1 files changed, 124 insertions, 0 deletions
diff --git a/src/smtp/smtp_state.c b/src/smtp/smtp_state.c
new file mode 100644
index 0000000..6b81fa4
--- /dev/null
+++ b/src/smtp/smtp_state.c
@@ -0,0 +1,124 @@
+/*++
+/* NAME
+/*	smtp_state 3
+/* SUMMARY
+/*	initialize/cleanup shared state
+/* SYNOPSIS
+/*	#include "smtp.h"
+/*
+/*	SMTP_STATE *smtp_state_alloc()
+/*
+/*	void	smtp_state_free(state)
+/*	SMTP_STATE *state;
+/* DESCRIPTION
+/*	smtp_state_init() initializes the shared state, and allocates
+/*	memory for buffers etc.
+/*
+/*	smtp_cleanup() destroys memory allocated by smtp_state_init().
+/* STANDARDS
+/* DIAGNOSTICS
+/* BUGS
+/* SEE ALSO
+/* LICENSE
+/* .ad
+/* .fi
+/*	The Secure Mailer license must be distributed with this software.
+/* AUTHOR(S)
+/*	Wietse Venema
+/*	IBM T.J. Watson Research
+/*	P.O. Box 704
+/*	Yorktown Heights, NY 10598, USA
+/*
+/*	Wietse Venema
+/*	Google, Inc.
+/*	111 8th Avenue
+/*	New York, NY 10011, USA
+/*--*/
+
+/* System library. */
+
+#include <sys_defs.h>
+
+/* Utility library. */
+
+#include <mymalloc.h>
+#include <vstring.h>
+#include <msg.h>
+
+/* Global library. */
+
+#include <mail_params.h>
+#include <debug_peer.h>
+
+/* Application-specific. */
+
+#include "smtp.h"
+#include "smtp_sasl.h"
+
+/* smtp_state_alloc - initialize */
+
+SMTP_STATE *smtp_state_alloc(void)
+{
+    SMTP_STATE *state = (SMTP_STATE *) mymalloc(sizeof(*state));
+
+    state->misc_flags = 0;
+    state->src = 0;
+    state->service = 0;
+    state->request = 0;
+    state->session = 0;
+    state->status = 0;
+    state->space_left = 0;
+    state->iterator->request_nexthop = vstring_alloc(100);
+    state->iterator->dest = vstring_alloc(100);
+    state->iterator->host = vstring_alloc(100);
+    state->iterator->addr = vstring_alloc(100);
+    state->iterator->saved_dest = vstring_alloc(100);
+    if (var_smtp_cache_conn) {
+	state->dest_label = vstring_alloc(10);
+	state->dest_prop = vstring_alloc(10);
+	state->endp_label = vstring_alloc(10);
+	state->endp_prop = vstring_alloc(10);
+	state->cache_used = htable_create(1);
+    } else {
+	state->dest_label = 0;
+	state->dest_prop = 0;
+	state->endp_label = 0;
+	state->endp_prop = 0;
+	state->cache_used = 0;
+    }
+    state->why = dsb_create();
+    state->debug_peer_per_nexthop = 0;
+    state->logged_line_length_limit = 0;
+    return (state);
+}
+
+/* smtp_state_free - destroy state */
+
+void    smtp_state_free(SMTP_STATE *state)
+{
+#ifdef USE_TLS
+    /* The TLS policy cache lifetime is one delivery. */
+    smtp_tls_policy_cache_flush();
+#endif
+    vstring_free(state->iterator->request_nexthop);
+    vstring_free(state->iterator->dest);
+    vstring_free(state->iterator->host);
+    vstring_free(state->iterator->addr);
+    vstring_free(state->iterator->saved_dest);
+    if (state->dest_label)
+	vstring_free(state->dest_label);
+    if (state->dest_prop)
+	vstring_free(state->dest_prop);
+    if (state->endp_label)
+	vstring_free(state->endp_label);
+    if (state->endp_prop)
+	vstring_free(state->endp_prop);
+    if (state->cache_used)
+	htable_free(state->cache_used, (void (*) (void *)) 0);
+    if (state->why)
+	dsb_free(state->why);
+    if (state->debug_peer_per_nexthop)
+	debug_peer_restore();
+
+    myfree((void *) state);
+}