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authorJeremy Harris <jgh146exb@wizmail.org>2015-10-03 23:19:58 +0100
committerJeremy Harris <jgh146exb@wizmail.org>2015-10-03 23:19:58 +0100
commit9cd129500a7a12224d77b8bf881e4fbe50ea2ba3 (patch)
tree1c4e4758d9e695fd8af464979a65d61ed3d0ebf6 /src
parent160ef8ca5553207026e24a954cc139dc0cf75640 (diff)
Tidying
Diffstat (limited to 'src')
-rw-r--r--src/src/route.c225
1 files changed, 101 insertions, 124 deletions
diff --git a/src/src/route.c b/src/src/route.c
index 39aed90a3..0d96e2365 100644
--- a/src/src/route.c
+++ b/src/src/route.c
@@ -166,7 +166,7 @@ set_router(router_instance *r, uschar *name, router_instance **ptr, BOOL after)
BOOL afterthis = FALSE;
router_instance *rr;
-for (rr = routers; rr != NULL; rr = rr->next)
+for (rr = routers; rr; rr = rr->next)
{
if (Ustrcmp(name, rr->name) == 0)
{
@@ -176,7 +176,7 @@ for (rr = routers; rr != NULL; rr = rr->next)
if (rr == r) afterthis = TRUE;
}
-if (rr == NULL)
+if (!rr)
log_write(0, LOG_PANIC_DIE|LOG_CONFIG,
"new_router \"%s\" not found for \"%s\" router", name, r->name);
@@ -212,7 +212,7 @@ readconf_driver_init(US"router",
optionlist_routers, /* generic options */
optionlist_routers_size);
-for (r = routers; r != NULL; r = r->next)
+for (r = routers; r; r = r->next)
{
uschar *s = r->self;
@@ -277,12 +277,8 @@ for (r = routers; r != NULL; r = r->next)
if (r->pass_router_name != NULL)
set_router(r, r->pass_router_name, &(r->pass_router), TRUE);
- DEBUG(D_route) {
- if (r->dsn_lasthop == FALSE)
- debug_printf("DSN: %s propagating DSN\n", r->name);
- else
- debug_printf("DSN: %s lasthop set\n", r->name);
- }
+ DEBUG(D_route) debug_printf("DSN: %s %s\n", r->name,
+ r->dsn_lasthop ? "lasthop set" : "propagating DSN");
}
}
@@ -301,8 +297,8 @@ void
route_tidyup(void)
{
router_instance *r;
-for (r = routers; r != NULL; r = r->next)
- if (r->info->tidyup != NULL) (r->info->tidyup)(r);
+for (r = routers; r; r = r->next)
+ if (r->info->tidyup) (r->info->tidyup)(r);
}
@@ -330,8 +326,7 @@ uschar *prefix;
const uschar *listptr = prefixes;
uschar prebuf[64];
-while ((prefix = string_nextinlist(&listptr, &sep, prebuf, sizeof(prebuf)))
- != NULL)
+while ((prefix = string_nextinlist(&listptr, &sep, prebuf, sizeof(prebuf))))
{
int plen = Ustrlen(prefix);
if (prefix[0] == '*')
@@ -375,8 +370,7 @@ uschar *suffix;
const uschar *listptr = suffixes;
uschar sufbuf[64];
-while ((suffix = string_nextinlist(&listptr, &sep, sufbuf, sizeof(sufbuf)))
- != NULL)
+while ((suffix = string_nextinlist(&listptr, &sep, sufbuf, sizeof(sufbuf))))
{
int slen = Ustrlen(suffix);
if (suffix[slen-1] == '*')
@@ -428,42 +422,33 @@ route_check_dls(uschar *rname, uschar *type, const uschar *list,
tree_node **anchorptr, unsigned int *cache_bits, int listtype,
const uschar *domloc, const uschar **ldata, BOOL caseless, uschar **perror)
{
-int rc;
-
-if (list == NULL) return OK; /* Empty list always succeeds */
+if (!list) return OK; /* Empty list always succeeds */
DEBUG(D_route) debug_printf("checking %s\n", type);
/* The domain and local part use the same matching function, whereas sender
has its own code. */
-if (domloc != NULL)
- {
- rc = match_isinlist(domloc, &list, 0, anchorptr, cache_bits, listtype,
- caseless, ldata);
- }
-else
- {
- uschar *address = (sender_address == NULL)? US"" : sender_address;
- rc = match_address_list(address, TRUE, TRUE, &list, cache_bits, -1, 0,
- CUSS &sender_data);
- }
-
-switch(rc)
+switch(domloc
+ ? match_isinlist(domloc, &list, 0, anchorptr, cache_bits, listtype,
+ caseless, ldata)
+ : match_address_list(sender_address ? sender_address : US"",
+ TRUE, TRUE, &list, cache_bits, -1, 0, CUSS &sender_data)
+ )
{
case OK:
- return OK;
+ return OK;
case FAIL:
- *perror = string_sprintf("%s router skipped: %s mismatch", rname, type);
- DEBUG(D_route) debug_printf("%s\n", *perror);
- return SKIP;
+ *perror = string_sprintf("%s router skipped: %s mismatch", rname, type);
+ DEBUG(D_route) debug_printf("%s\n", *perror);
+ return SKIP;
default: /* Paranoia, and keeps compilers happy */
case DEFER:
- *perror = string_sprintf("%s check lookup or other defer", type);
- DEBUG(D_route) debug_printf("%s\n", *perror);
- return DEFER;
+ *perror = string_sprintf("%s check lookup or other defer", type);
+ DEBUG(D_route) debug_printf("%s\n", *perror);
+ return DEFER;
}
}
@@ -510,9 +495,9 @@ uschar *sp = rp + 1;
DEBUG(D_route) debug_printf("route_check_access(%s,%d,%d,%o)\n", path,
(int)uid, (int)gid, bits);
-if (rp == NULL) return FALSE;
+if (!rp) return FALSE;
-while ((slash = Ustrchr(sp, '/')) != NULL)
+while ((slash = Ustrchr(sp, '/')))
{
*slash = 0;
DEBUG(D_route) debug_printf("stat %s\n", rp);
@@ -585,7 +570,7 @@ const uschar *listptr;
uschar *check;
uschar buffer[1024];
-if (s == NULL) return OK;
+if (!s) return OK;
DEBUG(D_route) debug_printf("checking require_files\n");
@@ -598,7 +583,7 @@ while ((check = string_nextinlist(&listptr, &sep, buffer, sizeof(buffer))))
struct stat statbuf;
uschar *ss = expand_string(check);
- if (ss == NULL)
+ if (!ss)
{
if (expand_string_forcedfail) continue;
*perror = string_sprintf("failed to expand \"%s\" for require_files: %s",
@@ -900,7 +885,7 @@ because that doesn't have the prefix or suffix stripped. A bit of massaging is
required. Also, we only use the match cache for local parts that have not had
a prefix or suffix stripped. */
-if (addr->prefix == NULL && addr->suffix == NULL)
+if (!addr->prefix && !addr->suffix)
{
localpart_cache = addr->localpart_cache;
check_local_part = addr->cc_local_part;
@@ -909,9 +894,9 @@ else
{
localpart_cache = NULL;
check_local_part = string_copy(addr->cc_local_part);
- if (addr->prefix != NULL)
+ if (addr->prefix)
check_local_part += Ustrlen(addr->prefix);
- if (addr->suffix != NULL)
+ if (addr->suffix)
check_local_part[Ustrlen(check_local_part) - Ustrlen(addr->suffix)] = 0;
}
@@ -947,10 +932,10 @@ check_local_user before any subsequent expansions are done. Otherwise, $home
could mean different things for different options, which would be extremely
confusing. */
-if (r->router_home_directory != NULL)
+if (r->router_home_directory)
{
uschar *router_home = expand_string(r->router_home_directory);
- if (router_home == NULL)
+ if (!router_home)
{
if (!expand_string_forcedfail)
{
@@ -992,7 +977,7 @@ if ((rc = check_files(r->require_files, perror)) != OK)
/* Now the general condition test. */
-if (r->condition != NULL)
+if (r->condition)
{
DEBUG(D_route) debug_printf("checking \"condition\"\n");
if (!expand_check_condition(r->condition, r->name, US"router"))
@@ -1011,42 +996,44 @@ if (r->condition != NULL)
#ifdef EXPERIMENTAL_BRIGHTMAIL
/* check if a specific Brightmail AntiSpam rule fired on the message */
-if (r->bmi_rule != NULL) {
+if (r->bmi_rule)
+ {
DEBUG(D_route) debug_printf("checking bmi_rule\n");
- if (bmi_check_rule(bmi_base64_verdict, r->bmi_rule) == 0) {
- /* none of the rules fired */
+ if (bmi_check_rule(bmi_base64_verdict, r->bmi_rule) == 0)
+ { /* none of the rules fired */
DEBUG(D_route)
debug_printf("%s router skipped: none of bmi_rule rules fired\n", r->name);
return SKIP;
- };
-};
+ }
+ }
/* check if message should not be delivered */
-if (r->bmi_dont_deliver) {
- if (bmi_deliver == 1) {
- DEBUG(D_route)
- debug_printf("%s router skipped: bmi_dont_deliver is FALSE\n", r->name);
- return SKIP;
- };
-};
+if (r->bmi_dont_deliver && bmi_deliver == 1)
+ {
+ DEBUG(D_route)
+ debug_printf("%s router skipped: bmi_dont_deliver is FALSE\n", r->name);
+ return SKIP;
+ }
/* check if message should go to an alternate location */
-if (r->bmi_deliver_alternate) {
- if ((bmi_deliver == 0) || (bmi_alt_location == NULL)) {
- DEBUG(D_route)
- debug_printf("%s router skipped: bmi_deliver_alternate is FALSE\n", r->name);
- return SKIP;
- };
-};
+if ( r->bmi_deliver_alternate
+ && (bmi_deliver == 0 || !bmi_alt_location)
+ )
+ {
+ DEBUG(D_route)
+ debug_printf("%s router skipped: bmi_deliver_alternate is FALSE\n", r->name);
+ return SKIP;
+ }
/* check if message should go to default location */
-if (r->bmi_deliver_default) {
- if ((bmi_deliver == 0) || (bmi_alt_location != NULL)) {
- DEBUG(D_route)
- debug_printf("%s router skipped: bmi_deliver_default is FALSE\n", r->name);
- return SKIP;
- };
-};
+if ( r->bmi_deliver_default
+ && (bmi_deliver == 0 || bmi_alt_location)
+ )
+ {
+ DEBUG(D_route)
+ debug_printf("%s router skipped: bmi_deliver_default is FALSE\n", r->name);
+ return SKIP;
+ }
#endif
/* All the checks passed. */
@@ -1103,11 +1090,11 @@ if (!cache_set)
{
int i = 0;
- if (return_uid != NULL && (isdigit(*s) || *s == '-') &&
+ if (return_uid && (isdigit(*s) || *s == '-') &&
s[Ustrspn(s+1, "0123456789")+1] == 0)
{
*return_uid = (uid_t)Uatoi(s);
- if (pw != NULL) *pw = NULL;
+ if (pw) *pw = NULL;
return TRUE;
}
@@ -1127,12 +1114,12 @@ if (!cache_set)
else for (;;)
{
errno = 0;
- if ((lastpw = getpwnam(CS s)) != NULL) break;
+ if ((lastpw = getpwnam(CS s))) break;
if (++i > finduser_retries) break;
sleep(1);
}
- if (lastpw != NULL)
+ if (lastpw)
{
pwcopy.pw_uid = lastpw->pw_uid;
pwcopy.pw_gid = lastpw->pw_gid;
@@ -1146,26 +1133,21 @@ if (!cache_set)
lastpw = &pwcopy;
}
- else DEBUG(D_uid)
- {
- if (errno != 0) debug_printf("getpwnam(%s) failed: %s\n", s,
- strerror(errno));
- }
+ else DEBUG(D_uid) if (errno != 0)
+ debug_printf("getpwnam(%s) failed: %s\n", s, strerror(errno));
}
-if (lastpw == NULL)
+if (!lastpw)
{
DEBUG(D_uid) debug_printf("getpwnam() returned NULL (user not found)\n");
return FALSE;
}
-else
- {
- DEBUG(D_uid) debug_printf("getpwnam() succeeded uid=%d gid=%d\n",
+
+DEBUG(D_uid) debug_printf("getpwnam() succeeded uid=%d gid=%d\n",
lastpw->pw_uid, lastpw->pw_gid);
- }
-if (return_uid != NULL) *return_uid = lastpw->pw_uid;
-if (pw != NULL) *pw = lastpw;
+if (return_uid) *return_uid = lastpw->pw_uid;
+if (pw) *pw = lastpw;
return TRUE;
}
@@ -1203,7 +1185,7 @@ if ((isdigit(*s) || *s == '-') && s[Ustrspn(s+1, "0123456789")+1] == 0)
for (;;)
{
- if ((gr = getgrnam(CS s)) != NULL)
+ if ((gr = getgrnam(CS s)))
{
*return_gid = gr->gr_gid;
return TRUE;
@@ -1242,7 +1224,7 @@ route_find_expanded_user(uschar *string, uschar *driver_name,
{
uschar *user = expand_string(string);
-if (user == NULL)
+if (!user)
{
*errmsg = string_sprintf("Failed to expand user string \"%s\" for the "
"%s %s: %s", string, driver_name, driver_type, expand_string_message);
@@ -1284,7 +1266,7 @@ route_find_expanded_group(uschar *string, uschar *driver_name, uschar *driver_ty
BOOL yield = TRUE;
uschar *group = expand_string(string);
-if (group == NULL)
+if (!group)
{
*errmsg = string_sprintf("Failed to expand group string \"%s\" for the "
"%s %s: %s", string, driver_name, driver_type, expand_string_message);
@@ -1347,7 +1329,7 @@ from the original address' parent, if present, otherwise unset. */
*parent = *addr;
parent->child_count = 2;
parent->prop.errors_address =
- (addr->parent == NULL)? NULL : addr->parent->prop.errors_address;
+ addr->parent ? addr->parent->prop.errors_address : NULL;
/* The routed address gets a new parent. */
@@ -1394,8 +1376,7 @@ delivered. If so, we take it off the relevant queue so that it isn't delivered
again. Otherwise, it was an alias or something, and the addresses it generated
are handled in the normal way. */
-if (addr->transport != NULL &&
- tree_search(tree_nonrecipients, addr->unique) != NULL)
+if (addr->transport && tree_search(tree_nonrecipients, addr->unique))
{
DEBUG(D_route)
debug_printf("\"unseen\" delivery previously done - discarded\n");
@@ -1453,8 +1434,7 @@ HDEBUG(D_route)
encounters an error. If the address has start_router set, we begin from there
instead of at the first router. */
-for (r = (addr->start_router == NULL)? routers : addr->start_router;
- r != NULL; r = nextr)
+for (r = addr->start_router ? addr->start_router : routers; r; r = nextr)
{
uschar *error;
struct passwd *pw = NULL;
@@ -1493,7 +1473,7 @@ for (r = (addr->start_router == NULL)? routers : addr->start_router;
continally adding to an address, for example), put a long stop counter on
the number of parents. */
- for (parent = addr->parent; parent != NULL; parent = parent->parent)
+ for (parent = addr->parent; parent; parent = parent->parent)
{
if (parent->router == r)
{
@@ -1547,7 +1527,7 @@ for (r = (addr->start_router == NULL)? routers : addr->start_router;
and setting the prefix. Skip the router if the prefix doesn't match,
unless the prefix is optional. */
- if (r->prefix != NULL)
+ if (r->prefix)
{
int plen = route_check_prefix(addr->local_part, r->prefix);
if (plen > 0)
@@ -1566,7 +1546,7 @@ for (r = (addr->start_router == NULL)? routers : addr->start_router;
/* Handle any configured suffix likewise. */
- if (r->suffix != NULL)
+ if (r->suffix)
{
int slen = route_check_suffix(addr->local_part, r->suffix);
if (slen > 0)
@@ -1613,11 +1593,11 @@ for (r = (addr->start_router == NULL)? routers : addr->start_router;
success, the string is attached to the address for all subsequent processing.
*/
- if (r->address_data != NULL)
+ if (r->address_data)
{
DEBUG(D_route) debug_printf("processing address_data\n");
deliver_address_data = expand_string(r->address_data);
- if (deliver_address_data == NULL)
+ if (!deliver_address_data)
{
if (expand_string_forcedfail)
{
@@ -1660,7 +1640,7 @@ for (r = (addr->start_router == NULL)? routers : addr->start_router;
clearflag(addr, af_local_host_removed);
- if (pw != NULL)
+ if (pw)
{
pwcopy.pw_name = CS string_copy(US pw->pw_name);
pwcopy.pw_uid = pw->pw_uid;
@@ -1673,10 +1653,10 @@ for (r = (addr->start_router == NULL)? routers : addr->start_router;
/* Run the router, and handle the consequences. */
-/* ... but let us check on DSN before. If this should be the last hop for DSN
- set flag
-*/
- if ((r->dsn_lasthop == TRUE) && ((addr->dsn_flags & rf_dsnlasthop) == 0))
+ /* ... but let us check on DSN before. If this should be the last hop for DSN
+ set flag. */
+
+ if (r->dsn_lasthop && !(addr->dsn_flags & rf_dsnlasthop))
{
addr->dsn_flags |= rf_dsnlasthop;
HDEBUG(D_route) debug_printf("DSN: last hop for %s\n", addr->address);
@@ -1754,16 +1734,16 @@ prematurely, either because a router succeeded, or because of some special
router response. Note that FAIL errors and errors detected before actually
running a router go direct to ROUTE_EXIT from code above. */
-if (r == NULL)
+if (!r)
{
HDEBUG(D_route) debug_printf("no more routers\n");
- if (addr->message == NULL)
+ if (!addr->message)
{
uschar *message = US"Unrouteable address";
- if (addr->router != NULL && addr->router->cannot_route_message != NULL)
+ if (addr->router && addr->router->cannot_route_message)
{
uschar *expmessage = expand_string(addr->router->cannot_route_message);
- if (expmessage == NULL)
+ if (!expmessage)
{
if (!expand_string_forcedfail)
log_write(0, LOG_MAIN|LOG_PANIC, "failed to expand "
@@ -1816,23 +1796,23 @@ networking, so it is included in the binary only if requested. */
#ifdef SUPPORT_TRANSLATE_IP_ADDRESS
-if (r->translate_ip_address != NULL)
+if (r->translate_ip_address)
{
int rc;
int old_pool = store_pool;
host_item *h;
- for (h = addr->host_list; h != NULL; h = h->next)
+ for (h = addr->host_list; h; h = h->next)
{
uschar *newaddress;
uschar *oldaddress, *oldname;
- if (h->address == NULL) continue;
+ if (!h->address) continue;
deliver_host_address = h->address;
newaddress = expand_string(r->translate_ip_address);
deliver_host_address = NULL;
- if (newaddress == NULL)
+ if (!newaddress)
{
if (expand_string_forcedfail) continue;
addr->basic_errno = ERRNO_EXPANDFAIL;
@@ -1881,11 +1861,8 @@ if (yield != OK) goto ROUTE_EXIT;
/* Debugging output recording a successful routing */
-HDEBUG(D_route)
- {
- debug_printf("routed by %s router%s\n", r->name,
+HDEBUG(D_route) debug_printf("routed by %s router%s\n", r->name,
unseen? " (unseen)" : "");
- }
DEBUG(D_route)
{
@@ -1895,13 +1872,13 @@ DEBUG(D_route)
debug_printf(" transport: %s\n", (addr->transport == NULL)?
US"<none>" : addr->transport->name);
- if (addr->prop.errors_address != NULL)
+ if (addr->prop.errors_address)
debug_printf(" errors to %s\n", addr->prop.errors_address);
- for (h = addr->host_list; h != NULL; h = h->next)
+ for (h = addr->host_list; h; h = h->next)
{
debug_printf(" host %s", h->name);
- if (h->address != NULL) debug_printf(" [%s]", h->address);
+ if (h->address) debug_printf(" [%s]", h->address);
if (h->mx >= 0) debug_printf(" MX=%d", h->mx);
else if (h->mx != MX_NONE) debug_printf(" rgroup=%d", h->mx);
if (h->port != PORT_NONE) debug_printf(" port=%d", h->port);
@@ -1914,7 +1891,7 @@ DEBUG(D_route)
the "unseen" option (ignore if there are no further routers). */
addr->message = NULL;
-if (unseen && r->next != NULL)
+if (unseen && r->next)
route_unseen(r->name, addr, paddr_local, paddr_remote, addr_new);
/* Unset the address expansions, and return the final result. */