#define DIFF_NOT_COMMITTED (0u) /* XFR not (yet) committed to disk */
#define DIFF_COMMITTED (1u<<0) /* XFR committed to disk */
#define DIFF_CORRUPT (1u<<1) /* XFR corrupt */
#define DIFF_INCONSISTENT (1u<<2) /* IXFR cannot be applied */
#define DIFF_VERIFIED (1u<<3) /* XFR already verified */
/* write an xfr packet data to the diff file, type=IXFR.
The diff file is created if necessary, with initial header(notcommitted). */
void diff_write_packet(const char* zone, const char* pat, uint32_t old_serial,
uint32_t new_serial, uint32_t seq_nr, uint8_t* data, size_t len,
struct nsd* nsd, uint64_t filenumber);
/*
* Overwrite header of diff file with committed vale and other data.
* append log string.
*/
void diff_write_commit(const char* zone, uint32_t old_serial,
uint32_t new_serial, uint32_t num_parts, uint8_t commit,
const char* log_msg, struct nsd* nsd, uint64_t filenumber);
/*
* Overwrite committed value of diff file with discarded to ensure diff
* file is not reapplied on reload.
*/
void diff_update_commit(const char* zone,
uint8_t commit, struct nsd* nsd, uint64_t filenumber);
/*
* These functions read parts of the diff file.
*/
int diff_read_32(FILE *in, uint32_t* result);
int diff_read_8(FILE *in, uint8_t* result);
int diff_read_str(FILE* in, char* buf, size_t len);
/* delete the RRs for a zone from memory */
void delete_zone_rrs(namedb_type* db, zone_type* zone);
/* delete an RR */
int delete_RR(namedb_type* db, const dname_type* dname,
uint16_t type, uint16_t klass,
buffer_type* packet, size_t rdatalen, zone_type *zone,
region_type* temp_region, int* softfail);
/* add an RR */
int add_RR(namedb_type* db, const dname_type* dname,
uint16_t type, uint16_t klass, uint32_t ttl,
buffer_type* packet, size_t rdatalen, zone_type *zone,
int* softfail);
/* task udb structure */
struct task_list_d {
/** next task in list */
udb_rel_ptr next;
/** task type */
enum {
/** expire or un-expire a zone */
task_expire,
/** apply an ixfr or axfr to a zone */
task_apply_xfr,
/** soa info for zone */
task_soa_info,
/** check mtime of zonefiles and read them, done on SIGHUP */
task_check_zonefiles,
/** write zonefiles (if changed) */
task_write_zonefiles,
/** set verbosity */
task_set_verbosity,
/** add a zone */
task_add_zone,
/** delete zone */
task_del_zone,
/** add TSIG key */
task_add_key,
/** delete TSIG key */
task_del_key,
/** add pattern */
task_add_pattern,
/** delete pattern */
task_del_pattern,
/** options change */
task_opt_change,
/** zonestat increment */
task_zonestat_inc,
/** add a new cookie secret */
task_add_cookie_secret,
/** drop the oldest cookie secret */
task_drop_cookie_secret,
/** make staging cookie secret active */
task_activate_cookie_secret,
} task_type;
uint32_t size; /* size of this struct */
/** soainfo: zonename dname, soaRR wireform, yesno is soainfo_hint */
/** expire: zonename, boolyesno */
/** apply_xfr: zonename, serials, yesno is filenamecounter */
uint32_t oldserial, newserial;
/** general variable. for some used to see if zname is present. */
uint64_t yesno;
struct dname zname[0];
};
#define TASKLIST(ptr) ((struct task_list_d*)UDB_PTR(ptr))
/** create udb for tasks */
struct udb_base* task_file_create(const char* file);
void task_remap(udb_base* udb);
void task_process_sync(udb_base* udb);
void task_clear(udb_base* udb);
void task_new_soainfo(udb_base* udb, udb_ptr* last, struct zone* z, enum soainfo_hint hint);
void task_new_expire(udb_base* udb, udb_ptr* last,
const struct dname* z, int expired);
void task_new_check_zonefiles(udb_base* udb, udb_ptr* last,
const dname_type* zone);
void task_new_write_zonefiles(udb_base* udb, udb_ptr* last,
const dname_type* zone);
void task_new_set_verbosity(udb_base* udb, udb_ptr* last, int v);
void task_new_add_zone(udb_base* udb, udb_ptr* last, const char* zone,
const char* pattern, unsigned zonestatid);
void task_new_del_zone(udb_base* udb, udb_ptr* last, const dname_type* dname);
void task_new_add_key(udb_base* udb, udb_ptr* last, struct key_options* key);
void task_new_del_key(udb_base* udb, udb_ptr* last, const char* name);
void task_new_add_pattern(udb_base* udb, udb_ptr* last,
struct pattern_options* p);
void task_new_del_pattern(udb_base* udb, udb_ptr* last, const char* name);
void task_new_opt_change(udb_base* udb, udb_ptr* last, struct nsd_options* opt);
void task_new_zonestat_inc(udb_base* udb, udb_ptr* last, unsigned sz);
void task_new_add_cookie_secret(udb_base* udb, udb_ptr* last, const char* secret);
void task_new_drop_cookie_secret(udb_base* udb, udb_ptr* last);
void task_new_activate_cookie_secret(udb_base* udb, udb_ptr* last);
int task_new_apply_xfr(udb_base* udb, udb_ptr* last, const dname_type* zone,
uint32_t old_serial, uint32_t new_serial, uint64_t filenumber);
void task_process_in_reload(struct nsd* nsd, udb_base* udb, udb_ptr *last_task,
udb_ptr* task);
void task_process_expire(namedb_type* db, struct task_list_d* task);
