#include "config.h"
#include "util/log.h"
#include "util/configyyrename.h"
#include "util/config_file.h"
#include "util/configparser.h"
#include "util/net_help.h"
#include "util/iana_ports.inc"
Defines | |
#define | IS_NUMBER_OR_ZERO if(atoi(val) == 0 && strcmp(val, "0") != 0) return 0 |
check that the value passed is >= 0 | |
#define | IS_NONZERO_NUMBER if(atoi(val) == 0) return 0 |
check that the value passed is > 0 | |
#define | IS_POW2_NUMBER if(atoi(val) == 0 || !is_pow2((size_t)atoi(val))) return 0 |
check that the value passed is not 0 and a power of 2 | |
#define | IS_YES_OR_NO if(strcmp(val, "yes") != 0 && strcmp(val, "no") != 0) return 0 |
check that the value passed is yes or no | |
Functions | |
int | ub_c_parse (void) |
the yacc lex generated parse function | |
int | ub_c_lex (void) |
the lexer function | |
int | ub_c_wrap (void) |
wrap function | |
void | ub_c_error (const char *message) |
print error with file and line number | |
static void | init_outgoing_availports (int *array, int num) |
init ports possible for use | |
struct config_file * | config_create () |
Create config file structure. | |
struct config_file * | config_create_forlib () |
Create config file structure for library use. | |
int | config_set_option (struct config_file *cfg, const char *opt, const char *val) |
Set the given keyword to the given value. | |
static void | create_cfg_parser (struct config_file *cfg, char *filename, const char *chroot) |
initialize the global cfg_parser object | |
int | config_read (struct config_file *cfg, const char *filename, const char *chroot) |
Read the config file from the specified filename. | |
void | config_delstrlist (struct config_strlist *p) |
Delete items in config string list. | |
void | config_deldblstrlist (struct config_str2list *p) |
Delete items in config double string list. | |
void | config_delstubs (struct config_stub *p) |
Delete items in config stub list. | |
void | config_delete (struct config_file *cfg) |
Destroy the config file structure. | |
int | cfg_mark_ports (const char *str, int allow, int *avail, int num) |
Mark "number" or "low-high" as available or not in ports array. | |
int | cfg_scan_ports (int *avail, int num) |
Scan ports available. | |
int | cfg_condense_ports (struct config_file *cfg, int **avail) |
Get a condensed list of ports returned. | |
void | ub_c_error_va_list (const char *fmt, va_list args) |
print error with file and line number | |
void | ub_c_error_msg (const char *fmt,...) |
print error with file and line number | |
int | cfg_strlist_insert (struct config_strlist **head, char *item) |
Insert string into strlist. | |
int | cfg_str2list_insert (struct config_str2list **head, char *item, char *i2) |
Insert string into str2list. | |
uint32_t | cfg_convert_timeval (const char *str) |
Convert 14digit to time value. | |
int | cfg_count_numbers (const char *s) |
Count number of values in the string. | |
static int | isalldigit (const char *str, size_t l) |
all digit number | |
int | cfg_parse_memsize (const char *str, size_t *res) |
Convert a 'nice' memory or file size into a bytecount From '100k' to 102400. | |
void | config_apply (struct config_file *config) |
Apply config to global constants; this routine is called in single thread. | |
static size_t | strlen_after_chroot (const char *fname, struct config_file *cfg, int use_chdir) |
Calculate string length of full pathname in original filesys. | |
char * | fname_after_chroot (const char *fname, struct config_file *cfg, int use_chdir) |
Convert a filename to full pathname in original filesys. | |
static char * | next_space_pos (char *str) |
return next space character in string | |
static char * | last_space_pos (char *str) |
return last space character in string | |
char * | cfg_ptr_reverse (char *str) |
Convert a ptr shorthand into a full reverse-notation PTR record. | |
Variables | |
struct config_parser_state * | cfg_parser = 0 |
global config during parsing | |
FILE * | ub_c_in |
lex in file | |
FILE * | ub_c_out |
lex out file | |
uint32_t | MAX_TTL |
the MAX_TTL global |
struct config_file* config_create | ( | ) | [read] |
Create config file structure.
Filled with default values.
References config_file::acls, config_file::bogus_ttl, config_file::chrootdir, config_delete(), config_file::control_cert_file, config_file::control_ifs, config_file::control_key_file, config_file::control_port, config_file::directory, config_file::dlv_anchor_file, config_file::dlv_anchor_list, config_file::do_daemonize, config_file::do_ip4, config_file::do_ip6, config_file::do_tcp, config_file::do_udp, config_file::donotquery_localhost, config_file::donotqueryaddrs, error_exit(), config_file::forwards, config_file::harden_dnssec_stripped, config_file::harden_glue, config_file::harden_large_queries, config_file::harden_referral_path, config_file::harden_short_bufsize, config_file::hide_identity, config_file::hide_version, config_file::host_ttl, config_file::identity, config_file::if_automatic, config_file::ifs, config_file::incoming_num_tcp, config_file::infra_cache_lame_size, config_file::infra_cache_numhosts, config_file::infra_cache_slabs, init_outgoing_availports(), config_file::jostle_time, config_file::key_cache_size, config_file::key_cache_slabs, config_file::lame_ttl, config_file::local_data, config_file::local_zones, config_file::local_zones_nodefault, config_file::logfile, config_file::max_ttl, config_file::module_conf, config_file::msg_buffer_size, config_file::msg_cache_size, config_file::msg_cache_slabs, config_file::neg_cache_size, config_file::num_ifs, config_file::num_out_ifs, config_file::num_queries_per_thread, config_file::num_threads, config_file::out_ifs, config_file::outgoing_avail_ports, config_file::outgoing_num_ports, config_file::outgoing_num_tcp, config_file::pidfile, config_file::port, config_file::private_address, config_file::private_domain, config_file::remote_control_enable, config_file::root_hints, config_file::rrset_cache_size, config_file::rrset_cache_slabs, config_file::server_cert_file, config_file::server_key_file, config_file::stat_cumulative, config_file::stat_extended, config_file::stat_interval, config_file::stubs, config_file::target_fetch_policy, config_file::trust_anchor_file_list, config_file::trust_anchor_list, config_file::trusted_keys_file_list, config_file::unwanted_threshold, config_file::use_caps_bits_for_id, config_file::use_syslog, config_file::username, config_file::val_clean_additional, config_file::val_date_override, config_file::val_nsec3_key_iterations, config_file::val_permissive_mode, config_file::verbosity, and config_file::version.
Referenced by checkconf(), config_create_forlib(), go(), infra_test(), and run_daemon().
struct config_file* config_create_forlib | ( | ) | [read] |
Create config file structure for library use.
Filled with default values.
References config_file::chrootdir, config_create(), config_file::donotquery_localhost, config_file::infra_cache_slabs, config_file::key_cache_size, config_file::key_cache_slabs, config_file::msg_cache_size, config_file::msg_cache_slabs, config_file::neg_cache_size, config_file::outgoing_num_ports, config_file::outgoing_num_tcp, config_file::rrset_cache_size, config_file::rrset_cache_slabs, config_file::use_syslog, and config_file::verbosity.
Referenced by ub_ctx_create().
int config_set_option | ( | struct config_file * | config, | |
const char * | option, | |||
const char * | value | |||
) |
Set the given keyword to the given value.
config,: | where to store config | |
option,: | option name, including the ':' character. | |
value,: | value, this string is copied if needed, or parsed. The caller owns the value string. |
References config_file::bogus_ttl, cfg_convert_timeval(), cfg_mark_ports(), cfg_parse_memsize(), cfg_strlist_insert(), config_file::control_cert_file, config_file::control_ifs, config_file::control_key_file, config_file::control_port, config_file::dlv_anchor_file, config_file::dlv_anchor_list, config_file::do_ip4, config_file::do_ip6, config_file::do_tcp, config_file::do_udp, config_file::donotquery_localhost, config_file::donotqueryaddrs, config_file::harden_dnssec_stripped, config_file::harden_glue, config_file::harden_large_queries, config_file::harden_referral_path, config_file::harden_short_bufsize, config_file::host_ttl, config_file::incoming_num_tcp, config_file::infra_cache_lame_size, config_file::infra_cache_numhosts, config_file::infra_cache_slabs, IS_NONZERO_NUMBER, IS_NUMBER_OR_ZERO, IS_POW2_NUMBER, IS_YES_OR_NO, config_file::jostle_time, config_file::key_cache_size, config_file::key_cache_slabs, config_file::lame_ttl, config_file::local_data, config_file::logfile, config_file::max_ttl, config_file::module_conf, config_file::msg_buffer_size, config_file::msg_cache_size, config_file::msg_cache_slabs, config_file::neg_cache_size, config_file::num_queries_per_thread, config_file::outgoing_avail_ports, config_file::outgoing_num_ports, config_file::outgoing_num_tcp, config_file::private_address, config_file::private_domain, config_file::remote_control_enable, config_file::root_hints, config_file::rrset_cache_size, config_file::rrset_cache_slabs, config_file::server_cert_file, config_file::server_key_file, config_file::stat_extended, config_file::stat_interval, config_file::target_fetch_policy, config_file::trust_anchor_file_list, config_file::trust_anchor_list, config_file::trusted_keys_file_list, config_file::unwanted_threshold, config_file::use_syslog, config_file::val_clean_additional, config_file::val_date_override, config_file::val_nsec3_key_iterations, config_file::val_permissive_mode, and config_file::verbosity.
Referenced by ub_ctx_set_option().
int config_read | ( | struct config_file * | config, | |
const char * | filename, | |||
const char * | chroot | |||
) |
Read the config file from the specified filename.
config,: | where options are stored into, must be freshly created. | |
filename,: | name of configfile. If NULL nothing is done. | |
chroot,: | if not NULL, the chroot dir currently in use (for include). |
References create_cfg_parser(), config_parser_state::errors, config_parser_state::filename, log_err(), ub_c_in, and ub_c_parse().
Referenced by checkconf(), go(), run_daemon(), and ub_ctx_config().
void config_delstrlist | ( | struct config_strlist * | list | ) |
Delete items in config string list.
list,: | list. |
References config_strlist::next, and config_strlist::str.
Referenced by config_delete(), config_delstubs(), and lz_freeup_cfg().
void config_deldblstrlist | ( | struct config_str2list * | list | ) |
Delete items in config double string list.
list,: | list. |
References config_str2list::next, config_str2list::str, and config_str2list::str2.
Referenced by config_delete(), and lz_freeup_cfg().
void config_delstubs | ( | struct config_stub * | list | ) |
Delete items in config stub list.
list,: | list. |
References config_stub::addrs, config_delstrlist(), config_stub::hosts, config_stub::name, and config_stub::next.
Referenced by config_delete(), and ub_ctx_set_fwd().
void config_delete | ( | struct config_file * | config | ) |
Destroy the config file structure.
config,: | to delete. |
References config_file::acls, config_file::chrootdir, config_deldblstrlist(), config_delstrlist(), config_delstubs(), config_file::control_cert_file, config_file::control_ifs, config_file::control_key_file, config_file::directory, config_file::dlv_anchor_file, config_file::dlv_anchor_list, config_file::donotqueryaddrs, config_file::forwards, config_file::identity, config_file::ifs, config_file::local_data, config_file::local_zones, config_file::local_zones_nodefault, config_file::logfile, config_file::module_conf, config_file::num_ifs, config_file::num_out_ifs, config_file::out_ifs, config_file::outgoing_avail_ports, config_file::pidfile, config_file::private_address, config_file::private_domain, config_file::root_hints, config_file::server_cert_file, config_file::server_key_file, config_file::stubs, config_file::target_fetch_policy, config_file::trust_anchor_file_list, config_file::trust_anchor_list, config_file::trusted_keys_file_list, config_file::username, config_file::val_nsec3_key_iterations, and config_file::version.
Referenced by checkconf(), config_create(), go(), infra_test(), run_daemon(), and ub_ctx_delete().
int cfg_mark_ports | ( | const char * | str, | |
int | allow, | |||
int * | avail, | |||
int | num | |||
) |
Mark "number" or "low-high" as available or not in ports array.
str,: | string in input | |
allow,: | give true if this range is permitted. | |
avail,: | the array from cfg. | |
num,: | size of the array (65536). |
References log_err().
Referenced by config_set_option().
int cfg_scan_ports | ( | int * | avail, | |
int | num | |||
) |
Scan ports available.
avail,: | the array from cfg. | |
num,: | size of the array (65536). |
Referenced by cfg_condense_ports().
int cfg_condense_ports | ( | struct config_file * | cfg, | |
int ** | avail | |||
) |
Get a condensed list of ports returned.
allocated.
cfg,: | config file. | |
avail,: | the available ports array is returned here. |
References cfg_scan_ports(), log_assert, and config_file::outgoing_avail_ports.
Referenced by libworker_setup().
int cfg_strlist_insert | ( | struct config_strlist ** | head, | |
char * | item | |||
) |
Insert string into strlist.
head,: | pointer to strlist head variable. | |
item,: | new item. malloced by caller. If NULL the insertion fails. |
References config_strlist::next, and config_strlist::str.
Referenced by config_set_option(), ub_ctx_add_ta(), ub_ctx_add_ta_file(), ub_ctx_hosts(), ub_ctx_set_fwd(), and ub_ctx_trustedkeys().
int cfg_str2list_insert | ( | struct config_str2list ** | head, | |
char * | item, | |||
char * | i2 | |||
) |
Insert string into str2list.
head,: | pointer to str2list head variable. | |
item,: | new item. malloced by caller. If NULL the insertion fails. | |
i2,: | 2nd string, malloced by caller. If NULL the insertion fails. |
References config_str2list::next, config_str2list::str, and config_str2list::str2.
uint32_t cfg_convert_timeval | ( | const char * | str | ) |
Convert 14digit to time value.
str,: | string of 14 digits |
Referenced by config_set_option(), parse_cmdline(), and verifytest_file().
int cfg_count_numbers | ( | const char * | str | ) |
Count number of values in the string.
format ::= (sp num)+ sp num ::= [-](0-9)+ sp ::= (space|tab)*
str,: | string |
Referenced by read_fetch_policy(), and val_apply_cfg().
int cfg_parse_memsize | ( | const char * | str, | |
size_t * | res | |||
) |
Convert a 'nice' memory or file size into a bytecount From '100k' to 102400.
and so on. Understands kKmMgG. k=1024, m=1024*1024, g=1024*1024*1024.
str,: | string | |
res,: | result is stored here, size in bytes. |
References isalldigit(), and log_err().
Referenced by config_memsize_test(), config_set_option(), and main().
void config_apply | ( | struct config_file * | config | ) |
Apply config to global constants; this routine is called in single thread.
config,: | to apply. Side effect: global constants change. |
References config_file::max_ttl, and MAX_TTL.
Referenced by apply_settings(), and context_finalize().
static size_t strlen_after_chroot | ( | const char * | fname, | |
struct config_file * | cfg, | |||
int | use_chdir | |||
) | [static] |
Calculate string length of full pathname in original filesys.
fname,: | the path name to convert. Must not be null or empty. | |
cfg,: | config struct for chroot and chdir (if set). | |
use_chdir,: | if false, only chroot is applied. |
References config_file::chrootdir, and config_file::directory.
Referenced by fname_after_chroot().
char* fname_after_chroot | ( | const char * | fname, | |
struct config_file * | cfg, | |||
int | use_chdir | |||
) |
Convert a filename to full pathname in original filesys.
fname,: | the path name to convert. Must not be null or empty. | |
cfg,: | config struct for chroot and chdir (if set). | |
use_chdir,: | if false, only chroot is applied. |
References config_file::chrootdir, config_file::directory, and strlen_after_chroot().
Referenced by check_chroot_filelist_wild(), check_chroot_string(), morechecks(), perform_setup(), and setup_ctx().
char* cfg_ptr_reverse | ( | char * | str | ) |
Convert a ptr shorthand into a full reverse-notation PTR record.
str,: | input string, "IP name" |
References addr_is_ip6(), ipstrtoaddr(), last_space_pos(), log_err(), and next_space_pos().
struct config_parser_state* cfg_parser = 0 |
global config during parsing
global config parser object used during config parsing