diff options
Diffstat (limited to 'external/unbound/util/config_file.c')
-rw-r--r-- | external/unbound/util/config_file.c | 420 |
1 files changed, 399 insertions, 21 deletions
diff --git a/external/unbound/util/config_file.c b/external/unbound/util/config_file.c index cc7d99086..af176929d 100644 --- a/external/unbound/util/config_file.c +++ b/external/unbound/util/config_file.c @@ -62,6 +62,9 @@ #ifdef HAVE_GLOB_H # include <glob.h> #endif +#ifdef CLIENT_SUBNET +#include "edns-subnet/edns-subnet.h" +#endif #ifdef HAVE_PWD_H #include <pwd.h> #endif @@ -98,13 +101,17 @@ config_create(void) cfg->do_udp = 1; cfg->do_tcp = 1; cfg->tcp_upstream = 0; + cfg->tcp_mss = 0; + cfg->outgoing_tcp_mss = 0; cfg->ssl_service_key = NULL; cfg->ssl_service_pem = NULL; cfg->ssl_port = 853; cfg->ssl_upstream = 0; cfg->use_syslog = 1; + cfg->log_identity = NULL; /* changed later with argv[0] */ cfg->log_time_ascii = 0; cfg->log_queries = 0; + cfg->log_replies = 0; #ifndef USE_WINSOCK # ifdef USE_MINI_EVENT /* select max 1024 sockets */ @@ -155,18 +162,28 @@ config_create(void) cfg->donotqueryaddrs = NULL; cfg->donotquery_localhost = 1; cfg->root_hints = NULL; + cfg->use_systemd = 0; cfg->do_daemonize = 1; cfg->if_automatic = 0; cfg->so_rcvbuf = 0; cfg->so_sndbuf = 0; cfg->so_reuseport = 0; cfg->ip_transparent = 0; + cfg->ip_freebind = 0; cfg->num_ifs = 0; cfg->ifs = NULL; cfg->num_out_ifs = 0; cfg->out_ifs = NULL; cfg->stubs = NULL; cfg->forwards = NULL; +#ifdef CLIENT_SUBNET + cfg->client_subnet = NULL; + cfg->client_subnet_opcode = LDNS_EDNS_CLIENT_SUBNET; + cfg->client_subnet_always_forward = 0; + cfg->max_client_subnet_ipv4 = 24; + cfg->max_client_subnet_ipv6 = 56; +#endif + cfg->views = NULL; cfg->acls = NULL; cfg->harden_short_bufsize = 0; cfg->harden_large_queries = 0; @@ -182,6 +199,7 @@ config_create(void) cfg->unwanted_threshold = 0; cfg->hide_identity = 0; cfg->hide_version = 0; + cfg->hide_trustanchor = 0; cfg->identity = NULL; cfg->version = NULL; cfg->auto_trust_anchor_file_list = NULL; @@ -199,6 +217,7 @@ config_create(void) cfg->val_log_squelch = 0; cfg->val_permissive_mode = 0; cfg->ignore_cd = 0; + cfg->serve_expired = 0; cfg->add_holddown = 30*24*3600; cfg->del_holddown = 30*24*3600; cfg->keep_missing = 366*24*3600; /* one year plus a little leeway */ @@ -209,7 +228,9 @@ config_create(void) cfg->local_zones = NULL; cfg->local_zones_nodefault = NULL; cfg->local_data = NULL; + cfg->local_zone_overrides = NULL; cfg->unblock_lan_zones = 0; + cfg->insecure_lan_zones = 0; cfg->python_script = NULL; cfg->remote_control_enable = 0; cfg->control_ifs = NULL; @@ -227,20 +248,37 @@ config_create(void) if(!(cfg->control_cert_file = strdup(RUN_DIR"/unbound_control.pem"))) goto error_exit; +#ifdef CLIENT_SUBNET + if(!(cfg->module_conf = strdup("subnetcache validator iterator"))) goto error_exit; +#else if(!(cfg->module_conf = strdup("validator iterator"))) goto error_exit; +#endif if(!(cfg->val_nsec3_key_iterations = strdup("1024 150 2048 500 4096 2500"))) goto error_exit; #if defined(DNSTAP_SOCKET_PATH) if(!(cfg->dnstap_socket_path = strdup(DNSTAP_SOCKET_PATH))) goto error_exit; #endif + cfg->disable_dnssec_lame_check = 0; + cfg->ip_ratelimit = 0; cfg->ratelimit = 0; + cfg->ip_ratelimit_slabs = 4; cfg->ratelimit_slabs = 4; + cfg->ip_ratelimit_size = 4*1024*1024; cfg->ratelimit_size = 4*1024*1024; cfg->ratelimit_for_domain = NULL; cfg->ratelimit_below_domain = NULL; + cfg->ip_ratelimit_factor = 10; cfg->ratelimit_factor = 10; cfg->qname_minimisation = 0; + cfg->qname_minimisation_strict = 0; + cfg->shm_enable = 0; + cfg->shm_key = 11777; + cfg->dnscrypt = 0; + cfg->dnscrypt_port = 0; + cfg->dnscrypt_provider = NULL; + cfg->dnscrypt_provider_cert = NULL; + cfg->dnscrypt_secret_key = NULL; return cfg; error_exit: config_delete(cfg); @@ -361,18 +399,24 @@ int config_set_option(struct config_file* cfg, const char* opt, log_set_time_asc(cfg->log_time_ascii); } else S_SIZET_NONZERO("max-udp-size:", max_udp_size) else S_YNO("use-syslog:", use_syslog) + else S_STR("log-identity:", log_identity) else S_YNO("extended-statistics:", stat_extended) else S_YNO("statistics-cumulative:", stat_cumulative) + else S_YNO("shm-enable:", shm_enable) + else S_NUMBER_OR_ZERO("shm-key:", shm_key) else S_YNO("do-ip4:", do_ip4) else S_YNO("do-ip6:", do_ip6) else S_YNO("do-udp:", do_udp) else S_YNO("do-tcp:", do_tcp) else S_YNO("tcp-upstream:", tcp_upstream) + else S_NUMBER_NONZERO("tcp-mss:", tcp_mss) + else S_NUMBER_NONZERO("outgoing-tcp-mss:", outgoing_tcp_mss) else S_YNO("ssl-upstream:", ssl_upstream) else S_STR("ssl-service-key:", ssl_service_key) else S_STR("ssl-service-pem:", ssl_service_pem) else S_NUMBER_NONZERO("ssl-port:", ssl_port) else S_YNO("interface-automatic:", if_automatic) + else S_YNO("use-systemd:", use_systemd) else S_YNO("do-daemonize:", do_daemonize) else S_NUMBER_NONZERO("port:", port) else S_NUMBER_NONZERO("outgoing-range:", outgoing_num_ports) @@ -388,6 +432,7 @@ int config_set_option(struct config_file* cfg, const char* opt, else S_MEMSIZE("so-sndbuf:", so_sndbuf) else S_YNO("so-reuseport:", so_reuseport) else S_YNO("ip-transparent:", ip_transparent) + else S_YNO("ip-freebind:", ip_freebind) else S_MEMSIZE("rrset-cache-size:", rrset_cache_size) else S_POW2("rrset-cache-slabs:", rrset_cache_slabs) else S_YNO("prefetch:", prefetch) @@ -412,6 +457,7 @@ int config_set_option(struct config_file* cfg, const char* opt, else S_STR("pidfile:", pidfile) else S_YNO("hide-identity:", hide_identity) else S_YNO("hide-version:", hide_version) + else S_YNO("hide-trustanchor:", hide_trustanchor) else S_STR("identity:", identity) else S_STR("version:", version) else S_STRLIST("root-hints:", root_hints) @@ -442,8 +488,10 @@ int config_set_option(struct config_file* cfg, const char* opt, else S_NUMBER_OR_ZERO("val-log-level:", val_log_level) else S_YNO("val-log-squelch:", val_log_squelch) else S_YNO("log-queries:", log_queries) + else S_YNO("log-replies:", log_replies) else S_YNO("val-permissive-mode:", val_permissive_mode) else S_YNO("ignore-cd-flag:", ignore_cd) + else S_YNO("serve-expired:", serve_expired) else S_STR("val-nsec3-keysize-iterations:", val_nsec3_key_iterations) else S_UNSIGNED_OR_ZERO("add-holddown:", add_holddown) else S_UNSIGNED_OR_ZERO("del-holddown:", del_holddown) @@ -458,6 +506,7 @@ int config_set_option(struct config_file* cfg, const char* opt, else S_YNO("rrset-roundrobin:", rrset_roundrobin) else S_STRLIST("local-data:", local_data) else S_YNO("unblock-lan-zones:", unblock_lan_zones) + else S_YNO("insecure-lan-zones:", insecure_lan_zones) else S_YNO("control-enable:", remote_control_enable) else S_STRLIST("control-interface:", control_ifs) else S_NUMBER_NONZERO("control-port:", control_port) @@ -467,17 +516,34 @@ int config_set_option(struct config_file* cfg, const char* opt, else S_STR("control-cert-file:", control_cert_file) else S_STR("module-config:", module_conf) else S_STR("python-script:", python_script) + else S_YNO("disable-dnssec-lame-check:", disable_dnssec_lame_check) +#ifdef CLIENT_SUBNET + /* Can't set max subnet prefix here, since that value is used when + * generating the address tree. */ + /* No client-subnet-always-forward here, module registration depends on + * this option. */ +#endif + else if(strcmp(opt, "ip-ratelimit:") == 0) { + IS_NUMBER_OR_ZERO; cfg->ip_ratelimit = atoi(val); + infra_ip_ratelimit=cfg->ip_ratelimit; + } else if(strcmp(opt, "ratelimit:") == 0) { IS_NUMBER_OR_ZERO; cfg->ratelimit = atoi(val); infra_dp_ratelimit=cfg->ratelimit; } + else S_MEMSIZE("ip-ratelimit-size:", ip_ratelimit_size) else S_MEMSIZE("ratelimit-size:", ratelimit_size) + else S_POW2("ip-ratelimit-slabs:", ip_ratelimit_slabs) else S_POW2("ratelimit-slabs:", ratelimit_slabs) + else S_NUMBER_OR_ZERO("ip-ratelimit-factor:", ip_ratelimit_factor) else S_NUMBER_OR_ZERO("ratelimit-factor:", ratelimit_factor) else S_YNO("qname-minimisation:", qname_minimisation) + else S_YNO("qname-minimisation-strict:", qname_minimisation_strict) + else if(strcmp(opt, "define-tag:") ==0) { + return config_add_tag(cfg, val); /* val_sig_skew_min and max are copied into val_env during init, * so this does not update val_env with set_option */ - else if(strcmp(opt, "val-sig-skew-min:") == 0) + } else if(strcmp(opt, "val-sig-skew-min:") == 0) { IS_NUMBER_OR_ZERO; cfg->val_sig_skew_min = (int32_t)atoi(val); } else if(strcmp(opt, "val-sig-skew-max:") == 0) { IS_NUMBER_OR_ZERO; cfg->val_sig_skew_max = (int32_t)atoi(val); } @@ -496,9 +562,13 @@ int config_set_option(struct config_file* cfg, const char* opt, /* unknown or unsupported (from the set_option interface): * interface, outgoing-interface, access-control, * stub-zone, name, stub-addr, stub-host, stub-prime - * forward-first, stub-first, - * forward-zone, name, forward-addr, forward-host, - * ratelimit-for-domain, ratelimit-below-domain */ + * forward-first, stub-first, forward-ssl-upstream, + * stub-ssl-upstream, forward-zone, + * name, forward-addr, forward-host, + * ratelimit-for-domain, ratelimit-below-domain, + * local-zone-tag, access-control-view + * send-client-subnet client-subnet-always-forward + * max-client-subnet-ipv4 max-client-subnet-ipv6 */ return 0; } return 1; @@ -622,9 +692,31 @@ config_collate_cat(struct config_strlist* list) /** compare and print list option */ #define O_LS2(opt, name, lst) if(strcmp(opt, name)==0) { \ struct config_str2list* p = cfg->lst; \ - for(p = cfg->lst; p; p = p->next) \ - snprintf(buf, len, "%s %s\n", p->str, p->str2); \ + for(p = cfg->lst; p; p = p->next) { \ + snprintf(buf, len, "%s %s", p->str, p->str2); \ + func(buf, arg); \ + } \ + } +/** compare and print list option */ +#define O_LS3(opt, name, lst) if(strcmp(opt, name)==0) { \ + struct config_str3list* p = cfg->lst; \ + for(p = cfg->lst; p; p = p->next) { \ + snprintf(buf, len, "%s %s %s", p->str, p->str2, p->str3); \ func(buf, arg); \ + } \ + } +/** compare and print taglist option */ +#define O_LTG(opt, name, lst) if(strcmp(opt, name)==0) { \ + char* tmpstr = NULL; \ + struct config_strbytelist *p = cfg->lst; \ + for(p = cfg->lst; p; p = p->next) {\ + tmpstr = config_taglist2str(cfg, p->str2, p->str2len); \ + if(tmpstr) {\ + snprintf(buf, len, "%s %s", p->str, tmpstr); \ + func(buf, arg); \ + free(tmpstr); \ + } \ + } \ } int @@ -638,7 +730,10 @@ config_get_option(struct config_file* cfg, const char* opt, else O_DEC(opt, "statistics-interval", stat_interval) else O_YNO(opt, "statistics-cumulative", stat_cumulative) else O_YNO(opt, "extended-statistics", stat_extended) + else O_YNO(opt, "shm-enable", shm_enable) + else O_DEC(opt, "shm-key", shm_key) else O_YNO(opt, "use-syslog", use_syslog) + else O_STR(opt, "log-identity", log_identity) else O_YNO(opt, "log-time-ascii", log_time_ascii) else O_DEC(opt, "num-threads", num_threads) else O_IFC(opt, "interface", num_ifs, ifs) @@ -658,6 +753,7 @@ config_get_option(struct config_file* cfg, const char* opt, else O_MEM(opt, "so-sndbuf", so_sndbuf) else O_YNO(opt, "so-reuseport", so_reuseport) else O_YNO(opt, "ip-transparent", ip_transparent) + else O_YNO(opt, "ip-freebind", ip_freebind) else O_MEM(opt, "rrset-cache-size", rrset_cache_size) else O_DEC(opt, "rrset-cache-slabs", rrset_cache_slabs) else O_YNO(opt, "prefetch-key", prefetch_key) @@ -675,19 +771,24 @@ config_get_option(struct config_file* cfg, const char* opt, else O_YNO(opt, "do-udp", do_udp) else O_YNO(opt, "do-tcp", do_tcp) else O_YNO(opt, "tcp-upstream", tcp_upstream) + else O_DEC(opt, "tcp-mss", tcp_mss) + else O_DEC(opt, "outgoing-tcp-mss", outgoing_tcp_mss) else O_YNO(opt, "ssl-upstream", ssl_upstream) else O_STR(opt, "ssl-service-key", ssl_service_key) else O_STR(opt, "ssl-service-pem", ssl_service_pem) else O_DEC(opt, "ssl-port", ssl_port) + else O_YNO(opt, "use-systemd", use_systemd) else O_YNO(opt, "do-daemonize", do_daemonize) else O_STR(opt, "chroot", chrootdir) else O_STR(opt, "username", username) else O_STR(opt, "directory", directory) else O_STR(opt, "logfile", logfile) else O_YNO(opt, "log-queries", log_queries) + else O_YNO(opt, "log-replies", log_replies) else O_STR(opt, "pidfile", pidfile) else O_YNO(opt, "hide-identity", hide_identity) else O_YNO(opt, "hide-version", hide_version) + else O_YNO(opt, "hide-trustanchor", hide_trustanchor) else O_STR(opt, "identity", identity) else O_STR(opt, "version", version) else O_STR(opt, "target-fetch-policy", target_fetch_policy) @@ -709,6 +810,7 @@ config_get_option(struct config_file* cfg, const char* opt, else O_DEC(opt, "val-log-level", val_log_level) else O_YNO(opt, "val-permissive-mode", val_permissive_mode) else O_YNO(opt, "ignore-cd-flag", ignore_cd) + else O_YNO(opt, "serve-expired", serve_expired) else O_STR(opt, "val-nsec3-keysize-iterations",val_nsec3_key_iterations) else O_UNS(opt, "add-holddown", add_holddown) else O_UNS(opt, "del-holddown", del_holddown) @@ -738,18 +840,40 @@ config_get_option(struct config_file* cfg, const char* opt, else O_UNS(opt, "val-override-date", val_date_override) else O_YNO(opt, "minimal-responses", minimal_responses) else O_YNO(opt, "rrset-roundrobin", rrset_roundrobin) +#ifdef CLIENT_SUBNET + else O_LST(opt, "send-client-subnet", client_subnet) + else O_DEC(opt, "max-client-subnet-ipv4", max_client_subnet_ipv4) + else O_DEC(opt, "max-client-subnet-ipv6", max_client_subnet_ipv6) + else O_YNO(opt, "client-subnet-always-forward:", + client_subnet_always_forward) +#endif else O_YNO(opt, "unblock-lan-zones", unblock_lan_zones) + else O_YNO(opt, "insecure-lan-zones", insecure_lan_zones) else O_DEC(opt, "max-udp-size", max_udp_size) else O_STR(opt, "python-script", python_script) + else O_YNO(opt, "disable-dnssec-lame-check", disable_dnssec_lame_check) + else O_DEC(opt, "ip-ratelimit", ip_ratelimit) else O_DEC(opt, "ratelimit", ratelimit) + else O_MEM(opt, "ip-ratelimit-size", ip_ratelimit_size) else O_MEM(opt, "ratelimit-size", ratelimit_size) + else O_DEC(opt, "ip-ratelimit-slabs", ip_ratelimit_slabs) else O_DEC(opt, "ratelimit-slabs", ratelimit_slabs) else O_LS2(opt, "ratelimit-for-domain", ratelimit_for_domain) else O_LS2(opt, "ratelimit-below-domain", ratelimit_below_domain) + else O_DEC(opt, "ip-ratelimit-factor", ip_ratelimit_factor) else O_DEC(opt, "ratelimit-factor", ratelimit_factor) else O_DEC(opt, "val-sig-skew-min", val_sig_skew_min) else O_DEC(opt, "val-sig-skew-max", val_sig_skew_max) else O_YNO(opt, "qname-minimisation", qname_minimisation) + else O_YNO(opt, "qname-minimisation-strict", qname_minimisation_strict) + else O_IFC(opt, "define-tag", num_tags, tagname) + else O_LTG(opt, "local-zone-tag", local_zone_tags) + else O_LTG(opt, "access-control-tag", acl_tags) + else O_LTG(opt, "response-ip-tag", respip_tags) + else O_LS3(opt, "local-zone-override", local_zone_overrides) + else O_LS3(opt, "access-control-tag-action", acl_tag_actions) + else O_LS3(opt, "access-control-tag-data", acl_tag_datas) + else O_LS2(opt, "access-control-view", acl_view) /* not here: * outgoing-permit, outgoing-avoid - have list of ports * local-zone - zones and nodefault variables @@ -854,6 +978,8 @@ config_read(struct config_file* cfg, const char* filename, const char* chroot) ub_c_parse(); fclose(in); + if(!cfg->dnscrypt) cfg->dnscrypt_port = 0; + if(cfg_parser->errors != 0) { fprintf(stderr, "read %s failed: %d errors in configuration file\n", fname, cfg_parser->errors); @@ -864,6 +990,18 @@ config_read(struct config_file* cfg, const char* filename, const char* chroot) return 1; } +struct config_stub* cfg_stub_find(struct config_stub*** pp, const char* nm) +{ + struct config_stub* p = *(*pp); + while(p) { + if(strcmp(p->name, nm) == 0) + return p; + (*pp) = &p->next; + p = p->next; + } + return NULL; +} + void config_delstrlist(struct config_strlist* p) { @@ -890,14 +1028,82 @@ config_deldblstrlist(struct config_str2list* p) } void +config_deltrplstrlist(struct config_str3list* p) +{ + struct config_str3list *np; + while(p) { + np = p->next; + free(p->str); + free(p->str2); + free(p->str3); + free(p); + p = np; + } +} + +void +config_delstub(struct config_stub* p) +{ + if(!p) return; + free(p->name); + config_delstrlist(p->hosts); + config_delstrlist(p->addrs); + free(p); +} + +void config_delstubs(struct config_stub* p) { struct config_stub* np; while(p) { np = p->next; - free(p->name); - config_delstrlist(p->hosts); - config_delstrlist(p->addrs); + config_delstub(p); + p = np; + } +} + +void +config_delview(struct config_view* p) +{ + if(!p) return; + free(p->name); + config_deldblstrlist(p->local_zones); + config_delstrlist(p->local_zones_nodefault); + config_delstrlist(p->local_data); + free(p); +} + +void +config_delviews(struct config_view* p) +{ + struct config_view* np; + while(p) { + np = p->next; + config_delview(p); + p = np; + } +} +/** delete string array */ +static void +config_del_strarray(char** array, int num) +{ + int i; + if(!array) + return; + for(i=0; i<num; i++) { + free(array[i]); + } + free(array); +} + +void +config_del_strbytelist(struct config_strbytelist* p) +{ + struct config_strbytelist* np; + while(p) { + np = p->next; + free(p->str); + free(p->str2); free(p); p = np; } @@ -915,22 +1121,17 @@ config_delete(struct config_file* cfg) free(cfg->target_fetch_policy); free(cfg->ssl_service_key); free(cfg->ssl_service_pem); - if(cfg->ifs) { - int i; - for(i=0; i<cfg->num_ifs; i++) - free(cfg->ifs[i]); - free(cfg->ifs); - } - if(cfg->out_ifs) { - int i; - for(i=0; i<cfg->num_out_ifs; i++) - free(cfg->out_ifs[i]); - free(cfg->out_ifs); - } + free(cfg->log_identity); + config_del_strarray(cfg->ifs, cfg->num_ifs); + config_del_strarray(cfg->out_ifs, cfg->num_out_ifs); config_delstubs(cfg->stubs); config_delstubs(cfg->forwards); + config_delviews(cfg->views); config_delstrlist(cfg->donotqueryaddrs); config_delstrlist(cfg->root_hints); +#ifdef CLIENT_SUBNET + config_delstrlist(cfg->client_subnet); +#endif free(cfg->identity); free(cfg->version); free(cfg->module_conf); @@ -950,6 +1151,13 @@ config_delete(struct config_file* cfg) config_deldblstrlist(cfg->local_zones); config_delstrlist(cfg->local_zones_nodefault); config_delstrlist(cfg->local_data); + config_deltrplstrlist(cfg->local_zone_overrides); + config_del_strarray(cfg->tagname, cfg->num_tags); + config_del_strbytelist(cfg->local_zone_tags); + config_del_strbytelist(cfg->acl_tags); + config_del_strbytelist(cfg->respip_tags); + config_deltrplstrlist(cfg->acl_tag_actions); + config_deltrplstrlist(cfg->acl_tag_datas); config_delstrlist(cfg->control_ifs); free(cfg->server_key_file); free(cfg->server_cert_file); @@ -1108,6 +1316,23 @@ int cfg_strlist_append(struct config_strlist_head* list, char* item) } int +cfg_region_strlist_insert(struct regional* region, + struct config_strlist** head, char* item) +{ + struct config_strlist *s; + if(!item || !head) + return 0; + s = (struct config_strlist*)regional_alloc_zero(region, + sizeof(struct config_strlist)); + if(!s) + return 0; + s->str = item; + s->next = *head; + *head = s; + return 1; +} + +int cfg_strlist_insert(struct config_strlist** head, char* item) { struct config_strlist *s; @@ -1138,6 +1363,42 @@ cfg_str2list_insert(struct config_str2list** head, char* item, char* i2) return 1; } +int +cfg_str3list_insert(struct config_str3list** head, char* item, char* i2, + char* i3) +{ + struct config_str3list *s; + if(!item || !i2 || !i3 || !head) + return 0; + s = (struct config_str3list*)calloc(1, sizeof(struct config_str3list)); + if(!s) + return 0; + s->str = item; + s->str2 = i2; + s->str3 = i3; + s->next = *head; + *head = s; + return 1; +} + +int +cfg_strbytelist_insert(struct config_strbytelist** head, char* item, + uint8_t* i2, size_t i2len) +{ + struct config_strbytelist* s; + if(!item || !i2 || !head) + return 0; + s = (struct config_strbytelist*)calloc(1, sizeof(*s)); + if(!s) + return 0; + s->str = item; + s->str2 = i2; + s->str2len = i2len; + s->next = *head; + *head = s; + return 1; +} + time_t cfg_convert_timeval(const char* str) { @@ -1242,6 +1503,123 @@ cfg_parse_memsize(const char* str, size_t* res) return 1; } +int +find_tag_id(struct config_file* cfg, const char* tag) +{ + int i; + for(i=0; i<cfg->num_tags; i++) { + if(strcmp(cfg->tagname[i], tag) == 0) + return i; + } + return -1; +} + +int +config_add_tag(struct config_file* cfg, const char* tag) +{ + char** newarray; + char* newtag; + if(find_tag_id(cfg, tag) != -1) + return 1; /* nothing to do */ + newarray = (char**)malloc(sizeof(char*)*(cfg->num_tags+1)); + if(!newarray) + return 0; + newtag = strdup(tag); + if(!newtag) { + free(newarray); + return 0; + } + if(cfg->tagname) { + memcpy(newarray, cfg->tagname, sizeof(char*)*cfg->num_tags); + free(cfg->tagname); + } + newarray[cfg->num_tags++] = newtag; + cfg->tagname = newarray; + return 1; +} + +/** set a bit in a bit array */ +static void +cfg_set_bit(uint8_t* bitlist, size_t len, int id) +{ + int pos = id/8; + log_assert((size_t)pos < len); + (void)len; + bitlist[pos] |= 1<<(id%8); +} + +uint8_t* config_parse_taglist(struct config_file* cfg, char* str, + size_t* listlen) +{ + uint8_t* taglist = NULL; + size_t len = 0; + char* p, *s; + + /* allocate */ + if(cfg->num_tags == 0) { + log_err("parse taglist, but no tags defined"); + return 0; + } + len = (size_t)(cfg->num_tags+7)/8; + taglist = calloc(1, len); + if(!taglist) { + log_err("out of memory"); + return 0; + } + + /* parse */ + s = str; + while((p=strsep(&s, " \t\n")) != NULL) { + if(*p) { + int id = find_tag_id(cfg, p); + /* set this bit in the bitlist */ + if(id == -1) { + log_err("unknown tag: %s", p); + free(taglist); + return 0; + } + cfg_set_bit(taglist, len, id); + } + } + + *listlen = len; + return taglist; +} + +char* config_taglist2str(struct config_file* cfg, uint8_t* taglist, + size_t taglen) +{ + char buf[10240]; + size_t i, j, len = 0; + buf[0] = 0; + for(i=0; i<taglen; i++) { + if(taglist[i] == 0) + continue; + for(j=0; j<8; j++) { + if((taglist[i] & (1<<j)) != 0) { + size_t id = i*8 + j; + snprintf(buf+len, sizeof(buf)-len, "%s%s", + (len==0?"":" "), cfg->tagname[id]); + len += strlen(buf+len); + } + } + } + return strdup(buf); +} + +int taglist_intersect(uint8_t* list1, size_t list1len, uint8_t* list2, + size_t list2len) +{ + size_t i; + if(!list1 || !list2) + return 0; + for(i=0; i<list1len && i<list2len; i++) { + if((list1[i] & list2[i]) != 0) + return 1; + } + return 0; +} + void config_apply(struct config_file* config) { |