* Exim - an Internet mail transport agent *
*************************************************/
-/* Copyright (c) University of Cambridge 1995 - 2014 */
+/* Copyright (c) University of Cambridge 1995 - 2016 */
/* See the file NOTICE for conditions of use and distribution. */
/* Recursively called function */
-static uschar *expand_string_internal(uschar *, BOOL, uschar **, BOOL, BOOL, BOOL *);
-static int_eximarith_t expanded_string_integer(uschar *, BOOL);
+static uschar *expand_string_internal(const uschar *, BOOL, const uschar **, BOOL, BOOL, BOOL *);
+static int_eximarith_t expanded_string_integer(const uschar *, BOOL);
#ifdef STAND_ALONE
#ifndef SUPPORT_CRYPTEQ
-#ifndef nelements
-# define nelements(arr) (sizeof(arr) / sizeof(*arr))
-#endif
-
/*************************************************
* Local statics and tables *
*************************************************/
US"acl",
US"certextract",
US"dlfunc",
+ US"env",
US"extract",
US"filter",
US"hash",
US"hmac",
US"if",
+#ifdef SUPPORT_I18N
+ US"imapfolder",
+#endif
US"length",
US"listextract",
US"lookup",
US"reduce",
US"run",
US"sg",
+ US"sort",
US"substr",
US"tr" };
EITEM_ACL,
EITEM_CERTEXTRACT,
EITEM_DLFUNC,
+ EITEM_ENV,
EITEM_EXTRACT,
EITEM_FILTER,
EITEM_HASH,
EITEM_HMAC,
EITEM_IF,
+#ifdef SUPPORT_I18N
+ EITEM_IMAPFOLDER,
+#endif
EITEM_LENGTH,
EITEM_LISTEXTRACT,
EITEM_LOOKUP,
EITEM_REDUCE,
EITEM_RUN,
EITEM_SG,
+ EITEM_SORT,
EITEM_SUBSTR,
EITEM_TR };
US"quote_local_part",
US"reverse_ip",
US"time_eval",
- US"time_interval"};
+ US"time_interval"
+#ifdef SUPPORT_I18N
+ ,US"utf8_domain_from_alabel",
+ US"utf8_domain_to_alabel",
+ US"utf8_localpart_from_alabel",
+ US"utf8_localpart_to_alabel"
+#endif
+ };
enum {
EOP_FROM_UTF8,
EOP_QUOTE_LOCAL_PART,
EOP_REVERSE_IP,
EOP_TIME_EVAL,
- EOP_TIME_INTERVAL };
+ EOP_TIME_INTERVAL
+#ifdef SUPPORT_I18N
+ ,EOP_UTF8_DOMAIN_FROM_ALABEL,
+ EOP_UTF8_DOMAIN_TO_ALABEL,
+ EOP_UTF8_LOCALPART_FROM_ALABEL,
+ EOP_UTF8_LOCALPART_TO_ALABEL
+#endif
+ };
static uschar *op_table_main[] = {
US"address",
US"addresses",
US"base62",
US"base62d",
+ US"base64",
+ US"base64d",
US"domain",
US"escape",
US"eval",
US"hash",
US"hex2b64",
US"hexquote",
+ US"ipv6denorm",
+ US"ipv6norm",
US"l",
US"lc",
US"length",
US"utf8clean" };
enum {
- EOP_ADDRESS = sizeof(op_table_underscore)/sizeof(uschar *),
+ EOP_ADDRESS = nelem(op_table_underscore),
EOP_ADDRESSES,
EOP_BASE62,
EOP_BASE62D,
+ EOP_BASE64,
+ EOP_BASE64D,
EOP_DOMAIN,
EOP_ESCAPE,
EOP_EVAL,
EOP_HASH,
EOP_HEX2B64,
EOP_HEXQUOTE,
+ EOP_IPV6DENORM,
+ EOP_IPV6NORM,
EOP_L,
EOP_LC,
EOP_LENGTH,
{ "bounce_return_size_limit", vtype_int, &bounce_return_size_limit },
{ "caller_gid", vtype_gid, &real_gid },
{ "caller_uid", vtype_uid, &real_uid },
+ { "callout_address", vtype_stringptr, &callout_address },
{ "compile_date", vtype_stringptr, &version_date },
{ "compile_number", vtype_stringptr, &version_cnumber },
+ { "config_dir", vtype_stringptr, &config_main_directory },
+ { "config_file", vtype_stringptr, &config_main_filename },
{ "csa_status", vtype_stringptr, &csa_status },
#ifdef EXPERIMENTAL_DCC
{ "dcc_header", vtype_stringptr, &dcc_header },
{ "dcc_result", vtype_stringptr, &dcc_result },
#endif
-#ifdef WITH_OLD_DEMIME
- { "demime_errorlevel", vtype_int, &demime_errorlevel },
- { "demime_reason", vtype_stringptr, &demime_reason },
-#endif
#ifndef DISABLE_DKIM
{ "dkim_algo", vtype_dkim, (void *)DKIM_ALGO },
{ "dkim_bodylength", vtype_dkim, (void *)DKIM_BODYLENGTH },
{ "dkim_headernames", vtype_dkim, (void *)DKIM_HEADERNAMES },
{ "dkim_identity", vtype_dkim, (void *)DKIM_IDENTITY },
{ "dkim_key_granularity",vtype_dkim, (void *)DKIM_KEY_GRANULARITY },
+ { "dkim_key_length", vtype_int, &dkim_key_length },
{ "dkim_key_nosubdomains",vtype_dkim, (void *)DKIM_NOSUBDOMAINS },
{ "dkim_key_notes", vtype_dkim, (void *)DKIM_KEY_NOTES },
{ "dkim_key_srvtype", vtype_dkim, (void *)DKIM_KEY_SRVTYPE },
{ "dnslist_value", vtype_stringptr, &dnslist_value },
{ "domain", vtype_stringptr, &deliver_domain },
{ "domain_data", vtype_stringptr, &deliver_domain_data },
+#ifndef DISABLE_EVENT
+ { "event_data", vtype_stringptr, &event_data },
+
+ /*XXX want to use generic vars for as many of these as possible*/
+ { "event_defer_errno", vtype_int, &event_defer_errno },
+
+ { "event_name", vtype_stringptr, &event_name },
+#endif
{ "exim_gid", vtype_gid, &exim_gid },
{ "exim_path", vtype_stringptr, &exim_path },
{ "exim_uid", vtype_uid, &exim_uid },
-#ifdef WITH_OLD_DEMIME
- { "found_extension", vtype_stringptr, &found_extension },
-#endif
+ { "exim_version", vtype_stringptr, &version_string },
{ "headers_added", vtype_string_func, &fn_hdrs_added },
{ "home", vtype_stringptr, &deliver_home },
{ "host", vtype_stringptr, &deliver_host },
{ "host_data", vtype_stringptr, &host_data },
{ "host_lookup_deferred",vtype_int, &host_lookup_deferred },
{ "host_lookup_failed", vtype_int, &host_lookup_failed },
+ { "host_port", vtype_int, &deliver_host_port },
+ { "initial_cwd", vtype_stringptr, &initial_cwd },
{ "inode", vtype_ino, &deliver_inode },
{ "interface_address", vtype_stringptr, &interface_address },
{ "interface_port", vtype_int, &interface_port },
{ "message_id", vtype_stringptr, &message_id },
{ "message_linecount", vtype_int, &message_linecount },
{ "message_size", vtype_int, &message_size },
+#ifdef SUPPORT_I18N
+ { "message_smtputf8", vtype_bool, &message_smtputf8 },
+#endif
#ifdef WITH_CONTENT_SCAN
{ "mime_anomaly_level", vtype_int, &mime_anomaly_level },
{ "mime_anomaly_text", vtype_stringptr, &mime_anomaly_text },
{ "parent_domain", vtype_stringptr, &deliver_domain_parent },
{ "parent_local_part", vtype_stringptr, &deliver_localpart_parent },
{ "pid", vtype_pid, NULL },
+#ifndef DISABLE_PRDR
+ { "prdr_requested", vtype_bool, &prdr_requested },
+#endif
{ "primary_hostname", vtype_stringptr, &primary_hostname },
-#ifdef EXPERIMENTAL_PROXY
- { "proxy_host_address", vtype_stringptr, &proxy_host_address },
- { "proxy_host_port", vtype_int, &proxy_host_port },
+#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
+ { "proxy_external_address",vtype_stringptr, &proxy_external_address },
+ { "proxy_external_port", vtype_int, &proxy_external_port },
+ { "proxy_local_address", vtype_stringptr, &proxy_local_address },
+ { "proxy_local_port", vtype_int, &proxy_local_port },
{ "proxy_session", vtype_bool, &proxy_session },
- { "proxy_target_address",vtype_stringptr, &proxy_target_address },
- { "proxy_target_port", vtype_int, &proxy_target_port },
#endif
{ "prvscheck_address", vtype_stringptr, &prvscheck_address },
{ "prvscheck_keynum", vtype_stringptr, &prvscheck_keynum },
{ "sender_address_local_part", vtype_localpart, &sender_address },
{ "sender_data", vtype_stringptr, &sender_data },
{ "sender_fullhost", vtype_stringptr, &sender_fullhost },
+ { "sender_helo_dnssec", vtype_bool, &sender_helo_dnssec },
{ "sender_helo_name", vtype_stringptr, &sender_helo_name },
{ "sender_host_address", vtype_stringptr, &sender_host_address },
{ "sender_host_authenticated",vtype_stringptr, &sender_host_authenticated },
{ "sn8", vtype_filter_int, &filter_sn[8] },
{ "sn9", vtype_filter_int, &filter_sn[9] },
#ifdef WITH_CONTENT_SCAN
+ { "spam_action", vtype_stringptr, &spam_action },
{ "spam_bar", vtype_stringptr, &spam_bar },
{ "spam_report", vtype_stringptr, &spam_report },
{ "spam_score", vtype_stringptr, &spam_score },
{ "tls_out_bits", vtype_int, &tls_out.bits },
{ "tls_out_certificate_verified", vtype_int,&tls_out.certificate_verified },
{ "tls_out_cipher", vtype_stringptr, &tls_out.cipher },
+#ifdef EXPERIMENTAL_DANE
+ { "tls_out_dane", vtype_bool, &tls_out.dane_verified },
+#endif
{ "tls_out_ocsp", vtype_int, &tls_out.ocsp },
{ "tls_out_ourcert", vtype_cert, &tls_out.ourcert },
{ "tls_out_peercert", vtype_cert, &tls_out.peercert },
#if defined(SUPPORT_TLS)
{ "tls_out_sni", vtype_stringptr, &tls_out.sni },
#endif
+#ifdef EXPERIMENTAL_DANE
+ { "tls_out_tlsa_usage", vtype_int, &tls_out.tlsa_usage },
+#endif
{ "tls_peerdn", vtype_stringptr, &tls_in.peerdn }, /* mind the alphabetical order! */
#if defined(SUPPORT_TLS)
{ "tod_logfile", vtype_todlf, NULL },
{ "tod_zone", vtype_todzone, NULL },
{ "tod_zulu", vtype_todzulu, NULL },
-#ifdef EXPERIMENTAL_TPDA
- { "tpda_defer_errno", vtype_int, &tpda_defer_errno },
- { "tpda_defer_errstr", vtype_stringptr, &tpda_defer_errstr },
- { "tpda_delivery_confirmation", vtype_stringptr, &tpda_delivery_confirmation },
- { "tpda_delivery_domain", vtype_stringptr, &tpda_delivery_domain },
- { "tpda_delivery_fqdn", vtype_stringptr, &tpda_delivery_fqdn },
- { "tpda_delivery_ip", vtype_stringptr, &tpda_delivery_ip },
- { "tpda_delivery_local_part",vtype_stringptr,&tpda_delivery_local_part },
- { "tpda_delivery_port", vtype_int, &tpda_delivery_port },
-#endif
{ "transport_name", vtype_stringptr, &transport_name },
{ "value", vtype_stringptr, &lookup_value },
+ { "verify_mode", vtype_stringptr, &verify_mode },
{ "version_number", vtype_stringptr, &version_string },
{ "warn_message_delay", vtype_stringptr, &warnmsg_delay },
{ "warn_message_recipient",vtype_stringptr, &warnmsg_recipients },
{ "warnmsg_recipients", vtype_stringptr, &warnmsg_recipients }
};
-static int var_table_size = sizeof(var_table)/sizeof(var_entry);
+static int var_table_size = nelem(var_table);
static uschar var_buffer[256];
static BOOL malformed_header;
Ustrchr() yields non-NULL if the character is zero (which is not something
I expected). */
-static uschar *
-read_name(uschar *name, int max, uschar *s, uschar *extras)
+static const uschar *
+read_name(uschar *name, int max, const uschar *s, uschar *extras)
{
int ptr = 0;
while (*s != 0 && (isalnum(*s) || Ustrchr(extras, *s) != NULL))
Returns: a pointer to the first character after the header name
*/
-static uschar *
-read_header_name(uschar *name, int max, uschar *s)
+static const uschar *
+read_header_name(uschar *name, int max, const uschar *s)
{
int prelen = Ustrchr(name, '_') - name + 1;
int ptr = Ustrlen(name) - prelen;
Returns: a pointer to the character after the last digit
*/
+/*XXX consider expanding to int_eximarith_t. But the test for
+"overbig numbers" in 0002 still needs to overflow it. */
static uschar *
read_number(int *n, uschar *s)
return s;
}
+static const uschar *
+read_cnumber(int *n, const uschar *s)
+{
+*n = 0;
+while (isdigit(*s)) *n = *n * 10 + (*s++ - '0');
+return s;
+}
+
/*************************************************
*/
static uschar *
-expand_getkeyed(uschar *key, uschar *s)
+expand_getkeyed(uschar *key, const uschar *s)
{
int length = Ustrlen(key);
while (isspace(*s)) s++;
{
int dkeylength;
uschar *data;
- uschar *dkey = s;
+ const uschar *dkey = s;
while (*s != 0 && *s != '=' && !isspace(*s)) s++;
dkeylength = s - dkey;
static uschar *
-expand_getlistele(int field, uschar * list)
+expand_getlistele(int field, const uschar * list)
{
-uschar * tlist= list;
+const uschar * tlist= list;
int sep= 0;
uschar dummy;
if(field<0)
-{
+ {
for(field++; string_nextinlist(&tlist, &sep, &dummy, 1); ) field++;
sep= 0;
-}
+ }
if(field==0) return NULL;
while(--field>0 && (string_nextinlist(&list, &sep, &dummy, 1))) ;
return string_nextinlist(&list, &sep, NULL, 0);
if (!(vp = find_var_ent(certvar)))
{
- expand_string_message =
+ expand_string_message =
string_sprintf("no variable named \"%s\"", certvar);
return NULL; /* Unknown variable name */
}
want to do that in future */
if (vp->type != vtype_cert)
{
- expand_string_message =
+ expand_string_message =
string_sprintf("\"%s\" is not a certificate", certvar);
return NULL; /* Unknown variable name */
}
return tls_cert_ext_by_oid(*(void **)vp->value, field, 0);
for(cp = certfields;
- cp < certfields + nelements(certfields);
+ cp < certfields + nelem(certfields);
cp++)
if (Ustrncmp(cp->name, field, cp->namelen) == 0)
{
return (*cp->getfn)( *(void **)vp->value, modifier );
}
-expand_string_message =
+expand_string_message =
string_sprintf("bad field selector \"%s\" for certextract", field);
return NULL;
}
while (*s != 0)
{
- if (i == 0) i = sizeof(prime)/sizeof(int) - 1;
+ if (i == 0) i = nelem(prime) - 1;
total += prime[i--] * (unsigned int)(*s++);
}
{
tree_node *node =
tree_search((name[4] == 'c')? acl_var_c : acl_var_m, name + 4);
- return (node == NULL)? (strict_acl_vars? NULL : US"") : node->data.ptr;
+ return node ? node->data.ptr : strict_acl_vars ? NULL : US"";
}
/* Handle $auth<n> variables. */
uschar *endptr;
int n = Ustrtoul(name + 4, &endptr, 10);
if (*endptr == 0 && n != 0 && n <= AUTH_VARS)
- return (auth_vars[n-1] == NULL)? US"" : auth_vars[n-1];
+ return !auth_vars[n-1] ? US"" : auth_vars[n-1];
+ }
+else if (Ustrncmp(name, "regex", 5) == 0)
+ {
+ uschar *endptr;
+ int n = Ustrtoul(name + 5, &endptr, 10);
+ if (*endptr == 0 && n != 0 && n <= REGEX_VARS)
+ return !regex_vars[n-1] ? US"" : regex_vars[n-1];
}
/* For all other variables, search the table */
switch (vp->type)
{
case vtype_filter_int:
- if (!filter_running) return NULL;
- /* Fall through */
- /* VVVVVVVVVVVV */
+ if (!filter_running) return NULL;
+ /* Fall through */
+ /* VVVVVVVVVVVV */
case vtype_int:
- sprintf(CS var_buffer, "%d", *(int *)(val)); /* Integer */
- return var_buffer;
+ sprintf(CS var_buffer, "%d", *(int *)(val)); /* Integer */
+ return var_buffer;
case vtype_ino:
- sprintf(CS var_buffer, "%ld", (long int)(*(ino_t *)(val))); /* Inode */
- return var_buffer;
+ sprintf(CS var_buffer, "%ld", (long int)(*(ino_t *)(val))); /* Inode */
+ return var_buffer;
case vtype_gid:
- sprintf(CS var_buffer, "%ld", (long int)(*(gid_t *)(val))); /* gid */
- return var_buffer;
+ sprintf(CS var_buffer, "%ld", (long int)(*(gid_t *)(val))); /* gid */
+ return var_buffer;
case vtype_uid:
- sprintf(CS var_buffer, "%ld", (long int)(*(uid_t *)(val))); /* uid */
- return var_buffer;
+ sprintf(CS var_buffer, "%ld", (long int)(*(uid_t *)(val))); /* uid */
+ return var_buffer;
case vtype_bool:
- sprintf(CS var_buffer, "%s", *(BOOL *)(val) ? "yes" : "no"); /* bool */
- return var_buffer;
+ sprintf(CS var_buffer, "%s", *(BOOL *)(val) ? "yes" : "no"); /* bool */
+ return var_buffer;
case vtype_stringptr: /* Pointer to string */
- s = *((uschar **)(val));
- return (s == NULL)? US"" : s;
+ return (s = *((uschar **)(val))) ? s : US"";
case vtype_pid:
- sprintf(CS var_buffer, "%d", (int)getpid()); /* pid */
- return var_buffer;
+ sprintf(CS var_buffer, "%d", (int)getpid()); /* pid */
+ return var_buffer;
case vtype_load_avg:
- sprintf(CS var_buffer, "%d", OS_GETLOADAVG()); /* load_average */
- return var_buffer;
+ sprintf(CS var_buffer, "%d", OS_GETLOADAVG()); /* load_average */
+ return var_buffer;
case vtype_host_lookup: /* Lookup if not done so */
- if (sender_host_name == NULL && sender_host_address != NULL &&
- !host_lookup_failed && host_name_lookup() == OK)
- host_build_sender_fullhost();
- return (sender_host_name == NULL)? US"" : sender_host_name;
+ if (sender_host_name == NULL && sender_host_address != NULL &&
+ !host_lookup_failed && host_name_lookup() == OK)
+ host_build_sender_fullhost();
+ return (sender_host_name == NULL)? US"" : sender_host_name;
case vtype_localpart: /* Get local part from address */
- s = *((uschar **)(val));
- if (s == NULL) return US"";
- domain = Ustrrchr(s, '@');
- if (domain == NULL) return s;
- if (domain - s > sizeof(var_buffer) - 1)
- log_write(0, LOG_MAIN|LOG_PANIC_DIE, "local part longer than " SIZE_T_FMT
- " in string expansion", sizeof(var_buffer));
- Ustrncpy(var_buffer, s, domain - s);
- var_buffer[domain - s] = 0;
- return var_buffer;
+ s = *((uschar **)(val));
+ if (s == NULL) return US"";
+ domain = Ustrrchr(s, '@');
+ if (domain == NULL) return s;
+ if (domain - s > sizeof(var_buffer) - 1)
+ log_write(0, LOG_MAIN|LOG_PANIC_DIE, "local part longer than " SIZE_T_FMT
+ " in string expansion", sizeof(var_buffer));
+ Ustrncpy(var_buffer, s, domain - s);
+ var_buffer[domain - s] = 0;
+ return var_buffer;
case vtype_domain: /* Get domain from address */
- s = *((uschar **)(val));
- if (s == NULL) return US"";
- domain = Ustrrchr(s, '@');
- return (domain == NULL)? US"" : domain + 1;
+ s = *((uschar **)(val));
+ if (s == NULL) return US"";
+ domain = Ustrrchr(s, '@');
+ return (domain == NULL)? US"" : domain + 1;
case vtype_msgheaders:
- return find_header(NULL, exists_only, newsize, FALSE, NULL);
+ return find_header(NULL, exists_only, newsize, FALSE, NULL);
case vtype_msgheaders_raw:
- return find_header(NULL, exists_only, newsize, TRUE, NULL);
+ return find_header(NULL, exists_only, newsize, TRUE, NULL);
case vtype_msgbody: /* Pointer to msgbody string */
case vtype_msgbody_end: /* Ditto, the end of the msg */
- ss = (uschar **)(val);
- if (*ss == NULL && deliver_datafile >= 0) /* Read body when needed */
- {
- uschar *body;
- off_t start_offset = SPOOL_DATA_START_OFFSET;
- int len = message_body_visible;
- if (len > message_size) len = message_size;
- *ss = body = store_malloc(len+1);
- body[0] = 0;
- if (vp->type == vtype_msgbody_end)
+ ss = (uschar **)(val);
+ if (*ss == NULL && deliver_datafile >= 0) /* Read body when needed */
{
- struct stat statbuf;
- if (fstat(deliver_datafile, &statbuf) == 0)
+ uschar *body;
+ off_t start_offset = SPOOL_DATA_START_OFFSET;
+ int len = message_body_visible;
+ if (len > message_size) len = message_size;
+ *ss = body = store_malloc(len+1);
+ body[0] = 0;
+ if (vp->type == vtype_msgbody_end)
{
- start_offset = statbuf.st_size - len;
- if (start_offset < SPOOL_DATA_START_OFFSET)
- start_offset = SPOOL_DATA_START_OFFSET;
- }
- }
- lseek(deliver_datafile, start_offset, SEEK_SET);
- len = read(deliver_datafile, body, len);
- if (len > 0)
- {
- body[len] = 0;
- if (message_body_newlines) /* Separate loops for efficiency */
- {
- while (len > 0)
- { if (body[--len] == 0) body[len] = ' '; }
+ struct stat statbuf;
+ if (fstat(deliver_datafile, &statbuf) == 0)
+ {
+ start_offset = statbuf.st_size - len;
+ if (start_offset < SPOOL_DATA_START_OFFSET)
+ start_offset = SPOOL_DATA_START_OFFSET;
+ }
}
- else
+ if (lseek(deliver_datafile, start_offset, SEEK_SET) < 0)
+ log_write(0, LOG_MAIN|LOG_PANIC_DIE, "deliver_datafile lseek: %s",
+ strerror(errno));
+ len = read(deliver_datafile, body, len);
+ if (len > 0)
{
- while (len > 0)
- { if (body[--len] == '\n' || body[len] == 0) body[len] = ' '; }
+ body[len] = 0;
+ if (message_body_newlines) /* Separate loops for efficiency */
+ while (len > 0)
+ { if (body[--len] == 0) body[len] = ' '; }
+ else
+ while (len > 0)
+ { if (body[--len] == '\n' || body[len] == 0) body[len] = ' '; }
}
}
- }
- return (*ss == NULL)? US"" : *ss;
+ return (*ss == NULL)? US"" : *ss;
case vtype_todbsdin: /* BSD inbox time of day */
- return tod_stamp(tod_bsdin);
+ return tod_stamp(tod_bsdin);
case vtype_tode: /* Unix epoch time of day */
- return tod_stamp(tod_epoch);
+ return tod_stamp(tod_epoch);
case vtype_todel: /* Unix epoch/usec time of day */
- return tod_stamp(tod_epoch_l);
+ return tod_stamp(tod_epoch_l);
case vtype_todf: /* Full time of day */
- return tod_stamp(tod_full);
+ return tod_stamp(tod_full);
case vtype_todl: /* Log format time of day */
- return tod_stamp(tod_log_bare); /* (without timezone) */
+ return tod_stamp(tod_log_bare); /* (without timezone) */
case vtype_todzone: /* Time zone offset only */
- return tod_stamp(tod_zone);
+ return tod_stamp(tod_zone);
case vtype_todzulu: /* Zulu time */
- return tod_stamp(tod_zulu);
+ return tod_stamp(tod_zulu);
case vtype_todlf: /* Log file datestamp tod */
- return tod_stamp(tod_log_datestamp_daily);
+ return tod_stamp(tod_log_datestamp_daily);
case vtype_reply: /* Get reply address */
- s = find_header(US"reply-to:", exists_only, newsize, TRUE,
- headers_charset);
- if (s != NULL) while (isspace(*s)) s++;
- if (s == NULL || *s == 0)
- {
- *newsize = 0; /* For the *s==0 case */
- s = find_header(US"from:", exists_only, newsize, TRUE, headers_charset);
- }
- if (s != NULL)
- {
- uschar *t;
- while (isspace(*s)) s++;
- for (t = s; *t != 0; t++) if (*t == '\n') *t = ' ';
- while (t > s && isspace(t[-1])) t--;
- *t = 0;
- }
- return (s == NULL)? US"" : s;
+ s = find_header(US"reply-to:", exists_only, newsize, TRUE,
+ headers_charset);
+ if (s != NULL) while (isspace(*s)) s++;
+ if (s == NULL || *s == 0)
+ {
+ *newsize = 0; /* For the *s==0 case */
+ s = find_header(US"from:", exists_only, newsize, TRUE, headers_charset);
+ }
+ if (s != NULL)
+ {
+ uschar *t;
+ while (isspace(*s)) s++;
+ for (t = s; *t != 0; t++) if (*t == '\n') *t = ' ';
+ while (t > s && isspace(t[-1])) t--;
+ *t = 0;
+ }
+ return (s == NULL)? US"" : s;
case vtype_string_func:
{
return var_buffer;
case vtype_cert:
- return *(void **)val ? US"<cert>" : US"";
+ return *(void **)val ? US"<cert>" : US"";
- #ifndef DISABLE_DKIM
+#ifndef DISABLE_DKIM
case vtype_dkim:
- return dkim_exim_expand_query((int)(long)val);
- #endif
+ return dkim_exim_expand_query((int)(long)val);
+#endif
}
*/
static int
-read_subs(uschar **sub, int n, int m, uschar **sptr, BOOL skipping,
+read_subs(uschar **sub, int n, int m, const uschar **sptr, BOOL skipping,
BOOL check_end, uschar *name, BOOL *resetok)
{
int i;
-uschar *s = *sptr;
+const uschar *s = *sptr;
while (isspace(*s)) s++;
for (i = 0; i < n; i++)
Sub array will be corrupted on return.
Returns: OK access is granted by an ACCEPT verb
- DISCARD access is granted by a DISCARD verb
+ DISCARD access is (apparently) granted by a DISCARD verb
FAIL access is denied
FAIL_DROP access is denied; drop the connection
DEFER can't tell at the moment
eval_acl(uschar ** sub, int nsub, uschar ** user_msgp)
{
int i;
-uschar *tmp;
int sav_narg = acl_narg;
int ret;
+uschar * dummy_logmsg;
extern int acl_where;
-if(--nsub > sizeof(acl_arg)/sizeof(*acl_arg)) nsub = sizeof(acl_arg)/sizeof(*acl_arg);
+if(--nsub > nelem(acl_arg)) nsub = nelem(acl_arg);
for (i = 0; i < nsub && sub[i+1]; i++)
{
- tmp = acl_arg[i];
+ uschar * tmp = acl_arg[i];
acl_arg[i] = sub[i+1]; /* place callers args in the globals */
sub[i+1] = tmp; /* stash the old args using our caller's storage */
}
acl_narg>0 ? acl_arg[0] : US"<none>",
acl_narg>1 ? " +more" : "");
-ret = acl_eval(acl_where, sub[0], user_msgp, &tmp);
+ret = acl_eval(acl_where, sub[0], user_msgp, &dummy_logmsg);
for (i = 0; i < nsub; i++)
acl_arg[i] = sub[i+1]; /* restore old args */
NULL after an error
*/
-static uschar *
-eval_condition(uschar *s, BOOL *resetok, BOOL *yield)
+static const uschar *
+eval_condition(const uschar *s, BOOL *resetok, BOOL *yield)
{
BOOL testfor = TRUE;
BOOL tempcond, combined_cond;
int_eximarith_t num[2];
struct stat statbuf;
uschar name[256];
-uschar *sub[10];
+const uschar *sub[10];
const pcre *re;
const uschar *rerror;
/* Find which condition we are dealing with, and switch on it */
-cond_type = chop_match(name, cond_table, sizeof(cond_table)/sizeof(uschar *));
+cond_type = chop_match(name, cond_table, nelem(cond_table));
switch(cond_type)
{
/* def: tests for a non-empty variable, or for the existence of a header. If
case ECOND_ACL:
/* ${if acl {{name}{arg1}{arg2}...} {yes}{no}} */
{
+ uschar *sub[10];
uschar *user_msg;
BOOL cond = FALSE;
int size = 0;
while (isspace(*s)) s++;
if (*s++ != '{') goto COND_FAILED_CURLY_START; /*}*/
- switch(read_subs(sub, sizeof(sub)/sizeof(*sub), 1,
+ switch(read_subs(sub, nelem(sub), 1,
&s, yield == NULL, TRUE, US"acl", resetok))
{
case 1: expand_string_message = US"too few arguments or bracketing "
case 3: return NULL;
}
- *resetok = FALSE;
- if (yield != NULL) switch(eval_acl(sub, sizeof(sub)/sizeof(*sub), &user_msg))
+ *resetok = FALSE; /* eval_acl() might allocate; do not reclaim */
+ if (yield != NULL) switch(eval_acl(sub, nelem(sub), &user_msg))
{
case OK:
cond = TRUE;
case DEFER:
expand_string_forcedfail = TRUE;
+ /*FALLTHROUGH*/
default:
expand_string_message = string_sprintf("error from acl \"%s\"", sub[0]);
return NULL;
in their own set of braces. */
case ECOND_SASLAUTHD:
- #ifndef CYRUS_SASLAUTHD_SOCKET
- goto COND_FAILED_NOT_COMPILED;
- #else
- while (isspace(*s)) s++;
- if (*s++ != '{') goto COND_FAILED_CURLY_START; /* }-for-text-editors */
- switch(read_subs(sub, 4, 2, &s, yield == NULL, TRUE, US"saslauthd", resetok))
- {
- case 1: expand_string_message = US"too few arguments or bracketing "
- "error for saslauthd";
- case 2:
- case 3: return NULL;
- }
- if (sub[2] == NULL) sub[3] = NULL; /* realm if no service */
- if (yield != NULL)
+#ifndef CYRUS_SASLAUTHD_SOCKET
+ goto COND_FAILED_NOT_COMPILED;
+#else
{
- int rc;
- rc = auth_call_saslauthd(sub[0], sub[1], sub[2], sub[3],
- &expand_string_message);
- if (rc == ERROR || rc == DEFER) return NULL;
- *yield = (rc == OK) == testfor;
+ uschar *sub[4];
+ while (isspace(*s)) s++;
+ if (*s++ != '{') goto COND_FAILED_CURLY_START; /* }-for-text-editors */
+ switch(read_subs(sub, nelem(sub), 2, &s, yield == NULL, TRUE, US"saslauthd",
+ resetok))
+ {
+ case 1: expand_string_message = US"too few arguments or bracketing "
+ "error for saslauthd";
+ case 2:
+ case 3: return NULL;
+ }
+ if (sub[2] == NULL) sub[3] = NULL; /* realm if no service */
+ if (yield != NULL)
+ {
+ int rc = auth_call_saslauthd(sub[0], sub[1], sub[2], sub[3],
+ &expand_string_message);
+ if (rc == ERROR || rc == DEFER) return NULL;
+ *yield = (rc == OK) == testfor;
+ }
+ return s;
}
- return s;
- #endif /* CYRUS_SASLAUTHD_SOCKET */
+#endif /* CYRUS_SASLAUTHD_SOCKET */
/* symbolic operators for numeric and string comparison, and a number of
if (sublen == 24)
{
- uschar *coded = auth_b64encode((uschar *)digest, 16);
+ uschar *coded = b64encode((uschar *)digest, 16);
DEBUG(D_auth) debug_printf("crypteq: using MD5+B64 hashing\n"
" subject=%s\n crypted=%s\n", coded, sub[1]+5);
tempcond = (Ustrcmp(coded, sub[1]+5) == 0);
if (sublen == 28)
{
- uschar *coded = auth_b64encode((uschar *)digest, 20);
+ uschar *coded = b64encode((uschar *)digest, 20);
DEBUG(D_auth) debug_printf("crypteq: using SHA1+B64 hashing\n"
" subject=%s\n crypted=%s\n", coded, sub[1]+6);
tempcond = (Ustrcmp(coded, sub[1]+6) == 0);
#define XSTR(s) STR(s)
DEBUG(D_auth) debug_printf("crypteq: using %s()\n"
" subject=%s\n crypted=%s\n",
- (which == 0)? XSTR(DEFAULT_CRYPT) : (which == 1)? "crypt" : "crypt16",
+ which == 0 ? XSTR(DEFAULT_CRYPT) : which == 1 ? "crypt" : "crypt16",
coded, sub[1]);
#undef STR
#undef XSTR
salt), force failure. Otherwise we get false positives: with an empty
string the yield of crypt() is an empty string! */
- tempcond = (Ustrlen(sub[1]) < 2)? FALSE :
- (Ustrcmp(coded, sub[1]) == 0);
+ if (coded)
+ tempcond = Ustrlen(sub[1]) < 2 ? FALSE : Ustrcmp(coded, sub[1]) == 0;
+ else if (errno == EINVAL)
+ tempcond = FALSE;
+ else
+ {
+ expand_string_message = string_sprintf("crypt error: %s\n",
+ US strerror(errno));
+ return NULL;
+ }
}
break;
#endif /* SUPPORT_CRYPTEQ */
case ECOND_INLIST:
case ECOND_INLISTI:
{
+ const uschar * list = sub[1];
int sep = 0;
uschar *save_iterate_item = iterate_item;
int (*compare)(const uschar *, const uschar *);
+ DEBUG(D_expand) debug_printf("condition: %s\n", name);
+
tempcond = FALSE;
- if (cond_type == ECOND_INLISTI)
- compare = strcmpic;
- else
- compare = (int (*)(const uschar *, const uschar *)) strcmp;
+ compare = cond_type == ECOND_INLISTI
+ ? strcmpic : (int (*)(const uschar *, const uschar *)) strcmp;
- while ((iterate_item = string_nextinlist(&sub[1], &sep, NULL, 0)) != NULL)
+ while ((iterate_item = string_nextinlist(&list, &sep, NULL, 0)))
if (compare(sub[0], iterate_item) == 0)
{
tempcond = TRUE;
case ECOND_FORALL:
case ECOND_FORANY:
{
+ const uschar * list;
int sep = 0;
uschar *save_iterate_item = iterate_item;
+ DEBUG(D_expand) debug_printf("condition: %s\n", name);
+
while (isspace(*s)) s++;
if (*s++ != '{') goto COND_FAILED_CURLY_START; /* }-for-text-editors */
sub[0] = expand_string_internal(s, TRUE, &s, (yield == NULL), TRUE, resetok);
}
if (yield != NULL) *yield = !testfor;
- while ((iterate_item = string_nextinlist(&sub[0], &sep, NULL, 0)) != NULL)
+ list = sub[0];
+ while ((iterate_item = string_nextinlist(&list, &sep, NULL, 0)) != NULL)
{
DEBUG(D_expand) debug_printf("%s: $item = \"%s\"\n", name, iterate_item);
if (!eval_condition(sub[1], resetok, &tempcond))
yieldptr points to the output string pointer
sizeptr points to the output string size
ptrptr points to the output string pointer
- type "lookup" or "if" or "extract" or "run", for error message
+ type "lookup", "if", "extract", "run", "env", "listextract" or
+ "certextract" for error message
resetok if not NULL, pointer to flag - write FALSE if unsafe to reset
the store.
*/
static int
-process_yesno(BOOL skipping, BOOL yes, uschar *save_lookup, uschar **sptr,
+process_yesno(BOOL skipping, BOOL yes, uschar *save_lookup, const uschar **sptr,
uschar **yieldptr, int *sizeptr, int *ptrptr, uschar *type, BOOL *resetok)
{
int rc = 0;
-uschar *s = *sptr; /* Local value */
+const uschar *s = *sptr; /* Local value */
uschar *sub1, *sub2;
/* If there are no following strings, we substitute the contents of $value for
}
else
{
- if (yes && lookup_value != NULL)
+ if (yes && lookup_value)
*yieldptr = string_cat(*yieldptr, sizeptr, ptrptr, lookup_value,
Ustrlen(lookup_value));
lookup_value = save_lookup;
if (yes)
*yieldptr = string_cat(*yieldptr, sizeptr, ptrptr, sub1, Ustrlen(sub1));
-/* If this is called from a lookup or an extract, we want to restore $value to
-what it was at the start of the item, so that it has this value during the
-second string expansion. For the call from "if" or "run" to this function,
-save_lookup is set to lookup_value, so that this statement does nothing. */
+/* If this is called from a lookup/env or a (cert)extract, we want to restore
+$value to what it was at the start of the item, so that it has this value
+during the second string expansion. For the call from "if" or "run" to this
+function, save_lookup is set to lookup_value, so that this statement does
+nothing. */
lookup_value = save_lookup;
else if (*s != '}')
{
uschar name[256];
- s = read_name(name, sizeof(name), s, US"_");
+ /* deconst cast ok here as source is s anyway */
+ s = US read_name(name, sizeof(name), s, US"_");
if (Ustrcmp(name, "fail") == 0)
{
if (!yes && !skipping)
return NULL;
hash_source = string_cat(NULL,&size,&offset,key_num,1);
-string_cat(hash_source,&size,&offset,daystamp,3);
-string_cat(hash_source,&size,&offset,address,Ustrlen(address));
+hash_source = string_cat(hash_source,&size,&offset,daystamp,3);
+hash_source = string_cat(hash_source,&size,&offset,address,Ustrlen(address));
hash_source[offset] = '\0';
DEBUG(D_expand) debug_printf("prvs: hash source is '%s'\n", hash_source);
* Join a file onto the output string *
*************************************************/
-/* This is used for readfile and after a run expansion. It joins the contents
-of a file onto the output string, globally replacing newlines with a given
-string (optionally). The file is closed at the end.
+/* This is used for readfile/readsock and after a run expansion.
+It joins the contents of a file onto the output string, globally replacing
+newlines with a given string (optionally).
Arguments:
f the FILE
static uschar *
cat_file(FILE *f, uschar *yield, int *sizep, int *ptrp, uschar *eol)
{
-int eollen;
+int eollen = eol ? Ustrlen(eol) : 0;
uschar buffer[1024];
-eollen = (eol == NULL)? 0 : Ustrlen(eol);
-
-while (Ufgets(buffer, sizeof(buffer), f) != NULL)
+while (Ufgets(buffer, sizeof(buffer), f))
{
int len = Ustrlen(buffer);
- if (eol != NULL && buffer[len-1] == '\n') len--;
+ if (eol && buffer[len-1] == '\n') len--;
yield = string_cat(yield, sizep, ptrp, buffer, len);
if (buffer[len] != 0)
yield = string_cat(yield, sizep, ptrp, eol, eollen);
}
-if (yield != NULL) yield[*ptrp] = 0;
+if (yield) yield[*ptrp] = 0;
return yield;
}
{
uschar *s = *sptr;
int_eximarith_t x = eval_op_mult(&s, decimal, error);
-if (*error == NULL)
+if (!*error)
{
while (*s == '+' || *s == '-')
{
int op = *s++;
int_eximarith_t y = eval_op_mult(&s, decimal, error);
- if (*error != NULL) break;
+ if (*error) break;
+ if ( (x >= EXIM_ARITH_MAX/2 && x >= EXIM_ARITH_MAX/2)
+ || (x <= -(EXIM_ARITH_MAX/2) && y <= -(EXIM_ARITH_MAX/2)))
+ { /* over-conservative check */
+ *error = op == '+'
+ ? US"overflow in sum" : US"overflow in difference";
+ break;
+ }
if (op == '+') x += y; else x -= y;
}
}
*/
static uschar *
-expand_string_internal(uschar *string, BOOL ket_ends, uschar **left,
+expand_string_internal(const uschar *string, BOOL ket_ends, const uschar **left,
BOOL skipping, BOOL honour_dollar, BOOL *resetok_p)
{
int ptr = 0;
int size = Ustrlen(string)+ 64;
int item_type;
uschar *yield = store_get(size);
-uschar *s = string;
+const uschar *s = string;
uschar *save_expand_nstring[EXPAND_MAXN+1];
int save_expand_nlength[EXPAND_MAXN+1];
BOOL resetok = TRUE;
if (s[1] == 'N')
{
- uschar *t = s + 2;
+ const uschar * t = s + 2;
for (s = t; *s != 0; s++) if (*s == '\\' && s[1] == 'N') break;
yield = string_cat(yield, &size, &ptr, t, s - t);
if (*s != 0) s += 2;
/* Variable */
- else
+ else if (!(value = find_variable(name, FALSE, skipping, &newsize)))
{
- value = find_variable(name, FALSE, skipping, &newsize);
- if (value == NULL)
- {
- expand_string_message =
- string_sprintf("unknown variable name \"%s\"", name);
- check_variable_error_message(name);
- goto EXPAND_FAILED;
- }
+ expand_string_message =
+ string_sprintf("unknown variable name \"%s\"", name);
+ check_variable_error_message(name);
+ goto EXPAND_FAILED;
}
/* If the data is known to be in a new buffer, newsize will be set to the
if (isdigit(*s))
{
int n;
- s = read_number(&n, s);
+ s = read_cnumber(&n, s);
if (n >= 0 && n <= expand_nmax)
yield = string_cat(yield, &size, &ptr, expand_nstring[n],
expand_nlength[n]);
if (isdigit((*(++s))))
{
int n;
- s = read_number(&n, s); /*{*/
+ s = read_cnumber(&n, s); /*{*/
if (*s++ != '}')
{ /*{*/
expand_string_message = US"} expected after number";
OK. */
s = read_name(name, sizeof(name), s, US"_-");
- item_type = chop_match(name, item_table, sizeof(item_table)/sizeof(uschar *));
+ item_type = chop_match(name, item_table, nelem(item_table));
switch(item_type)
{
uschar *sub[10]; /* name + arg1-arg9 (which must match number of acl_arg[]) */
uschar *user_msg;
- switch(read_subs(sub, 10, 1, &s, skipping, TRUE, US"acl", &resetok))
+ switch(read_subs(sub, nelem(sub), 1, &s, skipping, TRUE, US"acl",
+ &resetok))
{
case 1: goto EXPAND_FAILED_CURLY;
case 2:
if (skipping) continue;
resetok = FALSE;
- switch(eval_acl(sub, sizeof(sub)/sizeof(*sub), &user_msg))
+ switch(eval_acl(sub, nelem(sub), &user_msg))
{
case OK:
case FAIL:
case DEFER:
expand_string_forcedfail = TRUE;
+ /*FALLTHROUGH*/
default:
expand_string_message = string_sprintf("error from acl \"%s\"", sub[0]);
goto EXPAND_FAILED;
case EITEM_IF:
{
BOOL cond = FALSE;
- uschar *next_s;
+ const uschar *next_s;
int save_expand_nmax =
save_expand_strings(save_expand_nstring, save_expand_nlength);
continue;
}
+#ifdef SUPPORT_I18N
+ case EITEM_IMAPFOLDER:
+ { /* ${imapfolder {name}{sep]{specials}} */
+ uschar *sub_arg[3];
+ uschar *encoded;
+
+ switch(read_subs(sub_arg, nelem(sub_arg), 1, &s, skipping, TRUE, name,
+ &resetok))
+ {
+ case 1: goto EXPAND_FAILED_CURLY;
+ case 2:
+ case 3: goto EXPAND_FAILED;
+ }
+
+ if (sub_arg[1] == NULL) /* One argument */
+ {
+ sub_arg[1] = US"/"; /* default separator */
+ sub_arg[2] = NULL;
+ }
+ else if (Ustrlen(sub_arg[1]) != 1)
+ {
+ expand_string_message =
+ string_sprintf(
+ "IMAP folder separator must be one character, found \"%s\"",
+ sub_arg[1]);
+ goto EXPAND_FAILED;
+ }
+
+ if (!(encoded = imap_utf7_encode(sub_arg[0], headers_charset,
+ sub_arg[1][0], sub_arg[2], &expand_string_message)))
+ goto EXPAND_FAILED;
+ if (!skipping)
+ yield = string_cat(yield, &size, &ptr, encoded, Ustrlen(encoded));
+ continue;
+ }
+#endif
+
/* Handle database lookups unless locked out. If "skipping" is TRUE, we are
expanding an internal string that isn't actually going to be used. All we
need to do is check the syntax, so don't do a lookup at all. Preserve the
int stype, partial, affixlen, starflags;
int expand_setup = 0;
int nameptr = 0;
- uschar *key, *filename, *affix;
+ uschar *key, *filename;
+ const uschar *affix;
uschar *save_lookup_value = lookup_value;
int save_expand_nmax =
save_expand_strings(save_expand_nstring, save_expand_nlength);
{
FILE *f;
uschar *arg;
- uschar **argv;
+ const uschar **argv;
pid_t pid;
int fd_in, fd_out;
- int lsize = 0;
- int lptr = 0;
+ int lsize = 0, lptr = 0;
if ((expand_forbid & RDO_RUN) != 0)
{
NULL, /* no transporting address */
US"${run} expansion", /* for error messages */
&expand_string_message)) /* where to put error message */
- {
goto EXPAND_FAILED;
- }
/* Create the child process, making it a group leader. */
- pid = child_open(argv, NULL, 0077, &fd_in, &fd_out, TRUE);
-
- if (pid < 0)
+ if ((pid = child_open(USS argv, NULL, 0077, &fd_in, &fd_out, TRUE)) < 0)
{
expand_string_message =
string_sprintf("couldn't create child process: %s", strerror(errno));
/* Read the pipe to get the command's output into $value (which is kept
in lookup_value). Read during execution, so that if the output exceeds
- the OS pipe buffer limit, we don't block forever. */
+ the OS pipe buffer limit, we don't block forever. Remember to not release
+ memory just allocated for $value. */
+ resetok = FALSE;
f = fdopen(fd_out, "rb");
sigalrm_seen = FALSE;
alarm(60);
- lookup_value = cat_file(f, lookup_value, &lsize, &lptr, NULL);
+ lookup_value = cat_file(f, NULL, &lsize, &lptr, NULL);
alarm(0);
(void)fclose(f);
{
int ovector[3*(EXPAND_MAXN+1)];
int n = pcre_exec(re, NULL, CS subject, slen, moffset + moffsetextra,
- PCRE_EOPT | emptyopt, ovector, sizeof(ovector)/sizeof(int));
+ PCRE_EOPT | emptyopt, ovector, nelem(ovector));
int nn;
uschar *insert;
int save_expand_nmax =
save_expand_strings(save_expand_nstring, save_expand_nlength);
- /* Read the arguments */
+ /* While skipping we cannot rely on the data for expansions being
+ available (eg. $item) hence cannot decide on numeric vs. keyed.
+ Just read as many arguments as there are. */
- for (i = 0; i < j; i++)
+ if (skipping)
+ {
+ while (isspace(*s)) s++;
+ while (*s == '{')
+ {
+ if (!expand_string_internal(s+1, TRUE, &s, skipping, TRUE, &resetok))
+ goto EXPAND_FAILED; /*{*/
+ if (*s++ != '}') goto EXPAND_FAILED_CURLY;
+ while (isspace(*s)) s++;
+ }
+ if (*s != '}')
+ goto EXPAND_FAILED_CURLY;
+ }
+
+ else for (i = 0; i < j; i++) /* Read the proper number of arguments */
{
while (isspace(*s)) s++;
if (*s == '{') /*}*/
while (len > 0 && isspace(p[len-1])) len--;
p[len] = 0;
- if (*p == 0 && !skipping)
- {
- expand_string_message = US"first argument of \"extract\" must "
- "not be empty";
- goto EXPAND_FAILED;
- }
+ if (*p == 0)
+ {
+ expand_string_message = US"first argument of \"extract\" must "
+ "not be empty";
+ goto EXPAND_FAILED;
+ }
- if (*p == '-')
- {
- field_number = -1;
- p++;
- }
- while (*p != 0 && isdigit(*p)) x = x * 10 + *p++ - '0';
- if (*p == 0)
- {
- field_number *= x;
- j = 3; /* Need 3 args */
- field_number_set = TRUE;
- }
+ if (*p == '-')
+ {
+ field_number = -1;
+ p++;
+ }
+ while (*p != 0 && isdigit(*p)) x = x * 10 + *p++ - '0';
+ if (*p == 0)
+ {
+ field_number *= x;
+ j = 3; /* Need 3 args */
+ field_number_set = TRUE;
+ }
}
}
else goto EXPAND_FAILED_CURLY;
&yield, /* output pointer */
&size, /* output size */
&ptr, /* output current point */
- US"extract", /* condition type */
+ US"listextract", /* condition type */
&resetok))
{
case 1: goto EXPAND_FAILED; /* when all is well, the */
&yield, /* output pointer */
&size, /* output size */
&ptr, /* output current point */
- US"extract", /* condition type */
+ US"certextract", /* condition type */
&resetok))
{
case 1: goto EXPAND_FAILED; /* when all is well, the */
int sep = 0;
int save_ptr = ptr;
uschar outsep[2] = { '\0', '\0' };
- uschar *list, *expr, *temp;
+ const uschar *list, *expr, *temp;
uschar *save_iterate_item = iterate_item;
uschar *save_lookup_value = lookup_value;
if (item_type == EITEM_REDUCE)
{
+ uschar * t;
while (isspace(*s)) s++;
if (*s++ != '{') goto EXPAND_FAILED_CURLY;
- temp = expand_string_internal(s, TRUE, &s, skipping, TRUE, &resetok);
- if (temp == NULL) goto EXPAND_FAILED;
- lookup_value = temp;
+ t = expand_string_internal(s, TRUE, &s, skipping, TRUE, &resetok);
+ if (!t) goto EXPAND_FAILED;
+ lookup_value = t;
if (*s++ != '}') goto EXPAND_FAILED_CURLY;
}
if (temp != NULL) s = temp;
}
else
- {
temp = expand_string_internal(s, TRUE, &s, TRUE, TRUE, &resetok);
- }
if (temp == NULL)
{
else
{
- temp = expand_string_internal(expr, TRUE, NULL, skipping, TRUE, &resetok);
+ uschar * t = expand_string_internal(expr, TRUE, NULL, skipping, TRUE, &resetok);
+ temp = t;
if (temp == NULL)
{
iterate_item = save_iterate_item;
}
if (item_type == EITEM_REDUCE)
{
- lookup_value = temp; /* Update the value of $value */
+ lookup_value = t; /* Update the value of $value */
continue; /* and continue the iteration */
}
}
continue;
}
+ case EITEM_SORT:
+ {
+ int sep = 0;
+ const uschar *srclist, *cmp, *xtract;
+ uschar *srcitem;
+ const uschar *dstlist = NULL, *dstkeylist = NULL;
+ uschar * tmp;
+ uschar *save_iterate_item = iterate_item;
+
+ while (isspace(*s)) s++;
+ if (*s++ != '{') goto EXPAND_FAILED_CURLY;
+
+ srclist = expand_string_internal(s, TRUE, &s, skipping, TRUE, &resetok);
+ if (!srclist) goto EXPAND_FAILED;
+ if (*s++ != '}') goto EXPAND_FAILED_CURLY;
+
+ while (isspace(*s)) s++;
+ if (*s++ != '{') goto EXPAND_FAILED_CURLY;
+
+ cmp = expand_string_internal(s, TRUE, &s, skipping, FALSE, &resetok);
+ if (!cmp) goto EXPAND_FAILED;
+ if (*s++ != '}') goto EXPAND_FAILED_CURLY;
+
+ while (isspace(*s)) s++;
+ if (*s++ != '{') goto EXPAND_FAILED_CURLY;
+
+ xtract = s;
+ tmp = expand_string_internal(s, TRUE, &s, TRUE, TRUE, &resetok);
+ if (!tmp) goto EXPAND_FAILED;
+ xtract = string_copyn(xtract, s - xtract);
+
+ if (*s++ != '}') goto EXPAND_FAILED_CURLY;
+ /*{*/
+ if (*s++ != '}')
+ { /*{*/
+ expand_string_message = US"missing } at end of \"sort\"";
+ goto EXPAND_FAILED;
+ }
+
+ if (skipping) continue;
+
+ while ((srcitem = string_nextinlist(&srclist, &sep, NULL, 0)))
+ {
+ uschar * dstitem;
+ uschar * newlist = NULL;
+ uschar * newkeylist = NULL;
+ uschar * srcfield;
+
+ DEBUG(D_expand) debug_printf("%s: $item = \"%s\"\n", name, srcitem);
+
+ /* extract field for comparisons */
+ iterate_item = srcitem;
+ if ( !(srcfield = expand_string_internal(xtract, FALSE, NULL, FALSE,
+ TRUE, &resetok))
+ || !*srcfield)
+ {
+ expand_string_message = string_sprintf(
+ "field-extract in sort: \"%s\"", xtract);
+ goto EXPAND_FAILED;
+ }
+
+ /* Insertion sort */
+
+ /* copy output list until new-item < list-item */
+ while ((dstitem = string_nextinlist(&dstlist, &sep, NULL, 0)))
+ {
+ uschar * dstfield;
+ uschar * expr;
+ BOOL before;
+
+ /* field for comparison */
+ if (!(dstfield = string_nextinlist(&dstkeylist, &sep, NULL, 0)))
+ goto sort_mismatch;
+
+ /* build and run condition string */
+ expr = string_sprintf("%s{%s}{%s}", cmp, srcfield, dstfield);
+
+ DEBUG(D_expand) debug_printf("%s: cond = \"%s\"\n", name, expr);
+ if (!eval_condition(expr, &resetok, &before))
+ {
+ expand_string_message = string_sprintf("comparison in sort: %s",
+ expr);
+ goto EXPAND_FAILED;
+ }
+
+ if (before)
+ {
+ /* New-item sorts before this dst-item. Append new-item,
+ then dst-item, then remainder of dst list. */
+
+ newlist = string_append_listele(newlist, sep, srcitem);
+ newkeylist = string_append_listele(newkeylist, sep, srcfield);
+ srcitem = NULL;
+
+ newlist = string_append_listele(newlist, sep, dstitem);
+ newkeylist = string_append_listele(newkeylist, sep, dstfield);
+
+ while ((dstitem = string_nextinlist(&dstlist, &sep, NULL, 0)))
+ {
+ if (!(dstfield = string_nextinlist(&dstkeylist, &sep, NULL, 0)))
+ goto sort_mismatch;
+ newlist = string_append_listele(newlist, sep, dstitem);
+ newkeylist = string_append_listele(newkeylist, sep, dstfield);
+ }
+
+ break;
+ }
+
+ newlist = string_append_listele(newlist, sep, dstitem);
+ newkeylist = string_append_listele(newkeylist, sep, dstfield);
+ }
+
+ /* If we ran out of dstlist without consuming srcitem, append it */
+ if (srcitem)
+ {
+ newlist = string_append_listele(newlist, sep, srcitem);
+ newkeylist = string_append_listele(newkeylist, sep, srcfield);
+ }
+
+ dstlist = newlist;
+ dstkeylist = newkeylist;
+
+ DEBUG(D_expand) debug_printf("%s: dstlist = \"%s\"\n", name, dstlist);
+ DEBUG(D_expand) debug_printf("%s: dstkeylist = \"%s\"\n", name, dstkeylist);
+ }
+
+ if (dstlist)
+ yield = string_cat(yield, &size, &ptr, dstlist, Ustrlen(dstlist));
+
+ /* Restore preserved $item */
+ iterate_item = save_iterate_item;
+ continue;
+
+ sort_mismatch:
+ expand_string_message = US"Internal error in sort (list mismatch)";
+ goto EXPAND_FAILED;
+ }
+
/* If ${dlfunc } support is configured, handle calling dynamically-loaded
functions, unless locked out at this time. Syntax is ${dlfunc{file}{func}}
#define EXPAND_DLFUNC_MAX_ARGS 8
case EITEM_DLFUNC:
- #ifndef EXPAND_DLFUNC
- expand_string_message = US"\"${dlfunc\" encountered, but this facility " /*}*/
- "is not included in this binary";
- goto EXPAND_FAILED;
+#ifndef EXPAND_DLFUNC
+ expand_string_message = US"\"${dlfunc\" encountered, but this facility " /*}*/
+ "is not included in this binary";
+ goto EXPAND_FAILED;
- #else /* EXPAND_DLFUNC */
+#else /* EXPAND_DLFUNC */
{
tree_node *t;
exim_dlfunc_t *func;
goto EXPAND_FAILED;
}
}
- #endif /* EXPAND_DLFUNC */
+#endif /* EXPAND_DLFUNC */
+
+ case EITEM_ENV: /* ${env {name} {val_if_found} {val_if_unfound}} */
+ {
+ uschar * key;
+ uschar *save_lookup_value = lookup_value;
+
+ while (isspace(*s)) s++;
+ if (*s != '{') /*}*/
+ goto EXPAND_FAILED;
+
+ key = expand_string_internal(s+1, TRUE, &s, skipping, TRUE, &resetok);
+ if (!key) goto EXPAND_FAILED; /*{*/
+ if (*s++ != '}') goto EXPAND_FAILED_CURLY;
+
+ lookup_value = US getenv(CS key);
+
+ switch(process_yesno(
+ skipping, /* were previously skipping */
+ lookup_value != NULL, /* success/failure indicator */
+ save_lookup_value, /* value to reset for string2 */
+ &s, /* input pointer */
+ &yield, /* output pointer */
+ &size, /* output size */
+ &ptr, /* output current point */
+ US"env", /* condition type */
+ &resetok))
+ {
+ case 1: goto EXPAND_FAILED; /* when all is well, the */
+ case 2: goto EXPAND_FAILED_CURLY; /* returned value is 0 */
+ }
+ continue;
+ }
} /* EITEM_* switch */
/* Control reaches here if the name is not recognized as one of the more
the arguments and then scan the main table. */
if ((c = chop_match(name, op_table_underscore,
- sizeof(op_table_underscore)/sizeof(uschar *))) < 0)
+ nelem(op_table_underscore))) < 0)
{
arg = Ustrchr(name, '_');
if (arg != NULL) *arg = 0;
- c = chop_match(name, op_table_main,
- sizeof(op_table_main)/sizeof(uschar *));
- if (c >= 0) c += sizeof(op_table_underscore)/sizeof(uschar *);
+ c = chop_match(name, op_table_main, nelem(op_table_main));
+ if (c >= 0) c += nelem(op_table_underscore);
if (arg != NULL) *arg++ = '_'; /* Put back for error messages */
}
case EOP_MD5:
case EOP_SHA1:
case EOP_SHA256:
+ case EOP_BASE64:
if (s[1] == '$')
{
- uschar * s1 = s;
+ const uschar * s1 = s;
sub = expand_string_internal(s+2, TRUE, &s1, skipping,
FALSE, &resetok);
if (!sub) goto EXPAND_FAILED; /*{*/
}
}
- enc = auth_b64encode(sub, out - sub);
+ enc = b64encode(sub, out - sub);
yield = string_cat(yield, &size, &ptr, enc, Ustrlen(enc));
continue;
}
uschar * cp;
uschar buffer[256];
- while (string_nextinlist(&sub, &sep, buffer, sizeof(buffer)) != NULL) cnt++;
+ while (string_nextinlist(CUSS &sub, &sep, buffer, sizeof(buffer)) != NULL) cnt++;
cp = string_sprintf("%d", cnt);
yield = string_cat(yield, &size, &ptr, cp, Ustrlen(cp));
continue;
case EOP_LISTNAMED:
{
tree_node *t = NULL;
- uschar * list;
+ const uschar * list;
int sep = 0;
uschar * item;
uschar * suffix = US"";
continue;
}
+ case EOP_IPV6NORM:
+ case EOP_IPV6DENORM:
+ {
+ int type = string_is_ip_address(sub, NULL);
+ int binary[4];
+ uschar buffer[44];
+
+ switch (type)
+ {
+ case 6:
+ (void) host_aton(sub, binary);
+ break;
+
+ case 4: /* convert to IPv4-mapped IPv6 */
+ binary[0] = binary[1] = 0;
+ binary[2] = 0x0000ffff;
+ (void) host_aton(sub, binary+3);
+ break;
+
+ case 0:
+ expand_string_message =
+ string_sprintf("\"%s\" is not an IP address", sub);
+ goto EXPAND_FAILED;
+ }
+
+ yield = string_cat(yield, &size, &ptr, buffer,
+ c == EOP_IPV6NORM
+ ? ipv6_nmtoa(binary, buffer)
+ : host_nmtoa(4, binary, -1, buffer, ':')
+ );
+ continue;
+ }
+
case EOP_ADDRESS:
case EOP_LOCAL_PART:
case EOP_DOMAIN:
case EOP_RFC2047:
{
uschar buffer[2048];
- uschar *string = parse_quote_2047(sub, Ustrlen(sub), headers_charset,
+ const uschar *string = parse_quote_2047(sub, Ustrlen(sub), headers_charset,
buffer, sizeof(buffer), FALSE);
yield = string_cat(yield, &size, &ptr, string, Ustrlen(string));
continue;
}
/* replace illegal UTF-8 sequences by replacement character */
-
+
#define UTF8_REPLACEMENT_CHAR US"?"
case EOP_UTF8CLEAN:
int bytes_left = 0;
long codepoint = -1;
uschar seq_buff[4]; /* accumulate utf-8 here */
-
+
while (*sub != 0)
{
int complete = 0;
if (bytes_left)
{
if ((c & 0xc0) != 0x80)
- {
/* wrong continuation byte; invalidate all bytes */
complete = 1; /* error */
- }
else
{
codepoint = (codepoint << 6) | (c & 0x3f);
seq_buff[index++] = c;
if (--bytes_left == 0) /* codepoint complete */
- {
if(codepoint > 0x10FFFF) /* is it too large? */
complete = -1; /* error (RFC3629 limit) */
else
yield = string_cat(yield, &size, &ptr, seq_buff, seq_len);
index = 0;
}
- }
}
}
else /* no bytes left: new sequence */
yield = string_cat(yield, &size, &ptr, UTF8_REPLACEMENT_CHAR, 1);
}
if ((complete == 1) && ((c & 0x80) == 0))
- { /* ASCII character follows incomplete sequence */
+ /* ASCII character follows incomplete sequence */
yield = string_cat(yield, &size, &ptr, &c, 1);
- }
}
continue;
}
+#ifdef SUPPORT_I18N
+ case EOP_UTF8_DOMAIN_TO_ALABEL:
+ {
+ uschar * error = NULL;
+ uschar * s = string_domain_utf8_to_alabel(sub, &error);
+ if (error)
+ {
+ expand_string_message = string_sprintf(
+ "error converting utf8 (%s) to alabel: %s",
+ string_printing(sub), error);
+ goto EXPAND_FAILED;
+ }
+ yield = string_cat(yield, &size, &ptr, s, Ustrlen(s));
+ continue;
+ }
+
+ case EOP_UTF8_DOMAIN_FROM_ALABEL:
+ {
+ uschar * error = NULL;
+ uschar * s = string_domain_alabel_to_utf8(sub, &error);
+ if (error)
+ {
+ expand_string_message = string_sprintf(
+ "error converting alabel (%s) to utf8: %s",
+ string_printing(sub), error);
+ goto EXPAND_FAILED;
+ }
+ yield = string_cat(yield, &size, &ptr, s, Ustrlen(s));
+ continue;
+ }
+
+ case EOP_UTF8_LOCALPART_TO_ALABEL:
+ {
+ uschar * error = NULL;
+ uschar * s = string_localpart_utf8_to_alabel(sub, &error);
+ if (error)
+ {
+ expand_string_message = string_sprintf(
+ "error converting utf8 (%s) to alabel: %s",
+ string_printing(sub), error);
+ goto EXPAND_FAILED;
+ }
+ yield = string_cat(yield, &size, &ptr, s, Ustrlen(s));
+ DEBUG(D_expand) debug_printf("yield: '%s'\n", yield);
+ continue;
+ }
+
+ case EOP_UTF8_LOCALPART_FROM_ALABEL:
+ {
+ uschar * error = NULL;
+ uschar * s = string_localpart_alabel_to_utf8(sub, &error);
+ if (error)
+ {
+ expand_string_message = string_sprintf(
+ "error converting alabel (%s) to utf8: %s",
+ string_printing(sub), error);
+ goto EXPAND_FAILED;
+ }
+ yield = string_cat(yield, &size, &ptr, s, Ustrlen(s));
+ continue;
+ }
+#endif /* EXPERIMENTAL_INTERNATIONAL */
+
/* escape turns all non-printing characters into escape sequences. */
case EOP_ESCAPE:
{
- uschar *t = string_printing(sub);
+ const uschar *t = string_printing(sub);
yield = string_cat(yield, &size, &ptr, t, Ustrlen(t));
continue;
}
/* Convert string to base64 encoding */
case EOP_STR2B64:
+ case EOP_BASE64:
+ {
+#ifdef SUPPORT_TLS
+ uschar * s = vp && *(void **)vp->value
+ ? tls_cert_der_b64(*(void **)vp->value)
+ : b64encode(sub, Ustrlen(sub));
+#else
+ uschar * s = b64encode(sub, Ustrlen(sub));
+#endif
+ yield = string_cat(yield, &size, &ptr, s, Ustrlen(s));
+ continue;
+ }
+
+ case EOP_BASE64D:
{
- uschar *encstr = auth_b64encode(sub, Ustrlen(sub));
- yield = string_cat(yield, &size, &ptr, encstr, Ustrlen(encstr));
+ uschar * s;
+ int len = b64decode(sub, &s);
+ if (len < 0)
+ {
+ expand_string_message = string_sprintf("string \"%s\" is not "
+ "well-formed for \"%s\" operator", sub, name);
+ goto EXPAND_FAILED;
+ }
+ yield = string_cat(yield, &size, &ptr, s, Ustrlen(s));
continue;
}
+const uschar *
+expand_cstring(const uschar *string)
+{
+search_find_defer = FALSE;
+malformed_header = FALSE;
+return (Ustrpbrk(string, "$\\") == NULL)? string :
+ expand_string_internal(string, FALSE, NULL, FALSE, TRUE, NULL);
+}
+
+
+
/*************************************************
* Expand and copy *
*************************************************/
/* Now and again we want to expand a string and be sure that the result is in a
new bit of store. This function does that.
+Since we know it has been copied, the de-const cast is safe.
Argument: the string to be expanded
Returns: the expanded string, always in a new bit of store, or NULL
*/
uschar *
-expand_string_copy(uschar *string)
+expand_string_copy(const uschar *string)
{
-uschar *yield = expand_string(string);
+const uschar *yield = expand_cstring(string);
if (yield == string) yield = string_copy(string);
-return yield;
+return US yield;
}
*/
static int_eximarith_t
-expanded_string_integer(uschar *s, BOOL isplus)
+expanded_string_integer(const uschar *s, BOOL isplus)
{
int_eximarith_t value;
uschar *msg = US"invalid integer \"%s\"";
}
+/* These values are usually fixed boolean values, but they are permitted to be
+expanded strings.
+
+Arguments:
+ addr address being routed
+ mtype the module type
+ mname the module name
+ dbg_opt debug selectors
+ oname the option name
+ bvalue the router's boolean value
+ svalue the router's string value
+ rvalue where to put the returned value
+
+Returns: OK value placed in rvalue
+ DEFER expansion failed
+*/
+
+int
+exp_bool(address_item *addr,
+ uschar *mtype, uschar *mname, unsigned dbg_opt,
+ uschar *oname, BOOL bvalue,
+ uschar *svalue, BOOL *rvalue)
+{
+uschar *expanded;
+if (svalue == NULL) { *rvalue = bvalue; return OK; }
+
+expanded = expand_string(svalue);
+if (expanded == NULL)
+ {
+ if (expand_string_forcedfail)
+ {
+ DEBUG(dbg_opt) debug_printf("expansion of \"%s\" forced failure\n", oname);
+ *rvalue = bvalue;
+ return OK;
+ }
+ addr->message = string_sprintf("failed to expand \"%s\" in %s %s: %s",
+ oname, mname, mtype, expand_string_message);
+ DEBUG(dbg_opt) debug_printf("%s\n", addr->message);
+ return DEFER;
+ }
+
+DEBUG(dbg_opt) debug_printf("expansion of \"%s\" yields \"%s\"\n", oname,
+ expanded);
+
+if (strcmpic(expanded, US"true") == 0 || strcmpic(expanded, US"yes") == 0)
+ *rvalue = TRUE;
+else if (strcmpic(expanded, US"false") == 0 || strcmpic(expanded, US"no") == 0)
+ *rvalue = FALSE;
+else
+ {
+ addr->message = string_sprintf("\"%s\" is not a valid value for the "
+ "\"%s\" option in the %s %s", expanded, oname, mname, mtype);
+ return DEFER;
+ }
+
+return OK;
+}
+
+
+
+
/*************************************************
**************************************************
* Stand-alone test program *
{
int ovector[3*(EXPAND_MAXN+1)];
int n = pcre_exec(re, NULL, subject, Ustrlen(subject), 0, PCRE_EOPT|options,
- ovector, sizeof(ovector)/sizeof(int));
+ ovector, nelem(ovector));
BOOL yield = n >= 0;
if (n == 0) n = EXPAND_MAXN + 1;
if (yield)
if (Ustrspn(argv[i], "abcdefghijklmnopqrtsuvwxyz0123456789-.:/") ==
Ustrlen(argv[i]))
{
- #ifdef LOOKUP_LDAP
+#ifdef LOOKUP_LDAP
eldap_default_servers = argv[i];
- #endif
- #ifdef LOOKUP_MYSQL
+#endif
+#ifdef LOOKUP_MYSQL
mysql_servers = argv[i];
- #endif
- #ifdef LOOKUP_PGSQL
+#endif
+#ifdef LOOKUP_PGSQL
pgsql_servers = argv[i];
- #endif
- #ifdef EXPERIMENTAL_REDIS
+#endif
+#ifdef LOOKUP_REDIS
redis_servers = argv[i];
- #endif
+#endif
}
- #ifdef EXIM_PERL
+#ifdef EXIM_PERL
else opt_perl_startup = argv[i];
- #endif
+#endif
}
printf("Testing string expansion: debug_level = %d\n\n", debug_level);
git://git.exim.org / users / heiko / exim.git / blobdiff