM_RCLOSE:
02393         if (fsm->rfd != NULL) {
02394             if (_fsm_debug && (stage & FSM_SYSCALL))
02395                 rpmMessage(RPMMESS_DEBUG, " %8s (%p)\n", cur, fsm->rfd);
02396             (void) rpmswAdd(rpmtsOp(fsmGetTs(fsm), RPMTS_OP_DIGEST),
02397                         fdstat_op(fsm->rfd, FDSTAT_DIGEST));
02398             (void) Fclose(fsm->rfd);
02399             errno = saveerrno;
02400         }
02401         fsm->rfd = NULL;
02402         break;
02403     case FSM_WOPEN:
02404         fsm->wfd = Fopen(fsm->path, "w.ufdio");
02405         if (fsm->wfd == NULL || Ferror(fsm->wfd)) {
02406             if (fsm->wfd != NULL)       (void) fsmNext(fsm, FSM_WCLOSE);
02407             fsm->wfd = NULL;
02408             rc = CPIOERR_OPEN_FAILED;
02409         }
02410         if (_fsm_debug && (stage & FSM_SYSCALL))
02411             rpmMessage(RPMMESS_DEBUG, " %8s (%s, \"w\") wfd %p wrbuf %p\n", cur,
02412                 fsm->path, fsm->wfd, fsm->wrbuf);
02413         break;
02414     case FSM_WRITE:
02415         fsm->wrnb = Fwrite(fsm->wrbuf, sizeof(*fsm->wrbuf), fsm->rdnb, fsm->wfd);
02416         if (_fsm_debug && (stage & FSM_SYSCALL))
02417             rpmMessage(RPMMESS_DEBUG, " %8s (wrbuf, %d, wfd)\twrnb %d\n",
02418                 cur, (int)fsm->rdnb, (int)fsm->wrnb);
02419         if (fsm->rdnb != fsm->wrnb || Ferror(fsm->wfd))
02420             rc = CPIOERR_WRITE_FAILED;
02421         break;
02422     case FSM_WCLOSE:
02423         if (fsm->wfd != NULL) {
02424             if (_fsm_debug && (stage & FSM_SYSCALL))
02425                 rpmMessage(RPMMESS_DEBUG, " %8s (%p)\n", cur, fsm->wfd);
02426             (void) rpmswAdd(rpmtsOp(fsmGetTs(fsm), RPMTS_OP_DIGEST),
02427                         fdstat_op(fsm->wfd, FDSTAT_DIGEST));
02428             (void) Fclose(fsm->wfd);
02429             errno = saveerrno;
02430         }
02431         fsm->wfd = NULL;
02432         break;
02433 
02434     default:
02435         break;
02436     }
02437     /*@=branchstate@*/
02438 
02439     if (!(stage & FSM_INTERNAL)) {
02440         fsm->rc = (rc == CPIOERR_HDR_TRAILER ? 0 : rc);
02441     }
02442     return rc;
02443 }
02444 /*@=compmempass@*/
02445 /*@=boundsread@*/
02446 
02447 /*@obserever@*/ const char *const fileActionString(fileAction a)
02448 {
02449     switch (a) {
02450     case FA_UNKNOWN:    return "unknown";
02451     case FA_CREATE:     return "create";
02452     case FA_COPYOUT:    return "copyout";
02453     case FA_COPYIN:     return "copyin";
02454     case FA_BACKUP:     return "backup";
02455     case FA_SAVE:       return "save";
02456     case FA_SKIP:       return "skip";
02457     case FA_ALTNAME:    return "altname";
02458     case FA_ERASE:      return "erase";
02459     case FA_SKIPNSTATE: return "skipnstate";
02460     case FA_SKIPNETSHARED: return "skipnetshared";
02461     case FA_SKIPCOLOR:  return "skipcolor";
02462     default:            return "???";
02463     }
02464     /*@notreached@*/
02465 }
02466 
02467 /*@observer@*/ const char *const fileStageString(fileStage a) {
02468     switch(a) {
02469     case FSM_UNKNOWN:   return "unknown";
02470 
02471     case FSM_PKGINSTALL:return "INSTALL";
02472     case FSM_PKGERASE:  return "ERASE";
02473     case FSM_PKGBUILD:  return "BUILD";
02474     case FSM_PKGCOMMIT: return "COMMIT";
02475     case FSM_PKGUNDO:   return "UNDO";
02476 
02477     case FSM_CREATE:    return "create";
02478     case FSM_INIT:      return "init";
02479     case FSM_MAP:       return "map";
02480     case FSM_MKDIRS:    return "mkdirs";
02481     case FSM_RMDIRS:    return "rmdirs";
02482     case FSM_PRE:       return "pre";
02483     case FSM_PROCESS:   return "process";
02484     case FSM_POST:      return "post";
02485     case FSM_MKLINKS:   return "mklinks";
02486     case FSM_NOTIFY:    return "notify";
02487     case FSM_UNDO:      return "undo";
02488     case FSM_FINI:      return "fini";
02489     case FSM_COMMIT:    return "commit";
02490     case FSM_DESTROY:   return "destroy";
02491     case FSM_VERIFY:    return "verify";
02492 
02493     case FSM_UNLINK:    return "Unlink";
02494     case FSM_RENAME:    return "Rename";
02495     case FSM_MKDIR:     return "Mkdir";
02496     case FSM_RMDIR:     return "rmdir";
02497     case FSM_LSETFCON:  return "lsetfcon";
02498     case FSM_CHOWN:     return "chown";
02499     case FSM_LCHOWN:    return "lchown";
02500     case FSM_CHMOD:     return "chmod";
02501     case FSM_UTIME:     return "utime";
02502     case FSM_SYMLINK:   return "symlink";
02503     case FSM_LINK:      return "Link";
02504     case FSM_MKFIFO:    return "mkfifo";
02505     case FSM_MKNOD:     return "mknod";
02506     case FSM_LSTAT:     return "Lstat";
02507     case FSM_STAT:      return "Stat";
02508     case FSM_READLINK:  return "Readlink";
02509     case FSM_CHROOT:    return "chroot";
02510 
02511     case FSM_NEXT:      return "next";
02512     case FSM_EAT:       return "eat";
02513     case FSM_POS:       return "pos";
02514     case FSM_PAD:       return "pad";
02515     case FSM_TRAILER:   return "trailer";
02516     case FSM_HREAD:     return "hread";
02517     case FSM_HWRITE:    return "hwrite";
02518     case FSM_DREAD:     return "Fread";
02519     case FSM_DWRITE:    return "Fwrite";
02520 
02521     case FSM_ROPEN:     return "Fopen";
02522     case FSM_READ:      return "Fread";
02523     case FSM_RCLOSE:    return "Fclose";
02524     case FSM_WOPEN:     return "Fopen";
02525     case FSM_WRITE:     return "Fwrite";
02526     case FSM_WCLOSE:    return "Fclose";
02527 
02528     default:            return "???";
02529     }
02530     /*@noteached@*/
02531 }

Generated on Mon Mar 5 14:30:57 2007 for rpm by  doxygen 1.5.1