3 * File state machine to handle a payload from a package.
13 /*@access rpmTransactionSet @*/
18 /*@access availablePackage@*/ /* XXX fi->ap->key on callbacks */
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->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 (fi->ap ? fi->ap->key : NULL), 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->type == TR_ADDED);
590 if (fi->fstates && fi->type == TR_ADDED)
591 fi->fstates[i] = RPMFILE_STATE_NOTINSTALLED;
594 case FA_SKIPNETSHARED:
595 if (fi->fstates && fi->type == TR_ADDED)
596 fi->fstates[i] = RPMFILE_STATE_NETSHARED;
600 if (!(fsm->fflags & RPMFILE_GHOST)) /* XXX Don't if %ghost file. */
603 fsm->osuffix = SUFFIX_RPMORIG;
604 /*@innerbreak@*/ break;
606 fsm->osuffix = SUFFIX_RPMSAVE;
607 /*@innerbreak@*/ break;
612 assert(fi->type == TR_ADDED);
613 if (!(fsm->fflags & RPMFILE_GHOST)) /* XXX Don't if %ghost file. */
614 fsm->nsuffix = SUFFIX_RPMNEW;
618 assert(fi->type == TR_ADDED);
619 if (!(fsm->fflags & RPMFILE_GHOST)) /* XXX Don't if %ghost file. */
620 fsm->osuffix = SUFFIX_RPMSAVE;
623 assert(fi->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);
685 * Create file from payload stream.
686 * @param fsm file state machine data
687 * @return 0 on success
689 static int expandRegular(/*@special@*/ FSM_t fsm)
691 /*@globals fileSystem@*/
692 /*@modifies fsm, fileSystem @*/
694 const char * fmd5sum;
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. */
704 fmd5sum = fsm->fmd5sum;
706 if (st->st_size > 0 && fmd5sum)
707 fdInitDigest(fsm->wfd, PGPHASHALGO_MD5, 0);
711 fsm->wrlen = (left > fsm->wrsize ? fsm->wrsize : left);
712 rc = fsmStage(fsm, FSM_DREAD);
716 rc = fsmStage(fsm, FSM_WRITE);
722 /* don't call this with fileSize == fileComplete */
724 (void) fsmStage(fsm, FSM_NOTIFY);
727 if (st->st_size > 0 && fmd5sum) {
728 const char * md5sum = NULL;
730 (void) Fflush(fsm->wfd);
731 fdFiniDigest(fsm->wfd, PGPHASHALGO_MD5, (void **)&md5sum, NULL, 1);
733 if (md5sum == NULL) {
734 rc = CPIOERR_MD5SUM_MISMATCH;
736 if (strcmp(md5sum, fmd5sum))
737 rc = CPIOERR_MD5SUM_MISMATCH;
738 md5sum = _free(md5sum);
743 (void) fsmStage(fsm, FSM_WCLOSE);
748 * Write next item to payload stream.
749 * @param fsm file state machine data
750 * @param writeData should data be written?
751 * @return 0 on success
753 static int writeFile(/*@special@*/ FSM_t fsm, int writeData)
754 /*@uses fsm->path, fsm->opath, fsm->sb, fsm->osb, fsm->cfd @*/
755 /*@globals fileSystem@*/
756 /*@modifies fsm, fileSystem @*/
758 const char * path = fsm->path;
759 const char * opath = fsm->opath;
760 struct stat * st = &fsm->sb;
761 struct stat * ost = &fsm->osb;
762 size_t pos = fdGetCpioPos(fsm->cfd);
763 char * symbuf = NULL;
767 st->st_size = (writeData ? ost->st_size : 0);
770 if (S_ISDIR(st->st_mode)) {
772 } else if (S_ISLNK(st->st_mode)) {
774 * While linux puts the size of a symlink in the st_size field,
775 * I don't think that's a specified standard.
777 /* XXX NUL terminated result in fsm->rdbuf, len in fsm->rdnb. */
778 rc = fsmStage(fsm, FSM_READLINK);
780 st->st_size = fsm->rdnb;
781 symbuf = alloca_strdup(fsm->rdbuf); /* XXX save readlink return. */
785 if (fsm->mapFlags & CPIO_MAP_ABSOLUTE) {
786 int nb = strlen(fsm->dirName) + strlen(fsm->baseName) + sizeof(".");
787 char * t = alloca(nb);
790 if (fsm->mapFlags & CPIO_MAP_ADDDOT)
792 t = stpcpy( stpcpy(t, fsm->dirName), fsm->baseName);
793 } else if (fsm->mapFlags & CPIO_MAP_PATH) {
794 TFI_t fi = fsmGetFi(fsm);
796 (fi->apath ? fi->apath[fsm->ix] + fi->striplen : fi->bnl[fsm->ix]);
799 rc = fsmStage(fsm, FSM_HWRITE);
803 if (writeData && S_ISREG(st->st_mode)) {
806 void * mapped = (void *)-1;
810 rc = fsmStage(fsm, FSM_ROPEN);
813 /* XXX unbuffered mmap generates *lots* of fdio debugging */
816 mapped = mmap(NULL, st->st_size, PROT_READ, MAP_SHARED, Fileno(fsm->rfd), 0);
817 if (mapped != (void *)-1) {
819 fsm->rdbuf = (char *) mapped;
820 fsm->rdlen = nmapped = st->st_size;
828 if (mapped != (void *)-1) {
833 fsm->rdlen = (left > fsm->rdsize ? fsm->rdsize : left),
834 rc = fsmStage(fsm, FSM_READ);
838 /* XXX DWRITE uses rdnb for I/O length. */
839 rc = fsmStage(fsm, FSM_DWRITE);
846 if (mapped != (void *)-1) {
847 /*@-noeffect@*/ (void) munmap(mapped, nmapped) /*@=noeffect@*/;
852 } else if (writeData && S_ISLNK(st->st_mode)) {
853 /* XXX DWRITE uses rdnb for I/O length. */
854 strcpy(fsm->rdbuf, symbuf); /* XXX restore readlink buffer. */
855 fsm->rdnb = strlen(symbuf);
856 rc = fsmStage(fsm, FSM_DWRITE);
860 rc = fsmStage(fsm, FSM_PAD);
863 { const rpmTransactionSet ts = fsmGetTs(fsm);
864 TFI_t fi = fsmGetFi(fsm);
865 if (ts && ts->notify && fi) {
866 size_t size = (fdGetCpioPos(fsm->cfd) - pos);
867 /*@-type@*/ /* FIX: cast? */
868 /*@-noeffectuncon @*/ /* FIX: check rc */
869 (void)ts->notify(fi->h, RPMCALLBACK_INST_PROGRESS, size, size,
870 (fi->ap ? fi->ap->key : NULL), ts->notifyData);
871 /*@=noeffectuncon @*/
880 (void) fsmStage(fsm, FSM_RCLOSE);
881 /*@-dependenttrans@*/
884 /*@=dependenttrans@*/
889 * Write set of linked files to payload stream.
890 * @param fsm file state machine data
891 * @return 0 on success
893 static int writeLinkedFile(/*@special@*/ FSM_t fsm)
894 /*@uses fsm->path, fsm->nsuffix, fsm->ix, fsm->li, fsm->failedFile @*/
895 /*@globals fileSystem@*/
896 /*@modifies fsm, fileSystem @*/
898 const char * path = fsm->path;
899 const char * nsuffix = fsm->nsuffix;
900 int iterIndex = fsm->ix;
909 for (i = fsm->li->nlink - 1; i >= 0; i--) {
911 if (fsm->li->filex[i] < 0) continue;
913 fsm->ix = fsm->li->filex[i];
914 rc = fsmStage(fsm, FSM_MAP);
916 /* Write data after last link. */
917 rc = writeFile(fsm, (i == 0));
918 if (fsm->failedFile && rc != 0 && *fsm->failedFile == NULL) {
920 *fsm->failedFile = xstrdup(fsm->path);
923 fsm->path = _free(fsm->path);
924 fsm->li->filex[i] = -1;
928 fsm->nsuffix = nsuffix;
934 * Create pending hard links to existing file.
935 * @param fsm file state machine data
936 * @return 0 on success
938 static int fsmMakeLinks(/*@special@*/ FSM_t fsm)
939 /*@uses fsm->path, fsm->opath, fsm->nsuffix, fsm->ix, fsm->li @*/
940 /*@globals fileSystem@*/
941 /*@modifies fsm, fileSystem @*/
943 const char * path = fsm->path;
944 const char * opath = fsm->opath;
945 const char * nsuffix = fsm->nsuffix;
946 int iterIndex = fsm->ix;
956 fsm->ix = fsm->li->filex[fsm->li->createdPath];
957 rc = fsmStage(fsm, FSM_MAP);
958 fsm->opath = fsm->path;
961 for (i = 0; i < fsm->li->nlink; i++) {
962 if (fsm->li->filex[i] < 0) continue;
963 if (i == fsm->li->createdPath) continue;
965 fsm->ix = fsm->li->filex[i];
966 fsm->path = _free(fsm->path);
967 rc = fsmStage(fsm, FSM_MAP);
968 rc = fsmStage(fsm, FSM_VERIFY);
970 if (rc != CPIOERR_LSTAT_FAILED) break;
972 /* XXX link(fsm->opath, fsm->path) */
973 rc = fsmStage(fsm, FSM_LINK);
974 if (fsm->failedFile && rc != 0 && *fsm->failedFile == NULL) {
976 *fsm->failedFile = xstrdup(fsm->path);
979 fsm->li->linksLeft--;
982 fsm->path = _free(fsm->path);
983 fsm->opath = _free(fsm->opath);
986 fsm->nsuffix = nsuffix;
993 * Commit hard linked file set atomically.
994 * @param fsm file state machine data
995 * @return 0 on success
997 static int fsmCommitLinks(/*@special@*/ FSM_t fsm)
998 /*@uses fsm->path, fsm->nsuffix, fsm->ix, fsm->sb,
999 fsm->li, fsm->links @*/
1000 /*@globals fileSystem@*/
1001 /*@modifies fsm, fileSystem @*/
1003 const char * path = fsm->path;
1004 const char * nsuffix = fsm->nsuffix;
1005 int iterIndex = fsm->ix;
1006 struct stat * st = &fsm->sb;
1011 fsm->nsuffix = NULL;
1015 for (fsm->li = fsm->links; fsm->li; fsm->li = fsm->li->next) {
1016 if (fsm->li->sb.st_ino == st->st_ino && fsm->li->sb.st_dev == st->st_dev)
1021 for (i = 0; i < fsm->li->nlink; i++) {
1022 if (fsm->li->filex[i] < 0) continue;
1023 fsm->ix = fsm->li->filex[i];
1024 rc = fsmStage(fsm, FSM_MAP);
1025 rc = fsmStage(fsm, FSM_COMMIT);
1026 fsm->path = _free(fsm->path);
1027 fsm->li->filex[i] = -1;
1030 fsm->ix = iterIndex;
1031 fsm->nsuffix = nsuffix;
1037 * Remove (if created) directories not explicitly included in package.
1038 * @param fsm file state machine data
1039 * @return 0 on success
1041 static int fsmRmdirs(/*@special@*/ FSM_t fsm)
1042 /*@uses fsm->path, fsm->dnlx, fsm->ldn, fsm->rdbuf, fsm->iter @*/
1043 /*@globals fileSystem@*/
1044 /*@modifies fsm, fileSystem @*/
1046 const char * path = fsm->path;
1047 void * dnli = dnlInitIterator(fsm, 1);
1048 char * dn = fsm->rdbuf;
1049 int dc = dnlCount(dnli);
1054 /*@-observertrans -dependenttrans@*/
1055 if (fsm->ldn != NULL && fsm->dnlx != NULL)
1056 while ((fsm->path = dnlNextIterator(dnli)) != NULL) {
1057 int dnlen = strlen(fsm->path);
1060 dc = dnlIndex(dnli);
1061 if (fsm->dnlx[dc] < 1 || fsm->dnlx[dc] >= dnlen)
1064 /* Copy to avoid const on fsm->path. */
1065 te = stpcpy(dn, fsm->path) - 1;
1068 /* Remove generated directories. */
1069 /*@-usereleased@*/ /* LCL: te used after release? */
1073 rc = fsmStage(fsm, FSM_RMDIR);
1077 /*@innerbreak@*/ break;
1079 } while ((te - fsm->path) > fsm->dnlx[dc]);
1082 dnli = dnlFreeIterator(dnli);
1083 /*@=observertrans =dependenttrans@*/
1090 * Create (if necessary) directories not explicitly included in package.
1091 * @param fsm file state machine data
1092 * @return 0 on success
1094 static int fsmMkdirs(/*@special@*/ FSM_t fsm)
1095 /*@uses fsm->path, fsm->sb, fsm->osb, fsm->rdbuf, fsm->iter,
1096 fsm->ldn, fsm->ldnlen, fsm->ldnalloc @*/
1097 /*@defines fsm->dnlx, fsm->ldn @*/
1098 /*@globals fileSystem@*/
1099 /*@modifies fsm, fileSystem @*/
1101 struct stat * st = &fsm->sb;
1102 struct stat * ost = &fsm->osb;
1103 const char * path = fsm->path;
1104 mode_t st_mode = st->st_mode;
1105 void * dnli = dnlInitIterator(fsm, 0);
1106 char * dn = fsm->rdbuf;
1107 int dc = dnlCount(dnli);
1114 fsm->dnlx = (dc ? xcalloc(dc, sizeof(*fsm->dnlx)) : NULL);
1115 /*@-observertrans -dependenttrans@*/
1116 if (fsm->dnlx != NULL)
1117 while ((fsm->path = dnlNextIterator(dnli)) != NULL) {
1118 int dnlen = strlen(fsm->path);
1121 dc = dnlIndex(dnli);
1122 if (dc < 0) continue;
1123 fsm->dnlx[dc] = dnlen;
1127 /*@-compdef -nullpass@*/ /* FIX: fsm->ldn not defined ??? */
1128 if (dnlen <= fsm->ldnlen && !strcmp(fsm->path, fsm->ldn))
1130 /*@=compdef =nullpass@*/
1132 /* Copy to avoid const on fsm->path. */
1133 (void) stpcpy(dn, fsm->path);
1136 /* Assume '/' directory exists, "mkdir -p" for others if non-existent */
1137 for (i = 1, te = dn + 1; *te != '\0'; te++, i++) {
1139 /*@innercontinue@*/ continue;
1143 /* Already validated? */
1144 /*@-usedef -compdef -nullpass -nullderef@*/
1145 if (i < fsm->ldnlen &&
1146 (fsm->ldn[i] == '/' || fsm->ldn[i] == '\0') &&
1147 !strncmp(fsm->path, fsm->ldn, i))
1150 /* Move pre-existing path marker forward. */
1151 fsm->dnlx[dc] = (te - dn);
1152 /*@innercontinue@*/ continue;
1154 /*@=usedef =compdef =nullpass =nullderef@*/
1156 /* Validate next component of path. */
1157 rc = fsmStage(fsm, FSM_LSTAT);
1160 /* Directory already exists? */
1161 if (rc == 0 && S_ISDIR(ost->st_mode)) {
1162 /* Move pre-existing path marker forward. */
1163 fsm->dnlx[dc] = (te - dn);
1164 } else if (rc == CPIOERR_LSTAT_FAILED) {
1165 TFI_t fi = fsmGetFi(fsm);
1167 st->st_mode = S_IFDIR | (fi->dperms & 07777);
1168 rc = fsmStage(fsm, FSM_MKDIR);
1170 rpmMessage(RPMMESS_DEBUG,
1171 _("%s directory created with perms %04o.\n"),
1172 fsm->path, (unsigned)(st->st_mode & 07777));
1176 /*@innerbreak@*/ break;
1180 /* Save last validated path. */
1181 if (fsm->ldnalloc < (dnlen + 1)) {
1182 fsm->ldnalloc = dnlen + 100;
1183 fsm->ldn = xrealloc(fsm->ldn, fsm->ldnalloc);
1185 if (fsm->ldn != NULL) { /* XXX can't happen */
1186 strcpy(fsm->ldn, fsm->path);
1187 fsm->ldnlen = dnlen;
1190 dnli = dnlFreeIterator(dnli);
1191 /*@=observertrans =dependenttrans@*/
1194 st->st_mode = st_mode; /* XXX restore st->st_mode */
1200 * Check for file on disk.
1201 * @param fsm file state machine data
1202 * @return 0 on success
1204 static int fsmStat(FSM_t fsm)
1206 int saveerrno = errno;
1209 if (fsm->path != NULL) {
1210 int saveernno = errno;
1211 rc = fsmStage(fsm, (!(fsm->mapFlags & CPIO_FOLLOW_SYMLINKS)
1212 ? FSM_LSTAT : FSM_STAT));
1213 if (rc == CPIOERR_LSTAT_FAILED && errno == ENOENT) {
1217 } else if (rc == 0) {
1221 /* Skip %ghost files on build. */
1229 int fsmStage(FSM_t fsm, fileStage stage)
1232 fileStage prevStage = fsm->stage;
1233 const char * const prev = fileStageString(prevStage);
1235 static int modulo = 4;
1236 const char * const cur = fileStageString(stage);
1237 struct stat * st = &fsm->sb;
1238 struct stat * ost = &fsm->osb;
1239 int saveerrno = errno;
1244 #define _fafilter(_a) \
1245 (!((_a) == FA_CREATE || (_a) == FA_ERASE || (_a) == FA_COPYIN || (_a) == FA_COPYOUT) \
1246 ? fileActionString(_a) : "")
1248 if (stage & FSM_DEAD) {
1250 } else if (stage & FSM_INTERNAL) {
1251 if (_fsm_debug && !(stage & FSM_SYSCALL))
1252 rpmMessage(RPMMESS_DEBUG, " %8s %06o%3d (%4d,%4d)%10d %s %s\n",
1254 (unsigned)st->st_mode, (int)st->st_nlink,
1255 (int)st->st_uid, (int)st->st_gid, (int)st->st_size,
1256 (fsm->path ? fsm->path : ""),
1257 _fafilter(fsm->action));
1260 if (_fsm_debug || !(stage & FSM_VERBOSE))
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 + fsm->astriplen : ""),
1266 _fafilter(fsm->action));
1274 case FSM_PKGINSTALL:
1276 /* Clean fsm, free'ing memory. Read next archive header. */
1277 rc = fsmStage(fsm, FSM_INIT);
1279 /* Exit on end-of-payload. */
1280 if (rc == CPIOERR_HDR_TRAILER) {
1282 /*@loopbreak@*/ break;
1285 /* Exit on error. */
1288 (void) fsmStage(fsm, FSM_UNDO);
1289 /*@loopbreak@*/ break;
1292 /* Extract file from archive. */
1293 rc = fsmStage(fsm, FSM_PROCESS);
1295 (void) fsmStage(fsm, FSM_UNDO);
1296 /*@loopbreak@*/ break;
1299 /* Notify on success. */
1300 (void) fsmStage(fsm, FSM_NOTIFY);
1302 rc = fsmStage(fsm, FSM_FINI);
1304 /*@loopbreak@*/ break;
1311 /* Clean fsm, free'ing memory. */
1312 rc = fsmStage(fsm, FSM_INIT);
1314 /* Exit on end-of-payload. */
1315 if (rc == CPIOERR_HDR_TRAILER) {
1317 /*@loopbreak@*/ break;
1320 /* Rename/erase next item. */
1321 if (fsmStage(fsm, FSM_FINI))
1322 /*@loopbreak@*/ break;
1328 rc = fsmStage(fsm, FSM_INIT);
1330 /* Exit on end-of-payload. */
1331 if (rc == CPIOERR_HDR_TRAILER) {
1333 /*@loopbreak@*/ break;
1336 /* Exit on error. */
1339 (void) fsmStage(fsm, FSM_UNDO);
1340 /*@loopbreak@*/ break;
1343 /* Copy file into archive. */
1344 rc = fsmStage(fsm, FSM_PROCESS);
1346 (void) fsmStage(fsm, FSM_UNDO);
1347 /*@loopbreak@*/ break;
1350 if (fsmStage(fsm, FSM_FINI))
1351 /*@loopbreak@*/ break;
1354 /* Flush partial sets of hard linked files. */
1355 if (!(fsm->mapFlags & CPIO_ALL_HARDLINKS)) {
1357 while ((fsm->li = fsm->links) != NULL) {
1358 fsm->links = fsm->li->next;
1359 fsm->li->next = NULL;
1361 /* Re-calculate link count for archive header. */
1362 for (j = -1, nlink = 0, i = 0; i < fsm->li->nlink; i++) {
1363 if (fsm->li->filex[i] < 0)
1364 /*@innercontinue@*/ continue;
1368 /* XXX force the contents out as well. */
1370 fsm->li->filex[0] = fsm->li->filex[j];
1371 fsm->li->filex[j] = -1;
1373 fsm->li->sb.st_nlink = nlink;
1375 fsm->sb = fsm->li->sb; /* structure assignment */
1376 fsm->osb = fsm->sb; /* structure assignment */
1378 if (!rc) rc = writeLinkedFile(fsm);
1380 fsm->li = freeHardLink(fsm->li);
1385 rc = fsmStage(fsm, FSM_TRAILER);
1389 { rpmTransactionSet ts = fsmGetTs(fsm);
1390 #define _tsmask (RPMTRANS_FLAG_PKGCOMMIT | RPMTRANS_FLAG_COMMIT)
1391 fsm->commit = ((ts && (ts->transFlags & _tsmask) &&
1392 fsm->goal != FSM_PKGCOMMIT) ? 0 : 1);
1395 fsm->path = _free(fsm->path);
1396 fsm->opath = _free(fsm->opath);
1397 fsm->dnlx = _free(fsm->dnlx);
1399 fsm->ldn = _free(fsm->ldn);
1400 fsm->ldnalloc = fsm->ldnlen = 0;
1402 fsm->rdsize = fsm->wrsize = 0;
1403 fsm->rdbuf = fsm->rdb = _free(fsm->rdb);
1404 fsm->wrbuf = fsm->wrb = _free(fsm->wrb);
1405 if (fsm->goal == FSM_PKGINSTALL || fsm->goal == FSM_PKGBUILD) {
1406 fsm->rdsize = 8 * BUFSIZ;
1407 fsm->rdbuf = fsm->rdb = xmalloc(fsm->rdsize);
1408 fsm->wrsize = 8 * BUFSIZ;
1409 fsm->wrbuf = fsm->wrb = xmalloc(fsm->wrsize);
1412 fsm->mkdirsdone = 0;
1417 errno = 0; /* XXX get rid of EBADF */
1420 /* Detect and create directories not explicitly in package. */
1421 if (fsm->goal == FSM_PKGINSTALL) {
1422 rc = fsmStage(fsm, FSM_MKDIRS);
1423 if (!rc) fsm->mkdirsdone = 1;
1428 fsm->path = _free(fsm->path);
1430 fsm->diskchecked = fsm->exists = 0;
1432 fsm->suffix = (fsm->sufbuf[0] != '\0' ? fsm->sufbuf : NULL);
1433 fsm->action = FA_UNKNOWN;
1434 fsm->osuffix = NULL;
1435 fsm->nsuffix = NULL;
1437 if (fsm->goal == FSM_PKGINSTALL) {
1438 /* Read next header from payload, checking for end-of-payload. */
1439 rc = fsmStage(fsm, FSM_NEXT);
1443 /* Identify mapping index. */
1444 fsm->ix = ((fsm->goal == FSM_PKGINSTALL)
1445 ? mapFind(fsm->iter, fsm->path) : mapNextIterator(fsm->iter));
1447 /* Detect end-of-loop and/or mapping error. */
1449 if (fsm->goal == FSM_PKGINSTALL) {
1451 rpmMessage(RPMMESS_WARNING,
1452 _("archive file %s was not found in header file list\n"),
1455 if (fsm->failedFile && *fsm->failedFile == NULL)
1456 *fsm->failedFile = xstrdup(fsm->path);
1457 rc = CPIOERR_UNMAPPED_FILE;
1459 rc = CPIOERR_HDR_TRAILER;
1464 /* On non-install, mode must be known so that dirs don't get suffix. */
1465 if (fsm->goal != FSM_PKGINSTALL) {
1466 TFI_t fi = fsmGetFi(fsm);
1467 st->st_mode = fi->fmodes[fsm->ix];
1470 /* Generate file path. */
1471 rc = fsmStage(fsm, FSM_MAP);
1474 /* Perform lstat/stat for disk file. */
1478 if (fsm->path != NULL) {
1479 rc = fsmStage(fsm, (!(fsm->mapFlags & CPIO_FOLLOW_SYMLINKS)
1480 ? FSM_LSTAT : FSM_STAT));
1481 if (rc == CPIOERR_LSTAT_FAILED && errno == ENOENT) {
1487 } else if (rc == 0) {
1491 /* Skip %ghost files on build. */
1495 fsm->diskchecked = 1;
1498 /* On non-install, the disk file stat is what's remapped. */
1499 if (fsm->goal != FSM_PKGINSTALL)
1500 *st = *ost; /* structure assignment */
1502 /* Remap file perms, owner, and group. */
1503 rc = fsmMapAttrs(fsm);
1506 fsm->postpone = XFA_SKIPPING(fsm->action);
1507 if (fsm->goal == FSM_PKGINSTALL || fsm->goal == FSM_PKGBUILD) {
1508 /*@-evalorder@*/ /* FIX: saveHardLink can modify fsm */
1509 if (!S_ISDIR(st->st_mode) && st->st_nlink > 1)
1510 fsm->postpone = saveHardLink(fsm);
1517 rc = fsmMapPath(fsm);
1520 rc = fsmMkdirs(fsm);
1524 rc = fsmRmdirs(fsm);
1527 if (fsm->postpone) {
1528 if (fsm->goal == FSM_PKGINSTALL)
1529 rc = fsmStage(fsm, FSM_EAT);
1533 if (fsm->goal == FSM_PKGBUILD) {
1534 if (!S_ISDIR(st->st_mode) && st->st_nlink > 1) {
1535 struct hardLink * li, * prev;
1537 if (!(fsm->mapFlags & CPIO_ALL_HARDLINKS)) break;
1538 rc = writeLinkedFile(fsm);
1539 if (rc) break; /* W2DO? */
1541 for (li = fsm->links, prev = NULL; li; prev = li, li = li->next)
1543 /*@loopbreak@*/ break;
1546 fsm->links = fsm->li->next;
1548 prev->next = fsm->li->next;
1549 fsm->li->next = NULL;
1550 fsm->li = freeHardLink(fsm->li);
1552 rc = writeFile(fsm, 1);
1557 if (fsm->goal != FSM_PKGINSTALL)
1560 if (S_ISREG(st->st_mode)) {
1561 const char * path = fsm->path;
1563 fsm->path = fsmFsPath(fsm, st, NULL, NULL);
1564 rc = fsmStage(fsm, FSM_VERIFY);
1566 if (rc == 0 && fsm->osuffix) {
1567 const char * opath = fsm->opath;
1568 fsm->opath = fsm->path;
1569 fsm->path = fsmFsPath(fsm, st, NULL, fsm->osuffix);
1570 rc = fsmStage(fsm, FSM_RENAME);
1572 rpmMessage(RPMMESS_WARNING,
1573 _("%s saved as %s\n"), fsm->opath, fsm->path);
1574 fsm->path = _free(fsm->path);
1578 /*@-dependenttrans@*/
1580 /*@=dependenttrans@*/
1581 if (rc != CPIOERR_LSTAT_FAILED) return rc;
1582 rc = expandRegular(fsm);
1583 } else if (S_ISDIR(st->st_mode)) {
1584 mode_t st_mode = st->st_mode;
1585 rc = fsmStage(fsm, FSM_VERIFY);
1586 if (rc == CPIOERR_LSTAT_FAILED) {
1587 st->st_mode &= ~07777; /* XXX abuse st->st_mode */
1588 st->st_mode |= 00700;
1589 rc = fsmStage(fsm, FSM_MKDIR);
1590 st->st_mode = st_mode; /* XXX restore st->st_mode */
1592 } else if (S_ISLNK(st->st_mode)) {
1593 const char * opath = fsm->opath;
1595 if ((st->st_size + 1) > fsm->rdsize) {
1596 rc = CPIOERR_HDR_SIZE;
1600 fsm->wrlen = st->st_size;
1601 rc = fsmStage(fsm, FSM_DREAD);
1602 if (!rc && fsm->rdnb != fsm->wrlen)
1603 rc = CPIOERR_READ_FAILED;
1606 fsm->wrbuf[st->st_size] = '\0';
1607 /* XXX symlink(fsm->opath, fsm->path) */
1608 /*@-dependenttrans@*/
1609 fsm->opath = fsm->wrbuf;
1610 /*@=dependenttrans@*/
1611 rc = fsmStage(fsm, FSM_VERIFY);
1612 if (rc == CPIOERR_LSTAT_FAILED)
1613 rc = fsmStage(fsm, FSM_SYMLINK);
1614 fsm->opath = opath; /* XXX restore fsm->path */
1615 } else if (S_ISFIFO(st->st_mode)) {
1616 mode_t st_mode = st->st_mode;
1617 /* This mimics cpio S_ISSOCK() behavior but probably isnt' right */
1618 rc = fsmStage(fsm, FSM_VERIFY);
1619 if (rc == CPIOERR_LSTAT_FAILED) {
1620 st->st_mode = 0000; /* XXX abuse st->st_mode */
1621 rc = fsmStage(fsm, FSM_MKFIFO);
1622 st->st_mode = st_mode; /* XXX restore st->st_mode */
1624 } else if (S_ISCHR(st->st_mode) ||
1625 S_ISBLK(st->st_mode) ||
1626 /*@-unrecog@*/ S_ISSOCK(st->st_mode) /*@=unrecog@*/)
1628 rc = fsmStage(fsm, FSM_VERIFY);
1629 if (rc == CPIOERR_LSTAT_FAILED)
1630 rc = fsmStage(fsm, FSM_MKNOD);
1632 rc = CPIOERR_UNKNOWN_FILETYPE;
1634 if (!S_ISDIR(st->st_mode) && st->st_nlink > 1) {
1635 fsm->li->createdPath = fsm->li->linkIndex;
1636 rc = fsmMakeLinks(fsm);
1642 rc = fsmMakeLinks(fsm);
1644 case FSM_NOTIFY: /* XXX move from fsm to psm -> tsm */
1645 if (fsm->goal == FSM_PKGINSTALL || fsm->goal == FSM_PKGBUILD) {
1646 rpmTransactionSet ts = fsmGetTs(fsm);
1647 TFI_t fi = fsmGetFi(fsm);
1648 if (ts && ts->notify && fi) {
1649 /*@-type@*/ /* FIX: cast? */
1650 /*@-noeffectuncon @*/ /* FIX: check rc */
1651 (void)ts->notify(fi->h, RPMCALLBACK_INST_PROGRESS,
1652 fdGetCpioPos(fsm->cfd), fi->archiveSize,
1653 (fi->ap ? fi->ap->key : NULL), ts->notifyData);
1654 /*@=noeffectuncon @*/
1662 if (fsm->goal == FSM_PKGINSTALL) {
1663 (void) fsmStage(fsm,
1664 (S_ISDIR(st->st_mode) ? FSM_RMDIR : FSM_UNLINK));
1666 #ifdef NOTYET /* XXX remove only dirs just created, not all. */
1668 (void) fsmStage(fsm, FSM_RMDIRS);
1674 if (fsm->failedFile && *fsm->failedFile == NULL)
1675 *fsm->failedFile = xstrdup(fsm->path);
1678 if (!fsm->postpone && fsm->commit) {
1679 if (fsm->goal == FSM_PKGINSTALL)
1680 rc = ((!S_ISDIR(st->st_mode) && st->st_nlink > 1)
1681 ? fsmCommitLinks(fsm) : fsmStage(fsm, FSM_COMMIT));
1682 if (fsm->goal == FSM_PKGCOMMIT)
1683 rc = fsmStage(fsm, FSM_COMMIT);
1684 if (fsm->goal == FSM_PKGERASE)
1685 rc = fsmStage(fsm, FSM_COMMIT);
1687 fsm->path = _free(fsm->path);
1688 fsm->opath = _free(fsm->opath);
1689 memset(st, 0, sizeof(*st));
1690 memset(ost, 0, sizeof(*ost));
1693 /* Rename pre-existing modified or unmanaged file. */
1694 if (fsm->diskchecked && fsm->exists && fsm->osuffix) {
1695 const char * opath = fsm->opath;
1696 const char * path = fsm->path;
1697 fsm->opath = fsmFsPath(fsm, st, NULL, NULL);
1698 fsm->path = fsmFsPath(fsm, st, NULL, fsm->osuffix);
1699 rc = fsmStage(fsm, FSM_RENAME);
1701 rpmMessage(RPMMESS_WARNING, _("%s saved as %s\n"),
1702 fsm->opath, fsm->path);
1704 fsm->path = _free(fsm->path);
1706 fsm->opath = _free(fsm->opath);
1710 /* Remove erased files. */
1711 if (fsm->goal == FSM_PKGERASE) {
1712 if (fsm->action == FA_ERASE) {
1713 TFI_t fi = fsmGetFi(fsm);
1714 if (S_ISDIR(st->st_mode)) {
1715 rc = fsmStage(fsm, FSM_RMDIR);
1718 case ENOENT: /* XXX rmdir("/") linux 2.2.x kernel hack */
1720 /* XXX make sure that build side permits %missingok on directories. */
1721 if (fsm->fflags & RPMFILE_MISSINGOK)
1722 /*@innerbreak@*/ break;
1724 /* XXX common error message. */
1726 (strict_erasures ? RPMERR_RMDIR : RPMDEBUG_RMDIR),
1727 _("%s rmdir of %s failed: Directory not empty\n"),
1728 fiTypeString(fi), fsm->path);
1729 /*@innerbreak@*/ break;
1732 (strict_erasures ? RPMERR_RMDIR : RPMDEBUG_RMDIR),
1733 _("%s rmdir of %s failed: %s\n"),
1734 fiTypeString(fi), fsm->path, strerror(errno));
1735 /*@innerbreak@*/ break;
1738 rc = fsmStage(fsm, FSM_UNLINK);
1740 if (!(errno == ENOENT && (fsm->fflags & RPMFILE_MISSINGOK)))
1742 (strict_erasures ? RPMERR_UNLINK : RPMDEBUG_UNLINK),
1743 _("%s unlink of %s failed: %s\n"),
1744 fiTypeString(fi), fsm->path, strerror(errno));
1747 /* XXX Failure to remove is not (yet) cause for failure. */
1748 if (!strict_erasures) rc = 0;
1752 if (!S_ISSOCK(st->st_mode)) { /* XXX /dev/log et al are skipped */
1753 /* Rename temporary to final file name. */
1754 if (!S_ISDIR(st->st_mode) &&
1755 (fsm->subdir || fsm->suffix || fsm->nsuffix))
1757 fsm->opath = fsm->path;
1758 fsm->path = fsmFsPath(fsm, st, NULL, fsm->nsuffix);
1759 rc = fsmStage(fsm, FSM_RENAME);
1760 if (!rc && fsm->nsuffix) {
1761 const char * opath = fsmFsPath(fsm, st, NULL, NULL);
1762 rpmMessage(RPMMESS_WARNING, _("%s created as %s\n"),
1763 (opath ? opath : ""), fsm->path);
1764 opath = _free(opath);
1766 fsm->opath = _free(fsm->opath);
1768 if (S_ISLNK(st->st_mode)) {
1769 if (!rc && !getuid())
1770 rc = fsmStage(fsm, FSM_LCHOWN);
1772 if (!rc && !getuid())
1773 rc = fsmStage(fsm, FSM_CHOWN);
1775 rc = fsmStage(fsm, FSM_CHMOD);
1777 time_t mtime = st->st_mtime;
1778 TFI_t fi = fsmGetFi(fsm);
1780 st->st_mtime = fi->fmtimes[fsm->ix];
1781 rc = fsmStage(fsm, FSM_UTIME);
1782 st->st_mtime = mtime;
1787 /* Notify on success. */
1788 if (!rc) rc = fsmStage(fsm, FSM_NOTIFY);
1789 else if (fsm->failedFile && *fsm->failedFile == NULL) {
1790 *fsm->failedFile = fsm->path;
1795 fsm->path = _free(fsm->path);
1797 /* Check for hard links missing from payload. */
1798 while ((fsm->li = fsm->links) != NULL) {
1799 fsm->links = fsm->li->next;
1800 fsm->li->next = NULL;
1801 if (fsm->goal == FSM_PKGINSTALL &&
1802 fsm->commit && fsm->li->linksLeft)
1804 for (i = 0 ; i < fsm->li->linksLeft; i++) {
1805 if (fsm->li->filex[i] < 0)
1806 /*@innercontinue@*/ continue;
1807 rc = CPIOERR_MISSING_HARDLINK;
1808 if (fsm->failedFile && *fsm->failedFile == NULL) {
1809 fsm->ix = fsm->li->filex[i];
1810 if (!fsmStage(fsm, FSM_MAP)) {
1811 *fsm->failedFile = fsm->path;
1815 /*@loopbreak@*/ break;
1818 if (fsm->goal == FSM_PKGBUILD &&
1819 (fsm->mapFlags & CPIO_ALL_HARDLINKS))
1821 rc = CPIOERR_MISSING_HARDLINK;
1823 fsm->li = freeHardLink(fsm->li);
1825 fsm->ldn = _free(fsm->ldn);
1826 fsm->ldnalloc = fsm->ldnlen = 0;
1827 fsm->rdbuf = fsm->rdb = _free(fsm->rdb);
1828 fsm->wrbuf = fsm->wrb = _free(fsm->wrb);
1831 if (fsm->diskchecked && !fsm->exists) {
1832 rc = CPIOERR_LSTAT_FAILED;
1835 if (S_ISREG(st->st_mode)) {
1836 char * path = alloca(strlen(fsm->path) + sizeof("-RPMDELETE"));
1837 (void) stpcpy( stpcpy(path, fsm->path), "-RPMDELETE");
1839 * XXX HP-UX (and other os'es) don't permit unlink on busy
1842 fsm->opath = fsm->path;
1844 rc = fsmStage(fsm, FSM_RENAME);
1846 (void) fsmStage(fsm, FSM_UNLINK);
1848 rc = CPIOERR_UNLINK_FAILED;
1849 fsm->path = fsm->opath;
1851 return (rc ? rc : CPIOERR_LSTAT_FAILED); /* XXX HACK */
1852 /*@notreached@*/ break;
1853 } else if (S_ISDIR(st->st_mode)) {
1854 if (S_ISDIR(ost->st_mode)) return 0;
1855 if (S_ISLNK(ost->st_mode)) {
1856 rc = fsmStage(fsm, FSM_STAT);
1857 if (rc == CPIOERR_STAT_FAILED && errno == ENOENT) rc = 0;
1862 if (S_ISDIR(ost->st_mode)) return 0;
1864 } else if (S_ISLNK(st->st_mode)) {
1865 if (S_ISLNK(ost->st_mode)) {
1866 /* XXX NUL terminated result in fsm->rdbuf, len in fsm->rdnb. */
1867 rc = fsmStage(fsm, FSM_READLINK);
1872 if (!strcmp(fsm->opath, fsm->rdbuf)) return 0;
1874 } else if (S_ISFIFO(st->st_mode)) {
1875 if (S_ISFIFO(ost->st_mode)) return 0;
1876 } else if (S_ISCHR(st->st_mode) || S_ISBLK(st->st_mode)) {
1877 if ((S_ISCHR(ost->st_mode) || S_ISBLK(ost->st_mode)) &&
1878 (ost->st_rdev == st->st_rdev)) return 0;
1879 } else if (S_ISSOCK(st->st_mode)) {
1880 if (S_ISSOCK(ost->st_mode)) return 0;
1882 /* XXX shouldn't do this with commit/undo. */
1884 if (fsm->stage == FSM_PROCESS) rc = fsmStage(fsm, FSM_UNLINK);
1885 if (rc == 0) rc = CPIOERR_LSTAT_FAILED;
1886 return (rc ? rc : CPIOERR_LSTAT_FAILED); /* XXX HACK */
1887 /*@notreached@*/ break;
1890 rc = Unlink(fsm->path);
1891 if (_fsm_debug && (stage & FSM_SYSCALL))
1892 rpmMessage(RPMMESS_DEBUG, " %8s (%s) %s\n", cur,
1893 fsm->path, (rc < 0 ? strerror(errno) : ""));
1894 if (rc < 0) rc = CPIOERR_UNLINK_FAILED;
1897 rc = Rename(fsm->opath, fsm->path);
1898 if (_fsm_debug && (stage & FSM_SYSCALL))
1899 rpmMessage(RPMMESS_DEBUG, " %8s (%s, %s) %s\n", cur,
1900 fsm->opath, fsm->path, (rc < 0 ? strerror(errno) : ""));
1901 if (rc < 0) rc = CPIOERR_RENAME_FAILED;
1904 rc = Mkdir(fsm->path, (st->st_mode & 07777));
1905 if (_fsm_debug && (stage & FSM_SYSCALL))
1906 rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0%04o) %s\n", cur,
1907 fsm->path, (unsigned)(st->st_mode & 07777),
1908 (rc < 0 ? strerror(errno) : ""));
1909 if (rc < 0) rc = CPIOERR_MKDIR_FAILED;
1912 rc = Rmdir(fsm->path);
1913 if (_fsm_debug && (stage & FSM_SYSCALL))
1914 rpmMessage(RPMMESS_DEBUG, " %8s (%s) %s\n", cur,
1915 fsm->path, (rc < 0 ? strerror(errno) : ""));
1916 if (rc < 0) rc = CPIOERR_RMDIR_FAILED;
1919 rc = chown(fsm->path, st->st_uid, st->st_gid);
1920 if (_fsm_debug && (stage & FSM_SYSCALL))
1921 rpmMessage(RPMMESS_DEBUG, " %8s (%s, %d, %d) %s\n", cur,
1922 fsm->path, (int)st->st_uid, (int)st->st_gid,
1923 (rc < 0 ? strerror(errno) : ""));
1924 if (rc < 0) rc = CPIOERR_CHOWN_FAILED;
1927 #if ! CHOWN_FOLLOWS_SYMLINK
1928 rc = lchown(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;
1937 rc = chmod(fsm->path, (st->st_mode & 07777));
1938 if (_fsm_debug && (stage & FSM_SYSCALL))
1939 rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0%04o) %s\n", cur,
1940 fsm->path, (unsigned)(st->st_mode & 07777),
1941 (rc < 0 ? strerror(errno) : ""));
1942 if (rc < 0) rc = CPIOERR_CHMOD_FAILED;
1945 { struct utimbuf stamp;
1946 stamp.actime = st->st_mtime;
1947 stamp.modtime = st->st_mtime;
1948 rc = utime(fsm->path, &stamp);
1949 if (_fsm_debug && (stage & FSM_SYSCALL))
1950 rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0x%x) %s\n", cur,
1951 fsm->path, (unsigned)st->st_mtime,
1952 (rc < 0 ? strerror(errno) : ""));
1953 if (rc < 0) rc = CPIOERR_UTIME_FAILED;
1957 rc = symlink(fsm->opath, fsm->path);
1958 if (_fsm_debug && (stage & FSM_SYSCALL))
1959 rpmMessage(RPMMESS_DEBUG, " %8s (%s, %s) %s\n", cur,
1960 fsm->opath, fsm->path, (rc < 0 ? strerror(errno) : ""));
1961 if (rc < 0) rc = CPIOERR_SYMLINK_FAILED;
1964 rc = Link(fsm->opath, fsm->path);
1965 if (_fsm_debug && (stage & FSM_SYSCALL))
1966 rpmMessage(RPMMESS_DEBUG, " %8s (%s, %s) %s\n", cur,
1967 fsm->opath, fsm->path, (rc < 0 ? strerror(errno) : ""));
1968 if (rc < 0) rc = CPIOERR_LINK_FAILED;
1971 rc = mkfifo(fsm->path, (st->st_mode & 07777));
1972 if (_fsm_debug && (stage & FSM_SYSCALL))
1973 rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0%04o) %s\n", cur,
1974 fsm->path, (unsigned)(st->st_mode & 07777),
1975 (rc < 0 ? strerror(errno) : ""));
1976 if (rc < 0) rc = CPIOERR_MKFIFO_FAILED;
1979 /*@-unrecog -portability @*/ /* FIX: check S_IFIFO or dev != 0 */
1980 rc = mknod(fsm->path, (st->st_mode & ~07777), st->st_rdev);
1981 /*@=unrecog =portability @*/
1982 if (_fsm_debug && (stage & FSM_SYSCALL))
1983 rpmMessage(RPMMESS_DEBUG, " %8s (%s, 0%o, 0x%x) %s\n", cur,
1984 fsm->path, (unsigned)(st->st_mode & ~07777),
1985 (unsigned)st->st_rdev,
1986 (rc < 0 ? strerror(errno) : ""));
1987 if (rc < 0) rc = CPIOERR_MKNOD_FAILED;
1990 rc = Lstat(fsm->path, ost);
1991 if (_fsm_debug && (stage & FSM_SYSCALL) && rc && errno != ENOENT)
1992 rpmMessage(RPMMESS_DEBUG, " %8s (%s, ost) %s\n", cur,
1993 fsm->path, (rc < 0 ? strerror(errno) : ""));
1994 if (rc < 0) rc = CPIOERR_LSTAT_FAILED;
1997 rc = Stat(fsm->path, ost);
1998 if (_fsm_debug && (stage & FSM_SYSCALL) && rc && errno != ENOENT)
1999 rpmMessage(RPMMESS_DEBUG, " %8s (%s, ost) %s\n", cur,
2000 fsm->path, (rc < 0 ? strerror(errno) : ""));
2001 if (rc < 0) rc = CPIOERR_STAT_FAILED;
2004 /* XXX NUL terminated result in fsm->rdbuf, len in fsm->rdnb. */
2005 rc = Readlink(fsm->path, fsm->rdbuf, fsm->rdsize - 1);
2006 if (_fsm_debug && (stage & FSM_SYSCALL))
2007 rpmMessage(RPMMESS_DEBUG, " %8s (%s, rdbuf, %d) %s\n", cur,
2008 fsm->path, (int)(fsm->rdsize -1), (rc < 0 ? strerror(errno) : ""));
2009 if (rc < 0) rc = CPIOERR_READLINK_FAILED;
2012 fsm->rdbuf[fsm->rdnb] = '\0';
2020 rc = fsmStage(fsm, FSM_HREAD);
2022 if (!strcmp(fsm->path, CPIO_TRAILER)) { /* Detect end-of-payload. */
2023 fsm->path = _free(fsm->path);
2024 rc = CPIOERR_HDR_TRAILER;
2027 rc = fsmStage(fsm, FSM_POS);
2030 for (left = st->st_size; left > 0; left -= fsm->rdnb) {
2031 fsm->wrlen = (left > fsm->wrsize ? fsm->wrsize : left);
2032 rc = fsmStage(fsm, FSM_DREAD);
2034 /*@loopbreak@*/ break;
2038 left = (modulo - (fdGetCpioPos(fsm->cfd) % modulo)) % modulo;
2041 (void) fsmStage(fsm, FSM_DREAD);
2045 left = (modulo - (fdGetCpioPos(fsm->cfd) % modulo)) % modulo;
2047 memset(fsm->rdbuf, 0, left);
2048 /* XXX DWRITE uses rdnb for I/O length. */
2050 (void) fsmStage(fsm, FSM_DWRITE);
2054 rc = cpioTrailerWrite(fsm);
2057 rc = fsmStage(fsm, FSM_POS);
2059 rc = cpioHeaderRead(fsm, st); /* Read next payload header. */
2062 rc = cpioHeaderWrite(fsm, st); /* Write next payload header. */
2065 fsm->rdnb = Fread(fsm->wrbuf, sizeof(*fsm->wrbuf), fsm->wrlen, fsm->cfd);
2066 if (_fsm_debug && (stage & FSM_SYSCALL))
2067 rpmMessage(RPMMESS_DEBUG, " %8s (%s, %d, cfd)\trdnb %d\n",
2068 cur, (fsm->wrbuf == fsm->wrb ? "wrbuf" : "mmap"),
2069 (int)fsm->wrlen, (int)fsm->rdnb);
2070 if (fsm->rdnb != fsm->wrlen || Ferror(fsm->cfd))
2071 rc = CPIOERR_READ_FAILED;
2073 fdSetCpioPos(fsm->cfd, fdGetCpioPos(fsm->cfd) + fsm->rdnb);
2076 fsm->wrnb = Fwrite(fsm->rdbuf, sizeof(*fsm->rdbuf), fsm->rdnb, fsm->cfd);
2077 if (_fsm_debug && (stage & FSM_SYSCALL))
2078 rpmMessage(RPMMESS_DEBUG, " %8s (%s, %d, cfd)\twrnb %d\n",
2079 cur, (fsm->rdbuf == fsm->rdb ? "rdbuf" : "mmap"),
2080 (int)fsm->rdnb, (int)fsm->wrnb);
2081 if (fsm->rdnb != fsm->wrnb || Ferror(fsm->cfd))
2082 rc = CPIOERR_WRITE_FAILED;
2084 fdSetCpioPos(fsm->cfd, fdGetCpioPos(fsm->cfd) + fsm->wrnb);
2088 fsm->rfd = Fopen(fsm->path, "r.ufdio");
2089 if (fsm->rfd == NULL || Ferror(fsm->rfd)) {
2090 if (fsm->rfd) (void) fsmStage(fsm, FSM_RCLOSE);
2092 rc = CPIOERR_OPEN_FAILED;
2095 if (_fsm_debug && (stage & FSM_SYSCALL))
2096 rpmMessage(RPMMESS_DEBUG, " %8s (%s, \"r\") rfd %p rdbuf %p\n", cur,
2097 fsm->path, fsm->rfd, fsm->rdbuf);
2100 fsm->rdnb = Fread(fsm->rdbuf, sizeof(*fsm->rdbuf), fsm->rdlen, fsm->rfd);
2101 if (_fsm_debug && (stage & FSM_SYSCALL))
2102 rpmMessage(RPMMESS_DEBUG, " %8s (rdbuf, %d, rfd)\trdnb %d\n",
2103 cur, (int)fsm->rdlen, (int)fsm->rdnb);
2104 if (fsm->rdnb != fsm->rdlen || Ferror(fsm->rfd))
2105 rc = CPIOERR_READ_FAILED;
2109 if (_fsm_debug && (stage & FSM_SYSCALL))
2110 rpmMessage(RPMMESS_DEBUG, " %8s (%p)\n", cur, fsm->rfd);
2111 (void) Fclose(fsm->rfd);
2119 fsm->wfd = Fopen(fsm->path, "w.ufdio");
2120 if (fsm->wfd == NULL || Ferror(fsm->wfd)) {
2121 if (fsm->wfd) (void) fsmStage(fsm, FSM_WCLOSE);
2123 rc = CPIOERR_OPEN_FAILED;
2125 if (_fsm_debug && (stage & FSM_SYSCALL))
2126 rpmMessage(RPMMESS_DEBUG, " %8s (%s, \"w\") wfd %p wrbuf %p\n", cur,
2127 fsm->path, fsm->wfd, fsm->wrbuf);
2130 fsm->wrnb = Fwrite(fsm->wrbuf, sizeof(*fsm->wrbuf), fsm->rdnb, fsm->wfd);
2131 if (_fsm_debug && (stage & FSM_SYSCALL))
2132 rpmMessage(RPMMESS_DEBUG, " %8s (wrbuf, %d, wfd)\twrnb %d\n",
2133 cur, (int)fsm->rdnb, (int)fsm->wrnb);
2134 if (fsm->rdnb != fsm->wrnb || Ferror(fsm->wfd))
2135 rc = CPIOERR_WRITE_FAILED;
2139 if (_fsm_debug && (stage & FSM_SYSCALL))
2140 rpmMessage(RPMMESS_DEBUG, " %8s (%p)\n", cur, fsm->wfd);
2141 (void) Fclose(fsm->wfd);
2154 if (!(stage & FSM_INTERNAL)) {
2155 fsm->rc = (rc == CPIOERR_HDR_TRAILER ? 0 : rc);
2161 /*@obserever@*/ const char *const fileActionString(fileAction a)
2164 case FA_UNKNOWN: return "unknown";
2165 case FA_CREATE: return "create";
2166 case FA_COPYOUT: return "copyout";
2167 case FA_COPYIN: return "copyin";
2168 case FA_BACKUP: return "backup";
2169 case FA_SAVE: return "save";
2170 case FA_SKIP: return "skip";
2171 case FA_ALTNAME: return "altname";
2172 case FA_ERASE: return "erase";
2173 case FA_SKIPNSTATE: return "skipnstate";
2174 case FA_SKIPNETSHARED: return "skipnetshared";
2175 case FA_SKIPMULTILIB: return "skipmultilib";
2176 default: return "???";
2181 /*@observer@*/ const char *const fileStageString(fileStage a) {
2183 case FSM_UNKNOWN: return "unknown";
2185 case FSM_PKGINSTALL:return "pkginstall";
2186 case FSM_PKGERASE: return "pkgerase";
2187 case FSM_PKGBUILD: return "pkgbuild";
2188 case FSM_PKGCOMMIT: return "pkgcommit";
2189 case FSM_PKGUNDO: return "pkgundo";
2191 case FSM_CREATE: return "create";
2192 case FSM_INIT: return "init";
2193 case FSM_MAP: return "map";
2194 case FSM_MKDIRS: return "mkdirs";
2195 case FSM_RMDIRS: return "rmdirs";
2196 case FSM_PRE: return "pre";
2197 case FSM_PROCESS: return "process";
2198 case FSM_POST: return "post";
2199 case FSM_MKLINKS: return "mklinks";
2200 case FSM_NOTIFY: return "notify";
2201 case FSM_UNDO: return "undo";
2202 case FSM_FINI: return "fini";
2203 case FSM_COMMIT: return "commit";
2204 case FSM_DESTROY: return "destroy";
2205 case FSM_VERIFY: return "verify";
2207 case FSM_UNLINK: return "Unlink";
2208 case FSM_RENAME: return "Rename";
2209 case FSM_MKDIR: return "Mkdir";
2210 case FSM_RMDIR: return "rmdir";
2211 case FSM_CHOWN: return "chown";
2212 case FSM_LCHOWN: return "lchown";
2213 case FSM_CHMOD: return "chmod";
2214 case FSM_UTIME: return "utime";
2215 case FSM_SYMLINK: return "symlink";
2216 case FSM_LINK: return "Link";
2217 case FSM_MKFIFO: return "mkfifo";
2218 case FSM_MKNOD: return "mknod";
2219 case FSM_LSTAT: return "Lstat";
2220 case FSM_STAT: return "Stat";
2221 case FSM_READLINK: return "Readlink";
2222 case FSM_CHROOT: return "chroot";
2224 case FSM_NEXT: return "next";
2225 case FSM_EAT: return "eat";
2226 case FSM_POS: return "pos";
2227 case FSM_PAD: return "pad";
2228 case FSM_TRAILER: return "trailer";
2229 case FSM_HREAD: return "hread";
2230 case FSM_HWRITE: return "hwrite";
2231 case FSM_DREAD: return "Fread";
2232 case FSM_DWRITE: return "Fwrite";
2234 case FSM_ROPEN: return "Fopen";
2235 case FSM_READ: return "Fread";
2236 case FSM_RCLOSE: return "Fclose";
2237 case FSM_WOPEN: return "Fopen";
2238 case FSM_WRITE: return "Fwrite";
2239 case FSM_WCLOSE: return "Fclose";
2241 default: return "???";