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nxt_conf_validation.c
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/*
* Copyright (C) Valentin V. Bartenev
* Copyright (C) NGINX, Inc.
*/
#include <nxt_main.h>
#include <nxt_conf.h>
#include <nxt_cert.h>
#include <nxt_router.h>
typedef enum {
NXT_CONF_VLDT_NULL = 1 << NXT_CONF_NULL,
NXT_CONF_VLDT_BOOLEAN = 1 << NXT_CONF_BOOLEAN,
NXT_CONF_VLDT_INTEGER = 1 << NXT_CONF_INTEGER,
NXT_CONF_VLDT_NUMBER = 1 << NXT_CONF_NUMBER,
NXT_CONF_VLDT_STRING = 1 << NXT_CONF_STRING,
NXT_CONF_VLDT_ARRAY = 1 << NXT_CONF_ARRAY,
NXT_CONF_VLDT_OBJECT = 1 << NXT_CONF_OBJECT,
} nxt_conf_vldt_type_t;
typedef struct {
nxt_str_t name;
nxt_conf_vldt_type_t type;
nxt_int_t (*validator)(nxt_conf_validation_t *vldt,
nxt_conf_value_t *value, void *data);
void *data;
} nxt_conf_vldt_object_t;
#define NXT_CONF_VLDT_NEXT(f) { nxt_null_string, 0, NULL, (f) }
#define NXT_CONF_VLDT_END { nxt_null_string, 0, NULL, NULL }
typedef nxt_int_t (*nxt_conf_vldt_member_t)(nxt_conf_validation_t *vldt,
nxt_str_t *name,
nxt_conf_value_t *value);
typedef nxt_int_t (*nxt_conf_vldt_element_t)(nxt_conf_validation_t *vldt,
nxt_conf_value_t *value);
typedef nxt_int_t (*nxt_conf_vldt_system_t)(nxt_conf_validation_t *vldt,
char *name);
static nxt_int_t nxt_conf_vldt_type(nxt_conf_validation_t *vldt,
nxt_str_t *name, nxt_conf_value_t *value, nxt_conf_vldt_type_t type);
static nxt_int_t nxt_conf_vldt_error(nxt_conf_validation_t *vldt,
const char *fmt, ...);
static nxt_int_t nxt_conf_vldt_listener(nxt_conf_validation_t *vldt,
nxt_str_t *name, nxt_conf_value_t *value);
#if (NXT_TLS)
static nxt_int_t nxt_conf_vldt_certificate(nxt_conf_validation_t *vldt,
nxt_conf_value_t *value, void *data);
#endif
static nxt_int_t nxt_conf_vldt_pass(nxt_conf_validation_t *vldt,
nxt_conf_value_t *value, void *data);
static nxt_int_t nxt_conf_vldt_routes(nxt_conf_validation_t *vldt,
nxt_conf_value_t *value, void *data);
static nxt_int_t nxt_conf_vldt_routes_member(nxt_conf_validation_t *vldt,
nxt_str_t *name, nxt_conf_value_t *value);
static nxt_int_t nxt_conf_vldt_route(nxt_conf_validation_t *vldt,
nxt_conf_value_t *value);
static nxt_int_t nxt_conf_vldt_match_patterns(nxt_conf_validation_t *vldt,
nxt_conf_value_t *value, void *data);
static nxt_int_t nxt_conf_vldt_match_pattern(nxt_conf_validation_t *vldt,
nxt_conf_value_t *value);
static nxt_int_t nxt_conf_vldt_app_name(nxt_conf_validation_t *vldt,
nxt_conf_value_t *value, void *data);
static nxt_int_t nxt_conf_vldt_app(nxt_conf_validation_t *vldt,
nxt_str_t *name, nxt_conf_value_t *value);
static nxt_int_t nxt_conf_vldt_object(nxt_conf_validation_t *vldt,
nxt_conf_value_t *value, void *data);
static nxt_int_t nxt_conf_vldt_processes(nxt_conf_validation_t *vldt,
nxt_conf_value_t *value, void *data);
static nxt_int_t nxt_conf_vldt_object_iterator(nxt_conf_validation_t *vldt,
nxt_conf_value_t *value, void *data);
static nxt_int_t nxt_conf_vldt_array_iterator(nxt_conf_validation_t *vldt,
nxt_conf_value_t *value, void *data);
static nxt_int_t nxt_conf_vldt_system(nxt_conf_validation_t *vldt,
nxt_conf_value_t *value, void *data);
static nxt_int_t nxt_conf_vldt_user(nxt_conf_validation_t *vldt, char *name);
static nxt_int_t nxt_conf_vldt_group(nxt_conf_validation_t *vldt, char *name);
static nxt_int_t nxt_conf_vldt_environment(nxt_conf_validation_t *vldt,
nxt_str_t *name, nxt_conf_value_t *value);
static nxt_int_t nxt_conf_vldt_argument(nxt_conf_validation_t *vldt,
nxt_conf_value_t *value);
static nxt_int_t nxt_conf_vldt_php_option(nxt_conf_validation_t *vldt,
nxt_str_t *name, nxt_conf_value_t *value);
static nxt_int_t nxt_conf_vldt_java_classpath(nxt_conf_validation_t *vldt,
nxt_conf_value_t *value);
static nxt_int_t nxt_conf_vldt_java_option(nxt_conf_validation_t *vldt,
nxt_conf_value_t *value);
static nxt_conf_vldt_object_t nxt_conf_vldt_http_members[] = {
{ nxt_string("header_read_timeout"),
NXT_CONF_VLDT_INTEGER,
NULL,
NULL },
{ nxt_string("body_read_timeout"),
NXT_CONF_VLDT_INTEGER,
NULL,
NULL },
{ nxt_string("send_timeout"),
NXT_CONF_VLDT_INTEGER,
NULL,
NULL },
{ nxt_string("idle_timeout"),
NXT_CONF_VLDT_INTEGER,
NULL,
NULL },
{ nxt_string("max_body_size"),
NXT_CONF_VLDT_INTEGER,
NULL,
NULL },
NXT_CONF_VLDT_END
};
static nxt_conf_vldt_object_t nxt_conf_vldt_setting_members[] = {
{ nxt_string("http"),
NXT_CONF_VLDT_OBJECT,
&nxt_conf_vldt_object,
(void *) &nxt_conf_vldt_http_members },
NXT_CONF_VLDT_END
};
static nxt_conf_vldt_object_t nxt_conf_vldt_root_members[] = {
{ nxt_string("settings"),
NXT_CONF_VLDT_OBJECT,
&nxt_conf_vldt_object,
(void *) &nxt_conf_vldt_setting_members },
{ nxt_string("listeners"),
NXT_CONF_VLDT_OBJECT,
&nxt_conf_vldt_object_iterator,
(void *) &nxt_conf_vldt_listener },
{ nxt_string("routes"),
NXT_CONF_VLDT_ARRAY | NXT_CONF_VLDT_OBJECT,
&nxt_conf_vldt_routes,
NULL },
{ nxt_string("applications"),
NXT_CONF_VLDT_OBJECT,
&nxt_conf_vldt_object_iterator,
(void *) &nxt_conf_vldt_app },
{ nxt_string("access_log"),
NXT_CONF_VLDT_STRING,
NULL,
NULL },
NXT_CONF_VLDT_END
};
#if (NXT_TLS)
static nxt_conf_vldt_object_t nxt_conf_vldt_tls_members[] = {
{ nxt_string("certificate"),
NXT_CONF_VLDT_STRING,
&nxt_conf_vldt_certificate,
NULL },
NXT_CONF_VLDT_END
};
#endif
static nxt_conf_vldt_object_t nxt_conf_vldt_listener_members[] = {
{ nxt_string("pass"),
NXT_CONF_VLDT_STRING,
&nxt_conf_vldt_pass,
NULL },
{ nxt_string("application"),
NXT_CONF_VLDT_STRING,
&nxt_conf_vldt_app_name,
NULL },
#if (NXT_TLS)
{ nxt_string("tls"),
NXT_CONF_VLDT_OBJECT,
&nxt_conf_vldt_object,
(void *) &nxt_conf_vldt_tls_members },
#endif
NXT_CONF_VLDT_END
};
static nxt_conf_vldt_object_t nxt_conf_vldt_match_members[] = {
{ nxt_string("method"),
NXT_CONF_VLDT_STRING | NXT_CONF_VLDT_ARRAY,
&nxt_conf_vldt_match_patterns,
NULL },
{ nxt_string("host"),
NXT_CONF_VLDT_STRING | NXT_CONF_VLDT_ARRAY,
&nxt_conf_vldt_match_patterns,
NULL },
{ nxt_string("uri"),
NXT_CONF_VLDT_STRING | NXT_CONF_VLDT_ARRAY,
&nxt_conf_vldt_match_patterns,
NULL },
NXT_CONF_VLDT_END
};
static nxt_conf_vldt_object_t nxt_conf_vldt_action_members[] = {
{ nxt_string("pass"),
NXT_CONF_VLDT_STRING,
&nxt_conf_vldt_pass,
NULL },
NXT_CONF_VLDT_END
};
static nxt_conf_vldt_object_t nxt_conf_vldt_route_members[] = {
{ nxt_string("match"),
NXT_CONF_VLDT_OBJECT,
&nxt_conf_vldt_object,
(void *) &nxt_conf_vldt_match_members },
{ nxt_string("action"),
NXT_CONF_VLDT_OBJECT,
&nxt_conf_vldt_object,
(void *) &nxt_conf_vldt_action_members },
NXT_CONF_VLDT_END
};
static nxt_conf_vldt_object_t nxt_conf_vldt_app_limits_members[] = {
{ nxt_string("timeout"),
NXT_CONF_VLDT_INTEGER,
NULL,
NULL },
{ nxt_string("reschedule_timeout"),
NXT_CONF_VLDT_INTEGER,
NULL,
NULL },
{ nxt_string("requests"),
NXT_CONF_VLDT_INTEGER,
NULL,
NULL },
NXT_CONF_VLDT_END
};
static nxt_conf_vldt_object_t nxt_conf_vldt_app_processes_members[] = {
{ nxt_string("spare"),
NXT_CONF_VLDT_INTEGER,
NULL,
NULL },
{ nxt_string("max"),
NXT_CONF_VLDT_INTEGER,
NULL,
NULL },
{ nxt_string("idle_timeout"),
NXT_CONF_VLDT_INTEGER,
NULL,
NULL },
NXT_CONF_VLDT_END
};
static nxt_conf_vldt_object_t nxt_conf_vldt_common_members[] = {
{ nxt_string("type"),
NXT_CONF_VLDT_STRING,
NULL,
NULL },
{ nxt_string("limits"),
NXT_CONF_VLDT_OBJECT,
&nxt_conf_vldt_object,
(void *) &nxt_conf_vldt_app_limits_members },
{ nxt_string("processes"),
NXT_CONF_VLDT_INTEGER | NXT_CONF_VLDT_OBJECT,
&nxt_conf_vldt_processes,
(void *) &nxt_conf_vldt_app_processes_members },
{ nxt_string("user"),
NXT_CONF_VLDT_STRING,
nxt_conf_vldt_system,
(void *) &nxt_conf_vldt_user },
{ nxt_string("group"),
NXT_CONF_VLDT_STRING,
nxt_conf_vldt_system,
(void *) &nxt_conf_vldt_group },
{ nxt_string("working_directory"),
NXT_CONF_VLDT_STRING,
NULL,
NULL },
{ nxt_string("environment"),
NXT_CONF_VLDT_OBJECT,
&nxt_conf_vldt_object_iterator,
(void *) &nxt_conf_vldt_environment },
NXT_CONF_VLDT_END
};
static nxt_conf_vldt_object_t nxt_conf_vldt_external_members[] = {
{ nxt_string("executable"),
NXT_CONF_VLDT_STRING,
NULL,
NULL },
{ nxt_string("arguments"),
NXT_CONF_VLDT_ARRAY,
&nxt_conf_vldt_array_iterator,
(void *) &nxt_conf_vldt_argument },
NXT_CONF_VLDT_NEXT(&nxt_conf_vldt_common_members)
};
static nxt_conf_vldt_object_t nxt_conf_vldt_python_members[] = {
{ nxt_string("home"),
NXT_CONF_VLDT_STRING,
NULL,
NULL },
{ nxt_string("path"),
NXT_CONF_VLDT_STRING,
NULL,
NULL },
{ nxt_string("module"),
NXT_CONF_VLDT_STRING,
NULL,
NULL },
NXT_CONF_VLDT_NEXT(&nxt_conf_vldt_common_members)
};
static nxt_conf_vldt_object_t nxt_conf_vldt_php_options_members[] = {
{ nxt_string("file"),
NXT_CONF_VLDT_STRING,
NULL,
NULL },
{ nxt_string("admin"),
NXT_CONF_VLDT_OBJECT,
&nxt_conf_vldt_object_iterator,
(void *) &nxt_conf_vldt_php_option },
{ nxt_string("user"),
NXT_CONF_VLDT_OBJECT,
&nxt_conf_vldt_object_iterator,
(void *) &nxt_conf_vldt_php_option },
NXT_CONF_VLDT_END
};
static nxt_conf_vldt_object_t nxt_conf_vldt_php_members[] = {
{ nxt_string("root"),
NXT_CONF_VLDT_STRING,
NULL,
NULL },
{ nxt_string("script"),
NXT_CONF_VLDT_STRING,
NULL,
NULL },
{ nxt_string("index"),
NXT_CONF_VLDT_STRING,
NULL,
NULL },
{ nxt_string("options"),
NXT_CONF_VLDT_OBJECT,
&nxt_conf_vldt_object,
(void *) &nxt_conf_vldt_php_options_members },
NXT_CONF_VLDT_NEXT(&nxt_conf_vldt_common_members)
};
static nxt_conf_vldt_object_t nxt_conf_vldt_perl_members[] = {
{ nxt_string("script"),
NXT_CONF_VLDT_STRING,
NULL,
NULL },
NXT_CONF_VLDT_NEXT(&nxt_conf_vldt_common_members)
};
static nxt_conf_vldt_object_t nxt_conf_vldt_ruby_members[] = {
{ nxt_string("script"),
NXT_CONF_VLDT_STRING,
NULL,
NULL },
NXT_CONF_VLDT_NEXT(&nxt_conf_vldt_common_members)
};
static nxt_conf_vldt_object_t nxt_conf_vldt_java_members[] = {
{ nxt_string("classpath"),
NXT_CONF_VLDT_ARRAY,
&nxt_conf_vldt_array_iterator,
(void *) &nxt_conf_vldt_java_classpath},
{ nxt_string("webapp"),
NXT_CONF_VLDT_STRING,
NULL,
NULL },
{ nxt_string("options"),
NXT_CONF_VLDT_ARRAY,
&nxt_conf_vldt_array_iterator,
(void *) &nxt_conf_vldt_java_option},
{ nxt_string("unit_jars"),
NXT_CONF_VLDT_STRING,
NULL,
NULL },
NXT_CONF_VLDT_NEXT(&nxt_conf_vldt_common_members)
};
nxt_int_t
nxt_conf_validate(nxt_conf_validation_t *vldt)
{
nxt_int_t ret;
ret = nxt_conf_vldt_type(vldt, NULL, vldt->conf, NXT_CONF_VLDT_OBJECT);
if (ret != NXT_OK) {
return ret;
}
return nxt_conf_vldt_object(vldt, vldt->conf, nxt_conf_vldt_root_members);
}
#define NXT_CONF_VLDT_ANY_TYPE \
"either a null, a boolean, an integer, " \
"a number, a string, an array, or an object"
static nxt_int_t
nxt_conf_vldt_type(nxt_conf_validation_t *vldt, nxt_str_t *name,
nxt_conf_value_t *value, nxt_conf_vldt_type_t type)
{
u_char *p;
nxt_str_t expected;
nxt_bool_t serial;
nxt_uint_t value_type, n, t;
u_char buf[nxt_length(NXT_CONF_VLDT_ANY_TYPE)];
static nxt_str_t type_name[] = {
nxt_string("a null"),
nxt_string("a boolean"),
nxt_string("an integer"),
nxt_string("a number"),
nxt_string("a string"),
nxt_string("an array"),
nxt_string("an object"),
};
value_type = nxt_conf_type(value);
if ((1 << value_type) & type) {
return NXT_OK;
}
p = buf;
n = nxt_popcount(type);
if (n > 1) {
p = nxt_cpymem(p, "either ", 7);
}
serial = (n > 2);
for ( ;; ) {
t = __builtin_ffs(type) - 1;
p = nxt_cpymem(p, type_name[t].start, type_name[t].length);
n--;
if (n == 0) {
break;
}
if (n > 1 || serial) {
*p++ = ',';
}
if (n == 1) {
p = nxt_cpymem(p, " or", 3);
}
*p++ = ' ';
type = type & ~(1 << t);
}
expected.length = p - buf;
expected.start = buf;
if (name == NULL) {
return nxt_conf_vldt_error(vldt,
"The configuration must be %V, but not %V.",
&expected, &type_name[value_type]);
}
return nxt_conf_vldt_error(vldt,
"The \"%V\" value must be %V, but not %V.",
name, &expected, &type_name[value_type]);
}
static nxt_int_t
nxt_conf_vldt_error(nxt_conf_validation_t *vldt, const char *fmt, ...)
{
u_char *p, *end;
size_t size;
va_list args;
u_char error[NXT_MAX_ERROR_STR];
va_start(args, fmt);
end = nxt_vsprintf(error, error + NXT_MAX_ERROR_STR, fmt, args);
va_end(args);
size = end - error;
p = nxt_mp_nget(vldt->pool, size);
if (p == NULL) {
return NXT_ERROR;
}
nxt_memcpy(p, error, size);
vldt->error.length = size;
vldt->error.start = p;
return NXT_DECLINED;
}
static nxt_int_t
nxt_conf_vldt_listener(nxt_conf_validation_t *vldt, nxt_str_t *name,
nxt_conf_value_t *value)
{
nxt_int_t ret;
ret = nxt_conf_vldt_type(vldt, name, value, NXT_CONF_VLDT_OBJECT);
if (ret != NXT_OK) {
return ret;
}
return nxt_conf_vldt_object(vldt, value, nxt_conf_vldt_listener_members);
}
static nxt_int_t
nxt_conf_vldt_pass(nxt_conf_validation_t *vldt, nxt_conf_value_t *value,
void *data)
{
u_char *p;
nxt_str_t pass, first, second;
nxt_conf_get_string(value, &pass);
p = nxt_memchr(pass.start, '/', pass.length);
if (p != NULL) {
first.length = p - pass.start;
first.start = pass.start;
if (pass.length - first.length == 1) {
goto error;
}
second.length = pass.length - first.length - 1;
second.start = p + 1;
} else {
first = pass;
second.length = 0;
}
if (nxt_str_eq(&first, "applications", 12)) {
if (second.length == 0) {
goto error;
}
value = nxt_conf_get_object_member(vldt->conf, &first, NULL);
if (nxt_slow_path(value == NULL)) {
goto error;
}
value = nxt_conf_get_object_member(value, &second, NULL);
if (nxt_slow_path(value == NULL)) {
goto error;
}
return NXT_OK;
}
if (nxt_str_eq(&first, "routes", 6)) {
value = nxt_conf_get_object_member(vldt->conf, &first, NULL);
if (nxt_slow_path(value == NULL)) {
goto error;
}
if (second.length == 0) {
if (nxt_conf_type(value) != NXT_CONF_ARRAY) {
goto error;
}
return NXT_OK;
}
if (nxt_conf_type(value) != NXT_CONF_OBJECT) {
goto error;
}
value = nxt_conf_get_object_member(value, &second, NULL);
if (nxt_slow_path(value == NULL)) {
goto error;
}
return NXT_OK;
}
error:
return nxt_conf_vldt_error(vldt, "Request \"pass\" points to invalid "
"location \"%V\".", &pass);
}
static nxt_int_t
nxt_conf_vldt_routes(nxt_conf_validation_t *vldt, nxt_conf_value_t *value,
void *data)
{
if (nxt_conf_type(value) == NXT_CONF_ARRAY) {
return nxt_conf_vldt_array_iterator(vldt, value,
&nxt_conf_vldt_route);
}
/* NXT_CONF_OBJECT */
return nxt_conf_vldt_object_iterator(vldt, value,
&nxt_conf_vldt_routes_member);
}
static nxt_int_t
nxt_conf_vldt_routes_member(nxt_conf_validation_t *vldt, nxt_str_t *name,
nxt_conf_value_t *value)
{
nxt_int_t ret;
ret = nxt_conf_vldt_type(vldt, name, value, NXT_CONF_VLDT_ARRAY);
if (ret != NXT_OK) {
return ret;
}
return nxt_conf_vldt_array_iterator(vldt, value, &nxt_conf_vldt_route);
}
static nxt_int_t
nxt_conf_vldt_route(nxt_conf_validation_t *vldt, nxt_conf_value_t *value)
{
if (nxt_conf_type(value) != NXT_CONF_OBJECT) {
return nxt_conf_vldt_error(vldt, "The \"routes\" array must contain "
"only object values.");
}
return nxt_conf_vldt_object(vldt, value, nxt_conf_vldt_route_members);
}
static nxt_int_t
nxt_conf_vldt_match_patterns(nxt_conf_validation_t *vldt,
nxt_conf_value_t *value, void *data)
{
if (nxt_conf_type(value) == NXT_CONF_ARRAY) {
return nxt_conf_vldt_array_iterator(vldt, value,
&nxt_conf_vldt_match_pattern);
}
/* NXT_CONF_STRING */
return nxt_conf_vldt_match_pattern(vldt, value);
}
static nxt_int_t
nxt_conf_vldt_match_pattern(nxt_conf_validation_t *vldt,
nxt_conf_value_t *value)
{
u_char ch;
nxt_str_t pattern;
nxt_uint_t i, first, last;
if (nxt_conf_type(value) != NXT_CONF_STRING) {
return nxt_conf_vldt_error(vldt,
"The \"match\" patterns must be strings.");
}
nxt_conf_get_string(value, &pattern);
if (pattern.length == 0) {
return NXT_OK;
}
first = (pattern.start[0] == '!');
last = pattern.length - 1;
for (i = first; i != pattern.length; i++) {
ch = pattern.start[i];
if (ch != '*') {
continue;
}
if (i != first && i != last) {
return nxt_conf_vldt_error(vldt, "The \"match\" patterns can only "
"contain \"*\" markers at the sides.");
}
}
return NXT_OK;
}
#if (NXT_TLS)
static nxt_int_t
nxt_conf_vldt_certificate(nxt_conf_validation_t *vldt, nxt_conf_value_t *value,
void *data)
{
nxt_str_t name;
nxt_conf_value_t *cert;
nxt_conf_get_string(value, &name);
cert = nxt_cert_info_get(&name);
if (cert == NULL) {
return nxt_conf_vldt_error(vldt, "Certificate \"%V\" is not found.",
&name);
}
return NXT_OK;
}
#endif
static nxt_int_t
nxt_conf_vldt_app_name(nxt_conf_validation_t *vldt, nxt_conf_value_t *value,
void *data)
{
nxt_str_t name;
nxt_conf_value_t *apps, *app;
static nxt_str_t apps_str = nxt_string("applications");
nxt_conf_get_string(value, &name);
apps = nxt_conf_get_object_member(vldt->conf, &apps_str, NULL);
if (nxt_slow_path(apps == NULL)) {
goto error;
}
app = nxt_conf_get_object_member(apps, &name, NULL);
if (nxt_slow_path(app == NULL)) {
goto error;
}
return NXT_OK;
error:
return nxt_conf_vldt_error(vldt, "Listening socket is assigned for "
"a non existing application \"%V\".",
&name);
}
static nxt_int_t
nxt_conf_vldt_app(nxt_conf_validation_t *vldt, nxt_str_t *name,
nxt_conf_value_t *value)
{
nxt_int_t ret;
nxt_str_t type;
nxt_thread_t *thread;
nxt_conf_value_t *type_value;
nxt_app_lang_module_t *lang;
static nxt_str_t type_str = nxt_string("type");
static void *members[] = {
nxt_conf_vldt_external_members,
nxt_conf_vldt_python_members,
nxt_conf_vldt_php_members,
nxt_conf_vldt_perl_members,
nxt_conf_vldt_ruby_members,
nxt_conf_vldt_java_members,
};
ret = nxt_conf_vldt_type(vldt, name, value, NXT_CONF_VLDT_OBJECT);
if (ret != NXT_OK) {
return ret;
}
type_value = nxt_conf_get_object_member(value, &type_str, NULL);
if (type_value == NULL) {
return nxt_conf_vldt_error(vldt,
"Application must have the \"type\" property set.");
}
ret = nxt_conf_vldt_type(vldt, &type_str, type_value, NXT_CONF_VLDT_STRING);
if (ret != NXT_OK) {
return ret;
}
nxt_conf_get_string(type_value, &type);
thread = nxt_thread();
lang = nxt_app_lang_module(thread->runtime, &type);
if (lang == NULL) {
return nxt_conf_vldt_error(vldt,
"The module to run \"%V\" is not found "
"among the available application modules.",
&type);
}
return nxt_conf_vldt_object(vldt, value, members[lang->type]);
}
static nxt_int_t
nxt_conf_vldt_object(nxt_conf_validation_t *vldt, nxt_conf_value_t *value,
void *data)
{
uint32_t index;
nxt_int_t ret;
nxt_str_t name;
nxt_conf_value_t *member;
nxt_conf_vldt_object_t *vals;
index = 0;
for ( ;; ) {
member = nxt_conf_next_object_member(value, &name, &index);
if (member == NULL) {
return NXT_OK;
}
vals = data;
for ( ;; ) {
if (vals->name.length == 0) {
if (vals->data != NULL) {
vals = vals->data;
continue;
}
return nxt_conf_vldt_error(vldt, "Unknown parameter \"%V\".",
&name);
}
if (!nxt_strstr_eq(&vals->name, &name)) {
vals++;
continue;
}
ret = nxt_conf_vldt_type(vldt, &name, member, vals->type);
if (ret != NXT_OK) {
return ret;
}
if (vals->validator != NULL) {
ret = vals->validator(vldt, member, vals->data);
if (ret != NXT_OK) {
return ret;
}
}
break;
}
}
}
typedef struct {
int64_t spare;
int64_t max;
int64_t idle_timeout;
} nxt_conf_vldt_processes_conf_t;
static nxt_conf_map_t nxt_conf_vldt_processes_conf_map[] = {
{
nxt_string("spare"),
NXT_CONF_MAP_INT64,
offsetof(nxt_conf_vldt_processes_conf_t, spare),
},
{
nxt_string("max"),
NXT_CONF_MAP_INT64,
offsetof(nxt_conf_vldt_processes_conf_t, max),
},
{
nxt_string("idle_timeout"),
NXT_CONF_MAP_INT64,
offsetof(nxt_conf_vldt_processes_conf_t, idle_timeout),
},
};
static nxt_int_t
nxt_conf_vldt_processes(nxt_conf_validation_t *vldt, nxt_conf_value_t *value,
void *data)
{
int64_t int_value;
nxt_int_t ret;
nxt_conf_vldt_processes_conf_t proc;
if (nxt_conf_type(value) == NXT_CONF_INTEGER) {
int_value = nxt_conf_get_integer(value);
if (int_value < 1) {
return nxt_conf_vldt_error(vldt, "The \"processes\" number must be "
"equal to or greater than 1.");
}
if (int_value > NXT_INT32_T_MAX) {
return nxt_conf_vldt_error(vldt, "The \"processes\" number must "
"not exceed %d.", NXT_INT32_T_MAX);
}
return NXT_OK;
}
ret = nxt_conf_vldt_object(vldt, value, data);
if (ret != NXT_OK) {
return ret;