diff options
| -rw-r--r-- | src/bin/pg_dump/pg_backup_tar.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/src/bin/pg_dump/pg_backup_tar.c b/src/bin/pg_dump/pg_backup_tar.c index 2f8169f8535..16cbabafe44 100644 --- a/src/bin/pg_dump/pg_backup_tar.c +++ b/src/bin/pg_dump/pg_backup_tar.c @@ -16,7 +16,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_backup_tar.c,v 1.32.2.3 2007/08/06 01:38:57 tgl Exp $ + * $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_backup_tar.c,v 1.32.2.4 2007/08/29 16:32:11 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -1021,15 +1021,16 @@ _tarAddFile(ArchiveHandle *AH, TAR_MEMBER *th) */ fseeko(tmp, 0, SEEK_END); th->fileLen = ftello(tmp); + fseeko(tmp, 0, SEEK_SET); + if (th->fileLen > MAX_TAR_MEMBER_FILELEN) die_horribly(AH, modulename, "archive member too large for tar format\n"); - fseeko(tmp, 0, SEEK_SET); _tarWriteHeader(th); - while ((cnt = fread(&buf[0], 1, 32767, tmp)) > 0) + while ((cnt = fread(buf, 1, sizeof(buf), tmp)) > 0) { - res = fwrite(&buf[0], 1, cnt, th->tarFH); + res = fwrite(buf, 1, cnt, th->tarFH); if (res != cnt) die_horribly(AH, modulename, "write error appending to tar archive (wrote %lu, attempted %lu)\n", @@ -1038,15 +1039,16 @@ _tarAddFile(ArchiveHandle *AH, TAR_MEMBER *th) } if (fclose(tmp) != 0) /* This *should* delete it... */ - die_horribly(AH, modulename, "could not close tar member: %s\n", strerror(errno)); + die_horribly(AH, modulename, "could not close tar member: %s\n", + strerror(errno)); if (len != th->fileLen) { - char buf1[100], - buf2[100]; + char buf1[32], + buf2[32]; - snprintf(buf1, 100, INT64_FORMAT, (int64) len); - snprintf(buf2, 100, INT64_FORMAT, (int64) th->pos); + snprintf(buf1, sizeof(buf1), INT64_FORMAT, (int64) len); + snprintf(buf2, sizeof(buf2), INT64_FORMAT, (int64) th->fileLen); die_horribly(AH, modulename, "actual file length (%s) does not match expected (%s)\n", buf1, buf2); } |