From 4ae5aea3e465fe90e5d6aba4d77f38aee3f8df73 Mon Sep 17 00:00:00 2001 From: Ken Raeburn Date: Mon, 6 Dec 1999 21:49:19 +0000 Subject: [PATCH] merge 1.1 branch, to 12/1/99 git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@11948 dc483132-0cff-0310-8789-dd5450dbe970 --- src/lib/krb5/krb/ChangeLog | 54 +- src/lib/krb5/krb/Makefile.in | 24 +- src/lib/krb5/krb/deltat.c | 1063 +++++++++++++++++++++++++++++++++ src/lib/krb5/krb/in_tkt_ktb.c | 4 +- src/lib/krb5/krb/in_tkt_pwd.c | 4 +- src/lib/krb5/krb/in_tkt_sky.c | 4 +- src/lib/krb5/krb/init_ctx.c | 19 + src/lib/krb5/krb/preauth2.c | 37 +- src/lib/krb5/krb/str_conv.c | 568 ++++++------------ src/lib/krb5/krb/strftime.c | 415 +++++++++++++ src/lib/krb5/krb/strptime.c | 386 ++++++++++++ src/lib/krb5/krb/t_deltat.c | 102 ++++ src/lib/krb5/krb/x-deltat.y | 168 ++++++ 13 files changed, 2450 insertions(+), 398 deletions(-) create mode 100644 src/lib/krb5/krb/deltat.c create mode 100644 src/lib/krb5/krb/strftime.c create mode 100644 src/lib/krb5/krb/strptime.c create mode 100644 src/lib/krb5/krb/t_deltat.c create mode 100644 src/lib/krb5/krb/x-deltat.y diff --git a/src/lib/krb5/krb/ChangeLog b/src/lib/krb5/krb/ChangeLog index 3608c5009..c02f6e7b5 100644 --- a/src/lib/krb5/krb/ChangeLog +++ b/src/lib/krb5/krb/ChangeLog @@ -1,3 +1,53 @@ +1999-11-23 Ken Raeburn + + * init_ctx.c (init_common): Renamed from krb5_init_context, now + static. New argument SECURE provides initialization of + profile_secure field. + (krb5_init_context): Call it. + (krb5_init_secure_context): New function. + + * in_tkt_ktb.c (keytab_keyproc): Now static. + * in_tkt_pwd.c (pwd_keyproc): Now static. + * in_tkt_sky.c (skey_keyproc): Now static. + + * preauth2.c (krb5_do_preauth): Fix syntax in switch statement. + Cast padata contents pointer to avoid warning. + (pa_types): Now static. + + * str_conv.c (krb5_deltat_to_string): Always write to a local + temporary buffer that's guaranteed to be large enough, then see if + the supplied output buffer is big enough. + (krb5_string_to_deltat): Deleted. + * x-deltat.y, deltat.c: New files. + * Makefile.in (deltat.c): Add rule for building from x-deltat.y, + but comment out dependencies for easier maintenance. + (BISON, BISONFLAGS): New variables. + + * str_conv.c: Removed most static char arrays, substituting the + values in place. + (krb5_string_to_timestamp): Move atime_format_table inside here. + (krb5_timestamp_to_sfstring): Move sftime_format_table inside + here. + + * str_conv.c: If strftime or strptime are not available, include + the renamed NetBSD versions, and define the function names as + macros to map them to the replacement names. + (__P, _CurrentTimeLocale, dummy_locale_info, TM_YEAR_BASE, + DAYSPERLYEAR, DAYSPERNYEAR, DAYSPERWEEK, isleap, tzname, tzset): + Define some dummies for strftime/strptime to use. + (strptime): Deleted old stub version. + (krb5_timestamp_to_string, krb5_timestamp_to_sfstring): Always + assume strftime is available. + (krb5_string_to_timestamp): Assume strptime is always available. + * strftime.c, strptime.c: New files, based on NetBSD versions. + Modified to rename the functions and not export any symbols. + + * Makefile.in (T_DELTAT_OBJS): New variable. + (TEST_PROGS): Add t_deltat. + (t_deltat): Add rule. + (clean): Added t_deltat stuff. Run rm only once. + * t_deltat.c: New file. + 1999-11-02 Ken Raeburn * t_ref_kerb.out: Fix expected zephyr/zephyr output. @@ -15,10 +65,6 @@ principal. (Noticed by Derrick Brashear.) Delete about a dozen duplicate entries. - * str_conv.c (dt_output_donly, dt_output_dhms, dt_output_hms, - sftime_default_fmt): Replace char arrays with macros, so gcc can - do better format-string checking. - 1999-09-01 Ken Raeburn * init_ctx.c (get_profile_etype_list): Update name of the des3 diff --git a/src/lib/krb5/krb/Makefile.in b/src/lib/krb5/krb/Makefile.in index 2ed30e897..ba7666247 100644 --- a/src/lib/krb5/krb/Makefile.in +++ b/src/lib/krb5/krb/Makefile.in @@ -33,6 +33,7 @@ STLIBOBJS= \ cp_key_cnt.o \ decode_kdc.o \ decrypt_tk.o \ + deltat.o \ enc_helper.o \ encode_kdc.o \ encrypt_tk.o \ @@ -116,6 +117,7 @@ OBJS= $(OUTPRE)addr_comp.$(OBJEXT) \ $(OUTPRE)cp_key_cnt.$(OBJEXT) \ $(OUTPRE)decode_kdc.$(OBJEXT) \ $(OUTPRE)decrypt_tk.$(OBJEXT) \ + $(OUTPRE)deltat.$(OBJEXT) \ $(OUTPRE)enc_helper.$(OBJEXT) \ $(OUTPRE)encode_kdc.$(OBJEXT) \ $(OUTPRE)encrypt_tk.$(OBJEXT) \ @@ -200,6 +202,7 @@ SRCS= $(srcdir)/addr_comp.c \ $(srcdir)/cp_key_cnt.c \ $(srcdir)/decode_kdc.c \ $(srcdir)/decrypt_tk.c \ + $(srcdir)/deltat.c \ $(srcdir)/enc_helper.c \ $(srcdir)/encode_kdc.c \ $(srcdir)/encrypt_tk.c \ @@ -262,6 +265,12 @@ SRCS= $(srcdir)/addr_comp.c \ $(srcdir)/vic_opt.c \ $(srcdir)/walk_rtree.c +# Someday, when we have a "maintainer mode", do this right: +BISON=bison +BISONFLAGS=-v # -v -> .output; -d -> .h +$(srcdir)/deltat.c : # x-deltat.y + $(BISON) $(BISONFLAGS) -o $(srcdir)/deltat.c $(srcdir)/x-deltat.y + ##DOS##LIBOBJS = $(OBJS) all-unix:: all-libobjs @@ -277,6 +286,8 @@ T_KERB_OBJS= t_kerb.o conv_princ.o unparse.o set_realm.o str_conv.o T_SER_OBJS= t_ser.o ser_actx.o ser_adata.o ser_addr.o ser_auth.o ser_cksum.o \ ser_ctx.o ser_eblk.o ser_key.o ser_princ.o serialize.o +T_DELTAT_OBJS= t_deltat.o deltat.o + t_walk_rtree: $(T_WALK_RTREE_OBJS) $(KDB5_DEPLIBS) $(KRB5_BASE_DEPLIBS) $(CC_LINK) -o t_walk_rtree $(T_WALK_RTREE_OBJS) \ $(KDB5_LIBS) $(KRB5_BASE_LIBS) @@ -289,7 +300,10 @@ t_ser: $(T_SER_OBJS) $(KDB5_DEPLIBS) $(KRB5_BASE_DEPLIBS) $(CC_LINK) -o t_ser $(T_SER_OBJS) \ $(KDB5_LIBS) $(KRB5_BASE_LIBS) -TEST_PROGS= t_walk_rtree t_kerb t_ser +t_deltat : $(T_DELTAT_OBJS) + $(CC_LINK) -o t_deltat $(T_DELTAT_OBJS) + +TEST_PROGS= t_walk_rtree t_kerb t_ser t_deltat check-unix:: $(TEST_PROGS) KRB5_CONFIG=$(srcdir)/t_krb5.conf ; export KRB5_CONFIG ;\ @@ -316,8 +330,10 @@ check-unix:: $(TEST_PROGS) $(RM) test.out KRB5_CONFIG=$(srcdir)/t_krb5.conf ; export KRB5_CONFIG ;\ $(RUN_SETUP) ./t_ser + ./t_deltat clean:: - $(RM) $(OUTPRE)t_walk_rtree$(EXEEXT) $(OUTPRE)t_walk_rtree.$(OBJEXT) - $(RM) $(OUTPRE)t_kerb$(EXEEXT) $(OUTPRE)t_kerb.$(OBJEXT) - $(RM) $(OUTPRE)t_ser$(EXEEXT) $(OUTPRE)t_ser.$(OBJEXT) + $(RM) $(OUTPRE)t_walk_rtree$(EXEEXT) $(OUTPRE)t_walk_rtree.$(OBJEXT) \ + $(OUTPRE)t_kerb$(EXEEXT) $(OUTPRE)t_kerb.$(OBJEXT) \ + $(OUTPRE)t_ser$(EXEEXT) $(OUTPRE)t_ser.$(OBJEXT) \ + $(OUTPRE)t_deltat$(EXEEXT) $(OUTPRE)t_deltat.$(OBJEXT) diff --git a/src/lib/krb5/krb/deltat.c b/src/lib/krb5/krb/deltat.c new file mode 100644 index 000000000..dbf990092 --- /dev/null +++ b/src/lib/krb5/krb/deltat.c @@ -0,0 +1,1063 @@ + +/* A Bison parser, made from ../../../../asrc/lib/krb5/krb/x-deltat.y + by GNU Bison version 1.27 + */ + +#define YYBISON 1 /* Identify Bison output. */ + +#define NUM 257 +#define LONGNUM 258 +#define WS 259 + +#line 38 "../../../../asrc/lib/krb5/krb/x-deltat.y" + + +#include +#include +#include "k5-int.h" + +#if 0 +#define NBITS(TYPE) (8*sizeof(TYPE)) +#define LOG10_2 0.30103 +#define LOG10_MAX(TYPE) (LOG10_2 * NBITS(TYPE)) +#define BUFFERSIZE(TYPE) (1 /* \0 */ + (int) (1 + LOG10_MAX(TYPE))) +#endif + +struct param { + krb5_deltat delta; + char *p; +}; + +#define YYPARSE_PARAM tmv + +#define DO(D,H,M,S) \ + { \ + ((struct param *)tmv)->delta = (((D * 24) + H) * 60 + M) * 60 + S; \ + } + +static int mylex (int *, char **); +#define YYLEX_PARAM (&((struct param *)tmv)->p) +#undef yylex +#define yylex(U, P) mylex (&(U)->val, (P)) + +#undef yyerror +#define yyerror(MSG) + +static int yyparse (void *); + + +#line 77 "../../../../asrc/lib/krb5/krb/x-deltat.y" +typedef union { int val; } YYSTYPE; +#include + +#ifndef __cplusplus +#ifndef __STDC__ +#define const +#endif +#endif + + + +#define YYFINAL 41 +#define YYFLAG -32768 +#define YYNTBASE 12 + +#define YYTRANSLATE(x) ((unsigned)(x) <= 259 ? yytranslate[x] : 21) + +static const char yytranslate[] = { 0, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 5, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 6, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 7, + 2, 2, 2, 8, 2, 2, 2, 2, 9, 2, + 2, 2, 2, 2, 10, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 1, 3, 4, 11 +}; + +#if YYDEBUG != 0 +static const short yyprhs[] = { 0, + 0, 2, 4, 6, 8, 11, 12, 14, 17, 21, + 25, 29, 32, 40, 46, 50, 52, 56, 58, 62, + 64 +}; + +static const short yyrhs[] = { 17, + 0, 3, 0, 4, 0, 13, 0, 5, 13, 0, + 0, 11, 0, 15, 14, 0, 16, 7, 18, 0, + 16, 8, 19, 0, 16, 9, 20, 0, 16, 10, + 0, 16, 5, 3, 6, 3, 6, 3, 0, 16, + 6, 3, 6, 3, 0, 16, 6, 3, 0, 19, + 0, 16, 8, 19, 0, 20, 0, 16, 9, 20, + 0, 15, 0, 16, 10, 0 +}; + +#endif + +#if YYDEBUG != 0 +static const short yyrline[] = { 0, + 88, 89, 89, 90, 90, 91, 91, 92, 93, 95, + 96, 97, 98, 99, 100, 103, 105, 106, 108, 109, + 111 +}; +#endif + + +#if YYDEBUG != 0 || defined (YYERROR_VERBOSE) + +static const char * const yytname[] = { "$","error","$undefined.","NUM","LONGNUM", +"'-'","':'","'d'","'h'","'m'","'s'","WS","start","posnum","num","ws","wsnum", +"deltat","opt_hms","opt_ms","opt_s", NULL +}; +#endif + +static const short yyr1[] = { 0, + 12, 13, 13, 14, 14, 15, 15, 16, 17, 17, + 17, 17, 17, 17, 17, 18, 18, 19, 19, 20, + 20 +}; + +static const short yyr2[] = { 0, + 1, 1, 1, 1, 2, 0, 1, 2, 3, 3, + 3, 2, 7, 5, 3, 1, 3, 1, 3, 1, + 2 +}; + +static const short yydefact[] = { 6, + 7, 0, 0, 1, 2, 3, 0, 4, 8, 0, + 0, 6, 6, 6, 12, 5, 0, 15, 20, 0, + 9, 16, 18, 0, 10, 0, 11, 0, 0, 6, + 6, 21, 0, 14, 17, 19, 0, 13, 0, 0, + 0 +}; + +static const short yydefgoto[] = { 39, + 8, 9, 19, 24, 4, 21, 22, 23 +}; + +static const short yypact[] = { -9, +-32768, 12, -1,-32768,-32768,-32768, 7,-32768,-32768, 10, + 16, -9, -9, -9,-32768,-32768, 20, 21, 12, 13, +-32768,-32768,-32768, 15,-32768, 18,-32768, 26, 27, -9, + -9,-32768, 28,-32768,-32768,-32768, 29,-32768, 33, 35, +-32768 +}; + +static const short yypgoto[] = {-32768, + 30,-32768, 36, 0,-32768,-32768, -12, -11 +}; + + +#define YYLAST 37 + + +static const short yytable[] = { 3, + 25, 1, 27, 10, 11, 12, 13, 14, 15, 5, + 6, 20, 17, 26, 5, 6, 7, 35, 18, 36, + 30, 31, 32, 31, 32, 28, 29, 32, 33, 34, + 26, 38, 40, 37, 41, 2, 16 +}; + +static const short yycheck[] = { 0, + 13, 11, 14, 5, 6, 7, 8, 9, 10, 3, + 4, 12, 3, 14, 3, 4, 5, 30, 3, 31, + 8, 9, 10, 9, 10, 6, 6, 10, 3, 3, + 31, 3, 0, 6, 0, 0, 7 +}; +#define YYPURE 1 + +/* -*-C-*- Note some compilers choke on comments on `#line' lines. */ +#line 3 "/mit/gnu/share/bison.simple" +/* This file comes from bison-1.27. */ + +/* Skeleton output parser for bison, + Copyright (C) 1984, 1989, 1990 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +/* As a special exception, when this file is copied by Bison into a + Bison output file, you may use that output file without restriction. + This special exception was added by the Free Software Foundation + in version 1.24 of Bison. */ + +/* This is the parser code that is written into each bison parser + when the %semantic_parser declaration is not specified in the grammar. + It was written by Richard Stallman by simplifying the hairy parser + used when %semantic_parser is specified. */ + +#ifndef YYSTACK_USE_ALLOCA +#ifdef alloca +#define YYSTACK_USE_ALLOCA +#else /* alloca not defined */ +#ifdef __GNUC__ +#define YYSTACK_USE_ALLOCA +#define alloca __builtin_alloca +#else /* not GNU C. */ +#if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__) || defined (__sparc) || defined (__sgi) || (defined (__sun) && defined (__i386)) +#define YYSTACK_USE_ALLOCA +#include +#else /* not sparc */ +/* We think this test detects Watcom and Microsoft C. */ +/* This used to test MSDOS, but that is a bad idea + since that symbol is in the user namespace. */ +#if (defined (_MSDOS) || defined (_MSDOS_)) && !defined (__TURBOC__) +#if 0 /* No need for malloc.h, which pollutes the namespace; + instead, just don't use alloca. */ +#include +#endif +#else /* not MSDOS, or __TURBOC__ */ +#if defined(_AIX) +/* I don't know what this was needed for, but it pollutes the namespace. + So I turned it off. rms, 2 May 1997. */ +/* #include */ + #pragma alloca +#define YYSTACK_USE_ALLOCA +#else /* not MSDOS, or __TURBOC__, or _AIX */ +#if 0 +#ifdef __hpux /* haible@ilog.fr says this works for HPUX 9.05 and up, + and on HPUX 10. Eventually we can turn this on. */ +#define YYSTACK_USE_ALLOCA +#define alloca __builtin_alloca +#endif /* __hpux */ +#endif +#endif /* not _AIX */ +#endif /* not MSDOS, or __TURBOC__ */ +#endif /* not sparc */ +#endif /* not GNU C */ +#endif /* alloca not defined */ +#endif /* YYSTACK_USE_ALLOCA not defined */ + +#ifdef YYSTACK_USE_ALLOCA +#define YYSTACK_ALLOC alloca +#else +#define YYSTACK_ALLOC malloc +#endif + +/* Note: there must be only one dollar sign in this file. + It is replaced by the list of actions, each action + as one case of the switch. */ + +#define yyerrok (yyerrstatus = 0) +#define yyclearin (yychar = YYEMPTY) +#define YYEMPTY -2 +#define YYEOF 0 +#define YYACCEPT goto yyacceptlab +#define YYABORT goto yyabortlab +#define YYERROR goto yyerrlab1 +/* Like YYERROR except do call yyerror. + This remains here temporarily to ease the + transition to the new meaning of YYERROR, for GCC. + Once GCC version 2 has supplanted version 1, this can go. */ +#define YYFAIL goto yyerrlab +#define YYRECOVERING() (!!yyerrstatus) +#define YYBACKUP(token, value) \ +do \ + if (yychar == YYEMPTY && yylen == 1) \ + { yychar = (token), yylval = (value); \ + yychar1 = YYTRANSLATE (yychar); \ + YYPOPSTACK; \ + goto yybackup; \ + } \ + else \ + { yyerror ("syntax error: cannot back up"); YYERROR; } \ +while (0) + +#define YYTERROR 1 +#define YYERRCODE 256 + +#ifndef YYPURE +#define YYLEX yylex() +#endif + +#ifdef YYPURE +#ifdef YYLSP_NEEDED +#ifdef YYLEX_PARAM +#define YYLEX yylex(&yylval, &yylloc, YYLEX_PARAM) +#else +#define YYLEX yylex(&yylval, &yylloc) +#endif +#else /* not YYLSP_NEEDED */ +#ifdef YYLEX_PARAM +#define YYLEX yylex(&yylval, YYLEX_PARAM) +#else +#define YYLEX yylex(&yylval) +#endif +#endif /* not YYLSP_NEEDED */ +#endif + +/* If nonreentrant, generate the variables here */ + +#ifndef YYPURE + +int yychar; /* the lookahead symbol */ +YYSTYPE yylval; /* the semantic value of the */ + /* lookahead symbol */ + +#ifdef YYLSP_NEEDED +YYLTYPE yylloc; /* location data for the lookahead */ + /* symbol */ +#endif + +int yynerrs; /* number of parse errors so far */ +#endif /* not YYPURE */ + +#if YYDEBUG != 0 +int yydebug; /* nonzero means print parse trace */ +/* Since this is uninitialized, it does not stop multiple parsers + from coexisting. */ +#endif + +/* YYINITDEPTH indicates the initial size of the parser's stacks */ + +#ifndef YYINITDEPTH +#define YYINITDEPTH 200 +#endif + +/* YYMAXDEPTH is the maximum size the stacks can grow to + (effective only if the built-in stack extension method is used). */ + +#if YYMAXDEPTH == 0 +#undef YYMAXDEPTH +#endif + +#ifndef YYMAXDEPTH +#define YYMAXDEPTH 10000 +#endif + +/* Define __yy_memcpy. Note that the size argument + should be passed with type unsigned int, because that is what the non-GCC + definitions require. With GCC, __builtin_memcpy takes an arg + of type size_t, but it can handle unsigned int. */ + +#if __GNUC__ > 1 /* GNU C and GNU C++ define this. */ +#define __yy_memcpy(TO,FROM,COUNT) __builtin_memcpy(TO,FROM,COUNT) +#else /* not GNU C or C++ */ +#ifndef __cplusplus + +/* This is the most reliable way to avoid incompatibilities + in available built-in functions on various systems. */ +static void +__yy_memcpy (to, from, count) + char *to; + char *from; + unsigned int count; +{ + register char *f = from; + register char *t = to; + register int i = count; + + while (i-- > 0) + *t++ = *f++; +} + +#else /* __cplusplus */ + +/* This is the most reliable way to avoid incompatibilities + in available built-in functions on various systems. */ +static void +__yy_memcpy (char *to, char *from, unsigned int count) +{ + register char *t = to; + register char *f = from; + register int i = count; + + while (i-- > 0) + *t++ = *f++; +} + +#endif +#endif + +#line 216 "/mit/gnu/share/bison.simple" + +/* The user can define YYPARSE_PARAM as the name of an argument to be passed + into yyparse. The argument should have type void *. + It should actually point to an object. + Grammar actions can access the variable by casting it + to the proper pointer type. */ + +#ifdef YYPARSE_PARAM +#ifdef __cplusplus +#define YYPARSE_PARAM_ARG void *YYPARSE_PARAM +#define YYPARSE_PARAM_DECL +#else /* not __cplusplus */ +#define YYPARSE_PARAM_ARG YYPARSE_PARAM +#define YYPARSE_PARAM_DECL void *YYPARSE_PARAM; +#endif /* not __cplusplus */ +#else /* not YYPARSE_PARAM */ +#define YYPARSE_PARAM_ARG +#define YYPARSE_PARAM_DECL +#endif /* not YYPARSE_PARAM */ + +/* Prevent warning if -Wstrict-prototypes. */ +#ifdef __GNUC__ +#ifdef YYPARSE_PARAM +int yyparse (void *); +#else +int yyparse (void); +#endif +#endif + +int +yyparse(YYPARSE_PARAM_ARG) + YYPARSE_PARAM_DECL +{ + register int yystate; + register int yyn; + register short *yyssp; + register YYSTYPE *yyvsp; + int yyerrstatus; /* number of tokens to shift before error messages enabled */ + int yychar1 = 0; /* lookahead token as an internal (translated) token number */ + + short yyssa[YYINITDEPTH]; /* the state stack */ + YYSTYPE yyvsa[YYINITDEPTH]; /* the semantic value stack */ + + short *yyss = yyssa; /* refer to the stacks thru separate pointers */ + YYSTYPE *yyvs = yyvsa; /* to allow yyoverflow to reallocate them elsewhere */ + +#ifdef YYLSP_NEEDED + YYLTYPE yylsa[YYINITDEPTH]; /* the location stack */ + YYLTYPE *yyls = yylsa; + YYLTYPE *yylsp; + +#define YYPOPSTACK (yyvsp--, yyssp--, yylsp--) +#else +#define YYPOPSTACK (yyvsp--, yyssp--) +#endif + + int yystacksize = YYINITDEPTH; + int yyfree_stacks = 0; + +#ifdef YYPURE + int yychar; + YYSTYPE yylval; + int yynerrs; +#ifdef YYLSP_NEEDED + YYLTYPE yylloc; +#endif +#endif + + YYSTYPE yyval; /* the variable used to return */ + /* semantic values from the action */ + /* routines */ + + int yylen; + +#if YYDEBUG != 0 + if (yydebug) + fprintf(stderr, "Starting parse\n"); +#endif + + yystate = 0; + yyerrstatus = 0; + yynerrs = 0; + yychar = YYEMPTY; /* Cause a token to be read. */ + + /* Initialize stack pointers. + Waste one element of value and location stack + so that they stay on the same level as the state stack. + The wasted elements are never initialized. */ + + yyssp = yyss - 1; + yyvsp = yyvs; +#ifdef YYLSP_NEEDED + yylsp = yyls; +#endif + +/* Push a new state, which is found in yystate . */ +/* In all cases, when you get here, the value and location stacks + have just been pushed. so pushing a state here evens the stacks. */ +yynewstate: + + *++yyssp = yystate; + + if (yyssp >= yyss + yystacksize - 1) + { + /* Give user a chance to reallocate the stack */ + /* Use copies of these so that the &'s don't force the real ones into memory. */ + YYSTYPE *yyvs1 = yyvs; + short *yyss1 = yyss; +#ifdef YYLSP_NEEDED + YYLTYPE *yyls1 = yyls; +#endif + + /* Get the current used size of the three stacks, in elements. */ + int size = yyssp - yyss + 1; + +#ifdef yyoverflow + /* Each stack pointer address is followed by the size of + the data in use in that stack, in bytes. */ +#ifdef YYLSP_NEEDED + /* This used to be a conditional around just the two extra args, + but that might be undefined if yyoverflow is a macro. */ + yyoverflow("parser stack overflow", + &yyss1, size * sizeof (*yyssp), + &yyvs1, size * sizeof (*yyvsp), + &yyls1, size * sizeof (*yylsp), + &yystacksize); +#else + yyoverflow("parser stack overflow", + &yyss1, size * sizeof (*yyssp), + &yyvs1, size * sizeof (*yyvsp), + &yystacksize); +#endif + + yyss = yyss1; yyvs = yyvs1; +#ifdef YYLSP_NEEDED + yyls = yyls1; +#endif +#else /* no yyoverflow */ + /* Extend the stack our own way. */ + if (yystacksize >= YYMAXDEPTH) + { + yyerror("parser stack overflow"); + if (yyfree_stacks) + { + free (yyss); + free (yyvs); +#ifdef YYLSP_NEEDED + free (yyls); +#endif + } + return 2; + } + yystacksize *= 2; + if (yystacksize > YYMAXDEPTH) + yystacksize = YYMAXDEPTH; +#ifndef YYSTACK_USE_ALLOCA + yyfree_stacks = 1; +#endif + yyss = (short *) YYSTACK_ALLOC (yystacksize * sizeof (*yyssp)); + __yy_memcpy ((char *)yyss, (char *)yyss1, + size * (unsigned int) sizeof (*yyssp)); + yyvs = (YYSTYPE *) YYSTACK_ALLOC (yystacksize * sizeof (*yyvsp)); + __yy_memcpy ((char *)yyvs, (char *)yyvs1, + size * (unsigned int) sizeof (*yyvsp)); +#ifdef YYLSP_NEEDED + yyls = (YYLTYPE *) YYSTACK_ALLOC (yystacksize * sizeof (*yylsp)); + __yy_memcpy ((char *)yyls, (char *)yyls1, + size * (unsigned int) sizeof (*yylsp)); +#endif +#endif /* no yyoverflow */ + + yyssp = yyss + size - 1; + yyvsp = yyvs + size - 1; +#ifdef YYLSP_NEEDED + yylsp = yyls + size - 1; +#endif + +#if YYDEBUG != 0 + if (yydebug) + fprintf(stderr, "Stack size increased to %d\n", yystacksize); +#endif + + if (yyssp >= yyss + yystacksize - 1) + YYABORT; + } + +#if YYDEBUG != 0 + if (yydebug) + fprintf(stderr, "Entering state %d\n", yystate); +#endif + + goto yybackup; + yybackup: + +/* Do appropriate processing given the current state. */ +/* Read a lookahead token if we need one and don't already have one. */ +/* yyresume: */ + + /* First try to decide what to do without reference to lookahead token. */ + + yyn = yypact[yystate]; + if (yyn == YYFLAG) + goto yydefault; + + /* Not known => get a lookahead token if don't already have one. */ + + /* yychar is either YYEMPTY or YYEOF + or a valid token in external form. */ + + if (yychar == YYEMPTY) + { +#if YYDEBUG != 0 + if (yydebug) + fprintf(stderr, "Reading a token: "); +#endif + yychar = YYLEX; + } + + /* Convert token to internal form (in yychar1) for indexing tables with */ + + if (yychar <= 0) /* This means end of input. */ + { + yychar1 = 0; + yychar = YYEOF; /* Don't call YYLEX any more */ + +#if YYDEBUG != 0 + if (yydebug) + fprintf(stderr, "Now at end of input.\n"); +#endif + } + else + { + yychar1 = YYTRANSLATE(yychar); + +#if YYDEBUG != 0 + if (yydebug) + { + fprintf (stderr, "Next token is %d (%s", yychar, yytname[yychar1]); + /* Give the individual parser a way to print the precise meaning + of a token, for further debugging info. */ +#ifdef YYPRINT + YYPRINT (stderr, yychar, yylval); +#endif + fprintf (stderr, ")\n"); + } +#endif + } + + yyn += yychar1; + if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != yychar1) + goto yydefault; + + yyn = yytable[yyn]; + + /* yyn is what to do for this token type in this state. + Negative => reduce, -yyn is rule number. + Positive => shift, yyn is new state. + New state is final state => don't bother to shift, + just return success. + 0, or most negative number => error. */ + + if (yyn < 0) + { + if (yyn == YYFLAG) + goto yyerrlab; + yyn = -yyn; + goto yyreduce; + } + else if (yyn == 0) + goto yyerrlab; + + if (yyn == YYFINAL) + YYACCEPT; + + /* Shift the lookahead token. */ + +#if YYDEBUG != 0 + if (yydebug) + fprintf(stderr, "Shifting token %d (%s), ", yychar, yytname[yychar1]); +#endif + + /* Discard the token being shifted unless it is eof. */ + if (yychar != YYEOF) + yychar = YYEMPTY; + + *++yyvsp = yylval; +#ifdef YYLSP_NEEDED + *++yylsp = yylloc; +#endif + + /* count tokens shifted since error; after three, turn off error status. */ + if (yyerrstatus) yyerrstatus--; + + yystate = yyn; + goto yynewstate; + +/* Do the default action for the current state. */ +yydefault: + + yyn = yydefact[yystate]; + if (yyn == 0) + goto yyerrlab; + +/* Do a reduction. yyn is the number of a rule to reduce with. */ +yyreduce: + yylen = yyr2[yyn]; + if (yylen > 0) + yyval = yyvsp[1-yylen]; /* implement default value of the action */ + +#if YYDEBUG != 0 + if (yydebug) + { + int i; + + fprintf (stderr, "Reducing via rule %d (line %d), ", + yyn, yyrline[yyn]); + + /* Print the symbols being reduced, and their result. */ + for (i = yyprhs[yyn]; yyrhs[i] > 0; i++) + fprintf (stderr, "%s ", yytname[yyrhs[i]]); + fprintf (stderr, " -> %s\n", yytname[yyr1[yyn]]); + } +#endif + + + switch (yyn) { + +case 5: +#line 90 "../../../../asrc/lib/krb5/krb/x-deltat.y" +{ yyval.val = - yyvsp[0].val; ; + break;} +case 8: +#line 92 "../../../../asrc/lib/krb5/krb/x-deltat.y" +{ yyval.val = yyvsp[0].val; ; + break;} +case 9: +#line 94 "../../../../asrc/lib/krb5/krb/x-deltat.y" +{ DO (yyvsp[-2].val, 0, 0, yyvsp[0].val); ; + break;} +case 10: +#line 95 "../../../../asrc/lib/krb5/krb/x-deltat.y" +{ DO ( 0, yyvsp[-2].val, 0, yyvsp[0].val); ; + break;} +case 11: +#line 96 "../../../../asrc/lib/krb5/krb/x-deltat.y" +{ DO ( 0, 0, yyvsp[-2].val, yyvsp[0].val); ; + break;} +case 12: +#line 97 "../../../../asrc/lib/krb5/krb/x-deltat.y" +{ DO ( 0, 0, 0, yyvsp[-1].val); ; + break;} +case 13: +#line 98 "../../../../asrc/lib/krb5/krb/x-deltat.y" +{ DO (yyvsp[-6].val, yyvsp[-4].val, yyvsp[-2].val, yyvsp[0].val); ; + break;} +case 14: +#line 99 "../../../../asrc/lib/krb5/krb/x-deltat.y" +{ DO ( 0, yyvsp[-4].val, yyvsp[-2].val, yyvsp[0].val); ; + break;} +case 15: +#line 100 "../../../../asrc/lib/krb5/krb/x-deltat.y" +{ DO ( 0, yyvsp[-2].val, yyvsp[0].val, 0); ; + break;} +case 17: +#line 105 "../../../../asrc/lib/krb5/krb/x-deltat.y" +{ yyval.val = yyvsp[-2].val * 3600 + yyvsp[0].val; ; + break;} +case 19: +#line 108 "../../../../asrc/lib/krb5/krb/x-deltat.y" +{ yyval.val = yyvsp[-2].val * 60 + yyvsp[0].val; ; + break;} +case 20: +#line 110 "../../../../asrc/lib/krb5/krb/x-deltat.y" +{ yyval.val = 0; ; + break;} +} + /* the action file gets copied in in place of this dollarsign */ +#line 542 "/mit/gnu/share/bison.simple" + + yyvsp -= yylen; + yyssp -= yylen; +#ifdef YYLSP_NEEDED + yylsp -= yylen; +#endif + +#if YYDEBUG != 0 + if (yydebug) + { + short *ssp1 = yyss - 1; + fprintf (stderr, "state stack now"); + while (ssp1 != yyssp) + fprintf (stderr, " %d", *++ssp1); + fprintf (stderr, "\n"); + } +#endif + + *++yyvsp = yyval; + +#ifdef YYLSP_NEEDED + yylsp++; + if (yylen == 0) + { + yylsp->first_line = yylloc.first_line; + yylsp->first_column = yylloc.first_column; + yylsp->last_line = (yylsp-1)->last_line; + yylsp->last_column = (yylsp-1)->last_column; + yylsp->text = 0; + } + else + { + yylsp->last_line = (yylsp+yylen-1)->last_line; + yylsp->last_column = (yylsp+yylen-1)->last_column; + } +#endif + + /* Now "shift" the result of the reduction. + Determine what state that goes to, + based on the state we popped back to + and the rule number reduced by. */ + + yyn = yyr1[yyn]; + + yystate = yypgoto[yyn - YYNTBASE] + *yyssp; + if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp) + yystate = yytable[yystate]; + else + yystate = yydefgoto[yyn - YYNTBASE]; + + goto yynewstate; + +yyerrlab: /* here on detecting error */ + + if (! yyerrstatus) + /* If not already recovering from an error, report this error. */ + { + ++yynerrs; + +#ifdef YYERROR_VERBOSE + yyn = yypact[yystate]; + + if (yyn > YYFLAG && yyn < YYLAST) + { + int size = 0; + char *msg; + int x, count; + + count = 0; + /* Start X at -yyn if nec to avoid negative indexes in yycheck. */ + for (x = (yyn < 0 ? -yyn : 0); + x < (sizeof(yytname) / sizeof(char *)); x++) + if (yycheck[x + yyn] == x) + size += strlen(yytname[x]) + 15, count++; + msg = (char *) malloc(size + 15); + if (msg != 0) + { + strcpy(msg, "parse error"); + + if (count < 5) + { + count = 0; + for (x = (yyn < 0 ? -yyn : 0); + x < (sizeof(yytname) / sizeof(char *)); x++) + if (yycheck[x + yyn] == x) + { + strcat(msg, count == 0 ? ", expecting `" : " or `"); + strcat(msg, yytname[x]); + strcat(msg, "'"); + count++; + } + } + yyerror(msg); + free(msg); + } + else + yyerror ("parse error; also virtual memory exceeded"); + } + else +#endif /* YYERROR_VERBOSE */ + yyerror("parse error"); + } + + goto yyerrlab1; +yyerrlab1: /* here on error raised explicitly by an action */ + + if (yyerrstatus == 3) + { + /* if just tried and failed to reuse lookahead token after an error, discard it. */ + + /* return failure if at end of input */ + if (yychar == YYEOF) + YYABORT; + +#if YYDEBUG != 0 + if (yydebug) + fprintf(stderr, "Discarding token %d (%s).\n", yychar, yytname[yychar1]); +#endif + + yychar = YYEMPTY; + } + + /* Else will try to reuse lookahead token + after shifting the error token. */ + + yyerrstatus = 3; /* Each real token shifted decrements this */ + + goto yyerrhandle; + +yyerrdefault: /* current state does not do anything special for the error token. */ + +#if 0 + /* This is wrong; only states that explicitly want error tokens + should shift them. */ + yyn = yydefact[yystate]; /* If its default is to accept any token, ok. Otherwise pop it.*/ + if (yyn) goto yydefault; +#endif + +yyerrpop: /* pop the current state because it cannot handle the error token */ + + if (yyssp == yyss) YYABORT; + yyvsp--; + yystate = *--yyssp; +#ifdef YYLSP_NEEDED + yylsp--; +#endif + +#if YYDEBUG != 0 + if (yydebug) + { + short *ssp1 = yyss - 1; + fprintf (stderr, "Error: state stack now"); + while (ssp1 != yyssp) + fprintf (stderr, " %d", *++ssp1); + fprintf (stderr, "\n"); + } +#endif + +yyerrhandle: + + yyn = yypact[yystate]; + if (yyn == YYFLAG) + goto yyerrdefault; + + yyn += YYTERROR; + if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != YYTERROR) + goto yyerrdefault; + + yyn = yytable[yyn]; + if (yyn < 0) + { + if (yyn == YYFLAG) + goto yyerrpop; + yyn = -yyn; + goto yyreduce; + } + else if (yyn == 0) + goto yyerrpop; + + if (yyn == YYFINAL) + YYACCEPT; + +#if YYDEBUG != 0 + if (yydebug) + fprintf(stderr, "Shifting error token, "); +#endif + + *++yyvsp = yylval; +#ifdef YYLSP_NEEDED + *++yylsp = yylloc; +#endif + + yystate = yyn; + goto yynewstate; + + yyacceptlab: + /* YYACCEPT comes here. */ + if (yyfree_stacks) + { + free (yyss); + free (yyvs); +#ifdef YYLSP_NEEDED + free (yyls); +#endif + } + return 0; + + yyabortlab: + /* YYABORT comes here. */ + if (yyfree_stacks) + { + free (yyss); + free (yyvs); +#ifdef YYLSP_NEEDED + free (yyls); +#endif + } + return 1; +} +#line 113 "../../../../asrc/lib/krb5/krb/x-deltat.y" + + +static int +mylex (int *intp, char **pp) +{ + int num, c; +#define P (*pp) + char *orig_p = P; + +#ifdef isascii + if (!isascii (*P)) + return 0; +#endif + switch (c = *P++) { + case '-': + case ':': + case 'd': + case 'h': + case 'm': + case 's': + return c; + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + /* XXX assumes ASCII */ + num = c - '0'; + while (isdigit (*P)) { + num *= 10; + num += *P++ - '0'; + } + *intp = num; + return (P - orig_p > 2) ? LONGNUM : NUM; + case ' ': + case '\t': + case '\n': + while (isspace (*P)) + P++; + return WS; + default: + return YYEOF; + } +} + +KRB5_DLLIMP krb5_error_code KRB5_CALLCONV +krb5_string_to_deltat(string, deltatp) + char FAR * string; + krb5_deltat FAR * deltatp; +{ + struct param p; + p.delta = 0; + p.p = string; + if (yyparse (&p)) + return EINVAL; + *deltatp = p.delta; + return 0; +} diff --git a/src/lib/krb5/krb/in_tkt_ktb.c b/src/lib/krb5/krb/in_tkt_ktb.c index 10b920cef..a0ced3372 100644 --- a/src/lib/krb5/krb/in_tkt_ktb.c +++ b/src/lib/krb5/krb/in_tkt_ktb.c @@ -40,14 +40,14 @@ struct keytab_keyproc_arg { * "keyseed" is actually a krb5_keytab, or NULL if we should fetch * from system area. */ -krb5_error_code keytab_keyproc +static krb5_error_code keytab_keyproc PROTOTYPE((krb5_context, const krb5_enctype, krb5_data *, krb5_const_pointer, krb5_keyblock **)); -krb5_error_code +static krb5_error_code keytab_keyproc(context, type, salt, keyseed, key) krb5_context context; const krb5_enctype type; diff --git a/src/lib/krb5/krb/in_tkt_pwd.c b/src/lib/krb5/krb/in_tkt_pwd.c index 00293564e..6e435f28e 100644 --- a/src/lib/krb5/krb/in_tkt_pwd.c +++ b/src/lib/krb5/krb/in_tkt_pwd.c @@ -34,14 +34,14 @@ extern char *krb5_default_pwd_prompt1; /* * key-producing procedure for use by krb5_get_in_tkt_with_password. */ -krb5_error_code pwd_keyproc +static krb5_error_code pwd_keyproc PROTOTYPE((krb5_context, const krb5_enctype, krb5_data *, krb5_const_pointer, krb5_keyblock **)); -krb5_error_code +static krb5_error_code pwd_keyproc(context, type, salt, keyseed, key) krb5_context context; const krb5_enctype type; diff --git a/src/lib/krb5/krb/in_tkt_sky.c b/src/lib/krb5/krb/in_tkt_sky.c index 7371f1e95..21386affc 100644 --- a/src/lib/krb5/krb/in_tkt_sky.c +++ b/src/lib/krb5/krb/in_tkt_sky.c @@ -40,14 +40,14 @@ struct skey_keyproc_arg { * "keyseed" is actually a krb5_keyblock *, or NULL if we should fetch * from system area. */ -krb5_error_code skey_keyproc +static krb5_error_code skey_keyproc PROTOTYPE((krb5_context, const krb5_enctype, krb5_data *, krb5_const_pointer, krb5_keyblock **)); -krb5_error_code +static krb5_error_code skey_keyproc(context, type, salt, keyseed, key) krb5_context context; const krb5_enctype type; diff --git a/src/lib/krb5/krb/init_ctx.c b/src/lib/krb5/krb/init_ctx.c index 862cede94..a6006a591 100644 --- a/src/lib/krb5/krb/init_ctx.c +++ b/src/lib/krb5/krb/init_ctx.c @@ -61,9 +61,26 @@ extern krb5_error_code krb5_vercheck(); extern void krb5_win_ccdll_load(krb5_context context); #endif +static krb5_error_code init_common (); + KRB5_DLLIMP krb5_error_code KRB5_CALLCONV krb5_init_context(context) krb5_context *context; +{ + return init_common (context, FALSE); +} + +KRB5_DLLIMP krb5_error_code KRB5_CALLCONV +krb5_init_secure_context(context) + krb5_context *context; +{ + return init_common (context, TRUE); +} + +static krb5_error_code +init_common (context, secure) + krb5_context *context; + krb5_boolean secure; { krb5_context ctx = 0; krb5_error_code retval; @@ -99,6 +116,8 @@ krb5_init_context(context) memset(ctx, 0, sizeof(struct _krb5_context)); ctx->magic = KV5M_CONTEXT; + ctx->profile_secure = secure; + /* Set the default encryption types, possible defined in krb5/conf */ if ((retval = krb5_set_default_in_tkt_ktypes(ctx, NULL))) goto cleanup; diff --git a/src/lib/krb5/krb/preauth2.c b/src/lib/krb5/krb/preauth2.c index e25485a54..f3da763a2 100644 --- a/src/lib/krb5/krb/preauth2.c +++ b/src/lib/krb5/krb/preauth2.c @@ -375,7 +375,7 @@ krb5_error_code pa_sam(krb5_context context, return(0); } -pa_types_t pa_types[] = { +static pa_types_t pa_types[] = { { KRB5_PADATA_PW_SALT, pa_salt, @@ -414,6 +414,8 @@ krb5_do_preauth(krb5_context context, { int h, i, j, out_pa_list_size; krb5_pa_data *out_pa, **out_pa_list; + krb5_data scratch; + krb5_etype_info etype_info = NULL; krb5_error_code ret; static int paorder[] = { PA_INFO, PA_REAL }; int realdone; @@ -431,6 +433,37 @@ krb5_do_preauth(krb5_context context, for (h=0; h<(sizeof(paorder)/sizeof(paorder[0])); h++) { realdone = 0; for (i=0; in_padata[i] && !realdone; i++) { + /* + * This is really gross, but is necessary to prevent + * lossge when talking to a 1.0.x KDC, which returns an + * erroneous PA-PW-SALT when it returns a KRB-ERROR + * requiring additional preauth. + */ + switch (in_padata[i]->pa_type) { + case KRB5_PADATA_ETYPE_INFO: + if (etype_info) + continue; + scratch.length = in_padata[i]->length; + scratch.data = (char *) in_padata[i]->contents; + ret = decode_krb5_etype_info(&scratch, &etype_info); + if (ret) { + if (out_pa_list) { + out_pa_list[out_pa_list_size++] = NULL; + krb5_free_pa_data(context, out_pa_list); + } + return ret; + } + salt->data = (char *) etype_info[0]->salt; + salt->length = etype_info[0]->length; + break; + case KRB5_PADATA_PW_SALT: + case KRB5_PADATA_AFS3_SALT: + if (etype_info) + continue; + break; + default: + ; + } for (j=0; pa_types[j].type >= 0; j++) { if ((in_padata[i]->pa_type == pa_types[j].type) && (pa_types[j].flags & paorder[h])) { @@ -445,6 +478,8 @@ krb5_do_preauth(krb5_context context, out_pa_list[out_pa_list_size++] = NULL; krb5_free_pa_data(context, out_pa_list); } + if (etype_info) + krb5_free_etype_info(context, etype_info); return(ret); } diff --git a/src/lib/krb5/krb/str_conv.c b/src/lib/krb5/krb/str_conv.c index be7631c60..61113db33 100644 --- a/src/lib/krb5/krb/str_conv.c +++ b/src/lib/krb5/krb/str_conv.c @@ -1,7 +1,7 @@ /* * lib/kadm/str_conv.c * - * Copyright 1995 by the Massachusetts Institute of Technology. + * Copyright 1995, 1999 by the Massachusetts Institute of Technology. * All Rights Reserved. * * Export of this software from the United States of America may @@ -48,6 +48,8 @@ #include "k5-int.h" +/* Salt type conversions */ + /* * Local data structures. */ @@ -57,277 +59,23 @@ struct salttype_lookup_entry { const char * stt_output; /* How to spit it out */ }; -struct deltat_match_entry { - const char * dt_scan_format; /* sscanf format */ - int dt_nmatch; /* Number to match */ - int dt_dindex; /* Day index */ - int dt_hindex; /* Hour index */ - int dt_mindex; /* Minute index */ - int dt_sindex; /* Second index */ -}; - -/* - * Local strings - */ - -/* Salttype strings */ -static const char stype_v5_in[] = "normal"; -static const char stype_v4_in[] = "v4"; -static const char stype_norealm_in[] = "norealm"; -static const char stype_olrealm_in[] = "onlyrealm"; -static const char stype_special_in[] = "special"; -static const char stype_afs3_in[] = "afs3"; -static const char stype_v5_out[] = "Version 5"; -static const char stype_v4_out[] = "Version 4"; -static const char stype_norealm_out[] = "Version 5 - No Realm"; -static const char stype_olrealm_out[] = "Version 5 - Realm Only"; -static const char stype_special_out[] = "Special"; -static const char stype_afs3_out[] = "AFS version 3"; - -/* Absolute time strings */ -static const char atime_full_digits[] = "%y%m%d%H%M%S"; -static const char atime_full_digits_d[] = "%y.%m.%d.%H.%M.%S"; -static const char atime_full_digits_Y[] = "%Y%m%d%H%M%S"; -static const char atime_full_digits_Yd[]= "%Y.%m.%d.%H.%M.%S"; -static const char atime_nsec_digits[] = "%y%m%d%H%M"; -static const char atime_rel_hms[] = "%H%M%S"; -static const char atime_rel_hm[] = "%H%M"; -static const char atime_rel_col_hms[] = "%T"; -static const char atime_rel_col_hm[] = "%R"; -static const char atime_ldep_sfmt[] = "%x:%X"; -static const char atime_full_text[] = "%d-%b-%Y:%T"; -static const char atime_full_text_nos[] = "%d-%b-%Y:%R"; -#if !HAVE_STRPTIME -static const char ascan_full_digits[] = "%02d%02d%02d%02d%02d%02d"; -static const char ascan_full_digits_d[] = "%02d.%02d.%02d.%02d.%02d.%02d"; -static const char ascan_full_digits_Y[] = "%4d%02d%02d%02d%02d%02d"; -static const char ascan_full_digits_Yd[]= "%4d.%02d.%02d.%02d.%02d.%02d"; -static const char ascan_nsec_digits[] = "%02d%02d%02d%02d%02d"; -static const char ascan_rel_hms[] = "%02d%02d%02d"; -static const char ascan_rel_hm[] = "%02d%02d"; -static const char ascan_rel_col_hms[] = "%02d:%02d:%02d"; -static const char ascan_rel_col_hm[] = "%02d:%02d"; -#endif /* !HAVE_STRPTIME */ -#ifdef HAVE_STRFTIME -static const char sftime_ldep_time[] = "%c"; -static const char sftime_med_fmt[] = "%d %b %Y %T"; -static const char sftime_short_fmt[] = "%x %X"; -static const char sftime_last_fmt[] = "%d/%m/%Y %R"; -#endif /* HAVE_STRFTIME */ -#define sftime_default_fmt "%02d/%02d/%4d %02d:%02d" -static const size_t sftime_default_len = 2+1+2+1+4+1+2+1+2+1; - -/* Delta time strings */ -static const char dtscan_dhms_notext[] = "%d-%02d:%02d:%02d"; -static const char dtscan_dhms_stext[] = "%dd%dh%dm%ds"; -static const char dtscan_hms_notext[] = "%d:%02d:%02d"; -static const char dtscan_hms_stext[] = "%dh%dm%ds"; -static const char dtscan_hm_notext[] = "%d:%02d"; -static const char dtscan_hm_stext[] = "%dh%dm"; -static const char dtscan_days[] = "%d%[d]"; -static const char dtscan_hours[] = "%d%[h]"; -static const char dtscan_minutes[] = "%d%[m]"; -static const char dtscan_seconds[] = "%d%[s]"; -static const char dt_day_singular[] = "day"; -static const char dt_day_plural[] = "days"; -#define dt_output_donly "%d %s" -#define dt_output_dhms "%d %s %02d:%02d:%02d" -#define dt_output_hms "%d:%02d:%02d" - /* * Lookup tables. */ static const struct salttype_lookup_entry salttype_table[] = { -/* salt type input specifier output string */ -/*----------------------------- ----------------------- ------------------*/ -{ KRB5_KDB_SALTTYPE_NORMAL, stype_v5_in, stype_v5_out }, -{ KRB5_KDB_SALTTYPE_V4, stype_v4_in, stype_v4_out }, -{ KRB5_KDB_SALTTYPE_NOREALM, stype_norealm_in, stype_norealm_out }, -{ KRB5_KDB_SALTTYPE_ONLYREALM, stype_olrealm_in, stype_olrealm_out }, -{ KRB5_KDB_SALTTYPE_SPECIAL, stype_special_in, stype_special_out }, -{ KRB5_KDB_SALTTYPE_AFS3, stype_afs3_in, stype_afs3_out } +/* salt type input specifier output string */ +/*----------------------------- --------------- ---------------*/ +{ KRB5_KDB_SALTTYPE_NORMAL, "normal", "Version 5" }, +{ KRB5_KDB_SALTTYPE_V4, "v4", "Version 4" }, +{ KRB5_KDB_SALTTYPE_NOREALM, "norealm", "Version 5 - No Realm" }, +{ KRB5_KDB_SALTTYPE_ONLYREALM, "onlyrealm", "Version 5 - Realm Only" }, +{ KRB5_KDB_SALTTYPE_SPECIAL, "special", "Special" }, +{ KRB5_KDB_SALTTYPE_AFS3, "afs3", "AFS version 3" } }; static const int salttype_table_nents = sizeof(salttype_table)/ sizeof(salttype_table[0]); -static const char * const atime_format_table[] = { -atime_full_digits_Y, /* yyyymmddhhmmss */ -atime_full_digits_Yd, /* yyyy.mm.dd.hh.mm.ss */ -atime_full_digits, /* yymmddhhmmss */ -atime_full_digits_d, /* yy.mm.dd.hh.mm.ss */ -atime_nsec_digits, /* yymmddhhmm */ -atime_rel_hms, /* hhmmss */ -atime_rel_hm, /* hhmm */ -atime_rel_col_hms, /* hh:mm:ss */ -atime_rel_col_hm, /* hh:mm */ -/* The following not really supported unless native strptime present */ -atime_ldep_sfmt, /*locale-dependent short format */ -atime_full_text, /* dd-month-yyyy:hh:mm:ss */ -atime_full_text_nos /* dd-month-yyyy:hh:mm */ -}; -static const int atime_format_table_nents = sizeof(atime_format_table)/ - sizeof(atime_format_table[0]); - -#ifdef HAVE_STRFTIME -static const char * const sftime_format_table[] = { -sftime_ldep_time, /* Default locale-dependent date and time */ -sftime_med_fmt, /* dd mon yy hh:mm:ss */ -sftime_short_fmt, /* locale-dependent short format */ -sftime_last_fmt /* dd/mm/yy hh:mm */ -}; -static const int sftime_format_table_nents = sizeof(sftime_format_table)/ - sizeof(sftime_format_table[0]); -#endif /* HAVE_STRFTIME */ - -static const struct deltat_match_entry deltat_table[] = { -/* scan format nmatch daypos hourpos minpos secpos */ -/*--------------------- ------- ------- ------- ------- --------*/ -{ dtscan_dhms_notext, 4, 0, 1, 2, 3 }, -{ dtscan_dhms_stext, 4, 0, 1, 2, 3 }, -{ dtscan_hms_notext, 3, -1, 0, 1, 2 }, -{ dtscan_hms_stext, 3, -1, 0, 1, 2 }, -{ dtscan_hm_notext, 2, -1, -1, 0, 1 }, -{ dtscan_hm_stext, 2, -1, -1, 0, 1 }, -{ dtscan_days, 2, 0, -1, -1, -1 }, -{ dtscan_hours, 2, -1, 0, -1, -1 }, -{ dtscan_minutes, 2, -1, -1, 0, -1 }, -{ dtscan_seconds, 2, -1, -1, -1, 0 } -}; -static const int deltat_table_nents = sizeof(deltat_table)/ - sizeof(deltat_table[0]); - -#if !HAVE_STRPTIME -/* - * Rudimentary version of strptime for systems which don't have it. - */ -static char * -strptime(buf, format, tm) - char *buf; - const char *format; - struct tm *tm; -{ - int year, month, day, hour, minute, second; - char *bp; - time_t now; - - /* - * We only understand the following fixed formats: - * %Y%m%d%H%M%S - * %Y.%m.%d.%H.%M.%S - * %y%m%d%H%M%S - * %y.%m.%d.%H.%M.%S - * %y%m%d%H%M - * %H%M%S - * %H%M - * %T - * %R - */ - bp = (char *) NULL; - if (!strcmp(format, atime_full_digits_Y) && - (sscanf(buf, ascan_full_digits_Y, - &year, &month, &day, &hour, &minute, &second) == 6)) { - if (year < 1900) - return NULL; - tm->tm_year = year-1900; - tm->tm_mon = month - 1; - tm->tm_mday = day; - tm->tm_hour = hour; - tm->tm_min = minute; - tm->tm_sec = second; - bp = &buf[strlen(atime_full_digits)]; - } - else if (!strcmp(format,atime_full_digits_Yd) && - (sscanf(buf, ascan_full_digits_Yd, - &year, &month, &day, &hour, &minute, &second) == 6)) { - if (year < 1900) - return NULL; - tm->tm_year = year-1900; - tm->tm_mon = month - 1; - tm->tm_mday = day; - tm->tm_hour = hour; - tm->tm_min = minute; - tm->tm_sec = second; - bp = &buf[strlen(atime_full_digits_d)]; - } - else if (!strcmp(format, atime_full_digits) && - (sscanf(buf, ascan_full_digits, - &year, &month, &day, &hour, &minute, &second) == 6)) { - if (year <= 68) - year += 100; - tm->tm_year = year; - tm->tm_mon = month - 1; - tm->tm_mday = day; - tm->tm_hour = hour; - tm->tm_min = minute; - tm->tm_sec = second; - bp = &buf[strlen(atime_full_digits)]; - } - else if (!strcmp(format,atime_full_digits_d) && - (sscanf(buf, ascan_full_digits_d, - &year, &month, &day, &hour, &minute, &second) == 6)) { - if (year <= 68) - year += 100; - tm->tm_year = year; - tm->tm_mon = month - 1; - tm->tm_mday = day; - tm->tm_hour = hour; - tm->tm_min = minute; - tm->tm_sec = second; - bp = &buf[strlen(atime_full_digits_d)]; - } - else if (!strcmp(format, atime_nsec_digits) && - (sscanf(buf, ascan_nsec_digits, - &year, &month, &day, &hour, &minute) == 5)) { - if (year <= 68) - year += 100; - tm->tm_year = year; - tm->tm_mon = month - 1; - tm->tm_mday = day; - tm->tm_hour = hour; - tm->tm_min = minute; - tm->tm_sec = 0; - bp = &buf[strlen(atime_nsec_digits)]; - } - else if (!strcmp(format, atime_rel_hms) && - (sscanf(buf, ascan_rel_hms, &hour, &minute, &second) == 3)) { - now = time((time_t *) NULL); - memcpy(tm, localtime(&now), sizeof(struct tm)); - tm->tm_hour = hour; - tm->tm_min = minute; - tm->tm_sec = second; - bp = &buf[strlen(atime_rel_hms)]; - } - else if (!strcmp(format, atime_rel_hm) && - (sscanf(buf, ascan_rel_hm, &hour, &minute) == 2)) { - now = time((time_t *) NULL); - memcpy(tm, localtime(&now), sizeof(struct tm)); - tm->tm_hour = hour; - tm->tm_min = minute; - bp = &buf[strlen(atime_rel_hm)]; - } - else if (!strcmp(format, atime_rel_col_hms) && - (sscanf(buf, ascan_rel_col_hms, &hour, &minute, &second) == 3)) { - now = time((time_t *) NULL); - memcpy(tm, localtime(&now), sizeof(struct tm)); - tm->tm_hour = hour; - tm->tm_min = minute; - tm->tm_sec = second; - bp = &buf[strlen(atime_rel_col_hms)]; - } - else if (!strcmp(format, atime_rel_col_hm) && - (sscanf(buf, ascan_rel_col_hm, &hour, &minute) == 2)) { - now = time((time_t *) NULL); - memcpy(tm, localtime(&now), sizeof(struct tm)); - tm->tm_hour = hour; - tm->tm_min = minute; - bp = &buf[strlen(atime_rel_col_hm)]; - } else - return NULL; - return bp; -} -#endif /* HAVE_STRPTIME */ - KRB5_DLLIMP krb5_error_code KRB5_CALLCONV krb5_string_to_salttype(string, salttypep) char FAR * string; @@ -347,79 +95,6 @@ krb5_string_to_salttype(string, salttypep) return((found) ? 0 : EINVAL); } -KRB5_DLLIMP krb5_error_code KRB5_CALLCONV -krb5_string_to_timestamp(string, timestampp) - char FAR * string; - krb5_timestamp FAR * timestampp; -{ - int i; - struct tm timebuf; - time_t now, ret_time; - char *s; - - now = time((time_t *) NULL); - for (i=0; i= 0) - days = svalues[deltat_table[i].dt_dindex]; - if (deltat_table[i].dt_hindex >= 0) - hours = svalues[deltat_table[i].dt_hindex]; - if (deltat_table[i].dt_mindex >= 0) - minutes = svalues[deltat_table[i].dt_mindex]; - if (deltat_table[i].dt_sindex >= 0) - seconds = svalues[deltat_table[i].dt_sindex]; - found = 1; - break; - } - } - if (found) { - dt = days; - dt *= 24; - dt += hours; - dt *= 60; - dt += minutes; - dt *= 60; - dt += seconds; - *deltatp = dt; - } - return((found) ? 0 : EINVAL); -} - /* * Internal datatype to string routines. * @@ -452,6 +127,69 @@ krb5_salttype_to_string(salttype, buffer, buflen) else return(EINVAL); } + +/* (absolute) time conversions */ + +#ifndef HAVE_STRFTIME +#undef strftime +#define strftime my_strftime +static size_t strftime (char *, size_t, const char *, const struct tm *); +#endif + +#ifndef HAVE_STRPTIME +#undef strptime +#define strptime my_strptime +static char *strptime (const char *, const char *, struct tm *); +#endif + +KRB5_DLLIMP krb5_error_code KRB5_CALLCONV +krb5_string_to_timestamp(string, timestampp) + char FAR * string; + krb5_timestamp FAR * timestampp; +{ + int i; + struct tm timebuf; + time_t now, ret_time; + char *s; + static const char * const atime_format_table[] = { + "%Y%m%d%H%M%S", /* yyyymmddhhmmss */ + "%Y.%m.%d.%H.%M.%S", /* yyyy.mm.dd.hh.mm.ss */ + "%y%m%d%H%M%S", /* yymmddhhmmss */ + "%y.%m.%d.%H.%M.%S", /* yy.mm.dd.hh.mm.ss */ + "%y%m%d%H%M", /* yymmddhhmm */ + "%H%M%S", /* hhmmss */ + "%H%M", /* hhmm */ + "%T", /* hh:mm:ss */ + "%R", /* hh:mm */ + /* The following not really supported unless native strptime present */ + "%x:%X", /* locale-dependent short format */ + "%d-%b-%Y:%T", /* dd-month-yyyy:hh:mm:ss */ + "%d-%b-%Y:%R" /* dd-month-yyyy:hh:mm */ + }; + static const int atime_format_table_nents = + sizeof(atime_format_table)/sizeof(atime_format_table[0]); + + + now = time((time_t *) NULL); + for (i=0; i= buflen) - return ENOMEM; - strcpy(buffer, cp); - /* ctime returns \n\0 */ - buffer[strlen(buffer)-1] = '\0'; - return(0); -#endif /* HAVE_STRFTIME */ } KRB5_DLLIMP krb5_error_code KRB5_CALLCONV @@ -490,18 +216,27 @@ krb5_timestamp_to_sfstring(timestamp, buffer, buflen, pad) struct tm *tmp; size_t i; size_t ndone; + time_t timestamp2 = timestamp; - tmp = localtime((time_t *) ×tamp); + static const char * const sftime_format_table[] = { + "%c", /* Default locale-dependent date and time */ + "%d %b %Y %T", /* dd mon yyyy hh:mm:ss */ + "%x %X", /* locale-dependent short format */ + "%d/%m/%Y %R" /* dd/mm/yyyy hh:mm */ + }; + static const int sftime_format_table_nents = + sizeof(sftime_format_table)/sizeof(sftime_format_table[0]); + + tmp = localtime(×tamp2); ndone = 0; -#if HAVE_STRFTIME for (i=0; i= sftime_default_len) { - sprintf(buffer, sftime_default_fmt, + sprintf(buffer, "%02d/%02d/%4d %02d:%02d", tmp->tm_mday, tmp->tm_mon+1, 1900+tmp->tm_year, tmp->tm_hour, tmp->tm_min); ndone = strlen(buffer); @@ -514,6 +249,10 @@ krb5_timestamp_to_sfstring(timestamp, buffer, buflen, pad) } return((ndone) ? 0 : ENOMEM); } + +/* relative time (delta-t) conversions */ + +/* string->deltat is in deltat.y */ KRB5_DLLIMP krb5_error_code KRB5_CALLCONV krb5_deltat_to_string(deltat, buffer, buflen) @@ -523,38 +262,101 @@ krb5_deltat_to_string(deltat, buffer, buflen) { int days, hours, minutes, seconds; krb5_deltat dt; - krb5_error_code retval; - days = (int) (deltat / (24*3600l)); - dt = deltat % (24*3600l); + /* + * We want something like ceil(log10(2**(nbits-1))) + 1. That log + * value is log10(2)*(nbits-1) or log10(2**8)*(nbits-1)/8. So, + * 2.4... is log10(256), rounded up. Add one to handle leading + * minus, and one more to force int cast to round the value up. + * This doesn't include room for a trailing nul. + * + * This will break if bytes are more than 8 bits. + */ +#define MAX_CHARS_FOR_INT_TYPE(TYPE) ((int) (2 + 2.408241 * sizeof (TYPE))) + char tmpbuf[MAX_CHARS_FOR_INT_TYPE(int) * 4 + 8]; + + days = (int) (deltat / (24*3600L)); + dt = deltat % (24*3600L); hours = (int) (dt / 3600); dt %= 3600; minutes = (int) (dt / 60); seconds = (int) (dt % 60); - retval = 0; - if (days) { - if (hours || minutes || seconds) { - if (buflen < (strlen(dt_output_dhms)+strlen(dt_day_plural))) - retval = ENOMEM; - else - sprintf(buffer, dt_output_dhms, days, - (days > 1) ? dt_day_plural : dt_day_singular, - hours, minutes, seconds); - } - else { - if (buflen < (strlen(dt_output_donly)+strlen(dt_day_plural))) - retval = ENOMEM; - else - sprintf(buffer, dt_output_donly, days, - (days > 1) ? dt_day_plural : dt_day_singular); - } - } - else { - if (buflen < strlen(dt_output_hms)) - retval = ENOMEM; - else - sprintf(buffer, dt_output_hms, hours, minutes, seconds); - } - return(retval); + memset (tmpbuf, 0, sizeof (tmpbuf)); + if (days == 0) + sprintf(buffer, "%d:%02d:%02d", hours, minutes, seconds); + else if (hours || minutes || seconds) + sprintf(buffer, "%d %s %02d:%02d:%02d", days, + (days > 1) ? "days" : "day", + hours, minutes, seconds); + else + sprintf(buffer, "%d %s", days, + (days > 1) ? "days" : "day"); + if (tmpbuf[sizeof(tmpbuf)-1] != 0) + /* Something must be very wrong with my math above, or the + assumptions going into it... */ + abort (); + if (strlen (tmpbuf) > buflen) + return ENOMEM; + else + strncpy (buffer, tmpbuf, buflen); + return 0; } + +#undef __P +#define __P(X) X + +#if !defined (HAVE_STRFTIME) || !defined (HAVE_STRPTIME) +#undef _CurrentTimeLocale +#define _CurrentTimeLocale (&dummy_locale_info) + +struct dummy_locale_info_t { + char d_t_fmt[15]; + char t_fmt_ampm[12]; + char t_fmt[9]; + char d_fmt[9]; + char day[7][10]; + char abday[7][4]; + char mon[12][10]; + char abmon[12][4]; + char am_pm[2][3]; +}; +static const struct dummy_locale_info_t dummy_locale_info = { + "%a %b %d %X %Y", /* %c */ + "%I:%M:%S %p", /* %r */ + "%H:%M:%S", /* %X */ + "%m/%d/%y", /* %x */ + { "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", + "Saturday" }, + { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" }, + { "January", "February", "March", "April", "May", "June", + "July", "August", "September", "October", "November", "December" }, + { "Jan", "Feb", "Mar", "Apr", "May", "Jun", + "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" }, + { "AM", "PM" }, +}; +#undef TM_YEAR_BASE +#define TM_YEAR_BASE 1900 +#endif + +#ifndef HAVE_STRFTIME +#undef DAYSPERLYEAR +#define DAYSPERLYEAR 366 +#undef DAYSPERNYEAR +#define DAYSPERNYEAR 365 +#undef DAYSPERWEEK +#define DAYSPERWEEK 7 +#undef isleap +#define isleap(N) ((N % 4) == 0 && (N % 100 != 0 || N % 400 == 0)) +#undef tzname +#define tzname my_tzname +static const char *const tzname[2] = { 0, 0 }; +#undef tzset +#define tzset() + +#include "strftime.c" +#endif + +#ifndef HAVE_STRPTIME +#include "strptime.c" +#endif diff --git a/src/lib/krb5/krb/strftime.c b/src/lib/krb5/krb/strftime.c new file mode 100644 index 000000000..f2a5cb719 --- /dev/null +++ b/src/lib/krb5/krb/strftime.c @@ -0,0 +1,415 @@ +/* $NetBSD: strftime.c,v 1.8 1999/02/07 17:33:30 augustss Exp $ */ + +/* + * Copyright (c) 1989 The Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +#if 0 +static char *sccsid = "@(#)strftime.c 5.11 (Berkeley) 2/24/91"; +#else +__RCSID("$NetBSD: strftime.c,v 1.8 1999/02/07 17:33:30 augustss Exp $"); +#endif +#endif /* LIBC_SCCS and not lint */ + +#include +#include + +static int _add __P((const char *, char **, const char *)); +static int _conv __P((int, int, int, char **, const char *)); +static int _secs __P((const struct tm *, char **, const char *)); +static size_t _fmt __P((const char *, const struct tm *, char **, + const char *)); + +static size_t +strftime(s, maxsize, format, t) + char *s; + size_t maxsize; + const char *format; + const struct tm *t; +{ + char *pt; + + tzset(); + if (maxsize < 1) + return (0); + + pt = s; + if (_fmt(format, t, &pt, s + maxsize)) { + *pt = '\0'; + return (pt - s); + } else + return (0); +} + +#define SUN_WEEK(t) (((t)->tm_yday + 7 - \ + ((t)->tm_wday)) / 7) +#define MON_WEEK(t) (((t)->tm_yday + 7 - \ + ((t)->tm_wday ? (t)->tm_wday - 1 : 6)) / 7) + +static size_t +_fmt(format, t, pt, ptlim) + const char *format; + const struct tm *t; + char **pt; + const char * const ptlim; +{ + for (; *format; ++format) { + if (*format == '%') { + ++format; + if (*format == 'E') { + /* Alternate Era */ + ++format; + } else if (*format == 'O') { + /* Alternate numeric symbols */ + ++format; + } + switch (*format) { + case '\0': + --format; + break; + case 'A': + if (t->tm_wday < 0 || t->tm_wday > 6) + return (0); + if (!_add(_CurrentTimeLocale->day[t->tm_wday], + pt, ptlim)) + return (0); + continue; + + case 'a': + if (t->tm_wday < 0 || t->tm_wday > 6) + return (0); + if (!_add(_CurrentTimeLocale->abday[t->tm_wday], + pt, ptlim)) + return (0); + continue; + case 'B': + if (t->tm_mon < 0 || t->tm_mon > 11) + return (0); + if (!_add(_CurrentTimeLocale->mon[t->tm_mon], + pt, ptlim)) + return (0); + continue; + case 'b': + case 'h': + if (t->tm_mon < 0 || t->tm_mon > 11) + return (0); + if (!_add(_CurrentTimeLocale->abmon[t->tm_mon], + pt, ptlim)) + return (0); + continue; + case 'C': + if (!_conv((t->tm_year + TM_YEAR_BASE) / 100, + 2, '0', pt, ptlim)) + return (0); + continue; + case 'c': + if (!_fmt(_CurrentTimeLocale->d_t_fmt, t, pt, + ptlim)) + return (0); + continue; + case 'D': + if (!_fmt("%m/%d/%y", t, pt, ptlim)) + return (0); + continue; + case 'd': + if (!_conv(t->tm_mday, 2, '0', pt, ptlim)) + return (0); + continue; + case 'e': + if (!_conv(t->tm_mday, 2, ' ', pt, ptlim)) + return (0); + continue; + case 'H': + if (!_conv(t->tm_hour, 2, '0', pt, ptlim)) + return (0); + continue; + case 'I': + if (!_conv(t->tm_hour % 12 ? + t->tm_hour % 12 : 12, 2, '0', pt, ptlim)) + return (0); + continue; + case 'j': + if (!_conv(t->tm_yday + 1, 3, '0', pt, ptlim)) + return (0); + continue; + case 'k': + if (!_conv(t->tm_hour, 2, ' ', pt, ptlim)) + return (0); + continue; + case 'l': + if (!_conv(t->tm_hour % 12 ? + t->tm_hour % 12: 12, 2, ' ', pt, ptlim)) + return (0); + continue; + case 'M': + if (!_conv(t->tm_min, 2, '0', pt, ptlim)) + return (0); + continue; + case 'm': + if (!_conv(t->tm_mon + 1, 2, '0', pt, ptlim)) + return (0); + continue; + case 'n': + if (!_add("\n", pt, ptlim)) + return (0); + continue; + case 'p': + if (!_add(_CurrentTimeLocale->am_pm[t->tm_hour + >= 12], pt, ptlim)) + return (0); + continue; + case 'R': + if (!_fmt("%H:%M", t, pt, ptlim)) + return (0); + continue; + case 'r': + if (!_fmt(_CurrentTimeLocale->t_fmt_ampm, t, pt, + ptlim)) + return (0); + continue; + case 'S': + if (!_conv(t->tm_sec, 2, '0', pt, ptlim)) + return (0); + continue; + case 's': + if (!_secs(t, pt, ptlim)) + return (0); + continue; + case 'T': + if (!_fmt("%H:%M:%S", t, pt, ptlim)) + return (0); + continue; + case 't': + if (!_add("\t", pt, ptlim)) + return (0); + continue; + case 'U': + if (!_conv(SUN_WEEK(t), 2, '0', pt, ptlim)) + return (0); + continue; + case 'u': + if (!_conv(t->tm_wday ? t->tm_wday : 7, 1, '0', + pt, ptlim)) + return (0); + continue; + case 'V': /* ISO 8601 week number */ + case 'G': /* ISO 8601 year (four digits) */ + case 'g': /* ISO 8601 year (two digits) */ +/* +** From Arnold Robbins' strftime version 3.0: "the week number of the +** year (the first Monday as the first day of week 1) as a decimal number +** (01-53)." +** (ado, 1993-05-24) +** +** From "http://www.ft.uni-erlangen.de/~mskuhn/iso-time.html" by Markus Kuhn: +** "Week 01 of a year is per definition the first week which has the +** Thursday in this year, which is equivalent to the week which contains +** the fourth day of January. In other words, the first week of a new year +** is the week which has the majority of its days in the new year. Week 01 +** might also contain days from the previous year and the week before week +** 01 of a year is the last week (52 or 53) of the previous year even if +** it contains days from the new year. A week starts with Monday (day 1) +** and ends with Sunday (day 7). For example, the first week of the year +** 1997 lasts from 1996-12-30 to 1997-01-05..." +** (ado, 1996-01-02) +*/ + { + int year; + int yday; + int wday; + int w; + + year = t->tm_year + TM_YEAR_BASE; + yday = t->tm_yday; + wday = t->tm_wday; + for ( ; ; ) { + int len; + int bot; + int top; + + len = isleap(year) ? + DAYSPERLYEAR : + DAYSPERNYEAR; + /* + ** What yday (-3 ... 3) does + ** the ISO year begin on? + */ + bot = ((yday + 11 - wday) % + DAYSPERWEEK) - 3; + /* + ** What yday does the NEXT + ** ISO year begin on? + */ + top = bot - + (len % DAYSPERWEEK); + if (top < -3) + top += DAYSPERWEEK; + top += len; + if (yday >= top) { + ++year; + w = 1; + break; + } + if (yday >= bot) { + w = 1 + ((yday - bot) / + DAYSPERWEEK); + break; + } + --year; + yday += isleap(year) ? + DAYSPERLYEAR : + DAYSPERNYEAR; + } +#ifdef XPG4_1994_04_09 + if ((w == 52 + && t->tm_mon == TM_JANUARY) + || (w == 1 + && t->tm_mon == TM_DECEMBER)) + w = 53; +#endif /* defined XPG4_1994_04_09 */ + if (*format == 'V') { + if (!_conv(w, 2, '0', + pt, ptlim)) + return (0); + } else if (*format == 'g') { + if (!_conv(year % 100, 2, '0', + pt, ptlim)) + return (0); + } else if (!_conv(year, 4, '0', + pt, ptlim)) + return (0); + } + continue; + case 'W': + if (!_conv(MON_WEEK(t), 2, '0', pt, ptlim)) + return (0); + continue; + case 'w': + if (!_conv(t->tm_wday, 1, '0', pt, ptlim)) + return (0); + continue; + case 'x': + if (!_fmt(_CurrentTimeLocale->d_fmt, t, pt, + ptlim)) + return (0); + continue; + case 'X': + if (!_fmt(_CurrentTimeLocale->t_fmt, t, pt, + ptlim)) + return (0); + continue; + case 'y': + if (!_conv((t->tm_year + TM_YEAR_BASE) % 100, + 2, '0', pt, ptlim)) + return (0); + continue; + case 'Y': + if (!_conv((t->tm_year + TM_YEAR_BASE), 4, '0', + pt, ptlim)) + return (0); + continue; + case 'Z': + if (tzname[t->tm_isdst ? 1 : 0] && + !_add(tzname[t->tm_isdst ? 1 : 0], pt, + ptlim)) + return (0); + continue; + case '%': + /* + * X311J/88-090 (4.12.3.5): if conversion char is + * undefined, behavior is undefined. Print out the + * character itself as printf(3) does. + */ + default: + break; + } + } + if (*pt == ptlim) + return (0); + *(*pt)++ = *format; + } + return (ptlim - *pt); +} + +static int +_secs(t, pt, ptlim) + const struct tm *t; + char **pt; + const char * const ptlim; +{ + char buf[15]; + time_t s; + char *p; + struct tm tmp; + + buf[sizeof (buf) - 1] = '\0'; + /* Make a copy, mktime(3) modifies the tm struct. */ + tmp = *t; + s = mktime(&tmp); + for (p = buf + sizeof(buf) - 2; s > 0 && p > buf; s /= 10) + *p-- = (char)(s % 10 + '0'); + return (_add(++p, pt, ptlim)); +} + +static int +_conv(n, digits, pad, pt, ptlim) + int n, digits; + int pad; + char **pt; + const char * const ptlim; +{ + char buf[10]; + char *p; + + buf[sizeof (buf) - 1] = '\0'; + for (p = buf + sizeof(buf) - 2; n > 0 && p > buf; n /= 10, --digits) + *p-- = n % 10 + '0'; + while (p > buf && digits-- > 0) + *p-- = pad; + return (_add(++p, pt, ptlim)); +} + +static int +_add(str, pt, ptlim) + const char *str; + char **pt; + const char * const ptlim; +{ + + for (;; ++(*pt)) { + if (*pt == ptlim) + return (0); + if ((**pt = *str++) == '\0') + return (1); + } +} diff --git a/src/lib/krb5/krb/strptime.c b/src/lib/krb5/krb/strptime.c new file mode 100644 index 000000000..ac52d5c22 --- /dev/null +++ b/src/lib/krb5/krb/strptime.c @@ -0,0 +1,386 @@ +/* $NetBSD: strptime.c,v 1.18 1999/04/29 02:58:30 tv Exp $ */ + +/*- + * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code was contributed to The NetBSD Foundation by Klaus Klein. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the NetBSD + * Foundation, Inc. and its contributors. + * 4. Neither the name of The NetBSD Foundation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +__RCSID("$NetBSD: strptime.c,v 1.18 1999/04/29 02:58:30 tv Exp $"); +#endif + +#include +#include +#include + +#undef _ctloc +#define _ctloc(x) _CurrentTimeLocale->x + +/* + * We do not implement alternate representations. However, we always + * check whether a given modifier is allowed for a certain conversion. + */ +#define ALT_E 0x01 +#define ALT_O 0x02 +#define LEGAL_ALT(x) { if (alt_format & ~(x)) return (0); } + + +static int conv_num __P((const char **, int *, int, int)); + + +static char * +strptime(buf, fmt, tm) + const char *buf, *fmt; + struct tm *tm; +{ + char c; + const char *bp; + size_t len = 0; + int alt_format, i, split_year = 0; + + bp = buf; + + while ((c = *fmt) != '\0') { + /* Clear `alternate' modifier prior to new conversion. */ + alt_format = 0; + + /* Eat up white-space. */ + if (isspace(c)) { + while (isspace(*bp)) + bp++; + + fmt++; + continue; + } + + if ((c = *fmt++) != '%') + goto literal; + + +again: switch (c = *fmt++) { + case '%': /* "%%" is converted to "%". */ +literal: + if (c != *bp++) + return (0); + break; + + /* + * "Alternative" modifiers. Just set the appropriate flag + * and start over again. + */ + case 'E': /* "%E?" alternative conversion modifier. */ + LEGAL_ALT(0); + alt_format |= ALT_E; + goto again; + + case 'O': /* "%O?" alternative conversion modifier. */ + LEGAL_ALT(0); + alt_format |= ALT_O; + goto again; + + /* + * "Complex" conversion rules, implemented through recursion. + */ + case 'c': /* Date and time, using the locale's format. */ + LEGAL_ALT(ALT_E); + if (!(bp = strptime(bp, _ctloc(d_t_fmt), tm))) + return (0); + break; + + case 'D': /* The date as "%m/%d/%y". */ + LEGAL_ALT(0); + if (!(bp = strptime(bp, "%m/%d/%y", tm))) + return (0); + break; + + case 'R': /* The time as "%H:%M". */ + LEGAL_ALT(0); + if (!(bp = strptime(bp, "%H:%M", tm))) + return (0); + break; + + case 'r': /* The time in 12-hour clock representation. */ + LEGAL_ALT(0); + if (!(bp = strptime(bp, _ctloc(t_fmt_ampm), tm))) + return (0); + break; + + case 'T': /* The time as "%H:%M:%S". */ + LEGAL_ALT(0); + if (!(bp = strptime(bp, "%H:%M:%S", tm))) + return (0); + break; + + case 'X': /* The time, using the locale's format. */ + LEGAL_ALT(ALT_E); + if (!(bp = strptime(bp, _ctloc(t_fmt), tm))) + return (0); + break; + + case 'x': /* The date, using the locale's format. */ + LEGAL_ALT(ALT_E); + if (!(bp = strptime(bp, _ctloc(d_fmt), tm))) + return (0); + break; + + /* + * "Elementary" conversion rules. + */ + case 'A': /* The day of week, using the locale's form. */ + case 'a': + LEGAL_ALT(0); + for (i = 0; i < 7; i++) { + /* Full name. */ + len = strlen(_ctloc(day[i])); + if (strncasecmp(_ctloc(day[i]), bp, len) == 0) + break; + + /* Abbreviated name. */ + len = strlen(_ctloc(abday[i])); + if (strncasecmp(_ctloc(abday[i]), bp, len) == 0) + break; + } + + /* Nothing matched. */ + if (i == 7) + return (0); + + tm->tm_wday = i; + bp += len; + break; + + case 'B': /* The month, using the locale's form. */ + case 'b': + case 'h': + LEGAL_ALT(0); + for (i = 0; i < 12; i++) { + /* Full name. */ + len = strlen(_ctloc(mon[i])); + if (strncasecmp(_ctloc(mon[i]), bp, len) == 0) + break; + + /* Abbreviated name. */ + len = strlen(_ctloc(abmon[i])); + if (strncasecmp(_ctloc(abmon[i]), bp, len) == 0) + break; + } + + /* Nothing matched. */ + if (i == 12) + return (0); + + tm->tm_mon = i; + bp += len; + break; + + case 'C': /* The century number. */ + LEGAL_ALT(ALT_E); + if (!(conv_num(&bp, &i, 0, 99))) + return (0); + + if (split_year) { + tm->tm_year = (tm->tm_year % 100) + (i * 100); + } else { + tm->tm_year = i * 100; + split_year = 1; + } + break; + + case 'd': /* The day of month. */ + case 'e': + LEGAL_ALT(ALT_O); + if (!(conv_num(&bp, &tm->tm_mday, 1, 31))) + return (0); + break; + + case 'k': /* The hour (24-hour clock representation). */ + LEGAL_ALT(0); + /* FALLTHROUGH */ + case 'H': + LEGAL_ALT(ALT_O); + if (!(conv_num(&bp, &tm->tm_hour, 0, 23))) + return (0); + break; + + case 'l': /* The hour (12-hour clock representation). */ + LEGAL_ALT(0); + /* FALLTHROUGH */ + case 'I': + LEGAL_ALT(ALT_O); + if (!(conv_num(&bp, &tm->tm_hour, 1, 12))) + return (0); + if (tm->tm_hour == 12) + tm->tm_hour = 0; + break; + + case 'j': /* The day of year. */ + LEGAL_ALT(0); + if (!(conv_num(&bp, &i, 1, 366))) + return (0); + tm->tm_yday = i - 1; + break; + + case 'M': /* The minute. */ + LEGAL_ALT(ALT_O); + if (!(conv_num(&bp, &tm->tm_min, 0, 59))) + return (0); + break; + + case 'm': /* The month. */ + LEGAL_ALT(ALT_O); + if (!(conv_num(&bp, &i, 1, 12))) + return (0); + tm->tm_mon = i - 1; + break; + + case 'p': /* The locale's equivalent of AM/PM. */ + LEGAL_ALT(0); + /* AM? */ + if (strcasecmp(_ctloc(am_pm[0]), bp) == 0) { + if (tm->tm_hour > 11) + return (0); + + bp += strlen(_ctloc(am_pm[0])); + break; + } + /* PM? */ + else if (strcasecmp(_ctloc(am_pm[1]), bp) == 0) { + if (tm->tm_hour > 11) + return (0); + + tm->tm_hour += 12; + bp += strlen(_ctloc(am_pm[1])); + break; + } + + /* Nothing matched. */ + return (0); + + case 'S': /* The seconds. */ + LEGAL_ALT(ALT_O); + if (!(conv_num(&bp, &tm->tm_sec, 0, 61))) + return (0); + break; + + case 'U': /* The week of year, beginning on sunday. */ + case 'W': /* The week of year, beginning on monday. */ + LEGAL_ALT(ALT_O); + /* + * XXX This is bogus, as we can not assume any valid + * information present in the tm structure at this + * point to calculate a real value, so just check the + * range for now. + */ + if (!(conv_num(&bp, &i, 0, 53))) + return (0); + break; + + case 'w': /* The day of week, beginning on sunday. */ + LEGAL_ALT(ALT_O); + if (!(conv_num(&bp, &tm->tm_wday, 0, 6))) + return (0); + break; + + case 'Y': /* The year. */ + LEGAL_ALT(ALT_E); + if (!(conv_num(&bp, &i, 0, 9999))) + return (0); + + tm->tm_year = i - TM_YEAR_BASE; + break; + + case 'y': /* The year within 100 years of the epoch. */ + LEGAL_ALT(ALT_E | ALT_O); + if (!(conv_num(&bp, &i, 0, 99))) + return (0); + + if (split_year) { + tm->tm_year = ((tm->tm_year / 100) * 100) + i; + break; + } + split_year = 1; + if (i <= 68) + tm->tm_year = i + 2000 - TM_YEAR_BASE; + else + tm->tm_year = i + 1900 - TM_YEAR_BASE; + break; + + /* + * Miscellaneous conversions. + */ + case 'n': /* Any kind of white-space. */ + case 't': + LEGAL_ALT(0); + while (isspace(*bp)) + bp++; + break; + + + default: /* Unknown/unsupported conversion. */ + return (0); + } + + + } + + /* LINTED functional specification */ + return ((char *)bp); +} + + +static int +conv_num(buf, dest, llim, ulim) + const char **buf; + int *dest; + int llim, ulim; +{ + int result = 0; + + /* The limit also determines the number of valid digits. */ + int rulim = ulim; + + if (**buf < '0' || **buf > '9') + return (0); + + do { + result *= 10; + result += *(*buf)++ - '0'; + rulim /= 10; + } while ((result * 10 <= ulim) && rulim && **buf >= '0' && **buf <= '9'); + + if (result < llim || result > ulim) + return (0); + + *dest = result; + return (1); +} diff --git a/src/lib/krb5/krb/t_deltat.c b/src/lib/krb5/krb/t_deltat.c new file mode 100644 index 000000000..fc09c570b --- /dev/null +++ b/src/lib/krb5/krb/t_deltat.c @@ -0,0 +1,102 @@ +/* + * lib/krb5/krb/t_deltat.c + * + * Copyright 1999 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. Furthermore if you modify this software you must label + * your software as modified software and not distribute it in such a + * fashion that it might be confused with the original M.I.T. software. + * 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. + * + */ + +#include "k5-int.h" + +int +main () +{ + struct { + char *string; + krb5_deltat expected; + int is_error; +#define GOOD(STR,VAL) { STR, VAL, 0 } +#define BAD(STR) { STR, 0, 1 } +#define DAY (24 * 3600) +#define HOUR 3600 +#define MIN 60 + } values[] = { + /* d-h-m-s patterns */ + GOOD ("3d", 3*DAY), + GOOD ("3h", 3*HOUR), + GOOD ("3m", 3*MIN), + GOOD ("3s", 3), + BAD ("3dd"), + GOOD ("3d4m 42s", 3 * DAY + 4 * MIN + 42), + GOOD ("3d-1h", 3 * DAY - 1 * HOUR), + GOOD ("3d -1h", 3 * DAY - HOUR), + GOOD ("3d4h5m6s", 3 * DAY + 4 * HOUR + 5 * MIN + 6), + BAD ("3d4m5h"), + GOOD ("12345s", 12345), + GOOD ("1m 12345s", MIN + 12345), + GOOD ("1m12345s", MIN + 12345), + GOOD ("3d 0m", 3 * DAY), + GOOD ("3d 0m ", 3 * DAY), + GOOD ("3d \n\t 0m ", 3 * DAY), + /* colon patterns */ + GOOD ("42-13:42:47", 42 * DAY + 13 * HOUR + 42 * MIN + 47), + BAD ("3: 4"), + BAD ("13:0003"), + GOOD ("12:34", 12 * HOUR + 34 * MIN), + GOOD ("1:02:03", 1 * HOUR + 2 * MIN + 3), + BAD ("3:-4"), + /* XX We might want to require exactly two digits after a colon? */ + GOOD ("3:4", 3 * HOUR + 4 * MIN), + /* misc */ + BAD ("42"), + BAD ("1-2"), + }; + int fail = 0; + int i; + + for (i = 0; i < sizeof(values)/sizeof(values[0]); i++) { + krb5_deltat result; + krb5_error_code code; + + code = krb5_string_to_deltat (values[i].string, &result); + if (code && !values[i].is_error) { + fprintf (stderr, "unexpected error for `%s'\n", values[i].string); + fail++; + } else if (!code && values[i].is_error) { + fprintf (stderr, "expected but didn't get error for `%s'\n", + values[i].string); + fail++; + } else if (code && values[i].is_error) { + /* do nothing */ + } else if (result != values[i].expected) { + fprintf (stderr, "got %ld instead of expected %ld for `%s'\n", + (long) result, (long) values[i].expected, + values[i].string); + fail++; + } + } + if (fail == 0) + printf ("Passed all %d tests.\n", i); + else + printf ("Failed %d of %d tests.\n", fail, i); + return fail; +} diff --git a/src/lib/krb5/krb/x-deltat.y b/src/lib/krb5/krb/x-deltat.y new file mode 100644 index 000000000..be53ce3c6 --- /dev/null +++ b/src/lib/krb5/krb/x-deltat.y @@ -0,0 +1,168 @@ +/* + * lib/krb5/krb/deltat.y + * + * Copyright 1999 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. Furthermore if you modify this software you must label + * your software as modified software and not distribute it in such a + * fashion that it might be confused with the original M.I.T. software. + * 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. + * + * + * krb5_string_to_deltat() + */ + +/* For a clean, thread-safe interface, we must use the "pure parser" + facility of GNU Bison. Unfortunately, standard YACC has no such + option. */ + +/* N.B.: For simplicity in dealing with the distribution, the + Makefile.in listing for deltat.c does *not* normally list this + file. If you change this file, tweak the Makefile so it'll rebuild + deltat.c, or do it manually. */ +%{ + +#include +#include +#include "k5-int.h" + +struct param { + krb5_deltat delta; + char *p; +}; + +#define YYPARSE_PARAM tmv + +#define DO(D,H,M,S) \ + { \ + ((struct param *)tmv)->delta = (((D * 24) + H) * 60 + M) * 60 + S; \ + } + +static int mylex (int *, char **); +#define YYLEX_PARAM (&((struct param *)tmv)->p) +#undef yylex +#define yylex(U, P) mylex (&(U)->val, (P)) + +#undef yyerror +#define yyerror(MSG) + +static int yyparse (void *); + +%} + +%pure_parser + +%union { int val; } + +%token NUM LONGNUM +%token '-' ':' 'd' 'h' 'm' 's' WS + +%type num opt_hms opt_ms opt_s wsnum posnum + +%start start + +%% + +start: deltat ; +posnum: NUM | LONGNUM ; +num: posnum | '-' posnum { $$ = - $2; } ; +ws: /* nothing */ | WS ; +wsnum: ws num { $$ = $2; }; +deltat: + wsnum 'd' opt_hms { DO ($1, 0, 0, $3); } + | wsnum 'h' opt_ms { DO ( 0, $1, 0, $3); } + | wsnum 'm' opt_s { DO ( 0, 0, $1, $3); } + | wsnum 's' { DO ( 0, 0, 0, $1); } + | wsnum '-' NUM ':' NUM ':' NUM { DO ($1, $3, $5, $7); } + | wsnum ':' NUM ':' NUM { DO ( 0, $1, $3, $5); } + | wsnum ':' NUM { DO ( 0, $1, $3, 0); } + ; + +opt_hms: + opt_ms + | wsnum 'h' opt_ms { $$ = $1 * 3600 + $3; }; +opt_ms: + opt_s + | wsnum 'm' opt_s { $$ = $1 * 60 + $3; }; +opt_s: + ws { $$ = 0; } + | wsnum 's' ; + +%% + +static int +mylex (int *intp, char **pp) +{ + int num, c; +#define P (*pp) + char *orig_p = P; + +#ifdef isascii + if (!isascii (*P)) + return 0; +#endif + switch (c = *P++) { + case '-': + case ':': + case 'd': + case 'h': + case 'm': + case 's': + return c; + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + /* XXX assumes ASCII */ + num = c - '0'; + while (isdigit (*P)) { + num *= 10; + num += *P++ - '0'; + } + *intp = num; + return (P - orig_p > 2) ? LONGNUM : NUM; + case ' ': + case '\t': + case '\n': + while (isspace (*P)) + P++; + return WS; + default: + return YYEOF; + } +} + +KRB5_DLLIMP krb5_error_code KRB5_CALLCONV +krb5_string_to_deltat(string, deltatp) + char FAR * string; + krb5_deltat FAR * deltatp; +{ + struct param p; + p.delta = 0; + p.p = string; + if (yyparse (&p)) + return EINVAL; + *deltatp = p.delta; + return 0; +} -- 2.26.2