X-Git-Url: https://git.wh0rd.org/?p=dump.git;a=blobdiff_plain;f=restore%2Ftape.c;h=bd411b945bf298467144dee8d1a297d160ee102c;hp=fa4a9618f3a8323ef7f5ea3ea0e18ab46c6dea57;hb=e17af4c1a919e1d1456d6079682b63c7df947a7f;hpb=2e555f4100de1ce92bb01d09fd4b635fb0e133f4 diff --git a/restore/tape.c b/restore/tape.c index fa4a961..bd411b9 100644 --- a/restore/tape.c +++ b/restore/tape.c @@ -42,7 +42,7 @@ #ifndef lint static const char rcsid[] = - "$Id: tape.c,v 1.94 2009/12/03 12:46:30 stelian Exp $"; + "$Id: tape.c,v 1.101 2011/05/05 16:05:40 stelian Exp $"; #endif /* not lint */ #include @@ -61,6 +61,8 @@ static const char rcsid[] = #include #include #include +#include +#include #ifdef __linux__ #include @@ -520,7 +522,8 @@ again: do { fprintf(stderr, "Specify next volume # (none if no more volumes): "); (void) fflush(stderr); - (void) fgets(buf, TP_BSIZE, terminal); + if (!fgets(buf, TP_BSIZE, terminal)) + break; } while (!feof(terminal) && buf[0] == '\n'); if (feof(terminal)) exit(1); @@ -583,7 +586,8 @@ again: fprintf(stderr, "otherwise enter tape name (default: %s) ", magtape); #endif (void) fflush(stderr); - (void) fgets(buf, TP_BSIZE, terminal); + if (fgets(buf, TP_BSIZE, terminal)) + exit(1); if (feof(terminal)) exit(1); if (!strcmp(buf, "none\n")) { @@ -843,9 +847,54 @@ extractfile(struct entry *ep, int doremove) return (FAIL); case IFSOCK: - Vprintf(stdout, "skipped socket %s\n", name); + { + uid_t luid = curfile.dip->di_uid; + gid_t lgid = curfile.dip->di_gid; + + Vprintf(stdout, "extract socket %s\n", name); skipfile(); + if (Nflag) + return (GOOD); + if (! (spcl.c_flags & DR_METAONLY)) { + int sk; + struct sockaddr_un addr; + + if (uflag) + (void)unlink(name); + + if ((sk = socket(AF_UNIX, SOCK_DGRAM, 0)) < 0) { + warn("%s: cannot create socket", name); + return (FAIL); + } + addr.sun_family = AF_UNIX; + strcpy(addr.sun_path, name); + if (bind(sk, (const struct sockaddr *)&addr, sizeof(struct sockaddr_un)) < 0) { + warn("%s: cannot create socket", name); + return (FAIL); + } + close(sk); + } + if (chown(name, luid, lgid) < 0) + warn("%s: chown", name); + if (chmod(name, mode) < 0) + warn("%s: chmod", name); + extractattr(name); + utimes(name, timep); + if (flags) +#ifdef __linux__ + (void) lsetflags(name, flags); +#else +#ifdef sunos + { + warn("%s: cannot call chflags", name); + /* (void) chflags(name, flags); */ + } +#else + (void) chflags(name, flags); +#endif +#endif return (GOOD); + } case IFDIR: { @@ -884,13 +933,18 @@ extractfile(struct entry *ep, int doremove) skipfile(); #ifdef HAVE_LCHOWN - (void) lchown(name, luid, lgid); + if (lchown(name, luid, lgid) < 0) + warn("%s: lchown", name); #endif extractattr(name); return (GOOD); } case IFIFO: + { + uid_t luid = curfile.dip->di_uid; + gid_t lgid = curfile.dip->di_gid; + Vprintf(stdout, "extract fifo %s\n", name); skipfile(); if (Nflag) @@ -903,8 +957,10 @@ extractfile(struct entry *ep, int doremove) return (FAIL); } } - (void) chown(name, curfile.dip->di_uid, curfile.dip->di_gid); - (void) chmod(name, mode); + if (chown(name, luid, lgid) < 0) + warn("%s: chown", name); + if (chmod(name, mode) < 0) + warn("%s: chmod", name); extractattr(name); utimes(name, timep); if (flags) @@ -921,9 +977,14 @@ extractfile(struct entry *ep, int doremove) #endif #endif return (GOOD); - + } case IFCHR: case IFBLK: + { + uid_t luid = curfile.dip->di_uid; + gid_t lgid = curfile.dip->di_gid; + int lrdev = (int)curfile.dip->di_rdev; + Vprintf(stdout, "extract special file %s\n", name); skipfile(); if (Nflag) @@ -931,13 +992,15 @@ extractfile(struct entry *ep, int doremove) if (! (spcl.c_flags & DR_METAONLY)) { if (uflag) (void)unlink(name); - if (mknod(name, mode, (int)curfile.dip->di_rdev) < 0) { + if (mknod(name, mode, lrdev) < 0) { warn("%s: cannot create special file", name); return (FAIL); } } - (void) chown(name, curfile.dip->di_uid, curfile.dip->di_gid); - (void) chmod(name, mode); + if (chown(name, luid, lgid) < 0) + warn("%s: chown", name); + if (chmod(name, mode) < 0) + warn("%s: chmod", name); extractattr(name); utimes(name, timep); if (flags) @@ -960,7 +1023,7 @@ extractfile(struct entry *ep, int doremove) #endif #endif return (GOOD); - + } case IFREG: { uid_t luid = curfile.dip->di_uid; @@ -985,8 +1048,10 @@ extractfile(struct entry *ep, int doremove) } else skipfile(); - (void) chown(name, luid, lgid); - (void) chmod(name, mode); + if (chown(name, luid, lgid) < 0) + warn("%s: chown", name); + if (chmod(name, mode) < 0) + warn("%s: chmod", name); extractattr(name); utimes(name, timep); if (flags) @@ -1206,8 +1271,10 @@ extractresourceufs(char *name) /* and add the resource data from tape */ getfile(xtrfile, xtrskip); - (void) fchown(ofile, uid, gid); - (void) fchmod(ofile, mode); + if (fchown(ofile, uid, gid) < 0) + warn("%s: fchown", name); + if (fchmod(ofile, mode) < 0) + warn("%s: fchmod", name); (void) close(ofile); utimes(oFileRsrc, timep); (void) lsetflags(oFileRsrc, flags); @@ -1229,12 +1296,20 @@ readxattr(char *buffer) skipfile(); return (FAIL); } - + memset(xattrbuf, 0, XATTR_MAXSIZE); xattrlen = 0; + /* + * ugly hack: cope with invalid spcl.c_addr[] records written by + * old versions of dump. + */ + readmapflag = 1; + getfile(xtrxattr, xtrnull); + readmapflag = 0; + memcpy(buffer, xattrbuf, XATTR_MAXSIZE); return (GOOD); @@ -1351,7 +1426,8 @@ loop: last_write_was_hole = 1; } if (last_write_was_hole) { - FTRUNCATE(ofile, origsize); + if (FTRUNCATE(ofile, origsize) < 0) + warn("%s: ftruncate", curfile.name); } if (!readingmaps) findinode(&spcl); @@ -2067,6 +2143,10 @@ readtape_comprfile(char *buf) ((struct s_spcl *)&tapebuf[i * TP_BSIZE])->c_magic = 0; numtrec = ntrec; tpb = (struct tapebuf *) tapebuf; +#ifdef USE_QFA + if (createtapeposflag) + (void)GetTapePos(&curtapepos); +#endif /* read the block prefix */ ret = read_a_block(mt, tapebuf, PREFIXSIZE, &rl); @@ -2156,6 +2236,10 @@ readtape_comprtape(char *buf) ((struct s_spcl *)&tapebuf[i * TP_BSIZE])->c_magic = 0; numtrec = ntrec; tpb = (struct tapebuf *) tapebuf; +#ifdef USE_QFA + if (createtapeposflag) + (void)GetTapePos(&curtapepos); +#endif /* read the block */ size = bufsize + PREFIXSIZE; @@ -2345,8 +2429,8 @@ decompress_tapebuf(struct tapebuf *tpbin, int readsize) } if (reason) { if (lengtherr) - fprintf(stderr, "%s compressed block: %d expected: %u\n", - lengtherr, readsize, tpbin->length + PREFIXSIZE); + fprintf(stderr, "%s compressed block: %d expected: %lu\n", + lengtherr, readsize, (unsigned long)tpbin->length + PREFIXSIZE); fprintf(stderr, "decompression error, block %ld: %s\n", tpblksread+1, reason); if (!cresult) @@ -3260,11 +3344,14 @@ ReReadInodeFromTape(dump_ino_t theino) cntloop++; gethead(&spcl); } while (!(spcl.c_inumber == theino && spcl.c_type == TS_INODE && spcl.c_date == dumpdate)); + + tpblksread = spcl.c_tapea + spcl.c_volume; #ifdef DEBUG_QFA fprintf(stderr, "DEBUG: %ld reads\n", cntloop); fprintf(stderr, "DEBUG: bufsize %ld\n", bufsize); fprintf(stderr, "DEBUG: ntrec %ld\n", ntrec); - fprintf(stderr, "DEBUG: %ld reads\n", cntloop); + fprintf(stderr, "DEBUG: tapea %d\n", spcl.c_tapea); + fprintf(stderr, "DEBUG: tpblksread %ld\n", tpblksread); #endif findinode(&spcl); noresyncmesg = 0;