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openldap  2.4.31
Functions | Variables
ldapsync.c File Reference
#include "portable.h"
#include <stdio.h>
#include <ac/string.h>
#include <ac/socket.h>
#include "lutil.h"
#include "slap.h"
#include "../../libraries/liblber/lber-int.h"
#include "lutil_ldap.h"

Go to the source code of this file.

Functions

void slap_compose_sync_cookie (Operation *op, struct berval *cookie, BerVarray csn, int rid, int sid)
void slap_sync_cookie_free (struct sync_cookie *cookie, int free_cookie)
int slap_parse_csn_sid (struct berval *csnp)
intslap_parse_csn_sids (BerVarray csns, int numcsns, void *memctx)
static int sidsort_cmp (int *matchp, slap_mask_t flags, Syntax *syntax, MatchingRule *mr, struct berval *b1, void *v2)
int slap_sort_csn_sids (BerVarray csns, int *sids, int numcsns, void *memctx)
void slap_insert_csn_sids (struct sync_cookie *ck, int pos, int sid, struct berval *csn)
int slap_parse_sync_cookie (struct sync_cookie *cookie, void *memctx)
int slap_init_sync_cookie_ctxcsn (struct sync_cookie *cookie)
struct sync_cookieslap_dup_sync_cookie (struct sync_cookie *dst, struct sync_cookie *src)

Variables

static slap_mr_match_func sidsort_cmp
static const MatchingRule sidsort_mr
static const AttributeType sidsort_at
static const AttributeDescription sidsort_ad

Function Documentation

static int sidsort_cmp ( int matchp,
slap_mask_t  flags,
Syntax syntax,
MatchingRule mr,
struct berval b1,
void v2 
) [static]

Definition at line 191 of file ldapsync.c.

{
       struct berval *b2 = v2;
       *matchp = b1->bv_len - b2->bv_len;
       return LDAP_SUCCESS;
}
void slap_compose_sync_cookie ( Operation op,
struct berval cookie,
BerVarray  csn,
int  rid,
int  sid 
)

Definition at line 34 of file ldapsync.c.

{
       int len, numcsn = 0;

       if ( csn ) {
              for (; !BER_BVISNULL( &csn[numcsn] ); numcsn++);
       }

       if ( numcsn == 0 || rid == -1 ) {
              char cookiestr[ LDAP_PVT_CSNSTR_BUFSIZE + 20 ];
              if ( rid == -1 ) {
                     cookiestr[0] = '\0';
                     len = 0;
              } else {
                     len = snprintf( cookiestr, sizeof( cookiestr ),
                                   "rid=%03d", rid );
                     if ( sid >= 0 ) {
                            len += sprintf( cookiestr+len, ",sid=%03x", sid );
                     }
              }
              ber_str2bv_x( cookiestr, len, 1, cookie, 
                     op ? op->o_tmpmemctx : NULL );
       } else {
              char *ptr;
              int i;

              len = 0;
              for ( i=0; i<numcsn; i++)
                     len += csn[i].bv_len + 1;

              len += STRLENOF("rid=123,csn=");
              if ( sid >= 0 )
                     len += STRLENOF("sid=xxx,");

              cookie->bv_val = slap_sl_malloc( len, op ? op->o_tmpmemctx : NULL );

              len = sprintf( cookie->bv_val, "rid=%03d,", rid );
              ptr = cookie->bv_val + len;
              if ( sid >= 0 ) {
                     ptr += sprintf( ptr, "sid=%03x,", sid );
              }
              ptr = lutil_strcopy( ptr, "csn=" );
              for ( i=0; i<numcsn; i++) {
                     ptr = lutil_strncopy( ptr, csn[i].bv_val, csn[i].bv_len );
                     *ptr++ = ';';
              }
              ptr--;
              *ptr = '\0';
              cookie->bv_len = ptr - cookie->bv_val;
       }
}

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struct sync_cookie* slap_dup_sync_cookie ( struct sync_cookie dst,
struct sync_cookie src 
) [read]

Definition at line 403 of file ldapsync.c.

{
       struct sync_cookie *new;
       int i;

       if ( src == NULL )
              return NULL;

       if ( dst ) {
              ber_bvarray_free( dst->ctxcsn );
              dst->ctxcsn = NULL;
              dst->sids = NULL;
              ch_free( dst->octet_str.bv_val );
              BER_BVZERO( &dst->octet_str );
              new = dst;
       } else {
              new = ( struct sync_cookie * )
                            ch_calloc( 1, sizeof( struct sync_cookie ));
       }

       new->rid = src->rid;
       new->sid = src->sid;
       new->numcsns = src->numcsns;

       if ( src->numcsns ) {
              if ( ber_bvarray_dup_x( &new->ctxcsn, src->ctxcsn, NULL )) {
                     if ( !dst ) {
                            ch_free( new );
                     }
                     return NULL;
              }
              new->sids = ch_malloc( src->numcsns * sizeof(int) );
              for (i=0; i<src->numcsns; i++)
                     new->sids[i] = src->sids[i];
       }

       if ( !BER_BVISNULL( &src->octet_str )) {
              ber_dupbv( &new->octet_str, &src->octet_str );
       }

       return new;
}

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Definition at line 374 of file ldapsync.c.

{
       char csnbuf[ LDAP_PVT_CSNSTR_BUFSIZE + 4 ];
       struct berval octet_str = BER_BVNULL;
       struct berval ctxcsn = BER_BVNULL;

       if ( cookie == NULL )
              return -1;

       octet_str.bv_len = snprintf( csnbuf, LDAP_PVT_CSNSTR_BUFSIZE + 4,
                                   "csn=%4d%02d%02d%02d%02d%02dZ#%06x#%02x#%06x",
                                   1900, 1, 1, 0, 0, 0, 0, 0, 0 );
       octet_str.bv_val = csnbuf;
       ch_free( cookie->octet_str.bv_val );
       ber_dupbv( &cookie->octet_str, &octet_str );

       ctxcsn.bv_val = octet_str.bv_val + 4;
       ctxcsn.bv_len = octet_str.bv_len - 4;
       cookie->ctxcsn = NULL;
       value_add_one( &cookie->ctxcsn, &ctxcsn );
       cookie->numcsns = 1;
       cookie->sid = -1;

       return 0;
}

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void slap_insert_csn_sids ( struct sync_cookie ck,
int  pos,
int  sid,
struct berval csn 
)

Definition at line 232 of file ldapsync.c.

{
       int i;
       ck->numcsns++;
       ck->ctxcsn = ch_realloc( ck->ctxcsn,
              (ck->numcsns+1) * sizeof(struct berval));
       BER_BVZERO( &ck->ctxcsn[ck->numcsns] );
       ck->sids = ch_realloc( ck->sids, ck->numcsns * sizeof(int));
       for ( i = ck->numcsns-1; i > pos; i-- ) {
              ck->ctxcsn[i] = ck->ctxcsn[i-1];
              ck->sids[i] = ck->sids[i-1];
       }
       ck->sids[i] = sid;
       ber_dupbv( &ck->ctxcsn[i], csn );
}

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int slap_parse_csn_sid ( struct berval csnp)

Definition at line 123 of file ldapsync.c.

{
       char *p, *q;
       struct berval csn = *csnp;
       int i;

       p = ber_bvchr( &csn, '#' );
       if ( !p )
              return -1;
       p++;
       csn.bv_len -= p - csn.bv_val;
       csn.bv_val = p;

       p = ber_bvchr( &csn, '#' );
       if ( !p )
              return -1;
       p++;
       csn.bv_len -= p - csn.bv_val;
       csn.bv_val = p;

       q = ber_bvchr( &csn, '#' );
       if ( !q )
              return -1;

       csn.bv_len = q - p;

       i = strtol( p, &q, 16 );
       if ( p == q || q != p + csn.bv_len || i < 0 || i > SLAP_SYNC_SID_MAX ) {
              i = -1;
       }

       return i;
}

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int* slap_parse_csn_sids ( BerVarray  csns,
int  numcsns,
void memctx 
)

Definition at line 158 of file ldapsync.c.

{
       int i, *ret;

       ret = slap_sl_malloc( numcsns * sizeof(int), memctx );
       for ( i=0; i<numcsns; i++ ) {
              ret[i] = slap_parse_csn_sid( &csns[i] );
       }
       return ret;
}

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int slap_parse_sync_cookie ( struct sync_cookie cookie,
void memctx 
)

Definition at line 254 of file ldapsync.c.

{
       char *csn_ptr;
       char *csn_str;
       char *cval;
       char *next, *end;
       AttributeDescription *ad = slap_schema.si_ad_entryCSN;

       if ( cookie == NULL )
              return -1;

       if ( cookie->octet_str.bv_len <= STRLENOF( "rid=" ) )
              return -1;

       cookie->rid = -1;
       cookie->sid = -1;
       cookie->ctxcsn = NULL;
       cookie->sids = NULL;
       cookie->numcsns = 0;

       end = cookie->octet_str.bv_val + cookie->octet_str.bv_len;

       for ( next=cookie->octet_str.bv_val; next < end; ) {
              if ( !strncmp( next, "rid=", STRLENOF("rid=") )) {
                     char *rid_ptr = next;
                     cookie->rid = strtol( &rid_ptr[ STRLENOF( "rid=" ) ], &next, 10 );
                     if ( next == rid_ptr ||
                            next > end ||
                            ( *next && *next != ',' ) ||
                            cookie->rid < 0 ||
                            cookie->rid > SLAP_SYNC_RID_MAX )
                     {
                            return -1;
                     }
                     if ( *next == ',' ) {
                            next++;
                     }
                     if ( !ad ) {
                            break;
                     }
                     continue;
              }
              if ( !strncmp( next, "sid=", STRLENOF("sid=") )) {
                     char *sid_ptr = next;
                     sid_ptr = next;
                     cookie->sid = strtol( &sid_ptr[ STRLENOF( "sid=" ) ], &next, 16 );
                     if ( next == sid_ptr ||
                            next > end ||
                            ( *next && *next != ',' ) ||
                            cookie->sid < 0 ||
                            cookie->sid > SLAP_SYNC_SID_MAX )
                     {
                            return -1;
                     }
                     if ( *next == ',' ) {
                            next++;
                     }
                     continue;
              }
              if ( !strncmp( next, "csn=", STRLENOF("csn=") )) {
                     struct berval stamp;

                     next += STRLENOF("csn=");
                     while ( next < end ) {
                            csn_str = next;
                            csn_ptr = strchr( csn_str, '#' );
                            if ( !csn_ptr || csn_ptr > end )
                                   break;
                            /* ad will be NULL when called from main. we just
                             * want to parse the rid then. But we still iterate
                             * through the string to find the end.
                             */
                            cval = strchr( csn_ptr, ';' );
                            if ( !cval )
                                   cval = strchr(csn_ptr, ',' );
                            if ( cval )
                                   stamp.bv_len = cval - csn_str;
                            else
                                   stamp.bv_len = end - csn_str;
                            if ( ad ) {
                                   struct berval bv;
                                   stamp.bv_val = csn_str;
                                   if ( ad->ad_type->sat_syntax->ssyn_validate(
                                          ad->ad_type->sat_syntax, &stamp ) != LDAP_SUCCESS )
                                          break;
                                   if ( ad->ad_type->sat_equality->smr_normalize(
                                          SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
                                          ad->ad_type->sat_syntax,
                                          ad->ad_type->sat_equality,
                                          &stamp, &bv, memctx ) != LDAP_SUCCESS )
                                          break;
                                   ber_bvarray_add_x( &cookie->ctxcsn, &bv, memctx );
                                   cookie->numcsns++;
                            }
                            if ( cval ) {
                                   next = cval + 1;
                                   if ( *cval != ';' )
                                          break;
                            } else {
                                   next = end;
                                   break;
                            }
                     }
                     continue;
              }
              next++;
       }
       if ( cookie->numcsns ) {
              cookie->sids = slap_parse_csn_sids( cookie->ctxcsn, cookie->numcsns,
                     memctx );
              if ( cookie->numcsns > 1 )
                     slap_sort_csn_sids( cookie->ctxcsn, cookie->sids, cookie->numcsns, memctx );
       }
       return 0;
}

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int slap_sort_csn_sids ( BerVarray  csns,
int sids,
int  numcsns,
void memctx 
)

Definition at line 209 of file ldapsync.c.

{
       Attribute a;
       const char *text;
       int i, rc;

       a.a_desc = (AttributeDescription *)&sidsort_ad;
       a.a_nvals = slap_sl_malloc( numcsns * sizeof(struct berval), memctx );
       for ( i=0; i<numcsns; i++ ) {
              a.a_nvals[i].bv_len = sids[i];
              a.a_nvals[i].bv_val = NULL;
       }
       a.a_vals = csns;
       a.a_numvals = numcsns;
       a.a_flags = 0;
       rc = slap_sort_vals( (Modifications *)&a, &text, &i, memctx );
       for ( i=0; i<numcsns; i++ )
              sids[i] = a.a_nvals[i].bv_len;
       slap_sl_free( a.a_nvals, memctx );
       return rc;
}

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void slap_sync_cookie_free ( struct sync_cookie cookie,
int  free_cookie 
)

Definition at line 92 of file ldapsync.c.

{
       if ( cookie == NULL )
              return;

       if ( cookie->sids ) {
              ch_free( cookie->sids );
              cookie->sids = NULL;
       }

       if ( cookie->ctxcsn ) {
              ber_bvarray_free( cookie->ctxcsn );
              cookie->ctxcsn = NULL;
       }
       cookie->numcsns = 0;
       if ( !BER_BVISNULL( &cookie->octet_str )) {
              ch_free( cookie->octet_str.bv_val );
              BER_BVZERO( &cookie->octet_str );
       }

       if ( free_cookie ) {
              ch_free( cookie );
       }

       return;
}

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Variable Documentation

Initial value:
 {
       NULL,
       (AttributeType *)&sidsort_at
}

Definition at line 185 of file ldapsync.c.

Initial value:
 {
       { 0 },
       { 0 },
       NULL, NULL, (MatchingRule *)&sidsort_mr,
       NULL, NULL, NULL, NULL, NULL, NULL, NULL, SLAP_AT_SORTED_VAL
}

Definition at line 179 of file ldapsync.c.

slap_mr_match_func sidsort_cmp [static]

Definition at line 169 of file ldapsync.c.

Initial value:
 {
       { 0 },
       NULL,
       { 0 },
       { 0 },
       0,
       NULL, NULL, NULL, sidsort_cmp
}

Definition at line 171 of file ldapsync.c.