diff options
Diffstat (limited to '')
-rw-r--r-- | src/nxt_conf.h | 25 | ||||
-rw-r--r-- | src/nxt_conf_validation.c | 232 | ||||
-rw-r--r-- | src/nxt_controller.c | 85 |
3 files changed, 258 insertions, 84 deletions
diff --git a/src/nxt_conf.h b/src/nxt_conf.h index 7d323cdf..d0c898a4 100644 --- a/src/nxt_conf.h +++ b/src/nxt_conf.h @@ -9,13 +9,15 @@ #define _NXT_CONF_INCLUDED_ -#define NXT_CONF_NULL 0x01 -#define NXT_CONF_BOOLEAN 0x02 -#define NXT_CONF_INTEGER 0x04 -#define NXT_CONF_NUMBER 0x08 -#define NXT_CONF_STRING 0x10 -#define NXT_CONF_ARRAY 0x20 -#define NXT_CONF_OBJECT 0x40 +typedef enum { + NXT_CONF_NULL = 0, + NXT_CONF_BOOLEAN, + NXT_CONF_INTEGER, + NXT_CONF_NUMBER, + NXT_CONF_STRING, + NXT_CONF_ARRAY, + NXT_CONF_OBJECT, +} nxt_conf_type_t; typedef struct nxt_conf_value_s nxt_conf_value_t; @@ -57,6 +59,13 @@ typedef struct { } nxt_conf_json_pretty_t; +typedef struct { + nxt_conf_value_t *conf; + nxt_mp_t *pool; + nxt_str_t error; +} nxt_conf_validation_t; + + nxt_uint_t nxt_conf_type(nxt_conf_value_t *value); nxt_conf_value_t *nxt_conf_get_path(nxt_conf_value_t *value, nxt_str_t *path); @@ -88,7 +97,7 @@ u_char *nxt_conf_json_print(u_char *p, nxt_conf_value_t *value, void nxt_conf_json_position(u_char *start, u_char *pos, nxt_uint_t *line, nxt_uint_t *column); -nxt_int_t nxt_conf_validate(nxt_conf_value_t *value); +nxt_int_t nxt_conf_validate(nxt_conf_validation_t *vldt); void nxt_conf_get_string(nxt_conf_value_t *value, nxt_str_t *str); diff --git a/src/nxt_conf_validation.c b/src/nxt_conf_validation.c index d7505cd4..80bfa885 100644 --- a/src/nxt_conf_validation.c +++ b/src/nxt_conf_validation.c @@ -10,35 +10,41 @@ typedef struct { - nxt_str_t name; - nxt_uint_t type; - nxt_int_t (*validator)(nxt_conf_value_t *conf, nxt_conf_value_t *value, - void *data); - void *data; + nxt_str_t name; + nxt_conf_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; -typedef nxt_int_t (*nxt_conf_vldt_member_t)(nxt_conf_value_t *conf, +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_system_t)(nxt_conf_value_t *conf, char *name); +typedef nxt_int_t (*nxt_conf_vldt_system_t)(nxt_conf_validation_t *vldt, + char *name); -static nxt_int_t nxt_conf_vldt_listener(nxt_conf_value_t *conf, nxt_str_t *name, - nxt_conf_value_t *value); -static nxt_int_t nxt_conf_vldt_app_name(nxt_conf_value_t *conf, +static nxt_int_t nxt_conf_vldt_type(nxt_conf_validation_t *vldt, + nxt_str_t *name, nxt_conf_value_t *value, nxt_conf_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); +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_value_t *conf, nxt_str_t *name, - nxt_conf_value_t *value); -static nxt_int_t nxt_conf_vldt_object(nxt_conf_value_t *conf, +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_object_iterator(nxt_conf_value_t *conf, +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_system(nxt_conf_value_t *conf, +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_value_t *conf, char *name); -static nxt_int_t nxt_conf_vldt_group(nxt_conf_value_t *conf, char *name); +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_conf_vldt_object_t nxt_conf_vldt_root_members[] = { @@ -217,26 +223,100 @@ static nxt_conf_vldt_object_t nxt_conf_vldt_go_members[] = { nxt_int_t -nxt_conf_validate(nxt_conf_value_t *value) +nxt_conf_validate(nxt_conf_validation_t *vldt) +{ + nxt_int_t ret; + + ret = nxt_conf_vldt_type(vldt, NULL, vldt->conf, NXT_CONF_OBJECT); + + if (ret != NXT_OK) { + return ret; + } + + return nxt_conf_vldt_object(vldt, vldt->conf, nxt_conf_vldt_root_members); +} + + +static nxt_int_t +nxt_conf_vldt_type(nxt_conf_validation_t *vldt, nxt_str_t *name, + nxt_conf_value_t *value, nxt_conf_type_t type) +{ + nxt_uint_t value_type; + + static const char *type_name[] = { + "a null", + "a boolean", + "an integer", + "a number", + "a string", + "an array", + "an object" + }; + + value_type = nxt_conf_type(value); + + if (value_type == type) { + return NXT_OK; + } + + if (name == NULL) { + return nxt_conf_vldt_error(vldt, + "The configuration must be %s, not %s.", + type_name[type], type_name[value_type]); + } + + return nxt_conf_vldt_error(vldt, + "The \"%V\" value must be %s, not %s.", + name, type_name[type], type_name[value_type]); +} + + +static nxt_int_t +nxt_conf_vldt_error(nxt_conf_validation_t *vldt, const char *fmt, ...) { - if (nxt_conf_type(value) != NXT_CONF_OBJECT) { + 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; } - return nxt_conf_vldt_object(value, value, nxt_conf_vldt_root_members); + 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_value_t *conf, nxt_str_t *name, +nxt_conf_vldt_listener(nxt_conf_validation_t *vldt, nxt_str_t *name, nxt_conf_value_t *value) { - return nxt_conf_vldt_object(conf, value, nxt_conf_vldt_listener_members); + nxt_int_t ret; + + ret = nxt_conf_vldt_type(vldt, name, value, NXT_CONF_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_app_name(nxt_conf_value_t *conf, nxt_conf_value_t *value, +nxt_conf_vldt_app_name(nxt_conf_validation_t *vldt, nxt_conf_value_t *value, void *data) { nxt_str_t name; @@ -244,28 +324,35 @@ nxt_conf_vldt_app_name(nxt_conf_value_t *conf, nxt_conf_value_t *value, static nxt_str_t apps_str = nxt_string("applications"); - apps = nxt_conf_get_object_member(conf, &apps_str, NULL); + nxt_conf_get_string(value, &name); + + apps = nxt_conf_get_object_member(vldt->conf, &apps_str, NULL); if (nxt_slow_path(apps == NULL)) { - return NXT_ERROR; + goto error; } - nxt_conf_get_string(value, &name); - app = nxt_conf_get_object_member(apps, &name, NULL); if (nxt_slow_path(app == NULL)) { - return NXT_ERROR; + 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_value_t *conf, nxt_str_t *name, +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; @@ -279,14 +366,23 @@ nxt_conf_vldt_app(nxt_conf_value_t *conf, nxt_str_t *name, nxt_conf_vldt_go_members, }; + ret = nxt_conf_vldt_type(vldt, name, value, NXT_CONF_OBJECT); + + if (ret != NXT_OK) { + return ret; + } + type_value = nxt_conf_get_object_member(value, &type_str, NULL); - if (nxt_slow_path(type_value == NULL)) { - return NXT_ERROR; + if (type_value == NULL) { + return nxt_conf_vldt_error(vldt, + "Application must have the \"type\" property set."); } - if (nxt_conf_type(type_value) != NXT_CONF_STRING) { - return NXT_ERROR; + ret = nxt_conf_vldt_type(vldt, &type_str, type_value, NXT_CONF_STRING); + + if (ret != NXT_OK) { + return ret; } nxt_conf_get_string(type_value, &type); @@ -295,21 +391,25 @@ nxt_conf_vldt_app(nxt_conf_value_t *conf, nxt_str_t *name, lang = nxt_app_lang_module(thread->runtime, &type); if (lang == NULL) { - return NXT_ERROR; + 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(conf, value, members[lang->type]); + return nxt_conf_vldt_object(vldt, value, members[lang->type]); } static nxt_int_t -nxt_conf_vldt_object(nxt_conf_value_t *conf, nxt_conf_value_t *value, +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 *vldt; + nxt_conf_vldt_object_t *vals; index = 0; @@ -320,26 +420,31 @@ nxt_conf_vldt_object(nxt_conf_value_t *conf, nxt_conf_value_t *value, return NXT_OK; } - vldt = data; + vals = data; for ( ;; ) { - if (vldt->name.length == 0) { - return NXT_ERROR; + if (vals->name.length == 0) { + return nxt_conf_vldt_error(vldt, "Unknown parameter \"%V\".", + &name); } - if (!nxt_strstr_eq(&vldt->name, &name)) { - vldt++; + if (!nxt_strstr_eq(&vals->name, &name)) { + vals++; continue; } - if (nxt_conf_type(member) != vldt->type) { - return NXT_ERROR; + ret = nxt_conf_vldt_type(vldt, &name, member, vals->type); + + if (ret != NXT_OK) { + return ret; } - if (vldt->validator != NULL - && vldt->validator(conf, member, vldt->data) != NXT_OK) - { - return NXT_ERROR; + if (vals->validator != NULL) { + ret = vals->validator(vldt, member, vals->data); + + if (ret != NXT_OK) { + return ret; + } } break; @@ -349,10 +454,11 @@ nxt_conf_vldt_object(nxt_conf_value_t *conf, nxt_conf_value_t *value, static nxt_int_t -nxt_conf_vldt_object_iterator(nxt_conf_value_t *conf, nxt_conf_value_t *value, - void *data) +nxt_conf_vldt_object_iterator(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_member_t validator; @@ -367,24 +473,26 @@ nxt_conf_vldt_object_iterator(nxt_conf_value_t *conf, nxt_conf_value_t *value, return NXT_OK; } - if (validator(conf, &name, member) != NXT_OK) { - return NXT_ERROR; + ret = validator(vldt, &name, member); + + if (ret != NXT_OK) { + return ret; } } } static nxt_int_t -nxt_conf_vldt_system(nxt_conf_value_t *conf, nxt_conf_value_t *value, +nxt_conf_vldt_system(nxt_conf_validation_t *vldt, nxt_conf_value_t *value, void *data) { size_t length; nxt_str_t name; - nxt_conf_vldt_system_t vldt; + nxt_conf_vldt_system_t validator; char string[32]; /* The cast is required by Sun C. */ - vldt = (nxt_conf_vldt_system_t) data; + validator = (nxt_conf_vldt_system_t) data; nxt_conf_get_string(value, &name); @@ -393,12 +501,12 @@ nxt_conf_vldt_system(nxt_conf_value_t *conf, nxt_conf_value_t *value, nxt_cpystrn((u_char *) string, name.start, length); - return vldt(conf, string); + return validator(vldt, string); } static nxt_int_t -nxt_conf_vldt_user(nxt_conf_value_t *conf, char *user) +nxt_conf_vldt_user(nxt_conf_validation_t *vldt, char *user) { struct passwd *pwd; @@ -410,12 +518,16 @@ nxt_conf_vldt_user(nxt_conf_value_t *conf, char *user) return NXT_OK; } + if (nxt_errno == 0) { + return nxt_conf_vldt_error(vldt, "User \"%s\" is not found.", user); + } + return NXT_ERROR; } static nxt_int_t -nxt_conf_vldt_group(nxt_conf_value_t *conf, char *group) +nxt_conf_vldt_group(nxt_conf_validation_t *vldt, char *group) { struct group *grp; @@ -427,5 +539,9 @@ nxt_conf_vldt_group(nxt_conf_value_t *conf, char *group) return NXT_OK; } + if (nxt_errno == 0) { + return nxt_conf_vldt_error(vldt, "Group \"%s\" is not found.", group); + } + return NXT_ERROR; } diff --git a/src/nxt_controller.c b/src/nxt_controller.c index d4d8023e..2c39a40e 100644 --- a/src/nxt_controller.c +++ b/src/nxt_controller.c @@ -31,7 +31,7 @@ typedef struct { nxt_conf_value_t *conf; u_char *title; - u_char *detail; + nxt_str_t detail; ssize_t offset; nxt_uint_t line; nxt_uint_t column; @@ -115,10 +115,12 @@ nxt_int_t nxt_controller_start(nxt_task_t *task, void *data) { nxt_mp_t *mp; + nxt_int_t ret; nxt_str_t *json; nxt_runtime_t *rt; nxt_conf_value_t *conf; nxt_event_engine_t *engine; + nxt_conf_validation_t vldt; nxt_http_fields_hash_t *hash; rt = task->thread->runtime; @@ -162,15 +164,35 @@ nxt_controller_start(nxt_task_t *task, void *data) return NXT_OK; } - if (nxt_slow_path(nxt_conf_validate(conf) != NXT_OK)) { - nxt_log(task, NXT_LOG_ALERT, - "failed to restore previous configuration: " - "invalid configuration"); + nxt_memzero(&vldt, sizeof(nxt_conf_validation_t)); - nxt_mp_destroy(mp); - return NXT_OK; + vldt.pool = nxt_mp_create(1024, 128, 256, 32); + if (nxt_slow_path(vldt.pool == NULL)) { + return NXT_ERROR; } + vldt.conf = conf; + + ret = nxt_conf_validate(&vldt); + + if (nxt_slow_path(ret != NXT_OK)) { + + if (ret == NXT_DECLINED) { + nxt_log(task, NXT_LOG_ALERT, + "the previous configuration is invalid: %V", &vldt.error); + + nxt_mp_destroy(vldt.pool); + nxt_mp_destroy(mp); + + return NXT_OK; + } + + /* ret == NXT_ERROR */ + + return NXT_ERROR; + } + + nxt_mp_destroy(vldt.pool); nxt_controller_conf.root = conf; nxt_controller_conf.pool = mp; @@ -740,6 +762,7 @@ nxt_controller_process_request(nxt_task_t *task, nxt_controller_request_t *req) nxt_buf_mem_t *mbuf; nxt_conf_op_t *ops; nxt_conf_value_t *value; + nxt_conf_validation_t vldt; nxt_conf_json_error_t error; nxt_controller_response_t resp; @@ -797,7 +820,8 @@ nxt_controller_process_request(nxt_task_t *task, nxt_controller_request_t *req) resp.status = 400; resp.title = (u_char *) "Invalid JSON."; - resp.detail = error.detail; + resp.detail.length = nxt_strlen(error.detail); + resp.detail.start = error.detail; resp.offset = error.pos - mbuf->pos; nxt_conf_json_position(mbuf->pos, error.pos, @@ -828,9 +852,23 @@ nxt_controller_process_request(nxt_task_t *task, nxt_controller_request_t *req) } } - if (nxt_slow_path(nxt_conf_validate(value) != NXT_OK)) { + nxt_memzero(&vldt, sizeof(nxt_conf_validation_t)); + + vldt.conf = value; + vldt.pool = c->mem_pool; + + rc = nxt_conf_validate(&vldt); + + if (nxt_slow_path(rc != NXT_OK)) { nxt_mp_destroy(mp); - goto invalid_conf; + + if (rc == NXT_DECLINED) { + resp.detail = vldt.error; + goto invalid_conf; + } + + /* rc == NXT_ERROR */ + goto alloc_fail; } rc = nxt_controller_conf_send(task, value, @@ -898,9 +936,23 @@ nxt_controller_process_request(nxt_task_t *task, nxt_controller_request_t *req) goto alloc_fail; } - if (nxt_slow_path(nxt_conf_validate(value) != NXT_OK)) { + nxt_memzero(&vldt, sizeof(nxt_conf_validation_t)); + + vldt.conf = value; + vldt.pool = c->mem_pool; + + rc = nxt_conf_validate(&vldt); + + if (nxt_slow_path(rc != NXT_OK)) { nxt_mp_destroy(mp); - goto invalid_conf; + + if (rc == NXT_DECLINED) { + resp.detail = vldt.error; + goto invalid_conf; + } + + /* rc == NXT_ERROR */ + goto alloc_fail; } rc = nxt_controller_conf_send(task, value, @@ -1100,7 +1152,7 @@ nxt_controller_response(nxt_task_t *task, nxt_controller_request_t *req, if (value == NULL) { n = 1 - + (resp->detail != NULL) + + (resp->detail.length != 0) + (resp->status >= 400 && resp->offset != -1); value = nxt_conf_create_object(c->mem_pool, n); @@ -1122,13 +1174,10 @@ nxt_controller_response(nxt_task_t *task, nxt_controller_request_t *req, n = 0; - if (resp->detail != NULL) { - str.length = nxt_strlen(resp->detail); - str.start = resp->detail; - + if (resp->detail.length != 0) { n++; - nxt_conf_set_member_string(value, &detail_str, &str, n); + nxt_conf_set_member_string(value, &detail_str, &resp->detail, n); } if (resp->status >= 400 && resp->offset != -1) { |