From 8c58447646bb27b357aed9c0f88db467dee233f3 Mon Sep 17 00:00:00 2001
From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Wed, 29 Jun 2016 15:19:24 +0100
Subject: [PATCH] [Feature] Add workaround for systems without sane shmem
 support

OSX is so POSIX, such Unix, wow!
---
 src/libutil/http.c | 14 ++++++++++++++
 src/libutil/util.c |  9 +++++++++
 2 files changed, 23 insertions(+)

diff --git a/src/libutil/http.c b/src/libutil/http.c
index b87e02f15..cdd44abb8 100644
--- a/src/libutil/http.c
+++ b/src/libutil/http.c
@@ -1376,6 +1376,10 @@ rspamd_http_connection_read_message_common (struct rspamd_http_connection *conn,
 	priv->msg = req;
 	req->flags = flags;
 
+	if (flags & RSPAMD_HTTP_FLAG_SHMEM) {
+		req->body_buf.c.shared.shm_fd = -1;
+	}
+
 	if (priv->peer_key) {
 		priv->msg->peer_key = priv->peer_key;
 		priv->peer_key = NULL;
@@ -2133,7 +2137,11 @@ rspamd_http_shname_dtor (void *p)
 {
 	struct rspamd_storage_shmem *n = p;
 
+#ifdef HAVE_SANE_SHMEM
 	shm_unlink (n->shm_name);
+#else
+	unlink (n->shm_name);
+#endif
 	g_free (n->shm_name);
 	g_slice_free1 (sizeof (*n), n);
 }
@@ -2167,8 +2175,14 @@ rspamd_http_message_set_body (struct rspamd_http_message *msg,
 	if (msg->flags & RSPAMD_HTTP_FLAG_SHMEM) {
 		storage->shared.name = g_slice_alloc (sizeof (*storage->shared.name));
 		REF_INIT_RETAIN (storage->shared.name, rspamd_http_shname_dtor);
+#ifdef HAVE_SANE_SHMEM
 		storage->shared.name->shm_name = g_strdup ("/rhm.XXXXXXXXXXXXXXXXXXXX");
 		storage->shared.shm_fd = rspamd_shmem_mkstemp (storage->shared.name->shm_name);
+#else
+		/* XXX: assume that tempdir is /tmp */
+		storage->shared.name->shm_name = g_strdup ("/tmp/rhm.XXXXXXXXXXXXXXXXXXXX");
+		storage->shared.shm_fd = mkstemp (storage->shared.name->shm_name);
+#endif
 
 		if (storage->shared.shm_fd == -1) {
 			return FALSE;
diff --git a/src/libutil/util.c b/src/libutil/util.c
index 21a05dadd..f87971980 100644
--- a/src/libutil/util.c
+++ b/src/libutil/util.c
@@ -2282,12 +2282,21 @@ rspamd_shmem_xmap (const char *fname, guint mode,
 	g_assert (fname != NULL);
 	g_assert (size != NULL);
 
+#ifdef HAVE_SANE_SHMEM
 	if (mode & PROT_WRITE) {
 		fd = shm_open (fname, O_RDWR, 0);
 	}
 	else {
 		fd = shm_open (fname, O_RDONLY, 0);
 	}
+#else
+	if (mode & PROT_WRITE) {
+		fd = open (fname, O_RDWR, 0);
+	}
+	else {
+		fd = open (fname, O_RDONLY, 0);
+	}
+#endif
 
 	if (fd == -1) {
 		return NULL;
-- 
2.39.5