diff options
Diffstat (limited to 'pigeonhole/src/lib-sieve/plugins/date')
| -rw-r--r-- | pigeonhole/src/lib-sieve/plugins/date/Makefile.am | 16 | ||||
| -rw-r--r-- | pigeonhole/src/lib-sieve/plugins/date/Makefile.in | 692 | ||||
| -rw-r--r-- | pigeonhole/src/lib-sieve/plugins/date/ext-date-common.c | 593 | ||||
| -rw-r--r-- | pigeonhole/src/lib-sieve/plugins/date/ext-date-common.h | 80 | ||||
| -rw-r--r-- | pigeonhole/src/lib-sieve/plugins/date/ext-date.c | 62 | ||||
| -rw-r--r-- | pigeonhole/src/lib-sieve/plugins/date/tst-date.c | 496 |
6 files changed, 1939 insertions, 0 deletions
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install-html-am \ + install-info install-info-am install-man install-pdf \ + install-pdf-am install-ps install-ps-am install-strip \ + installcheck installcheck-am installdirs maintainer-clean \ + maintainer-clean-generic mostlyclean mostlyclean-compile \ + mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \ + tags tags-am uninstall uninstall-am + +.PRECIOUS: Makefile + + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/pigeonhole/src/lib-sieve/plugins/date/ext-date-common.c b/pigeonhole/src/lib-sieve/plugins/date/ext-date-common.c new file mode 100644 index 0000000..7493b87 --- /dev/null +++ b/pigeonhole/src/lib-sieve/plugins/date/ext-date-common.c @@ -0,0 +1,593 @@ +/* Copyright (c) 2002-2018 Pigeonhole authors, see the included COPYING file + */ + +#include "lib.h" +#include "utc-offset.h" +#include "str.h" +#include "iso8601-date.h" +#include "message-date.h" + +#include "sieve-common.h" +#include "sieve-stringlist.h" +#include "sieve-code.h" +#include "sieve-interpreter.h" +#include "sieve-message.h" + +#include "ext-date-common.h" + +#include <time.h> +#include <ctype.h> + +struct ext_date_context { + time_t current_date; + int zone_offset; +}; + +/* + * Runtime initialization + */ + +static int ext_date_runtime_init +(const struct sieve_extension *ext, + const struct sieve_runtime_env *renv, + void *context ATTR_UNUSED, bool deferred ATTR_UNUSED) +{ + struct ext_date_context *dctx; + pool_t pool; + struct timeval msg_time; + time_t current_date; + struct tm *tm; + int zone_offset; + + /* Get current time at instance main script is started */ + sieve_message_context_time(renv->msgctx, &msg_time); + current_date = msg_time.tv_sec; + + tm = localtime(¤t_date); + zone_offset = utc_offset(tm, current_date); + + /* Create context */ + pool = sieve_message_context_pool(renv->msgctx); + dctx = p_new(pool, struct ext_date_context, 1); + dctx->current_date = current_date; + dctx->zone_offset = zone_offset; + + sieve_message_context_extension_set + (renv->msgctx, ext, (void *) dctx); + return SIEVE_EXEC_OK; +} + +static struct sieve_interpreter_extension +date_interpreter_extension = { + .ext_def = &date_extension, + .run = ext_date_runtime_init +}; + +bool ext_date_interpreter_load +(const struct sieve_extension *ext, const struct sieve_runtime_env *renv, + sieve_size_t *address ATTR_UNUSED) +{ + /* Register runtime hook to obtain stript start timestamp */ + if ( renv->msgctx == NULL || + sieve_message_context_extension_get(renv->msgctx, ext) == NULL ) { + sieve_interpreter_extension_register + (renv->interp, ext, &date_interpreter_extension, NULL); + } + + return TRUE; +} + +/* + * Zone string + */ + +bool ext_date_parse_timezone +(const char *zone, int *zone_offset_r) +{ + const unsigned char *str = (const unsigned char *) zone; + size_t len = strlen(zone); + + if (len == 5 && (*str == '+' || *str == '-')) { + int offset; + + if (!i_isdigit(str[1]) || !i_isdigit(str[2]) || + !i_isdigit(str[3]) || !i_isdigit(str[4])) + return FALSE; + + offset = ((str[1]-'0') * 10 + (str[2]-'0')) * 60 + + (str[3]-'0') * 10 + (str[4]-'0'); + + if ( zone_offset_r != NULL ) + *zone_offset_r = *str == '+' ? offset : -offset; + + return TRUE; + } + + return FALSE; +} + +/* + * Current date + */ + +time_t ext_date_get_current_date +(const struct sieve_runtime_env *renv, int *zone_offset_r) +{ + const struct sieve_extension *this_ext = renv->oprtn->ext; + struct ext_date_context *dctx = (struct ext_date_context *) + sieve_message_context_extension_get(renv->msgctx, this_ext); + + if ( dctx == NULL ) { + ext_date_runtime_init(this_ext, renv, NULL, FALSE); + dctx = (struct ext_date_context *) + sieve_message_context_extension_get(renv->msgctx, this_ext); + + i_assert(dctx != NULL); + } + + /* Read script start timestamp from message context */ + + if ( zone_offset_r != NULL ) + *zone_offset_r = dctx->zone_offset; + + return dctx->current_date; +} + +/* + * Date parts + */ + +/* "year" => the year, "0000" .. "9999". + */ + +static const char *ext_date_year_part_get(struct tm *tm, int zone_offset); + +static const struct ext_date_part year_date_part = { + "year", + ext_date_year_part_get +}; + +/* "month" => the month, "01" .. "12". + */ + +static const char *ext_date_month_part_get(struct tm *tm, int zone_offset); + +static const struct ext_date_part month_date_part = { + "month", + ext_date_month_part_get +}; + +/* "day" => the day, "01" .. "31". + */ + +static const char *ext_date_day_part_get(struct tm *tm, int zone_offset); + +static const struct ext_date_part day_date_part = { + "day", + ext_date_day_part_get +}; + +/* "date" => the date in "yyyy-mm-dd" format. + */ + +static const char *ext_date_date_part_get(struct tm *tm, int zone_offset); + +static const struct ext_date_part date_date_part = { + "date", + ext_date_date_part_get +}; + +/* "julian" => the Modified Julian Day, that is, the date + * expressed as an integer number of days since + * 00:00 UTC on November 17, 1858 (using the Gregorian + * calendar). This corresponds to the regular + * Julian Day minus 2400000.5. Sample routines to + * convert to and from modified Julian dates are + * given in Appendix A. + */ + +static const char *ext_date_julian_part_get(struct tm *tm, int zone_offset); + +static const struct ext_date_part julian_date_part = { + "julian", + ext_date_julian_part_get +}; + +/* "hour" => the hour, "00" .. "23". + */ +static const char *ext_date_hour_part_get(struct tm *tm, int zone_offset); + +static const struct ext_date_part hour_date_part = { + "hour", + ext_date_hour_part_get +}; + +/* "minute" => the minute, "00" .. "59". + */ +static const char *ext_date_minute_part_get(struct tm *tm, int zone_offset); + +static const struct ext_date_part minute_date_part = { + "minute", + ext_date_minute_part_get +}; + +/* "second" => the second, "00" .. "60". + */ +static const char *ext_date_second_part_get(struct tm *tm, int zone_offset); + +static const struct ext_date_part second_date_part = { + "second", + ext_date_second_part_get +}; + +/* "time" => the time in "hh:mm:ss" format. + */ +static const char *ext_date_time_part_get(struct tm *tm, int zone_offset); + +static const struct ext_date_part time_date_part = { + "time", + ext_date_time_part_get +}; + +/* "iso8601" => the date and time in restricted ISO 8601 format. + */ +static const char *ext_date_iso8601_part_get(struct tm *tm, int zone_offset); + +static const struct ext_date_part iso8601_date_part = { + "iso8601", + ext_date_iso8601_part_get +}; + +/* "std11" => the date and time in a format appropriate + * for use in a Date: header field [RFC2822]. + */ +static const char *ext_date_std11_part_get(struct tm *tm, int zone_offset); + +static const struct ext_date_part std11_date_part = { + "std11", + ext_date_std11_part_get +}; + +/* "zone" => the time zone in use. If the user specified a + * time zone with ":zone", "zone" will + * contain that value. If :originalzone is specified + * this value will be the original zone specified + * in the date-time value. If neither argument is + * specified the value will be the server's default + * time zone in offset format "+hhmm" or "-hhmm". An + * offset of 0 (Zulu) always has a positive sign. + */ +static const char *ext_date_zone_part_get(struct tm *tm, int zone_offset); + +static const struct ext_date_part zone_date_part = { + "zone", + ext_date_zone_part_get +}; + +/* "weekday" => the day of the week expressed as an integer between + * "0" and "6". "0" is Sunday, "1" is Monday, etc. + */ +static const char *ext_date_weekday_part_get(struct tm *tm, int zone_offset); + +static const struct ext_date_part weekday_date_part = { + "weekday", + ext_date_weekday_part_get +}; + +/* + * Date part extraction + */ + +static const struct ext_date_part *date_parts[] = { + &year_date_part, &month_date_part, &day_date_part, &date_date_part, + &julian_date_part, &hour_date_part, &minute_date_part, &second_date_part, + &time_date_part, &iso8601_date_part, &std11_date_part, &zone_date_part, + &weekday_date_part +}; + +unsigned int date_parts_count = N_ELEMENTS(date_parts); + +const struct ext_date_part *ext_date_part_find(const char *part) +{ + unsigned int i; + + for ( i = 0; i < date_parts_count; i++ ) { + if ( strcasecmp(date_parts[i]->identifier, part) == 0 ) { + return date_parts[i]; + } + } + + return NULL; +} + +const char *ext_date_part_extract +(const struct ext_date_part *dpart, struct tm *tm, int zone_offset) +{ + if ( dpart == NULL || dpart->get_string == NULL ) + return NULL; + + return dpart->get_string(tm, zone_offset); +} + +/* + * Date part implementations + */ + +static const char *month_names[] = { + "Jan", "Feb", "Mar", "Apr", "May", "Jun", + "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" +}; + +static const char *weekday_names[] = { + "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" +}; + +static const char *ext_date_year_part_get +(struct tm *tm, int zone_offset ATTR_UNUSED) +{ + return t_strdup_printf("%04d", tm->tm_year + 1900); +} + +static const char *ext_date_month_part_get +(struct tm *tm, int zone_offset ATTR_UNUSED) +{ + return t_strdup_printf("%02d", tm->tm_mon + 1); +} + +static const char *ext_date_day_part_get +(struct tm *tm, int zone_offset ATTR_UNUSED) +{ + return t_strdup_printf("%02d", tm->tm_mday); +} + +static const char *ext_date_date_part_get +(struct tm *tm, int zone_offset ATTR_UNUSED) +{ + return t_strdup_printf("%04d-%02d-%02d", + tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday); +} + +static const char *ext_date_julian_part_get +(struct tm *tm, int zone_offset ATTR_UNUSED) +{ + int year = tm->tm_year+1900; + int month = tm->tm_mon+1; + int day = tm->tm_mday; + int c, ya, jd; + + /* Modified from RFC 5260 Appendix A (refer to Errata) */ + + if ( month > 2 ) + month -= 3; + else { + month += 9; + year--; + } + + c = year / 100; + ya = year - c * 100; + + jd = c * 146097 / 4 + ya * 1461 / 4 + (month * 153 + 2) / 5 + day + 1721119; + + return t_strdup_printf("%d", jd - 2400001); +} + +static const char *ext_date_hour_part_get +(struct tm *tm, int zone_offset ATTR_UNUSED) +{ + return t_strdup_printf("%02d", tm->tm_hour); +} + +static const char *ext_date_minute_part_get +(struct tm *tm, int zone_offset ATTR_UNUSED) +{ + return t_strdup_printf("%02d", tm->tm_min); +} + +static const char *ext_date_second_part_get +(struct tm *tm, int zone_offset ATTR_UNUSED) +{ + return t_strdup_printf("%02d", tm->tm_sec); +} + +static const char *ext_date_time_part_get +(struct tm *tm, int zone_offset ATTR_UNUSED) +{ + return t_strdup_printf("%02d:%02d:%02d", tm->tm_hour, tm->tm_min, tm->tm_sec); +} + +static const char *ext_date_iso8601_part_get +(struct tm *tm, int zone_offset) +{ + /* From RFC: `The restricted ISO 8601 format is specified by the date-time + * ABNF production given in [RFC3339], Section 5.6, with the added + * restrictions that the letters "T" and "Z" MUST be in upper case, and + * a time zone offset of zero MUST be represented by "Z" and not "+00:00". + */ + if ( zone_offset == 0 ) + zone_offset = INT_MAX; + + return iso8601_date_create_tm(tm, zone_offset); +} + + +static const char *ext_date_std11_part_get +(struct tm *tm, int zone_offset) +{ + return t_strdup_printf("%s, %02d %s %04d %02d:%02d:%02d %s", + weekday_names[tm->tm_wday], + tm->tm_mday, + month_names[tm->tm_mon], + tm->tm_year+1900, + tm->tm_hour, tm->tm_min, tm->tm_sec, + ext_date_zone_part_get(tm, zone_offset)); +} + +static const char *ext_date_zone_part_get +(struct tm *tm ATTR_UNUSED, int zone_offset) +{ + bool negative; + int offset = zone_offset; + + if (zone_offset >= 0) + negative = FALSE; + else { + negative = TRUE; + offset = -offset; + } + + return t_strdup_printf + ("%c%02d%02d", negative ? '-' : '+', offset / 60, offset % 60); +} + +static const char *ext_date_weekday_part_get +(struct tm *tm, int zone_offset ATTR_UNUSED) +{ + return t_strdup_printf("%d", tm->tm_wday); +} + +/* + * Date stringlist + */ + +/* Forward declarations */ + +static int ext_date_stringlist_next_item + (struct sieve_stringlist *_strlist, string_t **str_r); +static void ext_date_stringlist_reset + (struct sieve_stringlist *_strlist); + +/* Stringlist object */ + +struct ext_date_stringlist { + struct sieve_stringlist strlist; + + struct sieve_stringlist *field_values; + int time_zone; + const struct ext_date_part *date_part; + + time_t local_time; + int local_zone; + + bool read:1; +}; + +struct sieve_stringlist *ext_date_stringlist_create +(const struct sieve_runtime_env *renv, struct sieve_stringlist *field_values, + int time_zone, const struct ext_date_part *dpart) +{ + struct ext_date_stringlist *strlist; + + strlist = t_new(struct ext_date_stringlist, 1); + strlist->strlist.runenv = renv; + strlist->strlist.exec_status = SIEVE_EXEC_OK; + strlist->strlist.next_item = ext_date_stringlist_next_item; + strlist->strlist.reset = ext_date_stringlist_reset; + strlist->field_values = field_values; + strlist->time_zone = time_zone; + strlist->date_part = dpart; + + strlist->local_time = ext_date_get_current_date(renv, &strlist->local_zone); + + return &strlist->strlist; +} + +/* Stringlist implementation */ + +static int ext_date_stringlist_next_item +(struct sieve_stringlist *_strlist, string_t **str_r) +{ + struct ext_date_stringlist *strlist = + (struct ext_date_stringlist *) _strlist; + bool got_date = FALSE; + time_t date_value; + const char *part_value = NULL; + int original_zone; + + /* Check whether the item was already read */ + if ( strlist->read ) return 0; + + if ( strlist->field_values != NULL ) { + string_t *hdr_item; + const char *header_value, *date_string; + int ret; + + /* Use header field value */ + + /* Read first */ + if ( (ret=sieve_stringlist_next_item(strlist->field_values, &hdr_item)) + <= 0 ) + return ret; + + /* Extract the date string value */ + + header_value = str_c(hdr_item); + date_string = strrchr(header_value, ';'); + + if ( date_string == NULL ) { + /* Direct header value */ + date_string = header_value; + } else { + /* Delimited by ';', e.g. a Received: header */ + date_string++; + } + + /* Parse the date value */ + if ( message_date_parse((const unsigned char *) date_string, + strlen(date_string), &date_value, &original_zone) ) { + got_date = TRUE; + } + } else { + /* Use time stamp recorded at the time the script first started */ + date_value = strlist->local_time; + original_zone = strlist->local_zone; + got_date = TRUE; + } + + if ( got_date ) { + int wanted_zone; + struct tm *date_tm; + + /* Apply wanted timezone */ + + switch ( strlist->time_zone ) { + case EXT_DATE_TIMEZONE_LOCAL: + wanted_zone = strlist->local_zone; + break; + case EXT_DATE_TIMEZONE_ORIGINAL: + wanted_zone = original_zone; + break; + default: + wanted_zone = strlist->time_zone; + } + + date_value += wanted_zone * 60; + + /* Convert timestamp to struct tm */ + + if ( (date_tm=gmtime(&date_value)) != NULL ) { + /* Extract the date part */ + part_value = ext_date_part_extract + (strlist->date_part, date_tm, wanted_zone); + } + } + + strlist->read = TRUE; + + if ( part_value == NULL ) + return 0; + + *str_r = t_str_new_const(part_value, strlen(part_value)); + return 1; +} + +static void ext_date_stringlist_reset +(struct sieve_stringlist *_strlist) +{ + struct ext_date_stringlist *strlist = + (struct ext_date_stringlist *) _strlist; + + if ( strlist->field_values != NULL ) + sieve_stringlist_reset(strlist->field_values); + strlist->read = FALSE; +} diff --git a/pigeonhole/src/lib-sieve/plugins/date/ext-date-common.h b/pigeonhole/src/lib-sieve/plugins/date/ext-date-common.h new file mode 100644 index 0000000..116af3e --- /dev/null +++ b/pigeonhole/src/lib-sieve/plugins/date/ext-date-common.h @@ -0,0 +1,80 @@ +#ifndef EXT_DATE_COMMON_H +#define EXT_DATE_COMMON_H + +#include "sieve-common.h" + +#include <time.h> + +/* + * Extension + */ + +extern const struct sieve_extension_def date_extension; + +bool ext_date_interpreter_load + (const struct sieve_extension *ext, const struct sieve_runtime_env *renv, + sieve_size_t *address ATTR_UNUSED); + +/* + * Tests + */ + +extern const struct sieve_command_def date_test; +extern const struct sieve_command_def currentdate_test; + +/* + * Operations + */ + +enum ext_date_opcode { + EXT_DATE_OPERATION_DATE, + EXT_DATE_OPERATION_CURRENTDATE +}; + +extern const struct sieve_operation_def date_operation; +extern const struct sieve_operation_def currentdate_operation; + +/* + * Zone string + */ + +bool ext_date_parse_timezone(const char *zone, int *zone_offset_r); + +/* + * Current date + */ + +time_t ext_date_get_current_date + (const struct sieve_runtime_env *renv, int *zone_offset_r); + +/* + * Date part + */ + +struct ext_date_part { + const char *identifier; + + const char *(*get_string)(struct tm *tm, int zone_offset); +}; + +const struct ext_date_part *ext_date_part_find(const char *part); + +const char *ext_date_part_extract + (const struct ext_date_part *dpart, struct tm *tm, int zone_offset); + +/* + * Date stringlist + */ + +enum ext_date_timezone_special { + EXT_DATE_TIMEZONE_LOCAL = 100, + EXT_DATE_TIMEZONE_ORIGINAL = 101 +}; + +struct sieve_stringlist *ext_date_stringlist_create +(const struct sieve_runtime_env *renv, struct sieve_stringlist *field_values, + int time_zone, const struct ext_date_part *dpart); + + + +#endif diff --git a/pigeonhole/src/lib-sieve/plugins/date/ext-date.c b/pigeonhole/src/lib-sieve/plugins/date/ext-date.c new file mode 100644 index 0000000..3880d82 --- /dev/null +++ b/pigeonhole/src/lib-sieve/plugins/date/ext-date.c @@ -0,0 +1,62 @@ +/* Copyright (c) 2002-2018 Pigeonhole authors, see the included COPYING file + */ + +/* Extension date + * ------------------ + * + * Authors: Stephan Bosch + * Specification: RFC 5260 + * Implementation: full + * Status: testing + * + */ + +#include "lib.h" +#include "array.h" + +#include "sieve-common.h" + +#include "sieve-extensions.h" +#include "sieve-commands.h" +#include "sieve-comparators.h" +#include "sieve-match-types.h" +#include "sieve-address-parts.h" + +#include "sieve-validator.h" +#include "sieve-generator.h" +#include "sieve-binary.h" +#include "sieve-interpreter.h" +#include "sieve-dump.h" + +#include "ext-date-common.h" + +/* + * Extension + */ + +static bool ext_date_validator_load +(const struct sieve_extension *ext, struct sieve_validator *validator); + +const struct sieve_operation_def *ext_date_operations[] = { + &date_operation, + ¤tdate_operation +}; + +const struct sieve_extension_def date_extension = { + .name = "date", + .validator_load = ext_date_validator_load, + .interpreter_load = ext_date_interpreter_load, + SIEVE_EXT_DEFINE_OPERATIONS(ext_date_operations) +}; + +static bool ext_date_validator_load +(const struct sieve_extension *ext, struct sieve_validator *valdtr) +{ + /* Register new test */ + sieve_validator_register_command(valdtr, ext, &date_test); + sieve_validator_register_command(valdtr, ext, ¤tdate_test); + + return TRUE; +} + + diff --git a/pigeonhole/src/lib-sieve/plugins/date/tst-date.c b/pigeonhole/src/lib-sieve/plugins/date/tst-date.c new file mode 100644 index 0000000..60ee92c --- /dev/null +++ b/pigeonhole/src/lib-sieve/plugins/date/tst-date.c @@ -0,0 +1,496 @@ +/* Copyright (c) 2002-2018 Pigeonhole authors, see the included COPYING file + */ + +#include "lib.h" +#include "str-sanitize.h" + +#include "sieve-common.h" +#include "sieve-commands.h" +#include "sieve-code.h" +#include "sieve-comparators.h" +#include "sieve-match-types.h" +#include "sieve-address-parts.h" +#include "sieve-message.h" +#include "sieve-validator.h" +#include "sieve-generator.h" +#include "sieve-interpreter.h" +#include "sieve-dump.h" +#include "sieve-match.h" + +#include "ext-date-common.h" + +#include <time.h> + +/* + * Tests + */ + +static bool tst_date_validate + (struct sieve_validator *valdtr, struct sieve_command *tst); +static bool tst_date_generate + (const struct sieve_codegen_env *cgenv, struct sieve_command *ctx); + +/* Date test + * + * Syntax: + * date [<":zone" <time-zone: string>> / ":originalzone"] + * [COMPARATOR] [MATCH-TYPE] <header-name: string> + * <date-part: string> <key-list: string-list> + */ + +static bool tst_date_registered + (struct sieve_validator *valdtr, const struct sieve_extension *ext, + struct sieve_command_registration *cmd_reg); + +const struct sieve_command_def date_test = { + .identifier = "date", + .type = SCT_TEST, + .positional_args = 3, + .subtests = 0, + .block_allowed = FALSE, + .block_required = FALSE, + .registered = tst_date_registered, + .validate = tst_date_validate, + .generate = tst_date_generate +}; + +/* Currentdate test + * + * Syntax: + * currentdate [":zone" <time-zone: string>] + * [COMPARATOR] [MATCH-TYPE] + * <date-part: string> <key-list: string-list> + */ + +static bool tst_currentdate_registered + (struct sieve_validator *valdtr, const struct sieve_extension *ext, + struct sieve_command_registration *cmd_reg); + +const struct sieve_command_def currentdate_test = { + .identifier = "currentdate", + .type = SCT_TEST, + .positional_args = 2, + .subtests = 0, + .block_allowed = FALSE, + .block_required = FALSE, + .registered = tst_currentdate_registered, + .validate = tst_date_validate, + .generate = tst_date_generate +}; + +/* + * Tagged arguments + */ + +/* Forward declarations */ + +static bool tag_zone_validate + (struct sieve_validator *valdtr, struct sieve_ast_argument **arg, + struct sieve_command *cmd); +static bool tag_zone_generate + (const struct sieve_codegen_env *cgenv, struct sieve_ast_argument *arg, + struct sieve_command *cmd); + +/* Argument objects */ + +static const struct sieve_argument_def date_zone_tag = { + .identifier = "zone", + .validate = tag_zone_validate, + .generate = tag_zone_generate +}; + +static const struct sieve_argument_def date_originalzone_tag = { + .identifier = "originalzone", + .validate = tag_zone_validate, + .generate = tag_zone_generate +}; + +/* + * Date operation + */ + +static bool tst_date_operation_dump + (const struct sieve_dumptime_env *denv, sieve_size_t *address); +static int tst_date_operation_execute + (const struct sieve_runtime_env *renv, sieve_size_t *address); + +const struct sieve_operation_def date_operation = { + .mnemonic = "DATE", + .ext_def = &date_extension, + .code = EXT_DATE_OPERATION_DATE, + .dump = tst_date_operation_dump, + .execute = tst_date_operation_execute +}; + +const struct sieve_operation_def currentdate_operation = { + .mnemonic = "CURRENTDATE", + .ext_def = &date_extension, + .code = EXT_DATE_OPERATION_CURRENTDATE, + .dump = tst_date_operation_dump, + .execute = tst_date_operation_execute +}; + +/* + * Optional operands + */ + +enum tst_date_optional { + OPT_DATE_ZONE = SIEVE_AM_OPT_LAST, + OPT_DATE_LAST +}; + +/* + * Tag implementation + */ + +static bool tag_zone_validate +(struct sieve_validator *valdtr, struct sieve_ast_argument **arg, + struct sieve_command *cmd) +{ + struct sieve_ast_argument *tag = *arg; + + if ( (bool) cmd->data ) { + if ( sieve_command_is(cmd, date_test) ) { + sieve_argument_validate_error(valdtr, *arg, + "multiple :zone or :originalzone arguments specified for " + "the currentdate test"); + } else { + sieve_argument_validate_error(valdtr, *arg, + "multiple :zone arguments specified for the currentdate test"); + } + return FALSE; + } + + /* Skip tag */ + *arg = sieve_ast_argument_next(*arg); + + /* :content tag has a string-list argument */ + if ( sieve_argument_is(tag, date_zone_tag) ) { + + /* Check syntax: + * :zone <time-zone: string> + */ + if ( !sieve_validate_tag_parameter + (valdtr, cmd, tag, *arg, NULL, 0, SAAT_STRING, FALSE) ) { + return FALSE; + } + + /* Check it */ + if ( sieve_argument_is_string_literal(*arg) ) { + const char *zone = sieve_ast_argument_strc(*arg); + + if ( !ext_date_parse_timezone(zone, NULL) ) { + sieve_argument_validate_warning(valdtr, *arg, + "specified :zone argument '%s' is not a valid timezone", + str_sanitize(zone, 40)); + } + } + + /* Assign tag parameters */ + tag->parameters = *arg; + *arg = sieve_ast_arguments_detach(*arg,1); + } + + cmd->data = (void *) TRUE; + + return TRUE; +} + +/* + * Test registration + */ + +static bool tst_date_registered +(struct sieve_validator *valdtr, const struct sieve_extension *ext, + struct sieve_command_registration *cmd_reg) +{ + sieve_comparators_link_tag(valdtr, cmd_reg, SIEVE_MATCH_OPT_COMPARATOR); + sieve_match_types_link_tags(valdtr, cmd_reg, SIEVE_MATCH_OPT_MATCH_TYPE); + + sieve_validator_register_tag + (valdtr, cmd_reg, ext, &date_zone_tag, OPT_DATE_ZONE); + sieve_validator_register_tag + (valdtr, cmd_reg, ext, &date_originalzone_tag, OPT_DATE_ZONE); + + return TRUE; +} + +static bool tst_currentdate_registered +(struct sieve_validator *valdtr, const struct sieve_extension *ext, + struct sieve_command_registration *cmd_reg) +{ + sieve_comparators_link_tag(valdtr, cmd_reg, SIEVE_MATCH_OPT_COMPARATOR); + sieve_match_types_link_tags(valdtr, cmd_reg, SIEVE_MATCH_OPT_MATCH_TYPE); + + sieve_validator_register_tag + (valdtr, cmd_reg, ext, &date_zone_tag, OPT_DATE_ZONE); + + return TRUE; +} + +/* + * Validation + */ + +static bool tst_date_validate +(struct sieve_validator *valdtr, struct sieve_command *tst) +{ + struct sieve_ast_argument *arg = tst->first_positional; + unsigned int arg_offset = 0 ; + const struct sieve_match_type mcht_default = + SIEVE_MATCH_TYPE_DEFAULT(is_match_type); + const struct sieve_comparator cmp_default = + SIEVE_COMPARATOR_DEFAULT(i_ascii_casemap_comparator); + + /* Check header name */ + + if ( sieve_command_is(tst, date_test) ) { + arg_offset = 1; + + if ( !sieve_validate_positional_argument + (valdtr, tst, arg, "header name", 1, SAAT_STRING) ) { + return FALSE; + } + + if ( !sieve_validator_argument_activate(valdtr, tst, arg, FALSE) ) + return FALSE; + + if ( !sieve_command_verify_headers_argument(valdtr, arg) ) + return FALSE; + + arg = sieve_ast_argument_next(arg); + } + + /* Check date part */ + + if ( !sieve_validate_positional_argument + (valdtr, tst, arg, "date part", arg_offset + 1, SAAT_STRING) ) { + return FALSE; + } + + if ( !sieve_validator_argument_activate(valdtr, tst, arg, FALSE) ) + return FALSE; + + if ( sieve_argument_is_string_literal(arg) ) { + const char * part = sieve_ast_argument_strc(arg); + + if ( ext_date_part_find(part) == NULL ) { + sieve_argument_validate_warning + (valdtr, arg, "specified date part `%s' is not known", + str_sanitize(part, 80)); + } + } + + arg = sieve_ast_argument_next(arg); + + /* Check key list */ + + if ( !sieve_validate_positional_argument + (valdtr, tst, arg, "key list", arg_offset + 2, SAAT_STRING_LIST) ) { + return FALSE; + } + + if ( !sieve_validator_argument_activate(valdtr, tst, arg, FALSE) ) + return FALSE; + + /* Validate the key argument to a specified match type */ + return sieve_match_type_validate + (valdtr, tst, arg, &mcht_default, &cmp_default); +} + +/* + * Code generation + */ + +static bool tst_date_generate +(const struct sieve_codegen_env *cgenv, struct sieve_command *tst) +{ + if ( sieve_command_is(tst, date_test) ) + sieve_operation_emit(cgenv->sblock, tst->ext, &date_operation); + else if ( sieve_command_is(tst, currentdate_test) ) + sieve_operation_emit(cgenv->sblock, tst->ext, ¤tdate_operation); + else + i_unreached(); + + /* Generate arguments */ + return sieve_generate_arguments(cgenv, tst, NULL); +} + +static bool tag_zone_generate +(const struct sieve_codegen_env *cgenv, struct sieve_ast_argument *arg, + struct sieve_command *cmd) +{ + if ( arg->parameters == NULL ) { + sieve_opr_omitted_emit(cgenv->sblock); + return TRUE; + } + + return sieve_generate_argument_parameters(cgenv, cmd, arg); +} + +/* + * Code dump + */ + +static bool tst_date_operation_dump +(const struct sieve_dumptime_env *denv, sieve_size_t *address) +{ + int opt_code = 0; + const struct sieve_operation *op = denv->oprtn; + + sieve_code_dumpf(denv, "%s", sieve_operation_mnemonic(op)); + sieve_code_descend(denv); + + /* Handle any optional arguments */ + for (;;) { + int opt; + + if ( (opt=sieve_message_opr_optional_dump(denv, address, &opt_code)) < 0 ) + return FALSE; + + if ( opt == 0 ) break; + + switch ( opt_code ) { + case OPT_DATE_ZONE: + if ( !sieve_opr_string_dump_ex(denv, address, "zone", "ORIGINAL") ) + return FALSE; + break; + default: + return FALSE; + } + } + + if ( sieve_operation_is(op, date_operation) && + !sieve_opr_string_dump(denv, address, "header name") ) + return FALSE; + + return + sieve_opr_string_dump(denv, address, "date part") && + sieve_opr_stringlist_dump(denv, address, "key list"); +} + + +/* + * Code execution + */ + +static int tst_date_operation_execute +(const struct sieve_runtime_env *renv, sieve_size_t *address) +{ + const struct sieve_operation *op = renv->oprtn; + int opt_code = 0; + struct sieve_match_type mcht = + SIEVE_MATCH_TYPE_DEFAULT(is_match_type); + struct sieve_comparator cmp = + SIEVE_COMPARATOR_DEFAULT(i_ascii_casemap_comparator); + ARRAY_TYPE(sieve_message_override) svmos; + string_t *date_part = NULL, *zone = NULL; + struct sieve_stringlist *hdr_list = NULL, *hdr_value_list; + struct sieve_stringlist *value_list, *key_list; + bool zone_specified = FALSE, zone_literal = TRUE; + const struct ext_date_part *dpart; + int time_zone; + int match, ret; + + /* Read optional operands */ + for (;;) { + int opt; + + /* Optional operands */ + i_zero(&svmos); + if ( (opt=sieve_message_opr_optional_read + (renv, address, &opt_code, &ret, NULL, &mcht, &cmp, &svmos)) < 0 ) + return ret; + + if ( opt == 0 ) break; + + switch ( opt_code ) { + case OPT_DATE_ZONE: + if ( (ret=sieve_opr_string_read_ex + (renv, address, "zone", TRUE, &zone, &zone_literal)) <= 0 ) + return ret; + + zone_specified = TRUE; + break; + default: + sieve_runtime_trace_error(renv, "unknown optional operand"); + return SIEVE_EXEC_BIN_CORRUPT; + } + } + + if ( sieve_operation_is(op, date_operation) ) { + /* Read header name as stringlist */ + if ( (ret=sieve_opr_stringlist_read + (renv, address, "header-name", &hdr_list)) <= 0 ) + return ret; + } + + /* Read date part */ + if ( (ret=sieve_opr_string_read(renv, address, "date-part", &date_part)) + <= 0 ) + return ret; + + /* Read key-list */ + if ( (ret=sieve_opr_stringlist_read(renv, address, "key-list", &key_list)) + <= 0 ) + return ret; + + /* Determine what time zone to use in the result */ + if ( !zone_specified ) { + time_zone = EXT_DATE_TIMEZONE_LOCAL; + } else if ( zone == NULL ) { + time_zone = EXT_DATE_TIMEZONE_ORIGINAL; + } else if ( !ext_date_parse_timezone(str_c(zone), &time_zone) ) { + if ( !zone_literal ) + sieve_runtime_warning(renv, NULL, + "specified :zone argument `%s' is not a valid timezone " + "(using local zone)", str_sanitize(str_c(zone), 40)); + time_zone = EXT_DATE_TIMEZONE_LOCAL; + } + + if ( (dpart=ext_date_part_find(str_c(date_part))) == NULL ) { + sieve_runtime_warning(renv, NULL, + "specified date part argument `%s' is not known", + str_sanitize(str_c(date_part), 40)); + sieve_interpreter_set_test_result(renv->interp, FALSE); + return SIEVE_EXEC_OK; + } + + /* + * Perform test + */ + + if ( sieve_operation_is(op, date_operation) ) { + + sieve_runtime_trace(renv, SIEVE_TRLVL_TESTS, "date test"); + + /* Get header */ + sieve_runtime_trace_descend(renv); + if ( (ret=sieve_message_get_header_fields + (renv, hdr_list, &svmos, FALSE, &hdr_value_list)) <= 0 ) + return ret; + sieve_runtime_trace_ascend(renv); + + /* Create value stringlist */ + value_list = ext_date_stringlist_create + (renv, hdr_value_list, time_zone, dpart); + + } else if ( sieve_operation_is(op, currentdate_operation) ) { + /* Use time stamp recorded at the time the script first started */ + + sieve_runtime_trace(renv, SIEVE_TRLVL_TESTS, "currentdatedate test"); + + /* Create value stringlist */ + value_list = ext_date_stringlist_create(renv, NULL, time_zone, dpart); + } else { + i_unreached(); + } + + /* Perform match */ + if ( (match=sieve_match(renv, &mcht, &cmp, value_list, key_list, &ret)) < 0 ) + return ret; + + /* Set test result for subsequent conditional jump */ + sieve_interpreter_set_test_result(renv->interp, match > 0); + return SIEVE_EXEC_OK; +} |