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[elogind.git] / src / journal / journal-file.h

diff --git a/src/journal/journal-file.h b/src/journal/journal-file.h
index a9925c07540ba4e119d2bf5eb712c813075f5947..a16c8ffc3e6e8262eef82fa56b91888e70cccdab 100644 (file)
--- a/src/journal/journal-file.h
+++ b/src/journal/journal-file.h
@@ -1,7 +1,6 @@
 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
 
-#ifndef foojournalfilehfoo
-#define foojournalfilehfoo
+#pragma once
 
 /***
   This file is part of systemd.
@@ -24,6 +23,10 @@
 
 #include <inttypes.h>
 
+#ifdef HAVE_GCRYPT
+#include <gcrypt.h>
+#endif
+
 #include <systemd/sd-id128.h>
 
 #include "sparse-endian.h"
@@ -43,6 +46,7 @@ enum {
         WINDOW_DATA_HASH_TABLE = OBJECT_DATA_HASH_TABLE,
         WINDOW_FIELD_HASH_TABLE = OBJECT_FIELD_HASH_TABLE,
         WINDOW_ENTRY_ARRAY = OBJECT_ENTRY_ARRAY,
+        WINDOW_TAG = OBJECT_TAG,
         WINDOW_HEADER,
         _WINDOW_MAX
 };
@@ -59,9 +63,13 @@ typedef struct JournalFile {
         char *path;
         struct stat last_stat;
         mode_t mode;
+
         int flags;
         int prot;
         bool writable;
+        bool compress;
+        bool authenticate;
+
         bool tail_entry_monotonic_valid;
 
         Header *header;
@@ -74,12 +82,18 @@ typedef struct JournalFile {
 
         JournalMetrics metrics;
 
-        bool compress;
-
 #ifdef HAVE_XZ
         void *compress_buffer;
         uint64_t compress_buffer_size;
 #endif
+
+#ifdef HAVE_GCRYPT
+        gcry_md_hd_t hmac;
+        bool hmac_running;
+
+        FSPRGHeader *fsprg_header;
+        size_t fsprg_size;
+#endif
 } JournalFile;
 
 typedef enum direction {
@@ -87,10 +101,27 @@ typedef enum direction {
         DIRECTION_DOWN
 } direction_t;
 
-int journal_file_open(const char *fname, int flags, mode_t mode, JournalFile *template, JournalFile **ret);
+int journal_file_open(
+                const char *fname,
+                int flags,
+                mode_t mode,
+                bool compress,
+                bool authenticate,
+                JournalMetrics *metrics,
+                JournalFile *template,
+                JournalFile **ret);
+
 void journal_file_close(JournalFile *j);
 
-int journal_file_open_reliably(const char *fname, int flags, mode_t mode, JournalFile *template, JournalFile **ret);
+int journal_file_open_reliably(
+                const char *fname,
+                int flags,
+                mode_t mode,
+                bool compress,
+                bool authenticate,
+                JournalMetrics *metrics,
+                JournalFile *template,
+                JournalFile **ret);
 
 int journal_file_move_to_object(JournalFile *f, int type, uint64_t offset, Object **ret);
 
@@ -106,18 +137,22 @@ int journal_file_skip_entry(JournalFile *f, Object *o, uint64_t p, int64_t skip,
 
 int journal_file_next_entry_for_data(JournalFile *f, Object *o, uint64_t p, uint64_t data_offset, direction_t direction, Object **ret, uint64_t *offset);
 
+int journal_file_move_to_entry_by_offset(JournalFile *f, uint64_t seqnum, direction_t direction, Object **ret, uint64_t *offset);
 int journal_file_move_to_entry_by_seqnum(JournalFile *f, uint64_t seqnum, direction_t direction, Object **ret, uint64_t *offset);
 int journal_file_move_to_entry_by_realtime(JournalFile *f, uint64_t realtime, direction_t direction, Object **ret, uint64_t *offset);
 int journal_file_move_to_entry_by_monotonic(JournalFile *f, sd_id128_t boot_id, uint64_t monotonic, direction_t direction, Object **ret, uint64_t *offset);
 
+int journal_file_move_to_entry_by_offset_for_data(JournalFile *f, uint64_t data_offset, uint64_t p, direction_t direction, Object **ret, uint64_t *offset);
 int journal_file_move_to_entry_by_seqnum_for_data(JournalFile *f, uint64_t data_offset, uint64_t seqnum, direction_t direction, Object **ret, uint64_t *offset);
 int journal_file_move_to_entry_by_realtime_for_data(JournalFile *f, uint64_t data_offset, uint64_t realtime, direction_t direction, Object **ret, uint64_t *offset);
+int journal_file_move_to_entry_by_monotonic_for_data(JournalFile *f, uint64_t data_offset, sd_id128_t boot_id, uint64_t monotonic, direction_t direction, Object **ret, uint64_t *offset);
 
 int journal_file_copy_entry(JournalFile *from, JournalFile *to, Object *o, uint64_t p, uint64_t *seqnum, Object **ret, uint64_t *offset);
 
 void journal_file_dump(JournalFile *f);
+void journal_file_print_header(JournalFile *f);
 
-int journal_file_rotate(JournalFile **f);
+int journal_file_rotate(JournalFile **f, bool compress, bool authenticate);
 
 int journal_directory_vacuum(const char *directory, uint64_t max_use, uint64_t min_free);
 
@@ -128,4 +163,6 @@ void journal_default_metrics(JournalMetrics *m, int fd);
 int journal_file_get_cutoff_realtime_usec(JournalFile *f, usec_t *from, usec_t *to);
 int journal_file_get_cutoff_monotonic_usec(JournalFile *f, sd_id128_t boot, usec_t *from, usec_t *to);
 
-#endif
+bool journal_file_rotate_suggested(JournalFile *f);
+
+int journal_file_append_tag(JournalFile *f);