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sendmail/SOURCES/sendmail-8.15.2-smtp-sessio...

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diff -ru a/sendmail/deliver.c b/sendmail/deliver.c
--- a/sendmail/deliver.c 2016-02-29 06:01:55.000000000 -0800
+++ b/sendmail/deliver.c 2016-02-29 06:02:06.000000000 -0800
@@ -6274,8 +6274,7 @@
tlslogerr(LOG_WARNING, "client");
}
- SSL_free(clt_ssl);
- clt_ssl = NULL;
+ SM_SSL_FREE(clt_ssl);
return EX_SOFTWARE;
}
mci->mci_ssl = clt_ssl;
@@ -6287,8 +6286,7 @@
return EX_OK;
/* failure */
- SSL_free(clt_ssl);
- clt_ssl = NULL;
+ SM_SSL_FREE(clt_ssl);
return EX_SOFTWARE;
}
/*
@@ -6309,7 +6307,7 @@
if (!bitset(MCIF_TLSACT, mci->mci_flags))
return EX_OK;
- r = endtls(mci->mci_ssl, "client");
+ r = endtls(&mci->mci_ssl, "client");
mci->mci_flags &= ~MCIF_TLSACT;
return r;
}
diff -ru a/sendmail/macro.c b/sendmail/macro.c
--- a/sendmail/macro.c 2016-02-29 06:01:55.000000000 -0800
+++ b/sendmail/macro.c 2016-02-29 06:02:06.000000000 -0800
@@ -362,6 +362,33 @@
}
/*
+** MACTABCLEAR -- clear entire macro table
+**
+** Parameters:
+** mac -- Macro table.
+**
+** Returns:
+** none.
+**
+** Side Effects:
+** clears entire mac structure including rpool pointer!
+*/
+
+void
+mactabclear(mac)
+ MACROS_T *mac;
+{
+ int i;
+
+ if (mac->mac_rpool == NULL)
+ {
+ for (i = 0; i < MAXMACROID; i++)
+ SM_FREE_CLR(mac->mac_table[i]);
+ }
+ memset((char *) mac, '\0', sizeof(*mac));
+}
+
+/*
** MACDEFINE -- bind a macro name to a value
**
** Set a macro to a value, with fancy storage management.
diff -ru a/sendmail/mci.c b/sendmail/mci.c
--- a/sendmail/mci.c 2016-02-29 06:01:55.000000000 -0800
+++ b/sendmail/mci.c 2016-02-29 06:02:06.000000000 -0800
@@ -25,6 +25,7 @@
int, bool));
static bool mci_load_persistent __P((MCI *));
static void mci_uncache __P((MCI **, bool));
+static void mci_clear __P((MCI *));
static int mci_lock_host_statfile __P((MCI *));
static int mci_read_persistent __P((SM_FILE_T *, MCI *));
@@ -253,6 +254,7 @@
SM_FREE_CLR(mci->mci_status);
SM_FREE_CLR(mci->mci_rstatus);
SM_FREE_CLR(mci->mci_heloname);
+ mci_clear(mci);
if (mci->mci_rpool != NULL)
{
sm_rpool_free(mci->mci_rpool);
@@ -315,6 +317,41 @@
}
/*
+** MCI_CLEAR -- clear mci
+**
+** Parameters:
+** mci -- the connection to clear.
+**
+** Returns:
+** none.
+*/
+
+static void
+mci_clear(mci)
+ MCI *mci;
+{
+ if (mci == NULL)
+ return;
+
+ mci->mci_maxsize = 0;
+ mci->mci_min_by = 0;
+ mci->mci_deliveries = 0;
+#if SASL
+ if (bitset(MCIF_AUTHACT, mci->mci_flags))
+ sasl_dispose(&mci->mci_conn);
+#endif
+#if STARTTLS
+ if (bitset(MCIF_TLSACT, mci->mci_flags) && mci->mci_ssl != NULL)
+ SM_SSL_FREE(mci->mci_ssl);
+#endif
+
+ /* which flags to preserve? */
+ mci->mci_flags &= MCIF_CACHED;
+ mactabclear(&mci->mci_macro);
+}
+
+
+/*
** MCI_GET -- get information about a particular host
**
** Parameters:
@@ -419,6 +456,7 @@
mci->mci_errno = 0;
mci->mci_exitstat = EX_OK;
}
+ mci_clear(mci);
}
return mci;
diff -ru a/sendmail/sendmail.h b/sendmail/sendmail.h
--- a/sendmail/sendmail.h 2016-02-29 06:01:55.000000000 -0800
+++ b/sendmail/sendmail.h 2016-02-29 06:02:06.000000000 -0800
@@ -1186,6 +1186,7 @@
#define macid(name) macid_parse(name, NULL)
extern char *macname __P((int));
extern char *macvalue __P((int, ENVELOPE *));
+extern void mactabclear __P((MACROS_T *));
extern int rscheck __P((char *, char *, char *, ENVELOPE *, int, int, char *, char *, ADDRESS *, char **));
extern int rscap __P((char *, char *, char *, ENVELOPE *, char ***, char *, int));
extern void setclass __P((int, char *));
@@ -2002,7 +2003,15 @@
extern void setclttls __P((bool));
extern bool initsrvtls __P((bool));
extern int tls_get_info __P((SSL *, bool, char *, MACROS_T *, bool));
-extern int endtls __P((SSL *, char *));
+#define SM_SSL_FREE(ssl) \
+ do { \
+ if (ssl != NULL) \
+ { \
+ SSL_free(ssl); \
+ ssl = NULL; \
+ } \
+ } while (0)
+extern int endtls __P((SSL **, char *));
extern void tlslogerr __P((int, const char *));
diff -ru a/sendmail/srvrsmtp.c b/sendmail/srvrsmtp.c
--- a/sendmail/srvrsmtp.c 2016-02-29 06:01:55.000000000 -0800
+++ b/sendmail/srvrsmtp.c 2016-02-29 06:02:06.000000000 -0800
@@ -2122,8 +2122,7 @@
if (get_tls_se_options(e, srv_ssl, true) != 0)
{
message("454 4.3.3 TLS not available: error setting options");
- SSL_free(srv_ssl);
- srv_ssl = NULL;
+ SM_SSL_FREE(srv_ssl);
goto tls_done;
}
@@ -2145,8 +2144,7 @@
SSL_set_wfd(srv_ssl, wfd) <= 0)
{
message("454 4.3.3 TLS not available: error set fd");
- SSL_free(srv_ssl);
- srv_ssl = NULL;
+ SM_SSL_FREE(srv_ssl);
goto tls_done;
}
if (!smtps)
@@ -2188,8 +2186,7 @@
tlslogerr(LOG_WARNING, "server");
}
tls_ok_srv = false;
- SSL_free(srv_ssl);
- srv_ssl = NULL;
+ SM_SSL_FREE(srv_ssl);
/*
** according to the next draft of
@@ -3416,7 +3413,7 @@
/* shutdown TLS connection */
if (tls_active)
{
- (void) endtls(srv_ssl, "server");
+ (void) endtls(&srv_ssl, "server");
tls_active = false;
}
#endif /* STARTTLS */
diff -ru a/sendmail/tls.c b/sendmail/tls.c
--- a/sendmail/tls.c 2016-02-29 06:01:55.000000000 -0800
+++ b/sendmail/tls.c 2016-02-29 06:02:06.000000000 -0800
@@ -1624,7 +1624,7 @@
** ENDTLS -- shutdown secure connection
**
** Parameters:
-** ssl -- SSL connection information.
+** pssl -- pointer to TLS session context
** side -- server/client (for logging).
**
** Returns:
@@ -1632,12 +1632,16 @@
*/
int
-endtls(ssl, side)
- SSL *ssl;
+endtls(pssl, side)
+ SSL **pssl;
char *side;
{
int ret = EX_OK;
+ SSL *ssl;
+ SM_REQUIRE(pssl != NULL);
+ ret = EX_OK;
+ ssl = *pssl;
if (ssl != NULL)
{
int r;
@@ -1703,8 +1707,7 @@
ret = EX_SOFTWARE;
}
# endif /* !defined(OPENSSL_VERSION_NUMBER) || OPENSSL_VERSION_NUMBER > 0x0090602fL */
- SSL_free(ssl);
- ssl = NULL;
+ SM_SSL_FREE(*pssl);
}
return ret;
}
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