* Exim - an Internet mail transport agent *
*************************************************/
-/* Copyright (c) University of Cambridge 1995 - 2015 */
+/* Copyright (c) University of Cambridge 1995 - 2017 */
/* See the file NOTICE for conditions of use and distribution. */
/* Functions for reading the configuration file, and for displaying
#include "exim.h"
-static void fn_smtp_receive_timeout(const uschar * name, const uschar * str);
-
-
-#define CSTATE_STACK_SIZE 10
-
-
-/* Structure for chain (stack) of .included files */
-
-typedef struct config_file_item {
- struct config_file_item *next;
- uschar *filename;
- FILE *file;
- int lineno;
-} config_file_item;
-
-/* Structure of table of conditional words and their state transitions */
-
-typedef struct cond_item {
- uschar *name;
- int namelen;
- int action1;
- int action2;
- int pushpop;
-} cond_item;
-
-/* Structure of table of syslog facility names and values */
-
-typedef struct syslog_fac_item {
- uschar *name;
- int value;
-} syslog_fac_item;
-
-
-/* Static variables */
-
-static config_file_item *config_file_stack = NULL; /* For includes */
-
-static uschar *syslog_facility_str = NULL;
-static uschar next_section[24];
-static uschar time_buffer[24];
-
-/* State variables for conditional loading (.ifdef / .else / .endif) */
-
-static int cstate = 0;
-static int cstate_stack_ptr = -1;
-static int cstate_stack[CSTATE_STACK_SIZE];
-
-/* Table of state transitions for handling conditional inclusions. There are
-four possible state transitions:
-
- .ifdef true
- .ifdef false
- .elifdef true (or .else)
- .elifdef false
-
-.endif just causes the previous cstate to be popped off the stack */
-
-static int next_cstate[3][4] =
- {
- /* State 0: reading from file, or reading until next .else or .endif */
- { 0, 1, 2, 2 },
- /* State 1: condition failed, skipping until next .else or .endif */
- { 2, 2, 0, 1 },
- /* State 2: skipping until .endif */
- { 2, 2, 2, 2 },
- };
-
-/* Table of conditionals and the states to set. For each name, there are four
-values: the length of the name (to save computing it each time), the state to
-set if a macro was found in the line, the state to set if a macro was not found
-in the line, and a stack manipulation setting which is:
-
- -1 pull state value off the stack
- 0 don't alter the stack
- +1 push value onto stack, before setting new state
-*/
-
-static cond_item cond_list[] = {
- { US"ifdef", 5, 0, 1, 1 },
- { US"ifndef", 6, 1, 0, 1 },
- { US"elifdef", 7, 2, 3, 0 },
- { US"elifndef", 8, 3, 2, 0 },
- { US"else", 4, 2, 2, 0 },
- { US"endif", 5, 0, 0, -1 }
-};
-
-static int cond_list_size = sizeof(cond_list)/sizeof(cond_item);
-
-/* Table of syslog facility names and their values */
-
-static syslog_fac_item syslog_list[] = {
- { US"mail", LOG_MAIL },
- { US"user", LOG_USER },
- { US"news", LOG_NEWS },
- { US"uucp", LOG_UUCP },
- { US"local0", LOG_LOCAL0 },
- { US"local1", LOG_LOCAL1 },
- { US"local2", LOG_LOCAL2 },
- { US"local3", LOG_LOCAL3 },
- { US"local4", LOG_LOCAL4 },
- { US"local5", LOG_LOCAL5 },
- { US"local6", LOG_LOCAL6 },
- { US"local7", LOG_LOCAL7 },
- { US"daemon", LOG_DAEMON }
-};
-
-static int syslog_list_size = sizeof(syslog_list)/sizeof(syslog_fac_item);
-
-
+#ifdef MACRO_PREDEF
+# include "macro_predef.h"
+#endif
+static uschar * syslog_facility_str;
+static void fn_smtp_receive_timeout(const uschar *, const uschar *);
/*************************************************
* Main configuration options *
{ "acl_smtp_starttls", opt_stringptr, &acl_smtp_starttls },
#endif
{ "acl_smtp_vrfy", opt_stringptr, &acl_smtp_vrfy },
+ { "add_environment", opt_stringptr, &add_environment },
{ "admin_groups", opt_gidlist, &admin_groups },
{ "allow_domain_literals", opt_bool, &allow_domain_literals },
{ "allow_mx_to_ip", opt_bool, &allow_mx_to_ip },
{ "bounce_message_file", opt_stringptr, &bounce_message_file },
{ "bounce_message_text", opt_stringptr, &bounce_message_text },
{ "bounce_return_body", opt_bool, &bounce_return_body },
+ { "bounce_return_linesize_limit", opt_mkint, &bounce_return_linesize_limit },
{ "bounce_return_message", opt_bool, &bounce_return_message },
{ "bounce_return_size_limit", opt_mkint, &bounce_return_size_limit },
{ "bounce_sender_authentication",opt_stringptr,&bounce_sender_authentication },
{ "check_rfc2047_length", opt_bool, &check_rfc2047_length },
{ "check_spool_inodes", opt_int, &check_spool_inodes },
{ "check_spool_space", opt_Kint, &check_spool_space },
+ { "chunking_advertise_hosts", opt_stringptr, &chunking_advertise_hosts },
+ { "commandline_checks_require_admin", opt_bool,&commandline_checks_require_admin },
{ "daemon_smtp_port", opt_stringptr|opt_hidden, &daemon_smtp_port },
{ "daemon_smtp_ports", opt_stringptr, &daemon_smtp_port },
{ "daemon_startup_retries", opt_int, &daemon_startup_retries },
{ "dccifd_address", opt_stringptr, &dccifd_address },
{ "dccifd_options", opt_stringptr, &dccifd_options },
#endif
+ { "debug_store", opt_bool, &debug_store },
{ "delay_warning", opt_timelist, &delay_warning },
{ "delay_warning_condition", opt_stringptr, &delay_warning_condition },
{ "deliver_drop_privilege", opt_bool, &deliver_drop_privilege },
{ "dns_retry", opt_int, &dns_retry },
{ "dns_trust_aa", opt_stringptr, &dns_trust_aa },
{ "dns_use_edns0", opt_int, &dns_use_edns0 },
- /* This option is now a no-op, retained for compability */
+ /* This option is now a no-op, retained for compatibility */
{ "drop_cr", opt_bool, &drop_cr },
/*********************************************************/
{ "dsn_advertise_hosts", opt_stringptr, &dsn_advertise_hosts },
{ "envelope_to_remove", opt_bool, &envelope_to_remove },
{ "errors_copy", opt_stringptr, &errors_copy },
{ "errors_reply_to", opt_stringptr, &errors_reply_to },
-#ifdef EXPERIMENTAL_EVENT
+#ifndef DISABLE_EVENT
{ "event_action", opt_stringptr, &event_action },
#endif
{ "exim_group", opt_gid, &exim_gid },
#ifdef SUPPORT_TLS
{ "gnutls_allow_auto_pkcs11", opt_bool, &gnutls_allow_auto_pkcs11 },
{ "gnutls_compat_mode", opt_bool, &gnutls_compat_mode },
- /* These three gnutls_require_* options stopped working in Exim 4.80 */
- /* From 4.83 we log a warning; a future relase will remove them */
- { "gnutls_require_kx", opt_stringptr, &gnutls_require_kx },
- { "gnutls_require_mac", opt_stringptr, &gnutls_require_mac },
- { "gnutls_require_protocols", opt_stringptr, &gnutls_require_proto },
#endif
{ "header_line_maxsize", opt_int, &header_line_maxsize },
{ "header_maxsize", opt_int, &header_maxsize },
{ "host_lookup_order", opt_stringptr, &host_lookup_order },
{ "host_reject_connection", opt_stringptr, &host_reject_connection },
{ "hosts_connection_nolog", opt_stringptr, &hosts_connection_nolog },
+#ifdef SUPPORT_PROXY
+ { "hosts_proxy", opt_stringptr, &hosts_proxy },
+#endif
{ "hosts_treat_as_local", opt_stringptr, &hosts_treat_as_local },
#ifdef LOOKUP_IBASE
{ "ibase_servers", opt_stringptr, &ibase_servers },
{ "ignore_bounce_errors_after", opt_time, &ignore_bounce_errors_after },
{ "ignore_fromline_hosts", opt_stringptr, &ignore_fromline_hosts },
{ "ignore_fromline_local", opt_bool, &ignore_fromline_local },
+ { "keep_environment", opt_stringptr, &keep_environment },
{ "keep_malformed", opt_time, &keep_malformed },
#ifdef LOOKUP_LDAP
{ "ldap_ca_cert_dir", opt_stringptr, &eldap_ca_cert_dir },
#ifdef EXIM_PERL
{ "perl_at_start", opt_bool, &opt_perl_at_start },
{ "perl_startup", opt_stringptr, &opt_perl_startup },
+ { "perl_taintmode", opt_bool, &opt_perl_taintmode },
#endif
#ifdef LOOKUP_PGSQL
{ "pgsql_servers", opt_stringptr, &pgsql_servers },
{ "print_topbitchars", opt_bool, &print_topbitchars },
{ "process_log_path", opt_stringptr, &process_log_path },
{ "prod_requires_admin", opt_bool, &prod_requires_admin },
-#ifdef EXPERIMENTAL_PROXY
- { "proxy_required_hosts", opt_stringptr, &proxy_required_hosts },
-#endif
{ "qualify_domain", opt_stringptr, &qualify_domain_sender },
{ "qualify_recipient", opt_stringptr, &qualify_domain_recipient },
{ "queue_domains", opt_stringptr, &queue_domains },
{ "queue_only_load_latch", opt_bool, &queue_only_load_latch },
{ "queue_only_override", opt_bool, &queue_only_override },
{ "queue_run_in_order", opt_bool, &queue_run_in_order },
- { "queue_run_max", opt_int, &queue_run_max },
+ { "queue_run_max", opt_stringptr, &queue_run_max },
{ "queue_smtp_domains", opt_stringptr, &queue_smtp_domains },
{ "receive_timeout", opt_time, &receive_timeout },
{ "received_header_text", opt_stringptr, &received_header_text },
{ "recipient_unqualified_hosts", opt_stringptr, &recipient_unqualified_hosts },
{ "recipients_max", opt_int, &recipients_max },
{ "recipients_max_reject", opt_bool, &recipients_max_reject },
-#ifdef EXPERIMENTAL_REDIS
+#ifdef LOOKUP_REDIS
{ "redis_servers", opt_stringptr, &redis_servers },
#endif
{ "remote_max_parallel", opt_int, &remote_max_parallel },
{ "smtp_receive_timeout", opt_func, &fn_smtp_receive_timeout },
{ "smtp_reserve_hosts", opt_stringptr, &smtp_reserve_hosts },
{ "smtp_return_error_details",opt_bool, &smtp_return_error_details },
-#ifdef EXPERIMENTAL_INTERNATIONAL
+#ifdef SUPPORT_I18N
{ "smtputf8_advertise_hosts", opt_stringptr, &smtputf8_advertise_hosts },
#endif
#ifdef WITH_CONTENT_SCAN
{ "spamd_address", opt_stringptr, &spamd_address },
#endif
-#ifdef EXPERIMENTAL_SPF
+#ifdef SUPPORT_SPF
{ "spf_guess", opt_stringptr, &spf_guess },
#endif
{ "split_spool_directory", opt_bool, &split_spool_directory },
{ "spool_directory", opt_stringptr, &spool_directory },
+ { "spool_wireformat", opt_bool, &spool_wireformat },
#ifdef LOOKUP_SQLITE
{ "sqlite_lock_timeout", opt_int, &sqlite_lock_timeout },
#endif
{ "strip_trailing_dot", opt_bool, &strip_trailing_dot },
{ "syslog_duplication", opt_bool, &syslog_duplication },
{ "syslog_facility", opt_stringptr, &syslog_facility_str },
+ { "syslog_pid", opt_bool, &syslog_pid },
{ "syslog_processname", opt_stringptr, &syslog_processname },
{ "syslog_timestamp", opt_bool, &syslog_timestamp },
{ "system_filter", opt_stringptr, &system_filter },
#endif
{ "timeout_frozen_after", opt_time, &timeout_frozen_after },
{ "timezone", opt_stringptr, &timezone_string },
-#ifdef SUPPORT_TLS
{ "tls_advertise_hosts", opt_stringptr, &tls_advertise_hosts },
+#ifdef SUPPORT_TLS
{ "tls_certificate", opt_stringptr, &tls_certificate },
{ "tls_crl", opt_stringptr, &tls_crl },
{ "tls_dh_max_bits", opt_int, &tls_dh_max_bits },
{ "write_rejectlog", opt_bool, &write_rejectlog }
};
-static int optionlist_config_size =
- sizeof(optionlist_config)/sizeof(optionlist);
+#ifndef MACRO_PREDEF
+static int optionlist_config_size = nelem(optionlist_config);
+#endif
+
+
+#ifdef MACRO_PREDEF
+
+static void fn_smtp_receive_timeout(const uschar * name, const uschar * str) {/*Dummy*/}
+
+void
+options_main(void)
+{
+options_from_list(optionlist_config, nelem(optionlist_config), US"MAIN", NULL);
+}
+
+void
+options_auths(void)
+{
+struct auth_info * ai;
+uschar buf[64];
+
+options_from_list(optionlist_auths, optionlist_auths_size, US"AUTHENTICATORS", NULL);
+
+for (ai = auths_available; ai->driver_name[0]; ai++)
+ {
+ spf(buf, sizeof(buf), US"_DRIVER_AUTHENTICATOR_%T", ai->driver_name);
+ builtin_macro_create(buf);
+ options_from_list(ai->options, (unsigned)*ai->options_count, US"AUTHENTICATOR", ai->driver_name);
+ }
+}
+
+
+#else /*!MACRO_PREDEF*/
+
+extern char **environ;
+
+static void save_config_line(const uschar* line);
+static void save_config_position(const uschar *file, int line);
+static void print_config(BOOL admin, BOOL terse);
+
+
+#define CSTATE_STACK_SIZE 10
+
+const uschar *config_directory = NULL;
+
+
+/* Structure for chain (stack) of .included files */
+
+typedef struct config_file_item {
+ struct config_file_item *next;
+ const uschar *filename;
+ const uschar *directory;
+ FILE *file;
+ int lineno;
+} config_file_item;
+
+/* Structure for chain of configuration lines (-bP config) */
+
+typedef struct config_line_item {
+ struct config_line_item *next;
+ uschar *line;
+} config_line_item;
+
+static config_line_item* config_lines;
+
+/* Structure of table of conditional words and their state transitions */
+
+typedef struct cond_item {
+ uschar *name;
+ int namelen;
+ int action1;
+ int action2;
+ int pushpop;
+} cond_item;
+
+/* Structure of table of syslog facility names and values */
+
+typedef struct syslog_fac_item {
+ uschar *name;
+ int value;
+} syslog_fac_item;
+
+/* constants */
+static const char * const hidden = "<value not displayable>";
+
+/* Static variables */
+
+static config_file_item *config_file_stack = NULL; /* For includes */
+
+static uschar *syslog_facility_str = NULL;
+static uschar next_section[24];
+static uschar time_buffer[24];
+
+/* State variables for conditional loading (.ifdef / .else / .endif) */
+
+static int cstate = 0;
+static int cstate_stack_ptr = -1;
+static int cstate_stack[CSTATE_STACK_SIZE];
+
+/* Table of state transitions for handling conditional inclusions. There are
+four possible state transitions:
+
+ .ifdef true
+ .ifdef false
+ .elifdef true (or .else)
+ .elifdef false
+
+.endif just causes the previous cstate to be popped off the stack */
+
+static int next_cstate[3][4] =
+ {
+ /* State 0: reading from file, or reading until next .else or .endif */
+ { 0, 1, 2, 2 },
+ /* State 1: condition failed, skipping until next .else or .endif */
+ { 2, 2, 0, 1 },
+ /* State 2: skipping until .endif */
+ { 2, 2, 2, 2 },
+ };
+
+/* Table of conditionals and the states to set. For each name, there are four
+values: the length of the name (to save computing it each time), the state to
+set if a macro was found in the line, the state to set if a macro was not found
+in the line, and a stack manipulation setting which is:
+
+ -1 pull state value off the stack
+ 0 don't alter the stack
+ +1 push value onto stack, before setting new state
+*/
+
+static cond_item cond_list[] = {
+ { US"ifdef", 5, 0, 1, 1 },
+ { US"ifndef", 6, 1, 0, 1 },
+ { US"elifdef", 7, 2, 3, 0 },
+ { US"elifndef", 8, 3, 2, 0 },
+ { US"else", 4, 2, 2, 0 },
+ { US"endif", 5, 0, 0, -1 }
+};
+
+static int cond_list_size = sizeof(cond_list)/sizeof(cond_item);
+
+/* Table of syslog facility names and their values */
+
+static syslog_fac_item syslog_list[] = {
+ { US"mail", LOG_MAIL },
+ { US"user", LOG_USER },
+ { US"news", LOG_NEWS },
+ { US"uucp", LOG_UUCP },
+ { US"local0", LOG_LOCAL0 },
+ { US"local1", LOG_LOCAL1 },
+ { US"local2", LOG_LOCAL2 },
+ { US"local3", LOG_LOCAL3 },
+ { US"local4", LOG_LOCAL4 },
+ { US"local5", LOG_LOCAL5 },
+ { US"local6", LOG_LOCAL6 },
+ { US"local7", LOG_LOCAL7 },
+ { US"daemon", LOG_DAEMON }
+};
+
+static int syslog_list_size = sizeof(syslog_list)/sizeof(syslog_fac_item);
+
router_instance *r;
transport_instance *t;
-for (i = 0; i < optionlist_config_size; i++)
+for (i = 0; i < nelem(optionlist_config); i++)
if (p == optionlist_config[i].value) return US optionlist_config[i].name;
-for (r = routers; r != NULL; r = r->next)
+for (r = routers; r; r = r->next)
{
router_info *ri = r->info;
for (i = 0; i < *ri->options_count; i++)
{
if ((ri->options[i].type & opt_mask) != opt_stringptr) continue;
- if (p == (char *)(r->options_block) + (long int)(ri->options[i].value))
+ if (p == CS (r->options_block) + (long int)(ri->options[i].value))
return US ri->options[i].name;
}
}
-for (t = transports; t != NULL; t = t->next)
+for (t = transports; t; t = t->next)
{
transport_info *ti = t->info;
for (i = 0; i < *ti->options_count; i++)
optionlist * op = &ti->options[i];
if ((op->type & opt_mask) != opt_stringptr) continue;
if (p == ( op->type & opt_public
- ? (char *)t
- : (char *)t->options_block
+ ? CS t
+ : CS t->options_block
)
+ (long int)op->value)
return US op->name;
* Deal with an assignment to a macro *
*************************************************/
+/* We have a new definition; append to the list.
+
+Args:
+ name Name of the macro. Must be in storage persistent past the call
+ val Expansion result for the macro. Ditto persistence.
+*/
+
+macro_item *
+macro_create(const uschar * name, const uschar * val, BOOL command_line)
+{
+macro_item * m = store_get(sizeof(macro_item));
+
+/* fprintf(stderr, "%s: '%s' '%s'\n", __FUNCTION__, name, val); */
+m->next = NULL;
+m->command_line = command_line;
+m->namelen = Ustrlen(name);
+m->replen = Ustrlen(val);
+m->name = name;
+m->replacement = val;
+if (mlast)
+ mlast->next = m;
+else
+ macros = m;
+mlast = m;
+return m;
+}
+
+
/* This function is called when a line that starts with an upper case letter is
encountered. The argument "line" should contain a complete logical line, and
start with the first letter of the macro name. The macro name and the
Arguments:
s points to the start of the logical line
-Returns: nothing
+Returns: FALSE iff fatal error
*/
-static void
-read_macro_assignment(uschar *s)
+BOOL
+macro_read_assignment(uschar *s)
{
uschar name[64];
int namelen = 0;
BOOL redef = FALSE;
macro_item *m;
-macro_item *mlast = NULL;
while (isalnum(*s) || *s == '_')
{
if (namelen >= sizeof(name) - 1)
- log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN,
+ {
+ log_write(0, LOG_PANIC|LOG_CONFIG_IN,
"macro name too long (maximum is " SIZE_T_FMT " characters)", sizeof(name) - 1);
+ return FALSE;
+ }
name[namelen++] = *s++;
}
name[namelen] = 0;
while (isspace(*s)) s++;
if (*s++ != '=')
- log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, "malformed macro definition");
+ {
+ log_write(0, LOG_PANIC|LOG_CONFIG_IN, "malformed macro definition");
+ return FALSE;
+ }
if (*s == '=')
{
just skip this definition. It's an error to attempt to redefine a macro without
redef set to TRUE, or to redefine a macro when it hasn't been defined earlier.
It is also an error to define a macro whose name begins with the name of a
-previously defined macro. Note: it is documented that the other way round
-works. */
+previously defined macro. This is the requirement that make using a tree
+for macros hard; we must check all macros for the substring. Perhaps a
+sorted list, and a bsearch, would work?
+Note: it is documented that the other way round works. */
-for (m = macros; m != NULL; m = m->next)
+for (m = macros; m; m = m->next)
{
- int len = Ustrlen(m->name);
-
if (Ustrcmp(m->name, name) == 0)
{
if (!m->command_line && !redef)
- log_write(0, LOG_CONFIG|LOG_PANIC_DIE, "macro \"%s\" is already "
+ {
+ log_write(0, LOG_CONFIG|LOG_PANIC, "macro \"%s\" is already "
"defined (use \"==\" if you want to redefine it", name);
+ return FALSE;
+ }
break;
}
- if (len < namelen && Ustrstr(name, m->name) != NULL)
- log_write(0, LOG_CONFIG|LOG_PANIC_DIE, "\"%s\" cannot be defined as "
+ if (m->namelen < namelen && Ustrstr(name, m->name) != NULL)
+ {
+ log_write(0, LOG_CONFIG|LOG_PANIC, "\"%s\" cannot be defined as "
"a macro because previously defined macro \"%s\" is a substring",
name, m->name);
+ return FALSE;
+ }
/* We cannot have this test, because it is documented that a substring
macro is permitted (there is even an example).
*
- * if (len > namelen && Ustrstr(m->name, name) != NULL)
+ * if (m->namelen > namelen && Ustrstr(m->name, name) != NULL)
* log_write(0, LOG_CONFIG|LOG_PANIC_DIE, "\"%s\" cannot be defined as "
* "a macro because it is a substring of previously defined macro \"%s\"",
* name, m->name);
*/
-
- mlast = m;
}
/* Check for an overriding command-line definition. */
-if (m != NULL && m->command_line) return;
+if (m && m->command_line) return TRUE;
/* Redefinition must refer to an existing macro. */
if (redef)
- {
- if (m == NULL)
- log_write(0, LOG_CONFIG|LOG_PANIC_DIE, "can't redefine an undefined macro "
+ if (m)
+ {
+ m->replen = Ustrlen(s);
+ m->replacement = string_copy(s);
+ }
+ else
+ {
+ log_write(0, LOG_CONFIG|LOG_PANIC, "can't redefine an undefined macro "
"\"%s\"", name);
- }
-
-/* We have a new definition. The macro_item structure includes a final vector
-called "name" which is one byte long. Thus, adding "namelen" gives us enough
-room to store the "name" string. */
+ return FALSE;
+ }
+/* We have a new definition. */
else
+ (void) macro_create(string_copy(name), string_copy(s), FALSE);
+return TRUE;
+}
+
+
+
+
+
+/* Process line for macros. The line is in big_buffer starting at offset len.
+Expand big_buffer if needed. Handle definitions of new macros, and
+imacro expansions, rewriting the line in thw buffer.
+
+Arguments:
+ len Offset in buffer of start of line
+ newlen Pointer to offset of end of line, updated on return
+ macro_found Pointer to return that a macro was expanded
+
+Return: pointer to first nonblank char in line
+*/
+
+uschar *
+macros_expand(int len, int * newlen, BOOL * macro_found)
+{
+uschar * ss = big_buffer + len;
+uschar * s;
+macro_item * m;
+
+/* Find the true start of the physical line - leading spaces are always
+ignored. */
+
+while (isspace(*ss)) ss++;
+
+/* Process the physical line for macros. If this is the start of the logical
+line, skip over initial text at the start of the line if it starts with an
+upper case character followed by a sequence of name characters and an equals
+sign, because that is the definition of a new macro, and we don't do
+replacement therein. */
+
+s = ss;
+if (len == 0 && isupper(*s))
{
- m = store_get(sizeof(macro_item) + namelen);
- if (macros == NULL) macros = m; else mlast->next = m;
- Ustrncpy(m->name, name, namelen);
- m->name[namelen] = 0;
- m->next = NULL;
- m->command_line = FALSE;
+ while (isalnum(*s) || *s == '_') s++;
+ while (isspace(*s)) s++;
+ if (*s != '=') s = ss; /* Not a macro definition */
}
-/* Set the value of the new or redefined macro */
+/* Skip leading chars which cannot start a macro name, to avoid multiple
+pointless rescans in Ustrstr calls. */
-m->replacement = string_copy(s);
-}
+while (*s && !isupper(*s) && *s != '_') s++;
+
+/* For each defined macro, scan the line (from after XXX= if present),
+replacing all occurrences of the macro. */
+
+*macro_found = FALSE;
+for (m = macros; m; m = m->next)
+ {
+ uschar * p, *pp;
+ uschar * t = s;
+
+ while ((p = Ustrstr(t, m->name)) != NULL)
+ {
+ int moveby;
+
+/* fprintf(stderr, "%s: matched '%s' in '%s'\n", __FUNCTION__, m->name, ss); */
+ /* Expand the buffer if necessary */
+ while (*newlen - m->namelen + m->replen + 1 > big_buffer_size)
+ {
+ int newsize = big_buffer_size + BIG_BUFFER_SIZE;
+ uschar *newbuffer = store_malloc(newsize);
+ memcpy(newbuffer, big_buffer, *newlen + 1);
+ p = newbuffer + (p - big_buffer);
+ s = newbuffer + (s - big_buffer);
+ ss = newbuffer + (ss - big_buffer);
+ t = newbuffer + (t - big_buffer);
+ big_buffer_size = newsize;
+ store_free(big_buffer);
+ big_buffer = newbuffer;
+ }
+ /* Shuffle the remaining characters up or down in the buffer before
+ copying in the replacement text. Don't rescan the replacement for this
+ same macro. */
+ pp = p + m->namelen;
+ if ((moveby = m->replen - m->namelen) != 0)
+ {
+ memmove(p + m->replen, pp, (big_buffer + *newlen) - pp + 1);
+ *newlen += moveby;
+ }
+ Ustrncpy(p, m->replacement, m->replen);
+ t = p + m->replen;
+ while (*t && !isupper(*t) && *t != '_') t++;
+ *macro_found = TRUE;
+ }
+ }
+/* An empty macro replacement at the start of a line could mean that ss no
+longer points to the first non-blank character. */
+
+while (isspace(*ss)) ss++;
+return ss;
+}
/*************************************************
* Read configuration line *
int len = 0; /* Of logical line so far */
int newlen;
uschar *s, *ss;
-macro_item *m;
BOOL macro_found;
/* Loop for handling continuation lines, skipping comments, and dealing with
(void)fclose(config_file);
config_file = config_file_stack->file;
config_filename = config_file_stack->filename;
+ config_directory = config_file_stack->directory;
config_lineno = config_file_stack->lineno;
config_file_stack = config_file_stack->next;
+ if (config_lines)
+ save_config_position(config_filename, config_lineno);
continue;
}
config_lineno++;
newlen = len + Ustrlen(big_buffer + len);
+ if (config_lines && config_lineno == 1)
+ save_config_position(config_filename, config_lineno);
+
/* Handle pathologically long physical lines - yes, it did happen - by
extending big_buffer at this point. The code also copes with very long
logical lines. */
newlen += Ustrlen(big_buffer + newlen);
}
- /* Find the true start of the physical line - leading spaces are always
- ignored. */
-
- ss = big_buffer + len;
- while (isspace(*ss)) ss++;
-
- /* Process the physical line for macros. If this is the start of the logical
- line, skip over initial text at the start of the line if it starts with an
- upper case character followed by a sequence of name characters and an equals
- sign, because that is the definition of a new macro, and we don't do
- replacement therein. */
-
- s = ss;
- if (len == 0 && isupper(*s))
- {
- while (isalnum(*s) || *s == '_') s++;
- while (isspace(*s)) s++;
- if (*s != '=') s = ss; /* Not a macro definition */
- }
-
- /* For each defined macro, scan the line (from after XXX= if present),
- replacing all occurrences of the macro. */
-
- macro_found = FALSE;
- for (m = macros; m != NULL; m = m->next)
- {
- uschar *p, *pp;
- uschar *t = s;
-
- while ((p = Ustrstr(t, m->name)) != NULL)
- {
- int moveby;
- int namelen = Ustrlen(m->name);
- int replen = Ustrlen(m->replacement);
-
- /* Expand the buffer if necessary */
-
- while (newlen - namelen + replen + 1 > big_buffer_size)
- {
- int newsize = big_buffer_size + BIG_BUFFER_SIZE;
- uschar *newbuffer = store_malloc(newsize);
- memcpy(newbuffer, big_buffer, newlen + 1);
- p = newbuffer + (p - big_buffer);
- s = newbuffer + (s - big_buffer);
- ss = newbuffer + (ss - big_buffer);
- t = newbuffer + (t - big_buffer);
- big_buffer_size = newsize;
- store_free(big_buffer);
- big_buffer = newbuffer;
- }
-
- /* Shuffle the remaining characters up or down in the buffer before
- copying in the replacement text. Don't rescan the replacement for this
- same macro. */
-
- pp = p + namelen;
- moveby = replen - namelen;
- if (moveby != 0)
- {
- memmove(p + replen, pp, (big_buffer + newlen) - pp + 1);
- newlen += moveby;
- }
- Ustrncpy(p, m->replacement, replen);
- t = p + replen;
- macro_found = TRUE;
- }
- }
-
- /* An empty macro replacement at the start of a line could mean that ss no
- longer points to the first non-blank character. */
-
- while (isspace(*ss)) ss++;
+ ss = macros_expand(len, &newlen, ¯o_found);
/* Check for comment lines - these are physical lines. */
}
*t = 0;
+ /* We allow relative file names. For security reasons currently
+ relative names not allowed with .include_if_exists. For .include_if_exists
+ we need to check the permissions/ownership of the containing folder */
if (*ss != '/')
- log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, ".include specifies a non-"
- "absolute path \"%s\"", ss);
+ if (include_if_exists) log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, ".include specifies a non-"
+ "absolute path \"%s\"", ss);
+ else
+ {
+ gstring * g = string_append(NULL, 3, config_directory, "/", ss);
+ ss = string_from_gstring(g);
+ }
if (include_if_exists != 0 && (Ustat(ss, &statbuf) != 0)) continue;
+ if (config_lines)
+ save_config_position(config_filename, config_lineno);
save = store_get(sizeof(config_file_item));
save->next = config_file_stack;
config_file_stack = save;
save->file = config_file;
save->filename = config_filename;
+ save->directory = config_directory;
save->lineno = config_lineno;
- config_file = Ufopen(ss, "rb");
- if (config_file == NULL)
+ if (!(config_file = Ufopen(ss, "rb")))
log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, "failed to open included "
"configuration file %s", ss);
+
config_filename = string_copy(ss);
+ config_directory = string_copyn(ss, CUstrrchr(ss, '/') - ss);
config_lineno = 0;
continue;
}
section names do fit. Leave space for pluralizing. */
s = big_buffer + startoffset; /* First non-space character */
+
+if (config_lines)
+ save_config_line(s);
+
if (strncmpic(s, US"begin ", 6) == 0)
{
s += 6;
{
int middle = (first + last)/2;
int c = Ustrcmp(name, ol[middle].name);
+
if (c == 0) return ol + middle;
- else if (c > 0) first = middle + 1;
- else last = middle;
+ else if (c > 0) first = middle + 1;
+ else last = middle;
}
return NULL;
}
if (ol == NULL) log_write(0, LOG_MAIN|LOG_PANIC_DIE,
"Exim internal error: missing set flag for %s", name);
return (data_block == NULL)? (BOOL *)(ol->value) :
- (BOOL *)((uschar *)data_block + (long int)(ol->value));
+ (BOOL *)(US data_block + (long int)(ol->value));
}
uschar *inttype = US"";
uschar *sptr;
uschar *s = buffer;
-uschar *saved_condition, *strtemp;
uschar **str_target;
uschar name[64];
uschar name2[64];
/* Search the list for the given name. A non-existent name, or an option that
is set twice, is a disaster. */
-ol = find_option(name + offset, oltop, last);
-
-if (ol == NULL)
+if (!(ol = find_option(name + offset, oltop, last)))
{
if (unknown_txt == NULL) return FALSE;
log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, CS unknown_txt, name);
control block and flags word. */
case opt_stringptr:
- if (data_block == NULL)
- str_target = (uschar **)(ol->value);
- else
- str_target = (uschar **)((uschar *)data_block + (long int)(ol->value));
+ str_target = data_block ? USS (US data_block + (long int)(ol->value))
+ : USS (ol->value);
if (ol->type & opt_rep_con)
{
+ uschar * saved_condition;
/* We already have a condition, we're conducting a crude hack to let
multiple condition rules be chained together, despite storing them in
text form. */
- saved_condition = *str_target;
- strtemp = string_sprintf("${if and{{bool_lax{%s}}{bool_lax{%s}}}}",
- saved_condition, sptr);
- *str_target = string_copy_malloc(strtemp);
+ *str_target = string_copy_malloc( (saved_condition = *str_target)
+ ? string_sprintf("${if and{{bool_lax{%s}}{bool_lax{%s}}}}",
+ saved_condition, sptr)
+ : sptr);
/* TODO(pdp): there is a memory leak here and just below
when we set 3 or more conditions; I still don't
understand the store mechanism enough to know
int sep_i = -(int)sep_o;
const uschar * list = sptr;
uschar * s;
- uschar * list_o = *str_target;
+ gstring * list_o = NULL;
+
+ if (*str_target)
+ {
+ list_o = string_get(Ustrlen(*str_target) + Ustrlen(sptr));
+ list_o = string_cat(list_o, *str_target);
+ }
while ((s = string_nextinlist(&list, &sep_i, NULL, 0)))
list_o = string_append_listele(list_o, sep_o, s);
+
if (list_o)
- *str_target = string_copy_malloc(list_o);
+ *str_target = string_copy_malloc(string_from_gstring(list_o));
}
else
{
break;
case opt_rewrite:
- if (data_block == NULL)
- *((uschar **)(ol->value)) = sptr;
+ if (data_block)
+ *USS (US data_block + (long int)(ol->value)) = sptr;
else
- *((uschar **)((uschar *)data_block + (long int)(ol->value))) = sptr;
+ *USS (ol->value) = sptr;
freesptr = FALSE;
if (type == opt_rewrite)
{
}
else
{
- chain = (rewrite_rule **)((uschar *)data_block + (long int)(ol2->value));
- flagptr = (int *)((uschar *)data_block + (long int)(ol3->value));
+ chain = (rewrite_rule **)(US data_block + (long int)(ol2->value));
+ flagptr = (int *)(US data_block + (long int)(ol3->value));
}
while ((p = string_nextinlist(CUSS &sptr, &sep, big_buffer, BIG_BUFFER_SIZE)))
if (data_block == NULL)
*((uschar **)(ol2->value)) = ss;
else
- *((uschar **)((uschar *)data_block + (long int)(ol2->value))) = ss;
+ *((uschar **)(US data_block + (long int)(ol2->value))) = ss;
if (ss != NULL)
{
if (data_block == NULL)
*((uid_t *)(ol->value)) = uid;
else
- *((uid_t *)((uschar *)data_block + (long int)(ol->value))) = uid;
+ *((uid_t *)(US data_block + (long int)(ol->value))) = uid;
/* Set the flag indicating a fixed value is set */
if (data_block == NULL)
*((gid_t *)(ol2->value)) = pw->pw_gid;
else
- *((gid_t *)((uschar *)data_block + (long int)(ol2->value))) = pw->pw_gid;
+ *((gid_t *)(US data_block + (long int)(ol2->value))) = pw->pw_gid;
*set_flag = TRUE;
}
}
if (data_block == NULL)
*((uschar **)(ol2->value)) = ss;
else
- *((uschar **)((uschar *)data_block + (long int)(ol2->value))) = ss;
+ *((uschar **)(US data_block + (long int)(ol2->value))) = ss;
if (ss != NULL)
{
if (data_block == NULL)
*((gid_t *)(ol->value)) = gid;
else
- *((gid_t *)((uschar *)data_block + (long int)(ol->value))) = gid;
+ *((gid_t *)(US data_block + (long int)(ol->value))) = gid;
*(get_set_flag(name, oltop, last, data_block)) = TRUE;
break;
if (data_block == NULL)
*((uid_t **)(ol->value)) = list;
else
- *((uid_t **)((uschar *)data_block + (long int)(ol->value))) = list;
+ *((uid_t **)(US data_block + (long int)(ol->value))) = list;
p = op;
while (count-- > 1)
if (data_block == NULL)
*((gid_t **)(ol->value)) = list;
else
- *((gid_t **)((uschar *)data_block + (long int)(ol->value))) = list;
+ *((gid_t **)(US data_block + (long int)(ol->value))) = list;
p = op;
while (count-- > 1)
if (data_block == NULL)
*((uschar **)(ol2->value)) = sptr;
else
- *((uschar **)((uschar *)data_block + (long int)(ol2->value))) = sptr;
+ *((uschar **)(US data_block + (long int)(ol2->value))) = sptr;
freesptr = FALSE;
break;
}
int bit = 1 << ((ol->type >> 16) & 31);
int *ptr = (data_block == NULL)?
(int *)(ol->value) :
- (int *)((uschar *)data_block + (long int)ol->value);
+ (int *)(US data_block + (long int)ol->value);
if (boolvalue) *ptr |= bit; else *ptr &= ~bit;
break;
}
if (data_block == NULL)
*((BOOL *)(ol->value)) = boolvalue;
else
- *((BOOL *)((uschar *)data_block + (long int)(ol->value))) = boolvalue;
+ *((BOOL *)(US data_block + (long int)(ol->value))) = boolvalue;
/* Verify fudge */
if (data_block == NULL)
*((BOOL *)(ol2->value)) = boolvalue;
else
- *((BOOL *)((uschar *)data_block + (long int)(ol2->value))) = boolvalue;
+ *((BOOL *)(US data_block + (long int)(ol2->value))) = boolvalue;
}
}
if (data_block == NULL)
*((BOOL *)(ol2->value)) = TRUE;
else
- *((BOOL *)((uschar *)data_block + (long int)(ol2->value))) = TRUE;
+ *((BOOL *)(US data_block + (long int)(ol2->value))) = TRUE;
}
}
break;
inttype = US"octal ";
/* Integer: a simple(ish) case; allow octal and hex formats, and
- suffixes K and M. The different types affect output, not input. */
+ suffixes K, M and G. The different types affect output, not input. */
case opt_mkint:
case opt_int:
inttype, name);
if (errno != ERANGE)
- {
if (tolower(*endptr) == 'k')
{
if (lvalue > INT_MAX/1024 || lvalue < INT_MIN/1024) errno = ERANGE;
else lvalue *= 1024*1024;
endptr++;
}
- }
+ else if (tolower(*endptr) == 'g')
+ {
+ if (lvalue > INT_MAX/(1024*1024*1024) || lvalue < INT_MIN/(1024*1024*1024))
+ errno = ERANGE;
+ else lvalue *= 1024*1024*1024;
+ endptr++;
+ }
if (errno == ERANGE || lvalue > INT_MAX || lvalue < INT_MIN)
log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN,
if (data_block == NULL)
*((int *)(ol->value)) = value;
else
- *((int *)((uschar *)data_block + (long int)(ol->value))) = value;
+ *((int *)(US data_block + (long int)(ol->value))) = value;
break;
- /* Integer held in K: again, allow octal and hex formats, and suffixes K and
- M. */
+ /* Integer held in K: again, allow octal and hex formats, and suffixes K, M
+ and G. */
+ /*XXX consider moving to int_eximarith_t (but mind the overflow test 0415) */
case opt_Kint:
{
inttype, name);
if (errno != ERANGE)
- {
- if (tolower(*endptr) == 'm')
+ if (tolower(*endptr) == 'g')
{
- if (value > INT_MAX/1024 || value < INT_MIN/1024) errno = ERANGE;
- else value *= 1024;
+ if (value > INT_MAX/(1024*1024) || value < INT_MIN/(1024*1024))
+ errno = ERANGE;
+ else
+ value *= 1024*1024;
endptr++;
}
- else if (tolower(*endptr) == 'k')
+ else if (tolower(*endptr) == 'm')
{
+ if (value > INT_MAX/1024 || value < INT_MIN/1024)
+ errno = ERANGE;
+ else
+ value *= 1024;
endptr++;
}
+ else if (tolower(*endptr) == 'k')
+ endptr++;
else
- {
value = (value + 512)/1024;
- }
- }
if (errno == ERANGE) log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN,
"absolute value of integer \"%s\" is too large (overflow)", s);
if (data_block == NULL)
*((int *)(ol->value)) = value;
else
- *((int *)((uschar *)data_block + (long int)(ol->value))) = value;
+ *((int *)(US data_block + (long int)(ol->value))) = value;
break;
/* Fixed-point number: held to 3 decimal places. */
if (value < 0) log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN,
"integer \"%s\" is too large (overflow)", s);
+ /* We get a coverity error here for using count, as it derived
+ from the tainted buffer pointed to by s, as parsed by sscanf().
+ By the definition of sscanf we must be accessing between start
+ and end of s (assuming it is nul-terminated...) so ignore the error. */
+ /* coverity[tainted_data] */
if (s[count] == '.')
{
int d = 100;
if (data_block == NULL)
*((int *)(ol->value)) = value;
else
- *((int *)((uschar *)data_block + (long int)(ol->value))) = value;
+ *((int *)(US data_block + (long int)(ol->value))) = value;
break;
/* There's a special routine to read time values. */
if (data_block == NULL)
*((int *)(ol->value)) = value;
else
- *((int *)((uschar *)data_block + (long int)(ol->value))) = value;
+ *((int *)(US data_block + (long int)(ol->value))) = value;
break;
/* A time list is a list of colon-separated times, with the first
int count = 0;
int *list = (data_block == NULL)?
(int *)(ol->value) :
- (int *)((uschar *)data_block + (long int)(ol->value));
+ (int *)(US data_block + (long int)(ol->value));
if (*s != 0) for (count = 1; count <= list[0] - 2; count++)
{
d = t % 7;
w = t/7;
-if (w > 0) { sprintf(CS p, "%dw", w); while (*p) p++; }
-if (d > 0) { sprintf(CS p, "%dd", d); while (*p) p++; }
-if (h > 0) { sprintf(CS p, "%dh", h); while (*p) p++; }
-if (m > 0) { sprintf(CS p, "%dm", m); while (*p) p++; }
+if (w > 0) p += sprintf(CS p, "%dw", w);
+if (d > 0) p += sprintf(CS p, "%dd", d);
+if (h > 0) p += sprintf(CS p, "%dh", h);
+if (m > 0) p += sprintf(CS p, "%dm", m);
if (s > 0 || p == time_buffer) sprintf(CS p, "%ds", s);
return time_buffer;
if (!admin_user && (ol->type & opt_secure) != 0)
{
- const char * const hidden = "<value not displayable>";
if (no_labels)
printf("%s\n", hidden);
else
{
if ((ol->type & opt_public) == 0)
options_block = (void *)(((driver_instance *)options_block)->options_block);
- value = (void *)((uschar *)options_block + (long int)value);
+ value = (void *)(US options_block + (long int)value);
}
switch(ol->type & opt_mask)
{
void *value2 = ol2->value;
if (options_block != NULL)
- value2 = (void *)((uschar *)options_block + (long int)value2);
+ value2 = (void *)(US options_block + (long int)value2);
s = *((uschar **)value2);
if (!no_labels) printf("%s = ", name);
printf("%s\n", (s == NULL)? US"" : string_printing(s));
{
void *value2 = ol2->value;
if (options_block != NULL)
- value2 = (void *)((uschar *)options_block + (long int)value2);
+ value2 = (void *)(US options_block + (long int)value2);
s = *((uschar **)value2);
if (!no_labels) printf("%s = ", name);
printf("%s\n", (s == NULL)? US"" : string_printing(s));
{
void *value2 = ol2->value;
if (options_block != NULL)
- value2 = (void *)((uschar *)options_block + (long int)value2);
+ value2 = (void *)(US options_block + (long int)value2);
s = *((uschar **)value2);
if (s != NULL)
{
second argument is NULL. There are some special values:
all print all main configuration options
- configure_file print the name of the configuration file
+ config_file print the name of the configuration file
+ (configure_file will still work, for backward
+ compatibility)
routers print the routers' configurations
transports print the transports' configuration
authenticators print the authenticators' configuration
macro_list print a list of macro names
+name print a named list item
local_scan print the local_scan options
+ config print the configuration as it is parsed
+ environment print the used execution environment
If the second argument is not NULL, it must be one of "router", "transport",
"authenticator" or "macro" in which case the first argument identifies the
return;
}
- if (Ustrcmp(name, "configure_file") == 0)
+ if ( Ustrcmp(name, "configure_file") == 0
+ || Ustrcmp(name, "config_file") == 0)
{
printf("%s\n", CS config_main_filename);
return;
if (Ustrcmp(name, "all") == 0)
{
for (ol = optionlist_config;
- ol < optionlist_config + optionlist_config_size; ol++)
+ ol < optionlist_config + nelem(optionlist_config); ol++)
{
if ((ol->type & opt_hidden) == 0)
print_ol(ol, US ol->name, NULL,
- optionlist_config, optionlist_config_size,
+ optionlist_config, nelem(optionlist_config),
no_labels);
}
return;
return;
}
+ if (Ustrcmp(name, "config") == 0)
+ {
+ print_config(admin_user, no_labels);
+ return;
+ }
+
if (Ustrcmp(name, "routers") == 0)
{
type = US"router";
names_only = TRUE;
}
+ else if (Ustrcmp(name, "environment") == 0)
+ {
+ if (environ)
+ {
+ uschar ** p;
+ for (p = USS environ; *p; p++) ;
+ qsort(environ, p - USS environ, sizeof(*p), string_compare_by_pointer);
+
+ for (p = USS environ; *p; p++)
+ {
+ uschar * q;
+ if (no_labels && (q = Ustrchr(*p, '='))) *q = '\0';
+ puts(CS *p);
+ }
+ }
+ return;
+ }
+
else
{
- print_ol(find_option(name, optionlist_config, optionlist_config_size),
- name, NULL, optionlist_config, optionlist_config_size, no_labels);
+ print_ol(find_option(name, optionlist_config, nelem(optionlist_config)),
+ name, NULL, optionlist_config, nelem(optionlist_config), no_labels);
return;
}
}
fprintf(stderr, "exim: permission denied\n");
exit(EXIT_FAILURE);
}
- for (m = macros; m != NULL; m = m->next)
- {
- if (name == NULL || Ustrcmp(name, m->name) == 0)
+ for (m = macros; m; m = m->next)
+ if (!name || Ustrcmp(name, m->name) == 0)
{
if (names_only)
printf("%s\n", CS m->name);
else
printf("%s=%s\n", CS m->name, CS m->replacement);
- if (name != NULL)
+ if (name)
return;
}
- }
- if (name != NULL)
+ if (name)
printf("%s %s not found\n", type, name);
return;
}
#ifdef SUPPORT_TLS
static BOOL
-tls_dropprivs_validate_require_cipher(void)
+tls_dropprivs_validate_require_cipher(BOOL nowarn)
{
const uschar *errmsg;
pid_t pid;
int rc, status;
void (*oldsignal)(int);
+/* If TLS will never be used, no point checking ciphers */
+
+if ( !tls_advertise_hosts
+ || !*tls_advertise_hosts
+ || Ustrcmp(tls_advertise_hosts, ":") == 0
+ )
+ return TRUE;
+else if (!nowarn && !tls_certificate)
+ log_write(0, LOG_MAIN,
+ "Warning: No server certificate defined; will use a selfsigned one.\n"
+ " Suggested action: either install a certificate or change tls_advertise_hosts option");
+
oldsignal = signal(SIGCHLD, SIG_DFL);
fflush(NULL);
exim_setugid(exim_uid, exim_gid, FALSE,
US"calling tls_validate_require_cipher");
- errmsg = tls_validate_require_cipher();
- if (errmsg)
- {
+ if ((errmsg = tls_validate_require_cipher()))
log_write(0, LOG_PANIC_DIE|LOG_CONFIG,
"tls_require_ciphers invalid: %s", errmsg);
- }
fflush(NULL);
_exit(0);
}
options. */
void
-readconf_main(void)
+readconf_main(BOOL nowarn)
{
int sep = 0;
struct stat statbuf;
/* Loop through the possible file names */
-while((filename = string_nextinlist(&list, &sep, big_buffer, big_buffer_size))
- != NULL)
+while((filename = string_nextinlist(&list, &sep, big_buffer, big_buffer_size)))
{
+
/* Cut out all the fancy processing unless specifically wanted */
#if defined(CONFIGURE_FILE_USE_NODE) || defined(CONFIGURE_FILE_USE_EUID)
config_main_filename is the name shown by -bP. Failure to open a configuration
file is a serious disaster. */
-if (config_file != NULL)
+if (config_file)
{
- uschar *p;
+ uschar *last_slash = Ustrrchr(filename, '/');
config_filename = config_main_filename = string_copy(filename);
- p = Ustrrchr(filename, '/');
- config_main_directory = p ? string_copyn(filename, p - filename)
- : string_copy(US".");
+ /* The config_main_directory we need for the $config_dir expansion.
+ config_main_filename we need for $config_file expansion.
+ And config_dir is the directory of the current configuration, used for
+ relative .includes. We do need to know it's name, as we change our working
+ directory later. */
+
+ if (filename[0] == '/')
+ config_main_directory = last_slash == filename ? US"/" : string_copyn(filename, last_slash - filename);
+ else
+ {
+ /* relative configuration file name: working dir + / + basename(filename) */
+
+ uschar buf[PATH_MAX];
+ gstring * g;
+
+ if (os_getcwd(buf, PATH_MAX) == NULL)
+ {
+ perror("exim: getcwd");
+ exit(EXIT_FAILURE);
+ }
+ g = string_cat(NULL, buf);
+
+ /* If the dir does not end with a "/", append one */
+ if (g->s[g->ptr-1] != '/')
+ g = string_catn(g, US"/", 1);
+
+ /* If the config file contains a "/", extract the directory part */
+ if (last_slash)
+ g = string_catn(g, filename, last_slash - filename);
+
+ config_main_directory = string_from_gstring(g);
+ }
+ config_directory = config_main_directory;
}
else
{
"configuration file %s", filename));
}
+/* Now, once we found and opened our configuration file, we change the directory
+to a safe place. Later we change to $spool_directory. */
+
+if (Uchdir("/") < 0)
+ {
+ perror("exim: chdir `/': ");
+ exit(EXIT_FAILURE);
+ }
+
/* Check the status of the file we have opened, if we have retained root
privileges and the file isn't /dev/null (which *should* be 0666). */
letter. If we see something starting with an upper case letter, it is taken as
a macro definition. */
-while ((s = get_config_line()) != NULL)
+while ((s = get_config_line()))
{
- if (isupper(s[0])) read_macro_assignment(s);
+ if (config_lineno == 1 && Ustrstr(s, "\xef\xbb\xbf") == s)
+ log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN,
+ "found unexpected BOM (Byte Order Mark)");
+
+ if (isupper(s[0]))
+ { if (!macro_read_assignment(s)) exim_exit(EXIT_FAILURE, US""); }
else if (Ustrncmp(s, "domainlist", 10) == 0)
read_named_list(&domainlist_anchor, &domainlist_count,
openlog(). Default is LOG_MAIL set in globals.c. Allow the user to omit the
leading "log_". */
-if (syslog_facility_str != NULL)
+if (syslog_facility_str)
{
int i;
uschar *s = syslog_facility_str;
s += 4;
for (i = 0; i < syslog_list_size; i++)
- {
if (strcmpic(s, syslog_list[i].name) == 0)
{
syslog_facility = syslog_list[i].value;
break;
}
- }
if (i >= syslog_list_size)
- {
log_write(0, LOG_PANIC_DIE|LOG_CONFIG,
"failed to interpret syslog_facility \"%s\"", syslog_facility_str);
- }
}
/* Expand pid_file_path */
if (*pid_file_path != 0)
{
- s = expand_string(pid_file_path);
- if (s == NULL)
+ if (!(s = expand_string(pid_file_path)))
log_write(0, LOG_MAIN|LOG_PANIC_DIE, "failed to expand pid_file_path "
"\"%s\": %s", pid_file_path, expand_string_message);
pid_file_path = s;
/* Set default value of process_log_path */
-if (process_log_path == NULL || *process_log_path =='\0')
+if (!process_log_path || *process_log_path =='\0')
process_log_path = string_sprintf("%s/exim-process.info", spool_directory);
/* Compile the regex for matching a UUCP-style "From_" line in an incoming
/* Unpick the SMTP rate limiting options, if set */
-if (smtp_ratelimit_mail != NULL)
- {
+if (smtp_ratelimit_mail)
unpick_ratelimit(smtp_ratelimit_mail, &smtp_rlm_threshold,
&smtp_rlm_base, &smtp_rlm_factor, &smtp_rlm_limit);
- }
-if (smtp_ratelimit_rcpt != NULL)
- {
+if (smtp_ratelimit_rcpt)
unpick_ratelimit(smtp_ratelimit_rcpt, &smtp_rlr_threshold,
&smtp_rlr_base, &smtp_rlr_factor, &smtp_rlr_limit);
- }
/* The qualify domains default to the primary host name */
-if (qualify_domain_sender == NULL)
+if (!qualify_domain_sender)
qualify_domain_sender = primary_hostname;
-if (qualify_domain_recipient == NULL)
+if (!qualify_domain_recipient)
qualify_domain_recipient = qualify_domain_sender;
/* Setting system_filter_user in the configuration sets the gid as well if a
if (system_filter_uid_set && !system_filter_gid_set)
{
struct passwd *pw = getpwuid(system_filter_uid);
- if (pw == NULL)
+ if (!pw)
log_write(0, LOG_MAIN|LOG_PANIC_DIE, "Failed to look up uid %ld",
(long int)system_filter_uid);
system_filter_gid = pw->pw_gid;
/* If the errors_reply_to field is set, check that it is syntactically valid
and ensure it contains a domain. */
-if (errors_reply_to != NULL)
+if (errors_reply_to)
{
uschar *errmess;
int start, end, domain;
uschar *recipient = parse_extract_address(errors_reply_to, &errmess,
&start, &end, &domain, FALSE);
- if (recipient == NULL)
+ if (!recipient)
log_write(0, LOG_PANIC_DIE|LOG_CONFIG,
"error in errors_reply_to (%s): %s", errors_reply_to, errmess);
so that it can be computed from the host name, for example. We do this last
so as to ensure that everything else is set up before the expansion. */
-if (host_number_string != NULL)
+if (host_number_string)
{
long int n;
uschar *end;
uschar *s = expand_string(host_number_string);
- if (s == NULL)
+
+ if (!s)
log_write(0, LOG_MAIN|LOG_PANIC_DIE,
"failed to expand localhost_number \"%s\": %s",
host_number_string, expand_string_message);
#ifdef SUPPORT_TLS
/* If tls_verify_hosts is set, tls_verify_certificates must also be set */
-if ((tls_verify_hosts != NULL || tls_try_verify_hosts != NULL) &&
- tls_verify_certificates == NULL)
+if ((tls_verify_hosts || tls_try_verify_hosts) && !tls_verify_certificates)
log_write(0, LOG_PANIC_DIE|LOG_CONFIG,
"tls_%sverify_hosts is set, but tls_verify_certificates is not set",
- (tls_verify_hosts != NULL)? "" : "try_");
+ tls_verify_hosts ? "" : "try_");
/* This also checks that the library linkage is working and we can call
routines in it, so call even if tls_require_ciphers is unset */
-if (!tls_dropprivs_validate_require_cipher())
+if (!tls_dropprivs_validate_require_cipher(nowarn))
exit(1);
/* Magic number: at time of writing, 1024 has been the long-standing value
"tls_dh_max_bits is too small, must be at least 1024 for interop");
/* If openssl_options is set, validate it */
-if (openssl_options != NULL)
+if (openssl_options)
{
# ifdef USE_GNUTLS
log_write(0, LOG_PANIC_DIE|LOG_CONFIG,
"openssl_options is set but we're using GnuTLS");
# else
long dummy;
- if (!(tls_openssl_options_parse(openssl_options, &dummy)))
+ if (!tls_openssl_options_parse(openssl_options, &dummy))
log_write(0, LOG_PANIC_DIE|LOG_CONFIG,
"openssl_options parse error: %s", openssl_options);
# endif
}
-
-if (gnutls_require_kx || gnutls_require_mac || gnutls_require_proto)
- log_write(0, LOG_MAIN, "WARNING: main options"
- " gnutls_require_kx, gnutls_require_mac and gnutls_require_protocols"
- " are obsolete\n");
#endif /*SUPPORT_TLS*/
+
+if (!nowarn && !keep_environment && environ && *environ)
+ log_write(0, LOG_MAIN,
+ "Warning: purging the environment.\n"
+ " Suggested action: use keep_environment.");
}
driver_info *dd;
for (dd = drivers_available; dd->driver_name[0] != 0;
- dd = (driver_info *)(((uschar *)dd) + size_of_info))
+ dd = (driver_info *)((US dd) + size_of_info))
{
if (Ustrcmp(d->driver_name, dd->driver_name) == 0)
{
if (isupper(*name) && *s == '=')
{
- if (d != NULL)
+ if (d)
{
- if (d->driver_name == NULL)
+ if (!d->driver_name)
log_write(0, LOG_PANIC_DIE|LOG_CONFIG,
"no driver defined for %s \"%s\"", class, d->name);
(d->info->init)(d);
d = NULL;
}
- read_macro_assignment(buffer);
+ if (!macro_read_assignment(buffer)) exim_exit(EXIT_FAILURE, US"");
continue;
}
/* Finish off initializing the previous driver. */
- if (d != NULL)
+ if (d)
{
- if (d->driver_name == NULL)
+ if (!d->driver_name)
log_write(0, LOG_PANIC_DIE|LOG_CONFIG,
"no driver defined for %s \"%s\"", class, d->name);
(d->info->init)(d);
/* Check that we haven't already got a driver of this name */
- for (d = *anchor; d != NULL; d = d->next)
+ for (d = *anchor; d; d = d->next)
if (Ustrcmp(name, d->name) == 0)
log_write(0, LOG_PANIC_DIE|LOG_CONFIG,
"there are two %ss called \"%s\"", class, name);
d = store_get(instance_size);
memcpy(d, instance_default, instance_size);
*p = d;
- p = &(d->next);
+ p = &d->next;
d->name = string_copy(name);
/* Clear out the "set" bits in the generic options */
/* Not the start of a new driver. Give an error if we have not set up a
current driver yet. */
- if (d == NULL) log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN,
- "%s name missing", class);
+ if (!d)
+ log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, "%s name missing", class);
/* First look to see if this is a generic option; if it is "driver",
initialize the driver. If is it not a generic option, we can look for a
if (readconf_handle_option(buffer, driver_optionlist,
driver_optionlist_count, d, NULL))
{
- if (d->info == NULL && d->driver_name != NULL)
+ if (!d->info && d->driver_name)
init_driver(d, drivers_available, size_of_info, class);
}
live therein. A flag with each option indicates if it is in the public
block. */
- else if (d->info != NULL)
- {
+ else if (d->info)
readconf_handle_option(buffer, d->info->options,
*(d->info->options_count), d, US"option \"%s\" unknown");
- }
/* The option is not generic and the driver name has not yet been given. */
/* Run the initialization function for the final driver. */
-if (d != NULL)
+if (d)
{
- if (d->driver_name == NULL)
+ if (!d->driver_name)
log_write(0, LOG_PANIC_DIE|LOG_CONFIG,
"no driver defined for %s \"%s\"", class, d->name);
(d->info->init)(d);
int type = ol->type & opt_mask;
if (type != opt_stringptr) continue;
options_block = ((ol->type & opt_public) == 0)? d->options_block : (void *)d;
- value = *(uschar **)((uschar *)options_block + (long int)(ol->value));
+ value = *(uschar **)(US options_block + (long int)(ol->value));
if (value != NULL && (ss = Ustrstr(value, s)) != NULL)
{
if (ss <= value || (ss[-1] != '$' && ss[-1] != '{') ||
static int values[] =
{ 'A', 'M', RTEF_CTOUT, RTEF_CTOUT|'A', RTEF_CTOUT|'M' };
- for (i = 0; i < sizeof(extras)/sizeof(uschar *); i++)
+ for (i = 0; i < nelem(extras); i++)
if (strncmpic(x, extras[i], xlen) == 0)
{
*more_errno = values[i];
break;
}
- if (i >= sizeof(extras)/sizeof(uschar *))
+ if (i >= nelem(extras))
if (strncmpic(x, US"DNS", xlen) == 0)
log_write(0, LOG_MAIN|LOG_PANIC, "\"timeout_dns\" is no longer "
"available in retry rules (it has never worked) - treated as "
auths_init(void)
{
auth_instance *au, *bu;
+
readconf_driver_init(US"authenticator",
(driver_instance **)(&auths), /* chain anchor */
(driver_info *)auths_available, /* available drivers */
optionlist_auths, /* generic options */
optionlist_auths_size);
-for (au = auths; au != NULL; au = au->next)
+for (au = auths; au; au = au->next)
{
- if (au->public_name == NULL)
+ if (!au->public_name)
log_write(0, LOG_PANIC_DIE|LOG_CONFIG, "no public name specified for "
"the %s authenticator", au->name);
- for (bu = au->next; bu != NULL; bu = bu->next)
- {
+
+ for (bu = au->next; bu; bu = bu->next)
if (strcmpic(au->public_name, bu->public_name) == 0)
- {
if ((au->client && bu->client) || (au->server && bu->server))
log_write(0, LOG_PANIC_DIE|LOG_CONFIG, "two %s authenticators "
"(%s and %s) have the same public name (%s)",
- (au->client)? US"client" : US"server", au->name, bu->name,
+ au->client ? US"client" : US"server", au->name, bu->name,
au->public_name);
- }
- }
}
}
acl_line = get_config_line();
-while(acl_line != NULL)
+while(acl_line)
{
uschar name[64];
tree_node *node;
p = readconf_readname(name, sizeof(name), acl_line);
if (isupper(*name) && *p == '=')
{
- read_macro_assignment(acl_line);
+ if (!macro_read_assignment(acl_line)) exim_exit(EXIT_FAILURE, US"");
acl_line = get_config_line();
continue;
}
#else
uschar *p;
-while ((p = get_config_line()) != NULL)
+while ((p = get_config_line()))
{
(void) readconf_handle_option(p, local_scan_options, local_scan_options_count,
NULL, US"local_scan option \"%s\" unknown");
{
int bit;
int first = 0;
- int last = sizeof(section_list) / sizeof(uschar *);
+ int last = nelem(section_list);
int mid = last/2;
int n = Ustrlen(next_section);
(void)fclose(config_file);
}
+/* Init the storage for the pre-parsed config lines */
+void
+readconf_save_config(const uschar *s)
+{
+save_config_line(string_sprintf("# Exim Configuration (%s)",
+ running_in_test_harness ? US"X" : s));
+}
+
+static void
+save_config_position(const uschar *file, int line)
+{
+save_config_line(string_sprintf("# %d \"%s\"", line, file));
+}
+
+/* Append a pre-parsed logical line to the config lines store,
+this operates on a global (static) list that holds all the pre-parsed
+config lines, we do no further processing here, output formatting and
+honouring of <hide> or macros will be done during output */
+
+static void
+save_config_line(const uschar* line)
+{
+static config_line_item *current;
+config_line_item *next;
+
+next = (config_line_item*) store_get(sizeof(config_line_item));
+next->line = string_copy(line);
+next->next = NULL;
+
+if (!config_lines) config_lines = next;
+else current->next = next;
+
+current = next;
+}
+
+/* List the parsed config lines, care about nice formatting and
+hide the <hide> values unless we're the admin user */
+void
+print_config(BOOL admin, BOOL terse)
+{
+config_line_item *i;
+const int TS = terse ? 0 : 2;
+int indent = 0;
+
+for (i = config_lines; i; i = i->next)
+ {
+ uschar *current;
+ uschar *p;
+
+ /* skip over to the first non-space */
+ for (current = i->line; *current && isspace(*current); ++current)
+ ;
+
+ if (*current == '\0')
+ continue;
+
+ /* Collapse runs of spaces. We stop this if we encounter one of the
+ * following characters: "'$, as this may indicate careful formatting */
+ for (p = current; *p; ++p)
+ {
+ uschar *next;
+ if (!isspace(*p)) continue;
+ if (*p != ' ') *p = ' ';
+
+ for (next = p; isspace(*next); ++next)
+ ;
+
+ if (next - p > 1)
+ memmove(p+1, next, Ustrlen(next)+1);
+
+ if (*next == '"' || *next == '\'' || *next == '$')
+ break;
+ }
+
+ /* # lines */
+ if (current[0] == '#')
+ puts(CCS current);
+
+ /* begin lines are left aligned */
+ else if (Ustrncmp(current, "begin", 5) == 0 && isspace(current[5]))
+ {
+ if (!terse) puts("");
+ puts(CCS current);
+ indent = TS;
+ }
+
+ /* router/acl/transport block names */
+ else if (current[Ustrlen(current)-1] == ':' && !Ustrchr(current, '='))
+ {
+ if (!terse) puts("");
+ printf("%*s%s\n", TS, "", current);
+ indent = 2 * TS;
+ }
+
+ /* hidden lines (all MACROS or lines prefixed with "hide") */
+ else if ( !admin
+ && ( isupper(*current)
+ || Ustrncmp(current, "hide", 4) == 0 && isspace(current[4])
+ )
+ )
+ {
+ if ((p = Ustrchr(current, '=')))
+ {
+ *p = '\0';
+ printf("%*s%s= %s\n", indent, "", current, hidden);
+ }
+ /* e.g.: hide split_spool_directory */
+ else
+ printf("%*s\n", indent, hidden);
+ }
+
+ else
+ /* rest is public */
+ printf("%*s%s\n", indent, "", current);
+ }
+}
+
+#endif /*!MACRO_PREDEF*/
/* vi: aw ai sw=2
*/
/* End of readconf.c */
git://git.exim.org / users / jgh / exim.git / blobdiff