X-Git-Url: https://vcs.fsf.org/?a=blobdiff_plain;f=src%2Fsrc%2Fchild.c;h=2262678eb47c5716e577ea0ecde7f86c2aca8e51;hb=d7625a4d832fb661474dc89c656b05dc42397a83;hp=c02264a005a477d2edf8c67a648df41645681a3a;hpb=55414b25bee9f0195ccd1e47f3d3b5cba766e099;p=exim.git diff --git a/src/src/child.c b/src/src/child.c index c02264a00..2262678eb 100644 --- a/src/src/child.c +++ b/src/src/child.c @@ -2,7 +2,7 @@ * Exim - an Internet mail transport agent * *************************************************/ -/* Copyright (c) University of Cambridge 1995 - 2009 */ +/* Copyright (c) University of Cambridge 1995 - 2015 */ /* See the file NOTICE for conditions of use and distribution. */ @@ -10,6 +10,10 @@ static void (*oldsignal)(int); +#if defined(SUPPORT_TLS) && defined(EXPERIMENTAL_REQUIRETLS) +static uschar tls_requiretls_copy = 0; +#endif + /************************************************* * Ensure an fd has a given value * @@ -72,9 +76,14 @@ child_exec_exim(int exec_type, BOOL kill_v, int *pcount, BOOL minimal, { int first_special = -1; int n = 0; -int extra = (pcount != NULL)? *pcount : 0; -uschar **argv = - store_get((extra + acount + MAX_CLMACROS + 16) * sizeof(char *)); +int extra = pcount ? *pcount : 0; +uschar **argv; + +#if defined(SUPPORT_TLS) && defined(EXPERIMENTAL_REQUIRETLS) +if (tls_requiretls) extra++; +#endif + +argv = store_get((extra + acount + MAX_CLMACROS + 18) * sizeof(char *)); /* In all case, the list starts out with the path, any macros, and a changed config file. */ @@ -85,7 +94,7 @@ if (clmacro_count > 0) memcpy(argv + n, clmacros, clmacro_count * sizeof(uschar *)); n += clmacro_count; } -if (config_changed) +if (f.config_changed) { argv[n++] = US"-C"; argv[n++] = config_main_filename; @@ -108,13 +117,23 @@ if (!minimal) if (debug_selector != 0) argv[n++] = string_sprintf("-d=0x%x", debug_selector); } - if (dont_deliver) argv[n++] = US"-N"; - if (queue_smtp) argv[n++] = US"-odqs"; - if (synchronous_delivery) argv[n++] = US"-odi"; + if (f.dont_deliver) argv[n++] = US"-N"; + if (f.queue_smtp) argv[n++] = US"-odqs"; + if (f.synchronous_delivery) argv[n++] = US"-odi"; if (connection_max_messages >= 0) argv[n++] = string_sprintf("-oB%d", connection_max_messages); + if (*queue_name) + { + argv[n++] = US"-MCG"; + argv[n++] = queue_name; + } } +#if defined(SUPPORT_TLS) && defined(EXPERIMENTAL_REQUIRETLS) +if (tls_requiretls_copy & REQUIRETLS_MSG) + argv[n++] = US"-MS"; +#endif + /* Now add in any others that are in the call. Remember which they were, for more helpful diagnosis on failure. */ @@ -217,17 +236,20 @@ pid = fork(); /* Child process: make the reading end of the pipe into the standard input and close the writing end. If debugging, pass debug_fd as stderr. Then re-exec -Exim with appropriat options. In the test harness, use -odi unless queue_only +Exim with appropriate options. In the test harness, use -odi unless queue_only is set, so that the bounce is fully delivered before returning. Failure is signalled with EX_EXECFAILED (specified by CEE_EXEC_EXIT), but this shouldn't occur. */ if (pid == 0) { +#if defined(SUPPORT_TLS) && defined(EXPERIMENTAL_REQUIRETLS) + tls_requiretls_copy = tls_requiretls; +#endif force_fd(pfd[pipe_read], 0); (void)close(pfd[pipe_write]); if (debug_fd > 0) force_fd(debug_fd, 2); - if (running_in_test_harness && !queue_only) + if (f.running_in_test_harness && !queue_only) { if (sender_authentication != NULL) child_exec_exim(CEE_EXEC_EXIT, FALSE, NULL, FALSE, 9, @@ -485,7 +507,7 @@ int yield; if (timeout > 0) { sigalrm_seen = FALSE; - alarm(timeout); + ALARM(timeout); } for(;;) @@ -495,18 +517,23 @@ for(;;) if (rc == pid) { int lowbyte = status & 255; - if (lowbyte == 0) yield = (status >> 8) & 255; - else yield = -lowbyte; + yield = lowbyte == 0 ? (status >> 8) & 255 : -lowbyte; break; } if (rc < 0) { - yield = (errno == EINTR && sigalrm_seen)? -256 : -257; + /* This "shouldn't happen" test does happen on MacOS: for some reason + I do not understand we seems to get an alarm signal despite not having + an active alarm set. There seems to be only one, so just go round again. */ + + if (errno == EINTR && sigalrm_seen && timeout <= 0) continue; + + yield = (errno == EINTR && sigalrm_seen) ? -256 : -257; break; } } -if (timeout > 0) alarm(0); +if (timeout > 0) ALARM_CLR(0); signal(SIGCHLD, oldsignal); /* restore */ return yield;