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dns_conf: add error logs when config is invalid.

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This commit is contained in:
Nick Peng
2023-11-14 22:38:33 +08:00
parent eb9fc6c13d
commit d54d7cf80a
3 changed files with 36 additions and 12 deletions
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42
src/dns_conf.c
View File

@@ -681,7 +681,10 @@ static int _config_server(int argc, char *argv[], dns_server_type_t type, int de
break;
}
default:
tlog(TLOG_WARN, "invalid server option: %s", argv[optind - 1]);
tlog(TLOG_WARN, "unknown server option: %s at '%s:%d'.", argv[optind - 1], conf_get_conf_file(),
conf_get_current_lineno());
syslog(LOG_WARNING, "unknown server option: %s at '%s:%d'.", argv[optind - 1], conf_get_conf_file(),
conf_get_current_lineno());
break;
}
}
@@ -2220,7 +2223,10 @@ static int _config_bind_ip(int argc, char *argv[], DNS_BIND_TYPE type)
break;
}
default:
tlog(TLOG_WARN, "invalid bind option: %s", argv[optind - 1]);
tlog(TLOG_WARN, "unknown bind option: %s at '%s:%d'.", argv[optind - 1], conf_get_conf_file(),
conf_get_current_lineno());
syslog(LOG_WARNING, "unknown bind option: %s at '%s:%d'.", argv[optind - 1], conf_get_conf_file(),
conf_get_current_lineno());
break;
}
}
@@ -2835,6 +2841,11 @@ static int _conf_domain_set(void *data, int argc, char *argv[])
goto errout;
}
if (access(domain_set->file, F_OK) != 0) {
tlog(TLOG_ERROR, "domain set file %s not readable. %s", domain_set->file, strerror(errno));
goto errout;
}
key = hash_string(set_name);
hash_for_each_possible(dns_domain_set_name_table.names, domain_set_name_list, node, key)
{
@@ -3262,7 +3273,10 @@ static int _conf_ip_rules(void *data, int argc, char *argv[])
break;
}
default:
tlog(TLOG_WARN, "invalid ip-rules option: %s", argv[optind - 1]);
tlog(TLOG_WARN, "unknown ip-rules option: %s at '%s:%d'.", argv[optind - 1], conf_get_conf_file(),
conf_get_current_lineno());
syslog(LOG_WARNING, "unknown ip-rules option: %s at '%s:%d'.", argv[optind - 1], conf_get_conf_file(),
conf_get_current_lineno());
break;
}
}
@@ -3331,6 +3345,11 @@ static int _conf_ip_set(void *data, int argc, char *argv[])
}
/* clang-format on */
if (access(ip_set->file, F_OK) != 0) {
tlog(TLOG_ERROR, "ip set file %s not readable. %s", ip_set->file, strerror(errno));
goto errout;
}
if (set_name[0] == 0 || ip_set->file[0] == 0) {
tlog(TLOG_ERROR, "invalid parameter.");
goto errout;
@@ -3662,7 +3681,10 @@ static int _conf_domain_rules(void *data, int argc, char *argv[])
break;
}
default:
tlog(TLOG_WARN, "invalid domain-rules option: %s", argv[optind - 1]);
tlog(TLOG_WARN, "unknown domain-rules option: %s at '%s:%d'.", argv[optind - 1], conf_get_conf_file(),
conf_get_current_lineno());
syslog(LOG_WARNING, "unknown domain-rules option: %s at '%s:%d'.", argv[optind - 1], conf_get_conf_file(),
conf_get_current_lineno());
break;
}
}
@@ -4203,13 +4225,13 @@ static int _conf_printf(const char *file, int lineno, int ret)
case CONF_RET_ERR:
case CONF_RET_WARN:
case CONF_RET_BADCONF:
tlog(TLOG_WARN, "process config file '%s' failed at line %d.", file, lineno);
syslog(LOG_NOTICE, "process config file '%s' failed at line %d.", file, lineno);
tlog(TLOG_WARN, "process config failed at '%s:%d'.", file, lineno);
syslog(LOG_WARNING, "process config failed at '%s:%d'.", file, lineno);
return -1;
break;
case CONF_RET_NOENT:
tlog(TLOG_WARN, "unsupported config at '%s:%d'.", file, lineno);
syslog(LOG_NOTICE, "unsupported config at '%s:%d'.", file, lineno);
syslog(LOG_WARNING, "unsupported config at '%s:%d'.", file, lineno);
return -1;
break;
default:
@@ -4247,9 +4269,9 @@ int config_additional_file(void *data, int argc, char *argv[])
}
if (access(file_path, R_OK) != 0) {
tlog(TLOG_WARN, "conf file %s is not readable.", file_path);
syslog(LOG_NOTICE, "conf file %s is not readable.", file_path);
return 0;
tlog(TLOG_WARN, "config file '%s' is not readable, %s", conf_file, strerror(errno));
syslog(LOG_WARNING, "config file '%s' is not readable, %s", conf_file, strerror(errno));
return -1;
}
return load_conf(file_path, _config_item, _conf_printf);

4
src/include/conf.h
View File

@@ -122,9 +122,9 @@ struct config_enum {
.data = value, .min = min_value, .max = max_value \
} \
}
#define CONF_SSIZE(key, value, min_value, max_value) \
#define CONF_SSIZE(key, value, min_value, max_value) \
{ \
key, conf_ssize, &(struct config_item_ssize) \
key, conf_ssize, &(struct config_item_ssize) \
{ \
.data = value, .min = min_value, .max = max_value \
} \

2
src/lib/conf.c
View File

@@ -24,6 +24,7 @@
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
static const char *current_conf_file = NULL;
static int current_conf_lineno = 0;
@@ -372,6 +373,7 @@ static int load_conf_file(const char *file, struct config_item *items, conf_erro
fp = fopen(file, "r");
if (fp == NULL) {
fprintf(stderr, "open config file '%s' failed, %s\n", file, strerror(errno));
return -1;
}