nginx-0.0.10-2004-09-12-00:22:11 import

src/event/ngx_event.h

@@ -220,7 +220,7 @@ extern ngx_event_actions_t   ngx_event_actions;
 
 /*
  * The event filter is deleted after a notification without an additional
- * syscall - select, poll, kqueue, epoll.
+ * syscall - select, poll, kqueue, epoll, Solaris 10's event ports.
  */
 #define NGX_USE_ONESHOT_EVENT    0x00000002
 

src/imap/ngx_imap.h

@@ -31,6 +31,9 @@ typedef struct {
 
     ngx_imap_proxy_ctx_t   *proxy;
 
+    ngx_str_t               login;
+    ngx_str_t               passwd;
+
     ngx_uint_t              command;
     ngx_array_t             args;
 

src/imap/ngx_imap_handler.c

@@ -69,15 +69,15 @@ static void ngx_imap_init_session(ngx_event_t *rev)
     s->connection = c;
 
     if (ngx_array_init(&s->args, c->pool, 2, sizeof(ngx_str_t)) == NGX_ERROR) {
-        ngx_imap_close_connection(s->connection);
+        ngx_imap_close_connection(c);
         return;
     }
 
     size = /* STUB: pop3: 128, imap: configurable 4K default */ 128;
 
-    s->buffer = ngx_create_temp_buf(s->connection->pool, size);
+    s->buffer = ngx_create_temp_buf(c->pool, size);
     if (s->buffer == NULL) {
-        ngx_imap_close_connection(s->connection);
+        ngx_imap_close_connection(c);
         return;
     }
 
@@ -89,10 +89,11 @@ static void ngx_imap_init_session(ngx_event_t *rev)
 
 static void ngx_pop3_auth_state(ngx_event_t *rev)
 {
-    ngx_uint_t           quit;
     u_char              *text;
     ssize_t              size;
     ngx_int_t            rc;
+    ngx_uint_t           quit;
+    ngx_str_t           *arg;
     ngx_connection_t    *c;
     ngx_imap_session_t  *s;
 
@@ -123,6 +124,20 @@ static void ngx_pop3_auth_state(ngx_event_t *rev)
             case NGX_POP3_USER:
                 if (s->args.nelts == 1) {
                     s->imap_state = ngx_pop3_user;
+
+                    arg = s->args.elts;
+                    s->login.len = arg[0].len;
+                    s->login.data = ngx_palloc(c->pool, s->login.len + 1);
+                    if (s->login.data == NULL) {
+                        ngx_imap_close_connection(c);
+                        return;
+                    }
+
+                    ngx_cpystrn(s->login.data, arg[0].data, s->login.len + 1);
+
+                    ngx_log_debug1(NGX_LOG_DEBUG_IMAP, c->log, 0,
+                                   "pop3 login: \"%s\"", s->login.data);
+
                 } else {
                     rc = NGX_IMAP_PARSE_INVALID_COMMAND;
                 }
@@ -148,6 +163,27 @@ static void ngx_pop3_auth_state(ngx_event_t *rev)
             case NGX_POP3_PASS:
                 if (s->args.nelts == 1) {
                     /* STUB */ s->imap_state = ngx_pop3_start;
+
+                    arg = s->args.elts;
+                    s->passwd.len = arg[0].len;
+                    s->passwd.data = ngx_palloc(c->pool, s->passwd.len + 1);
+                    if (s->passwd.data == NULL) {
+                        ngx_imap_close_connection(c);
+                        return;
+                    }
+
+                    ngx_cpystrn(s->passwd.data, arg[0].data, s->passwd.len + 1);
+
+                    ngx_log_debug1(NGX_LOG_DEBUG_IMAP, c->log, 0,
+                                   "pop3 passwd: \"%s\"", s->passwd.data);
+
+                    s->buffer->pos = s->buffer->start;
+                    s->buffer->last = s->buffer->start;
+
+                    ngx_imap_proxy_init(s);
+
+                    return;
+
                 } else {
                     rc = NGX_IMAP_PARSE_INVALID_COMMAND;
                 }

src/imap/ngx_imap_parse.c

@@ -120,7 +120,7 @@ ngx_int_t ngx_pop3_parse_command(ngx_imap_session_t *s)
                 if (!(arg = ngx_array_push(&s->args))) {
                     return NGX_ERROR;
                 }
-                arg->len = p - s->arg_start;
+                arg->len = p - 1 - s->arg_start;
                 arg->data = s->arg_start;
                 s->arg_start = NULL;
 

src/imap/ngx_imap_proxy.c

@@ -7,7 +7,7 @@
 
 
 static void ngx_imap_proxy_block_read(ngx_event_t *rev);
-static void ngx_imap_proxy_greeting_handler(ngx_event_t *rev);
+static void ngx_imap_proxy_auth_handler(ngx_event_t *rev);
 static void ngx_imap_proxy_init_handler(ngx_event_t *wev);
 static void ngx_imap_proxy_dummy_handler(ngx_event_t *ev);
 static ngx_int_t ngx_imap_proxy_read_response(ngx_imap_session_t *s);
@@ -57,8 +57,7 @@ void ngx_imap_proxy_init(ngx_imap_session_t *s)
     p->upstream.connection->pool = s->connection->pool;
 
     s->connection->read->event_handler = ngx_imap_proxy_block_read;
-    p->upstream.connection->read->event_handler =
+    p->upstream.connection->read->event_handler = ngx_imap_proxy_auth_handler;
-                                               ngx_imap_proxy_greeting_handler;
     p->upstream.connection->write->event_handler = ngx_imap_proxy_dummy_handler;
 }
 
@@ -79,15 +78,15 @@ static void ngx_imap_proxy_block_read(ngx_event_t *rev)
 }
 
 
-static void ngx_imap_proxy_greeting_handler(ngx_event_t *rev)
+static void ngx_imap_proxy_auth_handler(ngx_event_t *rev)
 {
+    u_char              *p;
     ngx_int_t            rc;
-    ngx_buf_t           *b;
+    ngx_str_t            line;
     ngx_connection_t    *c;
     ngx_imap_session_t  *s;
 
-    ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0,
+    ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy auth handler");
-                   "imap proxy greeting handler");
 
     c = rev->data;
     s = c->data;
@@ -106,30 +105,71 @@ static void ngx_imap_proxy_greeting_handler(ngx_event_t *rev)
         return;
     }
 
-    if (rc == NGX_OK) {
+    if (rc == NGX_ERROR) {
+        /* TODO: ngx_imap_proxy_finalize_session(s, NGX_IMAP_INTERNAL_ERROR) */
+        ngx_imap_proxy_close_session(s);
+        return;
+    }
+
+    if (s->imap_state == ngx_pop3_start) {
+
+        ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy send user");
+
+        line.len = sizeof("USER ") + s->login.len - 1 + 2;
+        if (!(line.data = ngx_palloc(c->pool, line.len))) {
+            ngx_imap_proxy_close_session(s);
+            return;
+        }
+
+        p = ngx_cpymem(line.data, "USER ", sizeof("USER ") - 1);
+        p = ngx_cpymem(p, s->login.data, s->login.len);
+        *p++ = CR; *p++ = LF;
+
+        if (ngx_send(c, line.data, line.len) < (ssize_t) line.len) {
+            /*
+             * we treat the incomplete sending as NGX_ERROR
+             * because it is very strange here
+             */
+            ngx_imap_close_connection(c);
+            return;
+        }
+
+        s->imap_state = ngx_pop3_user;
+
+        s->proxy->buffer->pos = s->proxy->buffer->start;
+        s->proxy->buffer->last = s->proxy->buffer->start;
+
+        return;
+    }
+
+    ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap proxy send pass");
+
+    line.len = sizeof("PASS ") + s->passwd.len - 1 + 2;
+    if (!(line.data = ngx_palloc(c->pool, line.len))) {
+        ngx_imap_proxy_close_session(s);
+        return;
+    }
+
+    p = ngx_cpymem(line.data, "PASS ", sizeof("PASS ") - 1);
+    p = ngx_cpymem(p, s->passwd.data, s->passwd.len);
+    *p++ = CR; *p++ = LF;
+
+    if (ngx_send(c, line.data, line.len) < (ssize_t) line.len) {
+        /*
+         * we treat the incomplete sending as NGX_ERROR
+         * because it is very strange here
+         */
+        ngx_imap_close_connection(c);
+        return;
+    }
+
+    s->proxy->buffer->pos = s->proxy->buffer->start;
+    s->proxy->buffer->last = s->proxy->buffer->start;
+
     s->connection->read->event_handler = ngx_imap_proxy_handler;
     s->connection->write->event_handler = ngx_imap_proxy_handler;
     rev->event_handler = ngx_imap_proxy_handler;
     c->write->event_handler = ngx_imap_proxy_handler;
-
-        b = s->proxy->buffer;
-        b->pos = b->start;
-        b->last = b->start;
-
-        if (ngx_handle_read_event(s->connection->read, 0) == NGX_ERROR) {
-            ngx_imap_proxy_close_session(s);
-            return;
-        }
-
-        if (s->connection->read->ready) {
-            ngx_imap_proxy_handler(s->connection->read);
-        }
-
-        return;
-    }
-
-    /* TODO: ngx_imap_proxy_finalize_session(s, NGX_IMAP_INTERNAL_ERROR) */
-    ngx_imap_proxy_close_session(s);
 }