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fix dirsep's in DN (ITS#5172)

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This commit is contained in:
Pierangelo Masarati 2007-10-10 18:50:20 +00:00
parent 5418b51643
commit b6508a1066
1 changed files with 44 additions and 8 deletions
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52
servers/slapd/back-ldif/ldif.c
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@ -82,25 +82,58 @@ static ConfigOCs ldifocs[] = {
};
static void
dn2path(struct berval * dn, struct berval * suffixdn, struct berval * base_path,
dn2path(struct berval * orig_dn, struct berval * suffixdn, struct berval * base_path,
struct berval *res)
{
char *ptr, *sep, *end;
int nsep = 0;
struct berval dn;
assert( dn != NULL );
assert( !BER_BVISNULL( dn ) );
assert( orig_dn != NULL );
assert( !BER_BVISNULL( orig_dn ) );
assert( suffixdn != NULL );
assert( !BER_BVISNULL( suffixdn ) );
assert( dnIsSuffix( dn, suffixdn ) );
assert( dnIsSuffix( orig_dn, suffixdn ) );
res->bv_len = dn->bv_len + base_path->bv_len + 1 + STRLENOF( LDIF );
dn = *orig_dn;
/* escape dirsep's
* use "\" + hexpair, so the escaped DN remains formally valid */
for ( ptr = dn.bv_val, end = &dn.bv_val[dn.bv_len]; ptr < end; ptr++ ) {
if ( ptr[0] == LDAP_DIRSEP[0] ) {
nsep++;
}
}
if ( nsep ) {
char *p;
dn.bv_len += 2*nsep;
dn.bv_val = ch_malloc( dn.bv_len + 1 );
for ( ptr = orig_dn->bv_val, end = &orig_dn->bv_val[orig_dn->bv_len], p = dn.bv_val;
ptr < end; ptr++, p++)
{
static const char hex[] = "0123456789ABCDEF";
if ( ptr[0] == LDAP_DIRSEP[0] ) {
*p++ = '\\';
*p++ = hex[(LDAP_DIRSEP[0] & 0xF0U) >> 4];
*p = hex[LDAP_DIRSEP[0] & 0x0FU];
} else {
p[0] = ptr[0];
}
}
p[0] = '\0';
}
res->bv_len = dn.bv_len + base_path->bv_len + 1 + STRLENOF( LDIF );
res->bv_val = ch_malloc( res->bv_len + 1 );
ptr = lutil_strcopy( res->bv_val, base_path->bv_val );
*ptr++ = LDAP_DIRSEP[0];
ptr = lutil_strcopy( ptr, suffixdn->bv_val );
end = dn->bv_val + dn->bv_len - suffixdn->bv_len - 1;
while ( end > dn->bv_val ) {
for (sep = end-1; sep >=dn->bv_val && !DN_SEPARATOR( *sep ); sep--);
end = dn.bv_val + dn.bv_len - suffixdn->bv_len - 1;
while ( end > dn.bv_val ) {
for (sep = end-1; sep >= dn.bv_val && !DN_SEPARATOR( *sep ); sep--);
*ptr++ = LDAP_DIRSEP[0];
ptr = lutil_strncopy( ptr, sep+1, end-sep-1 );
end = sep;
@ -125,6 +158,9 @@ dn2path(struct berval * dn, struct berval * suffixdn, struct berval * base_path,
}
}
#endif
if ( dn.bv_val != orig_dn->bv_val ) {
ch_free( dn.bv_val );
}
}
static char * slurp_file(int fd) {