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Convert some redef-able constants to runtime options

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This commit is contained in:
Daniel Thayer 2018-08-15 10:17:14 -05:00
parent 0e6913fba0
commit dc0904a7f3
20 changed files with 37 additions and 37 deletions
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2
scripts/base/frameworks/netcontrol/catch-and-release.bro
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@ -142,7 +142,7 @@ export {
## If true, catch and release warns if packets of an IP address are still seen after it ## If true, catch and release warns if packets of an IP address are still seen after it
## should have been blocked. ## should have been blocked.
const catch_release_warn_blocked_ip_encountered = F &redef; option catch_release_warn_blocked_ip_encountered = F;
## Time intervals for which subsequent drops of the same IP take ## Time intervals for which subsequent drops of the same IP take
## effect. ## effect.

6
scripts/base/frameworks/notice/main.bro
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@ -201,14 +201,14 @@ export {
## Address that emails will be from. ## Address that emails will be from.
## ##
## Note that this is overridden by the BroControl MailFrom option. ## Note that this is overridden by the BroControl MailFrom option.
const mail_from = "Big Brother <bro@localhost>" &redef; option mail_from = "Big Brother <bro@localhost>";
## Reply-to address used in outbound email. ## Reply-to address used in outbound email.
const reply_to = "" &redef; option reply_to = "";
## Text string prefixed to the subject of all emails sent out. ## Text string prefixed to the subject of all emails sent out.
## ##
## Note that this is overridden by the BroControl MailSubjectPrefix ## Note that this is overridden by the BroControl MailSubjectPrefix
## option. ## option.
const mail_subject_prefix = "[Bro]" &redef; option mail_subject_prefix = "[Bro]";
## The maximum amount of time a plugin can delay email from being sent. ## The maximum amount of time a plugin can delay email from being sent.
const max_email_delay = 15secs &redef; const max_email_delay = 15secs &redef;

2
scripts/base/protocols/dhcp/main.bro
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@ -77,7 +77,7 @@ export {
## The maximum amount of time that a transation ID will be watched ## The maximum amount of time that a transation ID will be watched
## for to try and tie messages together into a single DHCP ## for to try and tie messages together into a single DHCP
## transaction narrative. ## transaction narrative.
const DHCP::max_txid_watch_time = 30secs &redef; option DHCP::max_txid_watch_time = 30secs;
## This event is used internally to distribute data around clusters ## This event is used internally to distribute data around clusters
## since DHCP doesn't follow the normal "connection" model used by ## since DHCP doesn't follow the normal "connection" model used by

6
scripts/base/protocols/ftp/main.bro
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@ -17,13 +17,13 @@ export {
redef enum Log::ID += { LOG }; redef enum Log::ID += { LOG };
## List of commands that should have their command/response pairs logged. ## List of commands that should have their command/response pairs logged.
const logged_commands = { option logged_commands = {
"APPE", "DELE", "RETR", "STOR", "STOU", "ACCT", "PORT", "PASV", "EPRT", "APPE", "DELE", "RETR", "STOR", "STOU", "ACCT", "PORT", "PASV", "EPRT",
"EPSV" "EPSV"
} &redef; };
## User IDs that can be considered "anonymous". ## User IDs that can be considered "anonymous".
const guest_ids = { "anonymous", "ftp", "ftpuser", "guest" } &redef; option guest_ids = { "anonymous", "ftp", "ftpuser", "guest" };
## This record is to hold a parsed FTP reply code. For example, for the ## This record is to hold a parsed FTP reply code. For example, for the
## 201 status code, the digits would be parsed as: x->2, y->0, z->1. ## 201 status code, the digits would be parsed as: x->2, y->0, z->1.

4
scripts/base/protocols/http/main.bro
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@ -109,7 +109,7 @@ export {
## A list of HTTP methods. Other methods will generate a weird. Note ## A list of HTTP methods. Other methods will generate a weird. Note
## that the HTTP analyzer will only accept methods consisting solely ## that the HTTP analyzer will only accept methods consisting solely
## of letters ``[A-Za-z]``. ## of letters ``[A-Za-z]``.
const http_methods: set[string] = { option http_methods: set[string] = {
"GET", "POST", "HEAD", "OPTIONS", "GET", "POST", "HEAD", "OPTIONS",
"PUT", "DELETE", "TRACE", "CONNECT", "PUT", "DELETE", "TRACE", "CONNECT",
# HTTP methods for distributed authoring: # HTTP methods for distributed authoring:
@ -117,7 +117,7 @@ export {
"COPY", "MOVE", "LOCK", "UNLOCK", "COPY", "MOVE", "LOCK", "UNLOCK",
"POLL", "REPORT", "SUBSCRIBE", "BMOVE", "POLL", "REPORT", "SUBSCRIBE", "BMOVE",
"SEARCH" "SEARCH"
} &redef; };
## Event that can be handled to access the HTTP record as it is sent on ## Event that can be handled to access the HTTP record as it is sent on
## to the logging framework. ## to the logging framework.

4
scripts/base/protocols/krb/main.bro
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@ -48,7 +48,7 @@ export {
}; };
## The server response error texts which are *not* logged. ## The server response error texts which are *not* logged.
const ignored_errors: set[string] = { option ignored_errors: set[string] = {
# This will significantly increase the noisiness of the log. # This will significantly increase the noisiness of the log.
# However, one attack is to iterate over principals, looking # However, one attack is to iterate over principals, looking
# for ones that don't require preauth, and then performn # for ones that don't require preauth, and then performn
@ -58,7 +58,7 @@ export {
# This is a more specific version of NEEDED_PREAUTH that's used # This is a more specific version of NEEDED_PREAUTH that's used
# by Windows AD Kerberos. # by Windows AD Kerberos.
"Need to use PA-ENC-TIMESTAMP/PA-PK-AS-REQ", "Need to use PA-ENC-TIMESTAMP/PA-PK-AS-REQ",
} &redef; };
## Event that can be handled to access the KRB record as it is sent on ## Event that can be handled to access the KRB record as it is sent on
## to the logging framework. ## to the logging framework.

4
scripts/base/protocols/sip/main.bro
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@ -80,9 +80,9 @@ export {
## A list of SIP methods. Other methods will generate a weird. Note ## A list of SIP methods. Other methods will generate a weird. Note
## that the SIP analyzer will only accept methods consisting solely ## that the SIP analyzer will only accept methods consisting solely
## of letters ``[A-Za-z]``. ## of letters ``[A-Za-z]``.
const sip_methods: set[string] = { option sip_methods: set[string] = {
"REGISTER", "INVITE", "ACK", "CANCEL", "BYE", "OPTIONS", "NOTIFY", "SUBSCRIBE" "REGISTER", "INVITE", "ACK", "CANCEL", "BYE", "OPTIONS", "NOTIFY", "SUBSCRIBE"
} &redef; };
## Event that can be handled to access the SIP record as it is sent on ## Event that can be handled to access the SIP record as it is sent on
## to the logging framework. ## to the logging framework.

2
scripts/policy/frameworks/dpd/packet-segment-logging.bro
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@ -16,7 +16,7 @@ export {
}; };
## Size of the packet segment to display in the DPD log. ## Size of the packet segment to display in the DPD log.
const packet_segment_size: int = 255 &redef; option packet_segment_size: int = 255;
} }

2
scripts/policy/frameworks/files/detect-MHR.bro
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@ -32,7 +32,7 @@ export {
## A/V engines. Team Cymru returns a percentage to indicate how ## A/V engines. Team Cymru returns a percentage to indicate how
## many A/V engines flagged the sample as malicious. This threshold ## many A/V engines flagged the sample as malicious. This threshold
## allows you to require a minimum detection rate. ## allows you to require a minimum detection rate.
const notice_threshold = 10 &redef; option notice_threshold = 10;
} }
function do_mhr_lookup(hash: string, fi: Notice::FileInfo) function do_mhr_lookup(hash: string, fi: Notice::FileInfo)

2
scripts/policy/frameworks/software/version-changes.bro
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@ -19,7 +19,7 @@ export {
## Some software is more interesting when the version changes and this ## Some software is more interesting when the version changes and this
## is a set of all software that should raise a notice when a different ## is a set of all software that should raise a notice when a different
## version is seen on a host. ## version is seen on a host.
const interesting_version_changes: set[string] = { } &redef; option interesting_version_changes: set[string] = {};
} }
event Software::version_change(old: Software::Info, new: Software::Info) event Software::version_change(old: Software::Info, new: Software::Info)

2
scripts/policy/misc/capture-loss.bro
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@ -44,7 +44,7 @@ export {
## when the :bro:enum:`CaptureLoss::Too_Much_Loss` notice should be ## when the :bro:enum:`CaptureLoss::Too_Much_Loss` notice should be
## generated. The value is expressed as a double between 0 and 1 with 1 ## generated. The value is expressed as a double between 0 and 1 with 1
## being 100%. ## being 100%.
const too_much_loss: double = 0.1 &redef; option too_much_loss: double = 0.1;
} }
event CaptureLoss::take_measurement(last_ts: time, last_acks: count, last_gaps: count) event CaptureLoss::take_measurement(last_ts: time, last_acks: count, last_gaps: count)

2
scripts/policy/misc/dump-events.bro
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@ -7,7 +7,7 @@ module DumpEvents;
export { export {
## If true, include event arguments in output. ## If true, include event arguments in output.
const include_args = T &redef; option include_args = T;
## Only include events matching the given pattern into output. By default, the ## Only include events matching the given pattern into output. By default, the
## pattern matches all events. ## pattern matches all events.

2
scripts/policy/misc/stats.bro
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@ -8,7 +8,7 @@ export {
redef enum Log::ID += { LOG }; redef enum Log::ID += { LOG };
## How often stats are reported. ## How often stats are reported.
const report_interval = 5min &redef; option report_interval = 5min;
type Info: record { type Info: record {
## Timestamp for the measurement. ## Timestamp for the measurement.

4
scripts/policy/protocols/http/header-names.bro
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@ -18,10 +18,10 @@ export {
}; };
## A boolean value to determine if client header names are to be logged. ## A boolean value to determine if client header names are to be logged.
const log_client_header_names = T &redef; option log_client_header_names = T;
## A boolean value to determine if server header names are to be logged. ## A boolean value to determine if server header names are to be logged.
const log_server_header_names = F &redef; option log_server_header_names = F;
} }
event http_header(c: connection, is_orig: bool, name: string, value: string) &priority=3 event http_header(c: connection, is_orig: bool, name: string, value: string) &priority=3

10
scripts/policy/protocols/smb/main.bro
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@ -32,19 +32,19 @@ export {
}; };
## The file actions which are logged. ## The file actions which are logged.
const logged_file_actions: set[Action] = { option logged_file_actions: set[Action] = {
FILE_OPEN, FILE_OPEN,
FILE_RENAME, FILE_RENAME,
FILE_DELETE, FILE_DELETE,
PRINT_OPEN, PRINT_OPEN,
PRINT_CLOSE, PRINT_CLOSE,
} &redef; };
## The server response statuses which are *not* logged. ## The server response statuses which are *not* logged.
const ignored_command_statuses: set[string] = { option ignored_command_statuses: set[string] = {
"MORE_PROCESSING_REQUIRED", "MORE_PROCESSING_REQUIRED",
} &redef; };
## This record is for the smb_files.log ## This record is for the smb_files.log
type FileInfo: record { type FileInfo: record {
@ -159,7 +159,7 @@ export {
## Optionally write out the SMB commands log. This is ## Optionally write out the SMB commands log. This is
## primarily useful for debugging so is disabled by default. ## primarily useful for debugging so is disabled by default.
const write_cmd_log = F &redef; option write_cmd_log = F;
## Everything below here is used internally in the SMB scripts. ## Everything below here is used internally in the SMB scripts.

4
scripts/policy/protocols/smtp/detect-suspicious-orig.bro
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@ -11,8 +11,8 @@ export {
## Places where it's suspicious for mail to originate from represented ## Places where it's suspicious for mail to originate from represented
## as all-capital, two character country codes (e.g., US). It requires ## as all-capital, two character country codes (e.g., US). It requires
## libGeoIP support built in. ## libGeoIP support built in.
const suspicious_origination_countries: set[string] = {} &redef; option suspicious_origination_countries: set[string] = {};
const suspicious_origination_networks: set[subnet] = {} &redef; option suspicious_origination_networks: set[subnet] = {};
} }

2
scripts/policy/protocols/smtp/entities-excerpt.bro
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@ -14,7 +14,7 @@ export {
## This is the default value for how much of the entity body should be ## This is the default value for how much of the entity body should be
## included for all MIME entities. The lesser of this value and ## included for all MIME entities. The lesser of this value and
## :bro:see:`default_file_bof_buffer_size` will be used. ## :bro:see:`default_file_bof_buffer_size` will be used.
const default_entity_excerpt_len = 0 &redef; option default_entity_excerpt_len = 0;
} }
event file_new(f: fa_file) &priority=5 event file_new(f: fa_file) &priority=5

2
scripts/policy/protocols/ssh/geo-data.bro
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@ -21,7 +21,7 @@ export {
## The set of countries for which you'd like to generate notices upon ## The set of countries for which you'd like to generate notices upon
## successful login. ## successful login.
const watched_countries: set[string] = {"RO"} &redef; option watched_countries: set[string] = {"RO"};
} }
function get_location(c: connection): geo_location function get_location(c: connection): geo_location

4
scripts/policy/protocols/ssl/expiring-certs.bro
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@ -27,11 +27,11 @@ export {
## notices will be suppressed by the notice framework for 1 day after ## notices will be suppressed by the notice framework for 1 day after
## a particular certificate has had a notice generated. ## a particular certificate has had a notice generated.
## Choices are: LOCAL_HOSTS, REMOTE_HOSTS, ALL_HOSTS, NO_HOSTS ## Choices are: LOCAL_HOSTS, REMOTE_HOSTS, ALL_HOSTS, NO_HOSTS
const notify_certs_expiration = LOCAL_HOSTS &redef; option notify_certs_expiration = LOCAL_HOSTS;
## The time before a certificate is going to expire that you would like ## The time before a certificate is going to expire that you would like
## to start receiving :bro:enum:`SSL::Certificate_Expires_Soon` notices. ## to start receiving :bro:enum:`SSL::Certificate_Expires_Soon` notices.
const notify_when_cert_expiring_in = 30days &redef; option notify_when_cert_expiring_in = 30days;
} }
event ssl_established(c: connection) &priority=3 event ssl_established(c: connection) &priority=3

8
scripts/policy/protocols/ssl/weak-keys.bro
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@ -21,24 +21,24 @@ export {
## keys/ciphers/protocol_versions. By default, these notices will be suppressed ## keys/ciphers/protocol_versions. By default, these notices will be suppressed
## by the notice framework for 1 day after a particular host has had a notice ## by the notice framework for 1 day after a particular host has had a notice
## generated. Choices are: LOCAL_HOSTS, REMOTE_HOSTS, ALL_HOSTS, NO_HOSTS ## generated. Choices are: LOCAL_HOSTS, REMOTE_HOSTS, ALL_HOSTS, NO_HOSTS
const notify_weak_keys = LOCAL_HOSTS &redef; option notify_weak_keys = LOCAL_HOSTS;
## The minimal key length in bits that is considered to be safe. Any shorter ## The minimal key length in bits that is considered to be safe. Any shorter
## (non-EC) key lengths will trigger a notice. ## (non-EC) key lengths will trigger a notice.
const notify_minimal_key_length = 2048 &redef; option notify_minimal_key_length = 2048;
## Warn if the DH key length is smaller than the certificate key length. This is ## Warn if the DH key length is smaller than the certificate key length. This is
## potentially unsafe because it gives a wrong impression of safety due to the ## potentially unsafe because it gives a wrong impression of safety due to the
## certificate key length. However, it is very common and cannot be avoided in some ## certificate key length. However, it is very common and cannot be avoided in some
## settings (e.g. with old jave clients). ## settings (e.g. with old jave clients).
const notify_dh_length_shorter_cert_length = T &redef; option notify_dh_length_shorter_cert_length = T;
## Warn if a server negotiates a SSL session with a protocol version smaller than ## Warn if a server negotiates a SSL session with a protocol version smaller than
## the specified version. By default, the minimal version is TLSv10 because SSLv2 ## the specified version. By default, the minimal version is TLSv10 because SSLv2
## and v3 have serious security issued. ## and v3 have serious security issued.
## See https://tools.ietf.org/html/draft-thomson-sslv3-diediedie-00 ## See https://tools.ietf.org/html/draft-thomson-sslv3-diediedie-00
## To disable, set to SSLv20 ## To disable, set to SSLv20
const tls_minimum_version = TLSv10 &redef; option tls_minimum_version = TLSv10;
## Warn if a server negotiates an unsafe cipher suite. By default, we only warn when ## Warn if a server negotiates an unsafe cipher suite. By default, we only warn when
## encountering old export cipher suites, or RC4 (see RFC7465). ## encountering old export cipher suites, or RC4 (see RFC7465).