Signed-off-by: Corentin Chary <corentin.chary@xxxxxxxxx> --- transport/encryption/rot-13c/Makefile.am | 1 + transport/encryption/rot-13c/src/Makefile.am | 14 ++++ transport/encryption/rot-13c/src/rot-13c.c | 106 ++++++++++++++++++++++++++ transport/encryption/rot-13c/src/rot-13c.h | 30 +++++++ 4 files changed, 151 insertions(+), 0 deletions(-) create mode 100644 transport/encryption/rot-13c/Makefile.am create mode 100644 transport/encryption/rot-13c/src/Makefile.am create mode 100644 transport/encryption/rot-13c/src/rot-13c.c create mode 100644 transport/encryption/rot-13c/src/rot-13c.h diff --git a/transport/encryption/rot-13c/Makefile.am b/transport/encryption/rot-13c/Makefile.am new file mode 100644 index 0000000..f963eff --- /dev/null +++ b/transport/encryption/rot-13c/Makefile.am @@ -0,0 +1 @@ +SUBDIRS = src \ No newline at end of file diff --git a/transport/encryption/rot-13c/src/Makefile.am b/transport/encryption/rot-13c/src/Makefile.am new file mode 100644 index 0000000..4cdcbff --- /dev/null +++ b/transport/encryption/rot-13c/src/Makefile.am @@ -0,0 +1,14 @@ +xlator_LTLIBRARIES = rot-13c.la +xlatordir = $(libdir)/glusterfs/$(PACKAGE_VERSION)/transport/encryption + +rot_13c_la_LDFLAGS = -module -avoidversion + +rot_13c_la_SOURCES = rot-13c.c +rot_13c_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la + +noinst_HEADERS = rot-13c.h + +AM_CFLAGS = -fPIC -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE -Wall -D$(GF_HOST_OS) \ + -I$(top_srcdir)/libglusterfs/src -shared -nostartfiles $(GF_CFLAGS) + +CLEANFILES = diff --git a/transport/encryption/rot-13c/src/rot-13c.c b/transport/encryption/rot-13c/src/rot-13c.c new file mode 100644 index 0000000..d37d389 --- /dev/null +++ b/transport/encryption/rot-13c/src/rot-13c.c @@ -0,0 +1,106 @@ +/* + Copyright (c) 2006-2009 Gluster, Inc. <http://www.gluster.com> + This file is part of GlusterFS. + + GlusterFS is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published + by the Free Software Foundation; either version 3 of the License, + or (at your option) any later version. + + GlusterFS is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see + <http://www.gnu.org/licenses/>. +*/ + +#include <ctype.h> +#include <sys/uio.h> + +#ifndef _CONFIG_H +#define _CONFIG_H +#include "config.h" +#endif + +#include "glusterfs.h" +#include "xlator.h" +#include "transport.h" +#include "logging.h" +#include "protocol.h" + +#include "rot-13c.h" + +/* + * This is a rot13 ``encryption'' xlator. It rot13's data when + * writing to network and rot13's it back when reading it. + * This xlator is meant as an example, NOT FOR PRODUCTION + * USE ;) (hence no error-checking) + */ + +static void +rot13 (char *buf, int len) +{ + int i; + for (i = 0; i < len; i++) { + if (buf[i] >= 'a' && buf[i] <= 'z') + buf[i] = 'a' + ((buf[i] - 'a' + 13) % 26); + else if (buf[i] >= 'A' && buf[i] <= 'Z') + buf[i] = 'A' + ((buf[i] - 'A' + 13) % 26); + } +} + +static void +rot13_iovec (struct iovec *vector, int count) +{ + int i; + for (i = 0; i < count; i++) { + rot13 (vector[i].iov_base, vector[i].iov_len); + } +} + +int32_t +rot13c_encrypt (transport_t *this, char *hdr, size_t len, + struct iovec *vector, int count) +{ + rot13 (gf_param((gf_hdr_common_t *)hdr), len - GF_HDR_COMMON_SIZE); + rot13_iovec (vector, count); + return 0; +} + +int32_t +rot13c_decrypt (transport_t *this, char *hdr, size_t len, + struct iobuf *iobuf, size_t buflen) +{ + rot13 (gf_param((gf_hdr_common_t *)hdr), len - GF_HDR_COMMON_SIZE); + if (iobuf) + rot13 (iobuf->ptr, buflen); + return 0; +} + +int32_t +init (transport_crypto_t *crypto) +{ + crypto->xl_private = NULL; + crypto->magic = CRYPTO_MAGIC_ROT_13C; + gf_log ("rot13c", GF_LOG_DEBUG, "rot13c transport encryptor loaded"); + return 0; +} + +void +fini (transport_crypto_t *crypto) +{ + FREE (crypto->xl_private); + return; +} + +struct transport_crypto_ops tcops = { + .encrypt = rot13c_encrypt, + .decrypt = rot13c_decrypt, +}; + +struct volume_options options[] = { + { .key = {NULL} }, +}; diff --git a/transport/encryption/rot-13c/src/rot-13c.h b/transport/encryption/rot-13c/src/rot-13c.h new file mode 100644 index 0000000..23f7494 --- /dev/null +++ b/transport/encryption/rot-13c/src/rot-13c.h @@ -0,0 +1,30 @@ +/* + Copyright (c) 2006-2009 Gluster, Inc. <http://www.gluster.com> + This file is part of GlusterFS. + + GlusterFS is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published + by the Free Software Foundation; either version 3 of the License, + or (at your option) any later version. + + GlusterFS is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see + <http://www.gnu.org/licenses/>. +*/ + +#ifndef __ROT_13C_H__ +#define __ROT_13C_H__ + +#ifndef _CONFIG_H +#define _CONFIG_H +#include "config.h" +#endif + +#define CRYPTO_MAGIC_ROT_13C 13 + +#endif /* __ROT_13_H__ */ -- 1.6.4.4
