## modules/rp/rp_convert.c

/* [<][>][^][v][top][bottom][index][help] */

## FUNCTIONS

This source file includes following functions.

1. RP_attr2fam
2. RP_attr2spc
3. RP_asc2uni
4. RP_asc2pack
5. rp_make_short
6. RP_pack_set_orig
7. RP_pack_set_type
8. RP_pack_set_pref4
9. RP_pack_set_revd
10. RP_pack_set_pref6
11. RP_pack_set_rang

       1 /***************************************
       2   $Revision: 1.11 $
       3
       4   Radix payload (rp) - user level functions for storing data in radix trees
       5
       6   rp_convert = conversion helpers for RX_asc_node and UD module.
       7
       8   Status: NOT REVIEWED, TESTED
       9
      10   Design and implementation by: Marek Bukowy
      11
      12   ******************/ /******************
      13   Copyright (c) 1999,2000,2001,2002               RIPE NCC
      14
      15   All Rights Reserved
      16
      17   Permission to use, copy, modify, and distribute this software and its
      18   documentation for any purpose and without fee is hereby granted,
      19   provided that the above copyright notice appear in all copies and that
      20   both that copyright notice and this permission notice appear in
      21   supporting documentation, and that the name of the author not be
      22   used in advertising or publicity pertaining to distribution of the
      23   software without specific, written prior permission.
      24
      25   THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
      26   ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS; IN NO EVENT SHALL
      27   AUTHOR BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY
      28   DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
      29   AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
      30   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
      31   ***************************************/
      32
      33 #include "rip.h"
      34
      35 /* return the family of tree to be used for the given attribute.
      36    die if not defined.
      37 */
      38 rx_fam_t RP_attr2fam( rp_attr_t type )
         /* [<][>][^][v][top][bottom][index][help] */
      39 {
      40   rx_fam_t res = DF_attrcode_radix_family( type );
      41
      42   dieif(res == -1);
      43
      44   return res;
      45 }
      46
      47
      48
      49 /*
      50    returns 1 if the given space may appear for a given attribute
      51 */
      52 int RP_attr2spc(rp_attr_t type, ip_space_t space)
         /* [<][>][^][v][top][bottom][index][help] */
      53 {
      54   char *loadv4 = DF_attrcode_radix_load_v4( type );
      55   char *loadv6 = DF_attrcode_radix_load_v6( type );
      56   char *loadqry = ( space == IP_V4 ) ? loadv4 : loadv6;
      57
      58   return ( loadqry != NULL ); /* 1 if defined, 0 otherwise */
      59 }
      60
      61
      62 er_ret_t
      63 RP_asc2uni(const char *astr,       /*+ string prefix/range/IP/inaddr +*/
         /* [<][>][^][v][top][bottom][index][help] */
      64            rp_attr_t  attr,
      65            rp_uni_t   *uni)        /* destination pointer */
      66 {
      67   er_ret_t   conv;
      68   rx_fam_t   fam_id = RP_attr2fam( attr );
      69   switch( attr ) {
      70   case A_IN:
      71     conv = IP_rang_e2b(&(uni->u.in), astr);
      72     break;
      73   case A_RT:
      74   case A_I6:
      75     conv = IP_pref_e2b(&(uni->u.rt), astr);
      76     break;
      77   case A_DN:
      78     conv = IP_revd_e2b(&(uni->u.rt), astr);
      79     break;
      80   default:
      81     /*    die; / * shouldn't have got here */
      82     conv = IP_INVARG;
      83   }
      84
      85   if( conv == IP_OK ) {
      86     uni->fam = fam_id;
      87
      88     if( fam_id == RX_FAM_RT ) {
      89       uni->space = IP_pref_b2_space( &(uni->u.rt) );
      90     } else {  /* RX_FAM_IN */
      91       uni->space = IP_rang_b2_space( &(uni->u.in) );
      92     }
      93   }
      94
      95   return conv;
      96 }
      97
      98
      99
     100 /* Function to fill data for radix tree */
     101 /* returns error if string is not valid, also for reverse domains */
     102 er_ret_t
     103 RP_asc2pack(rp_upd_pack_t *pack, rp_attr_t type, const char *string)
         /* [<][>][^][v][top][bottom][index][help] */
     104 {
     105   er_ret_t err;
     106
     107   pack->type = type;
     108
     109   ER_dbg_va(FAC_RP, ASP_RP_PACK_DET,
     110             "RP_asc2pack: converted attr %s: %s to pack at %08x",
     111             DF_get_attribute_code(type), string, pack );
     112
     113
     114   err = RP_asc2uni(string, type, &(pack->uni) );
     115
     116   if( type == A_DN && err == IP_OK) {
     117     /* Check if it is an in-addr.arpa domain, set domain ptr only then */
     118     pack->d.domain = string;
     119   }
     120
     121   return err;
     122 }
     123
     124
     125 /* construct -K contents
     126  *
     127  * MT-NOTE: returns POITNER TO STATIC MEMORY !!!
     128  *
     129  * ASSUMES ONLY ONE UPDATE THREAD RUNNING.
     130  */
     131 void rp_make_short(rp_upd_pack_t *pack, char **ptr, unsigned *len)
         /* [<][>][^][v][top][bottom][index][help] */
     132 {
     133 #undef STR_L
     134 #define STR_L 2048
     135   static char buf[STR_L];
     136   char prefstr[IP_PREFSTR_MAX];
     137   char rangstr[IP_RANGSTR_MAX];
     138
     139   switch( pack->type ) {
     140   case A_RT:
     141     dieif( IP_pref_b2a( &(pack->uni.u.rt), prefstr, IP_PREFSTR_MAX) != IP_OK );
     142     snprintf(buf, STR_L, "route:    \t%s\norigin:   \t%s\n", prefstr, pack->d.origin);
     143     break;
     144   case A_I6:
     145     dieif( IP_pref_b2a( &(pack->uni.u.rt), prefstr, IP_PREFSTR_MAX) != IP_OK );
     146     snprintf(buf, STR_L, "inet6num: \t%s\n", prefstr);
     147     break;
     148   case A_IN:
     149     dieif( IP_rang_b2a( &(pack->uni.u.in), rangstr, IP_RANGSTR_MAX) != IP_OK );
     150     snprintf(buf, STR_L, "inetnum:  \t%s\n", rangstr);
     151     break;
     152   case A_DN:
     153     snprintf(buf, STR_L, "domain:   \t%s\n", pack->d.domain );
     154     break;
     155   default:
     156     /* FALLTHROUGH */
     157     ;
     158   }
     159
     160   *ptr = buf;
     161   *len = strlen(buf);
     162 }
     163
     164 /***************** set the values in rx_*_data thingies ***************/
     165 er_ret_t RP_pack_set_orig(rp_attr_t  attr, rp_upd_pack_t *pack, const char *origin)
         /* [<][>][^][v][top][bottom][index][help] */
     166 {
     167   pack->d.origin = origin;
     168   return(IP_OK);
     169   /* ignore attr */
     170 }
     171
     172 /* those are just interfacing to
     173  * functions to convert to IP binary format and retain raw values
     174  */
     175 er_ret_t RP_pack_set_type(rp_attr_t  attr, rp_upd_pack_t *pack)
         /* [<][>][^][v][top][bottom][index][help] */
     176 {
     177   pack->type = attr;
     178   pack->uni.fam = RP_attr2fam( attr );
     179   return(IP_OK);
     180 }
     181
     182 er_ret_t RP_pack_set_pref4(rp_attr_t  attr, const char *avalue, rp_upd_pack_t *pack,
         /* [<][>][^][v][top][bottom][index][help] */
     183                        unsigned *prefix, unsigned *prefix_length)
     184 {
     185 er_ret_t ret;
     186   if((ret = IP_pref_a2v4(avalue, &(pack->uni.u.rt), prefix, prefix_length)) == IP_OK){
     187     pack->uni.space = IP_V4;
     188     RP_pack_set_type(attr, pack);
     189   }
     190   return(ret);
     191 }
     192
     193 er_ret_t RP_pack_set_revd(rp_attr_t  attr, const char *avalue, rp_upd_pack_t *pack)
         /* [<][>][^][v][top][bottom][index][help] */
     194 {
     195   dieif(IP_revd_a2b(&(pack->uni.u.rt), avalue) != IP_OK); /* assuming correctness checked */
     196   pack->d.domain = avalue;
     197   pack->uni.space = IP_pref_b2_space( &(pack->uni.u.rt) );
     198   RP_pack_set_type(attr, pack);
     199   return(IP_OK);
     200 }
     201
     202
     203 er_ret_t RP_pack_set_pref6(rp_attr_t  attr, const char *avalue, rp_upd_pack_t *pack,
         /* [<][>][^][v][top][bottom][index][help] */
     204                        ip_v6word_t *high, ip_v6word_t *low, unsigned *prefix_length)
     205 {
     206 er_ret_t ret;
     207   if((ret = IP_pref_a2v6(avalue, &(pack->uni.u.rt), high, low, prefix_length)) == IP_OK){
     208     pack->uni.space = IP_V6;
     209     RP_pack_set_type(attr, pack);
     210   }
     211   return(ret);
     212 }
     213
     214 er_ret_t RP_pack_set_rang(rp_attr_t  attr, const char *avalue, rp_upd_pack_t *pack,
         /* [<][>][^][v][top][bottom][index][help] */
     215                       unsigned *begin_in, unsigned *end_in)
     216 {
     217 er_ret_t ret;
     218   if((ret = IP_rang_a2v4(avalue, (ip_range_t *) &(pack->uni.u.in),
     219                begin_in, end_in)) == IP_OK) {
     220     pack->uni.space = IP_V4;
     221     RP_pack_set_type(attr, pack);
     222   }
     223   return(ret);
     224 }
     225
     226
     227 /***************************************************************************/
     228
     229 /***************************************************************************/

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