3 * File state machine to handle a payload from a package.
17 /*@access transactionElement @*/
18 /*@access rpmTransactionSet @*/
20 #define alloca_strdup(_s) strcpy(alloca(strlen(_s)+1), (_s))
25 /* XXX Failure to remove is not (yet) cause for failure. */
26 /*@-exportlocal -exportheadervar@*/
28 int strict_erasures = 0;
29 /*@=exportlocal =exportheadervar@*/
31 rpmTransactionSet fsmGetTs(const FSM_t fsm) {
32 const FSMI_t iter = fsm->iter;
33 /*@-compdef -refcounttrans -retexpose -usereleased @*/
34 return (iter ? iter->ts : NULL);
35 /*@=compdef =refcounttrans =retexpose =usereleased @*/
38 TFI_t fsmGetFi(const FSM_t fsm)
40 const FSMI_t iter = fsm->iter;
41 /*@-compdef -refcounttrans -retexpose -usereleased @*/
42 return (iter ? iter->fi : NULL);
43 /*@=compdef =refcounttrans =retexpose =usereleased @*/
46 #define SUFFIX_RPMORIG ".rpmorig"
47 #define SUFFIX_RPMSAVE ".rpmsave"
48 #define SUFFIX_RPMNEW ".rpmnew"
51 * Build path to file from file info, ornamented with subdir and suffix.
52 * @param fsm file state machine data
53 * @param st file stat info
54 * @param subdir subdir to use (NULL disables)
55 * @param suffix suffix to use (NULL disables)
56 * @retval path to file
58 static /*@only@*//*@null@*/
59 const char * fsmFsPath(/*@special@*/ /*@null@*/ const FSM_t fsm,
60 /*@null@*/ const struct stat * st,
61 /*@null@*/ const char * subdir,
62 /*@null@*/ const char * suffix)
63 /*@uses fsm->dirName, fsm->baseName */
66 const char * s = NULL;
71 nb = strlen(fsm->dirName) +
72 (st && !S_ISDIR(st->st_mode) ? (subdir ? strlen(subdir) : 0) : 0) +
73 (st && !S_ISDIR(st->st_mode) ? (suffix ? strlen(suffix) : 0) : 0) +
74 strlen(fsm->baseName) + 1;
76 t = stpcpy(t, fsm->dirName);
77 if (st && !S_ISDIR(st->st_mode))
78 if (subdir) t = stpcpy(t, subdir);
79 t = stpcpy(t, fsm->baseName);
80 if (st && !S_ISDIR(st->st_mode))
81 if (suffix) t = stpcpy(t, suffix);
87 * Destroy file info iterator.
88 * @param p file info iterator
91 static /*@null@*/ void * mapFreeIterator(/*@only@*//*@null@*/ void * p)
96 iter->ts = rpmtsUnlink(iter->ts, "mapIterator");
97 iter->fi = rpmfiUnlink(iter->fi, "mapIterator");
103 * Create file info iterator.
104 * @param a transaction set
105 * @param b transaction element file info
106 * @return file info iterator
109 mapInitIterator(rpmTransactionSet ts, TFI_t fi)
110 /*@modifies ts, fi @*/
114 iter = xcalloc(1, sizeof(*iter));
115 iter->ts = rpmtsLink(ts, "mapIterator");
116 iter->fi = rpmfiLink(fi, "mapIterator");
117 iter->reverse = (fi->te->type == TR_REMOVED && fi->action != FA_COPYOUT);
118 iter->i = (iter->reverse ? (fi->fc - 1) : 0);
119 iter->isave = iter->i;
124 * Return next index into file info.
125 * @param a file info iterator
126 * @return next index, -1 on termination
128 static int mapNextIterator(/*@null@*/ void * a)
135 const TFI_t fi = iter->fi;
137 if (iter->i >= 0) i = iter->i--;
139 if (iter->i < fi->fc) i = iter->i++;
148 static int cpioStrCmp(const void * a, const void * b)
151 const char * afn = *(const char **)a;
152 const char * bfn = *(const char **)b;
154 /* Match rpm-4.0 payloads with ./ prefixes. */
155 if (afn[0] == '.' && afn[1] == '/') afn += 2;
156 if (bfn[0] == '.' && bfn[1] == '/') bfn += 2;
158 /* If either path is absolute, make it relative. */
159 if (afn[0] == '/') afn += 1;
160 if (bfn[0] == '/') bfn += 1;
162 return strcmp(afn, bfn);
166 * Locate archive path in file info.
167 * @param iter file info iterator
168 * @param fsmPath archive path
169 * @return index into file info, -1 if archive path was not found
171 static int mapFind(/*@null@*/ FSMI_t iter, const char * fsmPath)
177 const TFI_t fi = iter->fi;
178 if (fi && fi->fc > 0 && fi->apath && fsmPath && *fsmPath) {
179 const char ** p = NULL;
181 if (fi->apath != NULL)
182 p = bsearch(&fsmPath, fi->apath, fi->fc, sizeof(fsmPath),
185 iter->i = p - fi->apath;
186 ix = mapNextIterator(iter);
194 * Directory name iterator.
196 typedef struct dnli_s {
198 /*@only@*/ /*@null@*/ char * active;
205 * Destroy directory name iterator.
206 * @param a directory name iterator
207 * @retval NULL always
209 static /*@null@*/ void * dnlFreeIterator(/*@only@*//*@null@*/ const void * a)
213 DNLI_t dnli = (void *)a;
214 if (dnli->active) free(dnli->active);
221 static inline int dnlCount(const DNLI_t dnli)
224 return (dnli ? dnli->fi->dc : 0);
229 static inline int dnlIndex(const DNLI_t dnli)
232 return (dnli ? dnli->isave : -1);
236 * Create directory name iterator.
237 * @param fsm file state machine data
238 * @param reverse traverse directory names in reverse order?
239 * @return directory name iterator
242 static /*@only@*/ void * dnlInitIterator(/*@special@*/ const FSM_t fsm,
244 /*@uses fsm->iter @*/
247 TFI_t fi = fsmGetFi(fsm);
253 dnli = xcalloc(1, sizeof(*dnli));
255 dnli->reverse = reverse;
257 dnli->i = (reverse ? fi->dc : 0);
261 dnli->active = xcalloc(fi->dc, sizeof(*dnli->active));
263 /* Identify parent directories not skipped. */
264 for (i = 0; i < fi->fc; i++)
265 if (!XFA_SKIPPING(fi->actions[i])) dnli->active[fi->dil[i]] = 1;
267 /* Exclude parent directories that are explicitly included. */
268 for (i = 0; i < fi->fc; i++) {
269 int dil, dnlen, bnlen;
271 if (!S_ISDIR(fi->fmodes[i]))
275 dnlen = strlen(fi->dnl[dil]);
276 bnlen = strlen(fi->bnl[i]);
278 for (j = 0; j < fi->dc; j++) {
282 if (!dnli->active[j] || j == dil)
283 /*@innercontinue@*/ continue;
286 if (jlen != (dnlen+bnlen+1))
287 /*@innercontinue@*/ continue;
288 if (strncmp(dnl, fi->dnl[dil], dnlen))
289 /*@innercontinue@*/ continue;
290 if (strncmp(dnl+dnlen, fi->bnl[i], bnlen))
291 /*@innercontinue@*/ continue;
292 if (dnl[dnlen+bnlen] != '/' || dnl[dnlen+bnlen+1] != '\0')
293 /*@innercontinue@*/ continue;
294 /* This directory is included in the package. */
296 /*@innerbreak@*/ break;
300 /* Print only once per package. */
303 for (i = 0; i < fi->dc; i++) {
304 if (!dnli->active[i]) continue;
307 rpmMessage(RPMMESS_DEBUG,
308 _("========== Directories not explictly included in package:\n"));
310 rpmMessage(RPMMESS_DEBUG, _("%10d %s\n"), i, fi->dnl[i]);
313 rpmMessage(RPMMESS_DEBUG, "==========\n");
321 * Return next directory name (from file info).
322 * @param dnli directory name iterator
323 * @return next directory name
325 static /*@observer@*/ const char * dnlNextIterator(/*@null@*/ DNLI_t dnli)
328 const char * dn = NULL;
336 i = (!dnli->reverse ? dnli->i++ : --dnli->i);
337 } while (i >= 0 && i < fi->dc && !dnli->active[i]);
339 if (i >= 0 && i < fi->dc)
349 * Save hard link in chain.
350 * @param fsm file state machine data
351 * @return Is chain only partially filled?
353 static int saveHardLink(/*@special@*/ /*@partial@*/ FSM_t fsm)
354 /*@uses fsm->links, fsm->ix, fsm->sb, fsm->goal, fsm->nsuffix @*/
355 /*@defines fsm->li @*/
356 /*@releases fsm->path @*/
357 /*@globals fileSystem@*/
358 /*@modifies fsm, fileSystem @*/
360 struct stat * st = &fsm->sb;
365 /* Find hard link set. */
367 for (fsm->li = fsm->links; fsm->li; fsm->li = fsm->li->next) {
368 if (fsm->li->sb.st_ino == st->st_ino && fsm->li->sb.st_dev == st->st_dev)
373 /* New hard link encountered, add new link to set. */
375 if (fsm->li == NULL) {
376 fsm->li = xcalloc(1, sizeof(*fsm->li));
377 fsm->li->next = NULL;
378 fsm->li->sb = *st; /* structure assignment */
379 fsm->li->nlink = st->st_nlink;
380 fsm->li->linkIndex = fsm->ix;
381 fsm->li->createdPath = -1;
383 fsm->li->filex = xcalloc(st->st_nlink, sizeof(fsm->li->filex[0]));
384 memset(fsm->li->filex, -1, (st->st_nlink * sizeof(fsm->li->filex[0])));
385 fsm->li->nsuffix = xcalloc(st->st_nlink, sizeof(*fsm->li->nsuffix));
387 if (fsm->goal == FSM_PKGBUILD)
388 fsm->li->linksLeft = st->st_nlink;
389 if (fsm->goal == FSM_PKGINSTALL)
390 fsm->li->linksLeft = 0;
393 fsm->li->next = fsm->links;
395 fsm->links = fsm->li;
399 if (fsm->goal == FSM_PKGBUILD) --fsm->li->linksLeft;
400 fsm->li->filex[fsm->li->linksLeft] = fsm->ix;
401 /*@-observertrans -dependenttrans@*/
402 fsm->li->nsuffix[fsm->li->linksLeft] = fsm->nsuffix;
403 /*@=observertrans =dependenttrans@*/
404 if (fsm->goal == FSM_PKGINSTALL) fsm->li->linksLeft++;
406 if (fsm->goal == FSM_PKGBUILD)
407 return (fsm->li->linksLeft > 0);
409 if (fsm->goal != FSM_PKGINSTALL)
412 if (!(st->st_size || fsm->li->linksLeft == st->st_nlink))
415 /* Here come the bits, time to choose a non-skipped file name. */
416 { TFI_t fi = fsmGetFi(fsm);
418 for (j = fsm->li->linksLeft - 1; j >= 0; j--) {
419 ix = fsm->li->filex[j];
420 if (ix < 0 || XFA_SKIPPING(fi->actions[ix]))
426 /* Are all links skipped or not encountered yet? */
428 return 1; /* XXX W2DO? */
430 /* Save the non-skipped file name and map index. */
431 fsm->li->linkIndex = j;
432 fsm->path = _free(fsm->path);
434 rc = fsmStage(fsm, FSM_MAP);
439 * Destroy set of hard links.
440 * @param li set of hard links
442 static /*@null@*/ void * freeHardLink(/*@only@*/ /*@null@*/ struct hardLink * li)
446 li->nsuffix = _free(li->nsuffix); /* XXX elements are shared */
447 li->filex = _free(li->filex);
454 FSM_t fsm = xcalloc(1, sizeof(*fsm));
458 FSM_t freeFSM(FSM_t fsm)
461 fsm->path = _free(fsm->path);
463 while ((fsm->li = fsm->links) != NULL) {
464 fsm->links = fsm->li->next;
465 fsm->li->next = NULL;
466 fsm->li = freeHardLink(fsm->li);
469 fsm->dnlx = _free(fsm->dnlx);
470 fsm->ldn = _free(fsm->ldn);
471 fsm->iter = mapFreeIterator(fsm->iter);
476 int fsmSetup(FSM_t fsm, fileStage goal,
477 const rpmTransactionSet ts, const TFI_t fi, FD_t cfd,
478 unsigned int * archiveSize, const char ** failedFile)
485 /*@-type@*/ /* FIX: cast? */
486 fsm->cfd = fdLink(cfd, "persist (fsm)");
488 pos = fdGetCpioPos(fsm->cfd);
489 fdSetCpioPos(fsm->cfd, 0);
491 fsm->iter = mapInitIterator(ts, fi);
493 if (fsm->goal == FSM_PKGINSTALL) {
494 if (ts && ts->notify) {
495 /*@-type@*/ /* FIX: cast? */
496 /*@-noeffectuncon @*/ /* FIX: check rc */
497 (void)ts->notify(fi->h, RPMCALLBACK_INST_START, 0, fi->archiveSize,
498 rpmfiGetKey(fi), ts->notifyData);
499 /*@=noeffectuncon @*/
505 fsm->archiveSize = archiveSize;
506 if (fsm->archiveSize)
507 *fsm->archiveSize = 0;
508 fsm->failedFile = failedFile;
510 *fsm->failedFile = NULL;
513 memset(fsm->sufbuf, 0, sizeof(fsm->sufbuf));
514 if (fsm->goal == FSM_PKGINSTALL) {
515 if (ts && ts->id > 0)
516 sprintf(fsm->sufbuf, ";%08x", (unsigned)ts->id);
520 rc = fsmStage(fsm, FSM_CREATE);
521 if (rc && !ec) ec = rc;
523 rc = fsmStage(fsm, fsm->goal);
524 if (rc && !ec) ec = rc;
526 if (fsm->archiveSize && ec == 0)
527 *fsm->archiveSize = (fdGetCpioPos(fsm->cfd) - pos);
532 int fsmTeardown(FSM_t fsm)
537 rc = fsmStage(fsm, FSM_DESTROY);
539 fsm->iter = mapFreeIterator(fsm->iter);
541 /*@-type@*/ /* FIX: cast? */
542 fsm->cfd = fdFree(fsm->cfd, "persist (fsm)");
546 fsm->failedFile = NULL;
550 int fsmMapPath(FSM_t fsm)
552 TFI_t fi = fsmGetFi(fsm); /* XXX const except for fstates */
559 fsm->action = FA_UNKNOWN;
563 if (fi && i >= 0 && i < fi->fc) {
565 fsm->astriplen = fi->astriplen;
566 fsm->action = (fi->actions ? fi->actions[i] : fi->action);
567 fsm->fflags = (fi->fflags ? fi->fflags[i] : fi->flags);
568 fsm->mapFlags = (fi->fmapflags ? fi->fmapflags[i] : fi->mapflags);
570 /* src rpms have simple base name in payload. */
571 fsm->dirName = fi->dnl[fi->dil[i]];
572 fsm->baseName = fi->bnl[i];
574 switch (fsm->action) {
577 case FA_SKIPMULTILIB: /* XXX RPMFILE_STATE_MULTILIB? */
586 assert(fi->te->type == TR_ADDED);
590 if (fi->fstates && fi->te->type == TR_ADDED)
591 fi->fstates[i] = RPMFILE_STATE_NOTINSTALLED;
594 case FA_SKIPNETSHARED:
595 if (fi->fstates && fi->te->type == TR_ADDED)
596 fi->fstates[i] = RPMFILE_STATE_NETSHARED;
600 if (!(fsm->fflags & RPMFILE_GHOST)) /* XXX Don't if %ghost file. */
601 switch (fi->te->type) {
603 fsm->osuffix = SUFFIX_RPMORIG;
604 /*@innerbreak@*/ break;
606 fsm->osuffix = SUFFIX_RPMSAVE;
607 /*@innerbreak@*/ break;
612 assert(fi->te->type == TR_ADDED);
613 if (!(fsm->fflags & RPMFILE_GHOST)) /* XXX Don't if %ghost file. */
614 fsm->nsuffix = SUFFIX_RPMNEW;
618 assert(fi->te->type == TR_ADDED);
619 if (!(fsm->fflags & RPMFILE_GHOST)) /* XXX Don't if %ghost file. */
620 fsm->osuffix = SUFFIX_RPMSAVE;
623 assert(fi->te->type == TR_REMOVED);
625 * XXX TODO: %ghost probably shouldn't be removed, but that changes
626 * legacy rpm behavior.
633 if ((fsm->mapFlags & CPIO_MAP_PATH) || fsm->nsuffix) {
634 const struct stat * st = &fsm->sb;
635 fsm->path = _free(fsm->path);
636 fsm->path = fsmFsPath(fsm, st, fsm->subdir,
637 (fsm->suffix ? fsm->suffix : fsm->nsuffix));
643 int fsmMapAttrs(FSM_t fsm)
645 struct stat * st = &fsm->sb;
646 TFI_t fi = fsmGetFi(fsm);
649 if (fi && i >= 0 && i < fi->fc) {
651 (S_ISDIR(st->st_mode) ? fi->dperms : fi->fperms);
653 (fi->fmodes ? fi->fmodes[i] : perms);
655 (fi->fuids ? fi->fuids[i] : fi->uid); /* XXX chmod u-s */
657 (fi->fgids ? fi->fgids[i] : fi->gid); /* XXX chmod g-s */
659 (fi->frdevs ? fi->frdevs[i] : 0);
661 (fi->fmtimes ? fi->fmtimes[i] : 0);
663 if (fsm->mapFlags & CPIO_MAP_MODE)
664 st->st_mode = (st->st_mode & S_IFMT) | (finalMode & ~S_IFMT);
665 if (fsm->mapFlags & CPIO_MAP_TYPE) {
666 st->st_mode = (st->st_mode & ~S_IFMT) | (finalMode & S_IFMT);
667 if ((S_ISCHR(st->st_mode) || S_ISBLK(st->st_mode))
668 && st->st_nlink == 0)
670 st->st_rdev = finalRdev;
671 st->st_mtime = finalMtime;
673 if (fsm->mapFlags & CPIO_MAP_UID)
674 st->st_uid = finalUid;
675 if (fsm->mapFlags & CPIO_MAP_GID)
676 st->st_gid = finalGid;
678 fsm->fmd5sum = (fi->fmd5s ? fi->fmd5s[i] : NULL);
679 fsm->md5sum = (fi->md5s ? (fi->md5s + (16 * i)) : NULL);
686 * Create file from payload stream.
687 * @param fsm file state machine data
688 * @return 0 on success
690 static int expandRegular(/*@special@*/ FSM_t fsm)
692 /*@globals fileSystem@*/
693 /*@modifies fsm, fileSystem @*/
695 const struct stat * st = &fsm->sb;
696 int left = st->st_size;
699 rc = fsmStage(fsm, FSM_WOPEN);
703 /* XXX md5sum's will break on repackaging that includes modified files. */
705 if (st->st_size > 0 && (fsm->fmd5sum || fsm->md5sum))
706 fdInitDigest(fsm->wfd, PGPHASHALGO_MD5, 0);
710 fsm->wrlen = (left > fsm->wrsize ? fsm->wrsize : left);
711 rc = fsmStage(fsm, FSM_DREAD);
715 rc = fsmStage(fsm, FSM_WRITE);
721 /* don't call this with fileSize == fileComplete */
723 (void) fsmStage(fsm, FSM_NOTIFY);
726 if (st->st_size > 0 && (fsm->fmd5sum || fsm->md5sum)) {
727 void * md5sum = NULL;
728 int asAscii = (fsm->md5sum == NULL ? 1 : 0);
730 (void) Fflush(fsm->wfd);
731 fdFiniDigest(fsm->wfd, PGPHASHALGO_MD5, &md5sum, NULL, asAscii);
733 if (md5sum == NULL) {
734 rc = CPIOERR_MD5SUM_MISMATCH;
738 if (fsm->md5sum != NULL) {
739 if (memcmp(md5sum, fsm->md5sum, 16))
740 rc = CPIOERR_MD5SUM_MISMATCH;
742 if (strcmp(md5sum, fsm->fmd5sum))
743 rc = CPIOERR_MD5SUM_MISMATCH;
745 md5sum = _free(md5sum);
749 (void) fsmStage(fsm, FSM_WCLOSE);
754 * Write next item to payload stream.
755 * @param fsm file state machine data
756 * @param writeData should data be written?
757 * @return 0 on success
759 static int writeFile(/*@special@*/ FSM_t fsm, int writeData)
760 /*@uses fsm->path, fsm->opath, fsm->sb, fsm->osb, fsm->cfd @*/
761 /*@globals fileSystem@*/
762 /*@modifies fsm, fileSystem @*/
764 const char * path = fsm->path;
765 const char * opath = fsm->opath;
766 struct stat * st = &fsm->sb;
767 struct stat * ost = &fsm->osb;
768 size_t pos = fdGetCpioPos(fsm->cfd);
769 char * symbuf = NULL;
774 st->st_size = (writeData ? ost->st_size : 0);
777 if (S_ISDIR(st->st_mode)) {
779 } else if (S_ISLNK(st->st_mode)) {
781 * While linux puts the size of a symlink in the st_size field,
782 * I don't think that's a specified standard.
784 /* XXX NUL terminated result in fsm->rdbuf, len in fsm->rdnb. */
785 rc = fsmStage(fsm, FSM_READLINK);
787 st->st_size = fsm->rdnb;
788 symbuf = alloca_strdup(fsm->rdbuf); /* XXX save readlink return. */
792 if (fsm->mapFlags & CPIO_MAP_ABSOLUTE) {
793 int nb = strlen(fsm->dirName) + strlen(fsm->baseName) + sizeof(".");
794 char * t = alloca(nb);
797 if (fsm->mapFlags & CPIO_MAP_ADDDOT)
799 t = stpcpy( stpcpy(t, fsm->dirName), fsm->baseName);
800 } else if (fsm->mapFlags & CPIO_MAP_PATH) {
801 TFI_t fi = fsmGetFi(fsm);
803 (fi->apath ? fi->apath[fsm->ix] + fi->striplen : fi->bnl[fsm->ix]);
806 rc = fsmStage(fsm, FSM_HWRITE);
810 if (writeData && S_ISREG(st->st_mode)) {
813 void * mapped = (void *)-1;
817 rc = fsmStage(fsm, FSM_ROPEN);
820 /* XXX unbuffered mmap generates *lots* of fdio debugging */
823 mapped = mmap(NULL, st->st_size, PROT_READ, MAP_SHARED, Fileno(fsm->rfd), 0);
824 if (mapped != (void *)-1) {
826 fsm->rdbuf = (char *) mapped;
827 fsm->rdlen = nmapped = st->st_size;
828 xx = madvise(mapped, nmapped, MADV_DONTNEED);
836 if (mapped != (void *)-1) {
841 fsm->rdlen = (left > fsm->rdsize ? fsm->rdsize : left),
842 rc = fsmStage(fsm, FSM_READ);
846 /* XXX DWRITE uses rdnb for I/O length. */
847 rc = fsmStage(fsm, FSM_DWRITE);
854 if (mapped != (void *)-1) {
855 xx = msync(mapped, nmapped, MS_ASYNC);
856 /*@-noeffect@*/ xx = munmap(mapped, nmapped) /*@=noeffect@*/;
861 } else if (writeData && S_ISLNK(st->st_mode)) {
862 /* XXX DWRITE uses rdnb for I/O length. */
863 strcpy(fsm->rdbuf, symbuf); /* XXX restore readlink buffer. */
864 fsm->rdnb = strlen(symbuf);
865 rc = fsmStage(fsm, FSM_DWRITE);
869 rc = fsmStage(fsm, FSM_PAD);
872 { const rpmTransactionSet ts = fsmGetTs(fsm);
873 TFI_t fi = fsmGetFi(fsm);
874 if (ts && ts->notify && fi) {
875 size_t size = (fdGetCpioPos(fsm->cfd) - pos);
876 /*@-type@*/ /* FIX: cast? */
877 /*@-noeffectuncon @*/ /* FIX: check rc */
878 (void)ts->notify(fi->h, RPMCALLBACK_INST_PROGRESS, size, size,
879 rpmfiGetKey(fi), ts->notifyData);
880 /*@=noeffectuncon @*/
889 (void) fsmStage(fsm, FSM_RCLOSE);
890 /*@-dependenttrans@*/
893 /*@=dependenttrans@*/
898 * Write set of linked files to payload stream.
899 * @param fsm file state machine data
900 * @return 0 on success
902 static int writeLinkedFile(/*@special@*/ FSM_t fsm)
903 /*@uses fsm->path, fsm->nsuffix, fsm->ix, fsm->li, fsm->failedFile @*/
904 /*@globals fileSystem@*/
905 /*@modifies fsm, fileSystem @*/
907 const char * path = fsm->path;
908 const char * nsuffix = fsm->nsuffix;
909 int iterIndex = fsm->ix;
918 for (i = fsm->li->nlink - 1; i >= 0; i--) {
920 if (fsm->li->filex[i] < 0) continue;
922 fsm->ix = fsm->li->filex[i];
923 rc = fsmStage(fsm, FSM_MAP);
925 /* Write data after last link. */
926 rc = writeFile(fsm, (i == 0));
927 if (fsm->failedFile && rc != 0 && *fsm->failedFile == NULL) {
929 *fsm->failedFile = xstrdup(fsm->path);
932 fsm->path = _free(fsm->path);
933 fsm->li->filex[i] = -1;
937 fsm->nsuffix = nsuffix;
943 * Create pending hard links to existing file.
944 * @param fsm file state machine data
945 * @return 0 on success
947 static int fsmMakeLinks(/*@special@*/ FSM_t fsm)
948 /*@uses fsm->path, fsm->opath, fsm->nsuffix, fsm->ix, fsm->li @*/
949 /*@globals fileSystem@*/
950 /*@modifies fsm, fileSystem @*/
952 const char * path = fsm->path;
953 const char * opath = fsm->opath;
954 const char * nsuffix = fsm->nsuffix;
955 int iterIndex = fsm->ix;
965 fsm->ix = fsm->li->filex[fsm->li->createdPath];
966 rc = fsmStage(fsm, FSM_MAP);
967 fsm->opath = fsm->path;
970 for (i = 0; i < fsm->li->nlink; i++) {
971 if (fsm->li->filex[i] < 0) continue;
972 if (i == fsm->li->createdPath) continue;
974 fsm->ix = fsm->li->filex[i];
975 fsm->path = _free(fsm->path);
976 rc = fsmStage(fsm, FSM_MAP);
977 rc = fsmStage(fsm, FSM_VERIFY);
979 if (rc != CPIOERR_LSTAT_FAILED) break;
981 /* XXX link(fsm->opath, fsm->path) */
982 rc = fsmStage(fsm, FSM_LINK);
983 if (fsm->failedFile && rc != 0 && *fsm->failedFile == NULL) {
985 *fsm->failedFile = xstrdup(fsm->path);
988 fsm->li->linksLeft--;
991 fsm->path = _free(fsm->path);
992 fsm->opath = _free(fsm->opath);
995 fsm->nsuffix = nsuffix;
1001 /** \ingroup payload
1002 * Commit hard linked file set atomically.
1003 * @param fsm file state machine data
1004 * @return 0 on success
1006 static int fsmCommitLinks(/*@special@*/ FSM_t fsm)
1007 /*@uses fsm->path, fsm->nsuffix, fsm->ix, fsm->sb,
1008 fsm->li, fsm->links @*/
1009 /*@globals fileSystem@*/
1010 /*@modifies fsm, fileSystem @*/
1012 const char * path = fsm->path;
1013 const char * nsuffix = fsm->nsuffix;
1014 int iterIndex = fsm->ix;
1015 struct stat * st = &fsm->sb;
1020 fsm->nsuffix = NULL;
1024 for (fsm->li = fsm->links; fsm->li; fsm->li = fsm->li->next) {
1025 if (fsm->li->sb.st_ino == st->st_ino && fsm->li->sb.st_dev == st->st_dev)
1030 for (i = 0; i < fsm->li->nlink; i++) {
1031 if (fsm->li->filex[i] < 0) continue;
1032 fsm->ix = fsm->li->filex[i];
1033 rc = fsmStage(fsm, FSM_MAP);
1034 rc = fsmStage(fsm, FSM_COMMIT);
1035 fsm->path = _free(fsm->path);
1036 fsm->li->filex[i] = -1;
1039 fsm->ix = iterIndex;
1040 fsm->nsuffix = nsuffix;
1046 * Remove (if created) directories not explicitly included in package.
1047 * @param fsm file state machine data
1048 * @return 0 on success
1050 static int fsmRmdirs(/*@special@*/ FSM_t fsm)
1051 /*@uses fsm->path, fsm->dnlx, fsm->ldn, fsm->rdbuf, fsm->iter @*/
1052 /*@globals fileSystem@*/
1053 /*@modifies fsm, fileSystem @*/
1055 const char * path = fsm->path;
1056 void * dnli = dnlInitIterator(fsm, 1);
1057 char * dn = fsm->rdbuf;
1058 int dc = dnlCount(dnli);
1063 /*@-observertrans -dependenttrans@*/
1064 if (fsm->ldn != NULL && fsm->dnlx != NULL)
1065 while ((fsm->path = dnlNextIterator(dnli)) != NULL) {
1066 int dnlen = strlen(fsm->path);
1069 dc = dnlIndex(dnli);
1070 if (fsm->dnlx[dc] < 1 || fsm->dnlx[dc] >= dnlen)
1073 /* Copy to avoid const on fsm->path. */
1074 te = stpcpy(dn, fsm->path) - 1;
1077 /* Remove generated directories. */
1078 /*@-usereleased@*/ /* LCL: te used after release? */
1082 rc = fsmStage(fsm, FSM_RMDIR);
1086 /*@innerbreak@*/ break;
1088 } while ((te - fsm->path) > fsm->dnlx[dc]);
1091 dnli = dnlFreeIterator(dnli);
1092 /*@=observertrans =dependenttrans@*/
1099 * Create (if necessary) directories not explicitly included in package.
1100 * @param fsm file state machine data
1101 * @return 0 on success
1103 static int fsmMkdirs(/*@special@*/ FSM_t fsm)
1104 /*@uses fsm->path, fsm->sb, fsm->osb, fsm->rdbuf, fsm->iter,
1105 fsm->ldn, fsm->ldnlen, fsm->ldnalloc @*/
1106 /*@defines fsm->dnlx, fsm->ldn @*/
1107 /*@globals fileSystem@*/
1108 /*@modifies fsm, fileSystem @*/
1110 struct stat * st = &fsm->sb;
1111 struct stat * ost = &fsm->osb;
1112 const char * path = fsm->path;
1113 mode_t st_mode = st->st_mode;
1114 void * dnli = dnlInitIterator(fsm, 0);
1115 char * dn = fsm->rdbuf;
1116 int dc = dnlCount(dnli);
1123 fsm->dnlx = (dc ? xcalloc(dc, sizeof(*fsm->dnlx)) : NULL);
1124 /*@-observertrans -dependenttrans@*/
1125 if (fsm->dnlx != NULL)
1126 while ((fsm->path = dnlNextIterator(dnli)) != NULL) {
1127 int dnlen = strlen(fsm->path);
1130 dc = dnlIndex(dnli);
1131 if (dc < 0) continue;
1132 fsm->dnlx[dc] = dnlen;
1136 /*@-compdef -nullpass@*/ /* FIX: fsm->ldn not defined ??? */
1137 if (dnlen <= fsm->ldnlen && !strcmp(fsm->path, fsm->ldn))
1139 /*@=compdef =nullpass@*/
1141 /* Copy to avoid const on fsm->path. */
1142 (void) stpcpy(dn, fsm->path);
1145 /* Assume '/' directory exists, "mkdir -p" for others if non-existent */
1146 for (i = 1, te = dn + 1; *te != '\0'; te++, i++) {
1148 /*@innercontinue@*/ continue;
1152 /* Already validated? */
1153 /*@-usedef -compdef -nullpass -nullderef@*/
1154 if (i < fsm->ldnlen &&
1155 (fsm->ldn[i] == '/' || fsm->ldn[i] == '\0') &&
1156 !strncmp(fsm->path, fsm->ldn, i))
1159 /* Move pre-existing path marker forward. */
1160 fsm->dnlx[dc] = (te - dn);
1161 /*@innercontinue@*/ continue;
1163 /*@=usedef =compdef =nullpass =nullderef@*/
1165 /* Validate next component of path. */
1166 rc = fsmStage(fsm, FSM_LSTAT);
1169 /* Directory already exists? */
1170 if (rc == 0 && S_ISDIR(ost->st_mode)) {
1171 /* Move pre-existing path marker forward. */
1172 fsm->dnlx[dc] = (te - dn);
1173 } else if (rc == CPIOERR_LSTAT_FAILED) {
1174 TFI_t fi = fsmGetFi(fsm);
1176 st->st_mode = S_IFDIR | (fi->dperms & 07777);
1177 rc = fsmStage(fsm, FSM_MKDIR);
1179 rpmMessage(RPMMESS_DEBUG,
1180 _("%s directory created with perms %04o.\n"),
1181 fsm->path, (unsigned)(st->st_mode & 07777));
1185 /*@innerbreak@*/ break;
1189 /* Save last validated path. */
1190 if (fsm->ldnalloc < (dnlen + 1)) {
1191 fsm->ldnalloc = dnlen + 100;
1192 fsm->ldn = xrealloc(fsm->ldn, fsm->ldnalloc);
1194 if (fsm->ldn != NULL) { /* XXX can't happen */
1195 strcpy(fsm->ldn, fsm->path);
1196 fsm->ldnlen = dnlen;
1199 dnli = dnlFreeIterator(dnli);
1200 /*@=observertrans =dependenttrans@*/
1203 st->st_mode = st_mode; /* XXX restore st->st_mode */
1209 * Check for file on disk.
1210 * @param fsm file state machine data
1211 * @return 0 on success
1213 static int fsmStat(FSM_t fsm)
1215 int saveerrno = errno;
1218 if (fsm->path != NULL) {
1219 int saveernno = errno;
1220 rc = fsmStage(fsm, (!(fsm->mapFlags & CPIO_FOLLOW_SYMLINKS)
1221 ? FSM_LSTAT : FSM_STAT));
1222 if (rc == CPIOERR_LSTAT_FAILED && errno == ENOENT) {
1226 } else if (rc == 0) {
1230 /* Skip %ghost files on build. */
1238 int fsmStage(FSM_t fsm, fileStage stage)
1241 fileStage prevStage = fsm->stage;
1242 const char * const prev = fileStageString(prevStage);
1244 static int modulo = 4;
1245 const char * const cur = fileStageString(stage);
1246 struct stat * st = &fsm->sb;
1247 struct stat * ost = &fsm->osb;
1248 int saveerrno = errno;
1253 #define _fafilter(_a) \
1254 (!((_a) == FA_CREATE || (_a) == FA_ERASE || (_a) == FA_COPYIN || (_a) == FA_COPYOUT) \
1255 ? fileActionString(_a) : "")
1257 if (stage & FSM_DEAD) {
1259 } else if (stage & FSM_INTERNAL) {
1260 if (_fsm_debug && !(stage & FSM_SYSCALL))
1261 rpmMessage(RPMMESS_DEBUG, " %8s %06o%3d (%4d,%4d)%10d %s %s\n",
1263 (unsigned)st->st_mode, (int)st->st_nlink,
1264 (int)st->st_uid, (int)st->st_gid, (int)st->st_size,
1265 (fsm->path ? fsm->path : ""),
1266 _fafilter(fsm->action));
1269 if (_fsm_debug || !(stage & FSM_VERBOSE))
1270 rpmMessage(RPMMESS_DEBUG, "%-8s %06o%3d (%4d,%4d)%10d %s %s\n",
1272 (unsigned)st->st_mode, (int)st->st_nlink,
1273 (int)st->st_uid, (int)st->st_gid, (int)st->st_size,
1274 (fsm->path ? fsm->path + fsm->astriplen : ""),
1275 _fafilter(fsm->action));
1283 case FSM_PKGINSTALL:
1285 /* Clean fsm, free'ing memory. Read next archive header. */
1286 rc = fsmStage(fsm, FSM_INIT);
1288 /* Exit on end-of-payload. */
1289 if (rc == CPIOERR_HDR_TRAILER) {
1291 /*@loopbreak@*/ break;
1294 /* Exit on error. */
1297 (void) fsmStage(fsm, FSM_UNDO);
1298 /*@loopbreak@*/ break;
1301 /* Extract file from archive. */
1302 rc = fsmStage(fsm, FSM_PROCESS);
1304 (void) fsmStage(fsm, FSM_UNDO);
1305 /*@loopbreak@*/ break;
1308 /* Notify on success. */
1309 (void) fsmStage(fsm, FSM_NOTIFY);
1311 rc = fsmStage(fsm, FSM_FINI);
1313 /*@loopbreak@*/ break;
1320 /* Clean fsm, free'ing memory. */
1321 rc = fsmStage(fsm, FSM_INIT);
1323 /* Exit on end-of-payload. */
1324 if (rc == CPIOERR_HDR_TRAILER) {
1326 /*@loopbreak@*/ break;
1329 /* Rename/erase next item. */
1330 if (fsmStage(fsm, FSM_FINI))
1331 /*@loopbreak@*/ break;
1337 rc = fsmStage(fsm, FSM_INIT);
1339 /* Exit on end-of-payload. */
1340 if (rc == CPIOERR_HDR_TRAILER) {
1342 /*@loopbreak@*/ break;
1345 /* Exit on error. */
1348 (void) fsmStage(fsm, FSM_UNDO);
1349 /*@loopbreak@*/ break;
1352 /* Copy file into archive. */
1353 rc = fsmStage(fsm, FSM_PROCESS);
1355 (void) fsmStage(fsm, FSM_UNDO);
1356 /*@loopbreak@*/ break;
1359 if (fsmStage(fsm, FSM_FINI))
1360 /*@loopbreak@*/ break;
1363 /* Flush partial sets of hard linked files. */
1364 if (!(fsm->mapFlags & CPIO_ALL_HARDLINKS)) {
1366 while ((fsm->li = fsm->links) != NULL) {
1367 fsm->links = fsm->li->next;
1368 fsm->li->next = NULL;
1370 /* Re-calculate link count for archive header. */
1371 for (j = -1, nlink = 0, i = 0; i < fsm->li->nlink; i++) {
1372 if (fsm->li->filex[i] < 0)
1373 /*@innercontinue@*/ continue;
1377 /* XXX force the contents out as well. */
1379 fsm->li->filex[0] = fsm->li->filex[j];
1380 fsm->li->filex[j] = -1;
1382 fsm->li->sb.st_nlink = nlink;
1384 fsm->sb = fsm->li->sb; /* structure assignment */
1385 fsm->osb = fsm->sb; /* structure assignment */
1387 if (!rc) rc = writeLinkedFile(fsm);
1389 fsm->li = freeHardLink(fsm->li);
1394 rc = fsmStage(fsm, FSM_TRAILER);
1398 { rpmTransactionSet ts = fsmGetTs(fsm);
1399 #define _tsmask (RPMTRANS_FLAG_PKGCOMMIT | RPMTRANS_FLAG_COMMIT)
1400 fsm->commit = ((ts && (ts->transFlags & _tsmask) &&
1401 fsm->goal != FSM_PKGCOMMIT) ? 0 : 1);
1404 fsm->path = _free(fsm->path);
1405 fsm->opath = _free(fsm->opath);
1406 fsm->dnlx = _free(fsm->dnlx);
1408 fsm->ldn = _free(fsm->ldn);
1409 fsm->ldnalloc = fsm->ldnlen = 0;
1411 fsm->rdsize = fsm->wrsize = 0;
1412 fsm->rdbuf = fsm->rdb = _free(fsm->rdb);
1413 fsm->wrbuf = fsm->wrb = _free(fsm->wrb);
1414 if (fsm->goal == FSM_PKGINSTALL || fsm->goal == FSM_PKGBUILD) {
1415 fsm->rdsize = 8 * BUFSIZ;
1416 fsm->rdbuf = fsm->rdb = xmalloc(fsm->rdsize);
1417 fsm->wrsize = 8 * BUFSIZ;
1418 fsm->wrbuf = fsm->wrb = xmalloc(fsm->wrsize);
1421 fsm->mkdirsdone = 0;
1426 errno = 0; /* XXX get rid of EBADF */
1429 /* Detect and create directories not explicitly in package. */
1430 if (fsm->goal == FSM_PKGINSTALL) {
1431 rc = fsmStage(fsm, FSM_MKDIRS);
1432 if (!rc) fsm->mkdirsdone = 1;
1437 fsm->path = _free(fsm->path);
1439 fsm->diskchecked = fsm->exists = 0;
1441 fsm->suffix = (fsm->sufbuf[0] != '\0' ? fsm->sufbuf : NULL);
1442 fsm->action = FA_UNKNOWN;
1443 fsm->osuffix = NULL;
1444 fsm->nsuffix = NULL;
1446 if (fsm->goal == FSM_PKGINSTALL) {
1447 /* Read next header from payload, checking for end-of-payload. */
1448 rc = fsmStage(fsm, FSM_NEXT);
1452 /* Identify mapping index. */
1453 fsm->ix = ((fsm->goal == FSM_PKGINSTALL)
1454 ? mapFind(fsm->iter, fsm->path) : mapNextIterator(fsm->iter));
1456 /* Detect end-of-loop and/or mapping error. */
1458 if (fsm->goal == FSM_PKGINSTALL) {
1460 rpmMessage(RPMMESS_WARNING,
1461 _("archive file %s was not found in header file list\n"),
1464 if (fsm->failedFile && *fsm->failedFile == NULL)
1465 *fsm->failedFile = xstrdup(fsm->path);
1466 rc = CPIOERR_UNMAPPED_FILE;
1468 rc = CPIOERR_HDR_TRAILER;
1473 /* On non-install, mode must be known so that dirs don't get suffix. */
1474 if (fsm->goal != FSM_PKGINSTALL) {
1475 TFI_t fi = fsmGetFi(fsm);
1476 st->st_mode = fi->fmodes[fsm->ix];
1479 /* Generate file path. */
1480 rc = fsmStage(fsm, FSM_MAP);
1483 /* Perform lstat/stat for disk file. */
1487 if (fsm->path != NULL) {
1488 rc = fsmStage(fsm, (!(fsm->mapFlags & CPIO_FOLLOW_SYMLINKS)
1489 ? FSM_LSTAT : FSM_STAT));
1490 if (rc == CPIOERR_LSTAT_FAILED && errno == ENOENT) {
1496 } else if (rc == 0) {
1500 /* Skip %ghost files on build. */
1504 fsm->diskchecked = 1;
1507 /* On non-install, the disk file stat is what's remapped. */
1508 if (fsm->goal != FSM_PKGINSTALL)
1509 *st = *ost; /* structure assignment */
1511 /* Remap file perms, owner, and group. */
1512 rc = fsmMapAttrs(fsm);
1515 fsm->postpone = XFA_SKIPPING(fsm->action);
1516 if (fsm->goal == FSM_PKGINSTALL || fsm->goal == FSM_PKGBUILD) {
1517 /*@-evalorder@*/ /* FIX: saveHardLink can modify fsm */
1518 if (!S_ISDIR(st->st_mode) && st->st_nlink > 1)
1519 fsm->postpone = saveHardLink(fsm);
1526 rc = fsmMapPath(fsm);
1529 rc = fsmMkdirs(fsm);
1533 rc = fsmRmdirs(fsm);
1536 if (fsm->postpone) {
1537 if (fsm->goal == FSM_PKGINSTALL)
1538 rc = fsmStage(fsm, FSM_EAT);
1542 if (fsm->goal == FSM_PKGBUILD) {
1543 if (!S_ISDIR(st->st_mode) && st->st_nlink > 1) {
1544 struct hardLink * li, * prev;
1546 if (!(fsm->mapFlags & CPIO_ALL_HARDLINKS)) break;
1547 rc = writeLinkedFile(fsm);
1548 if (rc) break; /* W2DO? */
1550 for (li = fsm->links, prev = NULL; li; prev = li, li = li->next)
1552 /*@loopbreak@*/ break;
1555 fsm->links = fsm->li->next;
1557 prev->next = fsm->li->next;
1558 fsm->li->next = NULL;
1559 fsm->li = freeHardLink(fsm->li);
1561 rc = writeFile(fsm, 1);
1566 if (fsm->goal != FSM_PKGINSTALL)
1569 if (S_ISREG(st->st_mode)) {
1570 const char * path = fsm->path;
1572 fsm->path = fsmFsPath(fsm, st, NULL, NULL);
1573 rc = fsmStage(fsm, FSM_VERIFY);
1575 if (rc == 0 && fsm->osuffix) {
1576 const char * opath = fsm->opath;
1577 fsm->opath = fsm->path;
1578 fsm->path = fsmFsPath(fsm, st, NULL, fsm->osuffix);
1579 rc = fsmStage(fsm, FSM_RENAME);
1581 rpmMessage(RPMMESS_WARNING,
1582 _("%s saved as %s\n"), fsm->opath, fsm->path);
1583 fsm->path = _free(fsm->path);
1587 /*@-dependenttrans@*/
1589 /*@=dependenttrans@*/
1590 if (rc != CPIOERR_LSTAT_FAILED) return rc;
1591 rc = expandRegular(fsm);
1592 } else if (S_ISDIR(st->st_mode)) {
1593 mode_t st_mode = st->st_mode;
1594 rc = fsmStage(fsm, FSM_VERIFY);
1595 if (rc == CPIOERR_LSTAT_FAILED) {
1596 st->st_mode &= ~07777; /* XXX abuse st->st_mode */
1597 st->st_mode |= 00700;
1598 rc = fsmStage(fsm, FSM_MKDIR);
1599 st->st_mode = st_mode; /* XXX restore st->st_mode */
1601 } else if (S_ISLNK(st->st_mode)) {
1602 const char * opath = fsm->opath;
1604 if ((st->st_size + 1) > fsm->rdsize) {
1605 rc = CPIOERR_HDR_SIZE;
1609 fsm->wrlen = st->st_size;
1610 rc = fsmStage(fsm, FSM_DREAD);
1611 if (!rc && fsm->rdnb != fsm->wrlen)
1612 rc = CPIOERR_READ_FAILED;
1615 fsm->wrbuf[st->st_size] = '\0';
1616 /* XXX symlink(fsm->opath, fsm->path) */
1617 /*@-dependenttrans@*/
1618 fsm->opath = fsm->wrbuf;
1619 /*@=dependenttrans@*/
1620 rc = fsmStage(fsm, FSM_VERIFY);
1621 if (rc == CPIOERR_LSTAT_FAILED)
1622 rc = fsmStage(fsm, FSM_SYMLINK);
1623 fsm->opath = opath; /* XXX restore fsm->path */
1624 } else if (S_ISFIFO(st->st_mode)) {
1625 mode_t st_mode = st->st_mode;
1626 /* This mimics cpio S_ISSOCK() behavior but probably isnt' right */
1627 rc = fsmStage(fsm, FSM_VERIFY);
1628 if (rc == CPIOERR_LSTAT_FAILED) {
1629 st->st_mode = 0000; /* XXX abuse st->st_mode */
1630 rc = fsmStage(fsm, FSM_MKFIFO);
1631 st->st_mode = st_mode; /* XXX restore st->st_mode */
1633 } else if (S_ISCHR(st->st_mode) ||
1634 S_ISBLK(st->st_mode) ||
1635 /*@-unrecog@*/ S_ISSOCK(st->st_mode) /*@=unrecog@*/)
1637 rc = fsmStage(fsm, FSM_VERIFY);
1638 if (rc == CPIOERR_LSTAT_FAILED)
1639 rc = fsmStage(fsm, FSM_MKNOD);
1641 rc = CPIOERR_UNKNOWN_FILETYPE;
1643 if (!S_ISDIR(st->st_mode) && st->st_nlink > 1) {
1644 fsm->li->createdPath = fsm->li->linkIndex;
1645 rc = fsmMakeLinks(fsm);
1651 rc = fsmMakeLinks(fsm);
1653 case FSM_NOTIFY: /* XXX move from fsm to psm -> tsm */
1654 if (fsm->goal == FSM_PKGINSTALL || fsm->goal == FSM_PKGBUILD) {
1655 rpmTransactionSet ts = fsmGetTs(fsm);
1656 TFI_t fi = fsmGetFi(fsm);
1657 if (ts && ts->notify && fi) {
1658 /*@-type@*/ /* FIX: cast? */
1659 /*@-noeffectuncon @*/ /* FIX: check rc */
1660 (void)ts->notify(fi->h, RPMCALLBACK_INST_PROGRESS,
1661 fdGetCpioPos(fsm->cfd), fi->archiveSize,
1662 rpmfiGetKey(fi), ts->notifyData);
1663 /*@=noeffectuncon @*/
1671 if (fsm->goal == FSM_PKGINSTALL) {
1672 (void) fsmStage(fsm,
1673 (S_ISDIR(st->st_mode) ? FSM_RMDIR : FSM_UNLINK));
1675 #ifdef NOTYET /* XXX remove only dirs just created, not all. */
1677 (void) fsmStage(fsm, FSM_RMDIRS);
1683 if (fsm->failedFile && *fsm->failedFile == NULL)
1684 *fsm->failedFile = xstrdup(fsm->path);
1687 if (!fsm->postpone && fsm->commit) {
1688 if (fsm->goal == FSM_PKGINSTALL)
1689 rc = ((!S_ISDIR(st->st_mode) && st->st_nlink > 1)
1690 ? fsmCommitLinks(fsm) : fsmStage(fsm, FSM_COMMIT));
1691 if (fsm->goal == FSM_PKGCOMMIT)
1692 rc = fsmStage(fsm, FSM_COMMIT);
1693 if (fsm->goal == FSM_PKGERASE)
1694 rc = fsmStage(fsm, FSM_COMMIT);
1696 fsm->path = _free(fsm->path);
1697 fsm->opath = _free(fsm->opath);
1698 memset(st, 0, sizeof(*st));
1699 memset(ost, 0, sizeof(*ost));
1702 /* Rename pre-existing modified or unmanaged file. */
1703 if (fsm->diskchecked && fsm->exists && fsm->osuffix) {
1704 const char * opath = fsm->opath;
1705 const char * path = fsm->path;
1706 fsm->opath = fsmFsPath(fsm, st, NULL, NULL);
1707 fsm->path = fsmFsPath(fsm, st, NULL, fsm->osuffix);
1708 rc = fsmStage(fsm, FSM_RENAME);
1710 rpmMessage(RPMMESS_WARNING, _("%s saved as %s\n"),
1711 fsm->opath, fsm->path);
1713 fsm->path = _free(fsm->path);
1715 fsm->opath = _free(fsm->opath);
1719 /* Remove erased files. */
1720 if (fsm->goal == FSM_PKGERASE) {
1721 if (fsm->action == FA_ERASE) {
1722 TFI_t fi = fsmGetFi(fsm);
1723 if (S_ISDIR(st->st_mode)) {
1724 rc = fsmStage(fsm, FSM_RMDIR);
1727 case ENOENT: /* XXX rmdir("/") linux 2.2.x kernel hack */
1729 /* XXX make sure that build side permits %missingok on directories. */
1730 if (fsm->fflags & RPMFILE_MISSINGOK)
1731 /*@innerbreak@*/ break;
1733 /* XXX common error message. */
1735 (strict_erasures ? RPMERR_RMDIR : RPMDEBUG_RMDIR),
1736 _("%s rmdir of %s failed: Directory not empty\n"),
1737 fiTypeString(fi), fsm->path);
1738 /*@innerbreak@*/ break;
1741 (strict_erasures ? RPMERR_RMDIR : RPMDEBUG_RMDIR),
1742 _("%s rmdir of %s failed: %s\n"),
1743 fiTypeString(fi), fsm->path, strerror(errno));
1744 /*@innerbreak@*/ break;
1747 rc = fsmStage(fsm, FSM_UNLINK);
1749 if (!(errno == ENOENT && (fsm->fflags & RPMFILE_MISSINGOK)))
1751 (strict_erasures ? RPMERR_UNLINK : RPMDEBUG_UNLINK),
1752 _("%s unlink of %s failed: %s\n"),
1753 fiTypeString(fi), fsm->path, strerror(errno));
1756 /* XXX Failure to remove is not (yet) cause for failure. */
1757 if (!strict_erasures) rc = 0;
1761 if (!S_ISSOCK(st->st_mode)) { /* XXX /dev/log et al are skipped */
1762 /* Rename temporary to final file name. */
1763 if (!S_ISDIR(st->st_mode) &&
1764 (fsm->subdir || fsm->suffix || fsm->nsuffix))
1766 fsm->opath = fsm->path;
1767 fsm->path = fsmFsPath(fsm, st, NULL, fsm->nsuffix);
1768 rc = fsmStage(fsm, FSM_RENAME);
1769 if (!rc && fsm->nsuffix) {
1770 const char * opath = fsmFsPath(fsm, st, NULL, NULL);
1771 rpmMessage(RPMMESS_WARNING, _("%s created as %s\n"),
1772 (opath ? opath : ""), fsm->path);
1773 opath = _free(opath);
1775 fsm->opath = _free(fsm->opath);
1777 if (S_ISLNK(st->st_mode)) {
1778 if (!rc && !getuid())
1779 rc = fsmStage(fsm, FSM_LCHOWN);
1781 if (!rc && !getuid())
1782 rc = fsmStage(fsm, FSM_CHOWN);
1784 rc = fsmStage(fsm, FSM_CHMOD);
1786 time_t mtime = st->st_mtime;
1787 TFI_t fi = fsmGetFi(fsm);
1789 st->st_mtime = fi->fmtimes[fsm->ix];
1790 rc = fsmStage(fsm, FSM_UTIME);
1791 st->st_mtime = mtime;
1796 /* Notify on success. */
1797 if (!rc) rc = fsmStage(fsm, FSM_NOTIFY);
1798 else if (fsm->failedFile && *fsm->failedFile == NULL) {
1799 *fsm->failedFile = fsm->path;
1804 fsm->path = _free(fsm->path);
1806 /* Check for hard links missing from payload. */
1807 while ((fsm->li = fsm->links) != NULL) {
1808 fsm->links = fsm->li->next;
1809 fsm->li->next = NULL;
1810 if (fsm->goal == FSM_PKGINSTALL &&
1811 fsm->commit && fsm->li->linksLeft)
1813 for (i = 0 ; i < fsm->li->linksLeft; i++) {
1814 if (fsm->li->filex[i] < 0)
1815 /*@innercontinue@*/ continue;
1816 rc = CPIOERR_MISSING_HARDLINK;
1817 if (fsm->failedFile && *fsm->failedFile == NULL) {
1818 fsm->ix = fsm->li->filex[i];
1819 if (!fsmStage(fsm, FSM_MAP)) {
1820 *fsm->failedFile = fsm->path;
1824 /*@loopbreak@*/ break;
1827 if (fsm->goal == FSM_PKGBUILD &&
1828 (fsm->mapFlags & CPIO_ALL_HARDLINKS))
1830 rc = CPIOERR_MISSING_HARDLINK;
1832 fsm->li = freeHardLink(fsm->li);
1834 fsm->ldn = _free(fsm->ldn);
1835 fsm->ldnalloc = fsm->ldnlen = 0;
1836 fsm->rdbuf = fsm->rdb = _free(fsm->rdb);
1837 fsm->wrbuf = fsm->wrb = _free(fsm->wrb);
1840 if (fsm->diskchecked && !fsm->exists) {
1841 rc = CPIOERR_LSTAT_FAILED;
1844 if (S_ISREG(st->st_mode)) {
1845 char * path = alloca(strlen(fsm->path) + sizeof("-RPMDELETE"));
1846 (void) stpcpy( stpcpy(path, fsm->path), "-RPMDELETE");
1848 * XXX HP-UX (and other os'es) don't permit unlink on busy
1851 fsm->opath = fsm->path;
1853 rc = fsmStage(fsm, FSM_RENAME);
1855 (void) fsmStage(fsm, FSM_UNLINK);
1857 rc = CPIOERR_UNLINK_FAILED;
1858 fsm->path = fsm->opath;
1860 return (rc ? rc : CPIOERR_LSTAT_FAILED); /* XXX HACK */
1861 /*@notreached@*/ break;
1862 } else if (S_ISDIR(st->st_mode)) {
1863 if (S_ISDIR(ost->st_mode)) return 0;
1864 if (S_ISLNK(ost->st_mode)) {
1865 rc = fsmStage(fsm, FSM_STAT);
1866 if (rc == CPIOERR_STAT_FAILED && errno == ENOENT) rc = 0;
1871 if (S_ISDIR(ost->st_mode)) return 0;
1873 } else if (S_ISLNK(st->st_mode)) {
1874 if (S_ISLNK(ost->st_mode)) {
1875 /* XXX NUL terminated result in fsm->rdbuf, len in fsm->rdnb. */
1876 rc = fsmStage(fsm, FSM_READLINK);
1881 if (!strcmp(fsm->opath, fsm->rdbuf)) return 0;
1883 } else if (S_ISFIFO(st->st_mode)) {
1884 if (S_ISFIFO(ost->st_mode)) return 0;
1885 } else if (S_ISCHR(st->st_mode) || S_ISBLK(st->st_mode)) {
1886 if ((S_ISCHR(ost->st_mode) || S_ISBLK(ost->st_mode)) &&
1887 (ost->st_rdev == st->st_rdev)) return 0;
1888 } else if (S_ISSOCK(st->st_mode)) {
1889 if (S_ISSOCK(ost->st_mode)) return 0;
1891 /* XXX shouldn't do this with commit/undo. */
1893 if (fsm->stage == FSM_PROCESS) rc = fsmStage(fsm, FSM_UNLINK);
1894 if (rc == 0) rc = CPIOERR_LSTAT_FAILED;
1895 return (rc ? rc : CPIOERR_LSTAT_FAILED); /* XXX HACK */
1896 /*@notreached@*/ break;
1899 rc = Unlink(fsm->path);
1900 if (_fsm_debug && (stage & FSM_SYSCALL))
1901 rpmMessage(RPMMESS_DEBUG, " %8s (%s) %s\n", cur,
1902 fsm->path, (rc < 0 ? strerror(errno) : ""));
1903 if (rc < 0) rc = CPIOERR_UNLINK_FAILED;
1906 rc = Rename(fsm->opath, fsm->path);
1907 if (_fsm_debug && (stage & FSM_SYSCALL))
1908 rpmMessage(RPMMESS_DEBUG, " %8s (%s, %s) %s\n", cur,
1909 fsm->opath, fsm->path, (rc < 0 ? strerror(errno) : ""));
1910 if (rc < 0) rc = CPIOERR_RENAME_FAILED;
1913 rc = Mkdir(fsm->path, (st->st_mode & 07777));
1914 if (_fsm_debug && (stage & FSM_SYSCALL))
1915 rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0%04o) %s\n", cur,
1916 fsm->path, (unsigned)(st->st_mode & 07777),
1917 (rc < 0 ? strerror(errno) : ""));
1918 if (rc < 0) rc = CPIOERR_MKDIR_FAILED;
1921 rc = Rmdir(fsm->path);
1922 if (_fsm_debug && (stage & FSM_SYSCALL))
1923 rpmMessage(RPMMESS_DEBUG, " %8s (%s) %s\n", cur,
1924 fsm->path, (rc < 0 ? strerror(errno) : ""));
1925 if (rc < 0) rc = CPIOERR_RMDIR_FAILED;
1928 rc = chown(fsm->path, st->st_uid, st->st_gid);
1929 if (_fsm_debug && (stage & FSM_SYSCALL))
1930 rpmMessage(RPMMESS_DEBUG, " %8s (%s, %d, %d) %s\n", cur,
1931 fsm->path, (int)st->st_uid, (int)st->st_gid,
1932 (rc < 0 ? strerror(errno) : ""));
1933 if (rc < 0) rc = CPIOERR_CHOWN_FAILED;
1936 #if ! CHOWN_FOLLOWS_SYMLINK
1937 rc = lchown(fsm->path, st->st_uid, st->st_gid);
1938 if (_fsm_debug && (stage & FSM_SYSCALL))
1939 rpmMessage(RPMMESS_DEBUG, " %8s (%s, %d, %d) %s\n", cur,
1940 fsm->path, (int)st->st_uid, (int)st->st_gid,
1941 (rc < 0 ? strerror(errno) : ""));
1942 if (rc < 0) rc = CPIOERR_CHOWN_FAILED;
1946 rc = chmod(fsm->path, (st->st_mode & 07777));
1947 if (_fsm_debug && (stage & FSM_SYSCALL))
1948 rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0%04o) %s\n", cur,
1949 fsm->path, (unsigned)(st->st_mode & 07777),
1950 (rc < 0 ? strerror(errno) : ""));
1951 if (rc < 0) rc = CPIOERR_CHMOD_FAILED;
1954 { struct utimbuf stamp;
1955 stamp.actime = st->st_mtime;
1956 stamp.modtime = st->st_mtime;
1957 rc = utime(fsm->path, &stamp);
1958 if (_fsm_debug && (stage & FSM_SYSCALL))
1959 rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0x%x) %s\n", cur,
1960 fsm->path, (unsigned)st->st_mtime,
1961 (rc < 0 ? strerror(errno) : ""));
1962 if (rc < 0) rc = CPIOERR_UTIME_FAILED;
1966 rc = symlink(fsm->opath, fsm->path);
1967 if (_fsm_debug && (stage & FSM_SYSCALL))
1968 rpmMessage(RPMMESS_DEBUG, " %8s (%s, %s) %s\n", cur,
1969 fsm->opath, fsm->path, (rc < 0 ? strerror(errno) : ""));
1970 if (rc < 0) rc = CPIOERR_SYMLINK_FAILED;
1973 rc = Link(fsm->opath, fsm->path);
1974 if (_fsm_debug && (stage & FSM_SYSCALL))
1975 rpmMessage(RPMMESS_DEBUG, " %8s (%s, %s) %s\n", cur,
1976 fsm->opath, fsm->path, (rc < 0 ? strerror(errno) : ""));
1977 if (rc < 0) rc = CPIOERR_LINK_FAILED;
1980 rc = mkfifo(fsm->path, (st->st_mode & 07777));
1981 if (_fsm_debug && (stage & FSM_SYSCALL))
1982 rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0%04o) %s\n", cur,
1983 fsm->path, (unsigned)(st->st_mode & 07777),
1984 (rc < 0 ? strerror(errno) : ""));
1985 if (rc < 0) rc = CPIOERR_MKFIFO_FAILED;
1988 /*@-unrecog -portability @*/ /* FIX: check S_IFIFO or dev != 0 */
1989 rc = mknod(fsm->path, (st->st_mode & ~07777), st->st_rdev);
1990 /*@=unrecog =portability @*/
1991 if (_fsm_debug && (stage & FSM_SYSCALL))
1992 rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0%o, 0x%x) %s\n", cur,
1993 fsm->path, (unsigned)(st->st_mode & ~07777),
1994 (unsigned)st->st_rdev,
1995 (rc < 0 ? strerror(errno) : ""));
1996 if (rc < 0) rc = CPIOERR_MKNOD_FAILED;
1999 rc = Lstat(fsm->path, ost);
2000 if (_fsm_debug && (stage & FSM_SYSCALL) && rc && errno != ENOENT)
2001 rpmMessage(RPMMESS_DEBUG, " %8s (%s, ost) %s\n", cur,
2002 fsm->path, (rc < 0 ? strerror(errno) : ""));
2003 if (rc < 0) rc = CPIOERR_LSTAT_FAILED;
2006 rc = Stat(fsm->path, ost);
2007 if (_fsm_debug && (stage & FSM_SYSCALL) && rc && errno != ENOENT)
2008 rpmMessage(RPMMESS_DEBUG, " %8s (%s, ost) %s\n", cur,
2009 fsm->path, (rc < 0 ? strerror(errno) : ""));
2010 if (rc < 0) rc = CPIOERR_STAT_FAILED;
2013 /* XXX NUL terminated result in fsm->rdbuf, len in fsm->rdnb. */
2014 rc = Readlink(fsm->path, fsm->rdbuf, fsm->rdsize - 1);
2015 if (_fsm_debug && (stage & FSM_SYSCALL))
2016 rpmMessage(RPMMESS_DEBUG, " %8s (%s, rdbuf, %d) %s\n", cur,
2017 fsm->path, (int)(fsm->rdsize -1), (rc < 0 ? strerror(errno) : ""));
2018 if (rc < 0) rc = CPIOERR_READLINK_FAILED;
2021 fsm->rdbuf[fsm->rdnb] = '\0';
2029 rc = fsmStage(fsm, FSM_HREAD);
2031 if (!strcmp(fsm->path, CPIO_TRAILER)) { /* Detect end-of-payload. */
2032 fsm->path = _free(fsm->path);
2033 rc = CPIOERR_HDR_TRAILER;
2036 rc = fsmStage(fsm, FSM_POS);
2039 for (left = st->st_size; left > 0; left -= fsm->rdnb) {
2040 fsm->wrlen = (left > fsm->wrsize ? fsm->wrsize : left);
2041 rc = fsmStage(fsm, FSM_DREAD);
2043 /*@loopbreak@*/ break;
2047 left = (modulo - (fdGetCpioPos(fsm->cfd) % modulo)) % modulo;
2050 (void) fsmStage(fsm, FSM_DREAD);
2054 left = (modulo - (fdGetCpioPos(fsm->cfd) % modulo)) % modulo;
2056 memset(fsm->rdbuf, 0, left);
2057 /* XXX DWRITE uses rdnb for I/O length. */
2059 (void) fsmStage(fsm, FSM_DWRITE);
2063 rc = cpioTrailerWrite(fsm);
2066 rc = fsmStage(fsm, FSM_POS);
2068 rc = cpioHeaderRead(fsm, st); /* Read next payload header. */
2071 rc = cpioHeaderWrite(fsm, st); /* Write next payload header. */
2074 fsm->rdnb = Fread(fsm->wrbuf, sizeof(*fsm->wrbuf), fsm->wrlen, fsm->cfd);
2075 if (_fsm_debug && (stage & FSM_SYSCALL))
2076 rpmMessage(RPMMESS_DEBUG, " %8s (%s, %d, cfd)\trdnb %d\n",
2077 cur, (fsm->wrbuf == fsm->wrb ? "wrbuf" : "mmap"),
2078 (int)fsm->wrlen, (int)fsm->rdnb);
2079 if (fsm->rdnb != fsm->wrlen || Ferror(fsm->cfd))
2080 rc = CPIOERR_READ_FAILED;
2082 fdSetCpioPos(fsm->cfd, fdGetCpioPos(fsm->cfd) + fsm->rdnb);
2085 fsm->wrnb = Fwrite(fsm->rdbuf, sizeof(*fsm->rdbuf), fsm->rdnb, fsm->cfd);
2086 if (_fsm_debug && (stage & FSM_SYSCALL))
2087 rpmMessage(RPMMESS_DEBUG, " %8s (%s, %d, cfd)\twrnb %d\n",
2088 cur, (fsm->rdbuf == fsm->rdb ? "rdbuf" : "mmap"),
2089 (int)fsm->rdnb, (int)fsm->wrnb);
2090 if (fsm->rdnb != fsm->wrnb || Ferror(fsm->cfd))
2091 rc = CPIOERR_WRITE_FAILED;
2093 fdSetCpioPos(fsm->cfd, fdGetCpioPos(fsm->cfd) + fsm->wrnb);
2097 fsm->rfd = Fopen(fsm->path, "r.ufdio");
2098 if (fsm->rfd == NULL || Ferror(fsm->rfd)) {
2099 if (fsm->rfd) (void) fsmStage(fsm, FSM_RCLOSE);
2101 rc = CPIOERR_OPEN_FAILED;
2104 if (_fsm_debug && (stage & FSM_SYSCALL))
2105 rpmMessage(RPMMESS_DEBUG, " %8s (%s, \"r\") rfd %p rdbuf %p\n", cur,
2106 fsm->path, fsm->rfd, fsm->rdbuf);
2109 fsm->rdnb = Fread(fsm->rdbuf, sizeof(*fsm->rdbuf), fsm->rdlen, fsm->rfd);
2110 if (_fsm_debug && (stage & FSM_SYSCALL))
2111 rpmMessage(RPMMESS_DEBUG, " %8s (rdbuf, %d, rfd)\trdnb %d\n",
2112 cur, (int)fsm->rdlen, (int)fsm->rdnb);
2113 if (fsm->rdnb != fsm->rdlen || Ferror(fsm->rfd))
2114 rc = CPIOERR_READ_FAILED;
2118 if (_fsm_debug && (stage & FSM_SYSCALL))
2119 rpmMessage(RPMMESS_DEBUG, " %8s (%p)\n", cur, fsm->rfd);
2120 (void) Fclose(fsm->rfd);
2128 fsm->wfd = Fopen(fsm->path, "w.ufdio");
2129 if (fsm->wfd == NULL || Ferror(fsm->wfd)) {
2130 if (fsm->wfd) (void) fsmStage(fsm, FSM_WCLOSE);
2132 rc = CPIOERR_OPEN_FAILED;
2134 if (_fsm_debug && (stage & FSM_SYSCALL))
2135 rpmMessage(RPMMESS_DEBUG, " %8s (%s, \"w\") wfd %p wrbuf %p\n", cur,
2136 fsm->path, fsm->wfd, fsm->wrbuf);
2139 fsm->wrnb = Fwrite(fsm->wrbuf, sizeof(*fsm->wrbuf), fsm->rdnb, fsm->wfd);
2140 if (_fsm_debug && (stage & FSM_SYSCALL))
2141 rpmMessage(RPMMESS_DEBUG, " %8s (wrbuf, %d, wfd)\twrnb %d\n",
2142 cur, (int)fsm->rdnb, (int)fsm->wrnb);
2143 if (fsm->rdnb != fsm->wrnb || Ferror(fsm->wfd))
2144 rc = CPIOERR_WRITE_FAILED;
2148 if (_fsm_debug && (stage & FSM_SYSCALL))
2149 rpmMessage(RPMMESS_DEBUG, " %8s (%p)\n", cur, fsm->wfd);
2150 (void) Fclose(fsm->wfd);
2163 if (!(stage & FSM_INTERNAL)) {
2164 fsm->rc = (rc == CPIOERR_HDR_TRAILER ? 0 : rc);
2170 /*@obserever@*/ const char *const fileActionString(fileAction a)
2173 case FA_UNKNOWN: return "unknown";
2174 case FA_CREATE: return "create";
2175 case FA_COPYOUT: return "copyout";
2176 case FA_COPYIN: return "copyin";
2177 case FA_BACKUP: return "backup";
2178 case FA_SAVE: return "save";
2179 case FA_SKIP: return "skip";
2180 case FA_ALTNAME: return "altname";
2181 case FA_ERASE: return "erase";
2182 case FA_SKIPNSTATE: return "skipnstate";
2183 case FA_SKIPNETSHARED: return "skipnetshared";
2184 case FA_SKIPMULTILIB: return "skipmultilib";
2185 default: return "???";
2190 /*@observer@*/ const char *const fileStageString(fileStage a) {
2192 case FSM_UNKNOWN: return "unknown";
2194 case FSM_PKGINSTALL:return "pkginstall";
2195 case FSM_PKGERASE: return "pkgerase";
2196 case FSM_PKGBUILD: return "pkgbuild";
2197 case FSM_PKGCOMMIT: return "pkgcommit";
2198 case FSM_PKGUNDO: return "pkgundo";
2200 case FSM_CREATE: return "create";
2201 case FSM_INIT: return "init";
2202 case FSM_MAP: return "map";
2203 case FSM_MKDIRS: return "mkdirs";
2204 case FSM_RMDIRS: return "rmdirs";
2205 case FSM_PRE: return "pre";
2206 case FSM_PROCESS: return "process";
2207 case FSM_POST: return "post";
2208 case FSM_MKLINKS: return "mklinks";
2209 case FSM_NOTIFY: return "notify";
2210 case FSM_UNDO: return "undo";
2211 case FSM_FINI: return "fini";
2212 case FSM_COMMIT: return "commit";
2213 case FSM_DESTROY: return "destroy";
2214 case FSM_VERIFY: return "verify";
2216 case FSM_UNLINK: return "Unlink";
2217 case FSM_RENAME: return "Rename";
2218 case FSM_MKDIR: return "Mkdir";
2219 case FSM_RMDIR: return "rmdir";
2220 case FSM_CHOWN: return "chown";
2221 case FSM_LCHOWN: return "lchown";
2222 case FSM_CHMOD: return "chmod";
2223 case FSM_UTIME: return "utime";
2224 case FSM_SYMLINK: return "symlink";
2225 case FSM_LINK: return "Link";
2226 case FSM_MKFIFO: return "mkfifo";
2227 case FSM_MKNOD: return "mknod";
2228 case FSM_LSTAT: return "Lstat";
2229 case FSM_STAT: return "Stat";
2230 case FSM_READLINK: return "Readlink";
2231 case FSM_CHROOT: return "chroot";
2233 case FSM_NEXT: return "next";
2234 case FSM_EAT: return "eat";
2235 case FSM_POS: return "pos";
2236 case FSM_PAD: return "pad";
2237 case FSM_TRAILER: return "trailer";
2238 case FSM_HREAD: return "hread";
2239 case FSM_HWRITE: return "hwrite";
2240 case FSM_DREAD: return "Fread";
2241 case FSM_DWRITE: return "Fwrite";
2243 case FSM_ROPEN: return "Fopen";
2244 case FSM_READ: return "Fread";
2245 case FSM_RCLOSE: return "Fclose";
2246 case FSM_WOPEN: return "Fopen";
2247 case FSM_WRITE: return "Fwrite";
2248 case FSM_WCLOSE: return "Fclose";
2250 default: return "???";