1 files changed, 84 insertions, 0 deletions
diff --git a/src/core/ngx_unix_domain.c b/src/core/ngx_unix_domain.c
new file mode 100644
index 000000000..436777f8f
--- /dev/null
+++ b/src/core/ngx_unix_domain.c
@@ -0,0 +1,84 @@
+
+/*
+ * Copyright (C) Igor Sysoev
+ */
+
+
+#include <ngx_config.h>
+#include <ngx_core.h>
+#include <ngx_event.h>
+#include <ngx_event_connect.h>
+
+
+/* Solaris has predefined "#define sun 1" */
+#undef sun
+
+
+ngx_peers_t *ngx_unix_upstream_parse(ngx_conf_t *cf,
+                                     ngx_unix_domain_upstream_t *u)
+{
+    size_t               len;
+    ngx_uint_t           i;
+    ngx_peers_t         *peers;
+    struct sockaddr_un  *sun;
+
+    len = u->url.len - 5;
+
+    if (u->uri_part) {
+        for (i = 5; i < u->url.len; i++) {
+            if (u->url.data[i] == ':') {
+                len = i - 5;
+                u->uri.len = u->url.len - 5 - len - 1;
+                u->uri.data = u->url.data + 5 + len + 1;
+
+                break;
+            }
+        }
+
+        if (u->uri.len == 0) {
+            ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
+                               "the unix domain upstream \"%V\" has no URI",
+                               &u->name);
+            return NULL;
+        }
+    }
+
+    if (len == 0) {
+        ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
+                           "the unix domain socket \"%V\" has no path",
+                           &u->name);
+        return NULL;
+    }
+
+    if (len + 1 > sizeof(sun->sun_path)) {
+        ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
+                           "the unix domain socket path \"%V\" is too long",
+                           &u->name);
+        return NULL;
+    }
+
+    /* MP: ngx_shared_palloc() */
+
+    if (!(peers = ngx_pcalloc(cf->pool, sizeof(ngx_peers_t)))) {
+        return NULL;
+    }
+
+    if (!(sun = ngx_pcalloc(cf->pool, sizeof(struct sockaddr_un)))) {
+        return NULL;
+    }
+
+    peers->number = 1;
+
+    sun->sun_family = AF_UNIX;
+    ngx_cpystrn((u_char *) sun->sun_path, u->url.data + 5, len + 1);
+
+    peers->peer[0].sockaddr = (struct sockaddr *) sun;
+    peers->peer[0].socklen = sizeof(struct sockaddr_un);
+
+    peers->peer[0].name.len = 5 + len;
+    peers->peer[0].name.data = u->url.data;
+
+    peers->peer[0].uri_separator = ":";
+
+    return peers;
+}