diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 02:23:56 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 02:23:56 +0000 |
| commit | 9620f76a210d9d8c1aaff25e99d6dc513f87e6e9 (patch) | |
| tree | ceecc90fb95780872c35da764c5163f38e4727c4 /plugins/sudoers/toke.c | |
| parent | Initial commit. (diff) | |
| download | sudo-9620f76a210d9d8c1aaff25e99d6dc513f87e6e9.tar.xz sudo-9620f76a210d9d8c1aaff25e99d6dc513f87e6e9.zip | |
Adding upstream version 1.8.27.upstream/1.8.27upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'plugins/sudoers/toke.c')
| -rw-r--r-- | plugins/sudoers/toke.c | 4665 |
1 files changed, 4665 insertions, 0 deletions
diff --git a/plugins/sudoers/toke.c b/plugins/sudoers/toke.c new file mode 100644 index 0000000..d0dd5e3 --- /dev/null +++ b/plugins/sudoers/toke.c @@ -0,0 +1,4665 @@ +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include <config.h> + +#line 3 "toke.c" + +#define YY_INT_ALIGNED short int + +/* $OpenBSD: flex.skl,v 1.16 2017/05/02 19:16:19 millert Exp $ */ + +/* A lexical scanner generated by flex */ + +#define yy_create_buffer sudoers_create_buffer +#define yy_delete_buffer sudoers_delete_buffer +#define yy_flex_debug sudoers_flex_debug +#define yy_init_buffer sudoers_init_buffer +#define yy_flush_buffer sudoers_flush_buffer +#define yy_load_buffer_state sudoers_load_buffer_state +#define yy_switch_to_buffer sudoers_switch_to_buffer +#define yyin sudoersin +#define yyleng sudoersleng +#define yylex sudoerslex +#define yylineno sudoerslineno +#define yyout sudoersout +#define yyrestart sudoersrestart +#define yytext sudoerstext +#define yywrap sudoerswrap +#define yyalloc sudoersalloc +#define yyrealloc sudoersrealloc +#define yyfree sudoersfree + +#define FLEX_SCANNER +#define YY_FLEX_MAJOR_VERSION 2 +#define YY_FLEX_MINOR_VERSION 5 +#define YY_FLEX_SUBMINOR_VERSION 39 +#if YY_FLEX_SUBMINOR_VERSION > 0 +#define FLEX_BETA +#endif + +/* First, we deal with platform-specific or compiler-specific issues. */ + +/* begin standard C headers. */ +#include <stdio.h> +#include <string.h> +#include <errno.h> +#include <stdlib.h> + +/* end standard C headers. */ + +/* $OpenBSD: flexint.h,v 1.1 2015/11/19 19:43:40 tedu Exp $ */ + +/* flex integer type definitions */ + +#ifndef FLEXINT_H +#define FLEXINT_H + +/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */ + +#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L + +/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h, + * if you want the limit (max/min) macros for int types. + */ +#ifndef __STDC_LIMIT_MACROS +#define __STDC_LIMIT_MACROS 1 +#endif + +#include <inttypes.h> +typedef int8_t flex_int8_t; +typedef uint8_t flex_uint8_t; +typedef int16_t flex_int16_t; +typedef uint16_t flex_uint16_t; +typedef int32_t flex_int32_t; +typedef uint32_t flex_uint32_t; +#else +typedef signed char flex_int8_t; +typedef short int flex_int16_t; +typedef int flex_int32_t; +typedef unsigned char flex_uint8_t; +typedef unsigned short int flex_uint16_t; +typedef unsigned int flex_uint32_t; + +/* Limits of integral types. */ +#ifndef INT8_MIN +#define INT8_MIN (-128) +#endif +#ifndef INT16_MIN +#define INT16_MIN (-32767-1) +#endif +#ifndef INT32_MIN +#define INT32_MIN (-2147483647-1) +#endif +#ifndef INT8_MAX +#define INT8_MAX (127) +#endif +#ifndef INT16_MAX +#define INT16_MAX (32767) +#endif +#ifndef INT32_MAX +#define INT32_MAX (2147483647) +#endif +#ifndef UINT8_MAX +#define UINT8_MAX (255U) +#endif +#ifndef UINT16_MAX +#define UINT16_MAX (65535U) +#endif +#ifndef UINT32_MAX +#define UINT32_MAX (4294967295U) +#endif + +#endif /* ! C99 */ + +#endif /* ! FLEXINT_H */ + +#ifdef __cplusplus + +/* The "const" storage-class-modifier is valid. */ +#define YY_USE_CONST + +#else /* ! __cplusplus */ + +/* C99 requires __STDC__ to be defined as 1. */ +#if defined (__STDC__) + +#define YY_USE_CONST + +#endif /* defined (__STDC__) */ +#endif /* ! __cplusplus */ + +#ifdef YY_USE_CONST +#define yyconst const +#else +#define yyconst +#endif + +/* Returned upon end-of-file. */ +#define YY_NULL 0 + +/* Promotes a possibly negative, possibly signed char to an unsigned + * integer for use as an array index. If the signed char is negative, + * we want to instead treat it as an 8-bit unsigned char, hence the + * double cast. + */ +#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c) + +/* Enter a start condition. This macro really ought to take a parameter, + * but we do it the disgusting crufty way forced on us by the ()-less + * definition of BEGIN. + */ +#define BEGIN (yy_start) = 1 + 2 * + +/* Translate the current start state into a value that can be later handed + * to BEGIN to return to the state. The YYSTATE alias is for lex + * compatibility. + */ +#define YY_START (((yy_start) - 1) / 2) +#define YYSTATE YY_START + +/* Action number for EOF rule of a given start state. */ +#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1) + +/* Special action meaning "start processing a new file". */ +#define YY_NEW_FILE sudoersrestart(sudoersin ) + +#define YY_END_OF_BUFFER_CHAR 0 + +/* Size of default input buffer. */ +#ifndef YY_BUF_SIZE +#define YY_BUF_SIZE 16384 +#endif + +/* The state buf must be large enough to hold one state per character in the main buffer. + */ +#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type)) + +#ifndef YY_TYPEDEF_YY_BUFFER_STATE +#define YY_TYPEDEF_YY_BUFFER_STATE +typedef struct yy_buffer_state *YY_BUFFER_STATE; +#endif + +#ifndef YY_TYPEDEF_YY_SIZE_T +#define YY_TYPEDEF_YY_SIZE_T +typedef size_t yy_size_t; +#endif + +extern yy_size_t sudoersleng; + +extern FILE *sudoersin, *sudoersout; + +#define EOB_ACT_CONTINUE_SCAN 0 +#define EOB_ACT_END_OF_FILE 1 +#define EOB_ACT_LAST_MATCH 2 + + #define YY_LESS_LINENO(n) + #define YY_LINENO_REWIND_TO(ptr) + +/* Return all but the first "n" matched characters back to the input stream. */ +#define yyless(n) \ + do \ + { \ + /* Undo effects of setting up sudoerstext. */ \ + int yyless_macro_arg = (n); \ + YY_LESS_LINENO(yyless_macro_arg);\ + *yy_cp = (yy_hold_char); \ + YY_RESTORE_YY_MORE_OFFSET \ + (yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \ + YY_DO_BEFORE_ACTION; /* set up sudoerstext again */ \ + } \ + while ( 0 ) + +#define unput(c) yyunput( c, (yytext_ptr) ) + +#ifndef YY_STRUCT_YY_BUFFER_STATE +#define YY_STRUCT_YY_BUFFER_STATE +struct yy_buffer_state + { + FILE *yy_input_file; + + char *yy_ch_buf; /* input buffer */ + char *yy_buf_pos; /* current position in input buffer */ + + /* Size of input buffer in bytes, not including room for EOB + * characters. + */ + yy_size_t yy_buf_size; + + /* Number of characters read into yy_ch_buf, not including EOB + * characters. + */ + yy_size_t yy_n_chars; + + /* Whether we "own" the buffer - i.e., we know we created it, + * and can realloc() it to grow it, and should free() it to + * delete it. + */ + int yy_is_our_buffer; + + /* Whether this is an "interactive" input source; if so, and + * if we're using stdio for input, then we want to use getc() + * instead of fread(), to make sure we stop fetching input after + * each newline. + */ + int yy_is_interactive; + + /* Whether we're considered to be at the beginning of a line. + * If so, '^' rules will be active on the next match, otherwise + * not. + */ + int yy_at_bol; + + int yy_bs_lineno; /**< The line count. */ + int yy_bs_column; /**< The column count. */ + + /* Whether to try to fill the input buffer when we reach the + * end of it. + */ + int yy_fill_buffer; + + int yy_buffer_status; + +#define YY_BUFFER_NEW 0 +#define YY_BUFFER_NORMAL 1 + /* When an EOF's been seen but there's still some text to process + * then we mark the buffer as YY_EOF_PENDING, to indicate that we + * shouldn't try reading from the input source any more. We might + * still have a bunch of tokens to match, though, because of + * possible backing-up. + * + * When we actually see the EOF, we change the status to "new" + * (via sudoersrestart()), so that the user can continue scanning by + * just pointing sudoersin at a new input file. + */ +#define YY_BUFFER_EOF_PENDING 2 + + }; +#endif /* !YY_STRUCT_YY_BUFFER_STATE */ + +/* Stack of input buffers. */ +static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */ +static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */ +static YY_BUFFER_STATE * yy_buffer_stack = 0; /**< Stack as an array. */ + +/* We provide macros for accessing buffer states in case in the + * future we want to put the buffer states in a more general + * "scanner state". + * + * Returns the top of the stack, or NULL. + */ +#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \ + ? (yy_buffer_stack)[(yy_buffer_stack_top)] \ + : NULL) + +/* Same as previous macro, but useful when we know that the buffer stack is not + * NULL or when we need an lvalue. For internal use only. + */ +#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)] + +/* yy_hold_char holds the character lost when sudoerstext is formed. */ +static char yy_hold_char; +static yy_size_t yy_n_chars; /* number of characters read into yy_ch_buf */ +yy_size_t sudoersleng; + +/* Points to current character in buffer. */ +static char *yy_c_buf_p = (char *) 0; +static int yy_init = 0; /* whether we need to initialize */ +static int yy_start = 0; /* start state number */ + +/* Flag which is used to allow sudoerswrap()'s to do buffer switches + * instead of setting up a fresh sudoersin. A bit of a hack ... + */ +static int yy_did_buffer_switch_on_eof; + +void sudoersrestart (FILE *input_file ); +void sudoers_switch_to_buffer (YY_BUFFER_STATE new_buffer ); +YY_BUFFER_STATE sudoers_create_buffer (FILE *file,int size ); +void sudoers_delete_buffer (YY_BUFFER_STATE b ); +void sudoers_flush_buffer (YY_BUFFER_STATE b ); +void sudoerspush_buffer_state (YY_BUFFER_STATE new_buffer ); +void sudoerspop_buffer_state (void ); + +static void sudoersensure_buffer_stack (void ); +static void sudoers_load_buffer_state (void ); +static void sudoers_init_buffer (YY_BUFFER_STATE b,FILE *file ); + +#define YY_FLUSH_BUFFER sudoers_flush_buffer(YY_CURRENT_BUFFER ) + +YY_BUFFER_STATE sudoers_scan_buffer (char *base,yy_size_t size ); +YY_BUFFER_STATE sudoers_scan_string (yyconst char *yy_str ); +YY_BUFFER_STATE sudoers_scan_bytes (yyconst char *bytes,yy_size_t len ); + +void *sudoersalloc (yy_size_t ); +void *sudoersrealloc (void *,yy_size_t ); +void sudoersfree (void * ); + +#define yy_new_buffer sudoers_create_buffer + +#define yy_set_interactive(is_interactive) \ + { \ + if ( ! YY_CURRENT_BUFFER ){ \ + sudoersensure_buffer_stack (); \ + YY_CURRENT_BUFFER_LVALUE = \ + sudoers_create_buffer(sudoersin,YY_BUF_SIZE ); \ + } \ + YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \ + } + +#define yy_set_bol(at_bol) \ + { \ + if ( ! YY_CURRENT_BUFFER ){\ + sudoersensure_buffer_stack (); \ + YY_CURRENT_BUFFER_LVALUE = \ + sudoers_create_buffer(sudoersin,YY_BUF_SIZE ); \ + } \ + YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \ + } + +#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol) + +/* Begin user sect3 */ + +#define sudoerswrap() 1 +#define YY_SKIP_YYWRAP + +typedef unsigned char YY_CHAR; + +FILE *sudoersin = (FILE *) 0, *sudoersout = (FILE *) 0; + +typedef int yy_state_type; + +extern int sudoerslineno; + +int sudoerslineno = 1; + +extern char *sudoerstext; +#define yytext_ptr sudoerstext + +static yy_state_type yy_get_previous_state (void ); +static yy_state_type yy_try_NUL_trans (yy_state_type current_state ); +static int yy_get_next_buffer (void ); +static void yy_fatal_error (yyconst char msg[] ); + +/* Done after the current pattern has been matched and before the + * corresponding action - sets up sudoerstext. + */ +#define YY_DO_BEFORE_ACTION \ + (yytext_ptr) = yy_bp; \ + sudoersleng = (size_t) (yy_cp - yy_bp); \ + (yy_hold_char) = *yy_cp; \ + *yy_cp = '\0'; \ + (yy_c_buf_p) = yy_cp; + +#define YY_NUM_RULES 74 +#define YY_END_OF_BUFFER 75 +/* This struct is not used in this scanner, + but its presence is necessary. */ +struct yy_trans_info + { + flex_int32_t yy_verify; + flex_int32_t yy_nxt; + }; +static yyconst flex_int16_t yy_accept[882] = + { 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 75, 62, 70, 69, 68, 61, + 72, 38, 63, 64, 38, 65, 62, 62, 62, 62, + 67, 66, 73, 53, 53, 53, 53, 53, 53, 53, + 53, 53, 53, 53, 53, 73, 62, 62, 70, 72, + 53, 53, 53, 53, 53, 2, 73, 1, 62, 53, + 53, 53, 62, 17, 16, 17, 16, 16, 73, 72, + 73, 3, 9, 8, 9, 4, 9, 5, 73, 13, + 13, 13, 11, 12, 73, 19, 19, 18, 18, 18, + 19, 18, 18, 18, 18, 19, 19, 19, 19, 19, + + 19, 18, 19, 19, 62, 0, 70, 68, 72, 72, + 0, 62, 40, 0, 38, 0, 39, 0, 60, 60, + 0, 62, 62, 0, 62, 62, 62, 62, 0, 43, + 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, + 53, 53, 53, 53, 53, 62, 71, 62, 62, 70, + 0, 0, 0, 0, 0, 72, 62, 62, 62, 62, + 62, 2, 1, 0, 1, 54, 54, 0, 53, 62, + 17, 17, 15, 14, 15, 0, 0, 3, 9, 0, + 6, 7, 9, 9, 13, 0, 13, 13, 0, 10, + 40, 0, 0, 39, 19, 19, 0, 19, 0, 0, + + 18, 18, 18, 18, 18, 18, 19, 19, 53, 19, + 19, 19, 19, 19, 19, 19, 19, 19, 72, 72, + 0, 40, 62, 62, 62, 62, 62, 0, 0, 43, + 43, 53, 45, 53, 53, 53, 53, 53, 53, 53, + 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, + 53, 62, 62, 0, 0, 0, 0, 0, 72, 62, + 62, 62, 62, 62, 0, 62, 10, 0, 0, 0, + 18, 18, 18, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 19, 19, 72, 62, + 62, 62, 62, 62, 62, 0, 44, 44, 44, 0, + + 0, 43, 43, 43, 43, 43, 43, 43, 53, 53, + 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, + 53, 53, 53, 53, 49, 53, 53, 50, 62, 62, + 62, 62, 0, 0, 0, 0, 0, 72, 62, 62, + 62, 62, 0, 0, 0, 0, 0, 18, 18, 19, + 19, 53, 19, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 62, 62, 62, 0, 0, + 44, 44, 44, 0, 43, 43, 0, 43, 43, 43, + 43, 43, 43, 43, 43, 43, 43, 43, 0, 27, + 53, 53, 53, 53, 0, 34, 53, 53, 53, 53, + + 53, 53, 53, 53, 53, 51, 53, 53, 62, 62, + 62, 62, 62, 0, 0, 0, 72, 62, 62, 62, + 0, 0, 0, 18, 18, 19, 53, 53, 19, 19, + 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, + 19, 62, 62, 62, 62, 62, 0, 44, 0, 43, + 43, 43, 0, 0, 0, 43, 43, 43, 43, 43, + 43, 43, 43, 43, 43, 43, 43, 43, 53, 53, + 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, + 53, 53, 53, 55, 56, 57, 58, 62, 0, 0, + 72, 62, 62, 62, 0, 0, 0, 0, 0, 19, + + 53, 53, 19, 19, 53, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 41, 41, 41, 0, 0, + 43, 43, 43, 43, 43, 43, 43, 0, 0, 0, + 0, 0, 43, 43, 43, 43, 43, 43, 43, 43, + 43, 43, 43, 43, 43, 43, 0, 36, 53, 53, + 53, 0, 26, 53, 53, 53, 0, 35, 53, 53, + 53, 53, 0, 25, 0, 28, 46, 62, 0, 0, + 72, 62, 62, 62, 41, 41, 41, 53, 53, 19, + 53, 53, 19, 19, 19, 62, 41, 41, 41, 41, + 0, 43, 0, 43, 43, 43, 43, 43, 43, 43, + + 43, 43, 43, 43, 0, 0, 0, 43, 43, 43, + 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, + 53, 53, 53, 53, 53, 53, 53, 53, 48, 53, + 59, 0, 0, 72, 62, 22, 54, 0, 41, 41, + 41, 41, 53, 53, 19, 53, 53, 19, 19, 19, + 42, 42, 42, 42, 43, 0, 0, 0, 43, 43, + 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, + 43, 0, 0, 0, 0, 0, 43, 43, 43, 43, + 43, 43, 43, 43, 53, 53, 53, 0, 37, 53, + 53, 0, 24, 0, 29, 47, 0, 22, 72, 72, + + 62, 0, 62, 42, 42, 42, 42, 53, 53, 53, + 53, 62, 62, 42, 42, 42, 42, 0, 0, 0, + 0, 0, 43, 43, 43, 43, 43, 43, 43, 43, + 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, + 43, 43, 52, 0, 32, 53, 53, 53, 0, 72, + 72, 20, 72, 23, 22, 0, 0, 0, 0, 0, + 22, 0, 0, 0, 42, 42, 42, 42, 53, 53, + 53, 62, 62, 62, 0, 0, 0, 43, 43, 43, + 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, + 43, 43, 43, 43, 43, 0, 30, 53, 53, 23, + + 72, 0, 22, 0, 0, 0, 53, 53, 62, 62, + 62, 62, 62, 0, 0, 0, 0, 0, 43, 43, + 43, 43, 43, 43, 43, 43, 0, 33, 53, 72, + 0, 0, 0, 0, 0, 53, 62, 62, 62, 43, + 43, 43, 43, 43, 43, 0, 31, 72, 72, 21, + 0, 0, 0, 62, 62, 62, 62, 62, 43, 43, + 43, 43, 43, 0, 0, 0, 0, 0, 41, 41, + 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, + 0 + } ; + +static yyconst flex_int32_t yy_ec[256] = + { 0, + 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 2, 4, 5, 6, 1, 7, 1, 1, 8, + 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, + 19, 20, 21, 22, 23, 24, 25, 26, 1, 1, + 27, 28, 10, 29, 30, 31, 32, 33, 34, 35, + 36, 37, 38, 39, 39, 40, 41, 42, 43, 44, + 39, 45, 46, 47, 48, 49, 50, 51, 52, 39, + 10, 53, 10, 1, 54, 1, 55, 56, 57, 58, + + 59, 60, 61, 62, 63, 61, 61, 64, 65, 66, + 67, 61, 61, 68, 69, 70, 71, 61, 61, 61, + 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1 + } ; + +static yyconst flex_int32_t yy_meta[72] = + { 0, + 1, 2, 3, 4, 5, 6, 1, 7, 7, 1, + 8, 9, 10, 11, 12, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 14, 15, 7, 1, 16, + 16, 16, 16, 16, 16, 17, 17, 17, 17, 17, + 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, + 17, 17, 18, 19, 20, 20, 20, 20, 20, 20, + 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, + 21 + } ; + +static yyconst flex_int16_t yy_base[999] = + { 0, + 0, 70, 72, 80, 126, 131, 183, 253, 161, 205, + 86, 94, 324, 0, 4976, 4918, 4967, 5585, 4964, 5585, + 393, 87, 5585, 5585, 4914, 5585, 172, 405, 174, 185, + 4940, 5585, 5585, 465, 4925, 43, 37, 521, 62, 4934, + 4913, 76, 4912, 4916, 71, 580, 595, 83, 228, 618, + 39, 91, 4881, 30, 4878, 73, 4933, 4943, 439, 4901, + 4900, 4895, 89, 0, 5585, 4919, 5585, 0, 620, 679, + 108, 0, 4861, 5585, 117, 5585, 129, 5585, 159, 4855, + 106, 122, 5585, 166, 209, 656, 710, 754, 261, 203, + 812, 862, 4865, 223, 186, 918, 4861, 4872, 4858, 4866, + + 4858, 965, 0, 84, 4834, 650, 4882, 4877, 4877, 5585, + 271, 546, 619, 4859, 622, 723, 4818, 848, 952, 4813, + 989, 1002, 1040, 4837, 4846, 577, 724, 250, 4833, 249, + 1085, 1130, 4811, 4816, 4805, 4801, 4803, 4800, 994, 4789, + 4796, 4793, 4784, 4785, 4781, 396, 5585, 178, 125, 1000, + 4759, 4763, 4751, 4746, 4747, 231, 354, 386, 159, 379, + 245, 439, 4812, 736, 4803, 1038, 4751, 1165, 1042, 247, + 0, 4795, 299, 5585, 5585, 946, 399, 0, 4743, 659, + 5585, 5585, 4740, 401, 4739, 4767, 403, 404, 431, 4739, + 627, 668, 1192, 4683, 1198, 0, 1227, 1255, 1211, 1105, + + 1294, 4719, 1224, 1254, 845, 1344, 1400, 4690, 0, 4695, + 4680, 4679, 4675, 1246, 4666, 4664, 4655, 4651, 4705, 4697, + 1277, 1314, 1447, 1420, 990, 1487, 4680, 4666, 1532, 427, + 1578, 1623, 0, 4658, 4649, 4650, 4633, 4629, 4616, 4594, + 4588, 4598, 4597, 4591, 438, 4578, 4570, 4581, 4576, 4573, + 4570, 669, 160, 4537, 4535, 4525, 4523, 4527, 546, 397, + 4528, 504, 418, 406, 1471, 505, 4580, 4565, 4564, 1670, + 1680, 4563, 1725, 0, 4543, 4526, 4511, 4520, 4506, 4511, + 4510, 4515, 4514, 4505, 4491, 4502, 687, 4468, 4531, 1770, + 534, 0, 0, 1027, 246, 4507, 4506, 1808, 633, 4498, + + 4492, 653, 1468, 1821, 1507, 1115, 1867, 1914, 4490, 603, + 4471, 4466, 646, 665, 4478, 4471, 4446, 4443, 4430, 4427, + 4438, 4438, 4421, 4424, 0, 4427, 4339, 0, 837, 551, + 574, 654, 4323, 4325, 4309, 4323, 4309, 763, 506, 1041, + 424, 677, 1552, 4362, 4361, 4360, 1162, 1924, 1969, 781, + 4330, 691, 889, 4338, 4331, 4334, 4331, 4322, 4320, 4316, + 4323, 830, 4340, 4346, 4303, 2016, 2028, 2040, 4335, 4334, + 2050, 4334, 4332, 4331, 4330, 977, 1598, 1054, 1643, 1064, + 2063, 0, 1702, 2110, 1745, 1324, 2156, 2203, 970, 5585, + 4294, 4299, 4300, 4293, 1010, 5585, 4308, 4299, 4284, 4297, + + 4290, 4301, 4287, 4298, 4299, 0, 4282, 4282, 640, 786, + 1034, 986, 709, 4275, 4257, 4237, 641, 520, 1028, 901, + 4291, 4289, 2215, 2225, 4276, 4251, 4226, 4143, 4147, 4127, + 4101, 4083, 4065, 4065, 4054, 4026, 4043, 4029, 4019, 4009, + 3961, 2270, 1000, 2310, 2322, 1655, 3986, 3954, 3941, 3929, + 2332, 1142, 3929, 3917, 2379, 1169, 1188, 1192, 1780, 1195, + 2391, 0, 1792, 2438, 1841, 1430, 2484, 2531, 2556, 1259, + 1450, 1111, 1112, 1224, 1868, 1196, 1452, 1473, 1232, 1535, + 1320, 1321, 1427, 3843, 3835, 3828, 3790, 663, 3806, 3753, + 394, 1843, 960, 796, 1896, 3790, 3777, 3774, 1565, 1346, + + 3707, 3697, 1371, 3688, 1046, 1512, 3680, 3685, 1514, 1533, + 0, 0, 0, 0, 3660, 2613, 1944, 1608, 3651, 3634, + 3626, 1989, 2653, 2083, 1713, 2698, 2745, 2130, 3629, 3610, + 3603, 1757, 2005, 2168, 2170, 2178, 2245, 2183, 2757, 0, + 2282, 2804, 2293, 1954, 2850, 2897, 1534, 5585, 2922, 907, + 1128, 1604, 5585, 1178, 1265, 1857, 1605, 5585, 1501, 2157, + 1632, 1734, 1683, 5585, 1725, 5585, 3561, 1235, 3534, 3502, + 1156, 2147, 1426, 1236, 3545, 3520, 2979, 3452, 3432, 2994, + 3433, 3412, 1463, 791, 3381, 3050, 1305, 3089, 0, 1792, + 3378, 3377, 2352, 2029, 2411, 2204, 3129, 0, 2460, 3142, + + 2504, 2093, 3187, 3234, 3375, 3345, 3246, 2368, 2520, 2625, + 2627, 3319, 2629, 3258, 0, 2642, 3305, 2673, 2140, 3352, + 3377, 1433, 898, 1927, 1823, 1603, 2089, 2090, 3263, 2270, + 3256, 3242, 3216, 1817, 1671, 2414, 3171, 2718, 3200, 3165, + 3070, 2256, 3030, 2974, 3447, 2881, 2850, 1847, 1848, 0, + 3505, 2777, 2824, 1736, 2852, 2844, 2836, 3545, 2805, 2311, + 2461, 2870, 2638, 3557, 0, 3062, 3570, 3073, 2629, 3615, + 3662, 3099, 2797, 2738, 2734, 2685, 2639, 2734, 2886, 985, + 1342, 3674, 0, 2789, 1822, 2439, 1861, 1993, 5585, 1379, + 1860, 1995, 5585, 1996, 5585, 2695, 2670, 2356, 1819, 1478, + + 2252, 2849, 3125, 2686, 2570, 3686, 2185, 2252, 2464, 2511, + 3100, 3696, 1963, 3736, 0, 2356, 1964, 3116, 2554, 2547, + 2498, 3165, 2459, 2419, 2994, 3073, 3171, 3143, 3776, 0, + 3209, 3789, 3278, 3220, 3834, 3881, 2424, 2371, 3892, 3316, + 2264, 1936, 2204, 2418, 5585, 2534, 2115, 2159, 2136, 2160, + 2249, 5585, 2416, 2084, 3302, 3352, 3532, 3544, 2104, 2922, + 2037, 3720, 3327, 2009, 1982, 1938, 3436, 1889, 2536, 2830, + 2831, 3904, 3916, 3928, 1855, 1834, 3940, 1699, 1681, 3235, + 3327, 3590, 3353, 3952, 0, 3637, 3965, 3717, 3523, 4012, + 1636, 1617, 1590, 3536, 1565, 2724, 5585, 2850, 2273, 5585, + + 2304, 3746, 3756, 1519, 1448, 4024, 2725, 3285, 4036, 2477, + 4048, 4060, 3648, 3809, 1307, 1277, 1243, 3602, 1204, 1198, + 3506, 1161, 1125, 4072, 0, 2509, 2901, 5585, 3284, 2435, + 3854, 1079, 1071, 1030, 3821, 2902, 4084, 4096, 4108, 3985, + 4118, 4128, 1005, 0, 768, 3021, 5585, 730, 2480, 5585, + 596, 576, 4140, 4152, 2693, 4164, 4176, 3866, 5585, 4186, + 4196, 3766, 5585, 4206, 456, 289, 134, 3997, 4216, 4254, + 4292, 4226, 4236, 4264, 28, 4330, 4246, 5585, 4302, 4274, + 5585, 4383, 4404, 4425, 4446, 4467, 4488, 4509, 4530, 4551, + 4560, 2005, 4580, 4601, 2661, 4622, 4643, 4664, 4685, 4706, + + 4727, 4748, 4769, 2479, 4790, 4799, 4807, 4816, 4836, 4857, + 4878, 2765, 4899, 4920, 4941, 4962, 4983, 4992, 5011, 5020, + 5029, 2348, 2734, 5037, 5045, 5053, 5062, 5070, 5077, 5085, + 5093, 5102, 5112, 2885, 2913, 5120, 5128, 5136, 3073, 3203, + 5145, 5155, 5175, 3220, 5184, 5192, 3221, 5201, 5211, 5231, + 2552, 2994, 5240, 5252, 5261, 5271, 3369, 3370, 5280, 5290, + 5299, 5319, 3088, 5328, 5340, 3448, 3520, 5349, 5359, 3534, + 5368, 5378, 5398, 5419, 5440, 3631, 3648, 5460, 3732, 5467, + 5477, 3158, 3373, 5486, 3115, 5506, 3805, 3849, 5515, 5525, + 3850, 3980, 5533, 5543, 5563, 4284, 3981, 4285 + + } ; + +static yyconst flex_int16_t yy_def[999] = + { 0, + 881, 1, 1, 1, 882, 882, 883, 883, 884, 884, + 885, 885, 881, 13, 881, 886, 881, 881, 881, 881, + 887, 888, 881, 881, 889, 881, 890, 886, 28, 28, + 891, 881, 881, 881, 34, 34, 34, 34, 38, 38, + 38, 38, 38, 38, 38, 886, 28, 886, 881, 887, + 34, 34, 38, 38, 38, 881, 892, 881, 893, 38, + 38, 38, 886, 894, 881, 894, 881, 894, 881, 887, + 881, 895, 896, 881, 896, 881, 896, 881, 897, 898, + 898, 898, 881, 881, 899, 900, 901, 881, 88, 88, + 88, 881, 92, 92, 92, 92, 96, 96, 96, 96, + + 96, 88, 91, 91, 886, 886, 881, 881, 902, 881, + 903, 881, 888, 904, 899, 888, 889, 889, 890, 905, + 886, 886, 28, 906, 123, 123, 123, 123, 907, 908, + 38, 131, 132, 132, 132, 132, 132, 132, 132, 132, + 132, 132, 132, 132, 132, 886, 881, 886, 886, 881, + 881, 881, 881, 881, 881, 902, 886, 123, 886, 886, + 886, 881, 881, 881, 881, 909, 910, 886, 132, 886, + 911, 911, 881, 881, 881, 903, 881, 912, 913, 913, + 881, 881, 913, 913, 914, 881, 914, 914, 881, 881, + 899, 899, 899, 915, 916, 91, 915, 917, 881, 881, + + 88, 201, 201, 201, 201, 881, 206, 207, 918, 207, + 207, 207, 207, 207, 207, 207, 91, 91, 902, 919, + 881, 881, 886, 223, 223, 123, 226, 920, 881, 921, + 881, 132, 132, 132, 132, 132, 132, 132, 132, 132, + 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, + 132, 886, 886, 881, 881, 881, 881, 881, 902, 886, + 226, 886, 886, 886, 881, 886, 881, 922, 923, 881, + 91, 271, 206, 207, 207, 207, 207, 207, 207, 207, + 207, 207, 207, 207, 207, 207, 91, 91, 919, 886, + 886, 223, 223, 223, 886, 924, 925, 925, 298, 926, + + 925, 927, 231, 881, 304, 304, 881, 304, 132, 132, + 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, + 132, 132, 132, 132, 132, 132, 132, 132, 886, 886, + 886, 886, 881, 881, 881, 881, 881, 902, 886, 886, + 886, 886, 881, 881, 922, 922, 881, 271, 206, 207, + 207, 928, 207, 207, 207, 207, 207, 207, 207, 207, + 207, 91, 91, 91, 91, 223, 223, 223, 881, 929, + 929, 371, 929, 930, 931, 932, 881, 933, 307, 933, + 881, 381, 933, 881, 384, 384, 881, 384, 881, 881, + 132, 132, 132, 132, 881, 881, 132, 132, 132, 132, + + 132, 132, 132, 132, 132, 132, 132, 132, 886, 886, + 886, 886, 886, 881, 881, 881, 902, 886, 886, 886, + 934, 935, 881, 91, 349, 207, 928, 928, 207, 207, + 207, 207, 207, 207, 207, 207, 91, 91, 91, 91, + 91, 886, 886, 223, 223, 886, 936, 936, 937, 938, + 881, 881, 939, 940, 881, 941, 941, 942, 387, 942, + 881, 461, 942, 881, 464, 464, 881, 464, 881, 469, + 469, 469, 469, 469, 469, 469, 469, 469, 469, 469, + 469, 469, 469, 886, 886, 886, 886, 886, 881, 881, + 943, 886, 886, 886, 881, 881, 944, 944, 881, 207, + + 928, 928, 207, 207, 928, 207, 207, 207, 207, 207, + 91, 91, 91, 91, 91, 886, 516, 516, 881, 945, + 946, 451, 881, 523, 523, 881, 523, 881, 881, 947, + 947, 881, 881, 948, 948, 949, 467, 949, 881, 539, + 949, 881, 542, 542, 881, 542, 881, 881, 881, 549, + 549, 881, 881, 549, 549, 549, 881, 881, 549, 549, + 549, 549, 881, 881, 881, 881, 549, 886, 881, 881, + 950, 886, 886, 886, 951, 952, 881, 953, 953, 881, + 953, 953, 580, 580, 954, 886, 886, 886, 588, 588, + 881, 955, 881, 956, 526, 956, 956, 597, 956, 881, + + 600, 600, 881, 600, 957, 958, 881, 881, 959, 959, + 960, 961, 960, 881, 614, 960, 881, 617, 617, 617, + 881, 621, 621, 621, 621, 621, 621, 621, 621, 621, + 886, 881, 881, 962, 886, 886, 886, 881, 881, 963, + 963, 881, 964, 964, 881, 964, 964, 645, 645, 965, + 886, 651, 651, 651, 881, 966, 967, 881, 968, 968, + 969, 603, 969, 969, 664, 969, 881, 667, 667, 881, + 667, 881, 881, 970, 970, 881, 881, 971, 971, 972, + 972, 972, 682, 972, 621, 621, 621, 881, 881, 621, + 621, 881, 881, 881, 881, 621, 881, 881, 973, 962, + + 886, 974, 975, 976, 977, 881, 976, 978, 978, 978, + 978, 886, 886, 886, 714, 714, 886, 881, 881, 979, + 979, 881, 881, 980, 980, 981, 670, 981, 981, 729, + 981, 881, 732, 732, 881, 732, 982, 983, 881, 881, + 984, 984, 621, 881, 881, 621, 621, 621, 881, 973, + 973, 881, 962, 886, 974, 974, 974, 974, 985, 974, + 986, 986, 881, 881, 976, 976, 881, 881, 978, 978, + 978, 714, 714, 714, 987, 988, 881, 881, 989, 989, + 990, 735, 990, 990, 784, 990, 881, 787, 787, 787, + 881, 982, 982, 881, 881, 881, 881, 621, 621, 881, + + 962, 881, 881, 991, 992, 881, 978, 978, 714, 886, + 714, 714, 886, 881, 881, 987, 987, 881, 881, 993, + 993, 994, 994, 994, 824, 824, 881, 881, 621, 995, + 881, 881, 991, 991, 881, 978, 714, 714, 714, 881, + 881, 881, 881, 996, 996, 881, 881, 995, 995, 881, + 997, 998, 881, 714, 886, 714, 714, 886, 881, 881, + 881, 881, 881, 881, 881, 997, 997, 881, 886, 886, + 886, 881, 881, 881, 886, 886, 886, 881, 881, 881, + 0, 881, 881, 881, 881, 881, 881, 881, 881, 881, + 881, 881, 881, 881, 881, 881, 881, 881, 881, 881, + + 881, 881, 881, 881, 881, 881, 881, 881, 881, 881, + 881, 881, 881, 881, 881, 881, 881, 881, 881, 881, + 881, 881, 881, 881, 881, 881, 881, 881, 881, 881, + 881, 881, 881, 881, 881, 881, 881, 881, 881, 881, + 881, 881, 881, 881, 881, 881, 881, 881, 881, 881, + 881, 881, 881, 881, 881, 881, 881, 881, 881, 881, + 881, 881, 881, 881, 881, 881, 881, 881, 881, 881, + 881, 881, 881, 881, 881, 881, 881, 881, 881, 881, + 881, 881, 881, 881, 881, 881, 881, 881, 881, 881, + 881, 881, 881, 881, 881, 881, 881, 881 + + } ; + +static yyconst flex_int16_t yy_nxt[5657] = + { 0, + 16, 17, 18, 19, 20, 21, 22, 23, 24, 16, + 25, 26, 16, 16, 27, 28, 29, 30, 28, 28, + 28, 28, 28, 28, 28, 31, 32, 33, 16, 34, + 35, 35, 35, 36, 37, 38, 38, 38, 38, 39, + 40, 41, 38, 42, 43, 44, 45, 38, 38, 38, + 38, 38, 46, 16, 47, 47, 47, 47, 47, 47, + 16, 16, 16, 16, 16, 16, 16, 16, 48, 16, + 16, 49, 142, 56, 162, 50, 132, 57, 132, 135, + 106, 56, 132, 58, 163, 57, 59, 81, 18, 82, + 83, 58, 114, 134, 59, 81, 18, 82, 83, 136, + + 160, 51, 52, 157, 137, 140, 53, 187, 144, 177, + 147, 60, 115, 61, 54, 62, 38, 55, 38, 60, + 141, 61, 145, 62, 38, 188, 38, 17, 65, 66, + 132, 67, 17, 65, 66, 106, 67, 67, 84, 116, + 63, 106, 67, 181, 148, 217, 84, 864, 63, 158, + 148, 67, 68, 149, 218, 182, 67, 68, 186, 170, + 184, 147, 17, 18, 19, 74, 70, 189, 190, 180, + 185, 75, 76, 77, 186, 120, 120, 106, 69, 120, + 120, 180, 253, 69, 17, 18, 19, 78, 70, 126, + 126, 126, 126, 126, 126, 126, 126, 126, 126, 120, + + 127, 127, 127, 127, 127, 128, 17, 18, 19, 74, + 70, 106, 106, 79, 114, 75, 76, 77, 204, 204, + 204, 204, 204, 205, 121, 207, 332, 262, 211, 150, + 106, 78, 252, 110, 192, 71, 72, 72, 72, 72, + 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, + 72, 72, 72, 72, 17, 18, 19, 79, 70, 151, + 152, 193, 207, 229, 153, 227, 227, 227, 227, 227, + 227, 124, 154, 210, 231, 155, 203, 203, 203, 203, + 203, 203, 203, 203, 203, 203, 112, 112, 112, 112, + 112, 112, 112, 112, 112, 112, 259, 106, 106, 106, + + 177, 147, 864, 264, 266, 71, 72, 72, 72, 72, + 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, + 72, 72, 72, 72, 33, 17, 18, 19, 33, 33, + 85, 23, 24, 33, 86, 26, 33, 33, 87, 88, + 89, 90, 88, 88, 88, 88, 88, 88, 88, 31, + 91, 33, 33, 92, 93, 93, 93, 94, 95, 96, + 96, 96, 96, 97, 98, 99, 96, 100, 96, 101, + 96, 96, 96, 96, 96, 96, 71, 33, 102, 102, + 102, 102, 102, 102, 103, 103, 103, 103, 103, 103, + 103, 103, 104, 103, 103, 110, 110, 177, 147, 105, + + 177, 147, 177, 147, 187, 111, 106, 188, 112, 112, + 112, 112, 112, 112, 112, 112, 112, 112, 122, 260, + 123, 123, 123, 123, 123, 123, 123, 123, 123, 123, + 124, 106, 189, 190, 125, 125, 125, 125, 125, 125, + 162, 229, 167, 167, 263, 261, 167, 167, 106, 106, + 163, 571, 303, 180, 339, 186, 186, 106, 106, 125, + 125, 125, 125, 125, 125, 105, 167, 321, 322, 864, + 106, 105, 341, 339, 105, 105, 106, 105, 105, 105, + 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, + 124, 168, 339, 105, 131, 131, 131, 131, 131, 131, + + 132, 132, 132, 132, 133, 132, 132, 132, 132, 132, + 132, 132, 132, 132, 132, 132, 132, 106, 132, 125, + 125, 125, 125, 125, 125, 105, 105, 105, 105, 105, + 105, 105, 105, 105, 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761, 881, + 881, 761, 761, 761, 761, 761, 761, 819, 819, 881, + 819, 881, 881, 881, 819, 820, 881, 820, 820, 881, + 820, 881, 881, 881, 820, 843, 843, 881, 843, 881, + 881, 881, 843, 844, 881, 844, 881, 881, 844, 881, + 881, 881, 844, 848, 848, 848, 848, 848, 848, 848, + 848, 848, 848, 848, 848, 848, 848, 848, 848, 848, + 848, 848, 848, 848, 15, 881, 881, 881, 881, 881, + 881, 881, 881, 881, 881, 881, 881, 881, 881, 881, + + 881, 881, 881, 881, 881, 881, 881, 881, 881, 881, + 881, 881, 881, 881, 881, 881, 881, 881, 881, 881, + 881, 881, 881, 881, 881, 881, 881, 881, 881, 881, + 881, 881, 881, 881, 881, 881, 881, 881, 881, 881, + 881, 881, 881, 881, 881, 881, 881, 881, 881, 881, + 881, 881, 881, 881, 881, 881 + } ; + +static yyconst flex_int16_t yy_chk[5657] = + { 0, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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881, 881, 881 + } ; + +static yy_state_type yy_last_accepting_state; +static char *yy_last_accepting_cpos; + +extern int sudoers_flex_debug; +int sudoers_flex_debug = 0; + +/* The intent behind this definition is that it'll catch + * any uses of REJECT which flex missed. + */ +#define REJECT reject_used_but_not_detected +#define yymore() yymore_used_but_not_detected +#define YY_MORE_ADJ 0 +#define YY_RESTORE_YY_MORE_OFFSET +char *sudoerstext; +#line 1 "toke.l" +#line 2 "toke.l" +/* + * Copyright (c) 1996, 1998-2005, 2007-2017 + * Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Sponsored in part by the Defense Advanced Research Projects + * Agency (DARPA) and Air Force Research Laboratory, Air Force + * Materiel Command, USAF, under agreement number F39502-99-1-0512. + */ + +#include <config.h> + +#include <sys/types.h> +#include <sys/stat.h> +#include <stdio.h> +#include <stdlib.h> +#ifdef HAVE_STRING_H +# include <string.h> +#endif /* HAVE_STRING_H */ +#ifdef HAVE_STRINGS_H +# include <strings.h> +#endif /* HAVE_STRINGS_H */ +#if defined(HAVE_STDINT_H) +# include <stdint.h> +#elif defined(HAVE_INTTYPES_H) +# include <inttypes.h> +#endif +#include <unistd.h> +#include <dirent.h> +#include <errno.h> +#include <ctype.h> +#include "sudoers.h" +#include "toke.h" +#include <gram.h> +#include "sudo_digest.h" +#include "sudo_lbuf.h" + +#if defined(HAVE_STRUCT_DIRENT_D_NAMLEN) && HAVE_STRUCT_DIRENT_D_NAMLEN +# define NAMLEN(dirent) (dirent)->d_namlen +#else +# define NAMLEN(dirent) strlen((dirent)->d_name) +#endif + +int sudolineno; /* current sudoers line number. */ +int last_token; /* last token that was parsed. */ +char *sudoers; /* sudoers file being parsed. */ + +/* Default sudoers path, mode and owner (may be set via sudo.conf) */ +const char *sudoers_file = _PATH_SUDOERS; +mode_t sudoers_mode = SUDOERS_MODE; +uid_t sudoers_uid = SUDOERS_UID; +gid_t sudoers_gid = SUDOERS_GID; + +static bool continued, sawspace; +static int prev_state; +static int digest_type = -1; + +static bool push_include_int(char *, bool); +static bool pop_include(void); +static char *parse_include_int(const char *, bool); + +int (*trace_print)(const char *msg) = sudoers_trace_print; + +#define LEXRETURN(n) do { \ + last_token = (n); \ + return (n); \ +} while (0) + +#define ECHO ignore_result(fwrite(sudoerstext, sudoersleng, 1, sudoersout)) + +#define parse_include(_p) (parse_include_int((_p), false)) +#define parse_includedir(_p) (parse_include_int((_p), true)) +#define push_include(_p) (push_include_int((_p), false)) +#define push_includedir(_p) (push_include_int((_p), true)) +#define YY_NO_INPUT 1 + + + + + + +#line 2133 "toke.c" + +#define INITIAL 0 +#define GOTDEFS 1 +#define GOTCMND 2 +#define STARTDEFS 3 +#define INDEFS 4 +#define INSTR 5 +#define WANTDIGEST 6 + +#ifndef YY_NO_UNISTD_H +/* Special case for "unistd.h", since it is non-ANSI. We include it way + * down here because we want the user's section 1 to have been scanned first. + * The user has a chance to override it with an option. + */ +#include <unistd.h> +#endif + +#ifndef YY_EXTRA_TYPE +#define YY_EXTRA_TYPE void * +#endif + +static int yy_init_globals (void ); + +/* Accessor methods to globals. + These are made visible to non-reentrant scanners for convenience. */ + +int sudoerslex_destroy (void ); + +int sudoersget_debug (void ); + +void sudoersset_debug (int debug_flag ); + +YY_EXTRA_TYPE sudoersget_extra (void ); + +void sudoersset_extra (YY_EXTRA_TYPE user_defined ); + +FILE *sudoersget_in (void ); + +void sudoersset_in (FILE * in_str ); + +FILE *sudoersget_out (void ); + +void sudoersset_out (FILE * out_str ); + +yy_size_t sudoersget_leng (void ); + +char *sudoersget_text (void ); + +int sudoersget_lineno (void ); + +void sudoersset_lineno (int line_number ); + +/* Macros after this point can all be overridden by user definitions in + * section 1. + */ + +#ifndef YY_SKIP_YYWRAP +#ifdef __cplusplus +extern "C" int sudoerswrap (void ); +#else +extern int sudoerswrap (void ); +#endif +#endif + +#ifndef yytext_ptr +static void yy_flex_strncpy (char *,yyconst char *,int ); +#endif + +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen (yyconst char * ); +#endif + +#ifndef YY_NO_INPUT + +#ifdef __cplusplus +static int yyinput (void ); +#else +static int input (void ); +#endif + +#endif + +/* Amount of stuff to slurp up with each read. */ +#ifndef YY_READ_BUF_SIZE +#define YY_READ_BUF_SIZE 8192 +#endif + +/* Copy whatever the last rule matched to the standard output. */ +#ifndef ECHO +/* This used to be an fputs(), but since the string might contain NUL's, + * we now use fwrite(). + */ +#define ECHO do { if (fwrite( sudoerstext, sudoersleng, 1, sudoersout )) {} } while (0) +#endif + +/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL, + * is returned in "result". + */ +#ifndef YY_INPUT +#define YY_INPUT(buf,result,max_size) \ + if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \ + { \ + int c = '*'; \ + size_t n; \ + for ( n = 0; n < max_size && \ + (c = getc( sudoersin )) != EOF && c != '\n'; ++n ) \ + buf[n] = (char) c; \ + if ( c == '\n' ) \ + buf[n++] = (char) c; \ + if ( c == EOF && ferror( sudoersin ) ) \ + YY_FATAL_ERROR( "input in flex scanner failed" ); \ + result = n; \ + } \ + else \ + { \ + errno=0; \ + while ( (result = fread(buf, 1, max_size, sudoersin))==0 && ferror(sudoersin)) \ + { \ + if( errno != EINTR) \ + { \ + YY_FATAL_ERROR( "input in flex scanner failed" ); \ + break; \ + } \ + errno=0; \ + clearerr(sudoersin); \ + } \ + }\ +\ + +#endif + +/* No semi-colon after return; correct usage is to write "yyterminate();" - + * we don't want an extra ';' after the "return" because that will cause + * some compilers to complain about unreachable statements. + */ +#ifndef yyterminate +#define yyterminate() return YY_NULL +#endif + +/* Number of entries by which start-condition stack grows. */ +#ifndef YY_START_STACK_INCR +#define YY_START_STACK_INCR 25 +#endif + +/* Report a fatal error. */ +#ifndef YY_FATAL_ERROR +#define YY_FATAL_ERROR(msg) yy_fatal_error( msg ) +#endif + +/* end tables serialization structures and prototypes */ + +/* Default declaration of generated scanner - a define so the user can + * easily add parameters. + */ +#ifndef YY_DECL +#define YY_DECL_IS_OURS 1 + +extern int sudoerslex (void); + +#define YY_DECL int sudoerslex (void) +#endif /* !YY_DECL */ + +/* Code executed at the beginning of each rule, after sudoerstext and sudoersleng + * have been set up. + */ +#ifndef YY_USER_ACTION +#define YY_USER_ACTION +#endif + +/* Code executed at the end of each rule. */ +#ifndef YY_BREAK +#define YY_BREAK break; +#endif + +#define YY_RULE_SETUP \ + if ( sudoersleng > 0 ) \ + YY_CURRENT_BUFFER_LVALUE->yy_at_bol = \ + (sudoerstext[sudoersleng - 1] == '\n'); \ + YY_USER_ACTION + +/** The main scanner function which does all the work. + */ +YY_DECL +{ + yy_state_type yy_current_state; + char *yy_cp, *yy_bp; + int yy_act; + + if ( !(yy_init) ) + { + (yy_init) = 1; + +#ifdef YY_USER_INIT + YY_USER_INIT; +#endif + + if ( ! (yy_start) ) + (yy_start) = 1; /* first start state */ + + if ( ! sudoersin ) + sudoersin = stdin; + + if ( ! sudoersout ) + sudoersout = stdout; + + if ( ! YY_CURRENT_BUFFER ) { + sudoersensure_buffer_stack (); + YY_CURRENT_BUFFER_LVALUE = + sudoers_create_buffer(sudoersin,YY_BUF_SIZE ); + } + + sudoers_load_buffer_state( ); + } + + { +#line 113 "toke.l" + +#line 2351 "toke.c" + + while ( 1 ) /* loops until end-of-file is reached */ + { + yy_cp = (yy_c_buf_p); + + /* Support of sudoerstext. */ + *yy_cp = (yy_hold_char); + + /* yy_bp points to the position in yy_ch_buf of the start of + * the current run. + */ + yy_bp = yy_cp; + + yy_current_state = (yy_start); + yy_current_state += YY_AT_BOL(); +yy_match: + do + { + YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)] ; + if ( yy_accept[yy_current_state] ) + { + (yy_last_accepting_state) = yy_current_state; + (yy_last_accepting_cpos) = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 882 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + ++yy_cp; + } + while ( yy_base[yy_current_state] != 5585 ); + +yy_find_action: + yy_act = yy_accept[yy_current_state]; + if ( yy_act == 0 ) + { /* have to back up */ + yy_cp = (yy_last_accepting_cpos); + yy_current_state = (yy_last_accepting_state); + yy_act = yy_accept[yy_current_state]; + } + + YY_DO_BEFORE_ACTION; + +do_action: /* This label is used only to access EOF actions. */ + + switch ( yy_act ) + { /* beginning of action switch */ + case 0: /* must back up */ + /* undo the effects of YY_DO_BEFORE_ACTION */ + *yy_cp = (yy_hold_char); + yy_cp = (yy_last_accepting_cpos); + yy_current_state = (yy_last_accepting_state); + goto yy_find_action; + +case 1: +YY_RULE_SETUP +#line 114 "toke.l" +{ + LEXTRACE(", "); + LEXRETURN(','); + } /* return ',' */ + YY_BREAK +case 2: +YY_RULE_SETUP +#line 119 "toke.l" +BEGIN STARTDEFS; + YY_BREAK +case 3: +YY_RULE_SETUP +#line 121 "toke.l" +{ + BEGIN INDEFS; + LEXTRACE("DEFVAR "); + if (!fill(sudoerstext, sudoersleng)) + yyterminate(); + LEXRETURN(DEFVAR); + } + YY_BREAK + +case 4: +YY_RULE_SETUP +#line 130 "toke.l" +{ + BEGIN STARTDEFS; + LEXTRACE(", "); + LEXRETURN(','); + } /* return ',' */ + YY_BREAK +case 5: +YY_RULE_SETUP +#line 136 "toke.l" +{ + LEXTRACE("= "); + LEXRETURN('='); + } /* return '=' */ + YY_BREAK +case 6: +YY_RULE_SETUP +#line 141 "toke.l" +{ + LEXTRACE("+= "); + LEXRETURN('+'); + } /* return '+' */ + YY_BREAK +case 7: +YY_RULE_SETUP +#line 146 "toke.l" +{ + LEXTRACE("-= "); + LEXRETURN('-'); + } /* return '-' */ + YY_BREAK +case 8: +YY_RULE_SETUP +#line 151 "toke.l" +{ + LEXTRACE("BEGINSTR "); + sudoerslval.string = NULL; + prev_state = YY_START; + BEGIN INSTR; + } + YY_BREAK +case 9: +YY_RULE_SETUP +#line 158 "toke.l" +{ + LEXTRACE("WORD(2) "); + if (!fill(sudoerstext, sudoersleng)) + yyterminate(); + LEXRETURN(WORD); + } + YY_BREAK + + +case 10: +/* rule 10 can match eol */ +YY_RULE_SETUP +#line 167 "toke.l" +{ + /* Line continuation char followed by newline. */ + sudolineno++; + continued = true; + } + YY_BREAK +case 11: +YY_RULE_SETUP +#line 173 "toke.l" +{ + LEXTRACE("ENDSTR "); + BEGIN prev_state; + + if (sudoerslval.string == NULL) { + LEXTRACE("ERROR "); /* empty string */ + LEXRETURN(ERROR); + } + if (prev_state == INITIAL) { + switch (sudoerslval.string[0]) { + case '%': + if (sudoerslval.string[1] == '\0' || + (sudoerslval.string[1] == ':' && + sudoerslval.string[2] == '\0')) { + LEXTRACE("ERROR "); /* empty group */ + LEXRETURN(ERROR); + } + LEXTRACE("USERGROUP "); + LEXRETURN(USERGROUP); + case '+': + if (sudoerslval.string[1] == '\0') { + LEXTRACE("ERROR "); /* empty netgroup */ + LEXRETURN(ERROR); + } + LEXTRACE("NETGROUP "); + LEXRETURN(NETGROUP); + } + } + LEXTRACE("WORD(4) "); + LEXRETURN(WORD); + } + YY_BREAK +case 12: +YY_RULE_SETUP +#line 205 "toke.l" +{ + LEXTRACE("BACKSLASH "); + if (!append(sudoerstext, sudoersleng)) + yyterminate(); + } + YY_BREAK +case 13: +YY_RULE_SETUP +#line 211 "toke.l" +{ + LEXTRACE("STRBODY "); + if (!append(sudoerstext, sudoersleng)) + yyterminate(); + } + YY_BREAK + + +case 14: +YY_RULE_SETUP +#line 219 "toke.l" +{ + /* quoted fnmatch glob char, pass verbatim */ + LEXTRACE("QUOTEDCHAR "); + if (!fill_args(sudoerstext, 2, sawspace)) + yyterminate(); + sawspace = false; + } + YY_BREAK +case 15: +YY_RULE_SETUP +#line 227 "toke.l" +{ + /* quoted sudoers special char, strip backslash */ + LEXTRACE("QUOTEDCHAR "); + if (!fill_args(sudoerstext + 1, 1, sawspace)) + yyterminate(); + sawspace = false; + } + YY_BREAK +case 16: +/* rule 16 can match eol */ +YY_RULE_SETUP +#line 235 "toke.l" +{ + BEGIN INITIAL; + yyless(0); + LEXRETURN(COMMAND); + } /* end of command line args */ + YY_BREAK +case 17: +YY_RULE_SETUP +#line 241 "toke.l" +{ + LEXTRACE("ARG "); + if (!fill_args(sudoerstext, sudoersleng, sawspace)) + yyterminate(); + sawspace = false; + } /* a command line arg */ + YY_BREAK + +case 18: +YY_RULE_SETUP +#line 249 "toke.l" +{ + /* Only return DIGEST if the length is correct. */ + yy_size_t digest_len = + sudo_digest_getlen(digest_type); + if ((yy_size_t)sudoersleng == digest_len * 2) { + if (!fill(sudoerstext, sudoersleng)) + yyterminate(); + BEGIN INITIAL; + LEXTRACE("DIGEST "); + LEXRETURN(DIGEST); + } + BEGIN INITIAL; + yyless(sudoersleng); + } /* hex digest */ + YY_BREAK +case 19: +YY_RULE_SETUP +#line 264 "toke.l" +{ + /* Only return DIGEST if the length is correct. */ + yy_size_t len, digest_len = + sudo_digest_getlen(digest_type); + if (sudoerstext[sudoersleng - 1] == '=') { + /* use padding */ + len = 4 * ((digest_len + 2) / 3); + } else { + /* no padding */ + len = (4 * digest_len + 2) / 3; + } + if ((yy_size_t)sudoersleng == len) { + if (!fill(sudoerstext, sudoersleng)) + yyterminate(); + BEGIN INITIAL; + LEXTRACE("DIGEST "); + LEXRETURN(DIGEST); + } + BEGIN INITIAL; + yyless(sudoersleng); + } /* base64 digest */ + YY_BREAK +case 20: +/* rule 20 can match eol */ +YY_RULE_SETUP +#line 286 "toke.l" +{ + char *path; + + if (continued) { + LEXTRACE("ERROR "); + LEXRETURN(ERROR); + } + + if ((path = parse_include(sudoerstext)) == NULL) + yyterminate(); + + LEXTRACE("INCLUDE\n"); + + /* Push current buffer and switch to include file */ + if (!push_include(path)) + yyterminate(); + } + YY_BREAK +case 21: +/* rule 21 can match eol */ +YY_RULE_SETUP +#line 304 "toke.l" +{ + char *path; + + if (continued) { + LEXTRACE("ERROR "); + LEXRETURN(ERROR); + } + + if ((path = parse_includedir(sudoerstext)) == NULL) + yyterminate(); + + LEXTRACE("INCLUDEDIR\n"); + + /* + * Push current buffer and switch to include file, + * ignoring missing or empty directories. + */ + if (!push_includedir(path)) + yyterminate(); + } + YY_BREAK +case 22: +YY_RULE_SETUP +#line 325 "toke.l" +{ + char deftype; + int n; + + if (continued) { + LEXTRACE("ERROR "); + LEXRETURN(ERROR); + } + + for (n = 0; isblank((unsigned char)sudoerstext[n]); n++) + continue; + n += sizeof("Defaults") - 1; + if ((deftype = sudoerstext[n++]) != '\0') { + while (isblank((unsigned char)sudoerstext[n])) + n++; + } + BEGIN GOTDEFS; + switch (deftype) { + case ':': + yyless(n); + LEXTRACE("DEFAULTS_USER "); + LEXRETURN(DEFAULTS_USER); + case '>': + yyless(n); + LEXTRACE("DEFAULTS_RUNAS "); + LEXRETURN(DEFAULTS_RUNAS); + case '@': + yyless(n); + LEXTRACE("DEFAULTS_HOST "); + LEXRETURN(DEFAULTS_HOST); + case '!': + yyless(n); + LEXTRACE("DEFAULTS_CMND "); + LEXRETURN(DEFAULTS_CMND); + default: + LEXTRACE("DEFAULTS "); + LEXRETURN(DEFAULTS); + } + } + YY_BREAK +case 23: +YY_RULE_SETUP +#line 365 "toke.l" +{ + int n; + + if (continued) { + LEXTRACE("ERROR "); + LEXRETURN(ERROR); + } + + for (n = 0; isblank((unsigned char)sudoerstext[n]); n++) + continue; + switch (sudoerstext[n]) { + case 'H': + LEXTRACE("HOSTALIAS "); + LEXRETURN(HOSTALIAS); + case 'C': + LEXTRACE("CMNDALIAS "); + LEXRETURN(CMNDALIAS); + case 'U': + LEXTRACE("USERALIAS "); + LEXRETURN(USERALIAS); + case 'R': + LEXTRACE("RUNASALIAS "); + LEXRETURN(RUNASALIAS); + } + } + YY_BREAK +case 24: +YY_RULE_SETUP +#line 391 "toke.l" +{ + /* cmnd does not require passwd for this user */ + LEXTRACE("NOPASSWD "); + LEXRETURN(NOPASSWD); + } + YY_BREAK +case 25: +YY_RULE_SETUP +#line 397 "toke.l" +{ + /* cmnd requires passwd for this user */ + LEXTRACE("PASSWD "); + LEXRETURN(PASSWD); + } + YY_BREAK +case 26: +YY_RULE_SETUP +#line 403 "toke.l" +{ + LEXTRACE("NOEXEC "); + LEXRETURN(NOEXEC); + } + YY_BREAK +case 27: +YY_RULE_SETUP +#line 408 "toke.l" +{ + LEXTRACE("EXEC "); + LEXRETURN(EXEC); + } + YY_BREAK +case 28: +YY_RULE_SETUP +#line 413 "toke.l" +{ + LEXTRACE("SETENV "); + LEXRETURN(SETENV); + } + YY_BREAK +case 29: +YY_RULE_SETUP +#line 418 "toke.l" +{ + LEXTRACE("NOSETENV "); + LEXRETURN(NOSETENV); + } + YY_BREAK +case 30: +YY_RULE_SETUP +#line 423 "toke.l" +{ + LEXTRACE("LOG_OUTPUT "); + LEXRETURN(LOG_OUTPUT); + } + YY_BREAK +case 31: +YY_RULE_SETUP +#line 428 "toke.l" +{ + LEXTRACE("NOLOG_OUTPUT "); + LEXRETURN(NOLOG_OUTPUT); + } + YY_BREAK +case 32: +YY_RULE_SETUP +#line 433 "toke.l" +{ + LEXTRACE("LOG_INPUT "); + LEXRETURN(LOG_INPUT); + } + YY_BREAK +case 33: +YY_RULE_SETUP +#line 438 "toke.l" +{ + LEXTRACE("NOLOG_INPUT "); + LEXRETURN(NOLOG_INPUT); + } + YY_BREAK +case 34: +YY_RULE_SETUP +#line 443 "toke.l" +{ + LEXTRACE("MAIL "); + LEXRETURN(MAIL); + } + YY_BREAK +case 35: +YY_RULE_SETUP +#line 448 "toke.l" +{ + LEXTRACE("NOMAIL "); + LEXRETURN(NOMAIL); + } + YY_BREAK +case 36: +YY_RULE_SETUP +#line 453 "toke.l" +{ + LEXTRACE("FOLLOW "); + LEXRETURN(FOLLOW); + } + YY_BREAK +case 37: +YY_RULE_SETUP +#line 458 "toke.l" +{ + LEXTRACE("NOFOLLOW "); + LEXRETURN(NOFOLLOW); + } + YY_BREAK +case 38: +YY_RULE_SETUP +#line 463 "toke.l" +{ + /* empty group or netgroup */ + LEXTRACE("ERROR "); + LEXRETURN(ERROR); + } + YY_BREAK +case 39: +YY_RULE_SETUP +#line 469 "toke.l" +{ + /* netgroup */ + if (!fill(sudoerstext, sudoersleng)) + yyterminate(); + LEXTRACE("NETGROUP "); + LEXRETURN(NETGROUP); + } + YY_BREAK +case 40: +YY_RULE_SETUP +#line 477 "toke.l" +{ + /* group */ + if (!fill(sudoerstext, sudoersleng)) + yyterminate(); + LEXTRACE("USERGROUP "); + LEXRETURN(USERGROUP); + } + YY_BREAK +case 41: +YY_RULE_SETUP +#line 485 "toke.l" +{ + if (!fill(sudoerstext, sudoersleng)) + yyterminate(); + LEXTRACE("NTWKADDR "); + LEXRETURN(NTWKADDR); + } + YY_BREAK +case 42: +YY_RULE_SETUP +#line 492 "toke.l" +{ + if (!fill(sudoerstext, sudoersleng)) + yyterminate(); + LEXTRACE("NTWKADDR "); + LEXRETURN(NTWKADDR); + } + YY_BREAK +case 43: +YY_RULE_SETUP +#line 499 "toke.l" +{ + if (!ipv6_valid(sudoerstext)) { + LEXTRACE("ERROR "); + LEXRETURN(ERROR); + } + if (!fill(sudoerstext, sudoersleng)) + yyterminate(); + LEXTRACE("NTWKADDR "); + LEXRETURN(NTWKADDR); + } + YY_BREAK +case 44: +YY_RULE_SETUP +#line 510 "toke.l" +{ + if (!ipv6_valid(sudoerstext)) { + LEXTRACE("ERROR "); + LEXRETURN(ERROR); + } + if (!fill(sudoerstext, sudoersleng)) + yyterminate(); + LEXTRACE("NTWKADDR "); + LEXRETURN(NTWKADDR); + } + YY_BREAK +case 45: +YY_RULE_SETUP +#line 521 "toke.l" +{ + LEXTRACE("ALL "); + LEXRETURN(ALL); + + } + YY_BREAK +case 46: +YY_RULE_SETUP +#line 527 "toke.l" +{ + LEXTRACE("CMND_TIMEOUT "); + LEXRETURN(CMND_TIMEOUT); + } + YY_BREAK +case 47: +YY_RULE_SETUP +#line 532 "toke.l" +{ + LEXTRACE("NOTBEFORE "); + LEXRETURN(NOTBEFORE); + } + YY_BREAK +case 48: +YY_RULE_SETUP +#line 537 "toke.l" +{ + LEXTRACE("NOTAFTER "); + LEXRETURN(NOTAFTER); + } + YY_BREAK +case 49: +YY_RULE_SETUP +#line 542 "toke.l" +{ +#ifdef HAVE_SELINUX + LEXTRACE("ROLE "); + LEXRETURN(ROLE); +#else + goto got_alias; +#endif + } + YY_BREAK +case 50: +YY_RULE_SETUP +#line 551 "toke.l" +{ +#ifdef HAVE_SELINUX + LEXTRACE("TYPE "); + LEXRETURN(TYPE); +#else + goto got_alias; +#endif + } + YY_BREAK +case 51: +YY_RULE_SETUP +#line 559 "toke.l" +{ +#ifdef HAVE_PRIV_SET + LEXTRACE("PRIVS "); + LEXRETURN(PRIVS); +#else + goto got_alias; +#endif + } + YY_BREAK +case 52: +YY_RULE_SETUP +#line 568 "toke.l" +{ +#ifdef HAVE_PRIV_SET + LEXTRACE("LIMITPRIVS "); + LEXRETURN(LIMITPRIVS); +#else + goto got_alias; +#endif + } + YY_BREAK +case 53: +YY_RULE_SETUP +#line 577 "toke.l" +{ + got_alias: + if (!fill(sudoerstext, sudoersleng)) + yyterminate(); + LEXTRACE("ALIAS "); + LEXRETURN(ALIAS); + } + YY_BREAK +case 54: +YY_RULE_SETUP +#line 585 "toke.l" +{ + /* XXX - no way to specify digest for command */ + /* no command args allowed for Defaults!/path */ + if (!fill_cmnd(sudoerstext, sudoersleng)) + yyterminate(); + LEXTRACE("COMMAND "); + LEXRETURN(COMMAND); + } + YY_BREAK +case 55: +YY_RULE_SETUP +#line 594 "toke.l" +{ + digest_type = SUDO_DIGEST_SHA224; + BEGIN WANTDIGEST; + LEXTRACE("SHA224_TOK "); + LEXRETURN(SHA224_TOK); + } + YY_BREAK +case 56: +YY_RULE_SETUP +#line 601 "toke.l" +{ + digest_type = SUDO_DIGEST_SHA256; + BEGIN WANTDIGEST; + LEXTRACE("SHA256_TOK "); + LEXRETURN(SHA256_TOK); + } + YY_BREAK +case 57: +YY_RULE_SETUP +#line 608 "toke.l" +{ + digest_type = SUDO_DIGEST_SHA384; + BEGIN WANTDIGEST; + LEXTRACE("SHA384_TOK "); + LEXRETURN(SHA384_TOK); + } + YY_BREAK +case 58: +YY_RULE_SETUP +#line 615 "toke.l" +{ + digest_type = SUDO_DIGEST_SHA512; + BEGIN WANTDIGEST; + LEXTRACE("SHA512_TOK "); + LEXRETURN(SHA512_TOK); + } + YY_BREAK +case 59: +YY_RULE_SETUP +#line 622 "toke.l" +{ + BEGIN GOTCMND; + LEXTRACE("COMMAND "); + if (!fill_cmnd(sudoerstext, sudoersleng)) + yyterminate(); + } /* sudo -e */ + YY_BREAK +case 60: +YY_RULE_SETUP +#line 629 "toke.l" +{ + /* directories can't have args... */ + if (sudoerstext[sudoersleng - 1] == '/') { + LEXTRACE("COMMAND "); + if (!fill_cmnd(sudoerstext, sudoersleng)) + yyterminate(); + LEXRETURN(COMMAND); + } else { + BEGIN GOTCMND; + LEXTRACE("COMMAND "); + if (!fill_cmnd(sudoerstext, sudoersleng)) + yyterminate(); + } + } /* a pathname */ + YY_BREAK +case 61: +YY_RULE_SETUP +#line 644 "toke.l" +{ + LEXTRACE("BEGINSTR "); + sudoerslval.string = NULL; + prev_state = YY_START; + BEGIN INSTR; + } + YY_BREAK +case 62: +YY_RULE_SETUP +#line 651 "toke.l" +{ + /* a word */ + if (!fill(sudoerstext, sudoersleng)) + yyterminate(); + LEXTRACE("WORD(5) "); + LEXRETURN(WORD); + } + YY_BREAK +case 63: +YY_RULE_SETUP +#line 659 "toke.l" +{ + LEXTRACE("( "); + LEXRETURN('('); + } + YY_BREAK +case 64: +YY_RULE_SETUP +#line 664 "toke.l" +{ + LEXTRACE(") "); + LEXRETURN(')'); + } + YY_BREAK +case 65: +YY_RULE_SETUP +#line 669 "toke.l" +{ + LEXTRACE(", "); + LEXRETURN(','); + } /* return ',' */ + YY_BREAK +case 66: +YY_RULE_SETUP +#line 674 "toke.l" +{ + LEXTRACE("= "); + LEXRETURN('='); + } /* return '=' */ + YY_BREAK +case 67: +YY_RULE_SETUP +#line 679 "toke.l" +{ + LEXTRACE(": "); + LEXRETURN(':'); + } /* return ':' */ + YY_BREAK +case 68: +YY_RULE_SETUP +#line 684 "toke.l" +{ + if (sudoersleng & 1) { + LEXTRACE("!"); + LEXRETURN('!'); /* return '!' */ + } + } + YY_BREAK +case 69: +/* rule 69 can match eol */ +YY_RULE_SETUP +#line 691 "toke.l" +{ + if (YY_START == INSTR) { + LEXTRACE("ERROR "); + LEXRETURN(ERROR); /* line break in string */ + } + BEGIN INITIAL; + sudolineno++; + continued = false; + LEXTRACE("\n"); + LEXRETURN(COMMENT); + } /* return newline */ + YY_BREAK +case 70: +YY_RULE_SETUP +#line 703 "toke.l" +{ /* throw away space/tabs */ + sawspace = true; /* but remember for fill_args */ + } + YY_BREAK +case 71: +/* rule 71 can match eol */ +YY_RULE_SETUP +#line 707 "toke.l" +{ + sawspace = true; /* remember for fill_args */ + sudolineno++; + continued = true; + } /* throw away EOL after \ */ + YY_BREAK +case 72: +/* rule 72 can match eol */ +YY_RULE_SETUP +#line 713 "toke.l" +{ + if (sudoerstext[sudoersleng - 1] == '\n') { + /* comment ending in a newline */ + BEGIN INITIAL; + sudolineno++; + continued = false; + } else if (!feof(sudoersin)) { + LEXTRACE("ERROR "); + LEXRETURN(ERROR); + } + LEXTRACE("#\n"); + LEXRETURN(COMMENT); + } /* comment, not uid/gid */ + YY_BREAK +case 73: +YY_RULE_SETUP +#line 727 "toke.l" +{ + LEXTRACE("ERROR "); + LEXRETURN(ERROR); + } /* parse error */ + YY_BREAK +case YY_STATE_EOF(INITIAL): +case YY_STATE_EOF(GOTDEFS): +case YY_STATE_EOF(GOTCMND): +case YY_STATE_EOF(STARTDEFS): +case YY_STATE_EOF(INDEFS): +case YY_STATE_EOF(INSTR): +case YY_STATE_EOF(WANTDIGEST): +#line 732 "toke.l" +{ + if (YY_START != INITIAL) { + BEGIN INITIAL; + LEXTRACE("ERROR "); + LEXRETURN(ERROR); + } + if (!pop_include()) + yyterminate(); + } + YY_BREAK +case 74: +YY_RULE_SETUP +#line 742 "toke.l" +ECHO; + YY_BREAK +#line 3277 "toke.c" + + case YY_END_OF_BUFFER: + { + /* Amount of text matched not including the EOB char. */ + int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1; + + /* Undo the effects of YY_DO_BEFORE_ACTION. */ + *yy_cp = (yy_hold_char); + YY_RESTORE_YY_MORE_OFFSET + + if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW ) + { + /* We're scanning a new file or input source. It's + * possible that this happened because the user + * just pointed sudoersin at a new source and called + * sudoerslex(). If so, then we have to assure + * consistency between YY_CURRENT_BUFFER and our + * globals. Here is the right place to do so, because + * this is the first action (other than possibly a + * back-up) that will match for the new input source. + */ + (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; + YY_CURRENT_BUFFER_LVALUE->yy_input_file = sudoersin; + YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL; + } + + /* Note that here we test for yy_c_buf_p "<=" to the position + * of the first EOB in the buffer, since yy_c_buf_p will + * already have been incremented past the NUL character + * (since all states make transitions on EOB to the + * end-of-buffer state). Contrast this with the test + * in input(). + */ + if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) + { /* This was really a NUL. */ + yy_state_type yy_next_state; + + (yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state( ); + + /* Okay, we're now positioned to make the NUL + * transition. We couldn't have + * yy_get_previous_state() go ahead and do it + * for us because it doesn't know how to deal + * with the possibility of jamming (and we don't + * want to build jamming into it because then it + * will run more slowly). + */ + + yy_next_state = yy_try_NUL_trans( yy_current_state ); + + yy_bp = (yytext_ptr) + YY_MORE_ADJ; + + if ( yy_next_state ) + { + /* Consume the NUL. */ + yy_cp = ++(yy_c_buf_p); + yy_current_state = yy_next_state; + goto yy_match; + } + + else + { + yy_cp = (yy_c_buf_p); + goto yy_find_action; + } + } + + else switch ( yy_get_next_buffer( ) ) + { + case EOB_ACT_END_OF_FILE: + { + (yy_did_buffer_switch_on_eof) = 0; + + if ( sudoerswrap( ) ) + { + /* Note: because we've taken care in + * yy_get_next_buffer() to have set up + * sudoerstext, we can now set up + * yy_c_buf_p so that if some total + * hoser (like flex itself) wants to + * call the scanner after we return the + * YY_NULL, it'll still work - another + * YY_NULL will get returned. + */ + (yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ; + + yy_act = YY_STATE_EOF(YY_START); + goto do_action; + } + + else + { + if ( ! (yy_did_buffer_switch_on_eof) ) + YY_NEW_FILE; + } + break; + } + + case EOB_ACT_CONTINUE_SCAN: + (yy_c_buf_p) = + (yytext_ptr) + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state( ); + + yy_cp = (yy_c_buf_p); + yy_bp = (yytext_ptr) + YY_MORE_ADJ; + goto yy_match; + + case EOB_ACT_LAST_MATCH: + (yy_c_buf_p) = + &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)]; + + yy_current_state = yy_get_previous_state( ); + + yy_cp = (yy_c_buf_p); + yy_bp = (yytext_ptr) + YY_MORE_ADJ; + goto yy_find_action; + } + break; + } + + default: + YY_FATAL_ERROR( + "fatal flex scanner internal error--no action found" ); + } /* end of action switch */ + } /* end of scanning one token */ + } /* end of user's declarations */ +} /* end of sudoerslex */ + +/* yy_get_next_buffer - try to read in a new buffer + * + * Returns a code representing an action: + * EOB_ACT_LAST_MATCH - + * EOB_ACT_CONTINUE_SCAN - continue scanning from current position + * EOB_ACT_END_OF_FILE - end of file + */ +static int yy_get_next_buffer (void) +{ + char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf; + char *source = (yytext_ptr); + int number_to_move, i; + int ret_val; + + if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] ) + YY_FATAL_ERROR( + "fatal flex scanner internal error--end of buffer missed" ); + + if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 ) + { /* Don't try to fill the buffer, so this is an EOF. */ + if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 ) + { + /* We matched a single character, the EOB, so + * treat this as a final EOF. + */ + return EOB_ACT_END_OF_FILE; + } + + else + { + /* We matched some text prior to the EOB, first + * process it. + */ + return EOB_ACT_LAST_MATCH; + } + } + + /* Try to read more data. */ + + /* First move last chars to start of buffer. */ + number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr)) - 1; + + for ( i = 0; i < number_to_move; ++i ) + *(dest++) = *(source++); + + if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING ) + /* don't do the read, it's not guaranteed to return an EOF, + * just force an EOF + */ + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0; + + else + { + yy_size_t num_to_read = + YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1; + + while ( num_to_read <= 0 ) + { /* Not enough room in the buffer - grow it. */ + + /* just a shorter name for the current buffer */ + YY_BUFFER_STATE b = YY_CURRENT_BUFFER_LVALUE; + + int yy_c_buf_p_offset = + (int) ((yy_c_buf_p) - b->yy_ch_buf); + + if ( b->yy_is_our_buffer ) + { + yy_size_t new_size = b->yy_buf_size * 2; + + if ( new_size <= 0 ) + b->yy_buf_size += b->yy_buf_size / 8; + else + b->yy_buf_size *= 2; + + b->yy_ch_buf = (char *) + /* Include room in for 2 EOB chars. */ + sudoersrealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 ); + } + else + /* Can't grow it, we don't own it. */ + b->yy_ch_buf = 0; + + if ( ! b->yy_ch_buf ) + YY_FATAL_ERROR( + "fatal error - scanner input buffer overflow" ); + + (yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset]; + + num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size - + number_to_move - 1; + + } + + if ( num_to_read > YY_READ_BUF_SIZE ) + num_to_read = YY_READ_BUF_SIZE; + + /* Read in more data. */ + YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]), + (yy_n_chars), num_to_read ); + + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); + } + + if ( (yy_n_chars) == 0 ) + { + if ( number_to_move == YY_MORE_ADJ ) + { + ret_val = EOB_ACT_END_OF_FILE; + sudoersrestart(sudoersin ); + } + + else + { + ret_val = EOB_ACT_LAST_MATCH; + YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = + YY_BUFFER_EOF_PENDING; + } + } + + else + ret_val = EOB_ACT_CONTINUE_SCAN; + + if ((yy_size_t) ((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) { + /* Extend the array by 50%, plus the number we really need. */ + yy_size_t new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1); + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) sudoersrealloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size ); + if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) + YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" ); + /* "- 2" to take care of EOB's */ + YY_CURRENT_BUFFER_LVALUE->yy_buf_size = (int) (new_size - 2); + } + + (yy_n_chars) += number_to_move; + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR; + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR; + + (yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0]; + + return ret_val; +} + +/* yy_get_previous_state - get the state just before the EOB char was reached */ + + static yy_state_type yy_get_previous_state (void) +{ + yy_state_type yy_current_state; + char *yy_cp; + + yy_current_state = (yy_start); + yy_current_state += YY_AT_BOL(); + + for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp ) + { + YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1); + if ( yy_accept[yy_current_state] ) + { + (yy_last_accepting_state) = yy_current_state; + (yy_last_accepting_cpos) = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 882 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + } + + return yy_current_state; +} + +/* yy_try_NUL_trans - try to make a transition on the NUL character + * + * synopsis + * next_state = yy_try_NUL_trans( current_state ); + */ + static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state ) +{ + int yy_is_jam; + char *yy_cp = (yy_c_buf_p); + + YY_CHAR yy_c = 1; + if ( yy_accept[yy_current_state] ) + { + (yy_last_accepting_state) = yy_current_state; + (yy_last_accepting_cpos) = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 882 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + yy_is_jam = (yy_current_state == 881); + + return yy_is_jam ? 0 : yy_current_state; +} + +#ifndef YY_NO_INPUT +#ifdef __cplusplus + static int yyinput (void) +#else + static int input (void) +#endif + +{ + int c; + + *(yy_c_buf_p) = (yy_hold_char); + + if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR ) + { + /* yy_c_buf_p now points to the character we want to return. + * If this occurs *before* the EOB characters, then it's a + * valid NUL; if not, then we've hit the end of the buffer. + */ + if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) + /* This was really a NUL. */ + *(yy_c_buf_p) = '\0'; + + else + { /* need more input */ + yy_size_t offset = (yy_c_buf_p) - (yytext_ptr); + ++(yy_c_buf_p); + + switch ( yy_get_next_buffer( ) ) + { + case EOB_ACT_LAST_MATCH: + /* This happens because yy_g_n_b() + * sees that we've accumulated a + * token and flags that we need to + * try matching the token before + * proceeding. But for input(), + * there's no matching to consider. + * So convert the EOB_ACT_LAST_MATCH + * to EOB_ACT_END_OF_FILE. + */ + + /* Reset buffer status. */ + sudoersrestart(sudoersin ); + + /*FALLTHROUGH*/ + + case EOB_ACT_END_OF_FILE: + { + if ( sudoerswrap( ) ) + return EOF; + + if ( ! (yy_did_buffer_switch_on_eof) ) + YY_NEW_FILE; +#ifdef __cplusplus + return yyinput(); +#else + return input(); +#endif + } + + case EOB_ACT_CONTINUE_SCAN: + (yy_c_buf_p) = (yytext_ptr) + offset; + break; + } + } + } + + c = *(unsigned char *) (yy_c_buf_p); /* cast for 8-bit char's */ + *(yy_c_buf_p) = '\0'; /* preserve sudoerstext */ + (yy_hold_char) = *++(yy_c_buf_p); + + YY_CURRENT_BUFFER_LVALUE->yy_at_bol = (c == '\n'); + + return c; +} +#endif /* ifndef YY_NO_INPUT */ + +/** Immediately switch to a different input stream. + * @param input_file A readable stream. + * + * @note This function does not reset the start condition to @c INITIAL . + */ + void sudoersrestart (FILE * input_file ) +{ + + if ( ! YY_CURRENT_BUFFER ){ + sudoersensure_buffer_stack (); + YY_CURRENT_BUFFER_LVALUE = + sudoers_create_buffer(sudoersin,YY_BUF_SIZE ); + } + + sudoers_init_buffer(YY_CURRENT_BUFFER,input_file ); + sudoers_load_buffer_state( ); +} + +/** Switch to a different input buffer. + * @param new_buffer The new input buffer. + * + */ + void sudoers_switch_to_buffer (YY_BUFFER_STATE new_buffer ) +{ + + /* TODO. We should be able to replace this entire function body + * with + * sudoerspop_buffer_state(); + * sudoerspush_buffer_state(new_buffer); + */ + sudoersensure_buffer_stack (); + if ( YY_CURRENT_BUFFER == new_buffer ) + return; + + if ( YY_CURRENT_BUFFER ) + { + /* Flush out information for old buffer. */ + *(yy_c_buf_p) = (yy_hold_char); + YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); + } + + YY_CURRENT_BUFFER_LVALUE = new_buffer; + sudoers_load_buffer_state( ); + + /* We don't actually know whether we did this switch during + * EOF (sudoerswrap()) processing, but the only time this flag + * is looked at is after sudoerswrap() is called, so it's safe + * to go ahead and always set it. + */ + (yy_did_buffer_switch_on_eof) = 1; +} + +static void sudoers_load_buffer_state (void) +{ + (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; + (yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos; + sudoersin = YY_CURRENT_BUFFER_LVALUE->yy_input_file; + (yy_hold_char) = *(yy_c_buf_p); +} + +/** Allocate and initialize an input buffer state. + * @param file A readable stream. + * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE. + * + * @return the allocated buffer state. + */ + YY_BUFFER_STATE sudoers_create_buffer (FILE * file, int size ) +{ + YY_BUFFER_STATE b; + + b = (YY_BUFFER_STATE) sudoersalloc(sizeof( struct yy_buffer_state ) ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in sudoers_create_buffer()" ); + + b->yy_buf_size = size; + + /* yy_ch_buf has to be 2 characters longer than the size given because + * we need to put in 2 end-of-buffer characters. + */ + b->yy_ch_buf = (char *) sudoersalloc(b->yy_buf_size + 2 ); + if ( ! b->yy_ch_buf ) + YY_FATAL_ERROR( "out of dynamic memory in sudoers_create_buffer()" ); + + b->yy_is_our_buffer = 1; + + sudoers_init_buffer(b,file ); + + return b; +} + +/** Destroy the buffer. + * @param b a buffer created with sudoers_create_buffer() + * + */ + void sudoers_delete_buffer (YY_BUFFER_STATE b ) +{ + + if ( ! b ) + return; + + if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */ + YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0; + + if ( b->yy_is_our_buffer ) + sudoersfree((void *) b->yy_ch_buf ); + + sudoersfree((void *) b ); +} + +/* Initializes or reinitializes a buffer. + * This function is sometimes called more than once on the same buffer, + * such as during a sudoersrestart() or at EOF. + */ + static void sudoers_init_buffer (YY_BUFFER_STATE b, FILE * file ) + +{ + int oerrno = errno; + + sudoers_flush_buffer(b ); + + b->yy_input_file = file; + b->yy_fill_buffer = 1; + + /* If b is the current buffer, then sudoers_init_buffer was _probably_ + * called from sudoersrestart() or through yy_get_next_buffer. + * In that case, we don't want to reset the lineno or column. + */ + if (b != YY_CURRENT_BUFFER){ + b->yy_bs_lineno = 1; + b->yy_bs_column = 0; + } + + b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0; + + errno = oerrno; +} + +/** Discard all buffered characters. On the next scan, YY_INPUT will be called. + * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER. + * + */ + void sudoers_flush_buffer (YY_BUFFER_STATE b ) +{ + if ( ! b ) + return; + + b->yy_n_chars = 0; + + /* We always need two end-of-buffer characters. The first causes + * a transition to the end-of-buffer state. The second causes + * a jam in that state. + */ + b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR; + b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; + + b->yy_buf_pos = &b->yy_ch_buf[0]; + + b->yy_at_bol = 1; + b->yy_buffer_status = YY_BUFFER_NEW; + + if ( b == YY_CURRENT_BUFFER ) + sudoers_load_buffer_state( ); +} + +/** Pushes the new state onto the stack. The new state becomes + * the current state. This function will allocate the stack + * if necessary. + * @param new_buffer The new state. + * + */ +void sudoerspush_buffer_state (YY_BUFFER_STATE new_buffer ) +{ + if (new_buffer == NULL) + return; + + sudoersensure_buffer_stack(); + + /* This block is copied from sudoers_switch_to_buffer. */ + if ( YY_CURRENT_BUFFER ) + { + /* Flush out information for old buffer. */ + *(yy_c_buf_p) = (yy_hold_char); + YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); + } + + /* Only push if top exists. Otherwise, replace top. */ + if (YY_CURRENT_BUFFER) + (yy_buffer_stack_top)++; + YY_CURRENT_BUFFER_LVALUE = new_buffer; + + /* copied from sudoers_switch_to_buffer. */ + sudoers_load_buffer_state( ); + (yy_did_buffer_switch_on_eof) = 1; +} + +/** Removes and deletes the top of the stack, if present. + * The next element becomes the new top. + * + */ +void sudoerspop_buffer_state (void) +{ + if (!YY_CURRENT_BUFFER) + return; + + sudoers_delete_buffer(YY_CURRENT_BUFFER ); + YY_CURRENT_BUFFER_LVALUE = NULL; + if ((yy_buffer_stack_top) > 0) + --(yy_buffer_stack_top); + + if (YY_CURRENT_BUFFER) { + sudoers_load_buffer_state( ); + (yy_did_buffer_switch_on_eof) = 1; + } +} + +/* Allocates the stack if it does not exist. + * Guarantees space for at least one push. + */ +static void sudoersensure_buffer_stack (void) +{ + yy_size_t num_to_alloc; + + if (!(yy_buffer_stack)) { + + /* First allocation is just for 2 elements, since we don't know if this + * scanner will even need a stack. We use 2 instead of 1 to avoid an + * immediate realloc on the next call. + */ + num_to_alloc = 1; + (yy_buffer_stack) = (struct yy_buffer_state**)sudoersalloc + (num_to_alloc * sizeof(struct yy_buffer_state*) + ); + if ( ! (yy_buffer_stack) ) + YY_FATAL_ERROR( "out of dynamic memory in sudoersensure_buffer_stack()" ); + + memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*)); + + (yy_buffer_stack_max) = num_to_alloc; + (yy_buffer_stack_top) = 0; + return; + } + + if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){ + + /* Increase the buffer to prepare for a possible push. */ + int grow_size = 8 /* arbitrary grow size */; + + num_to_alloc = (yy_buffer_stack_max) + grow_size; + (yy_buffer_stack) = (struct yy_buffer_state**)sudoersrealloc + ((yy_buffer_stack), + num_to_alloc * sizeof(struct yy_buffer_state*) + ); + if ( ! (yy_buffer_stack) ) + YY_FATAL_ERROR( "out of dynamic memory in sudoersensure_buffer_stack()" ); + + /* zero only the new slots.*/ + memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*)); + (yy_buffer_stack_max) = num_to_alloc; + } +} + +/** Setup the input buffer state to scan directly from a user-specified character buffer. + * @param base the character buffer + * @param size the size in bytes of the character buffer + * + * @return the newly allocated buffer state object. + */ +YY_BUFFER_STATE sudoers_scan_buffer (char * base, yy_size_t size ) +{ + YY_BUFFER_STATE b; + + if ( size < 2 || + base[size-2] != YY_END_OF_BUFFER_CHAR || + base[size-1] != YY_END_OF_BUFFER_CHAR ) + /* They forgot to leave room for the EOB's. */ + return 0; + + b = (YY_BUFFER_STATE) sudoersalloc(sizeof( struct yy_buffer_state ) ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in sudoers_scan_buffer()" ); + + b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */ + b->yy_buf_pos = b->yy_ch_buf = base; + b->yy_is_our_buffer = 0; + b->yy_input_file = 0; + b->yy_n_chars = b->yy_buf_size; + b->yy_is_interactive = 0; + b->yy_at_bol = 1; + b->yy_fill_buffer = 0; + b->yy_buffer_status = YY_BUFFER_NEW; + + sudoers_switch_to_buffer(b ); + + return b; +} + +/** Setup the input buffer state to scan a string. The next call to sudoerslex() will + * scan from a @e copy of @a str. + * @param yystr a NUL-terminated string to scan + * + * @return the newly allocated buffer state object. + * @note If you want to scan bytes that may contain NUL values, then use + * sudoers_scan_bytes() instead. + */ +YY_BUFFER_STATE sudoers_scan_string (yyconst char * yystr ) +{ + + return sudoers_scan_bytes(yystr,strlen(yystr) ); +} + +/** Setup the input buffer state to scan the given bytes. The next call to sudoerslex() will + * scan from a @e copy of @a bytes. + * @param yybytes the byte buffer to scan + * @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes. + * + * @return the newly allocated buffer state object. + */ +YY_BUFFER_STATE sudoers_scan_bytes (yyconst char * yybytes, yy_size_t _yybytes_len ) +{ + YY_BUFFER_STATE b; + char *buf; + yy_size_t n; + yy_size_t i; + + /* Get memory for full buffer, including space for trailing EOB's. */ + n = _yybytes_len + 2; + buf = (char *) sudoersalloc(n ); + if ( ! buf ) + YY_FATAL_ERROR( "out of dynamic memory in sudoers_scan_bytes()" ); + + for ( i = 0; i < _yybytes_len; ++i ) + buf[i] = yybytes[i]; + + buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR; + + b = sudoers_scan_buffer(buf,n ); + if ( ! b ) + YY_FATAL_ERROR( "bad buffer in sudoers_scan_bytes()" ); + + /* It's okay to grow etc. this buffer, and we should throw it + * away when we're done. + */ + b->yy_is_our_buffer = 1; + + return b; +} + +#ifndef YY_EXIT_FAILURE +#define YY_EXIT_FAILURE 2 +#endif + +static void yy_fatal_error (yyconst char* msg ) +{ + (void) fprintf( stderr, "%s\n", msg ); + exit( YY_EXIT_FAILURE ); +} + +/* Redefine yyless() so it works in section 3 code. */ + +#undef yyless +#define yyless(n) \ + do \ + { \ + /* Undo effects of setting up sudoerstext. */ \ + int yyless_macro_arg = (n); \ + YY_LESS_LINENO(yyless_macro_arg);\ + sudoerstext[sudoersleng] = (yy_hold_char); \ + (yy_c_buf_p) = sudoerstext + yyless_macro_arg; \ + (yy_hold_char) = *(yy_c_buf_p); \ + *(yy_c_buf_p) = '\0'; \ + sudoersleng = yyless_macro_arg; \ + } \ + while ( 0 ) + +/* Accessor methods (get/set functions) to struct members. */ + +/** Get the current line number. + * + */ +int sudoersget_lineno (void) +{ + + return sudoerslineno; +} + +/** Get the input stream. + * + */ +FILE *sudoersget_in (void) +{ + return sudoersin; +} + +/** Get the output stream. + * + */ +FILE *sudoersget_out (void) +{ + return sudoersout; +} + +/** Get the length of the current token. + * + */ +yy_size_t sudoersget_leng (void) +{ + return sudoersleng; +} + +/** Get the current token. + * + */ + +char *sudoersget_text (void) +{ + return sudoerstext; +} + +/** Set the current line number. + * @param line_number + * + */ +void sudoersset_lineno (int line_number ) +{ + + sudoerslineno = line_number; +} + +/** Set the input stream. This does not discard the current + * input buffer. + * @param in_str A readable stream. + * + * @see sudoers_switch_to_buffer + */ +void sudoersset_in (FILE * in_str ) +{ + sudoersin = in_str ; +} + +void sudoersset_out (FILE * out_str ) +{ + sudoersout = out_str ; +} + +int sudoersget_debug (void) +{ + return sudoers_flex_debug; +} + +void sudoersset_debug (int bdebug ) +{ + sudoers_flex_debug = bdebug ; +} + +static int yy_init_globals (void) +{ + /* Initialization is the same as for the non-reentrant scanner. + * This function is called from sudoerslex_destroy(), so don't allocate here. + */ + + (yy_buffer_stack) = 0; + (yy_buffer_stack_top) = 0; + (yy_buffer_stack_max) = 0; + (yy_c_buf_p) = (char *) 0; + (yy_init) = 0; + (yy_start) = 0; + +/* Defined in main.c */ +#ifdef YY_STDINIT + sudoersin = stdin; + sudoersout = stdout; +#else + sudoersin = (FILE *) 0; + sudoersout = (FILE *) 0; +#endif + + /* For future reference: Set errno on error, since we are called by + * sudoerslex_init() + */ + return 0; +} + +/* sudoerslex_destroy is for both reentrant and non-reentrant scanners. */ +int sudoerslex_destroy (void) +{ + + /* Pop the buffer stack, destroying each element. */ + while(YY_CURRENT_BUFFER){ + sudoers_delete_buffer(YY_CURRENT_BUFFER ); + YY_CURRENT_BUFFER_LVALUE = NULL; + sudoerspop_buffer_state(); + } + + /* Destroy the stack itself. */ + sudoersfree((yy_buffer_stack) ); + (yy_buffer_stack) = NULL; + + /* Reset the globals. This is important in a non-reentrant scanner so the next time + * sudoerslex() is called, initialization will occur. */ + yy_init_globals( ); + + return 0; +} + +/* + * Internal utility routines. + */ + +#ifndef yytext_ptr +static void yy_flex_strncpy (char* s1, yyconst char * s2, int n ) +{ + int i; + for ( i = 0; i < n; ++i ) + s1[i] = s2[i]; +} +#endif + +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen (yyconst char * s ) +{ + int n; + for ( n = 0; s[n]; ++n ) + ; + + return n; +} +#endif + +void *sudoersalloc (yy_size_t size ) +{ + return (void *) malloc( size ); +} + +void *sudoersrealloc (void * ptr, yy_size_t size ) +{ + /* The cast to (char *) in the following accommodates both + * implementations that use char* generic pointers, and those + * that use void* generic pointers. It works with the latter + * because both ANSI C and C++ allow castless assignment from + * any pointer type to void*, and deal with argument conversions + * as though doing an assignment. + */ + return (void *) realloc( (char *) ptr, size ); +} + +void sudoersfree (void * ptr ) +{ + free( (char *) ptr ); /* see sudoersrealloc() for (char *) cast */ +} + +#define YYTABLES_NAME "yytables" + +#line 742 "toke.l" + + +struct path_list { + SLIST_ENTRY(path_list) entries; + char *path; +}; + +SLIST_HEAD(path_list_head, path_list); + +struct include_stack { + YY_BUFFER_STATE bs; + char *path; + struct path_list_head more; /* more files in case of includedir */ + int lineno; + bool keepopen; +}; + +/* + * Compare two struct path_list structs in reverse order. + */ +static int +pl_compare(const void *v1, const void *v2) +{ + const struct path_list * const *p1 = v1; + const struct path_list * const *p2 = v2; + + return strcmp((*p2)->path, (*p1)->path); +} + +/* + * Open dirpath and fill in pathsp with an array of regular files + * that do not end in '~' or contain a '.'. + * Returns the number of files or -1 on error. + * If zero files are found, NULL is stored in pathsp. + */ +static int +read_dir_files(const char *dirpath, struct path_list ***pathsp) +{ + DIR *dir; + int i, count = 0; + int max_paths = 32; + struct dirent *dent; + struct path_list **paths = NULL; + debug_decl(read_dir_files, SUDOERS_DEBUG_PARSER) + + dir = opendir(dirpath); + if (dir == NULL) { + if (errno == ENOENT) + goto done; + sudo_warn("%s", dirpath); + goto bad; + } + paths = reallocarray(NULL, max_paths, sizeof(*paths)); + if (paths == NULL) + goto oom; + while ((dent = readdir(dir)) != NULL) { + struct path_list *pl; + struct stat sb; + size_t len; + char *path; + + /* Ignore files that end in '~' or have a '.' in them. */ + if (dent->d_name[0] == '\0' || dent->d_name[NAMLEN(dent) - 1] == '~' + || strchr(dent->d_name, '.') != NULL) { + continue; + } + len = strlen(dirpath) + 1 + NAMLEN(dent); + if ((path = rcstr_alloc(len)) == NULL) + goto oom; + (void)snprintf(path, len + 1, "%s/%s", dirpath, dent->d_name); + if (stat(path, &sb) != 0 || !S_ISREG(sb.st_mode)) { + rcstr_delref(path); + continue; + } + pl = malloc(sizeof(*pl)); + if (pl == NULL) { + rcstr_delref(path); + goto oom; + } + pl->path = path; + if (count >= max_paths) { + struct path_list **tmp; + max_paths <<= 1; + tmp = reallocarray(paths, max_paths, sizeof(*paths)); + if (tmp == NULL) { + rcstr_delref(path); + free(pl); + goto oom; + } + paths = tmp; + } + paths[count++] = pl; + } + closedir(dir); + if (count == 0) { + free(paths); + paths = NULL; + } +done: + *pathsp = paths; + debug_return_int(count); +oom: + sudo_warnx(U_("%s: %s"), __func__, U_("unable to allocate memory")); +bad: + sudoerserror(NULL); + if (dir != NULL) + closedir(dir); + for (i = 0; i < count; i++) { + rcstr_delref(paths[i]->path); + free(paths[i]); + } + free(paths); + debug_return_int(-1); +} + +/* + * Push a list of all files in dirpath onto stack. + * Returns the number of files or -1 on error. + */ +static int +switch_dir(struct include_stack *stack, char *dirpath) +{ + struct path_list **paths = NULL; + int count, i; + debug_decl(switch_dir, SUDOERS_DEBUG_PARSER) + + count = read_dir_files(dirpath, &paths); + if (count > 0) { + /* Sort the list as an array in reverse order. */ + qsort(paths, count, sizeof(*paths), pl_compare); + + /* Build up the list in sorted order. */ + for (i = 0; i < count; i++) { + SLIST_INSERT_HEAD(&stack->more, paths[i], entries); + } + free(paths); + } + + debug_return_int(count); +} + +#define MAX_SUDOERS_DEPTH 128 +#define SUDOERS_STACK_INCREMENT 16 + +static size_t istacksize, idepth; +static struct include_stack *istack; +static bool keepopen; + +void +init_lexer(void) +{ + struct path_list *pl; + debug_decl(init_lexer, SUDOERS_DEBUG_PARSER) + + while (idepth) { + idepth--; + while ((pl = SLIST_FIRST(&istack[idepth].more)) != NULL) { + SLIST_REMOVE_HEAD(&istack[idepth].more, entries); + rcstr_delref(pl->path); + free(pl); + } + rcstr_delref(istack[idepth].path); + if (idepth && !istack[idepth].keepopen) + fclose(istack[idepth].bs->yy_input_file); + sudoers_delete_buffer(istack[idepth].bs); + } + free(istack); + istack = NULL; + istacksize = idepth = 0; + sudolineno = 1; + keepopen = false; + sawspace = false; + continued = false; + digest_type = -1; + prev_state = INITIAL; + + debug_return; +} + +/* + * Open an include file (or file from a directory), push the old + * sudoers file buffer and switch to the new one. + * A missing or insecure include dir is simply ignored. + * Returns false on error, else true. + */ +static bool +push_include_int(char *path, bool isdir) +{ + struct path_list *pl; + FILE *fp; + debug_decl(push_include_int, SUDOERS_DEBUG_PARSER) + + /* push current state onto stack */ + if (idepth >= istacksize) { + struct include_stack *new_istack; + + if (idepth > MAX_SUDOERS_DEPTH) { + sudoerserror(N_("too many levels of includes")); + debug_return_bool(false); + } + istacksize += SUDOERS_STACK_INCREMENT; + new_istack = reallocarray(istack, istacksize, sizeof(*istack)); + if (new_istack == NULL) { + sudo_warnx(U_("%s: %s"), __func__, U_("unable to allocate memory")); + sudoerserror(NULL); + debug_return_bool(false); + } + istack = new_istack; + } + SLIST_INIT(&istack[idepth].more); + if (isdir) { + struct stat sb; + int count, status; + + status = sudo_secure_dir(path, sudoers_uid, sudoers_gid, &sb); + if (status != SUDO_PATH_SECURE) { + if (sudoers_warnings) { + switch (status) { + case SUDO_PATH_BAD_TYPE: + errno = ENOTDIR; + sudo_warn("%s", path); + break; + case SUDO_PATH_WRONG_OWNER: + sudo_warnx(U_("%s is owned by uid %u, should be %u"), + path, (unsigned int) sb.st_uid, + (unsigned int) sudoers_uid); + break; + case SUDO_PATH_WORLD_WRITABLE: + sudo_warnx(U_("%s is world writable"), path); + break; + case SUDO_PATH_GROUP_WRITABLE: + sudo_warnx(U_("%s is owned by gid %u, should be %u"), + path, (unsigned int) sb.st_gid, + (unsigned int) sudoers_gid); + break; + default: + break; + } + } + /* A missing or insecure include dir is not a fatal error. */ + debug_return_bool(true); + } + count = switch_dir(&istack[idepth], path); + if (count <= 0) { + /* switch_dir() called sudoerserror() for us */ + rcstr_delref(path); + debug_return_bool(count ? false : true); + } + + /* Parse the first dir entry we can open, leave the rest for later. */ + do { + rcstr_delref(path); + if ((pl = SLIST_FIRST(&istack[idepth].more)) == NULL) { + /* Unable to open any files in include dir, not an error. */ + debug_return_bool(true); + } + SLIST_REMOVE_HEAD(&istack[idepth].more, entries); + path = pl->path; + free(pl); + } while ((fp = open_sudoers(path, false, &keepopen)) == NULL); + } else { + if ((fp = open_sudoers(path, true, &keepopen)) == NULL) { + /* The error was already printed by open_sudoers() */ + sudoerserror(NULL); + debug_return_bool(false); + } + } + /* Push the old (current) file and open the new one. */ + istack[idepth].path = sudoers; /* push old path (and its ref) */ + istack[idepth].bs = YY_CURRENT_BUFFER; + istack[idepth].lineno = sudolineno; + istack[idepth].keepopen = keepopen; + idepth++; + sudolineno = 1; + sudoers = path; + sudoers_switch_to_buffer(sudoers_create_buffer(fp, YY_BUF_SIZE)); + + debug_return_bool(true); +} + +/* + * Restore the previous sudoers file and buffer, or, in the case + * of an includedir, switch to the next file in the dir. + * Returns false if there is nothing to pop, else true. + */ +static bool +pop_include(void) +{ + struct path_list *pl; + FILE *fp; + debug_decl(pop_include, SUDOERS_DEBUG_PARSER) + + if (idepth == 0 || YY_CURRENT_BUFFER == NULL) + debug_return_bool(false); + + if (!keepopen) + fclose(YY_CURRENT_BUFFER->yy_input_file); + sudoers_delete_buffer(YY_CURRENT_BUFFER); + /* If we are in an include dir, move to the next file. */ + while ((pl = SLIST_FIRST(&istack[idepth - 1].more)) != NULL) { + SLIST_REMOVE_HEAD(&istack[idepth - 1].more, entries); + fp = open_sudoers(pl->path, false, &keepopen); + if (fp != NULL) { + rcstr_delref(sudoers); + sudoers = pl->path; + sudolineno = 1; + sudoers_switch_to_buffer(sudoers_create_buffer(fp, YY_BUF_SIZE)); + free(pl); + break; + } + /* Unable to open path in include dir, go to next one. */ + rcstr_delref(pl->path); + free(pl); + } + /* If no path list, just pop the last dir on the stack. */ + if (pl == NULL) { + idepth--; + sudoers_switch_to_buffer(istack[idepth].bs); + rcstr_delref(sudoers); + sudoers = istack[idepth].path; + sudolineno = istack[idepth].lineno; + keepopen = istack[idepth].keepopen; + } + debug_return_bool(true); +} + +static char * +parse_include_int(const char *base, bool isdir) +{ + const char *cp, *ep; + char *path, *pp; + int dirlen = 0, len = 0, subst = 0; + size_t shost_len = 0; + debug_decl(parse_include, SUDOERS_DEBUG_PARSER) + + /* Pull out path from #include line. */ + cp = base + (isdir ? sizeof("#includedir") : sizeof("#include")); + while (isblank((unsigned char) *cp)) + cp++; + ep = cp; + while (*ep != '\0' && !isspace((unsigned char) *ep)) { + if (ep[0] == '%' && ep[1] == 'h') { + shost_len = strlen(user_shost); + len += shost_len - 2; + subst = 1; + } + ep++; + } + + /* Relative paths are located in the same dir as the sudoers file. */ + if (*cp != '/') { + char *dirend = strrchr(sudoers, '/'); + if (dirend != NULL) + dirlen = (int)(dirend - sudoers) + 1; + } + + /* Make a copy of the fully-qualified path and return it. */ + len += (int)(ep - cp); + path = pp = rcstr_alloc(len + dirlen); + if (path == NULL) { + sudo_warnx(U_("%s: %s"), __func__, U_("unable to allocate memory")); + sudoerserror(NULL); + debug_return_str(NULL); + } + if (dirlen) { + memcpy(path, sudoers, dirlen); + pp += dirlen; + } + if (subst) { + /* substitute for %h */ + while (cp < ep) { + if (cp[0] == '%' && cp[1] == 'h') { + memcpy(pp, user_shost, shost_len); + pp += shost_len; + cp += 2; + continue; + } + *pp++ = *cp++; + } + *pp = '\0'; + } else { + memcpy(pp, cp, len); + pp[len] = '\0'; + } + + /* Push any excess characters (e.g. comment, newline) back to the lexer */ + if (*ep != '\0') + yyless((int)(ep - base)); + + debug_return_str(path); +} + +#ifdef TRACELEXER +int +sudoers_trace_print(const char *msg) +{ + return fputs(msg, stderr); +} +#else +int +sudoers_trace_print(const char *msg) +{ + static bool initialized; + static struct sudo_lbuf lbuf; + + if (!initialized) { + initialized = true; + sudo_lbuf_init(&lbuf, NULL, 0, NULL, 0); + } + + sudo_lbuf_append(&lbuf, "%s", msg); + /* XXX - assumes a final newline */ + if (strchr(msg, '\n') != NULL) + { + sudo_debug_printf2(NULL, NULL, 0, SUDOERS_DEBUG_PARSER|SUDO_DEBUG_DEBUG, + "%s:%d %s", sudoers, sudolineno, lbuf.buf); + lbuf.len = 0; + } + return 0; +} +#endif /* TRACELEXER */ + |