static char *
ngx_http_limit_traffic_rate_zone(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ssize_t n;
ngx_str_t *value;
ngx_shm_zone_t *shm_zone;
ngx_http_limit_traffic_rate_filter_ctx_t *ctx;
value = cf->args->elts;
if (value[2].data[0] != '$') {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid variable name \"%V\"", &value[2]);
return NGX_CONF_ERROR;
}
value[2].len--;
value[2].data++;
ctx = ngx_pcalloc(cf->pool, sizeof(ngx_http_limit_traffic_rate_filter_ctx_t));
if (ctx == NULL) {
return NGX_CONF_ERROR;
}
ctx->index = ngx_http_get_variable_index(cf, &value[2]);
if (ctx->index == NGX_ERROR) {
return NGX_CONF_ERROR;
}
ctx->var = value[2];
n = ngx_parse_size(&value[3]);
if (n == NGX_ERROR) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid size of limit_traffic_rate_zone \"%V\"", &value[3]);
return NGX_CONF_ERROR;
}
if (n < (ngx_int_t) (8 * ngx_pagesize)) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"limit_traffic_rate_zone \"%V\" is too small", &value[1]);
return NGX_CONF_ERROR;
}
shm_zone = ngx_shared_memory_add(cf, &value[1], n,
&ngx_http_limit_traffic_rate_filter_module);
if (shm_zone == NULL) {
return NGX_CONF_ERROR;
}
if (shm_zone->data) {
ctx = shm_zone->data;
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"limit_traffic_rate_zone \"%V\" is already bound to variable \"%V\"",
&value[1], &ctx->var);
return NGX_CONF_ERROR;
}
shm_zone->init = ngx_http_limit_traffic_rate_filter_init_zone;
shm_zone->data = ctx;
return NGX_CONF_OK;
}
static char *
ngx_http_limit_req_zone(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
u_char *p;
size_t len;
ssize_t size;
ngx_str_t *value, name, s;
ngx_int_t rate, scale;
ngx_uint_t i;
ngx_shm_zone_t *shm_zone;
ngx_http_limit_req_ctx_t *ctx;
ngx_http_compile_complex_value_t ccv;
#if (T_LIMIT_REQ_RATE_VAR)
ngx_http_limit_req_variable_t rate_var;
#endif
value = cf->args->elts;
ctx = ngx_pcalloc(cf->pool, sizeof(ngx_http_limit_req_ctx_t));
if (ctx == NULL) {
return NGX_CONF_ERROR;
}
#if (T_LIMIT_REQ)
{
u_char *p;
size_t len;
ngx_str_t v1;
len = 0;
for (i = 1; i < cf->args->nelts; i++) {
if (i == 1 || value[i].data[0] == '$') {
len += value[i].len;
}
break;
}
p = ngx_palloc(cf->pool, len);
if (p == NULL) {
return NGX_CONF_ERROR;
}
v1.len = len;
v1.data = p;
for (i = 1; i < cf->args->nelts; i++) {
if (i == 1 || value[i].data[0] == '$') {
p = ngx_cpymem(p, value[i].data, value[i].len);
}
break;
}
ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t));
ccv.cf = cf;
ccv.value = &v1;
ccv.complex_value = &ctx->key;
if (ngx_http_compile_complex_value(&ccv) != NGX_OK) {
return NGX_CONF_ERROR;
}
}
#else
ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t));
ccv.cf = cf;
ccv.value = &value[1];
ccv.complex_value = &ctx->key;
if (ngx_http_compile_complex_value(&ccv) != NGX_OK) {
return NGX_CONF_ERROR;
}
#endif
size = 0;
rate = 1;
scale = 1;
name.len = 0;
#if (T_LIMIT_REQ_RATE_VAR)
memset(&rate_var, 0x0, sizeof(rate_var));
#endif
for (i = 2; i < cf->args->nelts; i++) {
if (ngx_strncmp(value[i].data, "zone=", 5) == 0) {
name.data = value[i].data + 5;
p = (u_char *) ngx_strchr(name.data, ':');
if (p == NULL) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid zone size \"%V\"", &value[i]);
return NGX_CONF_ERROR;
}
name.len = p - name.data;
s.data = p + 1;
s.len = value[i].data + value[i].len - s.data;
size = ngx_parse_size(&s);
if (size == NGX_ERROR) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid zone size \"%V\"", &value[i]);
return NGX_CONF_ERROR;
}
if (size < (ssize_t) (8 * ngx_pagesize)) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"zone \"%V\" is too small", &value[i]);
return NGX_CONF_ERROR;
}
continue;
}
if (ngx_strncmp(value[i].data, "rate=", 5) == 0) {
#if (T_LIMIT_REQ_RATE_VAR)
if (value[i].data[5] == '$') {
value[i].data += 6;
value[i].len -= 6;
rate_var.index = ngx_http_get_variable_index(cf, &value[i]);
if (rate_var.index == NGX_ERROR) {
return NGX_CONF_ERROR;
}
rate_var.var = value[i];
continue;
}
#endif
len = value[i].len;
p = value[i].data + len - 3;
if (ngx_strncmp(p, "r/s", 3) == 0) {
scale = 1;
len -= 3;
} else if (ngx_strncmp(p, "r/m", 3) == 0) {
scale = 60;
len -= 3;
}
rate = ngx_atoi(value[i].data + 5, len - 5);
if (rate <= 0) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid rate \"%V\"", &value[i]);
return NGX_CONF_ERROR;
}
continue;
}
#if (T_LIMIT_REQ)
if (value[i].data[0] == '$') {
continue;
}
#endif
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid parameter \"%V\"", &value[i]);
return NGX_CONF_ERROR;
}
if (name.len == 0) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"\"%V\" must have \"zone\" parameter",
&cmd->name);
return NGX_CONF_ERROR;
}
ctx->rate = rate * 1000 / scale;
#if (T_LIMIT_REQ_RATE_VAR)
ctx->rate_var = rate_var;
#endif
shm_zone = ngx_shared_memory_add(cf, &name, size,
&ngx_http_limit_req_module);
if (shm_zone == NULL) {
return NGX_CONF_ERROR;
}
if (shm_zone->data) {
ctx = shm_zone->data;
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"%V \"%V\" is already bound to key \"%V\"",
&cmd->name, &name, &ctx->key.value);
return NGX_CONF_ERROR;
}
shm_zone->init = ngx_http_limit_req_init_zone;
shm_zone->data = ctx;
return NGX_CONF_OK;
}
static char *
ngx_mail_ssl_session_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_mail_ssl_conf_t *scf = conf;
size_t len;
ngx_str_t *value, name, size;
ngx_int_t n;
ngx_uint_t i, j;
value = cf->args->elts;
for (i = 1; i < cf->args->nelts; i++) {
if (ngx_strcmp(value[i].data, "off") == 0) {
scf->builtin_session_cache = NGX_SSL_NO_SCACHE;
continue;
}
if (ngx_strcmp(value[i].data, "none") == 0) {
scf->builtin_session_cache = NGX_SSL_NONE_SCACHE;
continue;
}
if (ngx_strcmp(value[i].data, "builtin") == 0) {
scf->builtin_session_cache = NGX_SSL_DFLT_BUILTIN_SCACHE;
continue;
}
if (value[i].len > sizeof("builtin:") - 1
&& ngx_strncmp(value[i].data, "builtin:", sizeof("builtin:") - 1)
== 0)
{
n = ngx_atoi(value[i].data + sizeof("builtin:") - 1,
value[i].len - (sizeof("builtin:") - 1));
if (n == NGX_ERROR) {
goto invalid;
}
scf->builtin_session_cache = n;
continue;
}
if (value[i].len > sizeof("shared:") - 1
&& ngx_strncmp(value[i].data, "shared:", sizeof("shared:") - 1)
== 0)
{
len = 0;
for (j = sizeof("shared:") - 1; j < value[i].len; j++) {
if (value[i].data[j] == ':') {
break;
}
len++;
}
if (len == 0) {
goto invalid;
}
name.len = len;
name.data = value[i].data + sizeof("shared:") - 1;
size.len = value[i].len - j - 1;
size.data = name.data + len + 1;
n = ngx_parse_size(&size);
if (n == NGX_ERROR) {
goto invalid;
}
if (n < (ngx_int_t) (8 * ngx_pagesize)) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"session cache \"%V\" is too small",
&value[i]);
return NGX_CONF_ERROR;
}
scf->shm_zone = ngx_shared_memory_add(cf, &name, n,
&ngx_mail_ssl_module);
if (scf->shm_zone == NULL) {
return NGX_CONF_ERROR;
}
continue;
}
goto invalid;
}
if (scf->shm_zone && scf->builtin_session_cache == NGX_CONF_UNSET) {
scf->builtin_session_cache = NGX_SSL_NO_BUILTIN_SCACHE;
}
return NGX_CONF_OK;
invalid:
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid session cache \"%V\"", &value[i]);
return NGX_CONF_ERROR;
}
static char *
ngx_http_limit_req_zone(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
u_char *p;
size_t size, len;
ngx_str_t *value, name, s;
ngx_int_t rate, scale;
ngx_uint_t i;
ngx_shm_zone_t *shm_zone;
ngx_http_limit_req_ctx_t *ctx;
value = cf->args->elts;
ctx = NULL;
size = 0;
rate = 1;
scale = 1;
name.len = 0;
for (i = 1; i < cf->args->nelts; i++) {
if (ngx_strncmp(value[i].data, "zone=", 5) == 0) {
name.data = value[i].data + 5;
p = (u_char *) ngx_strchr(name.data, ':');
if (p) {
*p = '\0';
name.len = p - name.data;
p++;
s.len = value[i].data + value[i].len - p;
s.data = p;
size = ngx_parse_size(&s);
if (size > 8191) {
continue;
}
}
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid zone size \"%V\"", &value[i]);
return NGX_CONF_ERROR;
}
if (ngx_strncmp(value[i].data, "rate=", 5) == 0) {
len = value[i].len;
p = value[i].data + len - 3;
if (ngx_strncmp(p, "r/s", 3) == 0) {
scale = 1;
len -= 3;
} else if (ngx_strncmp(p, "r/m", 3) == 0) {
scale = 60;
len -= 3;
}
rate = ngx_atoi(value[i].data + 5, len - 5);
if (rate <= NGX_ERROR) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid rate \"%V\"", &value[i]);
return NGX_CONF_ERROR;
}
continue;
}
if (value[i].data[0] == '$') {
value[i].len--;
value[i].data++;
ctx = ngx_pcalloc(cf->pool, sizeof(ngx_http_limit_req_ctx_t));
if (ctx == NULL) {
return NGX_CONF_ERROR;
}
ctx->index = ngx_http_get_variable_index(cf, &value[i]);
if (ctx->index == NGX_ERROR) {
return NGX_CONF_ERROR;
}
ctx->var = value[i];
continue;
}
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid parameter \"%V\"", &value[i]);
return NGX_CONF_ERROR;
}
if (name.len == 0 || size == 0) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"\"%V\" must have \"zone\" parameter",
&cmd->name);
return NGX_CONF_ERROR;
}
if (ctx == NULL) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"no variable is defined for limit_req_zone \"%V\"",
&cmd->name);
return NGX_CONF_ERROR;
}
ctx->rate = rate * 1000 / scale;
shm_zone = ngx_shared_memory_add(cf, &name, size,
&ngx_http_limit_req_module);
if (shm_zone == NULL) {
return NGX_CONF_ERROR;
}
if (shm_zone->data) {
ctx = shm_zone->data;
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"limit_req_zone \"%V\" is already bound to variable \"%V\"",
&value[1], &ctx->var);
return NGX_CONF_ERROR;
}
shm_zone->init = ngx_http_limit_req_init_zone;
shm_zone->data = ctx;
return NGX_CONF_OK;
}
static char *
ngx_http_req_status_zone(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ssize_t size;
ngx_str_t *value;
ngx_http_req_status_zone_t *ctx, **pctx;
ngx_http_req_status_main_conf_t *rmcf;
ngx_http_compile_complex_value_t ccv;
value = cf->args->elts;
size = ngx_parse_size(&value[3]);
if (size == NGX_ERROR) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid size of %V \"%V\"", &cmd->name, &value[3]);
return NGX_CONF_ERROR;
}
if (size < (ssize_t) (8 * ngx_pagesize)) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"%V \"%V\" is too small", &cmd->name, &value[1]);
return NGX_CONF_ERROR;
}
ctx = ngx_pcalloc(cf->pool, sizeof(ngx_http_req_status_zone_t));
if (ctx == NULL){
return NGX_CONF_ERROR;
}
ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t));
ccv.cf = cf;
ccv.value = &value[2];
ccv.complex_value = &ctx->key;
if (ngx_http_compile_complex_value(&ccv) != NGX_OK) {
return NGX_CONF_ERROR;
}
ctx->shm_zone = ngx_shared_memory_add(cf, &value[1], size,
&ngx_http_req_status_module);
if (ctx->shm_zone == NULL) {
return NGX_CONF_ERROR;
}
if (ctx->shm_zone->data) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"%V \"%V\" is already bound",
&cmd->name, &value[1]);
return NGX_CONF_ERROR;
}
ctx->shm_zone->init = ngx_http_req_status_init_zone;
ctx->shm_zone->data = ctx;
rmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_req_status_module);
pctx = ngx_array_push(&rmcf->zones);
if (pctx == NULL){
return NGX_CONF_ERROR;
}
*pctx = ctx;
return NGX_CONF_OK;
}
char *
ngx_http_lua_shared_dict(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_http_lua_main_conf_t *lmcf = conf;
ngx_str_t *value, name;
ngx_shm_zone_t *zone;
ngx_shm_zone_t **zp;
ngx_http_lua_shdict_ctx_t *ctx;
ssize_t size;
if (lmcf->shdict_zones == NULL) {
lmcf->shdict_zones = ngx_palloc(cf->pool, sizeof(ngx_array_t));
if (lmcf->shdict_zones == NULL) {
return NGX_CONF_ERROR;
}
if (ngx_array_init(lmcf->shdict_zones, cf->pool, 2,
sizeof(ngx_shm_zone_t *))
!= NGX_OK)
{
return NGX_CONF_ERROR;
}
}
value = cf->args->elts;
ctx = NULL;
if (value[1].len == 0) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid lua shared dict name \"%V\"", &value[1]);
return NGX_CONF_ERROR;
}
name = value[1];
size = ngx_parse_size(&value[2]);
if (size <= 8191) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid lua shared dict size \"%V\"", &value[2]);
return NGX_CONF_ERROR;
}
ctx = ngx_pcalloc(cf->pool, sizeof(ngx_http_lua_shdict_ctx_t));
if (ctx == NULL) {
return NGX_CONF_ERROR;
}
ctx->name = name;
ctx->main_conf = lmcf;
ctx->log = &cf->cycle->new_log;
zone = ngx_http_lua_shared_memory_add(cf, &name, (size_t) size,
&ngx_http_lua_module);
if (zone == NULL) {
return NGX_CONF_ERROR;
}
if (zone->data) {
ctx = zone->data;
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"lua_shared_dict \"%V\" is already defined as "
"\"%V\"", &name, &ctx->name);
return NGX_CONF_ERROR;
}
zone->init = ngx_http_lua_shdict_init_zone;
zone->data = ctx;
zp = ngx_array_push(lmcf->shdict_zones);
if (zp == NULL) {
return NGX_CONF_ERROR;
}
*zp = zone;
lmcf->requires_shm = 1;
return NGX_CONF_OK;
}
static char *
ngx_http_vhost_traffic_status_zone(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ssize_t size;
u_char *p;
ngx_uint_t i;
ngx_str_t *value, name, s;
ngx_shm_zone_t *shm_zone;
ngx_http_vhost_traffic_status_ctx_t *ctx;
value = cf->args->elts;
ctx = ngx_http_conf_get_module_main_conf(cf, ngx_http_vhost_traffic_status_module);
if (ctx == NULL) {
return NGX_CONF_ERROR;
}
ctx->enable = 1;
ngx_str_set(&name, NGX_HTTP_VHOST_TRAFFIC_STATUS_DEFAULT_SHM_NAME);
size = NGX_HTTP_VHOST_TRAFFIC_STATUS_DEFAULT_SHM_SIZE;
for (i = 1; i < cf->args->nelts; i++) {
if (ngx_strncmp(value[i].data, "shared:", 7) == 0) {
name.data = value[i].data + 7;
p = (u_char *) ngx_strchr(name.data, ':');
if (p == NULL) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid shared size \"%V\"", &value[i]);
return NGX_CONF_ERROR;
}
name.len = p - name.data;
s.data = p + 1;
s.len = value[i].data + value[i].len - s.data;
size = ngx_parse_size(&s);
if (size == NGX_ERROR) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid shared size \"%V\"", &value[i]);
return NGX_CONF_ERROR;
}
if (size < (ssize_t) (8 * ngx_pagesize)) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"shared \"%V\" is too small", &value[i]);
return NGX_CONF_ERROR;
}
continue;
}
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid parameter \"%V\"", &value[i]);
return NGX_CONF_ERROR;
}
shm_zone = ngx_shared_memory_add(cf, &name, size,
&ngx_http_vhost_traffic_status_module);
if (shm_zone == NULL) {
return NGX_CONF_ERROR;
}
if (shm_zone->data) {
ctx = shm_zone->data;
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"vhost_traffic_status: \"%V\" is already bound to key", &name);
return NGX_CONF_ERROR;
}
ctx->shm_name = name;
ctx->shm_size = size;
shm_zone->init = ngx_http_vhost_traffic_status_init_zone;
shm_zone->data = ctx;
return NGX_CONF_OK;
}
static char *
ngx_conf_limit_tcp(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_limit_tcp_conf_t *ltcf = conf;
u_char *p;
size_t len;
ssize_t size;
ngx_int_t burst, rate, scale, concurrent;
ngx_str_t *value, s, name;
ngx_url_t u;
ngx_uint_t i, j, nodelay;
ngx_array_t *ls;
ngx_shm_zone_t *shm_zone;
ngx_limit_tcp_ctx_t *ctx;
ngx_limit_tcp_addr_t *addr, **paddr, **taddr;
burst = 0;
nodelay = 0;
concurrent = 0;
rate = 0;
scale = 1;
size = 1024 * 1024 * 2;
ngx_str_set(&name, "limit_tcp_shm");
ls = ngx_array_create(cf->pool, 1, sizeof(ngx_limit_tcp_addr_t));
if (ls == NULL) {
return NGX_CONF_ERROR;
}
value = cf->args->elts;
for (i = 1; i < cf->args->nelts; i++) {
if (ngx_strncmp(value[i].data, "name=", 5) == 0) {
name.data = value[i].data + 5;
p = (u_char *) ngx_strchr(name.data, ':');
if (p) {
*p = '\0';
name.len = p - name.data;
p++;
s.len = value[i].data + value[i].len - p;
s.data = p;
size = ngx_parse_size(&s);
if (size > 8191) {
continue;
}
}
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid size \"%V\"", &value[i]);
return NGX_CONF_ERROR;
} else if (ngx_strncmp(value[i].data, "rate=", 5) == 0) {
len = value[i].len;
p = value[i].data + len - 3;
if (ngx_strncmp(p, "r/s", 3) == 0) {
scale = 1;
len -= 3;
} else if (ngx_strncmp(p, "r/m", 3) == 0) {
scale = 60;
len -= 3;
}
rate = ngx_atoi(value[i].data + 5, len - 5);
if (rate <= 0) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid rate \"%V\"", &value[i]);
return NGX_CONF_ERROR;
}
} else if (ngx_strncmp(value[i].data, "burst=", 6) == 0) {
burst = ngx_atoi(value[i].data + 6, value[i].len - 6);
if (burst <= 0) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid burst rate \"%V\"", &value[i]);
return NGX_CONF_ERROR;
}
continue;
} else if (ngx_strncmp(value[i].data, "concurrent=", 11) == 0) {
concurrent = ngx_atoi(value[i].data + 11, value[i].len - 11);
if (concurrent <= 0) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid concurrent \"%V\"", &value[i]);
return NGX_CONF_ERROR;
}
continue;
} else if (ngx_strncmp(value[i].data, "nodelay", 7) == 0) {
nodelay = 1;
continue;
} else {
/* ip:port */
ngx_memzero(&u, sizeof(ngx_url_t));
u.url = value[i];
u.listen = 1;
u.default_port = 80;
if (ngx_parse_url(cf->pool, &u) != NGX_OK) {
if (u.err) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"%s in \"%V\" of the \"limit_tcp\""
" directive", u.err, &u.url);
}
return NGX_CONF_ERROR;
}
addr = ngx_array_push(ls);
if (addr == NULL) {
return NGX_CONF_ERROR;
}
ngx_memzero(addr, sizeof(ngx_limit_tcp_addr_t));
ngx_memcpy(&addr->sockaddr, u.sockaddr, u.socklen);
addr->socklen = u.socklen;
addr->addr_text = u.url;
}
}
if (concurrent == 0 && rate == 0) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"you need to set concurrent or rate");
return NGX_CONF_ERROR;
}
shm_zone = ngx_shared_memory_add(cf, &name, size, &ngx_limit_tcp_module);
if (shm_zone == NULL) {
return NGX_CONF_ERROR;
}
if (shm_zone->data) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "\"%V\" is already bound",
&name);
return NGX_CONF_ERROR;
}
ctx = ngx_pcalloc(cf->pool, sizeof(ngx_limit_tcp_ctx_t));
if (ctx == NULL) {
return NGX_CONF_ERROR;
}
ctx->nodelay = nodelay;
ctx->concurrent = concurrent;
ctx->rate = rate * 1000 / scale;
ctx->burst = burst * 1000;
ctx->shm_size = size;
shm_zone->init = ngx_limit_tcp_init_zone;
shm_zone->data = ctx;
paddr = ltcf->lsocks.elts;
addr = ls->elts;
for (i = 0; i < ls->nelts; i++) {
for (j = 0; j < ltcf->lsocks.nelts; j++) {
if (addr[i].addr_text.len != paddr[j]->addr_text.len) {
continue;
}
if (ngx_strncmp(addr[i].addr_text.data, paddr[j]->addr_text.data,
addr[i].addr_text.len)
!= 0)
{
continue;
}
break;
}
if (j != ltcf->lsocks.nelts) {
continue;
}
taddr = ngx_array_push(<cf->lsocks);
if (taddr == NULL) {
return NGX_CONF_ERROR;
}
addr[i].ctx = ctx;
*taddr = &addr[i];
}
ltcf->enable = 1;
return NGX_CONF_OK;
}
char *
ngx_http_file_cache_set_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
off_t max_size;
u_char *last, *p;
time_t inactive;
ssize_t size;
ngx_str_t s, name, *value;
ngx_int_t loader_files;
ngx_msec_t loader_sleep, loader_threshold;
ngx_uint_t i, n;
ngx_http_file_cache_t *cache;
cache = ngx_pcalloc(cf->pool, sizeof(ngx_http_file_cache_t));
if (cache == NULL) {
return NGX_CONF_ERROR;
}
cache->path = ngx_pcalloc(cf->pool, sizeof(ngx_path_t));
if (cache->path == NULL) {
return NGX_CONF_ERROR;
}
inactive = 600;
loader_files = 100;
loader_sleep = 50;
loader_threshold = 200;
name.len = 0;
size = 0;
max_size = NGX_MAX_OFF_T_VALUE;
value = cf->args->elts;
cache->path->name = value[1];
if (cache->path->name.data[cache->path->name.len - 1] == '/') {
cache->path->name.len--;
}
if (ngx_conf_full_name(cf->cycle, &cache->path->name, 0) != NGX_OK) {
return NGX_CONF_ERROR;
}
for (i = 2; i < cf->args->nelts; i++) {
if (ngx_strncmp(value[i].data, "levels=", 7) == 0) {
p = value[i].data + 7;
last = value[i].data + value[i].len;
for (n = 0; n < 3 && p < last; n++) {
if (*p > '0' && *p < '3') {
cache->path->level[n] = *p++ - '0';
cache->path->len += cache->path->level[n] + 1;
if (p == last) {
break;
}
if (*p++ == ':' && n < 2 && p != last) {
continue;
}
goto invalid_levels;
}
goto invalid_levels;
}
if (cache->path->len < 10 + 3) {
continue;
}
invalid_levels:
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid \"levels\" \"%V\"", &value[i]);
return NGX_CONF_ERROR;
}
if (ngx_strncmp(value[i].data, "keys_zone=", 10) == 0) {
name.data = value[i].data + 10;
p = (u_char *) ngx_strchr(name.data, ':');
if (p) {
name.len = p - name.data;
p++;
s.len = value[i].data + value[i].len - p;
s.data = p;
size = ngx_parse_size(&s);
if (size > 8191) {
continue;
}
}
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid keys zone size \"%V\"", &value[i]);
return NGX_CONF_ERROR;
}
if (ngx_strncmp(value[i].data, "inactive=", 9) == 0) {
s.len = value[i].len - 9;
s.data = value[i].data + 9;
inactive = ngx_parse_time(&s, 1);
if (inactive == (time_t) NGX_ERROR) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid inactive value \"%V\"", &value[i]);
return NGX_CONF_ERROR;
}
continue;
}
if (ngx_strncmp(value[i].data, "max_size=", 9) == 0) {
s.len = value[i].len - 9;
s.data = value[i].data + 9;
max_size = ngx_parse_offset(&s);
if (max_size < 0) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid max_size value \"%V\"", &value[i]);
return NGX_CONF_ERROR;
}
continue;
}
if (ngx_strncmp(value[i].data, "loader_files=", 13) == 0) {
loader_files = ngx_atoi(value[i].data + 13, value[i].len - 13);
if (loader_files == NGX_ERROR) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid loader_files value \"%V\"", &value[i]);
return NGX_CONF_ERROR;
}
continue;
}
if (ngx_strncmp(value[i].data, "loader_sleep=", 13) == 0) {
s.len = value[i].len - 13;
s.data = value[i].data + 13;
loader_sleep = ngx_parse_time(&s, 0);
if (loader_sleep == (ngx_msec_t) NGX_ERROR) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid loader_sleep value \"%V\"", &value[i]);
return NGX_CONF_ERROR;
}
continue;
}
if (ngx_strncmp(value[i].data, "loader_threshold=", 17) == 0) {
s.len = value[i].len - 17;
s.data = value[i].data + 17;
loader_threshold = ngx_parse_time(&s, 0);
if (loader_threshold == (ngx_msec_t) NGX_ERROR) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid loader_threshold value \"%V\"", &value[i]);
return NGX_CONF_ERROR;
}
continue;
}
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid parameter \"%V\"", &value[i]);
return NGX_CONF_ERROR;
}
if (name.len == 0 || size == 0) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"\"%V\" must have \"keys_zone\" parameter",
&cmd->name);
return NGX_CONF_ERROR;
}
cache->path->manager = ngx_http_file_cache_manager;
cache->path->loader = ngx_http_file_cache_loader;
cache->path->data = cache;
cache->path->conf_file = cf->conf_file->file.name.data;
cache->path->line = cf->conf_file->line;
cache->loader_files = loader_files;
cache->loader_sleep = loader_sleep;
cache->loader_threshold = loader_threshold;
if (ngx_add_path(cf, &cache->path) != NGX_OK) {
return NGX_CONF_ERROR;
}
cache->shm_zone = ngx_shared_memory_add(cf, &name, size, cmd->post);
if (cache->shm_zone == NULL) {
return NGX_CONF_ERROR;
}
if (cache->shm_zone->data) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"duplicate zone \"%V\"", &name);
return NGX_CONF_ERROR;
}
cache->shm_zone->init = ngx_http_file_cache_init;
cache->shm_zone->data = cache;
cache->inactive = inactive;
cache->max_size = max_size;
return NGX_CONF_OK;
}
static char *
ngx_tcp_log_set_access_log(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_tcp_core_srv_conf_t *cscf = conf;
ngx_tcp_log_srv_conf_t *lscf = cscf->access_log;
ssize_t size;
ngx_str_t *value, name;
ngx_tcp_log_t *log;
#if (nginx_version) >= 1003010 || (nginx_version) >= 1002007 && (nginx_version) < 1003000
ngx_tcp_log_buf_t *buffer;
#endif
value = cf->args->elts;
if (ngx_strcmp(value[1].data, "off") == 0) {
lscf->off = 1;
if (cf->args->nelts == 2) {
return NGX_CONF_OK;
}
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid parameter \"%V\"", &value[2]);
return NGX_CONF_ERROR;
}
if (lscf->logs == NULL) {
lscf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_tcp_log_t));
if (lscf->logs == NULL) {
return NGX_CONF_ERROR;
}
}
log = ngx_array_push(lscf->logs);
if (log == NULL) {
return NGX_CONF_ERROR;
}
ngx_memzero(log, sizeof(ngx_tcp_log_t));
log->file = ngx_conf_open_file(cf->cycle, &value[1]);
if (log->file == NULL) {
return NGX_CONF_ERROR;
}
if (cf->args->nelts == 3) {
if (ngx_strncmp(value[2].data, "buffer=", 7) != 0) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid parameter \"%V\"", &value[2]);
return NGX_CONF_ERROR;
}
name.len = value[2].len - 7;
name.data = value[2].data + 7;
size = ngx_parse_size(&name);
if (size == NGX_ERROR) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid parameter \"%V\"", &value[2]);
return NGX_CONF_ERROR;
}
#if (nginx_version) >= 1003010 || (nginx_version) >= 1002007 && (nginx_version) < 1003000
if (log->file->data) {
buffer = log->file->data;
if (buffer->last - buffer->pos != size) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"access_log \"%V\" already defined "
"with different buffer size", &value[1]);
return NGX_CONF_ERROR;
}
return NGX_CONF_OK;
}
buffer = ngx_pcalloc(cf->pool, sizeof(ngx_tcp_log_buf_t));
if (buffer == NULL) {
return NGX_CONF_ERROR;
}
buffer->start = ngx_palloc(cf->pool, size);
if (buffer->start == NULL) {
return NGX_CONF_ERROR;
}
buffer->pos = buffer->start;
buffer->last = buffer->start + size;
log->file->data = buffer;
#else
if (log->file->buffer) {
if (log->file->last - log->file->pos != size) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"access_log \"%V\" already defined "
"with different buffer size", &value[1]);
return NGX_CONF_ERROR;
}
return NGX_CONF_OK;
}
log->file->buffer = ngx_palloc(cf->pool, size);
if (log->file->buffer == NULL) {
return NGX_CONF_ERROR;
}
log->file->pos = log->file->buffer;
log->file->last = log->file->buffer + size;
#endif
}
return NGX_CONF_OK;
}
static char *
ngx_http_limit_conn_zone(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
u_char *p;
ssize_t size;
ngx_str_t *value, name, s;
ngx_uint_t i;
ngx_shm_zone_t *shm_zone;
ngx_http_limit_conn_ctx_t *ctx;
value = cf->args->elts;
ctx = NULL;
size = 0;
name.len = 0;
for (i = 1; i < cf->args->nelts; i++) {
if (ngx_strncmp(value[i].data, "zone=", 5) == 0) {
name.data = value[i].data + 5;
p = (u_char *) ngx_strchr(name.data, ':');
if (p == NULL) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid zone size \"%V\"", &value[i]);
return NGX_CONF_ERROR;
}
name.len = p - name.data;
s.data = p + 1;
s.len = value[i].data + value[i].len - s.data;
size = ngx_parse_size(&s);
if (size == NGX_ERROR) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid zone size \"%V\"", &value[i]);
return NGX_CONF_ERROR;
}
if (size < (ssize_t) (8 * ngx_pagesize)) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"zone \"%V\" is too small", &value[i]);
return NGX_CONF_ERROR;
}
continue;
}
if (value[i].data[0] == '$') {
value[i].len--;
value[i].data++;
ctx = ngx_pcalloc(cf->pool, sizeof(ngx_http_limit_conn_ctx_t));
if (ctx == NULL) {
return NGX_CONF_ERROR;
}
ctx->index = ngx_http_get_variable_index(cf, &value[i]);
if (ctx->index == NGX_ERROR) {
return NGX_CONF_ERROR;
}
ctx->var = value[i];
continue;
}
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid parameter \"%V\"", &value[i]);
return NGX_CONF_ERROR;
}
if (name.len == 0) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"\"%V\" must have \"zone\" parameter",
&cmd->name);
return NGX_CONF_ERROR;
}
if (ctx == NULL) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"no variable is defined for %V \"%V\"",
&cmd->name, &name);
return NGX_CONF_ERROR;
}
shm_zone = ngx_shared_memory_add(cf, &name, size,
&ngx_http_limit_conn_module);
if (shm_zone == NULL) {
return NGX_CONF_ERROR;
}
if (shm_zone->data) {
ctx = shm_zone->data;
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"%V \"%V\" is already bound to variable \"%V\"",
&cmd->name, &name, &ctx->var);
return NGX_CONF_ERROR;
}
shm_zone->init = ngx_http_limit_conn_init_zone;
shm_zone->data = ctx;
return NGX_CONF_OK;
}
static char *
ngx_http_tfs_rcs_zone(ngx_conf_t *cf, ngx_http_tfs_upstream_t *tu)
{
ssize_t size;
ngx_str_t *value, s, name;
ngx_uint_t i;
ngx_shm_zone_t *shm_zone;
ngx_http_tfs_rc_ctx_t *ctx;
value = cf->args->elts;
size = 0;
name.len = 0;
if (cf->args->nelts != 3) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid number of arguments in "
"\"rcs_zone\" directive");
return NGX_CONF_ERROR;
}
for (i = 1; i < cf->args->nelts; i++) {
if (ngx_strncmp(value[i].data, "size=", 5) == 0) {
s.len = value[i].len - 5;
s.data = value[i].data + 5;
size = ngx_parse_size(&s);
if (size == NGX_ERROR) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid zone size \"%V\"", &value[i]);
return NGX_CONF_ERROR;
}
if (size < (ssize_t) (8 * ngx_pagesize)) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"zone \"%V\" is too small", &value[i]);
return NGX_CONF_ERROR;
}
continue;
}
if (ngx_strncmp(value[i].data, "name=", 5) == 0) {
name.len = value[i].len - 5;
name.data = value[i].data + 5;
continue;
}
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid parameter \"%V\"", &value[i]);
return NGX_CONF_ERROR;
}
if (size == 0) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"\"rcs_zone\" must have \"size\" parameter");
return NGX_CONF_ERROR;
}
if (name.len == 0) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"\"rcs_zone\" must have \"name\" parameter");
return NGX_CONF_ERROR;
}
ctx = ngx_pcalloc(cf->pool, sizeof(ngx_http_tfs_rc_ctx_t));
if (ctx == NULL) {
return NGX_CONF_ERROR;
}
shm_zone = ngx_shared_memory_add(cf, &name, size,
&ngx_http_tfs_module);
if (shm_zone == NULL) {
return NGX_CONF_ERROR;
}
shm_zone->init = ngx_http_tfs_rc_server_init_zone;
shm_zone->data = ctx;
tu->rc_ctx = ctx;
tu->rcs_zone_name = name;
return NGX_CONF_OK;
}
static char *
ngx_stream_limit_conn_zone(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
u_char *p;
ssize_t size;
ngx_str_t *value, name, s;
ngx_uint_t i;
ngx_shm_zone_t *shm_zone;
ngx_stream_limit_conn_ctx_t *ctx;
value = cf->args->elts;
ctx = ngx_pcalloc(cf->pool, sizeof(ngx_stream_limit_conn_ctx_t));
if (ctx == NULL) {
return NGX_CONF_ERROR;
}
size = 0;
name.len = 0;
for (i = 2; i < cf->args->nelts; i++) {
if (ngx_strncmp(value[i].data, "zone=", 5) == 0) {
name.data = value[i].data + 5;
p = (u_char *) ngx_strchr(name.data, ':');
if (p == NULL) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid zone size \"%V\"", &value[i]);
return NGX_CONF_ERROR;
}
name.len = p - name.data;
s.data = p + 1;
s.len = value[i].data + value[i].len - s.data;
size = ngx_parse_size(&s);
if (size == NGX_ERROR) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid zone size \"%V\"", &value[i]);
return NGX_CONF_ERROR;
}
if (size < (ssize_t) (8 * ngx_pagesize)) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"zone \"%V\" is too small", &value[i]);
return NGX_CONF_ERROR;
}
continue;
}
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid parameter \"%V\"", &value[i]);
return NGX_CONF_ERROR;
}
if (name.len == 0) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"\"%V\" must have \"zone\" parameter",
&cmd->name);
return NGX_CONF_ERROR;
}
shm_zone = ngx_shared_memory_add(cf, &name, size,
&ngx_stream_limit_conn_module);
if (shm_zone == NULL) {
return NGX_CONF_ERROR;
}
if (shm_zone->data) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"%V \"%V\" is already bound to key "
"\"$binary_remote_addr\"",
&cmd->name, &name);
return NGX_CONF_ERROR;
}
if (ngx_strcmp(value[1].data, "$binary_remote_addr") != 0) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"unsupported key \"%V\", use "
"$binary_remote_addr", &value[1]);
return NGX_CONF_ERROR;
}
shm_zone->init = ngx_stream_limit_conn_init_zone;
shm_zone->data = ctx;
return NGX_CONF_OK;
}
