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|
%%{
machine smtp_date;
# SMTP date spec
# Obtained from: http://tools.ietf.org/html/rfc5322#section_3.3
action Day_Start {
tmp = p;
}
action Day_End {
if (p > tmp) {
gulong n;
if (rspamd_strtoul (tmp, p - tmp, &n)) {
if (n > 0 && n <= 31) {
tm.tm_mday = n;
}
}
}
}
action Month_End {
}
action Year_Start {
tmp = p;
}
action Year_End {
if (p > tmp) {
gulong n;
if (rspamd_strtoul (tmp, p - tmp, &n)) {
if (n < 1000) {
tm.tm_year = n;
}
else {
tm.tm_year = n - 1900;
}
}
}
}
action Hour_Start {
tmp = p;
}
action Hour_End {
if (p > tmp) {
gulong n;
if (rspamd_strtoul (tmp, p - tmp, &n)) {
if (n < 24) {
tm.tm_hour = n;
}
}
}
}
action Minute_Start {
tmp = p;
}
action Minute_End {
if (p > tmp) {
gulong n;
if (rspamd_strtoul (tmp, p - tmp, &n)) {
if (n < 60) {
tm.tm_min = n;
}
}
}
}
action Second_Start {
tmp = p;
}
action Second_End {
if (p > tmp) {
gulong n;
if (rspamd_strtoul (tmp, p - tmp, &n)) {
if (n <= 60) { /* Leap second */
tm.tm_sec = n;
}
}
}
}
action TZ_Sign {
tmp = p;
}
action TZ_Offset_Start {
}
action TZ_Offset_End {
if (p > tmp) {
rspamd_strtoul (tmp, p - tmp, (gulong *)&tz);
if (*(tmp - 1) == '-') {
tz = -(tz);
}
}
}
action Obs_Zone_End {
}
action DT_End {
}
# Specific actions
# Months
action Month_Jan {
tm.tm_mon = 0;
}
action Month_Feb {
tm.tm_mon = 1;
}
action Month_Mar {
tm.tm_mon = 2;
}
action Month_Apr {
tm.tm_mon = 3;
}
action Month_May {
tm.tm_mon = 4;
}
action Month_Jun {
tm.tm_mon = 5;
}
action Month_Jul {
tm.tm_mon = 6;
}
action Month_Aug {
tm.tm_mon = 7;
}
action Month_Sep {
tm.tm_mon = 8;
}
action Month_Oct {
tm.tm_mon = 9;
}
action Month_Nov {
tm.tm_mon = 10;
}
action Month_Dec {
tm.tm_mon = 11;
}
# Obsoleted timezones
action TZ_UT {
tz = 0;
}
action TZ_GMT {
tz = 0;
}
action TZ_EST {
tz = -500;
}
action TZ_EDT {
tz = -400;
}
action TZ_CST {
tz = -600;
}
action TZ_CDT {
tz = -500;
}
action TZ_MST {
tz = -700;
}
action TZ_MDT {
tz = -600;
}
action TZ_PST {
tz = -800;
}
action TZ_PDT {
tz = -700;
}
digit_2 = digit{2};
digit_4 = digit{4};
day_name = "Mon" | "Tue" | "Wed" | "Thu" |
"Fri" | "Sat" | "Sun";
day_of_week = FWS? day_name;
day = FWS? digit{1,2} >Day_Start %Day_End FWS;
month = "Jan" %Month_Jan | "Feb" %Month_Feb | "Mar" %Month_Mar | "Apr" %Month_Apr |
"May" %Month_May | "Jun" %Month_Jun | "Jul" %Month_Jul | "Aug" %Month_Aug |
"Sep" %Month_Sep | "Oct" %Month_Oct | "Nov" %Month_Nov | "Dec" %Month_Dec;
year = FWS digit{2,4} >Year_Start %Year_End FWS;
date = day month %Month_End year;
hour = digit_2;
minute = digit_2;
second = digit_2;
time_of_day = hour >Hour_Start %Hour_End ":" minute >Minute_Start %Minute_End (":" second >Second_Start %Second_End )?;
zone = ("+" | "-") %TZ_Sign digit_4 >TZ_Offset_Start %TZ_Offset_End;
obs_zone = "UT" %TZ_UT | "GMT" %TZ_GMT |
"EST" %TZ_EST | "EDT" %TZ_EDT |
"CST" %TZ_CST | "CDT" %TZ_CDT |
"MST" %TZ_MST | "MDT" %TZ_MDT |
"PST" %TZ_PST | "PDT" %TZ_PDT |
[a-iA-I] | [k-zK-Z];
time = time_of_day %DT_End FWS (zone | obs_zone %Obs_Zone_End) FWS*;
date_time = (day_of_week ",")? date time;
}%%
|
