X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fjournal%2Fjournal-def.h;h=b30ae796836d6586222f4143d1d7660254ac0d9c;hb=95ea1b90cc61f464f3b9bc147119dee4ba9620b8;hp=964e0c2b81b6c58e5a970dcc359b0f9389c1fa13;hpb=81527be142678057215665be66e4b3c8306a7ab3;p=elogind.git diff --git a/src/journal/journal-def.h b/src/journal/journal-def.h index 964e0c2b8..b30ae7968 100644 --- a/src/journal/journal-def.h +++ b/src/journal/journal-def.h @@ -9,33 +9,37 @@ Copyright 2011 Lennart Poettering systemd 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 2 of the License, or + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. systemd 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. + Lesser General Public License for more details. - You should have received a copy of the GNU General Public License + You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see . ***/ -#include +#include "sparse-endian.h" #include #include "macro.h" typedef struct Header Header; + typedef struct ObjectHeader ObjectHeader; typedef union Object Object; + typedef struct DataObject DataObject; typedef struct FieldObject FieldObject; typedef struct EntryObject EntryObject; typedef struct HashTableObject HashTableObject; typedef struct EntryArrayObject EntryArrayObject; +typedef struct SignatureObject SignatureObject; + typedef struct EntryItem EntryItem; typedef struct HashItem HashItem; @@ -48,6 +52,7 @@ enum { OBJECT_DATA_HASH_TABLE, OBJECT_FIELD_HASH_TABLE, OBJECT_ENTRY_ARRAY, + OBJECT_SIGNATURE, _OBJECT_TYPE_MAX }; @@ -60,48 +65,48 @@ _packed_ struct ObjectHeader { uint8_t type; uint8_t flags; uint8_t reserved[6]; - uint64_t size; + le64_t size; uint8_t payload[]; }; _packed_ struct DataObject { ObjectHeader object; - uint64_t hash; - uint64_t next_hash_offset; - uint64_t next_field_offset; - uint64_t entry_offset; /* the first array entry we store inline */ - uint64_t entry_array_offset; - uint64_t n_entries; + le64_t hash; + le64_t next_hash_offset; + le64_t next_field_offset; + le64_t entry_offset; /* the first array entry we store inline */ + le64_t entry_array_offset; + le64_t n_entries; uint8_t payload[]; }; _packed_ struct FieldObject { ObjectHeader object; - uint64_t hash; - uint64_t next_hash_offset; - uint64_t head_data_offset; - uint64_t tail_data_offset; + le64_t hash; + le64_t next_hash_offset; + le64_t head_data_offset; + le64_t tail_data_offset; uint8_t payload[]; }; _packed_ struct EntryItem { - uint64_t object_offset; - uint64_t hash; + le64_t object_offset; + le64_t hash; }; _packed_ struct EntryObject { ObjectHeader object; - uint64_t seqnum; - uint64_t realtime; - uint64_t monotonic; + le64_t seqnum; + le64_t realtime; + le64_t monotonic; sd_id128_t boot_id; - uint64_t xor_hash; + le64_t xor_hash; EntryItem items[]; }; _packed_ struct HashItem { - uint64_t head_hash_offset; - uint64_t tail_hash_offset; + le64_t head_hash_offset; + le64_t tail_hash_offset; }; _packed_ struct HashTableObject { @@ -111,8 +116,16 @@ _packed_ struct HashTableObject { _packed_ struct EntryArrayObject { ObjectHeader object; - uint64_t next_entry_array_offset; - uint64_t items[]; + le64_t next_entry_array_offset; + le64_t items[]; +}; + +#define SIGNATURE_LENGTH 160 + +_packed_ struct SignatureObject { + ObjectHeader object; + le64_t from; + uint8_t signature[SIGNATURE_LENGTH]; }; union Object { @@ -122,6 +135,7 @@ union Object { EntryObject entry; HashTableObject hash_table; EntryArrayObject entry_array; + SignatureObject signature; }; enum { @@ -135,6 +149,10 @@ enum { HEADER_INCOMPATIBLE_COMPRESSED = 1 }; +enum { + HEADER_COMPATIBLE_SIGNED = 1 +}; + _packed_ struct Header { uint8_t signature[8]; /* "LPKSHHRH" */ uint32_t compatible_flags; @@ -142,24 +160,24 @@ _packed_ struct Header { uint8_t state; uint8_t reserved[7]; sd_id128_t file_id; - sd_id128_t machine_id; - sd_id128_t boot_id; + sd_id128_t machine_id; /* last writer */ + sd_id128_t boot_id; /* last writer */ sd_id128_t seqnum_id; - uint64_t arena_offset; - uint64_t arena_size; - uint64_t data_hash_table_offset; /* for looking up data objects */ - uint64_t data_hash_table_size; - uint64_t field_hash_table_offset; /* for looking up field objects */ - uint64_t field_hash_table_size; - uint64_t tail_object_offset; - uint64_t n_objects; - uint64_t n_entries; - uint64_t seqnum; - uint64_t first_seqnum; - uint64_t entry_array_offset; - uint64_t head_entry_realtime; - uint64_t tail_entry_realtime; - uint64_t tail_entry_monotonic; + le64_t header_size; + le64_t arena_size; + le64_t data_hash_table_offset; /* for looking up data objects */ + le64_t data_hash_table_size; + le64_t field_hash_table_offset; /* for looking up field objects */ + le64_t field_hash_table_size; + le64_t tail_object_offset; + le64_t n_objects; + le64_t n_entries; + le64_t seqnum; + le64_t first_seqnum; + le64_t entry_array_offset; + le64_t head_entry_realtime; + le64_t tail_entry_realtime; + le64_t tail_entry_monotonic; }; #endif