--- /dev/null
+/* $OpenBSD: flex.skl,v 1.5 1997/07/25 21:05:28 mickey Exp $ */
+
+/* A lexical scanner generated by flex */
+
+/* Scanner skeleton version:
+ * $Header$
+ */
+
+#define FLEX_SCANNER
+#define YY_FLEX_MAJOR_VERSION 2
+#define YY_FLEX_MINOR_VERSION 5
+
+#include <stdio.h>
+
+
+/* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */
+#ifdef c_plusplus
+#ifndef __cplusplus
+#define __cplusplus
+#endif
+#endif
+
+
+#ifdef __cplusplus
+
+#include <stdlib.h>
+#include <unistd.h>
+
+/* Use prototypes in function declarations. */
+#define YY_USE_PROTOS
+
+/* The "const" storage-class-modifier is valid. */
+#define YY_USE_CONST
+
+#else /* ! __cplusplus */
+
+#ifdef __STDC__
+
+#define YY_USE_PROTOS
+#define YY_USE_CONST
+
+#endif /* __STDC__ */
+#endif /* ! __cplusplus */
+
+#ifdef __TURBOC__
+ #pragma warn -rch
+ #pragma warn -use
+#include <io.h>
+#include <stdlib.h>
+#define YY_USE_CONST
+#define YY_USE_PROTOS
+#endif
+
+#ifdef YY_USE_CONST
+#define yyconst const
+#else
+#define yyconst
+#endif
+
+
+#ifdef YY_USE_PROTOS
+#define YY_PROTO(proto) proto
+#else
+#define YY_PROTO(proto) ()
+#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 yyrestart( yyin )
+
+#define YY_END_OF_BUFFER_CHAR 0
+
+/* Size of default input buffer. */
+#define YY_BUF_SIZE 16384
+
+typedef struct yy_buffer_state *YY_BUFFER_STATE;
+
+extern int yyleng;
+extern FILE *yyin, *yyout;
+
+#define EOB_ACT_CONTINUE_SCAN 0
+#define EOB_ACT_END_OF_FILE 1
+#define EOB_ACT_LAST_MATCH 2
+
+/* The funky do-while in the following #define is used to turn the definition
+ * int a single C statement (which needs a semi-colon terminator). This
+ * avoids problems with code like:
+ *
+ * if ( condition_holds )
+ * yyless( 5 );
+ * else
+ * do_something_else();
+ *
+ * Prior to using the do-while the compiler would get upset at the
+ * "else" because it interpreted the "if" statement as being all
+ * done when it reached the ';' after the yyless() call.
+ */
+
+/* Return all but the first 'n' matched characters back to the input stream. */
+
+#define yyless(n) \
+ do \
+ { \
+ /* Undo effects of setting up yytext. */ \
+ *yy_cp = yy_hold_char; \
+ YY_RESTORE_YY_MORE_OFFSET \
+ yy_c_buf_p = yy_cp = yy_bp + n - YY_MORE_ADJ; \
+ YY_DO_BEFORE_ACTION; /* set up yytext again */ \
+ } \
+ while ( 0 )
+
+#define unput(c) yyunput( c, yytext_ptr )
+
+/* The following is because we cannot portably get our hands on size_t
+ * (without autoconf's help, which isn't available because we want
+ * flex-generated scanners to compile on their own).
+ */
+typedef unsigned int yy_size_t;
+
+
+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.
+ */
+ int 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;
+
+ /* 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 yyrestart()), so that the user can continue scanning by
+ * just pointing yyin at a new input file.
+ */
+#define YY_BUFFER_EOF_PENDING 2
+ };
+
+static YY_BUFFER_STATE yy_current_buffer = 0;
+
+/* 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".
+ */
+#define YY_CURRENT_BUFFER yy_current_buffer
+
+
+/* yy_hold_char holds the character lost when yytext is formed. */
+static char yy_hold_char;
+
+static int yy_n_chars; /* number of characters read into yy_ch_buf */
+
+
+int yyleng;
+
+/* Points to current character in buffer. */
+static char *yy_c_buf_p = (char *) 0;
+static int yy_init = 1; /* whether we need to initialize */
+static int yy_start = 0; /* start state number */
+
+/* Flag which is used to allow yywrap()'s to do buffer switches
+ * instead of setting up a fresh yyin. A bit of a hack ...
+ */
+static int yy_did_buffer_switch_on_eof;
+
+void yyrestart YY_PROTO(( FILE *input_file ));
+
+void yy_switch_to_buffer YY_PROTO(( YY_BUFFER_STATE new_buffer ));
+void yy_load_buffer_state YY_PROTO(( void ));
+YY_BUFFER_STATE yy_create_buffer YY_PROTO(( FILE *file, int size ));
+void yy_delete_buffer YY_PROTO(( YY_BUFFER_STATE b ));
+void yy_init_buffer YY_PROTO(( YY_BUFFER_STATE b, FILE *file ));
+void yy_flush_buffer YY_PROTO(( YY_BUFFER_STATE b ));
+#define YY_FLUSH_BUFFER yy_flush_buffer( yy_current_buffer )
+
+YY_BUFFER_STATE yy_scan_buffer YY_PROTO(( char *base, yy_size_t size ));
+YY_BUFFER_STATE yy_scan_string YY_PROTO(( yyconst char *yy_str ));
+YY_BUFFER_STATE yy_scan_bytes YY_PROTO(( yyconst char *bytes, int len ));
+
+static void *yy_flex_alloc YY_PROTO(( yy_size_t ));
+static void *yy_flex_realloc YY_PROTO(( void *, yy_size_t ));
+static void yy_flex_free YY_PROTO(( void * ));
+
+#define yy_new_buffer yy_create_buffer
+
+#define yy_set_interactive(is_interactive) \
+ { \
+ if ( ! yy_current_buffer ) \
+ yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \
+ yy_current_buffer->yy_is_interactive = is_interactive; \
+ }
+
+#define yy_set_bol(at_bol) \
+ { \
+ if ( ! yy_current_buffer ) \
+ yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \
+ yy_current_buffer->yy_at_bol = at_bol; \
+ }
+
+#define YY_AT_BOL() (yy_current_buffer->yy_at_bol)
+
+typedef unsigned char YY_CHAR;
+FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0;
+typedef int yy_state_type;
+extern char *yytext;
+#define yytext_ptr yytext
+
+static yy_state_type yy_get_previous_state YY_PROTO(( void ));
+static yy_state_type yy_try_NUL_trans YY_PROTO(( yy_state_type current_state ));
+static int yy_get_next_buffer YY_PROTO(( void ));
+static void yy_fatal_error YY_PROTO(( yyconst char msg[] ));
+
+/* Done after the current pattern has been matched and before the
+ * corresponding action - sets up yytext.
+ */
+#define YY_DO_BEFORE_ACTION \
+ yytext_ptr = yy_bp; \
+ yyleng = (int) (yy_cp - yy_bp); \
+ yy_hold_char = *yy_cp; \
+ *yy_cp = '\0'; \
+ yy_c_buf_p = yy_cp;
+
+#define YY_NUM_RULES 26
+#define YY_END_OF_BUFFER 27
+static yyconst short int yy_accept[163] =
+ { 0,
+ 0, 0, 0, 0, 0, 0, 27, 25, 1, 5,
+ 9, 25, 25, 18, 25, 8, 12, 25, 24, 11,
+ 10, 23, 23, 25, 24, 7, 4, 7, 7, 7,
+ 4, 7, 7, 7, 4, 4, 7, 7, 7, 7,
+ 25, 21, 20, 20, 19, 19, 20, 1, 0, 6,
+ 15, 14, 22, 24, 0, 24, 24, 0, 23, 23,
+ 0, 2, 7, 7, 7, 7, 7, 7, 7, 7,
+ 7, 7, 7, 3, 3, 3, 20, 20, 20, 20,
+ 19, 19, 0, 24, 17, 23, 7, 7, 7, 7,
+ 20, 19, 0, 0, 23, 7, 7, 7, 19, 0,
+
+ 0, 23, 7, 7, 7, 19, 0, 0, 23, 7,
+ 7, 7, 19, 16, 0, 23, 7, 7, 7, 19,
+ 0, 16, 23, 7, 7, 7, 19, 0, 16, 0,
+ 13, 7, 7, 0, 0, 7, 7, 0, 0, 7,
+ 7, 0, 0, 7, 7, 0, 0, 7, 7, 0,
+ 0, 7, 7, 16, 0, 7, 7, 16, 7, 16,
+ 7, 0
+ } ;
+
+static yyconst int 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, 1, 5, 1, 6, 1, 1, 7,
+ 8, 1, 9, 10, 11, 12, 13, 14, 14, 14,
+ 14, 14, 14, 14, 14, 14, 14, 15, 1, 1,
+ 16, 1, 1, 1, 17, 18, 18, 19, 18, 18,
+ 18, 18, 18, 18, 18, 18, 18, 20, 21, 22,
+ 18, 18, 23, 18, 18, 18, 24, 18, 18, 18,
+ 1, 25, 1, 1, 26, 1, 27, 27, 27, 27,
+
+ 27, 27, 27, 27, 27, 27, 27, 27, 27, 27,
+ 27, 27, 27, 27, 27, 27, 27, 27, 27, 27,
+ 27, 27, 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 int yy_meta[28] =
+ { 0,
+ 1, 2, 2, 1, 3, 1, 1, 1, 1, 2,
+ 4, 5, 1, 4, 2, 3, 4, 4, 4, 4,
+ 4, 4, 4, 4, 3, 4, 4
+ } ;
+
+static yyconst short int yy_base[177] =
+ { 0,
+ 0, 0, 27, 0, 54, 0, 418, 419, 415, 419,
+ 419, 413, 0, 419, 0, 419, 419, 0, 70, 419,
+ 419, 74, 76, 87, 403, 0, 419, 0, 103, 130,
+ 419, 0, 153, 178, 419, 0, 205, 393, 231, 243,
+ 0, 419, 0, 79, 148, 150, 401, 410, 408, 419,
+ 0, 0, 0, 398, 395, 80, 396, 0, 386, 74,
+ 96, 419, 0, 0, 0, 233, 88, 392, 391, 0,
+ 269, 0, 382, 103, 419, 0, 0, 391, 151, 390,
+ 380, 111, 152, 388, 387, 151, 162, 384, 385, 379,
+ 383, 218, 380, 228, 222, 379, 236, 369, 230, 240,
+
+ 379, 276, 286, 378, 366, 280, 374, 290, 146, 373,
+ 293, 362, 247, 167, 373, 287, 194, 372, 364, 290,
+ 368, 223, 308, 367, 299, 257, 312, 303, 367, 316,
+ 419, 307, 366, 355, 308, 350, 312, 316, 342, 320,
+ 341, 311, 323, 302, 324, 327, 272, 328, 267, 241,
+ 331, 230, 332, 206, 203, 179, 176, 159, 131, 419,
+ 0, 419, 346, 136, 114, 351, 353, 355, 357, 362,
+ 367, 109, 369, 371, 373, 79
+ } ;
+
+static yyconst short int yy_def[177] =
+ { 0,
+ 162, 1, 162, 3, 162, 5, 162, 162, 162, 162,
+ 162, 163, 164, 162, 165, 162, 162, 166, 167, 162,
+ 162, 168, 168, 162, 169, 170, 162, 170, 162, 162,
+ 162, 170, 171, 162, 162, 170, 162, 37, 170, 37,
+ 172, 162, 172, 173, 174, 174, 175, 162, 163, 162,
+ 164, 165, 166, 167, 162, 167, 169, 176, 23, 23,
+ 162, 162, 170, 29, 30, 171, 34, 170, 34, 40,
+ 162, 37, 37, 162, 162, 170, 172, 173, 173, 175,
+ 46, 46, 162, 167, 176, 23, 170, 34, 71, 37,
+ 173, 46, 162, 162, 23, 170, 170, 37, 46, 162,
+
+ 162, 23, 170, 170, 37, 46, 162, 162, 23, 170,
+ 170, 37, 46, 162, 162, 23, 170, 170, 37, 46,
+ 162, 162, 23, 170, 170, 37, 46, 162, 162, 162,
+ 162, 170, 170, 162, 162, 170, 170, 162, 162, 170,
+ 170, 162, 162, 170, 170, 162, 162, 170, 170, 162,
+ 162, 170, 170, 162, 162, 170, 170, 162, 170, 162,
+ 170, 0, 162, 162, 162, 162, 162, 162, 162, 162,
+ 162, 162, 162, 162, 162, 162
+ } ;
+
+static yyconst short int yy_nxt[447] =
+ { 0,
+ 8, 9, 10, 11, 12, 13, 14, 8, 15, 16,
+ 8, 17, 18, 19, 20, 21, 22, 22, 22, 23,
+ 22, 22, 22, 22, 24, 8, 25, 26, 9, 27,
+ 28, 26, 29, 26, 26, 30, 31, 26, 32, 33,
+ 34, 35, 36, 37, 37, 37, 38, 37, 37, 37,
+ 37, 39, 26, 40, 8, 9, 10, 11, 41, 13,
+ 8, 42, 15, 16, 43, 17, 18, 44, 20, 21,
+ 45, 45, 45, 46, 45, 45, 45, 45, 24, 43,
+ 47, 55, 85, 56, 57, 58, 57, 58, 61, 62,
+ 55, 55, 79, 84, 59, 86, 60, 61, 62, 63,
+
+ 57, 67, 57, 63, 61, 62, 63, 63, 63, 63,
+ 63, 63, 77, 64, 63, 63, 64, 52, 63, 64,
+ 64, 64, 64, 64, 64, 64, 64, 63, 64, 64,
+ 63, 81, 92, 63, 63, 63, 63, 63, 63, 51,
+ 65, 63, 63, 65, 161, 63, 65, 65, 65, 65,
+ 65, 65, 65, 65, 63, 65, 65, 63, 80, 58,
+ 80, 58, 55, 93, 91, 94, 59, 95, 63, 116,
+ 82, 59, 160, 96, 80, 97, 80, 63, 63, 121,
+ 122, 63, 63, 63, 63, 63, 63, 152, 67, 68,
+ 63, 69, 159, 63, 67, 67, 67, 67, 67, 67,
+
+ 67, 67, 63, 67, 67, 63, 124, 125, 63, 63,
+ 63, 63, 63, 63, 150, 70, 71, 63, 72, 158,
+ 63, 72, 72, 72, 72, 72, 72, 72, 72, 63,
+ 72, 70, 74, 62, 99, 121, 129, 63, 81, 93,
+ 75, 101, 59, 156, 102, 75, 76, 96, 63, 104,
+ 81, 107, 106, 108, 154, 76, 70, 63, 130, 70,
+ 70, 70, 70, 70, 70, 70, 70, 81, 70, 63,
+ 120, 131, 63, 63, 63, 63, 63, 63, 144, 89,
+ 63, 63, 89, 142, 63, 89, 89, 89, 89, 89,
+ 89, 89, 89, 63, 89, 89, 59, 110, 109, 111,
+
+ 81, 107, 113, 115, 110, 123, 118, 59, 127, 130,
+ 81, 124, 133, 130, 134, 148, 135, 130, 136, 134,
+ 137, 139, 131, 136, 146, 141, 131, 142, 59, 143,
+ 131, 144, 81, 145, 142, 144, 147, 149, 150, 152,
+ 151, 153, 150, 152, 155, 157, 49, 49, 49, 49,
+ 49, 53, 136, 134, 53, 53, 54, 54, 59, 59,
+ 57, 57, 63, 140, 63, 63, 63, 66, 138, 66,
+ 66, 66, 78, 78, 81, 81, 80, 80, 124, 121,
+ 132, 128, 126, 110, 107, 119, 117, 114, 112, 96,
+ 93, 105, 103, 100, 55, 98, 71, 67, 58, 55,
+
+ 81, 58, 162, 90, 88, 87, 59, 58, 83, 162,
+ 50, 48, 58, 73, 58, 50, 48, 162, 7, 162,
+ 162, 162, 162, 162, 162, 162, 162, 162, 162, 162,
+ 162, 162, 162, 162, 162, 162, 162, 162, 162, 162,
+ 162, 162, 162, 162, 162, 162
+ } ;
+
+static yyconst short int yy_chk[447] =
+ { 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, 3, 3, 3,
+ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+ 3, 3, 3, 3, 5, 5, 5, 5, 5, 5,
+ 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+ 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+ 5, 19, 176, 19, 22, 22, 23, 23, 24, 24,
+ 44, 56, 44, 56, 60, 60, 23, 61, 61, 67,
+
+ 22, 67, 23, 29, 74, 74, 29, 29, 29, 29,
+ 29, 29, 172, 29, 29, 29, 29, 165, 29, 29,
+ 29, 29, 29, 29, 29, 29, 29, 29, 29, 29,
+ 30, 82, 82, 30, 30, 30, 30, 30, 30, 164,
+ 30, 30, 30, 30, 159, 30, 30, 30, 30, 30,
+ 30, 30, 30, 30, 30, 30, 30, 33, 45, 45,
+ 46, 46, 79, 83, 79, 83, 109, 86, 33, 109,
+ 46, 86, 158, 87, 45, 87, 46, 33, 34, 114,
+ 114, 34, 34, 34, 34, 34, 34, 157, 34, 34,
+ 34, 34, 156, 34, 34, 34, 34, 34, 34, 34,
+
+ 34, 34, 34, 34, 34, 37, 117, 117, 37, 37,
+ 37, 37, 37, 37, 155, 37, 37, 37, 37, 154,
+ 37, 37, 37, 37, 37, 37, 37, 37, 37, 37,
+ 37, 37, 39, 39, 92, 122, 122, 66, 92, 94,
+ 39, 94, 95, 152, 95, 39, 39, 97, 66, 97,
+ 99, 100, 99, 100, 150, 39, 40, 66, 126, 40,
+ 40, 40, 40, 40, 40, 40, 40, 113, 40, 71,
+ 113, 126, 71, 71, 71, 71, 71, 71, 149, 71,
+ 71, 71, 71, 147, 71, 71, 71, 71, 71, 71,
+ 71, 71, 71, 71, 71, 71, 102, 103, 102, 103,
+
+ 106, 108, 106, 108, 111, 116, 111, 116, 120, 123,
+ 120, 125, 125, 127, 128, 144, 128, 130, 132, 135,
+ 132, 135, 123, 137, 142, 137, 127, 138, 123, 138,
+ 130, 140, 127, 140, 143, 145, 143, 145, 146, 148,
+ 146, 148, 151, 153, 151, 153, 163, 163, 163, 163,
+ 163, 166, 141, 139, 166, 166, 167, 167, 168, 168,
+ 169, 169, 170, 136, 170, 170, 170, 171, 134, 171,
+ 171, 171, 173, 173, 174, 174, 175, 175, 133, 129,
+ 124, 121, 119, 118, 115, 112, 110, 107, 105, 104,
+ 101, 98, 96, 93, 91, 90, 89, 88, 85, 84,
+
+ 81, 80, 78, 73, 69, 68, 59, 57, 55, 54,
+ 49, 48, 47, 38, 25, 12, 9, 7, 162, 162,
+ 162, 162, 162, 162, 162, 162, 162, 162, 162, 162,
+ 162, 162, 162, 162, 162, 162, 162, 162, 162, 162,
+ 162, 162, 162, 162, 162, 162
+ } ;
+
+static yy_state_type yy_last_accepting_state;
+static char *yy_last_accepting_cpos;
+
+/* 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 *yytext;
+#line 1 "parse.lex"
+#define INITIAL 0
+#line 2 "parse.lex"
+/*
+ * CU sudo version 1.5.7
+ *
+ * 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 1, 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * Please send bugs, changes, problems to sudo-bugs@courtesan.com
+ *
+ *******************************************************************
+ *
+ * parse.lex -- lexigraphical analyzer for sudo.
+ *
+ * Chris Jepeway <jepeway@cs.utk.edu>
+ */
+
+#include "config.h"
+
+#ifdef STDC_HEADERS
+#include <stdlib.h>
+#endif /* STDC_HEADERS */
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif /* HAVE_UNISTD_H */
+#ifdef HAVE_STRING_H
+#include <string.h>
+#endif /* HAVE_STRING_H */
+#if defined(HAVE_MALLOC_H) && !defined(STDC_HEADERS)
+#include <malloc.h>
+#endif /* HAVE_MALLOC_H && !STDC_HEADERS */
+#include <ctype.h>
+#include <sys/types.h>
+#include <sys/param.h>
+#include <netinet/in.h>
+#include "sudo.h"
+#include "sudo.tab.h"
+
+#ifndef lint
+static const char rcsid[] = "$Id$";
+#endif /* lint */
+
+#undef yywrap /* guard against a yywrap macro */
+
+extern YYSTYPE yylval;
+extern int clearaliases;
+int sudolineno = 1;
+static int sawspace = 0;
+static int arg_len = 0;
+static int arg_size = 0;
+
+static void fill __P((char *, int));
+static void fill_cmnd __P((char *, int));
+static void fill_args __P((char *, int, int));
+extern void reset_aliases __P((void));
+extern void yyerror __P((char *));
+
+/* realloc() to size + COMMANDARGINC to make room for command args */
+#define COMMANDARGINC 64
+
+#ifdef TRACELEXER
+#define LEXTRACE(msg) fputs(msg, stderr)
+#else
+#define LEXTRACE(msg)
+#endif
+#define GOTCMND 1
+
+#define GOTRUNAS 2
+
+#line 595 "lex.yy.c"
+
+/* Macros after this point can all be overridden by user definitions in
+ * section 1.
+ */
+
+#ifndef YY_SKIP_YYWRAP
+#ifdef __cplusplus
+extern "C" int yywrap YY_PROTO(( void ));
+#else
+extern int yywrap YY_PROTO(( void ));
+#endif
+#endif
+
+#ifndef YY_NO_UNPUT
+static void yyunput YY_PROTO(( int c, char *buf_ptr ));
+#endif
+
+#ifndef yytext_ptr
+static void yy_flex_strncpy YY_PROTO(( char *, yyconst char *, int ));
+#endif
+
+#ifdef YY_NEED_STRLEN
+static int yy_flex_strlen YY_PROTO(( yyconst char * ));
+#endif
+
+#ifndef YY_NO_INPUT
+#ifdef __cplusplus
+static int yyinput YY_PROTO(( void ));
+#else
+static int input YY_PROTO(( void ));
+#endif
+#endif
+
+#if YY_STACK_USED
+static int yy_start_stack_ptr = 0;
+static int yy_start_stack_depth = 0;
+static int *yy_start_stack = 0;
+#ifndef YY_NO_PUSH_STATE
+static void yy_push_state YY_PROTO(( int new_state ));
+#endif
+#ifndef YY_NO_POP_STATE
+static void yy_pop_state YY_PROTO(( void ));
+#endif
+#ifndef YY_NO_TOP_STATE
+static int yy_top_state YY_PROTO(( void ));
+#endif
+
+#else
+#define YY_NO_PUSH_STATE 1
+#define YY_NO_POP_STATE 1
+#define YY_NO_TOP_STATE 1
+#endif
+
+#ifdef YY_MALLOC_DECL
+YY_MALLOC_DECL
+#else
+#ifdef __STDC__
+#ifndef __cplusplus
+#include <stdlib.h>
+#endif
+#else
+/* Just try to get by without declaring the routines. This will fail
+ * miserably on non-ANSI systems for which sizeof(size_t) != sizeof(int)
+ * or sizeof(void*) != sizeof(int).
+ */
+#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 (void) fwrite( yytext, yyleng, 1, yyout )
+#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->yy_is_interactive ) \
+ { \
+ int c = '*', n; \
+ for ( n = 0; n < max_size && \
+ (c = getc( yyin )) != EOF && c != '\n'; ++n ) \
+ buf[n] = (char) c; \
+ if ( c == '\n' ) \
+ buf[n++] = (char) c; \
+ if ( c == EOF && ferror( yyin ) ) \
+ YY_FATAL_ERROR( "input in flex scanner failed" ); \
+ result = n; \
+ } \
+ else if ( ((result = fread( buf, 1, max_size, yyin )) == 0) \
+ && ferror( yyin ) ) \
+ YY_FATAL_ERROR( "input in flex scanner failed" );
+#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
+
+/* Default declaration of generated scanner - a define so the user can
+ * easily add parameters.
+ */
+#ifndef YY_DECL
+#define YY_DECL int yylex YY_PROTO(( void ))
+#endif
+
+/* Code executed at the beginning of each rule, after yytext and yyleng
+ * 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 \
+ YY_USER_ACTION
+
+YY_DECL
+ {
+ register yy_state_type yy_current_state;
+ register char *yy_cp, *yy_bp;
+ register int yy_act;
+
+#line 89 "parse.lex"
+
+#line 748 "lex.yy.c"
+
+ if ( yy_init )
+ {
+ yy_init = 0;
+
+#ifdef YY_USER_INIT
+ YY_USER_INIT;
+#endif
+
+ if ( ! yy_start )
+ yy_start = 1; /* first start state */
+
+ if ( ! yyin )
+ yyin = stdin;
+
+ if ( ! yyout )
+ yyout = stdout;
+
+ if ( ! yy_current_buffer )
+ yy_current_buffer =
+ yy_create_buffer( yyin, YY_BUF_SIZE );
+
+ yy_load_buffer_state();
+ }
+
+ while ( 1 ) /* loops until end-of-file is reached */
+ {
+ yy_cp = yy_c_buf_p;
+
+ /* Support of yytext. */
+ *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_match:
+ do
+ {
+ register 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 >= 163 )
+ 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] != 419 );
+
+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 90 "parse.lex"
+{ /* throw away space/tabs */
+ sawspace = TRUE; /* but remember for fill_args */
+ }
+ YY_BREAK
+case 2:
+YY_RULE_SETUP
+#line 94 "parse.lex"
+{
+ sawspace = TRUE; /* remember for fill_args */
+ ++sudolineno;
+ LEXTRACE("\n\t");
+ } /* throw away EOL after \ */
+ YY_BREAK
+case 3:
+YY_RULE_SETUP
+#line 100 "parse.lex"
+{
+ LEXTRACE("QUOTEDCHAR ");
+ fill_args(yytext + 1, 1, sawspace);
+ sawspace = FALSE;
+ }
+ YY_BREAK
+case 4:
+YY_RULE_SETUP
+#line 106 "parse.lex"
+{
+ BEGIN INITIAL;
+ unput(*yytext);
+ return(COMMAND);
+ } /* end of command line args */
+ YY_BREAK
+case 5:
+YY_RULE_SETUP
+#line 112 "parse.lex"
+{
+ ++sudolineno;
+ LEXTRACE("\n");
+ return(COMMENT);
+ } /* return newline */
+ YY_BREAK
+case 6:
+YY_RULE_SETUP
+#line 118 "parse.lex"
+{
+ ++sudolineno;
+ LEXTRACE("\n");
+ return(COMMENT);
+ } /* return comments */
+ YY_BREAK
+case 7:
+YY_RULE_SETUP
+#line 124 "parse.lex"
+{
+ LEXTRACE("ARG ");
+ fill_args(yytext, yyleng, sawspace);
+ sawspace = FALSE;
+ } /* a command line arg */
+ YY_BREAK
+case 8:
+YY_RULE_SETUP
+#line 130 "parse.lex"
+{
+ LEXTRACE(", ");
+ return(',');
+ } /* return ',' */
+ YY_BREAK
+case 9:
+YY_RULE_SETUP
+#line 135 "parse.lex"
+{
+ return('!'); /* return '!' */
+ }
+ YY_BREAK
+case 10:
+YY_RULE_SETUP
+#line 139 "parse.lex"
+{
+ LEXTRACE("= ");
+ return('=');
+ } /* return '=' */
+ YY_BREAK
+case 11:
+YY_RULE_SETUP
+#line 144 "parse.lex"
+{
+ LEXTRACE(": ");
+ return(':');
+ } /* return ':' */
+ YY_BREAK
+case 12:
+YY_RULE_SETUP
+#line 149 "parse.lex"
+{
+ return('.');
+ }
+ YY_BREAK
+case 13:
+YY_RULE_SETUP
+#line 153 "parse.lex"
+{
+ /* cmnd does not require passwd for this user */
+ LEXTRACE("NOPASSWD ");
+ return(NOPASSWD);
+ }
+ YY_BREAK
+case 14:
+YY_RULE_SETUP
+#line 159 "parse.lex"
+{
+ /* netgroup */
+ fill(yytext, yyleng);
+ return(NETGROUP);
+ }
+ YY_BREAK
+case 15:
+YY_RULE_SETUP
+#line 165 "parse.lex"
+{
+ /* UN*X group */
+ fill(yytext, yyleng);
+ return(USERGROUP);
+ }
+ YY_BREAK
+case 16:
+YY_RULE_SETUP
+#line 171 "parse.lex"
+{
+ fill(yytext, yyleng);
+ LEXTRACE("NTWKADDR ");
+ return(NTWKADDR);
+ }
+ YY_BREAK
+case 17:
+YY_RULE_SETUP
+#line 177 "parse.lex"
+{
+ fill(yytext, yyleng);
+ LEXTRACE("FQHOST ");
+ return(FQHOST);
+ }
+ YY_BREAK
+case 18:
+YY_RULE_SETUP
+#line 183 "parse.lex"
+{
+ BEGIN GOTRUNAS;
+ LEXTRACE("RUNAS ");
+ return (RUNAS);
+ }
+ YY_BREAK
+case 19:
+YY_RULE_SETUP
+#line 189 "parse.lex"
+{
+ /* Runas_Alias that user can run command as or ALL */
+ fill(yytext, yyleng);
+ if (strcmp(yytext, "ALL") == 0) {
+ LEXTRACE("ALL ");
+ return(ALL);
+ } else {
+ LEXTRACE("ALIAS ");
+ return(ALIAS);
+ }
+ }
+ YY_BREAK
+case 20:
+YY_RULE_SETUP
+#line 201 "parse.lex"
+{
+ /* username/uid that user can run command as */
+ fill(yytext, yyleng);
+ LEXTRACE("NAME ");
+ return(NAME);
+ }
+ YY_BREAK
+case 21:
+YY_RULE_SETUP
+#line 208 "parse.lex"
+BEGIN INITIAL;
+ YY_BREAK
+case 22:
+YY_RULE_SETUP
+#line 211 "parse.lex"
+{
+ /* directories can't have args... */
+ if (yytext[yyleng - 1] == '/') {
+ LEXTRACE("COMMAND ");
+ fill_cmnd(yytext, yyleng);
+ return(COMMAND);
+ } else {
+ BEGIN GOTCMND;
+ LEXTRACE("COMMAND ");
+ fill_cmnd(yytext, yyleng);
+ }
+ } /* a pathname */
+ YY_BREAK
+case 23:
+YY_RULE_SETUP
+#line 224 "parse.lex"
+{
+ fill(yytext, yyleng);
+ if (strcmp(yytext, "ALL") == 0) {
+ LEXTRACE("ALL ");
+ return(ALL);
+ }
+ LEXTRACE("ALIAS ");
+ return(ALIAS);
+ }
+ YY_BREAK
+case 24:
+YY_RULE_SETUP
+#line 234 "parse.lex"
+{
+ fill(yytext, yyleng);
+ if (strcmp(yytext, "Host_Alias") == 0) {
+ LEXTRACE("HOSTALIAS ");
+ return(HOSTALIAS);
+ }
+ if (strcmp(yytext, "Cmnd_Alias") == 0) {
+ LEXTRACE("CMNDALIAS ");
+ return(CMNDALIAS);
+ }
+ if (strcmp(yytext, "User_Alias") == 0) {
+ LEXTRACE("USERALIAS ");
+ return(USERALIAS);
+ }
+ if (strcmp(yytext, "Runas_Alias") == 0) {
+ LEXTRACE("RUNASALIAS ");
+ return(RUNASALIAS);
+ }
+
+ /* NAME is what RFC1034 calls a label */
+ LEXTRACE("NAME ");
+ return(NAME);
+ }
+ YY_BREAK
+case 25:
+YY_RULE_SETUP
+#line 258 "parse.lex"
+{
+ return(ERROR);
+ } /* parse error */
+ YY_BREAK
+case 26:
+YY_RULE_SETUP
+#line 262 "parse.lex"
+ECHO;
+ YY_BREAK
+#line 1082 "lex.yy.c"
+case YY_STATE_EOF(INITIAL):
+case YY_STATE_EOF(GOTCMND):
+case YY_STATE_EOF(GOTRUNAS):
+ yyterminate();
+
+ 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->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 yyin at a new source and called
+ * yylex(). 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->yy_n_chars;
+ yy_current_buffer->yy_input_file = yyin;
+ yy_current_buffer->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->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 ( yywrap() )
+ {
+ /* Note: because we've taken care in
+ * yy_get_next_buffer() to have set up
+ * yytext, 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->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 yylex */
+
+
+/* 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()
+ {
+ register char *dest = yy_current_buffer->yy_ch_buf;
+ register char *source = yytext_ptr;
+ register int number_to_move, i;
+ int ret_val;
+
+ if ( yy_c_buf_p > &yy_current_buffer->yy_ch_buf[yy_n_chars + 1] )
+ YY_FATAL_ERROR(
+ "fatal flex scanner internal error--end of buffer missed" );
+
+ if ( yy_current_buffer->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->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->yy_n_chars = yy_n_chars = 0;
+
+ else
+ {
+ int num_to_read =
+ yy_current_buffer->yy_buf_size - number_to_move - 1;
+
+ while ( num_to_read <= 0 )
+ { /* Not enough room in the buffer - grow it. */
+#ifdef YY_USES_REJECT
+ YY_FATAL_ERROR(
+"input buffer overflow, can't enlarge buffer because scanner uses REJECT" );
+#else
+
+ /* just a shorter name for the current buffer */
+ YY_BUFFER_STATE b = yy_current_buffer;
+
+ int yy_c_buf_p_offset =
+ (int) (yy_c_buf_p - b->yy_ch_buf);
+
+ if ( b->yy_is_our_buffer )
+ {
+ int 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. */
+ yy_flex_realloc( (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->yy_buf_size -
+ number_to_move - 1;
+#endif
+ }
+
+ if ( num_to_read > YY_READ_BUF_SIZE )
+ num_to_read = YY_READ_BUF_SIZE;
+
+ /* Read in more data. */
+ YY_INPUT( (&yy_current_buffer->yy_ch_buf[number_to_move]),
+ yy_n_chars, num_to_read );
+
+ yy_current_buffer->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;
+ yyrestart( yyin );
+ }
+
+ else
+ {
+ ret_val = EOB_ACT_LAST_MATCH;
+ yy_current_buffer->yy_buffer_status =
+ YY_BUFFER_EOF_PENDING;
+ }
+ }
+
+ else
+ ret_val = EOB_ACT_CONTINUE_SCAN;
+
+ yy_n_chars += number_to_move;
+ yy_current_buffer->yy_ch_buf[yy_n_chars] = YY_END_OF_BUFFER_CHAR;
+ yy_current_buffer->yy_ch_buf[yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR;
+
+ yytext_ptr = &yy_current_buffer->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()
+ {
+ register yy_state_type yy_current_state;
+ register char *yy_cp;
+
+ yy_current_state = yy_start;
+
+ for ( yy_cp = yytext_ptr + YY_MORE_ADJ; yy_cp < yy_c_buf_p; ++yy_cp )
+ {
+ register 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 >= 163 )
+ 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 );
+ */
+
+#ifdef YY_USE_PROTOS
+static yy_state_type yy_try_NUL_trans( yy_state_type yy_current_state )
+#else
+static yy_state_type yy_try_NUL_trans( yy_current_state )
+yy_state_type yy_current_state;
+#endif
+ {
+ register int yy_is_jam;
+ register char *yy_cp = yy_c_buf_p;
+
+ register 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 >= 163 )
+ 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 == 162);
+
+ return yy_is_jam ? 0 : yy_current_state;
+ }
+
+
+#ifndef YY_NO_UNPUT
+#ifdef YY_USE_PROTOS
+static void yyunput( int c, register char *yy_bp )
+#else
+static void yyunput( c, yy_bp )
+int c;
+register char *yy_bp;
+#endif
+ {
+ register char *yy_cp = yy_c_buf_p;
+
+ /* undo effects of setting up yytext */
+ *yy_cp = yy_hold_char;
+
+ if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
+ { /* need to shift things up to make room */
+ /* +2 for EOB chars. */
+ register int number_to_move = yy_n_chars + 2;
+ register char *dest = &yy_current_buffer->yy_ch_buf[
+ yy_current_buffer->yy_buf_size + 2];
+ register char *source =
+ &yy_current_buffer->yy_ch_buf[number_to_move];
+
+ while ( source > yy_current_buffer->yy_ch_buf )
+ *--dest = *--source;
+
+ yy_cp += (int) (dest - source);
+ yy_bp += (int) (dest - source);
+ yy_current_buffer->yy_n_chars =
+ yy_n_chars = yy_current_buffer->yy_buf_size;
+
+ if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
+ YY_FATAL_ERROR( "flex scanner push-back overflow" );
+ }
+
+ *--yy_cp = (char) c;
+
+
+ yytext_ptr = yy_bp;
+ yy_hold_char = *yy_cp;
+ yy_c_buf_p = yy_cp;
+ }
+#endif /* ifndef YY_NO_UNPUT */
+
+
+#ifdef __cplusplus
+static int yyinput()
+#else
+static int input()
+#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->yy_ch_buf[yy_n_chars] )
+ /* This was really a NUL. */
+ *yy_c_buf_p = '\0';
+
+ else
+ { /* need more input */
+ int 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. */
+ yyrestart( yyin );
+
+ /* fall through */
+
+ case EOB_ACT_END_OF_FILE:
+ {
+ if ( yywrap() )
+ 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 yytext */
+ yy_hold_char = *++yy_c_buf_p;
+
+
+ return c;
+ }
+
+
+#ifdef YY_USE_PROTOS
+void yyrestart( FILE *input_file )
+#else
+void yyrestart( input_file )
+FILE *input_file;
+#endif
+ {
+ if ( ! yy_current_buffer )
+ yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE );
+
+ yy_init_buffer( yy_current_buffer, input_file );
+ yy_load_buffer_state();
+ }
+
+
+#ifdef YY_USE_PROTOS
+void yy_switch_to_buffer( YY_BUFFER_STATE new_buffer )
+#else
+void yy_switch_to_buffer( new_buffer )
+YY_BUFFER_STATE new_buffer;
+#endif
+ {
+ 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->yy_buf_pos = yy_c_buf_p;
+ yy_current_buffer->yy_n_chars = yy_n_chars;
+ }
+
+ yy_current_buffer = new_buffer;
+ yy_load_buffer_state();
+
+ /* We don't actually know whether we did this switch during
+ * EOF (yywrap()) processing, but the only time this flag
+ * is looked at is after yywrap() is called, so it's safe
+ * to go ahead and always set it.
+ */
+ yy_did_buffer_switch_on_eof = 1;
+ }
+
+
+#ifdef YY_USE_PROTOS
+void yy_load_buffer_state( void )
+#else
+void yy_load_buffer_state()
+#endif
+ {
+ yy_n_chars = yy_current_buffer->yy_n_chars;
+ yytext_ptr = yy_c_buf_p = yy_current_buffer->yy_buf_pos;
+ yyin = yy_current_buffer->yy_input_file;
+ yy_hold_char = *yy_c_buf_p;
+ }
+
+
+#ifdef YY_USE_PROTOS
+YY_BUFFER_STATE yy_create_buffer( FILE *file, int size )
+#else
+YY_BUFFER_STATE yy_create_buffer( file, size )
+FILE *file;
+int size;
+#endif
+ {
+ YY_BUFFER_STATE b;
+
+ b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) );
+ if ( ! b )
+ YY_FATAL_ERROR( "out of dynamic memory in yy_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 *) yy_flex_alloc( b->yy_buf_size + 2 );
+ if ( ! b->yy_ch_buf )
+ YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
+
+ b->yy_is_our_buffer = 1;
+
+ yy_init_buffer( b, file );
+
+ return b;
+ }
+
+
+#ifdef YY_USE_PROTOS
+void yy_delete_buffer( YY_BUFFER_STATE b )
+#else
+void yy_delete_buffer( b )
+YY_BUFFER_STATE b;
+#endif
+ {
+ if ( ! b )
+ return;
+
+ if ( b == yy_current_buffer )
+ yy_current_buffer = (YY_BUFFER_STATE) 0;
+
+ if ( b->yy_is_our_buffer )
+ yy_flex_free( (void *) b->yy_ch_buf );
+
+ yy_flex_free( (void *) b );
+ }
+
+
+#ifndef YY_ALWAYS_INTERACTIVE
+#ifndef YY_NEVER_INTERACTIVE
+extern int isatty YY_PROTO(( int ));
+#endif
+#endif
+
+#ifdef YY_USE_PROTOS
+void yy_init_buffer( YY_BUFFER_STATE b, FILE *file )
+#else
+void yy_init_buffer( b, file )
+YY_BUFFER_STATE b;
+FILE *file;
+#endif
+
+
+ {
+ yy_flush_buffer( b );
+
+ b->yy_input_file = file;
+ b->yy_fill_buffer = 1;
+
+#if YY_ALWAYS_INTERACTIVE
+ b->yy_is_interactive = 1;
+#else
+#if YY_NEVER_INTERACTIVE
+ b->yy_is_interactive = 0;
+#else
+ b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
+#endif
+#endif
+ }
+
+
+#ifdef YY_USE_PROTOS
+void yy_flush_buffer( YY_BUFFER_STATE b )
+#else
+void yy_flush_buffer( b )
+YY_BUFFER_STATE b;
+#endif
+
+ {
+ 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 )
+ yy_load_buffer_state();
+ }
+
+
+#ifndef YY_NO_SCAN_BUFFER
+#ifdef YY_USE_PROTOS
+YY_BUFFER_STATE yy_scan_buffer( char *base, yy_size_t size )
+#else
+YY_BUFFER_STATE yy_scan_buffer( base, size )
+char *base;
+yy_size_t size;
+#endif
+ {
+ 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) yy_flex_alloc( sizeof( struct yy_buffer_state ) );
+ if ( ! b )
+ YY_FATAL_ERROR( "out of dynamic memory in yy_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;
+
+ yy_switch_to_buffer( b );
+
+ return b;
+ }
+#endif
+
+
+#ifndef YY_NO_SCAN_STRING
+#ifdef YY_USE_PROTOS
+YY_BUFFER_STATE yy_scan_string( yyconst char *yy_str )
+#else
+YY_BUFFER_STATE yy_scan_string( yy_str )
+yyconst char *yy_str;
+#endif
+ {
+ int len;
+ for ( len = 0; yy_str[len]; ++len )
+ ;
+
+ return yy_scan_bytes( yy_str, len );
+ }
+#endif
+
+
+#ifndef YY_NO_SCAN_BYTES
+#ifdef YY_USE_PROTOS
+YY_BUFFER_STATE yy_scan_bytes( yyconst char *bytes, int len )
+#else
+YY_BUFFER_STATE yy_scan_bytes( bytes, len )
+yyconst char *bytes;
+int len;
+#endif
+ {
+ YY_BUFFER_STATE b;
+ char *buf;
+ yy_size_t n;
+ int i;
+
+ /* Get memory for full buffer, including space for trailing EOB's. */
+ n = len + 2;
+ buf = (char *) yy_flex_alloc( n );
+ if ( ! buf )
+ YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );
+
+ for ( i = 0; i < len; ++i )
+ buf[i] = bytes[i];
+
+ buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR;
+
+ b = yy_scan_buffer( buf, n );
+ if ( ! b )
+ YY_FATAL_ERROR( "bad buffer in yy_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;
+ }
+#endif
+
+
+#ifndef YY_NO_PUSH_STATE
+#ifdef YY_USE_PROTOS
+static void yy_push_state( int new_state )
+#else
+static void yy_push_state( new_state )
+int new_state;
+#endif
+ {
+ if ( yy_start_stack_ptr >= yy_start_stack_depth )
+ {
+ yy_size_t new_size;
+
+ yy_start_stack_depth += YY_START_STACK_INCR;
+ new_size = yy_start_stack_depth * sizeof( int );
+
+ if ( ! yy_start_stack )
+ yy_start_stack = (int *) yy_flex_alloc( new_size );
+
+ else
+ yy_start_stack = (int *) yy_flex_realloc(
+ (void *) yy_start_stack, new_size );
+
+ if ( ! yy_start_stack )
+ YY_FATAL_ERROR(
+ "out of memory expanding start-condition stack" );
+ }
+
+ yy_start_stack[yy_start_stack_ptr++] = YY_START;
+
+ BEGIN(new_state);
+ }
+#endif
+
+
+#ifndef YY_NO_POP_STATE
+static void yy_pop_state()
+ {
+ if ( --yy_start_stack_ptr < 0 )
+ YY_FATAL_ERROR( "start-condition stack underflow" );
+
+ BEGIN(yy_start_stack[yy_start_stack_ptr]);
+ }
+#endif
+
+
+#ifndef YY_NO_TOP_STATE
+static int yy_top_state()
+ {
+ return yy_start_stack[yy_start_stack_ptr - 1];
+ }
+#endif
+
+#ifndef YY_EXIT_FAILURE
+#define YY_EXIT_FAILURE 2
+#endif
+
+#ifdef YY_USE_PROTOS
+static void yy_fatal_error( yyconst char msg[] )
+#else
+static void yy_fatal_error( msg )
+char msg[];
+#endif
+ {
+ (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 yytext. */ \
+ yytext[yyleng] = yy_hold_char; \
+ yy_c_buf_p = yytext + n; \
+ yy_hold_char = *yy_c_buf_p; \
+ *yy_c_buf_p = '\0'; \
+ yyleng = n; \
+ } \
+ while ( 0 )
+
+
+/* Internal utility routines. */
+
+#ifndef yytext_ptr
+#ifdef YY_USE_PROTOS
+static void yy_flex_strncpy( char *s1, yyconst char *s2, int n )
+#else
+static void yy_flex_strncpy( s1, s2, n )
+char *s1;
+yyconst char *s2;
+int n;
+#endif
+ {
+ register int i;
+ for ( i = 0; i < n; ++i )
+ s1[i] = s2[i];
+ }
+#endif
+
+#ifdef YY_NEED_STRLEN
+#ifdef YY_USE_PROTOS
+static int yy_flex_strlen( yyconst char *s )
+#else
+static int yy_flex_strlen( s )
+yyconst char *s;
+#endif
+ {
+ register int n;
+ for ( n = 0; s[n]; ++n )
+ ;
+
+ return n;
+ }
+#endif
+
+
+#ifdef YY_USE_PROTOS
+static void *yy_flex_alloc( yy_size_t size )
+#else
+static void *yy_flex_alloc( size )
+yy_size_t size;
+#endif
+ {
+ return (void *) malloc( size );
+ }
+
+#ifdef YY_USE_PROTOS
+static void *yy_flex_realloc( void *ptr, yy_size_t size )
+#else
+static void *yy_flex_realloc( ptr, size )
+void *ptr;
+yy_size_t size;
+#endif
+ {
+ /* 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 );
+ }
+
+#ifdef YY_USE_PROTOS
+static void yy_flex_free( void *ptr )
+#else
+static void yy_flex_free( ptr )
+void *ptr;
+#endif
+ {
+ free( ptr );
+ }
+
+#if YY_MAIN
+int main()
+ {
+ yylex();
+ return 0;
+ }
+#endif
+#line 262 "parse.lex"
+
+static void fill(s, len)
+ char *s;
+ int len;
+{
+ yylval.string = (char *) malloc(len + 1);
+ if (yylval.string == NULL)
+ yyerror("unable to allocate memory");
+
+ /* copy the string and NULL-terminate it */
+ (void) strncpy(yylval.string, s, len);
+ yylval.string[len] = '\0';
+}
+
+
+static void fill_cmnd(s, len)
+ char *s;
+ int len;
+{
+ arg_len = arg_size = 0;
+
+ yylval.command.cmnd = (char *) malloc(len + 1);
+ if (yylval.command.cmnd == NULL)
+ yyerror("unable to allocate memory");
+
+ /* copy the string and NULL-terminate it */
+ (void) strncpy(yylval.command.cmnd, s, len);
+ yylval.command.cmnd[len] = '\0';
+
+ yylval.command.args = NULL;
+}
+
+
+static void fill_args(s, len, addspace)
+ char *s;
+ int len;
+ int addspace;
+{
+ int new_len;
+ char *p;
+
+ /*
+ * If first arg, malloc() some room, else if we don't
+ * have enough space realloc() some more.
+ */
+ if (yylval.command.args == NULL) {
+ addspace = 0;
+ new_len = len;
+
+ while (new_len >= (arg_size += COMMANDARGINC))
+ ;
+
+ yylval.command.args = (char *) malloc(arg_size);
+ if (yylval.command.args == NULL)
+ yyerror("unable to allocate memory");
+ } else {
+ new_len = arg_len + len + addspace;
+
+ if (new_len >= arg_size) {
+ /* Allocate more space than we need for subsequent args */
+ while (new_len >= (arg_size += COMMANDARGINC))
+ ;
+
+ yylval.command.args = (char *) realloc(yylval.command.args, arg_size);
+ if (yylval.command.args == NULL)
+ yyerror("unable to allocate memory");
+ }
+ }
+
+ /* Efficiently append the arg (with a leading space if needed). */
+ p = yylval.command.args + arg_len;
+ if (addspace)
+ *p++ = ' ';
+ (void) strcpy(p, s);
+ arg_len = new_len;
+}
+
+
+int yywrap()
+{
+#ifdef YY_NEW_FILE
+ YY_NEW_FILE;
+#endif /* YY_NEW_FILE */
+
+ /* don't reset the aliases if called by testsudoers */
+ if (clearaliases)
+ reset_aliases();
+
+ return(TRUE);
+}
projects / sudo / commitdiff