void
dnsInit(void)
{
#if USE_DNSSERVERS
static int init = 0;
wordlist *w;
if (!Config.Program.dnsserver)
return;
if (dnsservers == NULL)
dnsservers = helperCreate("dnsserver");
dnsservers->n_to_start = Config.dnsChildren;
dnsservers->ipc_type = IPC_TCP_SOCKET;
assert(dnsservers->cmdline == NULL);
wordlistAdd(&dnsservers->cmdline, Config.Program.dnsserver);
if (Config.onoff.res_defnames)
wordlistAdd(&dnsservers->cmdline, "-D");
for (w = Config.dns_nameservers; w != NULL; w = w->next) {
wordlistAdd(&dnsservers->cmdline, "-s");
wordlistAdd(&dnsservers->cmdline, w->key);
}
helperOpenServers(dnsservers);
if (!init) {
cachemgrRegister("dns",
"Dnsserver Statistics",
dnsStats, 0, 1);
init = 1;
}
#endif
}
static const char *
netdbPeerName(const char *name)
{
const wordlist *w;
for (w = peer_names; w; w = w->next) {
if (!strcmp(w->key, name))
return w->key;
}
return wordlistAdd(&peer_names, name);
}
wordlist *
aclDumpExternal(void *data)
{
external_acl_data *acl = data;
wordlist *result = NULL;
wordlist *arg;
MemBuf mb;
memBufDefInit(&mb);
memBufPrintf(&mb, "%s", acl->def->name);
for (arg = acl->arguments; arg; arg = arg->next) {
memBufPrintf(&mb, " %s", arg->key);
}
wordlistAdd(&result, mb.buf);
memBufClean(&mb);
return result;
}
void
aclParseExternal(void *dataptr)
{
external_acl_data **datap = dataptr;
external_acl_data *data;
char *token;
if (*datap)
self_destruct();
CBDATA_INIT_TYPE_FREECB(external_acl_data, free_external_acl_data);
data = cbdataAlloc(external_acl_data);
token = strtok(NULL, w_space);
if (!token)
self_destruct();
data->def = find_externalAclHelper(token);
cbdataLock(data->def);
if (!data->def)
self_destruct();
while ((token = strtokFile())) {
wordlistAdd(&data->arguments, token);
}
*datap = data;
}
void
parse_externalAclHelper(external_acl ** list)
{
external_acl *a;
char *token;
external_acl_format **p;
CBDATA_INIT_TYPE_FREECB(external_acl, free_external_acl);
CBDATA_INIT_TYPE_FREECB(external_acl_format, free_external_acl_format);
a = cbdataAlloc(external_acl);
a->ttl = DEFAULT_EXTERNAL_ACL_TTL;
a->negative_ttl = -1;
a->children = DEFAULT_EXTERNAL_ACL_CONCURRENCY;
token = strtok(NULL, w_space);
if (!token)
self_destruct();
a->name = xstrdup(token);
token = strtok(NULL, w_space);
/* Parse options */
while (token) {
if (strncmp(token, "ttl=", 4) == 0) {
a->ttl = atoi(token + 4);
} else if (strncmp(token, "negative_ttl=", 13) == 0) {
a->negative_ttl = atoi(token + 13);
} else if (strncmp(token, "children=", 9) == 0) {
a->children = atoi(token + 9);
} else if (strncmp(token, "concurrency=", 12) == 0) {
a->children = atoi(token + 12);
} else if (strncmp(token, "cache=", 6) == 0) {
a->cache_size = atoi(token + 6);
} else {
break;
}
token = strtok(NULL, w_space);
}
if (a->negative_ttl == -1)
a->negative_ttl = a->ttl;
/* Parse format */
p = &a->format;
while (token) {
external_acl_format *format;
/* stop on first non-format token found */
if (*token != '%')
break;
format = cbdataAlloc(external_acl_format);
if (strncmp(token, "%{", 2) == 0) {
/* header format */
char *header, *member, *end;
header = token + 2;
end = strchr(header, '}');
/* cut away the terminating } */
if (end && strlen(end) == 1)
*end = '\0';
else
self_destruct();
member = strchr(header, ':');
if (member) {
/* Split in header and member */
*member++ = '\0';
if (!isalnum(*member))
format->separator = *member++;
else
format->separator = ',';
format->member = xstrdup(member);
format->type = EXT_ACL_HEADER_MEMBER;
} else {
format->type = EXT_ACL_HEADER;
}
format->header = xstrdup(header);
format->header_id = httpHeaderIdByNameDef(header, strlen(header));
if (format->header_id != -1) {
if (member)
format->type = EXT_ACL_HEADER_ID_MEMBER;
else
format->type = EXT_ACL_HEADER_ID;
}
} else if (strcmp(token, "%LOGIN") == 0) {
format->type = EXT_ACL_LOGIN;
a->require_auth = 1;
}
#if USE_IDENT
else if (strcmp(token, "%IDENT") == 0)
format->type = EXT_ACL_IDENT;
#endif
else if (strcmp(token, "%SRC") == 0)
format->type = EXT_ACL_SRC;
else if (strcmp(token, "%DST") == 0)
format->type = EXT_ACL_DST;
else if (strcmp(token, "%PROTO") == 0)
format->type = EXT_ACL_PROTO;
else if (strcmp(token, "%PORT") == 0)
format->type = EXT_ACL_PORT;
else if (strcmp(token, "%METHOD") == 0)
format->type = EXT_ACL_METHOD;
else {
self_destruct();
}
*p = format;
p = &format->next;
token = strtok(NULL, w_space);
}
/* There must be at least one format token */
if (!a->format)
self_destruct();
/* helper */
if (!token)
self_destruct();
wordlistAdd(&a->cmdline, token);
/* arguments */
parse_wordlist(&a->cmdline);
while (*list)
list = &(*list)->next;
*list = a;
}
void
parse_refreshCheckHelper(refresh_check_helper ** ptr)
{
refresh_check_helper *a;
char *token;
refresh_check_format **p;
if (*ptr)
self_destruct();
CBDATA_INIT_TYPE_FREECB(refresh_check_helper, free_refresh_check_helper);
CBDATA_INIT_TYPE_FREECB(refresh_check_format, free_refresh_check_format);
a = cbdataAlloc(refresh_check_helper);
a->children = DEFAULT_REFRESH_CHECK_CHILDREN;
/* Parse options */
while ((token = strtok(NULL, w_space)) != NULL) {
if (strncmp(token, "children=", 9) == 0) {
a->children = atoi(token + 9);
} else if (strncmp(token, "concurrency=", 12) == 0) {
a->concurrency = atoi(token + 12);
} else {
break;
}
}
/* Parse format */
p = &a->format;
while (token) {
refresh_check_format *format;
/* stop on first non-format token found */
if (*token != '%')
break;
format = cbdataAlloc(refresh_check_format);
if (strncmp(token, "%RES{", 5) == 0) {
/* header format */
char *header, *member, *end;
header = token + 5;
end = strchr(header, '}');
/* cut away the terminating } */
if (end && strlen(end) == 1)
*end = '\0';
else
self_destruct();
member = strchr(header, ':');
if (member) {
/* Split in header and member */
*member++ = '\0';
if (!xisalnum(*member))
format->separator = *member++;
else
format->separator = ',';
format->member = xstrdup(member);
format->type = REFRESH_CHECK_RESP_HEADER_MEMBER;
} else {
format->type = REFRESH_CHECK_RESP_HEADER;
}
format->header = xstrdup(header);
format->header_id = httpHeaderIdByNameDef(header, strlen(header));
if (format->header_id != -1) {
if (member)
format->type = REFRESH_CHECK_RESP_HEADER_ID_MEMBER;
else
format->type = REFRESH_CHECK_RESP_HEADER_ID;
}
} else if (strcmp(token, "%URI") == 0)
format->type = REFRESH_CHECK_URI;
else if (strcmp(token, "%URL") == 0)
format->type = REFRESH_CHECK_URI;
else if (strcmp(token, "%CACHE_URI") == 0)
format->type = REFRESH_CHECK_URI;
else if (strcmp(token, "%AGE") == 0)
format->type = REFRESH_CHECK_AGE;
else {
self_destruct();
}
*p = format;
p = &format->next;
token = strtok(NULL, w_space);
}
/* There must be at least one format token */
if (!a->format)
self_destruct();
/* helper */
if (!token)
self_destruct();
wordlistAdd(&a->cmdline, token);
/* arguments */
parse_wordlist(&a->cmdline);
*ptr = a;
}