From c71c454d483e6bfbecea437978beda69044e5498 Mon Sep 17 00:00:00 2001 From: Jeremy Harris Date: Mon, 23 Dec 2019 22:40:06 +0000 Subject: [PATCH 1/1] tidying --- src/src/auths/dovecot.c | 81 +++++++++++++++++------------------------ src/src/ip.c | 4 ++ 2 files changed, 38 insertions(+), 47 deletions(-) diff --git a/src/src/auths/dovecot.c b/src/src/auths/dovecot.c index 4628863e0..a83fdfded 100644 --- a/src/src/auths/dovecot.c +++ b/src/src/auths/dovecot.c @@ -61,8 +61,7 @@ optionlist auth_dovecot_options[] = { /* Size of the options list. An extern variable has to be used so that its address can appear in the tables drtables.c. */ -int auth_dovecot_options_count = - sizeof(auth_dovecot_options) / sizeof(optionlist); +int auth_dovecot_options_count = nelem(auth_dovecot_options); /* Default private options block for the authentication method. */ @@ -101,14 +100,12 @@ to be set up. */ void auth_dovecot_init(auth_instance *ablock) { - auth_dovecot_options_block *ob = - (auth_dovecot_options_block *)(ablock->options_block); - - if (ablock->public_name == NULL) - ablock->public_name = ablock->name; - if (ob->server_socket != NULL) - ablock->server = TRUE; - ablock->client = FALSE; +auth_dovecot_options_block *ob = + (auth_dovecot_options_block *)(ablock->options_block); + +if (!ablock->public_name) ablock->public_name = ablock->name; +if (ob->server_socket) ablock->server = TRUE; +ablock->client = FALSE; } /************************************************* @@ -139,30 +136,26 @@ for (n = 0; n < nptrs; n++) n = 1; while (*str) - { - if (*str == '\t') - { - if (n <= nptrs) + if (*str++ == '\t') + if (n++ <= nptrs) { *ptrs++ = last_sub_start; - last_sub_start = str + 1; - *str = '\0'; + last_sub_start = str; + str[-1] = '\0'; } - n++; - } - str++; - } /* It's acceptable for the string to end with a tab character. We see this in AUTH PLAIN without an initial response from the client, which causing us to send "334 " and get the data from the client. */ if (n <= nptrs) - *ptrs = last_sub_start; + *ptrs = last_sub_start; else - { - HDEBUG(D_auth) debug_printf("dovecot: warning: too many results from tab-splitting; saw %d fields, room for %d\n", n, nptrs); - n = nptrs; - } + { + HDEBUG(D_auth) + debug_printf("dovecot: warning: too many results from tab-splitting;" + " saw %d fields, room for %d\n", n, nptrs); + n = nptrs; + } return n <= nptrs ? n : nptrs; } @@ -299,7 +292,7 @@ auth_defer_msg = US"authentication socket protocol error"; socket_buffer_left = 0; /* Global, used to read more than a line but return by line */ while (cont) { - if (dc_gets(buffer, sizeof(buffer), fd) == NULL) + if (!dc_gets(buffer, sizeof(buffer), fd)) OUT("authentication socket read error or premature eof"); p = buffer + Ustrlen(buffer) - 1; if (*p != '\n') @@ -308,9 +301,9 @@ while (cont) *p = '\0'; HDEBUG(D_auth) debug_printf("received: %s\n", buffer); - nargs = strcut(buffer, args, sizeof(args) / sizeof(args[0])); + nargs = strcut(buffer, args, nelem(args)); - /* HDEBUG(D_auth) debug_strcut(args, nargs, sizeof(args) / sizeof(args[0])); */ + /* HDEBUG(D_auth) debug_strcut(args, nargs, nelem(args)); */ /* Code below rewritten by Kirill Miazine (km@krot.org). Only check commands that Exim will need. Original code also failed if Dovecot server sent unknown @@ -376,12 +369,12 @@ if (Ustrchr(data, '\t') != NULL) /* Added by PH: extra fields when TLS is in use or if the TCP/IP connection is local. */ -if (tls_in.cipher != NULL) +if (tls_in.cipher) auth_extra_data = string_sprintf("secured\t%s%s", - tls_in.certificate_verified? "valid-client-cert" : "", - tls_in.certificate_verified? "\t" : ""); + tls_in.certificate_verified ? "valid-client-cert" : "", + tls_in.certificate_verified ? "\t" : ""); -else if ( interface_address != NULL +else if ( interface_address && Ustrcmp(sender_host_address, interface_address) == 0) auth_extra_data = US"secured\t"; @@ -418,9 +411,8 @@ while (1) { uschar *temp; uschar *auth_id_pre = NULL; - int i; - if (dc_gets(buffer, sizeof(buffer), fd) == NULL) + if (!dc_gets(buffer, sizeof(buffer), fd)) { auth_defer_msg = US"authentication socket read error or premature eof"; goto out; @@ -428,7 +420,7 @@ while (1) buffer[Ustrlen(buffer) - 1] = 0; HDEBUG(D_auth) debug_printf("received: %s\n", buffer); - nargs = strcut(buffer, args, sizeof(args) / sizeof(args[0])); + nargs = strcut(buffer, args, nelem(args)); if (Uatoi(args[1]) != crequid) OUT("authentication socket connection id mismatch"); @@ -461,17 +453,14 @@ while (1) case 'F': CHECK_COMMAND("FAIL", 1, -1); - for (i=2; (i