};
/* ACL condition and modifier codes - keep in step with the table that
-follows, and the cond_expand_at_top and uschar cond_modifiers tables lower
+follows.
down. */
enum { ACLC_ACL,
modifiers that look like conditions but always return TRUE. They are used for
their side effects. */
-static uschar *conditions[] = {
- US"acl",
- US"add_header",
- US"authenticated",
+typedef struct condition_def {
+ uschar *name;
+
+/* Flag to indicate the condition/modifier has a string expansion done
+at the outer level. In the other cases, expansion already occurs in the
+checking functions. */
+ BOOL expand_at_top:1;
+
+ BOOL is_modifier:1;
+
+/* Bit map vector of which conditions and modifiers are not allowed at certain
+times. For each condition and modifier, there's a bitmap of dis-allowed times.
+For some, it is easier to specify the negation of a small number of allowed
+times. */
+ unsigned forbids;
+
+} condition_def;
+
+static condition_def conditions[] = {
+ { US"acl", FALSE, FALSE, 0 },
+
+ { US"add_header", TRUE, TRUE,
+ (unsigned int)
+ ~((1<<ACL_WHERE_MAIL)|(1<<ACL_WHERE_RCPT)|
+ (1<<ACL_WHERE_PREDATA)|(1<<ACL_WHERE_DATA)|
+#ifndef DISABLE_PRDR
+ (1<<ACL_WHERE_PRDR)|
+#endif
+ (1<<ACL_WHERE_MIME)|(1<<ACL_WHERE_NOTSMTP)|
+ (1<<ACL_WHERE_DKIM)|
+ (1<<ACL_WHERE_NOTSMTP_START)),
+ },
+
+ { US"authenticated", FALSE, FALSE,
+ (1<<ACL_WHERE_NOTSMTP)|
+ (1<<ACL_WHERE_NOTSMTP_START)|
+ (1<<ACL_WHERE_CONNECT)|(1<<ACL_WHERE_HELO),
+ },
#ifdef EXPERIMENTAL_BRIGHTMAIL
- US"bmi_optin",
+ { US"bmi_optin", TRUE, TRUE,
+ (1<<ACL_WHERE_AUTH)|
+ (1<<ACL_WHERE_CONNECT)|(1<<ACL_WHERE_HELO)|
+ (1<<ACL_WHERE_DATA)|(1<<ACL_WHERE_MIME)|
+# ifndef DISABLE_PRDR
+ (1<<ACL_WHERE_PRDR)|
+# endif
+ (1<<ACL_WHERE_ETRN)|(1<<ACL_WHERE_EXPN)|
+ (1<<ACL_WHERE_MAILAUTH)|
+ (1<<ACL_WHERE_MAIL)|(1<<ACL_WHERE_STARTTLS)|
+ (1<<ACL_WHERE_VRFY)|(1<<ACL_WHERE_PREDATA)|
+ (1<<ACL_WHERE_NOTSMTP_START),
+ },
#endif
- US"condition",
- US"continue",
- US"control",
+ { US"condition", TRUE, FALSE, 0 },
+ { US"continue", TRUE, TRUE, 0 },
+
+ /* Certain types of control are always allowed, so we let it through
+ always and check in the control processing itself. */
+ { US"control", TRUE, TRUE, 0 },
+
#ifdef EXPERIMENTAL_DCC
- US"dcc",
+ { US"dcc", TRUE, FALSE,
+ (unsigned int)
+ ~((1<<ACL_WHERE_DATA)|
+# ifndef DISABLE_PRDR
+ (1<<ACL_WHERE_PRDR)|
+# endif
+ (1<<ACL_WHERE_NOTSMTP)),
+ },
#endif
#ifdef WITH_CONTENT_SCAN
- US"decode",
+ { US"decode", TRUE, FALSE, (unsigned int) ~(1<<ACL_WHERE_MIME) },
+
#endif
- US"delay",
+ { US"delay", TRUE, TRUE, (1<<ACL_WHERE_NOTQUIT) },
#ifndef DISABLE_DKIM
- US"dkim_signers",
- US"dkim_status",
+ { US"dkim_signers", TRUE, FALSE, (unsigned int) ~(1<<ACL_WHERE_DKIM) },
+ { US"dkim_status", TRUE, FALSE, (unsigned int) ~(1<<ACL_WHERE_DKIM) },
#endif
#ifdef EXPERIMENTAL_DMARC
- US"dmarc_status",
+ { US"dmarc_status", TRUE, FALSE, (unsigned int) ~(1<<ACL_WHERE_DATA) },
#endif
- US"dnslists",
- US"domains",
- US"encrypted",
- US"endpass",
- US"hosts",
- US"local_parts",
- US"log_message",
- US"log_reject_target",
- US"logwrite",
+
+ /* Explicit key lookups can be made in non-smtp ACLs so pass
+ always and check in the verify processing itself. */
+ { US"dnslists", TRUE, FALSE, 0 },
+
+ { US"domains", FALSE, FALSE,
+ (unsigned int)
+ ~((1<<ACL_WHERE_RCPT)
+ |(1<<ACL_WHERE_VRFY)
+#ifndef DISABLE_PRDR
+ |(1<<ACL_WHERE_PRDR)
+#endif
+ ),
+ },
+ { US"encrypted", FALSE, FALSE,
+ (1<<ACL_WHERE_NOTSMTP)|
+ (1<<ACL_WHERE_CONNECT)|
+ (1<<ACL_WHERE_NOTSMTP_START)|
+ (1<<ACL_WHERE_HELO),
+ },
+
+ { US"endpass", TRUE, TRUE, 0 },
+
+ { US"hosts", FALSE, FALSE,
+ (1<<ACL_WHERE_NOTSMTP)|
+ (1<<ACL_WHERE_NOTSMTP_START),
+ },
+ { US"local_parts", FALSE, FALSE,
+ (unsigned int)
+ ~((1<<ACL_WHERE_RCPT)
+ |(1<<ACL_WHERE_VRFY)
+ #ifndef DISABLE_PRDR
+ |(1<<ACL_WHERE_PRDR)
+ #endif
+ ),
+ },
+
+ { US"log_message", TRUE, TRUE, 0 },
+ { US"log_reject_target", TRUE, TRUE, 0 },
+ { US"logwrite", TRUE, TRUE, 0 },
+
#ifdef WITH_CONTENT_SCAN
- US"malware",
+ { US"malware", TRUE, FALSE,
+ (unsigned int)
+ ~((1<<ACL_WHERE_DATA)|
+# ifndef DISABLE_PRDR
+ (1<<ACL_WHERE_PRDR)|
+# endif
+ (1<<ACL_WHERE_NOTSMTP)),
+ },
#endif
- US"message",
+
+ { US"message", TRUE, TRUE, 0 },
#ifdef WITH_CONTENT_SCAN
- US"mime_regex",
+ { US"mime_regex", TRUE, FALSE, (unsigned int) ~(1<<ACL_WHERE_MIME) },
#endif
- US"queue",
- US"ratelimit",
- US"recipients",
+
+ { US"queue", TRUE, TRUE,
+ (1<<ACL_WHERE_NOTSMTP)|
+#ifndef DISABLE_PRDR
+ (1<<ACL_WHERE_PRDR)|
+#endif
+ (1<<ACL_WHERE_DATA),
+ },
+
+ { US"ratelimit", TRUE, FALSE, 0 },
+ { US"recipients", FALSE, FALSE, (unsigned int) ~(1<<ACL_WHERE_RCPT) },
+
#ifdef WITH_CONTENT_SCAN
- US"regex",
+ { US"regex", TRUE, FALSE,
+ (unsigned int)
+ ~((1<<ACL_WHERE_DATA)|
+# ifndef DISABLE_PRDR
+ (1<<ACL_WHERE_PRDR)|
+# endif
+ (1<<ACL_WHERE_NOTSMTP)|
+ (1<<ACL_WHERE_MIME)),
+ },
+
+#endif
+ { US"remove_header", TRUE, TRUE,
+ (unsigned int)
+ ~((1<<ACL_WHERE_MAIL)|(1<<ACL_WHERE_RCPT)|
+ (1<<ACL_WHERE_PREDATA)|(1<<ACL_WHERE_DATA)|
+#ifndef DISABLE_PRDR
+ (1<<ACL_WHERE_PRDR)|
#endif
- US"remove_header",
- US"sender_domains",
- US"senders",
- US"set",
+ (1<<ACL_WHERE_MIME)|(1<<ACL_WHERE_NOTSMTP)|
+ (1<<ACL_WHERE_NOTSMTP_START)),
+ },
+ { US"sender_domains", FALSE, FALSE,
+ (1<<ACL_WHERE_AUTH)|(1<<ACL_WHERE_CONNECT)|
+ (1<<ACL_WHERE_HELO)|
+ (1<<ACL_WHERE_MAILAUTH)|(1<<ACL_WHERE_QUIT)|
+ (1<<ACL_WHERE_ETRN)|(1<<ACL_WHERE_EXPN)|
+ (1<<ACL_WHERE_STARTTLS)|(1<<ACL_WHERE_VRFY),
+ },
+ { US"senders", FALSE, FALSE,
+ (1<<ACL_WHERE_AUTH)|(1<<ACL_WHERE_CONNECT)|
+ (1<<ACL_WHERE_HELO)|
+ (1<<ACL_WHERE_MAILAUTH)|(1<<ACL_WHERE_QUIT)|
+ (1<<ACL_WHERE_ETRN)|(1<<ACL_WHERE_EXPN)|
+ (1<<ACL_WHERE_STARTTLS)|(1<<ACL_WHERE_VRFY),
+ },
+
+ { US"set", TRUE, TRUE, 0 },
+
#ifdef WITH_CONTENT_SCAN
- US"spam",
+ { US"spam", TRUE, FALSE,
+ (unsigned int)
+ ~((1<<ACL_WHERE_DATA)|
+# ifndef DISABLE_PRDR
+ (1<<ACL_WHERE_PRDR)|
+# endif
+ (1<<ACL_WHERE_NOTSMTP)),
+ },
#endif
#ifdef EXPERIMENTAL_SPF
- US"spf",
- US"spf_guess",
+ { US"spf", TRUE, FALSE,
+ (1<<ACL_WHERE_AUTH)|(1<<ACL_WHERE_CONNECT)|
+ (1<<ACL_WHERE_HELO)|
+ (1<<ACL_WHERE_MAILAUTH)|
+ (1<<ACL_WHERE_ETRN)|(1<<ACL_WHERE_EXPN)|
+ (1<<ACL_WHERE_STARTTLS)|(1<<ACL_WHERE_VRFY)|
+ (1<<ACL_WHERE_NOTSMTP)|
+ (1<<ACL_WHERE_NOTSMTP_START),
+ },
+ { US"spf_guess", TRUE, FALSE,
+ (1<<ACL_WHERE_AUTH)|(1<<ACL_WHERE_CONNECT)|
+ (1<<ACL_WHERE_HELO)|
+ (1<<ACL_WHERE_MAILAUTH)|
+ (1<<ACL_WHERE_ETRN)|(1<<ACL_WHERE_EXPN)|
+ (1<<ACL_WHERE_STARTTLS)|(1<<ACL_WHERE_VRFY)|
+ (1<<ACL_WHERE_NOTSMTP)|
+ (1<<ACL_WHERE_NOTSMTP_START),
+ },
#endif
- US"udpsend",
- US"verify" };
+ { US"udpsend", TRUE, TRUE, 0 },
+
+ /* Certain types of verify are always allowed, so we let it through
+ always and check in the verify function itself */
+ { US"verify", TRUE, FALSE,
+ 0
+ },
+};
-/* Return values from decode_control(); keep in step with the table of names
-that follows! */
+
+/* Return values from decode_control(); used as index so keep in step
+with the controls_list table that follows! */
enum {
CONTROL_AUTH_UNADVERTISED,
#ifdef EXPERIMENTAL_BRIGHTMAIL
CONTROL_BMI_RUN,
#endif
+ CONTROL_CASEFUL_LOCAL_PART,
+ CONTROL_CASELOWER_LOCAL_PART,
+ CONTROL_CUTTHROUGH_DELIVERY,
CONTROL_DEBUG,
#ifndef DISABLE_DKIM
CONTROL_DKIM_VERIFY,
CONTROL_DMARC_FORENSIC,
#endif
CONTROL_DSCP,
- CONTROL_ERROR,
- CONTROL_CASEFUL_LOCAL_PART,
- CONTROL_CASELOWER_LOCAL_PART,
- CONTROL_CUTTHROUGH_DELIVERY,
CONTROL_ENFORCE_SYNC,
- CONTROL_NO_ENFORCE_SYNC,
+ CONTROL_ERROR, /* pseudo-value for decode errors */
+ CONTROL_FAKEDEFER,
+ CONTROL_FAKEREJECT,
CONTROL_FREEZE,
- CONTROL_QUEUE_ONLY,
- CONTROL_SUBMISSION,
- CONTROL_SUPPRESS_LOCAL_FIXUPS,
+
+ CONTROL_NO_CALLOUT_FLUSH,
+ CONTROL_NO_DELAY_FLUSH,
+ CONTROL_NO_ENFORCE_SYNC,
#ifdef WITH_CONTENT_SCAN
CONTROL_NO_MBOX_UNSPOOL,
-#endif
- CONTROL_FAKEDEFER,
- CONTROL_FAKEREJECT,
-#ifdef SUPPORT_I18N
- CONTROL_UTF8_DOWNCONVERT,
#endif
CONTROL_NO_MULTILINE,
CONTROL_NO_PIPELINING,
- CONTROL_NO_DELAY_FLUSH,
- CONTROL_NO_CALLOUT_FLUSH
-};
-
-/* ACL control names; keep in step with the table above! This list is used for
-turning ids into names. The actual list of recognized names is in the variable
-control_def controls_list[] below. The fact that there are two lists is a mess
-and should be tidied up. */
-static uschar *controls[] = {
- US"allow_auth_unadvertised",
-#ifdef EXPERIMENTAL_BRIGHTMAIL
- US"bmi_run",
-#endif
- US"debug",
-#ifndef DISABLE_DKIM
- US"dkim_disable_verify",
-#endif
-#ifdef EXPERIMENTAL_DMARC
- US"dmarc_disable_verify",
- US"dmarc_enable_forensic",
-#endif
- US"dscp",
- US"error",
- US"caseful_local_part",
- US"caselower_local_part",
- US"cutthrough_delivery",
- US"enforce_sync",
- US"no_enforce_sync",
- US"freeze",
- US"queue_only",
- US"submission",
- US"suppress_local_fixups",
-#ifdef WITH_CONTENT_SCAN
- US"no_mbox_unspool",
-#endif
- US"fakedefer",
- US"fakereject",
+ CONTROL_QUEUE_ONLY,
+ CONTROL_SUBMISSION,
+ CONTROL_SUPPRESS_LOCAL_FIXUPS,
#ifdef SUPPORT_I18N
- US"utf8_downconvert",
-#endif
- US"no_multiline_responses",
- US"no_pipelining",
- US"no_delay_flush",
- US"no_callout_flush"
-};
-
-/* Flags to indicate for which conditions/modifiers a string expansion is done
-at the outer level. In the other cases, expansion already occurs in the
-checking functions. */
-
-static uschar cond_expand_at_top[] = {
- FALSE, /* acl */
- TRUE, /* add_header */
- FALSE, /* authenticated */
-#ifdef EXPERIMENTAL_BRIGHTMAIL
- TRUE, /* bmi_optin */
-#endif
- TRUE, /* condition */
- TRUE, /* continue */
- TRUE, /* control */
-#ifdef EXPERIMENTAL_DCC
- TRUE, /* dcc */
-#endif
-#ifdef WITH_CONTENT_SCAN
- TRUE, /* decode */
-#endif
- TRUE, /* delay */
-#ifndef DISABLE_DKIM
- TRUE, /* dkim_signers */
- TRUE, /* dkim_status */
-#endif
-#ifdef EXPERIMENTAL_DMARC
- TRUE, /* dmarc_status */
-#endif
- TRUE, /* dnslists */
- FALSE, /* domains */
- FALSE, /* encrypted */
- TRUE, /* endpass */
- FALSE, /* hosts */
- FALSE, /* local_parts */
- TRUE, /* log_message */
- TRUE, /* log_reject_target */
- TRUE, /* logwrite */
-#ifdef WITH_CONTENT_SCAN
- TRUE, /* malware */
-#endif
- TRUE, /* message */
-#ifdef WITH_CONTENT_SCAN
- TRUE, /* mime_regex */
-#endif
- TRUE, /* queue */
- TRUE, /* ratelimit */
- FALSE, /* recipients */
-#ifdef WITH_CONTENT_SCAN
- TRUE, /* regex */
-#endif
- TRUE, /* remove_header */
- FALSE, /* sender_domains */
- FALSE, /* senders */
- TRUE, /* set */
-#ifdef WITH_CONTENT_SCAN
- TRUE, /* spam */
-#endif
-#ifdef EXPERIMENTAL_SPF
- TRUE, /* spf */
- TRUE, /* spf_guess */
-#endif
- TRUE, /* udpsend */
- TRUE /* verify */
-};
-
-/* Flags to identify the modifiers */
-
-static uschar cond_modifiers[] = {
- FALSE, /* acl */
- TRUE, /* add_header */
- FALSE, /* authenticated */
-#ifdef EXPERIMENTAL_BRIGHTMAIL
- TRUE, /* bmi_optin */
-#endif
- FALSE, /* condition */
- TRUE, /* continue */
- TRUE, /* control */
-#ifdef EXPERIMENTAL_DCC
- FALSE, /* dcc */
-#endif
-#ifdef WITH_CONTENT_SCAN
- FALSE, /* decode */
-#endif
- TRUE, /* delay */
-#ifndef DISABLE_DKIM
- FALSE, /* dkim_signers */
- FALSE, /* dkim_status */
-#endif
-#ifdef EXPERIMENTAL_DMARC
- FALSE, /* dmarc_status */
-#endif
- FALSE, /* dnslists */
- FALSE, /* domains */
- FALSE, /* encrypted */
- TRUE, /* endpass */
- FALSE, /* hosts */
- FALSE, /* local_parts */
- TRUE, /* log_message */
- TRUE, /* log_reject_target */
- TRUE, /* logwrite */
-#ifdef WITH_CONTENT_SCAN
- FALSE, /* malware */
-#endif
- TRUE, /* message */
-#ifdef WITH_CONTENT_SCAN
- FALSE, /* mime_regex */
-#endif
- TRUE, /* queue */
- FALSE, /* ratelimit */
- FALSE, /* recipients */
-#ifdef WITH_CONTENT_SCAN
- FALSE, /* regex */
-#endif
- TRUE, /* remove_header */
- FALSE, /* sender_domains */
- FALSE, /* senders */
- TRUE, /* set */
-#ifdef WITH_CONTENT_SCAN
- FALSE, /* spam */
-#endif
-#ifdef EXPERIMENTAL_SPF
- FALSE, /* spf */
- FALSE, /* spf_guess */
+ CONTROL_UTF8_DOWNCONVERT,
#endif
- TRUE, /* udpsend */
- FALSE /* verify */
};
-/* Bit map vector of which conditions and modifiers are not allowed at certain
-times. For each condition and modifier, there's a bitmap of dis-allowed times.
-For some, it is easier to specify the negation of a small number of allowed
-times. */
-
-static unsigned int cond_forbids[] = {
- 0, /* acl */
-
- (unsigned int)
- ~((1<<ACL_WHERE_MAIL)|(1<<ACL_WHERE_RCPT)| /* add_header */
- (1<<ACL_WHERE_PREDATA)|(1<<ACL_WHERE_DATA)|
- #ifndef DISABLE_PRDR
- (1<<ACL_WHERE_PRDR)|
- #endif
- (1<<ACL_WHERE_MIME)|(1<<ACL_WHERE_NOTSMTP)|
- (1<<ACL_WHERE_DKIM)|
- (1<<ACL_WHERE_NOTSMTP_START)),
-
- (1<<ACL_WHERE_NOTSMTP)| /* authenticated */
- (1<<ACL_WHERE_NOTSMTP_START)|
- (1<<ACL_WHERE_CONNECT)|(1<<ACL_WHERE_HELO),
-
- #ifdef EXPERIMENTAL_BRIGHTMAIL
- (1<<ACL_WHERE_AUTH)| /* bmi_optin */
- (1<<ACL_WHERE_CONNECT)|(1<<ACL_WHERE_HELO)|
- (1<<ACL_WHERE_DATA)|(1<<ACL_WHERE_MIME)|
- #ifndef DISABLE_PRDR
- (1<<ACL_WHERE_PRDR)|
- #endif
- (1<<ACL_WHERE_ETRN)|(1<<ACL_WHERE_EXPN)|
- (1<<ACL_WHERE_MAILAUTH)|
- (1<<ACL_WHERE_MAIL)|(1<<ACL_WHERE_STARTTLS)|
- (1<<ACL_WHERE_VRFY)|(1<<ACL_WHERE_PREDATA)|
- (1<<ACL_WHERE_NOTSMTP_START),
- #endif
-
- 0, /* condition */
-
- 0, /* continue */
-
- /* Certain types of control are always allowed, so we let it through
- always and check in the control processing itself. */
-
- 0, /* control */
-
- #ifdef EXPERIMENTAL_DCC
- (unsigned int)
- ~((1<<ACL_WHERE_DATA)| /* dcc */
- #ifndef DISABLE_PRDR
- (1<<ACL_WHERE_PRDR)|
- #endif
- (1<<ACL_WHERE_NOTSMTP)),
- #endif
-
- #ifdef WITH_CONTENT_SCAN
- (unsigned int)
- ~(1<<ACL_WHERE_MIME), /* decode */
- #endif
- (1<<ACL_WHERE_NOTQUIT), /* delay */
- #ifndef DISABLE_DKIM
- (unsigned int)
- ~(1<<ACL_WHERE_DKIM), /* dkim_signers */
-
- (unsigned int)
- ~(1<<ACL_WHERE_DKIM), /* dkim_status */
- #endif
-
- #ifdef EXPERIMENTAL_DMARC
- (unsigned int)
- ~(1<<ACL_WHERE_DATA), /* dmarc_status */
- #endif
-
- /* Explicit key lookups can be made in non-smtp ACLs so pass
- always and check in the verify processing itself. */
-
- 0, /* dnslists */
-
- (unsigned int)
- ~((1<<ACL_WHERE_RCPT) /* domains */
- |(1<<ACL_WHERE_VRFY)
- #ifndef DISABLE_PRDR
- |(1<<ACL_WHERE_PRDR)
- #endif
- ),
-
- (1<<ACL_WHERE_NOTSMTP)| /* encrypted */
- (1<<ACL_WHERE_CONNECT)|
- (1<<ACL_WHERE_NOTSMTP_START)|
- (1<<ACL_WHERE_HELO),
-
- 0, /* endpass */
-
- (1<<ACL_WHERE_NOTSMTP)| /* hosts */
- (1<<ACL_WHERE_NOTSMTP_START),
-
- (unsigned int)
- ~((1<<ACL_WHERE_RCPT) /* local_parts */
- |(1<<ACL_WHERE_VRFY)
- #ifndef DISABLE_PRDR
- |(1<<ACL_WHERE_PRDR)
- #endif
- ),
-
- 0, /* log_message */
-
- 0, /* log_reject_target */
-
- 0, /* logwrite */
-
- #ifdef WITH_CONTENT_SCAN
- (unsigned int)
- ~((1<<ACL_WHERE_DATA)| /* malware */
- #ifndef DISABLE_PRDR
- (1<<ACL_WHERE_PRDR)|
- #endif
- (1<<ACL_WHERE_NOTSMTP)),
- #endif
-
- 0, /* message */
-
- #ifdef WITH_CONTENT_SCAN
- (unsigned int)
- ~(1<<ACL_WHERE_MIME), /* mime_regex */
- #endif
-
- (1<<ACL_WHERE_NOTSMTP)| /* queue */
- #ifndef DISABLE_PRDR
- (1<<ACL_WHERE_PRDR)|
- #endif
- (1<<ACL_WHERE_DATA),
-
- 0, /* ratelimit */
-
- (unsigned int)
- ~(1<<ACL_WHERE_RCPT), /* recipients */
-
- #ifdef WITH_CONTENT_SCAN
- (unsigned int)
- ~((1<<ACL_WHERE_DATA)| /* regex */
- #ifndef DISABLE_PRDR
- (1<<ACL_WHERE_PRDR)|
- #endif
- (1<<ACL_WHERE_NOTSMTP)|
- (1<<ACL_WHERE_MIME)),
- #endif
-
- (unsigned int)
- ~((1<<ACL_WHERE_MAIL)|(1<<ACL_WHERE_RCPT)| /* remove_header */
- (1<<ACL_WHERE_PREDATA)|(1<<ACL_WHERE_DATA)|
- #ifndef DISABLE_PRDR
- (1<<ACL_WHERE_PRDR)|
- #endif
- (1<<ACL_WHERE_MIME)|(1<<ACL_WHERE_NOTSMTP)|
- (1<<ACL_WHERE_NOTSMTP_START)),
-
- (1<<ACL_WHERE_AUTH)|(1<<ACL_WHERE_CONNECT)| /* sender_domains */
- (1<<ACL_WHERE_HELO)|
- (1<<ACL_WHERE_MAILAUTH)|(1<<ACL_WHERE_QUIT)|
- (1<<ACL_WHERE_ETRN)|(1<<ACL_WHERE_EXPN)|
- (1<<ACL_WHERE_STARTTLS)|(1<<ACL_WHERE_VRFY),
-
- (1<<ACL_WHERE_AUTH)|(1<<ACL_WHERE_CONNECT)| /* senders */
- (1<<ACL_WHERE_HELO)|
- (1<<ACL_WHERE_MAILAUTH)|(1<<ACL_WHERE_QUIT)|
- (1<<ACL_WHERE_ETRN)|(1<<ACL_WHERE_EXPN)|
- (1<<ACL_WHERE_STARTTLS)|(1<<ACL_WHERE_VRFY),
-
- 0, /* set */
-
- #ifdef WITH_CONTENT_SCAN
- (unsigned int)
- ~((1<<ACL_WHERE_DATA)| /* spam */
- #ifndef DISABLE_PRDR
- (1<<ACL_WHERE_PRDR)|
- #endif
- (1<<ACL_WHERE_NOTSMTP)),
- #endif
-
- #ifdef EXPERIMENTAL_SPF
- (1<<ACL_WHERE_AUTH)|(1<<ACL_WHERE_CONNECT)| /* spf */
- (1<<ACL_WHERE_HELO)|
- (1<<ACL_WHERE_MAILAUTH)|
- (1<<ACL_WHERE_ETRN)|(1<<ACL_WHERE_EXPN)|
- (1<<ACL_WHERE_STARTTLS)|(1<<ACL_WHERE_VRFY)|
- (1<<ACL_WHERE_NOTSMTP)|
- (1<<ACL_WHERE_NOTSMTP_START),
+/* Structure listing various control arguments, with their characteristics.
+For each control, there's a bitmap of dis-allowed times. For some, it is easier
+to specify the negation of a small number of allowed times. */
- (1<<ACL_WHERE_AUTH)|(1<<ACL_WHERE_CONNECT)| /* spf_guess */
- (1<<ACL_WHERE_HELO)|
- (1<<ACL_WHERE_MAILAUTH)|
- (1<<ACL_WHERE_ETRN)|(1<<ACL_WHERE_EXPN)|
- (1<<ACL_WHERE_STARTTLS)|(1<<ACL_WHERE_VRFY)|
- (1<<ACL_WHERE_NOTSMTP)|
- (1<<ACL_WHERE_NOTSMTP_START),
- #endif
-
- 0, /* udpsend */
-
- /* Certain types of verify are always allowed, so we let it through
- always and check in the verify function itself */
-
- 0 /* verify */
-};
-
-
-/* Bit map vector of which controls are not allowed at certain times. For
-each control, there's a bitmap of dis-allowed times. For some, it is easier to
-specify the negation of a small number of allowed times. */
-
-static unsigned int control_forbids[] = {
- (unsigned int)
- ~((1<<ACL_WHERE_CONNECT)|(1<<ACL_WHERE_HELO)), /* allow_auth_unadvertised */
+typedef struct control_def {
+ uschar *name;
+ BOOL has_option; /* Has /option(s) following */
+ unsigned forbids; /* bitmap of dis-allowed times */
+} control_def;
+static control_def controls_list[] = {
+ { US"allow_auth_unadvertised", FALSE,
+ (unsigned)
+ ~((1<<ACL_WHERE_CONNECT)|(1<<ACL_WHERE_HELO))
+ },
#ifdef EXPERIMENTAL_BRIGHTMAIL
- 0, /* bmi_run */
+ { US"bmi_run", FALSE, 0 },
#endif
-
- 0, /* debug */
+ { US"caseful_local_part", FALSE, (unsigned) ~(1<<ACL_WHERE_RCPT) },
+ { US"caselower_local_part", FALSE, (unsigned) ~(1<<ACL_WHERE_RCPT) },
+ { US"cutthrough_delivery", TRUE, 0 },
+ { US"debug", TRUE, 0 },
#ifndef DISABLE_DKIM
- (1<<ACL_WHERE_DATA)|(1<<ACL_WHERE_NOTSMTP)| /* dkim_disable_verify */
+ { US"dkim_disable_verify", FALSE,
+ (1<<ACL_WHERE_DATA)|(1<<ACL_WHERE_NOTSMTP)|
# ifndef DISABLE_PRDR
- (1<<ACL_WHERE_PRDR)|
# endif
- (1<<ACL_WHERE_NOTSMTP_START),
+ (1<<ACL_WHERE_NOTSMTP_START)
+ },
#endif
#ifdef EXPERIMENTAL_DMARC
- (1<<ACL_WHERE_DATA)|(1<<ACL_WHERE_NOTSMTP)| /* dmarc_disable_verify */
- (1<<ACL_WHERE_NOTSMTP_START),
- (1<<ACL_WHERE_DATA)|(1<<ACL_WHERE_NOTSMTP)| /* dmarc_enable_forensic */
- (1<<ACL_WHERE_NOTSMTP_START),
+ { US"dmarc_disable_verify", FALSE,
+ (1<<ACL_WHERE_DATA)|(1<<ACL_WHERE_NOTSMTP)|(1<<ACL_WHERE_NOTSMTP_START)
+ },
+ { US"dmarc_enable_forensic", FALSE,
+ (1<<ACL_WHERE_DATA)|(1<<ACL_WHERE_NOTSMTP)|(1<<ACL_WHERE_NOTSMTP_START)
+ },
#endif
- (1<<ACL_WHERE_NOTSMTP)|
- (1<<ACL_WHERE_NOTSMTP_START)|
- (1<<ACL_WHERE_NOTQUIT), /* dscp */
-
- 0, /* error */
-
- (unsigned int)
- ~(1<<ACL_WHERE_RCPT), /* caseful_local_part */
+ { US"dscp", TRUE,
+ (1<<ACL_WHERE_NOTSMTP)|(1<<ACL_WHERE_NOTSMTP_START)|(1<<ACL_WHERE_NOTQUIT)
+ },
+ { US"enforce_sync", FALSE,
+ (1<<ACL_WHERE_NOTSMTP)|(1<<ACL_WHERE_NOTSMTP_START)
+ },
- (unsigned int)
- ~(1<<ACL_WHERE_RCPT), /* caselower_local_part */
+ /* Pseudo-value for decode errors */
+ { US"error", FALSE, 0 },
- (unsigned int)
- 0, /* cutthrough_delivery */
-
- (1<<ACL_WHERE_NOTSMTP)| /* enforce_sync */
- (1<<ACL_WHERE_NOTSMTP_START),
-
- (1<<ACL_WHERE_NOTSMTP)| /* no_enforce_sync */
- (1<<ACL_WHERE_NOTSMTP_START),
-
- (unsigned int)
- ~((1<<ACL_WHERE_MAIL)|(1<<ACL_WHERE_RCPT)| /* freeze */
- (1<<ACL_WHERE_PREDATA)|(1<<ACL_WHERE_DATA)|
- // (1<<ACL_WHERE_PRDR)| /* Not allow one user to freeze for all */
- (1<<ACL_WHERE_NOTSMTP)|(1<<ACL_WHERE_MIME)),
-
- (unsigned int)
- ~((1<<ACL_WHERE_MAIL)|(1<<ACL_WHERE_RCPT)| /* queue_only */
- (1<<ACL_WHERE_PREDATA)|(1<<ACL_WHERE_DATA)|
- // (1<<ACL_WHERE_PRDR)| /* Not allow one user to freeze for all */
- (1<<ACL_WHERE_NOTSMTP)|(1<<ACL_WHERE_MIME)),
-
- (unsigned int)
- ~((1<<ACL_WHERE_MAIL)|(1<<ACL_WHERE_RCPT)| /* submission */
- (1<<ACL_WHERE_PREDATA)),
-
- (unsigned int)
- ~((1<<ACL_WHERE_MAIL)|(1<<ACL_WHERE_RCPT)| /* suppress_local_fixups */
- (1<<ACL_WHERE_PREDATA)|
- (1<<ACL_WHERE_NOTSMTP_START)),
-
-#ifdef WITH_CONTENT_SCAN
- (unsigned int)
- ~((1<<ACL_WHERE_MAIL)|(1<<ACL_WHERE_RCPT)| /* no_mbox_unspool */
- (1<<ACL_WHERE_PREDATA)|(1<<ACL_WHERE_DATA)|
- // (1<<ACL_WHERE_PRDR)| /* Not allow one user to freeze for all */
- (1<<ACL_WHERE_MIME)),
-#endif
-
- (unsigned int)
- ~((1<<ACL_WHERE_MAIL)|(1<<ACL_WHERE_RCPT)| /* fakedefer */
- (1<<ACL_WHERE_PREDATA)|(1<<ACL_WHERE_DATA)|
+ { US"fakedefer", TRUE,
+ (unsigned)
+ ~((1<<ACL_WHERE_MAIL)|(1<<ACL_WHERE_RCPT)|
+ (1<<ACL_WHERE_PREDATA)|(1<<ACL_WHERE_DATA)|
#ifndef DISABLE_PRDR
- (1<<ACL_WHERE_PRDR)|
#endif
- (1<<ACL_WHERE_MIME)),
-
- (unsigned int)
- ~((1<<ACL_WHERE_MAIL)|(1<<ACL_WHERE_RCPT)| /* fakereject */
- (1<<ACL_WHERE_PREDATA)|(1<<ACL_WHERE_DATA)|
+ (1<<ACL_WHERE_MIME))
+ },
+ { US"fakereject", TRUE,
+ (unsigned)
+ ~((1<<ACL_WHERE_MAIL)|(1<<ACL_WHERE_RCPT)|
+ (1<<ACL_WHERE_PREDATA)|(1<<ACL_WHERE_DATA)|
#ifndef DISABLE_PRDR
- (1<<ACL_WHERE_PRDR)|
-#endif
- (1<<ACL_WHERE_MIME)),
-
-#ifdef SUPPORT_I18N
- 0, /* utf8_downconvert */
+ (1<<ACL_WHERE_PRDR)|
#endif
-
- (1<<ACL_WHERE_NOTSMTP)| /* no_multiline */
- (1<<ACL_WHERE_NOTSMTP_START),
-
- (1<<ACL_WHERE_NOTSMTP)| /* no_pipelining */
- (1<<ACL_WHERE_NOTSMTP_START),
-
- (1<<ACL_WHERE_NOTSMTP)| /* no_delay_flush */
- (1<<ACL_WHERE_NOTSMTP_START),
-
- (1<<ACL_WHERE_NOTSMTP)| /* no_callout_flush */
- (1<<ACL_WHERE_NOTSMTP_START)
-};
-
-/* Structure listing various control arguments, with their characteristics. */
-
-typedef struct control_def {
- uschar *name;
- int value; /* CONTROL_xxx value */
- BOOL has_option; /* Has /option(s) following */
-} control_def;
-
-static control_def controls_list[] = {
- { US"allow_auth_unadvertised", CONTROL_AUTH_UNADVERTISED, FALSE },
-#ifdef EXPERIMENTAL_BRIGHTMAIL
- { US"bmi_run", CONTROL_BMI_RUN, FALSE },
-#endif
- { US"debug", CONTROL_DEBUG, TRUE },
-#ifndef DISABLE_DKIM
- { US"dkim_disable_verify", CONTROL_DKIM_VERIFY, FALSE },
-#endif
-#ifdef EXPERIMENTAL_DMARC
- { US"dmarc_disable_verify", CONTROL_DMARC_VERIFY, FALSE },
- { US"dmarc_enable_forensic", CONTROL_DMARC_FORENSIC, FALSE },
-#endif
- { US"dscp", CONTROL_DSCP, TRUE },
- { US"caseful_local_part", CONTROL_CASEFUL_LOCAL_PART, FALSE },
- { US"caselower_local_part", CONTROL_CASELOWER_LOCAL_PART, FALSE },
- { US"enforce_sync", CONTROL_ENFORCE_SYNC, FALSE },
- { US"freeze", CONTROL_FREEZE, TRUE },
- { US"no_callout_flush", CONTROL_NO_CALLOUT_FLUSH, FALSE },
- { US"no_delay_flush", CONTROL_NO_DELAY_FLUSH, FALSE },
- { US"no_enforce_sync", CONTROL_NO_ENFORCE_SYNC, FALSE },
- { US"no_multiline_responses", CONTROL_NO_MULTILINE, FALSE },
- { US"no_pipelining", CONTROL_NO_PIPELINING, FALSE },
- { US"queue_only", CONTROL_QUEUE_ONLY, FALSE },
+ (1<<ACL_WHERE_MIME))
+ },
+ { US"freeze", TRUE,
+ (unsigned)
+ ~((1<<ACL_WHERE_MAIL)|(1<<ACL_WHERE_RCPT)|
+ (1<<ACL_WHERE_PREDATA)|(1<<ACL_WHERE_DATA)|
+ // (1<<ACL_WHERE_PRDR)| /* Not allow one user to freeze for all */
+ (1<<ACL_WHERE_NOTSMTP)|(1<<ACL_WHERE_MIME))
+ },
+
+ { US"no_callout_flush", FALSE,
+ (1<<ACL_WHERE_NOTSMTP)| (1<<ACL_WHERE_NOTSMTP_START)
+ },
+ { US"no_delay_flush", FALSE,
+ (1<<ACL_WHERE_NOTSMTP)|(1<<ACL_WHERE_NOTSMTP_START)
+ },
+
+ { US"no_enforce_sync", FALSE,
+ (1<<ACL_WHERE_NOTSMTP)|(1<<ACL_WHERE_NOTSMTP_START)
+ },
#ifdef WITH_CONTENT_SCAN
- { US"no_mbox_unspool", CONTROL_NO_MBOX_UNSPOOL, FALSE },
+ { US"no_mbox_unspool", FALSE,
+ (unsigned)
+ ~((1<<ACL_WHERE_MAIL)|(1<<ACL_WHERE_RCPT)|
+ (1<<ACL_WHERE_PREDATA)|(1<<ACL_WHERE_DATA)|
+ // (1<<ACL_WHERE_PRDR)| /* Not allow one user to freeze for all */
+ (1<<ACL_WHERE_MIME))
+ },
#endif
- { US"fakedefer", CONTROL_FAKEDEFER, TRUE },
- { US"fakereject", CONTROL_FAKEREJECT, TRUE },
- { US"submission", CONTROL_SUBMISSION, TRUE },
- { US"suppress_local_fixups", CONTROL_SUPPRESS_LOCAL_FIXUPS, FALSE },
- { US"cutthrough_delivery", CONTROL_CUTTHROUGH_DELIVERY, TRUE },
+ { US"no_multiline_responses", FALSE,
+ (1<<ACL_WHERE_NOTSMTP)|(1<<ACL_WHERE_NOTSMTP_START)
+ },
+ { US"no_pipelining", FALSE,
+ (1<<ACL_WHERE_NOTSMTP)|(1<<ACL_WHERE_NOTSMTP_START)
+ },
+
+ { US"queue_only", FALSE,
+ (unsigned)
+ ~((1<<ACL_WHERE_MAIL)|(1<<ACL_WHERE_RCPT)|
+ (1<<ACL_WHERE_PREDATA)|(1<<ACL_WHERE_DATA)|
+ // (1<<ACL_WHERE_PRDR)| /* Not allow one user to freeze for all */
+ (1<<ACL_WHERE_NOTSMTP)|(1<<ACL_WHERE_MIME))
+ },
+ { US"submission", TRUE,
+ (unsigned)
+ ~((1<<ACL_WHERE_MAIL)|(1<<ACL_WHERE_RCPT)|(1<<ACL_WHERE_PREDATA))
+ },
+ { US"suppress_local_fixups", FALSE,
+ (unsigned)
+ ~((1<<ACL_WHERE_MAIL)|(1<<ACL_WHERE_RCPT)|(1<<ACL_WHERE_PREDATA)|
+ (1<<ACL_WHERE_NOTSMTP_START))
+ },
#ifdef SUPPORT_I18N
- { US"utf8_downconvert", CONTROL_UTF8_DOWNCONVERT, TRUE }
+ { US"utf8_downconvert", TRUE, 0 }
#endif
- };
+};
/* Support data structures for Client SMTP Authorization. acl_verify_csa()
caches its result in a tree to avoid repeated DNS queries. The result is an
uschar **);
+/*************************************************
+* Find control in list *
+*************************************************/
+
+/* The lists are always in order, so binary chop can be used.
+
+Arguments:
+ name the control name to search for
+ ol the first entry in the control list
+ last one more than the offset of the last entry in the control list
+
+Returns: index of a control entry, or -1 if not found
+*/
+
+static int
+find_control(const uschar * name, control_def * ol, int last)
+{
+int first = 0;
+while (last > first)
+ {
+ int middle = (first + last)/2;
+ uschar * s = ol[middle].name;
+ int c = Ustrncmp(name, s, Ustrlen(s));
+ if (c == 0) return middle;
+ else if (c > 0) first = middle + 1;
+ else last = middle;
+ }
+return -1;
+}
+
+
+
+/*************************************************
+* Pick out condition from list *
+*************************************************/
+
+/* Use a binary chop method
+
+Arguments:
+ name name to find
+ list list of conditions
+ end size of list
+
+Returns: offset in list, or -1 if not found
+*/
+
+static int
+acl_checkcondition(uschar * name, condition_def * list, int end)
+{
+int start = 0;
+while (start < end)
+ {
+ int mid = (start + end)/2;
+ int c = Ustrcmp(name, list[mid].name);
+ if (c == 0) return mid;
+ if (c < 0) end = mid;
+ else start = mid + 1;
+ }
+return -1;
+}
+
+
/*************************************************
* Pick out name from list *
*************************************************/
/* If a verb is unrecognized, it may be another condition or modifier that
continues the previous verb. */
- v = acl_checkname(name, verbs, sizeof(verbs)/sizeof(char *));
- if (v < 0)
+ if ((v = acl_checkname(name, verbs, nelem(verbs))) < 0)
{
if (this == NULL)
{
/* Handle a condition or modifier. */
- c = acl_checkname(name, conditions, sizeof(conditions)/sizeof(char *));
- if (c < 0)
+ if ((c = acl_checkcondition(name, conditions, nelem(conditions))) < 0)
{
*error = string_sprintf("unknown ACL condition/modifier in \"%s\"",
saveline);
/* The modifiers may not be negated */
- if (negated && cond_modifiers[c])
+ if (negated && conditions[c].is_modifier)
{
*error = string_sprintf("ACL error: negation is not allowed with "
- "\"%s\"", conditions[c]);
+ "\"%s\"", conditions[c].name);
return NULL;
}
this->verb != ACL_DISCARD)
{
*error = string_sprintf("ACL error: \"%s\" is not allowed with \"%s\"",
- conditions[c], verbs[this->verb]);
+ conditions[c].name, verbs[this->verb]);
return NULL;
}
if (*s++ != '=')
{
*error = string_sprintf("\"=\" missing after ACL \"%s\" %s", name,
- cond_modifiers[c]? US"modifier" : US"condition");
+ conditions[c].is_modifier ? US"modifier" : US"condition");
return NULL;
}
while (isspace(*s)) s++;
static int
decode_control(const uschar *arg, const uschar **pptr, int where, uschar **log_msgptr)
{
-int len;
-control_def *d;
-
-for (d = controls_list;
- d < controls_list + sizeof(controls_list)/sizeof(control_def);
- d++)
- {
- len = Ustrlen(d->name);
- if (Ustrncmp(d->name, arg, len) == 0) break;
- }
+int idx, len;
+control_def * d;
-if (d >= controls_list + sizeof(controls_list)/sizeof(control_def) ||
- (arg[len] != 0 && (!d->has_option || arg[len] != '/')))
+if ( (idx = find_control(arg, controls_list, nelem(controls_list))) < 0
+ || ( arg[len = Ustrlen((d = controls_list+idx)->name)] != 0
+ && (!d->has_option || arg[len] != '/')
+ ) )
{
*log_msgptr = string_sprintf("syntax error in \"control=%s\"", arg);
return CONTROL_ERROR;
}
*pptr = arg + len;
-return d->value;
+return idx;
}
of them, but not for all, because expansion happens down in some lower level
checking functions in some cases. */
- if (cond_expand_at_top[cb->type])
+ if (conditions[cb->type].expand_at_top)
{
arg = expand_string(cb->arg);
if (arg == NULL)
{
int lhswidth = 0;
debug_printf("check %s%s %n",
- (!cond_modifiers[cb->type] && cb->u.negated)? "!":"",
- conditions[cb->type], &lhswidth);
+ (!conditions[cb->type].is_modifier && cb->u.negated)? "!":"",
+ conditions[cb->type].name, &lhswidth);
if (cb->type == ACLC_SET)
{
/* Check that this condition makes sense at this time */
- if ((cond_forbids[cb->type] & (1 << where)) != 0)
+ if ((conditions[cb->type].forbids & (1 << where)) != 0)
{
*log_msgptr = string_sprintf("cannot %s %s condition in %s ACL",
- cond_modifiers[cb->type]? "use" : "test",
- conditions[cb->type], acl_wherenames[where]);
+ conditions[cb->type].is_modifier ? "use" : "test",
+ conditions[cb->type].name, acl_wherenames[where]);
return ERROR;
}
/* Check if this control makes sense at this time */
- if ((control_forbids[control_type] & (1 << where)) != 0)
+ if (controls_list[control_type].forbids & (1 << where))
{
*log_msgptr = string_sprintf("cannot use \"control=%s\" in %s ACL",
- controls[control_type], acl_wherenames[where]);
+ controls_list[control_type].name, acl_wherenames[where]);
return ERROR;
}
/* If a condition was negated, invert OK/FAIL. */
- if (!cond_modifiers[cb->type] && cb->u.negated)
- {
+ if (!conditions[cb->type].is_modifier && cb->u.negated)
if (rc == OK) rc = FAIL;
- else if (rc == FAIL || rc == FAIL_DROP) rc = OK;
- }
+ else if (rc == FAIL || rc == FAIL_DROP) rc = OK;
if (rc != OK) break; /* Conditions loop */
}
git://git.exim.org / exim.git / blobdiff