]> git.wh0rd.org - dump.git/blobdiff - restore/dirs.c
Added EA/ACL support in dump and restore.
[dump.git] / restore / dirs.c
index 3a8a94d4fd0dfc1a15016ac9f7b339eb7fbe5077..b049f49007801c6caa8c70d755b38ecce9dbc860 100644 (file)
@@ -42,7 +42,7 @@
 
 #ifndef lint
 static const char rcsid[] =
-       "$Id: dirs.c,v 1.26 2004/04/13 13:04:33 stelian Exp $";
+       "$Id: dirs.c,v 1.32 2005/05/02 15:10:46 stelian Exp $";
 #endif /* not lint */
 
 #include <config.h>
@@ -114,6 +114,7 @@ struct modeinfo {
        uid_t uid;
        gid_t gid;
        unsigned int flags;
+       char xattr;
 };
 
 /*
@@ -148,9 +149,11 @@ struct odirect {
 };
 
 #if defined(__linux__) || defined(sunos)
-static struct inotab   *allocinotab __P((dump_ino_t, struct new_bsd_inode *, OFF_T));
+static struct inotab   *allocinotab __P((dump_ino_t, OFF_T));
+static void            savemodeinfo __P((dump_ino_t, struct new_bsd_inode *, char *));
 #else
-static struct inotab   *allocinotab __P((dump_ino_t, struct dinode *, OFF_T));
+static struct inotab   *allocinotab __P((dump_ino_t, OFF_T));
+static void            savemodeinfo __P((dump_ino_t, struct dinode *, char *));
 #endif
 static void             dcvt __P((struct odirect *, struct direct *));
 static void             flushent __P((void));
@@ -177,13 +180,16 @@ extractdirs(int genmode)
 {
        int i;
 #if defined(__linux__) || defined(sunos)
-       struct new_bsd_inode *ip;
+       struct new_bsd_inode ip;
 #else
-       struct dinode *ip;
+       struct dinode ip;
 #endif
        struct inotab *itp;
        struct direct nulldir;
        int fd;
+       char xattr[XATTR_MAXSIZE];
+       int xattr_found = 0;
+       dump_ino_t ino;
 
        Vprintf(stdout, "Extract directories from tape\n");
        (void) snprintf(dirfile, sizeof(dirfile), "%s/rstdir%ld", tmpdir,
@@ -222,8 +228,8 @@ extractdirs(int genmode)
        for (;;) {
                curfile.name = "<directory file - name unknown>";
                curfile.action = USING;
-               ip = curfile.dip;
-               if (ip == NULL || (ip->di_mode & IFMT) != IFDIR) {
+               ino = curfile.ino;
+               if (curfile.dip == NULL || (curfile.dip->di_mode & IFMT) != IFDIR) {
                        if ( fclose(df) == EOF )
                                err(1, "cannot write to file %s", dirfile);
                        dirp = opendirfile(dirfile);
@@ -236,8 +242,30 @@ extractdirs(int genmode)
                                panic("Root directory is not on tape\n");
                        return;
                }
-               itp = allocinotab(curfile.ino, ip, seekpt);
+               memcpy(&ip, curfile.dip, sizeof(ip));
+               itp = allocinotab(ino, seekpt);
                getfile(putdir, xtrnull);
+               xattr_found = 0;
+               while (spcl.c_flags & DR_EXTATTRIBUTES) {
+                       switch (spcl.c_extattributes) {
+                       case EXT_MACOSFNDRINFO:
+                               msg("MacOSX attributes not supported, skipping\n");
+                               skipfile();
+                               break;
+                       case EXT_MACOSRESFORK:
+                               msg("MacOSX attributes not supported, skipping\n");
+                               skipfile();
+                               break;
+                       case EXT_XATTR:
+                               if (readxattr(xattr) == GOOD)
+                                       xattr_found = 1;
+                               break;
+                       }
+               }
+               if (xattr_found)
+                       savemodeinfo(ino, &ip, xattr);
+               else
+                       savemodeinfo(ino, &ip, NULL);
                putent(&nulldir);
                flushent();
                itp->t_size = seekpt - itp->t_seekpt;
@@ -419,8 +447,11 @@ putdir(char *buf, size_t size)
                        i = DIRBLKSIZ - (loc & (DIRBLKSIZ - 1));
                        if ((dp->d_reclen & 0x3) != 0 ||
                            dp->d_reclen > i ||
-                           dp->d_reclen < DIRSIZ(0, dp) ||
-                           dp->d_namlen > MAXNAMLEN) {
+                           dp->d_reclen < DIRSIZ(0, dp)
+#if MAXNAMLEN < 255
+                           || dp->d_namlen > MAXNAMLEN
+#endif
+                           ) {
                                Vprintf(stdout, "Mangled directory: ");
                                if ((dp->d_reclen & 0x3) != 0)
                                        Vprintf(stdout,
@@ -429,10 +460,12 @@ putdir(char *buf, size_t size)
                                        Vprintf(stdout,
                                           "reclen less than DIRSIZ (%d < %d) ",
                                           dp->d_reclen, DIRSIZ(0, dp));
+#if MAXNAMLEN < 255
                                if (dp->d_namlen > MAXNAMLEN)
                                        Vprintf(stdout,
                                           "reclen name too big (%d > %d) ",
                                           dp->d_namlen, MAXNAMLEN);
+#endif
                                Vprintf(stdout, "\n");
                                loc += i;
                                continue;
@@ -513,7 +546,7 @@ rst_seekdir(RST_DIR *dirp, OFF_T loc, OFF_T base)
                return;
        loc -= base;
        if (loc < 0)
-               fprintf(stderr, "bad seek pointer to rst_seekdir %lld\n", loc);
+               fprintf(stderr, "bad seek pointer to rst_seekdir %lld\n", (long long int)loc);
        (void) LSEEK(dirp->dd_fd, base + (loc & ~(DIRBLKSIZ - 1)), SEEK_SET);
        dirp->dd_loc = loc & (DIRBLKSIZ - 1);
        if (dirp->dd_loc != 0)
@@ -649,9 +682,15 @@ setdirmodes(int flags)
        }
        clearerr(mf);
        for (;;) {
+               char xattr[XATTR_MAXSIZE];
                (void) fread((char *)&node, 1, sizeof(struct modeinfo), mf);
                if (feof(mf))
                        break;
+               if (node.xattr) {
+                       (void) fread(xattr, 1, XATTR_MAXSIZE, mf);
+                       if (feof(mf))
+                               break;
+               }
                ep = lookupino(node.ino);
                if (command == 'i' || command == 'x') {
                        if (ep == NULL)
@@ -673,7 +712,7 @@ setdirmodes(int flags)
                        (void) chmod(cp, node.mode);
                        if (node.flags)
 #ifdef __linux__
-                               (void) fsetflags(cp, node.flags);
+                               (void) lsetflags(cp, node.flags);
 #else
 #ifdef sunos
 #else
@@ -681,6 +720,105 @@ setdirmodes(int flags)
 #endif
 #endif
                        utimes(cp, node.timep);
+                       if (node.xattr)
+                               xattr_extract(cp, xattr);
+                       ep->e_flags &= ~NEW;
+               }
+       }
+       if (ferror(mf))
+               panic("error setting directory modes\n");
+       (void) fclose(mf);
+}
+
+/*
+ * In restore -C mode, tests the attributes for all directories
+ */
+void
+comparedirmodes(void)
+{
+       FILE *mf;
+       struct modeinfo node;
+       struct entry *ep;
+       char *cp;
+
+       Vprintf(stdout, "Compare directories modes, owner, attributes.\n");
+       if (modefile[0] == '#') {
+               panic("modefile not defined\n");
+               fprintf(stderr, "directory mode, owner, and times not set\n");
+               return;
+       }
+       mf = fopen(modefile, "r");
+       if (mf == NULL) {
+               warn("fopen");
+               fprintf(stderr, "cannot open mode file %s\n", modefile);
+               fprintf(stderr, "directory mode, owner, and times not set\n");
+               return;
+       }
+       clearerr(mf);
+       for (;;) {
+               char xattr[XATTR_MAXSIZE];
+               (void) fread((char *)&node, 1, sizeof(struct modeinfo), mf);
+               if (feof(mf))
+                       break;
+               if (node.xattr) {
+                       (void) fread(xattr, 1, XATTR_MAXSIZE, mf);
+                       if (feof(mf))
+                               break;
+               }
+               ep = lookupino(node.ino);
+               if (ep == NULL) {
+                       panic("cannot find directory inode %d\n", node.ino);
+               } else {
+                       cp = myname(ep);
+                       struct STAT sb;
+                       unsigned long newflags;
+
+                       if (LSTAT(cp, &sb) < 0) {
+                               warn("unable to stat %s", cp);
+                               do_compare_error;
+                               continue;
+                       }
+
+                       Vprintf(stdout, "comparing directory %s\n", cp);
+
+                       if (sb.st_mode != node.mode) {
+                               fprintf(stderr, "%s: mode changed from 0%o to 0%o.\n",
+                                       cp, node.mode & 07777, sb.st_mode & 07777);
+                               do_compare_error;
+                       }
+                       if (sb.st_uid != node.uid) {
+                               fprintf(stderr, "%s: uid changed from %d to %d.\n",
+                                       cp, node.uid, sb.st_uid);
+                               do_compare_error;
+                       }
+                       if (sb.st_gid != node.gid) {
+                               fprintf(stderr, "%s: gid changed from %d to %d.\n",
+                                       cp, node.gid, sb.st_gid);
+                               do_compare_error;
+                       }
+#ifdef __linux__
+                       if (lgetflags(cp, &newflags) < 0) {
+                               if (node.flags != 0) {
+                                       warn("%s: lgetflags failed", cp);
+                                       do_compare_error;
+                               }
+                       }
+                       else {
+                               if (newflags != node.flags) {
+                                       fprintf(stderr, "%s: flags changed from 0x%08x to 0x%08lx.\n",
+                                               cp, node.flags, newflags);
+                                       do_compare_error;
+                               }
+                       }
+#endif
+                       if (node.xattr) {
+                               if (xattr_compare(cp, xattr) == FAIL)
+                                       do_compare_error;
+                       }
+                       else {
+                               if (xattr_compare(cp, NULL) == FAIL)
+                                       do_compare_error;
+                       }
                        ep->e_flags &= ~NEW;
                }
        }
@@ -746,13 +884,12 @@ inodetype(dump_ino_t ino)
  */
 static struct inotab *
 #if defined(__linux__) || defined(sunos)
-allocinotab(dump_ino_t ino, struct new_bsd_inode *dip, OFF_T seekpt)
+allocinotab(dump_ino_t ino, OFF_T seekpt)
 #else
-allocinotab(dump_ino_t ino, struct dinode *dip, OFF_T seekpt)
+allocinotab(dump_ino_t ino, OFF_T seekpt)
 #endif
 {
        struct inotab   *itp;
-       struct modeinfo node;
 
        itp = calloc(1, sizeof(struct inotab));
        if (itp == NULL)
@@ -761,8 +898,19 @@ allocinotab(dump_ino_t ino, struct dinode *dip, OFF_T seekpt)
        inotab[INOHASH(ino)] = itp;
        itp->t_ino = ino;
        itp->t_seekpt = seekpt;
+       return itp;
+}
+
+static void
+#if defined(__linux__) || defined(sunos)
+savemodeinfo(dump_ino_t ino, struct new_bsd_inode *dip, char *xattr) {
+#else
+savemodeinfo(dump_ino_t ino, struct dinode *dip, char *xattr) {
+#endif
+       struct modeinfo node;
+
        if (mf == NULL)
-               return (itp);
+               return;
        node.ino = ino;
 #if defined(__linux__) || defined(sunos)
        node.timep[0].tv_sec = dip->di_atime.tv_sec;
@@ -779,9 +927,12 @@ allocinotab(dump_ino_t ino, struct dinode *dip, OFF_T seekpt)
        node.flags = dip->di_flags;
        node.uid = dip->di_uid;
        node.gid = dip->di_gid;
+       node.xattr = xattr ? 1 : 0;
        if ( fwrite((char *)&node, 1, sizeof(struct modeinfo), mf) != sizeof(struct modeinfo) )
                err(1,"cannot write to file %s", modefile);
-       return (itp);
+       if (xattr)
+               if ( fwrite(xattr, 1, XATTR_MAXSIZE, mf) != XATTR_MAXSIZE)
+                       err(1,"cannot write to file %s", modefile);
 }
 
 /*