X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/9a26b6b229299c6106f5ab917220f39277b21713..8800895ae8a1e9c49c739839a6623292d7a473d0:/src/src/acl.c

diff --git a/src/src/acl.c b/src/src/acl.c
index adaea7b23..06fa6e898 100644
--- a/src/src/acl.c
+++ b/src/src/acl.c
@@ -1,4 +1,4 @@
-/* $Cambridge: exim/src/src/acl.c,v 1.40 2005/06/20 13:58:22 ph10 Exp $ */
+/* $Cambridge: exim/src/src/acl.c,v 1.47 2005/09/12 10:08:54 ph10 Exp $ */
 
 /*************************************************
 *     Exim - an Internet mail transport agent    *
@@ -140,13 +140,16 @@ enum {
 #endif
   CONTROL_ERROR, CONTROL_CASEFUL_LOCAL_PART, CONTROL_CASELOWER_LOCAL_PART,
   CONTROL_ENFORCE_SYNC, CONTROL_NO_ENFORCE_SYNC, CONTROL_FREEZE,
-  CONTROL_QUEUE_ONLY, CONTROL_SUBMISSION,
+  CONTROL_QUEUE_ONLY, CONTROL_SUBMISSION, CONTROL_SUPPRESS_LOCAL_FIXUPS,
 #ifdef WITH_CONTENT_SCAN
   CONTROL_NO_MBOX_UNSPOOL,
 #endif
   CONTROL_FAKEDEFER, CONTROL_FAKEREJECT, CONTROL_NO_MULTILINE };
 
-/* ACL control names; keep in step with the table above! */
+/* ACL control names; keep in step with the table above! This list is used for
+turning ids into names. The actual list of recognized names is in the variable
+control_def controls_list[] below. The fact that there are two lists is a mess
+and should be tidied up. */
 
 static uschar *controls[] = {
   #ifdef EXPERIMENTAL_BRIGHTMAIL
@@ -157,10 +160,11 @@ static uschar *controls[] = {
   #endif
   US"error", US"caseful_local_part",
   US"caselower_local_part", US"enforce_sync", US"no_enforce_sync", US"freeze",
-  US"queue_only", US"submission",
+  US"queue_only", US"submission", US"suppress_local_fixups",
   #ifdef WITH_CONTENT_SCAN
   US"no_mbox_unspool",
   #endif
+
   US"no_multiline"};
 
 /* Flags to indicate for which conditions /modifiers a string expansion is done
@@ -482,6 +486,10 @@ static unsigned int control_forbids[] = {
   ~((1<<ACL_WHERE_MAIL)|(1<<ACL_WHERE_RCPT)|       /* submission */
     (1<<ACL_WHERE_PREDATA)),
 
+  (unsigned int)
+  ~((1<<ACL_WHERE_MAIL)|(1<<ACL_WHERE_RCPT)|       /* suppress_local_fixups */
+    (1<<ACL_WHERE_NOTSMTP)|(1<<ACL_WHERE_PREDATA)),
+
 #ifdef WITH_CONTENT_SCAN
   (unsigned int)
   ~((1<<ACL_WHERE_MAIL)|(1<<ACL_WHERE_RCPT)|       /* no_mbox_unspool */
@@ -512,24 +520,25 @@ typedef struct control_def {
 
 static control_def controls_list[] = {
 #ifdef EXPERIMENTAL_BRIGHTMAIL
-  { US"bmi_run",                CONTROL_BMI_RUN, FALSE},
+  { US"bmi_run",                CONTROL_BMI_RUN, FALSE },
 #endif
 #ifdef EXPERIMENTAL_DOMAINKEYS
-  { US"dk_verify",              CONTROL_DK_VERIFY, FALSE},
-#endif
-  { US"caseful_local_part",     CONTROL_CASEFUL_LOCAL_PART, FALSE},
-  { US"caselower_local_part",   CONTROL_CASELOWER_LOCAL_PART, FALSE},
-  { US"enforce_sync",           CONTROL_ENFORCE_SYNC, FALSE},
-  { US"freeze",                 CONTROL_FREEZE, FALSE},
-  { US"no_enforce_sync",        CONTROL_NO_ENFORCE_SYNC, FALSE},
-  { US"no_multiline_responses", CONTROL_NO_MULTILINE, FALSE},
-  { US"queue_only",             CONTROL_QUEUE_ONLY, FALSE},
+  { US"dk_verify",              CONTROL_DK_VERIFY, FALSE },
+#endif
+  { US"caseful_local_part",     CONTROL_CASEFUL_LOCAL_PART, FALSE },
+  { US"caselower_local_part",   CONTROL_CASELOWER_LOCAL_PART, FALSE },
+  { US"enforce_sync",           CONTROL_ENFORCE_SYNC, FALSE },
+  { US"freeze",                 CONTROL_FREEZE, FALSE },
+  { US"no_enforce_sync",        CONTROL_NO_ENFORCE_SYNC, FALSE },
+  { US"no_multiline_responses", CONTROL_NO_MULTILINE, FALSE },
+  { US"queue_only",             CONTROL_QUEUE_ONLY, FALSE },
 #ifdef WITH_CONTENT_SCAN
-  { US"no_mbox_unspool",        CONTROL_NO_MBOX_UNSPOOL, FALSE},
+  { US"no_mbox_unspool",        CONTROL_NO_MBOX_UNSPOOL, FALSE },
 #endif
-  { US"fakedefer",              CONTROL_FAKEDEFER, TRUE},
-  { US"fakereject",             CONTROL_FAKEREJECT, TRUE},
-  { US"submission",             CONTROL_SUBMISSION, TRUE}
+  { US"fakedefer",              CONTROL_FAKEDEFER, TRUE },
+  { US"fakereject",             CONTROL_FAKEREJECT, TRUE },
+  { US"submission",             CONTROL_SUBMISSION, TRUE },
+  { US"suppress_local_fixups",  CONTROL_SUPPRESS_LOCAL_FIXUPS, FALSE }
   };
 
 /* Support data structures for Client SMTP Authorization. acl_verify_csa()
@@ -1338,6 +1347,7 @@ BOOL verify_header_sender = FALSE;
 BOOL defer_ok = FALSE;
 BOOL callout_defer_ok = FALSE;
 BOOL no_details = FALSE;
+BOOL success_on_redirect = FALSE;
 address_item *sender_vaddr = NULL;
 uschar *verify_sender_address = NULL;
 uschar *pm_mailfrom = NULL;
@@ -1375,12 +1385,16 @@ if (strcmpic(ss, US"certificate") == 0)
   return FAIL;
   }
 
-/* We can test the result of optional HELO verification */
+/* We can test the result of optional HELO verification that might have
+occurred earlier. If not, we can attempt the verification now. */
 
 if (strcmpic(ss, US"helo") == 0)
   {
   if (slash != NULL) goto NO_OPTIONS;
-  return helo_verified? OK : FAIL;
+  if (helo_verified) return OK;
+  if (helo_verify_failed) return FAIL;
+  if (smtp_verify_helo()) return helo_verified? OK : FAIL;
+  return DEFER;
   }
 
 /* Do Client SMTP Authorization checks in a separate function, and turn the
@@ -1404,18 +1418,29 @@ always). */
 if (strcmpic(ss, US"header_syntax") == 0)
   {
   if (slash != NULL) goto NO_OPTIONS;
-  if (where != ACL_WHERE_DATA && where != ACL_WHERE_NOTSMTP)
-    {
-    *log_msgptr = string_sprintf("cannot check header contents in ACL for %s "
-      "(only possible in ACL for DATA)", acl_wherenames[where]);
-    return ERROR;
-    }
+  if (where != ACL_WHERE_DATA && where != ACL_WHERE_NOTSMTP) goto WRONG_ACL;
   rc = verify_check_headers(log_msgptr);
   if (rc != OK && smtp_return_error_details && *log_msgptr != NULL)
     *user_msgptr = string_sprintf("Rejected after DATA: %s", *log_msgptr);
   return rc;
   }
 
+/* Check that no recipient of this message is "blind", that is, every envelope
+recipient must be mentioned in either To: or Cc:. */
+
+if (strcmpic(ss, US"not_blind") == 0)
+  {
+  if (slash != NULL) goto NO_OPTIONS;
+  if (where != ACL_WHERE_DATA && where != ACL_WHERE_NOTSMTP) goto WRONG_ACL;
+  rc = verify_check_notblind();
+  if (rc != OK)
+    {
+    *log_msgptr = string_sprintf("bcc recipient detected");
+    if (smtp_return_error_details)
+      *user_msgptr = string_sprintf("Rejected after DATA: %s", *log_msgptr);
+    }
+  return rc;
+  }
 
 /* The remaining verification tests check recipient and sender addresses,
 either from the envelope or from the header. There are a number of
@@ -1428,12 +1453,7 @@ sender and recipient. */
 
 if (strcmpic(ss, US"header_sender") == 0)
   {
-  if (where != ACL_WHERE_DATA && where != ACL_WHERE_NOTSMTP)
-    {
-    *log_msgptr = string_sprintf("cannot check header contents in ACL for %s "
-      "(only possible in ACL for DATA)", acl_wherenames[where]);
-    return ERROR;
-    }
+  if (where != ACL_WHERE_DATA && where != ACL_WHERE_NOTSMTP) goto WRONG_ACL;
   verify_header_sender = TRUE;
   }
 
@@ -1480,6 +1500,7 @@ while ((ss = string_nextinlist(&list, &sep, big_buffer, big_buffer_size))
   {
   if (strcmpic(ss, US"defer_ok") == 0) defer_ok = TRUE;
   else if (strcmpic(ss, US"no_details") == 0) no_details = TRUE;
+  else if (strcmpic(ss, US"success_on_redirect") == 0) success_on_redirect = TRUE;
 
   /* These two old options are left for backwards compatibility */
 
@@ -1737,6 +1758,9 @@ else if (verify_sender_address != NULL)
       else
         verify_options |= vopt_fake_sender;
 
+      if (success_on_redirect)
+        verify_options |= vopt_success_on_redirect;
+
       /* The recipient, qualify, and expn options are never set in
       verify_options. */
 
@@ -1788,6 +1812,9 @@ else
   {
   address_item addr2;
 
+  if (success_on_redirect)
+    verify_options |= vopt_success_on_redirect;
+
   /* We must use a copy of the address for verification, because it might
   get rewritten. */
 
@@ -1863,6 +1890,13 @@ NO_OPTIONS:
 *log_msgptr = string_sprintf("unexpected '/' found in \"%s\" "
   "(this verify item has no options)", arg);
 return ERROR;
+
+/* Calls in the wrong ACL come here */
+
+WRONG_ACL:
+*log_msgptr = string_sprintf("cannot check header contents in ACL for %s "
+  "(only possible in ACL for DATA)", acl_wherenames[where]);
+return ERROR;
 }
 
 
@@ -2469,7 +2503,7 @@ for (; cb != NULL; cb = cb->next)
           {
           uschar *pp = p + 6;
           while (*pp != 0 && *pp != '/') pp++;
-          originator_name = string_copy(parse_fix_phrase(p+6, pp-p-6,
+          submission_name = string_copy(parse_fix_phrase(p+6, pp-p-6,
             big_buffer, big_buffer_size));
           p = pp;
           }
@@ -2481,6 +2515,10 @@ for (; cb != NULL; cb = cb->next)
         return ERROR;
         }
       break;
+
+      case CONTROL_SUPPRESS_LOCAL_FIXUPS:
+      suppress_local_fixups = TRUE;
+      break;
       }
     break;
 
@@ -3132,7 +3170,7 @@ if (Ustrchr(ss, ' ') == NULL)
       return ERROR;
       }
     acl_text[statbuf.st_size] = 0;
-    close(fd);
+    (void)close(fd);
 
     acl_name = string_sprintf("ACL \"%s\"", ss);
     HDEBUG(D_acl) debug_printf("read ACL from file %s\n", ss);
@@ -3319,7 +3357,7 @@ acl_check_internal() to do the actual work.
 
 Arguments:
   where        ACL_WHERE_xxxx indicating where called from
-  data_string  RCPT address, or SMTP command argument, or NULL
+  recipient    RCPT address for RCPT check, else NULL
   s            the input string; NULL is the same as an empty ACL => DENY
   user_msgptr  where to put a user error (for SMTP response)
   log_msgptr   where to put a logging message (not for SMTP response)
@@ -3333,12 +3371,12 @@ Returns:       OK         access is granted by an ACCEPT verb
 */
 
 int
-acl_check(int where, uschar *data_string, uschar *s, uschar **user_msgptr,
+acl_check(int where, uschar *recipient, uschar *s, uschar **user_msgptr,
   uschar **log_msgptr)
 {
 int rc;
 address_item adb;
-address_item *addr;
+address_item *addr = NULL;
 
 *user_msgptr = *log_msgptr = NULL;
 sender_verified_failed = NULL;
@@ -3348,7 +3386,7 @@ if (where == ACL_WHERE_RCPT)
   {
   adb = address_defaults;
   addr = &adb;
-  addr->address = data_string;
+  addr->address = recipient;
   if (deliver_split_address(addr) == DEFER)
     {
     *log_msgptr = US"defer in percent_hack_domains check";
@@ -3357,16 +3395,11 @@ if (where == ACL_WHERE_RCPT)
   deliver_domain = addr->domain;
   deliver_localpart = addr->local_part;
   }
-else
-  {
-  addr = NULL;
-  smtp_command_argument = data_string;
-  }
 
 rc = acl_check_internal(where, addr, s, 0, user_msgptr, log_msgptr);
 
-smtp_command_argument = deliver_domain =
-  deliver_localpart = deliver_address_data = sender_address_data = NULL;
+deliver_domain = deliver_localpart = deliver_address_data =
+  sender_address_data = NULL;
 
 /* A DISCARD response is permitted only for message ACLs, excluding the PREDATA
 ACL, which is really in the middle of an SMTP command. */