Mercurial > dovecot > core-2.2
changeset 20598:5b6e44fc3626
doveadm: add doveadm dump dcrypt-file
| author | Martti Rannanjärvi <martti.rannanjarvi@dovecot.fi> |
|---|---|
| date | Wed, 03 Aug 2016 12:46:21 +0300 |
| parents | 261d2ff2e173 |
| children | ad69150c10f9 |
| files | doc/man/doveadm-dump.1.in src/doveadm/Makefile.am src/doveadm/doveadm-dump-dcrypt-file.c src/doveadm/doveadm-dump.c src/doveadm/doveadm-dump.h |
| diffstat | 5 files changed, 100 insertions(+), 1 deletions(-) [+] |
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--- a/doc/man/doveadm-dump.1.in Sat Aug 06 22:12:13 2016 +0300 +++ b/doc/man/doveadm-dump.1.in Wed Aug 03 12:46:21 2016 +0300 @@ -55,6 +55,9 @@ Uncompress an IMAP traffic log, which contains data compressed using the IMAP COMPRESSION extension. .TP +.B dcrypt-file +Dump metadata of a dcrypt encrypted file. +.TP .B index \(rA dovecot.index, dovecot.map.index .TP
--- a/src/doveadm/Makefile.am Sat Aug 06 22:12:13 2016 +0300 +++ b/src/doveadm/Makefile.am Wed Aug 03 12:46:21 2016 +0300 @@ -22,6 +22,7 @@ -I$(top_srcdir)/src/lib-storage \ -I$(top_srcdir)/src/lib-imap-storage \ -I$(top_srcdir)/src/lib-http \ + -I$(top_srcdir)/src/lib-dcrypt \ -I$(top_srcdir)/src/auth \ -DMODULEDIR=\""$(moduledir)"\" \ -DAUTH_MODULE_DIR=\""$(moduledir)/auth"\" \ @@ -112,6 +113,7 @@ doveadm-dump-log.c \ doveadm-dump-mailboxlog.c \ doveadm-dump-thread.c \ + doveadm-dump-dcrypt-file.c \ doveadm-zlib.c common = \
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/doveadm/doveadm-dump-dcrypt-file.c Wed Aug 03 12:46:21 2016 +0300 @@ -0,0 +1,92 @@ +/* Copyright (c) 2016 Dovecot authors, see the included COPYING file */ + +#include "lib.h" +#include "dcrypt.h" +#include "istream.h" +#include "istream-decrypt.h" +#include "dcrypt-iostream.h" +#include "doveadm-dump.h" +#include <stdio.h> + +static int get_digest(const char *digest, + struct dcrypt_private_key **priv_key_r ATTR_UNUSED, + const char **error_r ATTR_UNUSED, + void *context) +{ + const char **digest_r = (const char**)context; + *digest_r = t_strdup(digest); + return 0; +} + +static void dcrypt_istream_dump_metadata(const struct istream *stream) +{ + enum io_stream_encrypt_flags flags = i_stream_encrypt_get_flags(stream); + if ((flags & IO_STREAM_ENC_INTEGRITY_HMAC) != 0) + printf("flags: IO_STREAM_ENC_INTEGRITY_HMAC\n"); + if ((flags & IO_STREAM_ENC_INTEGRITY_AEAD) != 0) + printf("flags: IO_STREAM_ENC_INTEGRITY_AEAD\n"); + if ((flags & IO_STREAM_ENC_INTEGRITY_NONE) != 0) + printf("flags: IO_STREAM_ENC_INTEGRITY_NONE\n"); + if ((flags & IO_STREAM_ENC_VERSION_1) != 0) + printf("flags: IO_STREAM_ENC_VERSION_1\n"); + + enum decrypt_istream_format format = i_stream_encrypt_get_format(stream); + switch (format) { + case DECRYPT_FORMAT_V1: + printf("format: DECRYPT_FORMAT_V1\n"); + break; + case DECRYPT_FORMAT_V2: + printf("format: DECRYPT_FORMAT_V2\n"); + break; + } +} + +static int dcrypt_file_dump_metadata(const char *filename, bool print) +{ + bool ret = FALSE; + struct istream *is = i_stream_create_file(filename, IO_BLOCK_SIZE); + const char *key_digest = NULL; + struct istream *ds = i_stream_create_decrypt_callback(is, + get_digest, &key_digest); + + ssize_t size = i_stream_read(ds); + i_assert(size < 0); + + if (key_digest != NULL) { + ret = TRUE; + if (print) { + dcrypt_istream_dump_metadata(ds); + printf("decrypt key digest: %s\n", key_digest); + } + } else if (print) { + i_error("%s", i_stream_get_error(ds)); + } + + i_stream_unref(&ds); + i_stream_unref(&is); + return ret; +} + +static bool test_dump_dcrypt_file(const char *path) +{ + if (!dcrypt_initialize("openssl", NULL, NULL)) + return FALSE; + bool ret = dcrypt_file_dump_metadata(path, FALSE); + dcrypt_deinitialize(); + return ret; +} + +static void cmd_dump_dcrypt_file(int argc ATTR_UNUSED, char *argv[]) +{ + const char *error = NULL; + if (!dcrypt_initialize("openssl", NULL, &error)) + i_fatal("dcrypt_initialize: %s", error); + (void)dcrypt_file_dump_metadata(argv[1], TRUE); + dcrypt_deinitialize(); +} + +struct doveadm_cmd_dump doveadm_cmd_dump_dcrypt_file = { + "dcrypt-file", + test_dump_dcrypt_file, + cmd_dump_dcrypt_file +};
--- a/src/doveadm/doveadm-dump.c Sat Aug 06 22:12:13 2016 +0300 +++ b/src/doveadm/doveadm-dump.c Wed Aug 03 12:46:21 2016 +0300 @@ -87,7 +87,8 @@ &doveadm_cmd_dump_log, &doveadm_cmd_dump_mailboxlog, &doveadm_cmd_dump_thread, - &doveadm_cmd_dump_zlib + &doveadm_cmd_dump_zlib, + &doveadm_cmd_dump_dcrypt_file }; void print_dump_types(void)
--- a/src/doveadm/doveadm-dump.h Sat Aug 06 22:12:13 2016 +0300 +++ b/src/doveadm/doveadm-dump.h Wed Aug 03 12:46:21 2016 +0300 @@ -15,6 +15,7 @@ extern struct doveadm_cmd_dump doveadm_cmd_dump_mailboxlog; extern struct doveadm_cmd_dump doveadm_cmd_dump_thread; extern struct doveadm_cmd_dump doveadm_cmd_dump_zlib; +extern struct doveadm_cmd_dump doveadm_cmd_dump_dcrypt_file; void doveadm_dump_register(const struct doveadm_cmd_dump *dump);