IMAP proxy problems
Igor Sysoev
is at rambler-co.ru
Thu Aug 16 22:22:03 MSD 2007
On Thu, Aug 16, 2007 at 06:26:34PM +0200, Attila Nagy wrote:
> I'm trying to set up nginx (stable and devel, both without success) as
> an IMAP proxy to an Exchange server.
>
> The config is:
> daemon off;
> error_log /var/log/nginx-error.log debug;
> events {
> worker_connections 1024;
> }
> mail {
> auth_http 127.0.0.1:9000/cgi-bin/auth;
> imap_capabilities "IMAP4rev1" "UIDPLUS";
>
> server {
> listen 143;
> protocol imap;
> proxy on;
> }
> }
>
> I give back on TCP/9000 the following:
> HTTP/1.0 200 OK
> Auth-Status: OK
> Auth-Server: 127.0.0.1
> Auth-Port: 1433
> (this is just a test on a forwarded port)
>
> What I get in the log:
> 2007/08/16 16:06:43 [info] 38634#0: *6 client connected to
> 2007/08/16 16:06:48 [error] 38634#0: *6 upstream sent invalid response:
> "LOGIN BAD Protocol Error: "Unknown command found"." while reading
> response from upstream, client: , server: , login: "", upstream:
>
> If I trace nginx, I see the following IO:
> 38634 nginx GIO fd 8 read 103 bytes
> "* OK Microsoft Exchange Server 2003 IMAP4rev1 server version
> 6.5.7638.\
> 1 (MAILSRV) ready.\r
> "
> 38634 nginx RET recvfrom 103/0x67
> 38634 nginx CALL sendto(0x8,0x3f1140,0xb,0,0,0)
> 38634 nginx GIO fd 8 wrote 11 bytes
> "LOGIN {6}\r
> "
> 38634 nginx RET sendto 11/0xb
> 38634 nginx CALL kevent(0x7,0x40c000,0,0x414000,0x200,0x7fdffffe3b0)
> 38634 nginx RET kevent 2
> 38634 nginx CALL gettimeofday(0x7fdffffe250,0)
> 38634 nginx RET gettimeofday 0
> 38634 nginx CALL recvfrom(0x8,0x47c000,0x2000,0,0,0)
> 38634 nginx GIO fd 8 read 38 bytes
> "+ Ready for additional command text.\r
> "
> 38634 nginx RET recvfrom 38/0x26
> 38634 nginx CALL sendto(0x8,0x3f1170,0x6,0,0,0)
> 38634 nginx GIO fd 8 wrote 6 bytes
> " {8}\r
> "
> 38634 nginx RET sendto 6
> 38634 nginx CALL kevent(0x7,0x40c000,0,0x414000,0x200,0x7fdffffe3b0)
> 38634 nginx RET kevent 2
> 38634 nginx CALL gettimeofday(0x7fdffffe250,0)
> 38634 nginx RET gettimeofday 0
> 38634 nginx CALL recvfrom(0x8,0x47c000,0x2000,0,0,0)
> 38634 nginx GIO fd 8 read 52 bytes
> "LOGIN BAD Protocol Error: "Unknown command found".\r
> "
>
> The OS is FreeBSD/sparc64, version 6-STABLE, nginx linked statically (if
> that counts).
Try the attached patch.
--
Igor Sysoev
http://sysoev.ru/en/
-------------- next part --------------
Index: src/http/ngx_http_script.c
===================================================================
--- src/http/ngx_http_script.c (revision 724)
+++ src/http/ngx_http_script.c (working copy)
@@ -1191,7 +1191,7 @@
if (value && !value->not_found) {
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, e->request->connection->log, 0,
- "http script var: \"%V\"", value);
+ "http script var: \"%v\"", value);
*e->sp = *value;
e->sp++;
Index: src/http/modules/ngx_http_limit_zone_module.c
===================================================================
--- src/http/modules/ngx_http_limit_zone_module.c (revision 724)
+++ src/http/modules/ngx_http_limit_zone_module.c (working copy)
@@ -141,7 +141,7 @@
if (len > 255) {
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"the value of the \"%V\" variable "
- "is more than 255 bytes: \"%V\"",
+ "is more than 255 bytes: \"%v\"",
&ctx->var, vv);
return NGX_DECLINED;
}
Index: src/http/modules/ngx_http_geo_module.c
===================================================================
--- src/http/modules/ngx_http_geo_module.c (revision 724)
+++ src/http/modules/ngx_http_geo_module.c (working copy)
@@ -86,7 +86,7 @@
*v = *vv;
ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
- "http geo: %V %V", &r->connection->addr_text, v);
+ "http geo: %V %v", &r->connection->addr_text, v);
return NGX_OK;
}
@@ -100,8 +100,8 @@
ngx_conf_t save;
ngx_pool_t *pool;
ngx_radix_tree_t *tree;
+ ngx_http_variable_t *var;
ngx_http_geo_conf_ctx_t ctx;
- ngx_http_variable_t *var;
value = cf->args->elts;
@@ -285,9 +285,8 @@
ngx_radix32tree_find(ctx->tree, cidrin.addr & cidrin.mask);
ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
- "duplicate parameter \"%V\", value: \"%V\", "
- "old value: \"%V\"",
- &value[0], var, old);
+ "duplicate parameter \"%V\", value: \"%v\", old value: \"%v\"",
+ &value[0], var, old);
rc = ngx_radix32tree_delete(ctx->tree, cidrin.addr, cidrin.mask);
Index: src/http/modules/ngx_http_map_module.c
===================================================================
--- src/http/modules/ngx_http_map_module.c (revision 724)
+++ src/http/modules/ngx_http_map_module.c (working copy)
@@ -151,7 +151,7 @@
}
ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
- "http map: \"%V\" \"%V\"", vv, v);
+ "http map: \"%v\" \"%v\"", vv, v);
return NGX_OK;
}
Index: src/core/ngx_string.c
===================================================================
--- src/core/ngx_string.c (revision 724)
+++ src/core/ngx_string.c (working copy)
@@ -59,8 +59,9 @@
* %P ngx_pid_t
* %M ngx_msec_t
* %r rlim_t
- * %p pointer
- * %V pointer to ngx_str_t
+ * %p void *
+ * %V ngx_str_t *
+ * %v ngx_variable_value_t *
* %s null-terminated string
* %Z '\0'
* %N '\n'
@@ -117,7 +118,8 @@
uint64_t ui64;
ngx_msec_t ms;
ngx_uint_t width, sign, hexadecimal, max_width;
- ngx_variable_value_t *v;
+ ngx_str_t *v;
+ ngx_variable_value_t *vv;
static u_char hex[] = "0123456789abcdef";
static u_char HEX[] = "0123456789ABCDEF";
@@ -188,7 +190,7 @@
switch (*fmt) {
case 'V':
- v = va_arg(args, ngx_variable_value_t *);
+ v = va_arg(args, ngx_str_t *);
len = v->len;
len = (buf + len < last) ? len : (size_t) (last - buf);
@@ -198,6 +200,17 @@
continue;
+ case 'v':
+ vv = va_arg(args, ngx_variable_value_t *);
+
+ len = vv->len;
+ len = (buf + len < last) ? len : (size_t) (last - buf);
+
+ buf = ngx_cpymem(buf, vv->data, len);
+ fmt++;
+
+ continue;
+
case 's':
p = va_arg(args, u_char *);
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