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-rw-r--r--src/smtp/smtp_state.c114
1 files changed, 114 insertions, 0 deletions
diff --git a/src/smtp/smtp_state.c b/src/smtp/smtp_state.c
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+++ b/src/smtp/smtp_state.c
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+/*++
+/* 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
+/*--*/
+
+/* System library. */
+
+#include <sys_defs.h>
+
+/* Utility library. */
+
+#include <mymalloc.h>
+#include <vstring.h>
+#include <msg.h>
+
+/* Global library. */
+
+#include <mail_params.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();
+ 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);
+
+ myfree((void *) state);
+}