* Exim - an Internet mail transport agent *
*************************************************/
-/* Copyright (c) University of Cambridge 1995 - 2014 */
+/* Copyright (c) University of Cambridge 1995 - 2018 */
/* See the file NOTICE for conditions of use and distribution. */
/* Functions concerned with routing, and the list of generic router options. */
(void *)offsetof(router_instance, verify_sender) }
};
-int optionlist_routers_size = sizeof(optionlist_routers)/sizeof(optionlist);
+int optionlist_routers_size = nelem(optionlist_routers);
+#ifdef MACRO_PREDEF
+
+# include "macro_predef.h"
+
+void
+options_routers(void)
+{
+struct router_info * ri;
+uschar buf[64];
+
+options_from_list(optionlist_routers, nelem(optionlist_routers), US"ROUTERS", NULL);
+
+for (ri = routers_available; ri->driver_name[0]; ri++)
+ {
+ spf(buf, sizeof(buf), US"_DRIVER_ROUTER_%T", ri->driver_name);
+ builtin_macro_create(buf);
+ options_from_list(ri->options, (unsigned)*ri->options_count, US"ROUTER", ri->driver_name);
+ }
+}
+
+#else /*!MACRO_PREDEF*/
/*************************************************
* Set router pointer from name *
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)
{
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);
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;
/* Check for transport or no transport on certain routers */
- if ((r->info->ri_flags & ri_yestransport) != 0 &&
- r->transport_name == NULL &&
- !r->verify_only)
+ if ( (r->info->ri_flags & ri_yestransport)
+ && !r->transport_name && !r->verify_only)
log_write(0, LOG_PANIC_DIE|LOG_CONFIG, "%s router:\n "
"a transport is required for this router", r->name);
- if ((r->info->ri_flags & ri_notransport) != 0 &&
- r->transport_name != NULL)
+ if ((r->info->ri_flags & ri_notransport) && r->transport_name)
log_write(0, LOG_PANIC_DIE|LOG_CONFIG, "%s router:\n "
"a transport must not be defined for this router", r->name);
/* Check redirect_router and pass_router are valid */
- if (r->redirect_router_name != NULL)
+ if (r->redirect_router_name)
set_router(r, r->redirect_router_name, &(r->redirect_router), FALSE);
- if (r->pass_router_name != NULL)
+ if (r->pass_router_name)
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);
- }
+#ifdef notdef
+ DEBUG(D_route) debug_printf("DSN: %s %s\n", r->name,
+ r->dsn_lasthop ? "lasthop set" : "propagating DSN");
+#endif
}
}
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);
}
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] == '*')
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] == '*')
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;
}
}
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);
uschar *check;
uschar buffer[1024];
-if (s == NULL) return OK;
+if (!s) return OK;
DEBUG(D_route) debug_printf("checking require_files\n");
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",
pid = fork();
/* If fork() fails, reinstate the original error and behave as if
- this block of code were not present. This is the same behavious as happens
+ this block of code were not present. This is the same behaviour as happens
when Exim is not running as root at this point. */
if (pid < 0)
rc = -1;
}
- /* Handle error returns from stat() or route_check_access(). The EACESS error
+ /* Handle error returns from stat() or route_check_access(). The EACCES error
is handled specially. At present, we can force it to be treated as
non-existence. Write the code so that it will be easy to add forcing for
existence if required later. */
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;
{
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;
}
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)
{
}
/* Skip if the sender condition is not met. We leave this one till after the
-local user check so that $home is set - enabling the possiblity of letting
+local user check so that $home is set - enabling the possibility of letting
individual recipients specify lists of acceptable/unacceptable senders. */
if ((rc = route_check_dls(r->name, US"senders", r->senders, NULL,
/* Now the general condition test. */
-if (r->condition != NULL)
+if (r->condition)
{
- DEBUG(D_route) debug_printf("checking \"condition\"\n");
+ DEBUG(D_route) debug_printf("checking \"condition\" \"%.80s\"...\n", r->condition);
if (!expand_check_condition(r->condition, r->name, US"router"))
{
if (search_find_defer)
#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. */
{
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;
}
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;
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;
}
doesn't have some kind of indication as to why it has failed.
Arguments:
- s the group namd or textual form of the numerical gid
+ s the group name or textual form of the numerical gid
return_gid return the gid via this address
Returns: TRUE if the group was found; FALSE otherwise
for (;;)
{
- if ((gr = getgrnam(CS s)) != NULL)
+ if ((gr = getgrnam(CS s)))
{
*return_gid = gr->gr_gid;
return TRUE;
{
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);
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);
*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. */
/* Copy the propagated flags and address_data from the original. */
-copyflag(new, addr, af_propagate);
+new->prop.ignore_error = addr->prop.ignore_error;
new->prop.address_data = addr->prop.address_data;
new->dsn_flags = addr->dsn_flags;
new->dsn_orcpt = addr->dsn_orcpt;
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");
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;
by this router, even if it was different to the current address.
Just in case someone does put it into a loop (possible with redirection
- continally adding to an address, for example), put a long stop counter on
+ continually 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)
{
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)
/* 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)
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)
{
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;
/* 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);
- }
+ }
HDEBUG(D_route) debug_printf("calling %s router\n", r->name);
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 "
#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;
/* 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)
{
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);
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. */
ROUTE_EXIT:
-if (yield == DEFER) {
- if (
- ((Ustrstr(addr->message, "failed to expand") != NULL) || (Ustrstr(addr->message, "expansion of ") != NULL)) &&
- (
- Ustrstr(addr->message, "mysql") != NULL ||
- Ustrstr(addr->message, "pgsql") != NULL ||
-#ifdef EXPERIMENTAL_REDIS
- Ustrstr(addr->message, "redis") != NULL ||
-#endif
- Ustrstr(addr->message, "sqlite") != NULL ||
- Ustrstr(addr->message, "ldap:") != NULL ||
- Ustrstr(addr->message, "ldapdn:") != NULL ||
- Ustrstr(addr->message, "ldapm:") != NULL
- )
- ) {
- addr->message = string_sprintf("Temporary internal error");
- }
-}
+if (yield == DEFER && addr->message)
+ addr->message = expand_hide_passwords(addr->message);
deliver_set_expansions(NULL);
router_name = NULL;
return yield;
}
+#endif /*!MACRO_PREDEF*/
/* End of route.c */
git://git.exim.org / exim.git / blobdiff