#ifndef _IRR_CHECK_H
#define _IRR_CHECK_H
#include <stdio.h>
#include <sys/types.h>
#include <regex.h>
#include "hdr_comm.h"
#define AS_LENGTH 8 /* max length sanity check for T_AS tokens */
#define MAX_ERROR_BUF_SIZE 2048
#define MAX_CANON_BUF_SIZE 48000 /* this is the max size for building the canonicalized obj */
#define MAX_TOKEN_BUF_SIZE 1024
#define MAX_MANDS 9
/* JW take out
#define TOTAL_SOURCES 2
*/
#define MAX_COUNTRIES 112
/* This is good for long/rpsl
#define ATTR_ID_LENGTH 15 eg, "route: " */
#define ATTR_ID_LENGTH 5 /* eg, "*rt: " */
#define CANON_DISK 0 /* build canonicalized object to disk */
#define CANON_MEM 1 /* build canonicalized object in memory */
#define CANON_LINES_MAX 1000 /* maximum number of lines an object can have */
/* Until object type is determined, set type to NO_OBJECT.
* Set the object attribute type to F_NOATTR until a valid
* attribute is detected. 'EMPTY_LINE_MSG' let's report_errors ()
* know if line is an empty line msg. When there are syntax errors,
* we will suppress empty line messages. When there are no syntax
* errors, we will remove the line from the object and give
* a warning message.
*/
#define NO_OBJECT -1
#define F_NOATTR -1
#define EMPTY_LINE_MSG -2
/* as-in/as-out line continuation. Insert this 'hook' into the
* string so in the end the hook can be replaced by the continuation
* part of the line (eg, "as-in: from AS1 1 accept"). The hook
* will be replaced by the aforementioned text .
*/
#define LC_HOOK "@"
#define LC_CHOOK '@'
#define HOOK_LEN 1
#define lc_filter(x) (*(x) == LC_CHOOK ? (x + 1) : (x))
/* tag for line continuation */
#define PLUS 2
#define SPACE 1
/* Identify message type to the error reporting routine.
* The error routine can tally the number of messages
* of each type.
*/
#define WARN_MSG 0
#define ERROR_MSG 1
#define INFO_MSG 2
#define ERROR_OVERRIDE_MSG 3
#define WARN_OVERRIDE_MSG 4
#define EMPTY_ATTR_MSG 5
/* copy a lex token to our token buffer, strp points to the next free
* spot in the buffer. yyleng is incremented to account for the '\0'.
* We want these strings '\0' terminated so that fputs () will write
* from the buffer to disk properly (ie, fputs () requires a '\0'
* string terminator) (note: fputs () does not copy the '\0' to
* the disk file. But this is okay because fgets () stops reading
* at '\n' and EOF only.)
*/
#define copy_token yyleng++; \
memcpy (strp,&yyleng,int_size); strp += int_size; \
memcpy (strp,yytext,yyleng); strp += yyleng; token_count++;\
curr_obj.field_count++
/* Just like copy_token above except it is called with something else
* besides yyleng and yytext.
*/
#define copy_token_2(a,b) a++; \
memcpy (strp,&a,int_size); strp += int_size; \
memcpy (strp,b,a); strp += a; token_count++;\
curr_obj.field_count++
/* Used soley for error lines and pinpointing the error causing
* token. So 'p' charts along the current line and points to
* the error causing token should an error occur.
*
* WARNING: incr_tokenpos () should preceed copy_token
* since copy_token increments yyleng
*/
#define incr_tokenpos(p) p += yyleng; /*fprintf (dfile, "incr tokenpos :(%d)\n", p)*/
#define reset_token_buf(p) {int _n; canon_strp = strp = string_buf;\
_n = strlen (p) + 1;\
memcpy (strp,&_n,int_size); strp += int_size;\
memcpy (strp,p,_n); strp += _n;}
/* fprintf (dfile, "find_token: (strp - string_buf) (%d)\n", strp - string_buf);\ */
/* return a pointer to mth token in the token buffer */
#define find_token(p,m) {int _n, _tlen; p = string_buf; \
for (_n=m; _n > 1; _n--){\
memcpy (&_tlen,p,int_size);\
p += _tlen + int_size; \
} \
p += int_size; }
/* return a pointer to the 1st token in the lex token buffer */
#define first_token(p) p = string_buf; p += int_size
/* return the next token in the token buffer */
#define next_token(p) {int _tlen; p -= int_size; \
memcpy (&_tlen,p,int_size);\
p += _tlen + int_size + int_size;}
/* is the token buffer empty? */
#define token_buf_empty (strp == string_buf ? 1 : 0)
/* used to check for reoccuring fields in rs-in/rs-out fields */
enum RX_OPTS {
IMPORT_F = 01,
ASPATH_TRANS_F = 02,
FLAP_DAMP_F = 04,
IRRORDER_F = 010
};
/* all legal attributes */
#define MAX_ATTRS 92
enum ATTRS {
F_CP = 0, F_CS, F_NE, F_NP, F_RC, F_RI, F_RX, F_RR,
F_RY, F_AC, F_AA, F_AD, F_AE, F_AH, F_AI, F_AL,
F_AN, F_AM, F_AO, F_AS, F_AT, F_AU, F_AV, F_BG,
F_BI, F_BL, F_CH, F_CL, F_CM, F_CO, F_CY, F_DA,
F_DE, F_DF, F_DI, F_DM, F_DN, F_DO, F_DP, F_DT,
F_EM, F_FX, F_GD, F_GW, F_HO, F_IF, F_II, F_IN,
F_I6, F_IR, F_IT, F_IO, F_LA, F_LI, F_LO, F_MA,
F_MB, F_ML, F_MT, F_MN, F_NA, F_NH, F_NI, F_NO,
F_NS, F_NY, F_OP, F_OF, F_OM, F_OR, F_PE, F_PH,
F_PN, F_RL, F_RM, F_RO, F_RP, F_RT, F_RZ, F_SD,
F_SO, F_ST, F_TB, F_TC, F_TR, F_TX, F_WD, F_ZC,
F_UE, F_UW, F_UD, F_UO
};
/* all legal object types */
#define MAX_OBJS 13
enum OBJS {
O_AN = 0, O_AM, O_CM, O_DN, O_IN, O_I6, O_PN, O_DP,
O_IR, O_LI, O_MT, O_RT, O_RO
};
enum REGEX_TOKENS {
RE_DATE = MAX_ATTRS, RE_EMAIL1, RE_EMAIL2, RE_EMAIL3,
RE_CRYPT_PW, RE_TITLES, RE_NAME, RE_APNIC_HDL,
RE_LCALPHA, RE_STD_HDL, RE_RIPE_HDL, RE_COMM1, RE_COMM2,
RE_ASNAME, RE_ASNUM, RE_ASMACRO, RE_ARIN_HDL
};
#define REGEX_TOKEN_COUNT 17
typedef struct _canon_info_t {
int io; /* disk or memory canonicalization */
int lio; /* disk or mem for lineptr info */
int do_canon; /* do canonicalization yes or no? */
char *bufp; /* next pointer */
char *linep; /* begining of line mem pointer */
char *buffer; /* pointer to begining of parse buffer */
int buf_space_left; /* free space remaining in buffer */
FILE *fd; /* pointer to canonical file on disk */
FILE *lfd; /* pointer to canon line ptr info on disk */
FILE *efd; /* pointer to the error line disk buffer */
char *flushfntmpl; /* pointer to the flush file template name */
char flushfn[256]; /* overflow flush buffer name */
char lflushfn[256]; /* lineptr overflow flush buffer name */
char eflushfn[256]; /* error line buffer name */
long flinep; /* begining of line disk pointer */
int num_objs; /* number of objects parsed, used in QUICK_CHECK case */
} canon_info_t;
typedef struct _canon_line_t {
short attr; /* save the attr type, need after obj is parsed to
determine wt of attr */
long count;/* increment each time attribute is seen, needed in wt
computation */
#define SPEC_ATTR_WEIGHT 1023
float wt; /* Weight of the line, lower wt's at top, heavier at bottom
* The special attrs (ie, ud, ue, uw, ...) are given a special
* weight of 1024. This will cause the special attr's to *always*
* appear at the end of the object. Also, for syntactically correct
* objects the special attr's should *never* appear. So
* display_canonicalized_object () can look for the special weight
* of 1024 to stop displaying the object when encountered. Finally,
* the parser does not know with certainty if
* there is a syntax error until the object has been completely parsed.
* So if there is a syntax error, the special attr's will be in the
* parse buffer and display_canonicalized_object () will show the
* object.
*/
long fpos; /* file pos of begining of line (when line is on disk) */
char *ptr; /* pointer to beginning of line (when line in memory) */
short empty_attr; /* is line and empty attr? Want to leave if object has errors */
long lines; /* number of '\n's in line; for use with fgets () in display_canon_obj () */
} canon_line_t;
/* The result of parsing a line can have the following 3 outcomes:
*/
enum LINE_OUTCOME {
LEGAL_LINE = 01,
SYNTAX_ERROR = 02,
EMPTY_LINE = 04,
DEL_LINE = 010
};
typedef struct _parse_info_t {
short curr_attr; /* current attr of the line we are parsing, eg F_OR */
int attr_lineno; /* line number of the current attr
* incremented in start_new_attr () (begin new line)
* incremented in do_lc_canonical ()
(as-in/as-out line continuation)
* decremented in empty_attr ()
* decremented in ripe181.y: spec_attr rule
(want special attr's to disappear, informational only) */
int start_lineno; /* used to determine proper lineno for error reporting */
int field_count; /* number of fields for this attr */
int num_lines; /* number of lines this object has */
short type; /* object type, eg O_RT, O_MT, for route, maint */
short attrs[MAX_ATTRS]; /* array of all the attr's this object has */
int errors; /* number of errors this object has */
int warns; /* number of warnings this object has */
char lc_tag[256]; /* ai/ao line continuation tag (eg, *ao: to ... announce) */
u_int attr_error; /* was there an error with this attribute? */
int error_pos; /* position within the line of the error, the <?> symbol will go here */
int elines; /* number of lines in output if and error occurs */
int eline_len; /* number of chars in output if an error occurs */
char *err_msg; /* pointer to the error message buffer */
char *errp; /* point to position for next error msg */
char *obj_key; /* HDR info: object key */
char *second_key; /* HDR info: need for route and person obj's */
char *op; /* HDR info: operation, ie, DEL or OTHER */
char *override; /* HDR info: override password */
char *mnt_by; /* HDR info: all maintainer references */
char *source; /* HDR info: DB source */
char *cookies; /* HDR info: magic auth cookies */
char *check_notify; /* HDR info: notify attr's */
char *check_mnt_nfy; /* HDR info: mnt_nfy attr's */
char *password; /* HDR info: password for CRYPT-PW */
} parse_info_t;
/* syntax_attrs.c: syntax checking routines */
/* globals */
extern canon_line_t lineptr[];
extern int verbose;
/* JW take out
extern int eline_len;
extern int elines;
*/
extern int INFO_HEADERS_FLAG;
/* Error and warning messages go here */
char error_buf[MAX_ERROR_BUF_SIZE];
/* string lex tokens go here */
extern int int_size;
extern char string_buf[];
extern char *strp;
extern char *canon_strp;
extern FILE *dfile;
extern FILE *ofile;
extern int CANONICALIZE_OBJS_FLAG;
extern FILE *yyin;
extern char *obj_type[];
extern const char ERROR_TOKEN[];
extern short attr_is_key[MAX_ATTRS];
/* multi-valued attr checker's */
void hdl_syntax (parse_info_t *obj, char *hdl);
/* field sytnax checker's */
int email_syntax (char *email_addr, parse_info_t *obj);
void regex_syntax (char *reg_exp, parse_info_t *obj);
char *date_syntax (char *, parse_info_t *, int);
void cryptpw_syntax (char *cryptpw, parse_info_t *obj);
void source_syntax (char *source_name, parse_info_t *obj);
int is_nichdl (char *nichdl);
void nichdl_syntax (char *nic_hdl, parse_info_t *obj);
int delete_syntax (char *, parse_info_t *);
int password_syntax (char *, parse_info_t *);
int override_syntax (char *, parse_info_t *, int);
int authorise_syntax (char *, parse_info_t *, int);
int inetnum_syntax (parse_info_t *, char *, char *);
int country_syntax (char *country, parse_info_t *obj);
/* util.c */
void check_object_start (parse_info_t *obj, enum ATTRS o_type);
void check_object_end (parse_info_t *obj, canon_info_t *canon_info);
void start_new_object (parse_info_t *obj, canon_info_t *canon_info);
void error_msg_queue (parse_info_t *obj, char *emsg, int msg_type);
void report_errors (parse_info_t *obj);
void init_regexes ();
void regex_compile (regex_t re[], int offset, char *reg_exp);
int is_nichdl (char *);
int is_country (char *p, char *countries[]);
int is_special_suffix (char *);
source_t *is_sourcedb (char *, source_t *);
int starts_with_keyword (char *token);
void comm_syntax (char *comm_name, parse_info_t *obj);
char *my_strcat (int num_args, u_int skipfree, ...);
void wrap_up (canon_info_t *);
int irrorder_syntax (parse_info_t *obj, char *sources_list, char *new_source);
void convert_toupper (char *_z);
void convert_tolower (char *_z);
/* canonical.c */
void parse_buf_add (canon_info_t *canon_obj, char *format, ...);
void canonicalize_key_attr (parse_info_t *obj, canon_info_t *canon_info);
void display_canonicalized_object (parse_info_t *, canon_info_t *);
void add_canonical_error_line (parse_info_t *, canon_info_t *, int);
void start_new_canonical_line(canon_info_t *canon_info, parse_info_t *obj);
void do_lc_canonical (int *, parse_info_t *, canon_info_t *, char *);
void finish_lcline (parse_info_t *, canon_info_t *);
int irrcheck_find_token (char **x, char **y);
void set_lineptr_empty (canon_info_t *, parse_info_t *);
/* header_construction.c */
void build_header_info (parse_info_t *);
void display_header_info (parse_info_t *);
char *my_concat (char *, char *, int);
/* ripe181.fl */
void reset_token_buffer ();
/* prefix.c */
int _is_ipv4_prefix (parse_info_t *obj, char *string, int short_prefix);
int net_mask_syntax (parse_info_t *obj, char *prefix);
int irrd_inet_pton (int af, const char *src, void *dst);
#endif /* IRR_CHECK_H */
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