From: Tom Yu Date: Thu, 29 Sep 1994 04:39:35 +0000 (+0000) Subject: not quite first cut "safety" checkin X-Git-Tag: krb5-1.0-beta4.3~78 X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=35d701a1e0d20fcb008182d7e0c2861f102cd279;p=krb5.git not quite first cut "safety" checkin git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@4374 dc483132-0cff-0310-8789-dd5450dbe970 --- diff --git a/src/kadmin.new/client/getdate.y b/src/kadmin.new/client/getdate.y new file mode 100644 index 000000000..d010cb6e0 --- /dev/null +++ b/src/kadmin.new/client/getdate.y @@ -0,0 +1,889 @@ +%{ +/* 1.8 +** @(#)getdate.y 1.8 92/03/03 +** +** Originally written by Steven M. Bellovin while +** at the University of North Carolina at Chapel Hill. Later tweaked by +** a couple of people on Usenet. Completely overhauled by Rich $alz +** and Jim Berets in August, 1990; +** send any email to Rich. +** +** This grammar has eight shift/reduce conflicts. +** +** This code is in the public domain and has no copyright. +*/ +/* SUPPRESS 287 on yaccpar_sccsid *//* Unused static variable */ +/* SUPPRESS 288 on yyerrlab *//* Label unused */ + +#include "system.h" +#include + +#if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__) +#ifdef __GNUC__ +#undef alloca /* might get redefined below */ +#endif +#endif + +extern struct tm *localtime(); + +#define yyparse getdate_yyparse +#define yylex getdate_yylex +#define yyerror getdate_yyerror + +#if !defined(lint) && !defined(SABER) +static char RCS[] = "@(#)getdate.y 1.8 92/03/03"; +#endif /* !defined(lint) && !defined(SABER) */ + + +#define EPOCH 1970 +#define HOUR(x) ((time_t)(x) * 60) +#define SECSPERDAY (24L * 60L * 60L) + + +/* +** An entry in the lexical lookup table. +*/ +typedef struct _TABLE { + char *name; + int type; + time_t value; +} TABLE; + + +/* +** Daylight-savings mode: on, off, or not yet known. +*/ +typedef enum _DSTMODE { + DSTon, DSToff, DSTmaybe +} DSTMODE; + +/* +** Meridian: am, pm, or 24-hour style. +*/ +typedef enum _MERIDIAN { + MERam, MERpm, MER24 +} MERIDIAN; + + +/* +** Global variables. We could get rid of most of these by using a good +** union as the yacc stack. (This routine was originally written before +** yacc had the %union construct.) Maybe someday; right now we only use +** the %union very rarely. +*/ +static char *yyInput; +static DSTMODE yyDSTmode; +static time_t yyDayOrdinal; +static time_t yyDayNumber; +static int yyHaveDate; +static int yyHaveDay; +static int yyHaveRel; +static int yyHaveTime; +static int yyHaveZone; +static time_t yyTimezone; +static time_t yyDay; +static time_t yyHour; +static time_t yyMinutes; +static time_t yyMonth; +static time_t yySeconds; +static time_t yyYear; +static MERIDIAN yyMeridian; +static time_t yyRelMonth; +static time_t yyRelSeconds; + +%} + +%union { + time_t Number; + enum _MERIDIAN Meridian; +} + +%token tAGO tDAY tDAYZONE tID tMERIDIAN tMINUTE_UNIT tMONTH tMONTH_UNIT +%token tSEC_UNIT tSNUMBER tUNUMBER tZONE tDST + +%type tDAY tDAYZONE tMINUTE_UNIT tMONTH tMONTH_UNIT +%type tSEC_UNIT tSNUMBER tUNUMBER tZONE +%type tMERIDIAN o_merid + +%% + +spec : /* NULL */ + | spec item + ; + +item : time { + yyHaveTime++; + } + | zone { + yyHaveZone++; + } + | date { + yyHaveDate++; + } + | day { + yyHaveDay++; + } + | rel { + yyHaveRel++; + } + | number + ; + +time : tUNUMBER tMERIDIAN { + yyHour = $1; + yyMinutes = 0; + yySeconds = 0; + yyMeridian = $2; + } + | tUNUMBER ':' tUNUMBER o_merid { + yyHour = $1; + yyMinutes = $3; + yySeconds = 0; + yyMeridian = $4; + } + | tUNUMBER ':' tUNUMBER tSNUMBER { + yyHour = $1; + yyMinutes = $3; + yyMeridian = MER24; + yyDSTmode = DSToff; + yyTimezone = - ($4 % 100 + ($4 / 100) * 60); + } + | tUNUMBER ':' tUNUMBER ':' tUNUMBER o_merid { + yyHour = $1; + yyMinutes = $3; + yySeconds = $5; + yyMeridian = $6; + } + | tUNUMBER ':' tUNUMBER ':' tUNUMBER tSNUMBER { + yyHour = $1; + yyMinutes = $3; + yySeconds = $5; + yyMeridian = MER24; + yyDSTmode = DSToff; + yyTimezone = - ($6 % 100 + ($6 / 100) * 60); + } + ; + +zone : tZONE { + yyTimezone = $1; + yyDSTmode = DSToff; + } + | tDAYZONE { + yyTimezone = $1; + yyDSTmode = DSTon; + } + | + tZONE tDST { + yyTimezone = $1; + yyDSTmode = DSTon; + } + ; + +day : tDAY { + yyDayOrdinal = 1; + yyDayNumber = $1; + } + | tDAY ',' { + yyDayOrdinal = 1; + yyDayNumber = $1; + } + | tUNUMBER tDAY { + yyDayOrdinal = $1; + yyDayNumber = $2; + } + ; + +date : tUNUMBER '/' tUNUMBER { + yyMonth = $1; + yyDay = $3; + } + | tUNUMBER '/' tUNUMBER '/' tUNUMBER { + yyMonth = $1; + yyDay = $3; + yyYear = $5; + } + | tMONTH tUNUMBER { + yyMonth = $1; + yyDay = $2; + } + | tMONTH tUNUMBER ',' tUNUMBER { + yyMonth = $1; + yyDay = $2; + yyYear = $4; + } + | tUNUMBER tMONTH { + yyMonth = $2; + yyDay = $1; + } + | tUNUMBER tMONTH tUNUMBER { + yyMonth = $2; + yyDay = $1; + yyYear = $3; + } + ; + +rel : relunit tAGO { + yyRelSeconds = -yyRelSeconds; + yyRelMonth = -yyRelMonth; + } + | relunit + ; + +relunit : tUNUMBER tMINUTE_UNIT { + yyRelSeconds += $1 * $2 * 60L; + } + | tSNUMBER tMINUTE_UNIT { + yyRelSeconds += $1 * $2 * 60L; + } + | tMINUTE_UNIT { + yyRelSeconds += $1 * 60L; + } + | tSNUMBER tSEC_UNIT { + yyRelSeconds += $1; + } + | tUNUMBER tSEC_UNIT { + yyRelSeconds += $1; + } + | tSEC_UNIT { + yyRelSeconds++; + } + | tSNUMBER tMONTH_UNIT { + yyRelMonth += $1 * $2; + } + | tUNUMBER tMONTH_UNIT { + yyRelMonth += $1 * $2; + } + | tMONTH_UNIT { + yyRelMonth += $1; + } + ; + +number : tUNUMBER { + if (yyHaveTime && yyHaveDate && !yyHaveRel) + yyYear = $1; + else { + if($1>10000) { + time_t date_part; + + date_part= $1/10000; + yyHaveDate++; + yyDay= (date_part)%100; + yyMonth= (date_part/100)%100; + yyYear = date_part/10000; + } + yyHaveTime++; + if ($1 < 100) { + yyHour = $1; + yyMinutes = 0; + } + else { + yyHour = $1 / 100; + yyMinutes = $1 % 100; + } + yySeconds = 0; + yyMeridian = MER24; + } + } + ; + +o_merid : /* NULL */ { + $$ = MER24; + } + | tMERIDIAN { + $$ = $1; + } + ; + +%% + +/* Month and day table. */ +static TABLE MonthDayTable[] = { + { "january", tMONTH, 1 }, + { "february", tMONTH, 2 }, + { "march", tMONTH, 3 }, + { "april", tMONTH, 4 }, + { "may", tMONTH, 5 }, + { "june", tMONTH, 6 }, + { "july", tMONTH, 7 }, + { "august", tMONTH, 8 }, + { "september", tMONTH, 9 }, + { "sept", tMONTH, 9 }, + { "october", tMONTH, 10 }, + { "november", tMONTH, 11 }, + { "december", tMONTH, 12 }, + { "sunday", tDAY, 0 }, + { "monday", tDAY, 1 }, + { "tuesday", tDAY, 2 }, + { "tues", tDAY, 2 }, + { "wednesday", tDAY, 3 }, + { "wednes", tDAY, 3 }, + { "thursday", tDAY, 4 }, + { "thur", tDAY, 4 }, + { "thurs", tDAY, 4 }, + { "friday", tDAY, 5 }, + { "saturday", tDAY, 6 }, + { NULL } +}; + +/* Time units table. */ +static TABLE UnitsTable[] = { + { "year", tMONTH_UNIT, 12 }, + { "month", tMONTH_UNIT, 1 }, + { "fortnight", tMINUTE_UNIT, 14 * 24 * 60 }, + { "week", tMINUTE_UNIT, 7 * 24 * 60 }, + { "day", tMINUTE_UNIT, 1 * 24 * 60 }, + { "hour", tMINUTE_UNIT, 60 }, + { "minute", tMINUTE_UNIT, 1 }, + { "min", tMINUTE_UNIT, 1 }, + { "second", tSEC_UNIT, 1 }, + { "sec", tSEC_UNIT, 1 }, + { NULL } +}; + +/* Assorted relative-time words. */ +static TABLE OtherTable[] = { + { "tomorrow", tMINUTE_UNIT, 1 * 24 * 60 }, + { "yesterday", tMINUTE_UNIT, -1 * 24 * 60 }, + { "today", tMINUTE_UNIT, 0 }, + { "now", tMINUTE_UNIT, 0 }, + { "last", tUNUMBER, -1 }, + { "this", tMINUTE_UNIT, 0 }, + { "next", tUNUMBER, 2 }, + { "first", tUNUMBER, 1 }, +/* { "second", tUNUMBER, 2 }, */ + { "third", tUNUMBER, 3 }, + { "fourth", tUNUMBER, 4 }, + { "fifth", tUNUMBER, 5 }, + { "sixth", tUNUMBER, 6 }, + { "seventh", tUNUMBER, 7 }, + { "eighth", tUNUMBER, 8 }, + { "ninth", tUNUMBER, 9 }, + { "tenth", tUNUMBER, 10 }, + { "eleventh", tUNUMBER, 11 }, + { "twelfth", tUNUMBER, 12 }, + { "ago", tAGO, 1 }, + { NULL } +}; + +/* The timezone table. */ +/* Some of these are commented out because a time_t can't store a float. */ +static TABLE TimezoneTable[] = { + { "gmt", tZONE, HOUR( 0) }, /* Greenwich Mean */ + { "ut", tZONE, HOUR( 0) }, /* Universal (Coordinated) */ + { "utc", tZONE, HOUR( 0) }, + { "wet", tZONE, HOUR( 0) }, /* Western European */ + { "bst", tDAYZONE, HOUR( 0) }, /* British Summer */ + { "wat", tZONE, HOUR( 1) }, /* West Africa */ + { "at", tZONE, HOUR( 2) }, /* Azores */ +#if 0 + /* For completeness. BST is also British Summer, and GST is + * also Guam Standard. */ + { "bst", tZONE, HOUR( 3) }, /* Brazil Standard */ + { "gst", tZONE, HOUR( 3) }, /* Greenland Standard */ +#endif +#if 0 + { "nft", tZONE, HOUR(3.5) }, /* Newfoundland */ + { "nst", tZONE, HOUR(3.5) }, /* Newfoundland Standard */ + { "ndt", tDAYZONE, HOUR(3.5) }, /* Newfoundland Daylight */ +#endif + { "ast", tZONE, HOUR( 4) }, /* Atlantic Standard */ + { "adt", tDAYZONE, HOUR( 4) }, /* Atlantic Daylight */ + { "est", tZONE, HOUR( 5) }, /* Eastern Standard */ + { "edt", tDAYZONE, HOUR( 5) }, /* Eastern Daylight */ + { "cst", tZONE, HOUR( 6) }, /* Central Standard */ + { "cdt", tDAYZONE, HOUR( 6) }, /* Central Daylight */ + { "mst", tZONE, HOUR( 7) }, /* Mountain Standard */ + { "mdt", tDAYZONE, HOUR( 7) }, /* Mountain Daylight */ + { "pst", tZONE, HOUR( 8) }, /* Pacific Standard */ + { "pdt", tDAYZONE, HOUR( 8) }, /* Pacific Daylight */ + { "yst", tZONE, HOUR( 9) }, /* Yukon Standard */ + { "ydt", tDAYZONE, HOUR( 9) }, /* Yukon Daylight */ + { "hst", tZONE, HOUR(10) }, /* Hawaii Standard */ + { "hdt", tDAYZONE, HOUR(10) }, /* Hawaii Daylight */ + { "cat", tZONE, HOUR(10) }, /* Central Alaska */ + { "ahst", tZONE, HOUR(10) }, /* Alaska-Hawaii Standard */ + { "nt", tZONE, HOUR(11) }, /* Nome */ + { "idlw", tZONE, HOUR(12) }, /* International Date Line West */ + { "cet", tZONE, -HOUR(1) }, /* Central European */ + { "met", tZONE, -HOUR(1) }, /* Middle European */ + { "mewt", tZONE, -HOUR(1) }, /* Middle European Winter */ + { "mest", tDAYZONE, -HOUR(1) }, /* Middle European Summer */ + { "swt", tZONE, -HOUR(1) }, /* Swedish Winter */ + { "sst", tDAYZONE, -HOUR(1) }, /* Swedish Summer */ + { "fwt", tZONE, -HOUR(1) }, /* French Winter */ + { "fst", tDAYZONE, -HOUR(1) }, /* French Summer */ + { "eet", tZONE, -HOUR(2) }, /* Eastern Europe, USSR Zone 1 */ + { "bt", tZONE, -HOUR(3) }, /* Baghdad, USSR Zone 2 */ +#if 0 + { "it", tZONE, -HOUR(3.5) },/* Iran */ +#endif + { "zp4", tZONE, -HOUR(4) }, /* USSR Zone 3 */ + { "zp5", tZONE, -HOUR(5) }, /* USSR Zone 4 */ +#if 0 + { "ist", tZONE, -HOUR(5.5) },/* Indian Standard */ +#endif + { "zp6", tZONE, -HOUR(6) }, /* USSR Zone 5 */ +#if 0 + /* For completeness. NST is also Newfoundland Stanard, and SST is + * also Swedish Summer. */ + { "nst", tZONE, -HOUR(6.5) },/* North Sumatra */ + { "sst", tZONE, -HOUR(7) }, /* South Sumatra, USSR Zone 6 */ +#endif /* 0 */ + { "wast", tZONE, -HOUR(7) }, /* West Australian Standard */ + { "wadt", tDAYZONE, -HOUR(7) }, /* West Australian Daylight */ +#if 0 + { "jt", tZONE, -HOUR(7.5) },/* Java (3pm in Cronusland!) */ +#endif + { "cct", tZONE, -HOUR(8) }, /* China Coast, USSR Zone 7 */ + { "jst", tZONE, -HOUR(9) }, /* Japan Standard, USSR Zone 8 */ +#if 0 + { "cast", tZONE, -HOUR(9.5) },/* Central Australian Standard */ + { "cadt", tDAYZONE, -HOUR(9.5) },/* Central Australian Daylight */ +#endif + { "east", tZONE, -HOUR(10) }, /* Eastern Australian Standard */ + { "eadt", tDAYZONE, -HOUR(10) }, /* Eastern Australian Daylight */ + { "gst", tZONE, -HOUR(10) }, /* Guam Standard, USSR Zone 9 */ + { "nzt", tZONE, -HOUR(12) }, /* New Zealand */ + { "nzst", tZONE, -HOUR(12) }, /* New Zealand Standard */ + { "nzdt", tDAYZONE, -HOUR(12) }, /* New Zealand Daylight */ + { "idle", tZONE, -HOUR(12) }, /* International Date Line East */ + { NULL } +}; + +/* Military timezone table. */ +static TABLE MilitaryTable[] = { + { "a", tZONE, HOUR( 1) }, + { "b", tZONE, HOUR( 2) }, + { "c", tZONE, HOUR( 3) }, + { "d", tZONE, HOUR( 4) }, + { "e", tZONE, HOUR( 5) }, + { "f", tZONE, HOUR( 6) }, + { "g", tZONE, HOUR( 7) }, + { "h", tZONE, HOUR( 8) }, + { "i", tZONE, HOUR( 9) }, + { "k", tZONE, HOUR( 10) }, + { "l", tZONE, HOUR( 11) }, + { "m", tZONE, HOUR( 12) }, + { "n", tZONE, HOUR(- 1) }, + { "o", tZONE, HOUR(- 2) }, + { "p", tZONE, HOUR(- 3) }, + { "q", tZONE, HOUR(- 4) }, + { "r", tZONE, HOUR(- 5) }, + { "s", tZONE, HOUR(- 6) }, + { "t", tZONE, HOUR(- 7) }, + { "u", tZONE, HOUR(- 8) }, + { "v", tZONE, HOUR(- 9) }, + { "w", tZONE, HOUR(-10) }, + { "x", tZONE, HOUR(-11) }, + { "y", tZONE, HOUR(-12) }, + { "z", tZONE, HOUR( 0) }, + { NULL } +}; + + + + +/* ARGSUSED */ +int +yyerror(s) + char *s; +{ + return 0; +} + + +static time_t +ToSeconds(Hours, Minutes, Seconds, Meridian) + time_t Hours; + time_t Minutes; + time_t Seconds; + MERIDIAN Meridian; +{ + if (Minutes < 0 || Minutes > 59 || Seconds < 0 || Seconds > 59) + return -1; + switch (Meridian) { + case MER24: + if (Hours < 0 || Hours > 23) + return -1; + return (Hours * 60L + Minutes) * 60L + Seconds; + case MERam: + if (Hours < 1 || Hours > 12) + return -1; + return (Hours * 60L + Minutes) * 60L + Seconds; + case MERpm: + if (Hours < 1 || Hours > 12) + return -1; + return ((Hours + 12) * 60L + Minutes) * 60L + Seconds; + } + /* NOTREACHED */ +} + + +static time_t +Convert(Month, Day, Year, Hours, Minutes, Seconds, Meridian, DSTmode) + time_t Month; + time_t Day; + time_t Year; + time_t Hours; + time_t Minutes; + time_t Seconds; + MERIDIAN Meridian; + DSTMODE DSTmode; +{ + static int DaysInMonth[12] = { + 31, 0, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 + }; + time_t tod; + time_t Julian; + int i; + + if (Year < 0) + Year = -Year; + if (Year < 100) + Year += 1900; + DaysInMonth[1] = Year % 4 == 0 && (Year % 100 != 0 || Year % 400 == 0) + ? 29 : 28; + if (Year < EPOCH || Year > 1999 + || Month < 1 || Month > 12 + /* Lint fluff: "conversion from long may lose accuracy" */ + || Day < 1 || Day > DaysInMonth[(int)--Month]) + return -1; + + for (Julian = Day - 1, i = 0; i < Month; i++) + Julian += DaysInMonth[i]; + for (i = EPOCH; i < Year; i++) + Julian += 365 + (i % 4 == 0); + Julian *= SECSPERDAY; + Julian += yyTimezone * 60L; + if ((tod = ToSeconds(Hours, Minutes, Seconds, Meridian)) < 0) + return -1; + Julian += tod; + if (DSTmode == DSTon + || (DSTmode == DSTmaybe && localtime(&Julian)->tm_isdst)) + Julian -= 60 * 60; + return Julian; +} + + +static time_t +DSTcorrect(Start, Future) + time_t Start; + time_t Future; +{ + time_t StartDay; + time_t FutureDay; + + StartDay = (localtime(&Start)->tm_hour + 1) % 24; + FutureDay = (localtime(&Future)->tm_hour + 1) % 24; + return (Future - Start) + (StartDay - FutureDay) * 60L * 60L; +} + + +static time_t +RelativeDate(Start, DayOrdinal, DayNumber) + time_t Start; + time_t DayOrdinal; + time_t DayNumber; +{ + struct tm *tm; + time_t now; + + now = Start; + tm = localtime(&now); + now += SECSPERDAY * ((DayNumber - tm->tm_wday + 7) % 7); + now += 7 * SECSPERDAY * (DayOrdinal <= 0 ? DayOrdinal : DayOrdinal - 1); + return DSTcorrect(Start, now); +} + + +static time_t +RelativeMonth(Start, RelMonth) + time_t Start; + time_t RelMonth; +{ + struct tm *tm; + time_t Month; + time_t Year; + + if (RelMonth == 0) + return 0; + tm = localtime(&Start); + Month = 12 * tm->tm_year + tm->tm_mon + RelMonth; + Year = Month / 12; + Month = Month % 12 + 1; + return DSTcorrect(Start, + Convert(Month, (time_t)tm->tm_mday, Year, + (time_t)tm->tm_hour, (time_t)tm->tm_min, (time_t)tm->tm_sec, + MER24, DSTmaybe)); +} + + +static int +LookupWord(buff) + char *buff; +{ + register char *p; + register char *q; + register TABLE *tp; + int i; + int abbrev; + + /* Make it lowercase. */ + for (p = buff; *p; p++) + if (isupper(*p)) + *p = tolower(*p); + + if (strcmp(buff, "am") == 0 || strcmp(buff, "a.m.") == 0) { + yylval.Meridian = MERam; + return tMERIDIAN; + } + if (strcmp(buff, "pm") == 0 || strcmp(buff, "p.m.") == 0) { + yylval.Meridian = MERpm; + return tMERIDIAN; + } + + /* See if we have an abbreviation for a month. */ + if (strlen(buff) == 3) + abbrev = 1; + else if (strlen(buff) == 4 && buff[3] == '.') { + abbrev = 1; + buff[3] = '\0'; + } + else + abbrev = 0; + + for (tp = MonthDayTable; tp->name; tp++) { + if (abbrev) { + if (strncmp(buff, tp->name, 3) == 0) { + yylval.Number = tp->value; + return tp->type; + } + } + else if (strcmp(buff, tp->name) == 0) { + yylval.Number = tp->value; + return tp->type; + } + } + + for (tp = TimezoneTable; tp->name; tp++) + if (strcmp(buff, tp->name) == 0) { + yylval.Number = tp->value; + return tp->type; + } + + if (strcmp(buff, "dst") == 0) + return tDST; + + for (tp = UnitsTable; tp->name; tp++) + if (strcmp(buff, tp->name) == 0) { + yylval.Number = tp->value; + return tp->type; + } + + /* Strip off any plural and try the units table again. */ + i = strlen(buff) - 1; + if (buff[i] == 's') { + buff[i] = '\0'; + for (tp = UnitsTable; tp->name; tp++) + if (strcmp(buff, tp->name) == 0) { + yylval.Number = tp->value; + return tp->type; + } + buff[i] = 's'; /* Put back for "this" in OtherTable. */ + } + + for (tp = OtherTable; tp->name; tp++) + if (strcmp(buff, tp->name) == 0) { + yylval.Number = tp->value; + return tp->type; + } + + /* Military timezones. */ + if (buff[1] == '\0' && isalpha(*buff)) { + for (tp = MilitaryTable; tp->name; tp++) + if (strcmp(buff, tp->name) == 0) { + yylval.Number = tp->value; + return tp->type; + } + } + + /* Drop out any periods and try the timezone table again. */ + for (i = 0, p = q = buff; *q; q++) + if (*q != '.') + *p++ = *q; + else + i++; + *p = '\0'; + if (i) + for (tp = TimezoneTable; tp->name; tp++) + if (strcmp(buff, tp->name) == 0) { + yylval.Number = tp->value; + return tp->type; + } + + return tID; +} + + +int +yylex() +{ + register char c; + register char *p; + char buff[20]; + int Count; + int sign; + + for ( ; ; ) { + while (isspace(*yyInput)) + yyInput++; + + if (isdigit(c = *yyInput) || c == '-' || c == '+') { + if (c == '-' || c == '+') { + sign = c == '-' ? -1 : 1; + if (!isdigit(*++yyInput)) + /* skip the '-' sign */ + continue; + } + else + sign = 0; + for (yylval.Number = 0; isdigit(c = *yyInput++); ) + yylval.Number = 10 * yylval.Number + c - '0'; + yyInput--; + if (sign < 0) + yylval.Number = -yylval.Number; + return sign ? tSNUMBER : tUNUMBER; + } + if (isalpha(c)) { + for (p = buff; isalpha(c = *yyInput++) || c == '.'; ) + if (p < &buff[sizeof buff - 1]) + *p++ = c; + *p = '\0'; + yyInput--; + return LookupWord(buff); + } + if (c != '(') + return *yyInput++; + Count = 0; + do { + c = *yyInput++; + if (c == '\0') + return c; + if (c == '(') + Count++; + else if (c == ')') + Count--; + } while (Count > 0); + } +} + + +time_t +get_date(p, now) + char *p; + struct timeb *now; +{ + struct tm *tm; + struct timeb ftz; + time_t Start; + time_t tod; + + yyInput = p; + if (now == NULL) { + now = &ftz; +#if defined(FTIME_MISSING) + (void)time(&ftz.time); + /* Set the timezone global. */ + tzset(); +#if defined(HAVE_TIMEZONE) + tm = localtime(&ftz.time); + ftz.timezone = tm->tm_gmtoff / 60; +#else +#if defined(timezone) + ftz.tzone = (int) timezone / 60; +#else + ftz.timezone = (int) timezone / 60; +#endif /* defined(timezone) */ +#endif /* defined(HAVE_TIMEZONE) */ +#else + (void)ftime(&ftz); +#endif /* defined(FTIME_MISSING) */ + } + + tm = localtime(&now->time); + yyYear = tm->tm_year; + yyMonth = tm->tm_mon + 1; + yyDay = tm->tm_mday; +#if defined(timezone) + yyTimezone = now->tzone; +#else + yyTimezone = now->timezone; +#endif /* defined(timezone) */ + yyDSTmode = DSTmaybe; + yyHour = 0; + yyMinutes = 0; + yySeconds = 0; + yyMeridian = MER24; + yyRelSeconds = 0; + yyRelMonth = 0; + yyHaveDate = 0; + yyHaveDay = 0; + yyHaveRel = 0; + yyHaveTime = 0; + yyHaveZone = 0; + + if (yyparse() + || yyHaveTime > 1 || yyHaveZone > 1 || yyHaveDate > 1 || yyHaveDay > 1) + return -1; + + if (yyHaveDate || yyHaveTime || yyHaveDay) { + Start = Convert(yyMonth, yyDay, yyYear, yyHour, yyMinutes, yySeconds, + yyMeridian, yyDSTmode); + if (Start < 0) + return -1; + } + else { + Start = now->time; + if (!yyHaveRel) + Start -= ((tm->tm_hour * 60L + tm->tm_min) * 60L) + tm->tm_sec; + } + + Start += yyRelSeconds; + Start += RelativeMonth(Start, yyRelMonth); + + if (yyHaveDay && !yyHaveDate) { + tod = RelativeDate(Start, yyDayOrdinal, yyDayNumber); + Start += tod; + } + + /* Have to do *something* with a legitimate -1 so it's distinguishable + * from the error return value. (Alternately could set errno on error.) */ + return Start == -1 ? 0 : Start; +} + + +#if defined(TEST) + +/* ARGSUSED */ +main(ac, av) + int ac; + char *av[]; +{ + char buff[128]; + time_t d; + + (void)printf("Enter date, or blank line to exit.\n\t> "); + (void)fflush(stdout); + while (gets(buff) && buff[0]) { + d = get_date(buff, (struct timeb *)NULL); + if (d == -1) + (void)printf("Bad format - couldn't convert.\n"); + else + (void)printf("%s", ctime(&d)); + (void)printf("\t> "); + (void)fflush(stdout); + } + exit(0); + /* NOTREACHED */ +} +#endif /* defined(TEST) */ diff --git a/src/kadmin.new/client/kadmin.c b/src/kadmin.new/client/kadmin.c new file mode 100644 index 000000000..f073b7b1e --- /dev/null +++ b/src/kadmin.new/client/kadmin.c @@ -0,0 +1,383 @@ +/* + * Copyright 1994 by the Massachusetts Institute of Technology. + * All Rights Reserved. + * + * Export of this software from the United States of America may + * require a specific license from the United States Government. + * It is the responsibility of any person or organization contemplating + * export to obtain such a license before exporting. + * + * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and + * distribute this software and its documentation for any purpose and + * without fee is hereby granted, provided that the above copyright + * notice appear in all copies and that both that copyright notice and + * this permission notice appear in supporting documentation, and that + * the name of M.I.T. not be used in advertising or publicity pertaining + * to distribution of the software without specific, written prior + * permission. M.I.T. makes no representations about the suitability of + * this software for any purpose. It is provided "as is" without express + * or implied warranty. + * + * kadmin.c: base functions for a kadmin command line interface using + * the OVSecure library + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +/* special struct to convert flag names for principals + to actual krb5_flags for a principal */ +struct princ_flag { + char *flagname; /* name of flag as typed to CLI */ + int flaglen; /* length of string (not counting -,+) */ + krb5_flags theflag; /* actual principal flag to set/clear */ + int set; /* 0 means clear, 1 means set (on '-') */ +}; + +static struct princ_flag the_flags = { +{ "allow_tgs_req", 13, KRB5_KDB_DISALLOW_TGT_BASED, 1 }, +{ "allow_tix", 9, KRB5_KDB_DISALLOW_ALL_TIX, 1 }, +{ "needchange", 10, KRB5_KDB_REQUIRES_PWCHANGE, 0 }, +{ "password_changing_service", 25, KRB5_KDB_PWCHANGE_SERVICE, 0 } +}; + +char *getenv(); +struct passwd *getpwuid(); + +void usage() +{ + fprintf(stderr, + "usage: kadmin [-r realm] [-p principal] [-k keytab] [-q query]\n"); + exit(1); +} + +char *kadmin_startup(argc, argv) + int argc; + char *argv[]; +{ + extern char *optarg; + char *realmname = NULL, princstr = NULL, *keytab = NULL, *query = NULL; + char *luser; + int optchar, freeprinc = 0; + struct passwd *pw; + ovsec_kadm_ret_t retval; + krb5_ccache cc; + krb5_principal princ; + + while ((optchar = getopt(argc, argv, "r:p:k:q:")) != EOF) { + switch (optchar) { + case 'r': + realmname = optarg; + break; + case 'p': + princstr = optarg; + break; + case 'k': + fprintf(stderr, "kadmin: -k not supported yet\n"); + exit(1); + break; + case 'q': + query = optarg; + break; + default: + usage(); + } + } + if (princstr == NULL) { + if (!krb5_cc_default(&cc) && !krb5_cc_get_principal(cc, &princ)) { + princstr = + (char *)malloc(krb5_princ_component(princ, 0)->length + + 7 /* "/admin@" */ + + krb5_princ_realm(princ)->length + 1); + if (princstr == NULL) { + fprintf(stderr, "kadmin: out of memory\n"); + exit(1); + } + /* XXX assuming no nulls in principal */ + strncpy(princstr, krb5_princ_component(princ, 0)->data, + krb5_princ_component(princ, 0)->length); + princstr[krb5_princ_component(princ, 0)->length] = '\0'; + strcat(princstr, "/admin@"); + strncat(princstr, krb5_princ_realm(princ)->data, + krb5_princ_realm(princ)->length); + krb5_free_principal(princ); + freeprinc++; + } else if (luser = getenv("USER")) { + princstr = malloc(strlen(luser) + 6 /* "/admin" */ + 1); + if (princstr == NULL) { + fprintf(stderr, "kadmin: out of memory\n"); + exit(1); + } + strcpy(princstr, luser); + strcat(princstr, "/admin"); + freeprinc++; + } else if (pw = getpwuid(getuid())) { + princstr = malloc(strlen(pw->pw_name) + 6 /* "/admin" */ + 1); + if (princstr == NULL) { + fprintf(stderr, "kadmin: out of memory\n"); + exit(1); + } + strcpy(princstr, pw->pw_name); + strcat(princstr, "/admin"); + freeprinc++; + } else { + fprintf(stderr, "kadmin: unable to figure out a principal name\n"); + exit(1); + } + } + + retval = ovsec_kadm_init(princstr, NULL, OVSEC_KADM_ADMIN_SERVICE, + realmname); + if (freeprinc) + free(princstr); + if (retval) { /* assume kadm_init does init_ets() */ + com_err("kadmin", retval, "while initializing kadmin interface"); + exit(1); + } + return query; +} + +int quit() +{ + ovsec_kadm_destroy(); + /* insert more random cleanup here */ +} + +void kadmin_delprinc(argc, argv) + int argc; + char *argv[]; +{ + ovsec_kadm_ret_t retval; + krb5_principal princ; + int i; + char reply[5]; + + if (argc > 3) { + fprintf(stderr, "delete_principal: too many arguments\n"); + return; + } + if (argc == 1) { + printf("Are you sure you want to delete the principal \"%s\"? (yes/no): ", argv[1]); + fgets(reply, sizeof (reply), stdin); + if (strcmp("yes\n", reply)) { + fprintf(stderr, "Principal \"%s\" not deleted\n", argv[1]); + return; + } + } + if ((argc == 2) && ((i = strlen(argv[1])) == 6) && + strcmp("-force", argv[1]) || (i != 6) { + fprintf(stderr, "delete_principal: bad arguments\n"); + return; + } + retval = krb5_parse_name(argv[argc - 1], &princ); + if (retval) { + com_err("delete_principal", retval, "while parsing principal name"); + return; + } + reval = ovsec_kadm_delete_principal(princ); + krb5_free_principal(princ); + if (retval) { + com_err("delete_principal", retval, + "while deleteing principal \"%s\"", argv[argc - 1]); + return; + } + printf("Principal \"%s\" deleted.\nMake sure that you have removed this principal from all ACLs before reusing.\n", argv[argc - 1]); + return; +} + +void kadmin_renprinc(argc, argv) + int argc; + char *argv[]; +{ + krb5_principal oldprinc, newprinc; + int i; + char reply[5]; + ovsec_kadm_ret_t retval; + + if (argc > 4 || argc < 3) { + fprintf(stderr, "rename_principal: too many arguments\n"); + return; + } + if (argc == 3) { + printf("Are you sure you want to rename the principal \"%s\" to \"%s\"? (yes/no): ", + argv[1], argv[2]); + fgets(reply, sizeof (reply), stdin); + if (strcmp("yes\n", reply)) { + fprintf(stderr, "rename_principal: \"%s\" NOT renamed to \"%s\".\n", + argv[1], argv[2]); + return; + } + } + if ((argc == 4) && ((i = strlen(argv[1])) == 6) && + !strcmp("-force", argv[1]) || (i != 6)) { + fprintf(stderr, "rename_principal: wrong arguments\n"); + return; + } + retval = krb5_parse_name(argv[argc - 2], &oldprinc); + if (retval) { + com_err("rename_principal", retval, "while parsing old principal"); + return; + } + retval = krb5_parse_name(argv[argc - 1], &newprinc); + if (retval) { + krb5_free_principal(oldprinc); + com_err("rename_principal", retval, "while parsing new principal"); + return; + } + retval = ovsed_kadm_rename_principal(oldprinc, newprinc); + krb5_free_principal(oldprinc); + krb5_free_principal(newprinc); + if (retval) { + com_err("rename_principal", retval, + "while renaming \"%s\" to \"%s\".", argv[argc - 2], + argv[argc - 1]); + return; + } + fprintf("Principal \"%s\" renamed to \"%s\".\nMake sure that you have removed \"%s\" from all ACLs before reusing.\n", + argv[argc - 2], argv[argc - 1], argv[argc - 2]); + return; +} + +void kadmin_cpw(argc, argv) + int argc; + char *argv[]; +{ + ovsec_kadm_ret_t retval; + static char newpw[1024]; + static char prompt1[1024], prompt2[1024]; + krb5_principal princ; + + if (argc > 4) { + fprintf(stderr, "change_password: too many arguments\n"); + return; + } + retval = krb5_parse_name(argv[argc - 1], &princ); + if (retval) { + com_err("change_password", retval, "while parsing principal name"); + return; + } + if ((argc == 4) && (strlen(argv[1]) == 3) && !strcmp("-pw", argv[1])) { + retval = ovsec_kadm_chpass_principal(princ, argv[2]); + krb5_free_principal(princ); + if (retval) { + com_err("change_password", retval, + "while changing password for \"%s\".", argv[3]); + return; + } + printf("Password for \"%s\" changed.\n", argv[3]); + return; + } else if ((argc == 3) && (strlen(argv[1]) == 8) && + !strcmp("-randkey", argv[1])) { + krb5_keyblock *newkey = NULL; + retval = ovsec_kadm_randkey_principal(princ, &newkey); + krb5_free_principal(princ); + if (retval) { + com_err("change_password", retval, + "while randomizing key for \"%s\".", argv[2]); + return; + } + memset(newkey->contents, 0, newkey->length); + printf("Key for \"%s\" randomized.\n", argv[2]); + return; + } else if (argc == 2) { + int i = sizeof (newpw) - 1; + + sprintf(prompt1, "Enter password for principal \"%.900s\": ", + argv[1]); + sprintf(prompt2, + "Re-enter password for principal \"%.900s\": ", + argv[1]); + retval = krb5_read_password(prompt1, prompt2, + newpw, &i); + if (retval) { + com_err("change_password", retval, + "while reading password for \"%s\".", argv[1]); + krb5_free_principal(princ); + return; + } + retval = ovsec_kadm_chpass_principal(princ, newpw); + krb5_free_principal(princ); + memset(newpw, 0, sizeof (newpw)); + if (retval) { + com_err("change_password", retval, + "while changing password for \"%s\".", argv[1]); + return; + } + printf("Password for \"%s\" changed.", argv[1]); + return; + } + fprintf(stderr, "change_password: bad args\n"); + krb5_free_principal(princ); + return; +} + +int kadmin_parse_princ_args(argc, argv, oprinc, mask, pass) + int argc; + char *argv[]; + ovsec_kadm_principal_ent_t *oprinc; + u_int32 *mask; + char *pw; +{ + int i; + struct timeb now; + + ftime(&now); + for (i = 1; i < argc - 1; i++) { + if (strlen(argv[i]) == 7 && + !strcmp("-expire", argv[i])) { + if (++i >= argc - 1) + return -1; + else { + oprinc->princ_expire_time = get_date(argv[i], now); + *mask |= OVSEC_KADM_PRINC_EXPIRE_TIME; + continue; + } + } + if (strlen(argv[i]) == 9 && + !strcmp("-pwexpire", argv[i])) { + if (++i >= argc - 1) + return -1; + else { + oprinc->pw_expiration = get_date(argv[i], now); + *mask |= OVSEC_KADM_PW_EXPIRATION; + continue; + } + } + if (strlen(argv[i]) == 5 && + !strcmp("-kvno", argv[i])) { + if (++i >= argc - 1) + return -1; + else { + oprinc->kvno = atoi(argv[i]); + *mask |= OVSEC_KADM_KVNO; + continue; + } + } + if (strlen(argv[i]) == 8 && + !strcmp("-policy", argv[i])) { + if (++i >= argc - 1) + return -1; + else { + oprinc->policy = argv[i]; + *mask |= OVSEC_KADM_POLICY; + continue; + } + } + if (strlen(argv[i]) == 12 && + !strcmp("-clearpolicy", argv[i])) { + if (++i >= argc - 1) + return -1; + else { + oprinc->policy = NULL; + *mask |= OVSEC_KADM_POLICY_CLR; + continue; + } + } + } +}