#ifndef _IRR_CHECK_H #define _IRR_CHECK_H #include #include #include #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 */