* Exim - an Internet mail transport agent *
*************************************************/
+/* Copyright (c) The Exim Maintainers 2020 - 2024 */
/* Copyright (c) University of Cambridge 1995 - 2018 */
/* See the file NOTICE for conditions of use and distribution. */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
#include "../exim.h"
+
+#ifdef ROUTER_QUERYPROGRAM /* Remainder of file */
#include "rf_functions.h"
#include "queryprogram.h"
optionlist queryprogram_router_options[] = {
{ "*expand_command_group", opt_bool | opt_hidden,
- (void *)(offsetof(queryprogram_router_options_block, expand_cmd_gid)) },
+ OPT_OFF(queryprogram_router_options_block, expand_cmd_gid) },
{ "*expand_command_user", opt_bool | opt_hidden,
- (void *)(offsetof(queryprogram_router_options_block, expand_cmd_uid)) },
+ OPT_OFF(queryprogram_router_options_block, expand_cmd_uid) },
{ "*set_command_group", opt_bool | opt_hidden,
- (void *)(offsetof(queryprogram_router_options_block, cmd_gid_set)) },
+ OPT_OFF(queryprogram_router_options_block, cmd_gid_set) },
{ "*set_command_user", opt_bool | opt_hidden,
- (void *)(offsetof(queryprogram_router_options_block, cmd_uid_set)) },
+ OPT_OFF(queryprogram_router_options_block, cmd_uid_set) },
{ "command", opt_stringptr,
- (void *)(offsetof(queryprogram_router_options_block, command)) },
+ OPT_OFF(queryprogram_router_options_block, command) },
{ "command_group",opt_expand_gid,
- (void *)(offsetof(queryprogram_router_options_block, cmd_gid)) },
+ OPT_OFF(queryprogram_router_options_block, cmd_gid) },
{ "command_user", opt_expand_uid,
- (void *)(offsetof(queryprogram_router_options_block, cmd_uid)) },
+ OPT_OFF(queryprogram_router_options_block, cmd_uid) },
{ "current_directory", opt_stringptr,
- (void *)(offsetof(queryprogram_router_options_block, current_directory)) },
+ OPT_OFF(queryprogram_router_options_block, current_directory) },
{ "timeout", opt_time,
- (void *)(offsetof(queryprogram_router_options_block, timeout)) }
+ OPT_OFF(queryprogram_router_options_block, timeout) }
};
/* Size of the options list. An extern variable has to be used so that its
/* A command must be given */
-if (ob->command == NULL)
+if (!ob->command)
log_write(0, LOG_PANIC_DIE|LOG_CONFIG_FOR, "%s router:\n "
"a command specification is required", rblock->name);
/* A uid/gid must be supplied */
-if (!ob->cmd_uid_set && ob->expand_cmd_uid == NULL)
+if (!ob->cmd_uid_set && !ob->expand_cmd_uid)
log_write(0, LOG_PANIC_DIE|LOG_CONFIG_FOR, "%s router:\n "
"command_user must be specified", rblock->name);
}
bzero(&addr_prop, sizeof(addr_prop));
addr_prop.address_data = deliver_address_data;
+tree_dup((tree_node **)&addr_prop.variables, addr->prop.variables);
rc = rf_get_errors_address(addr, rblock, verify, &addr_prop.errors_address);
if (rc != OK) return rc;
&addr_prop.remove_headers);
if (rc != OK) return rc;
-#ifdef EXPERIMENTAL_SRS
-addr_prop.srs_sender = NULL;
-#endif
-
/* Get the fixed or expanded uid under which the command is to run
(initialization ensures that one or the other is set). */
-if (!ob->cmd_uid_set)
- {
- if (!route_find_expanded_user(ob->expand_cmd_uid, rblock->name, US"router",
- &upw, &uid, &(addr->message)))
+if ( !ob->cmd_uid_set
+ && !route_find_expanded_user(ob->expand_cmd_uid, rblock->name, US"router",
+ &upw, &uid, &(addr->message)))
return DEFER;
- }
/* Get the fixed or expanded gid, or take the gid from the passwd entry. */
if (!ob->cmd_gid_set)
- {
- if (ob->expand_cmd_gid != NULL)
+ if (ob->expand_cmd_gid)
{
if (route_find_expanded_group(ob->expand_cmd_gid, rblock->name,
US"router", &gid, &(addr->message)))
return DEFER;
}
- else if (upw != NULL)
- {
+ else if (upw)
gid = upw->pw_gid;
- }
else
{
addr->message = string_sprintf("command_user set without command_group "
"for %s router", rblock->name);
return DEFER;
}
- }
DEBUG(D_route) debug_printf("requires uid=%ld gid=%ld current_directory=%s\n",
(long int)uid, (long int)gid, current_directory);
/* Set up the command to run */
+GET_OPTION("command");
if (!transport_set_up_command(&argvptr, /* anchor for arg list */
ob->command, /* raw command */
- TRUE, /* expand the arguments */
+ TSUC_EXPAND_ARGS, /* arguments expanded but must not be tainted */
0, /* not relevant when... */
NULL, /* no transporting address */
US"queryprogram router", /* for error messages */
- &(addr->message))) /* where to put error message */
- {
+ &addr->message)) /* where to put error message */
return DEFER;
- }
/* Create the child process, making it a group leader. */
-pid = child_open_uid(argvptr, NULL, 0077, puid, pgid, &fd_in, &fd_out,
- current_directory, TRUE);
-
-if (pid < 0)
+if ((pid = child_open_uid(argvptr, NULL, 0077, puid, pgid, &fd_in, &fd_out,
+ current_directory, TRUE, US"queryprogram-cmd")) < 0)
{
addr->message = string_sprintf("%s router couldn't create child process: %s",
rblock->name, strerror(errno));
DEBUG(D_route) debug_printf("command wrote: %s\n", buffer);
rword = buffer;
-while (isspace(*rword)) rword++;
+Uskip_whitespace(&rword);
rdata = rword;
-while (*rdata != 0 && !isspace(*rdata)) rdata++;
-if (*rdata != 0) *rdata++ = 0;
+Uskip_nonwhite(&rdata);
+if (*rdata) *rdata++ = '\0';
/* The word must be a known yield name. If it is "REDIRECT", the rest of the
line is redirection data, as for a .forward file. It may not contain filter
NULL, /* sieve subaddress not relevant */
&ugid, /* uid/gid (but not set) */
&generated, /* where to hang the results */
- &(addr->message), /* where to put messages */
+ &addr->message, /* where to put messages */
NULL, /* don't skip syntax errors */
&filtertype, /* not used; will always be FILTER_FORWARD */
string_sprintf("%s router", rblock->name));
response after verifying. */
case FF_DEFER:
- if (addr->message == NULL) addr->message = US"forced defer";
+ if (!addr->message) addr->message = US"forced defer";
else addr->user_message = addr->message;
- return DEFER;
+ return DEFER;
case FF_FAIL:
- add_generated(rblock, addr_new, addr, generated, &addr_prop);
- if (addr->message == NULL) addr->message = US"forced rejection";
+ add_generated(rblock, addr_new, addr, generated, &addr_prop);
+ if (!addr->message) addr->message = US"forced rejection";
else addr->user_message = addr->message;
- return FAIL;
+ return FAIL;
case FF_DELIVERED:
- break;
+ break;
case FF_NOTDELIVERED: /* an empty redirection list is bad */
- addr->message = US"no addresses supplied";
+ addr->message = US"no addresses supplied";
/* Fall through */
case FF_ERROR:
default:
- addr->basic_errno = ERRNO_BADREDIRECT;
- addr->message = string_sprintf("error in redirect data: %s", addr->message);
- return DEFER;
+ addr->basic_errno = ERRNO_BADREDIRECT;
+ addr->message = string_sprintf("error in redirect data: %s", addr->message);
+ return DEFER;
}
/* Handle the generated addresses, if any. */
}
/* The command yielded "ACCEPT". The rest of the string is a number of keyed
-fields from which we can fish out values using the "extract" expansion
-function. To use this feature, we must put the string into the $value variable,
-i.e. set lookup_value. */
-
-lookup_value = rdata;
-s = expand_string(US"${extract{data}{$value}}");
-if (*s != 0) addr_prop.address_data = string_copy(s);
+fields from which we can fish out values using the equivalent of the "extract"
+expansion function. */
-s = expand_string(US"${extract{transport}{$value}}");
-lookup_value = NULL;
+if ((s = expand_getkeyed(US"data", rdata)) && *s)
+ addr_prop.address_data = string_copy(s);
/* If we found a transport name, find the actual transport */
-if (*s != 0)
+if ((s = expand_getkeyed(US"transport", rdata)) && *s)
{
transport_instance *transport;
for (transport = transports; transport; transport = transport->next)
else
{
- if (!rf_get_transport(rblock->transport_name, &(rblock->transport), addr,
+ if (!rf_get_transport(rblock->transport_name, &rblock->transport, addr,
rblock->name, US"transport"))
return DEFER;
addr->transport = rblock->transport;
/* See if a host list is given, and if so, look up the addresses. */
-lookup_value = rdata;
-s = expand_string(US"${extract{hosts}{$value}}");
-
-if (*s != 0)
+if ((s = expand_getkeyed(US"hosts", rdata)) && *s)
{
int lookup_type = LK_DEFAULT;
- uschar *ss = expand_string(US"${extract{lookup}{$value}}");
- lookup_value = NULL;
+ uschar * ss = expand_getkeyed(US"lookup", rdata);
- if (*ss != 0)
+ if (ss && *ss)
{
if (Ustrcmp(ss, "byname") == 0) lookup_type = LK_BYNAME;
else if (Ustrcmp(ss, "bydns") == 0) lookup_type = LK_BYDNS;
/* Queue the address for local or remote delivery. */
-return rf_queue_add(addr, addr_local, addr_remote, rblock, pw)?
- OK : DEFER;
+return rf_queue_add(addr, addr_local, addr_remote, rblock, pw) ? OK : DEFER;
}
-#endif /*!MACRO_PREDEF*/
+#endif /*!MACRO_PREDEF*/
+#endif /*ROUTER_QUERYPROGRAM*/
/* End of routers/queryprogram.c */
git://git.exim.org / exim.git / blobdiff