diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/src/match.c | 53 |
1 files changed, 49 insertions, 4 deletions
diff --git a/src/src/match.c b/src/src/match.c index 01b52ed0e..ae1d90149 100644 --- a/src/src/match.c +++ b/src/src/match.c @@ -1,4 +1,4 @@ -/* $Cambridge: exim/src/src/match.c,v 1.17 2007/01/08 10:50:18 ph10 Exp $ */ +/* $Cambridge: exim/src/src/match.c,v 1.18 2007/06/26 09:23:34 ph10 Exp $ */ /************************************************* * Exim - an Internet mail transport agent * @@ -444,6 +444,8 @@ int yield = OK; unsigned int *original_cache_bits = *cache_ptr; BOOL include_unknown = FALSE; BOOL ignore_unknown = FALSE; +BOOL include_defer = FALSE; +BOOL ignore_defer = FALSE; uschar *list; uschar *sss; uschar *ot = NULL; @@ -553,10 +555,11 @@ while ((sss = string_nextinlist(&list, &sep, buffer, sizeof(buffer))) != NULL) } } - /* If the host item is "+include_unknown", remember it in case there's a - subsequent failed reverse lookup. */ + /* If the host item is "+include_unknown" or "+ignore_unknown", remember it + in case there's a subsequent failed reverse lookup. There is similar + processing for "defer". */ - else if (type == MCL_HOST) + else if (type == MCL_HOST && *ss == '+') { if (Ustrcmp(ss, "+include_unknown") == 0) { @@ -570,6 +573,18 @@ while ((sss = string_nextinlist(&list, &sep, buffer, sizeof(buffer))) != NULL) include_unknown = FALSE; continue; } + if (Ustrcmp(ss, "+include_defer") == 0) + { + include_defer = TRUE; + ignore_defer = FALSE; + continue; + } + if (Ustrcmp(ss, "+ignore_defer") == 0) + { + ignore_defer = TRUE; + include_defer = FALSE; + continue; + } } /* Starting with ! specifies a negative item. It is theoretically possible @@ -724,6 +739,21 @@ while ((sss = string_nextinlist(&list, &sep, buffer, sizeof(buffer))) != NULL) return yield; case DEFER: + if (error == NULL) + error = string_sprintf("DNS lookup of %s deferred", ss); + if (ignore_defer) + { + HDEBUG(D_lists) debug_printf("%s: item ignored by +ignore_defer\n", + error); + break; + } + HDEBUG(D_lists) debug_printf("%s %s (%s)\n", ot, + include_defer? "yes":"no", error); + if (include_defer) + { + log_write(0, LOG_MAIN, "%s: accepted by +include_defer", error); + return OK; + } goto DEFER_RETURN; /* The ERROR return occurs when checking hosts, when either a forward @@ -823,7 +853,22 @@ while ((sss = string_nextinlist(&list, &sep, buffer, sizeof(buffer))) != NULL) return file_yield; case DEFER: + if (error == NULL) + error = string_sprintf("DNS lookup of %s deferred", ss); + if (ignore_defer) + { + HDEBUG(D_lists) debug_printf("%s: item ignored by +ignore_defer\n", + error); + break; + } (void)fclose(f); + HDEBUG(D_lists) debug_printf("%s %s (%s)\n", ot, + include_defer? "yes":"no", error); + if (include_defer) + { + log_write(0, LOG_MAIN, "%s: accepted by +include_defer", error); + return OK; + } goto DEFER_RETURN; case ERROR: /* host name lookup failed - this can only */ |