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My first work ...
-----Message d'origine----- De : openldap-its@OpenLDAP.org [mailto:openldap-its@OpenLDAP.org] Envoy=E9 : mardi 3 f=E9vrier 2009 11:02 =C0 : Philippe.eychart@informatique.gov.pf Objet : Re: (ITS#5919) URI syntaxe (ldap:///dc=3Dmy%2cdc=3Ddomaine)
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--- openldap-2.4.13/libraries/libldap/dnssrv.c 2009-01-23 = 20:56:43.000000000 +0000=0A= +++ openldap-2.4.13/libraries/libldap/dnssrv.c 2009-01-24 = 01:00:47.000000000 +0000=0A= # This patch file is derived from OpenLDAP Software. All of the = modifications to OpenLDAP Software represented in the following = patch(es) were developed by Philippe.EYCHART@mail.pf. I have not = assigned rights and/or interest in this work to any party.=0A= # this patch for more compliance with RFC 2782 : the result string is = sorted by priorities (SRV rr) in function ldap_domain2hostlist() ... not = yet according weight :-(=0A= @@ -223,10 +223,14 @@=0A= #endif=0A= if (len >=3D 0) {=0A= unsigned char *p;=0A= - char host[DNSBUFSIZ];=0A= + struct hostInfo {=0A= + char name[DNSBUFSIZ];=0A= + int priority;=0A= + /* int weight; */=0A= + u_short port;=0A= + } *host =3D NULL;=0A= + int curhost=3D0;=0A= int status;=0A= - u_short port;=0A= - /* int priority, weight; */=0A= =0A= /* Parse out query */=0A= p =3D reply;=0A= @@ -242,8 +246,15 @@=0A= p +=3D sizeof(HEADER);=0A= #endif=0A= =0A= - status =3D dn_expand(reply, reply + len, p, host, sizeof(host));=0A= + host =3D (struct hostInfo *) LDAP_MALLOC (sizeof (struct hostInfo));=0A= + if ( ! host ) {=0A= + rc =3D LDAP_NO_MEMORY;=0A= + goto out;=0A= + }=0A= +=0A= + status =3D dn_expand(reply, reply + len, p, host[curhost].name, = sizeof(host[curhost].name));=0A= if (status < 0) {=0A= + LDAP_FREE (host);=0A= goto out;=0A= }=0A= p +=3D status;=0A= @@ -251,8 +262,9 @@=0A= =0A= while (p < reply + len) {=0A= int type, class, ttl, size;=0A= - status =3D dn_expand(reply, reply + len, p, host, sizeof(host));=0A= + status =3D dn_expand(reply, reply + len, p, host[curhost].name, = sizeof(host[curhost].name));=0A= if (status < 0) {=0A= + LDAP_FREE (host);=0A= goto out;=0A= }=0A= p +=3D status;=0A= @@ -265,35 +277,61 @@=0A= size =3D (p[0] << 8) | p[1];=0A= p +=3D 2;=0A= if (type =3D=3D T_SRV) {=0A= - int buflen;=0A= - status =3D dn_expand(reply, reply + len, p + 6, host, sizeof(host));=0A= + status =3D dn_expand(reply, reply + len, p + 6, host[curhost].name, = sizeof(host[curhost].name));=0A= if (status < 0) {=0A= + LDAP_FREE (host);=0A= goto out;=0A= }=0A= - /* ignore priority and weight for now */=0A= - /* priority =3D (p[0] << 8) | p[1]; */=0A= - /* weight =3D (p[2] << 8) | p[3]; */=0A= - port =3D (p[4] << 8) | p[5];=0A= + host[curhost].priority =3D (p[0] << 8) | p[1];=0A= + /* ignore weight for now */=0A= + /* host[curhost].weight =3D (p[2] << 8) | p[3]; */=0A= + host[curhost].port =3D (p[4] << 8) | p[5];=0A= =0A= - if ( port =3D=3D 0 || host[ 0 ] =3D=3D '\0' ) {=0A= + if ( host[curhost].port =3D=3D 0 || host[curhost].name[ 0 ] =3D=3D = '\0' ) {=0A= goto add_size;=0A= }=0A= =0A= - buflen =3D strlen(host) + STRLENOF(":65355 ");=0A= - hostlist =3D (char *) LDAP_REALLOC(hostlist, cur + buflen + 1);=0A= - if (hostlist =3D=3D NULL) {=0A= + curhost++;=0A= + host =3D (struct hostInfo *) LDAP_REALLOC (host, (curhost + 1) * = sizeof (struct hostInfo));=0A= + if ( ! host ) {=0A= rc =3D LDAP_NO_MEMORY;=0A= goto out;=0A= }=0A= - if (cur > 0) {=0A= - /* not first time around */=0A= - hostlist[cur++] =3D ' ';=0A= - }=0A= - cur +=3D sprintf(&hostlist[cur], "%s:%hd", host, port);=0A= +=0A= }=0A= add_size:;=0A= p +=3D size;=0A= }=0A= +=0A= + if ( host[0].name[ 0 ] ) {=0A= + int nbhosts=3Dcurhost, bull;=0A= + unsigned char buffer[sizeof (struct hostInfo)]; // :(=0A= +=0A= + // sort hosts by priorities ...=0A= + for (bull=3D(char)1; bull; ) { bull=3D(char)0;=0A= + for ( curhost=3D1; curhost < nbhosts; curhost++ ) {=0A= + if ( host[curhost].priority < host[curhost-1].priority ) {=0A= + bull =3D (char)1;=0A= + memcpy ( (struct hostInfo *)buffer, &host[curhost-1], sizeof = (struct hostInfo));=0A= + memcpy ( &host[curhost-1], &host[curhost], sizeof = (struct hostInfo));=0A= + memcpy ( &host[curhost], (struct hostInfo *)buffer, sizeof = (struct hostInfo));=0A= + } } }=0A= +=0A= + // do hostlist, string result ...=0A= + for ( cur=3Dcurhost=3D0; curhost < nbhosts; curhost++ ) {=0A= +=0A= + hostlist =3D (char *) LDAP_REALLOC (hostlist, cur + = strlen(host[curhost].name) + STRLENOF(":65535 ") + 1);=0A= + if (hostlist =3D=3D NULL) {=0A= + rc =3D LDAP_NO_MEMORY;=0A= + LDAP_FREE (host);=0A= + goto out;=0A= + }=0A= + cur +=3D sprintf(&hostlist[cur], "%s:%hd ", host[curhost].name, = host[curhost].port);=0A= +=0A= + } hostlist[cur] =3D '\0'; /* remove last ' ' */=0A= + }=0A= +=0A= + LDAP_FREE (host);=0A= }=0A= if (hostlist =3D=3D NULL) {=0A= /* No LDAP servers found in DNS. */=0A=
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