From b89c4539b9865414a51ba4c504cb535a7279df2e Mon Sep 17 00:00:00 2001 From: Howard Chu Date: Thu, 6 Jun 2002 10:33:18 +0000 Subject: [PATCH] Fix Listeners: handles multiple addresses for a given hostname, copies sockaddr into Listener structure. --- servers/slapd/daemon.c | 108 +++++++++++++++++++++++------------------ 1 file changed, 60 insertions(+), 48 deletions(-) diff --git a/servers/slapd/daemon.c b/servers/slapd/daemon.c index 3dc4cdbcf1..137734c104 100644 --- a/servers/slapd/daemon.c +++ b/servers/slapd/daemon.c @@ -490,13 +490,15 @@ static int slap_get_listener_addresses( freeaddrinfo(res); #else + int i, n = 1; struct in_addr in; + struct hostent *he = NULL; if ( host == NULL ) { in.s_addr = htonl(INADDR_ANY); } else if ( !inet_aton( host, &in ) ) { - struct hostent *he = gethostbyname( host ); + he = gethostbyname( host ); if( he == NULL ) { #ifdef NEW_LOGGING LDAP_LOG(( "connection", LDAP_LEVEL_INFO, @@ -508,25 +510,30 @@ static int slap_get_listener_addresses( #endif return -1; } - AC_MEMCPY( &in, he->h_addr, sizeof( in ) ); + for (n = 0; he->h_addr_list[n]; n++) ; } - *sal = ch_malloc(2 * sizeof(void *)); + *sal = ch_malloc((n+1) * sizeof(void *)); if (*sal == NULL) { return -1; } sap = *sal; - *sap = ch_malloc(sizeof(struct sockaddr_in)); - if (*sap == NULL) { - goto errexit; + for ( i = 0; isa_family = AF_INET; + ((struct sockaddr_in *)sap[i])->sin_port = htons(port); + if (he) { + AC_MEMCPY( &((struct sockaddr_in *)sap[i])->sin_addr, he->h_addr_list[i], sizeof(struct in_addr) ); + } else { + AC_MEMCPY( &((struct sockaddr_in *)sap[i])->sin_addr, &in, sizeof(struct in_addr) ); + } } - sap[1] = NULL; - - (void)memset( (void *)*sap, '\0', sizeof(struct sockaddr_in) ); - (*sap)->sa_family = AF_INET; - ((struct sockaddr_in *)*sap)->sin_port = htons(port); - ((struct sockaddr_in *)*sap)->sin_addr = in; + sap[i] = NULL; #endif } @@ -537,10 +544,13 @@ errexit: return -1; } -static Listener * slap_open_listener( - const char* url ) +static int slap_open_listener( + const char* url, + int *listeners, + int *cur + ) { - int tmp, rc; + int num, tmp, rc; Listener l; Listener *li; LDAPURLDesc *lud; @@ -565,7 +575,7 @@ static Listener * slap_open_listener( "daemon: listen URL \"%s\" parse error=%d\n", url, rc, 0 ); #endif - return NULL; + return rc; } #ifndef HAVE_TLS @@ -580,7 +590,7 @@ static Listener * slap_open_listener( url, 0, 0 ); #endif ldap_free_urldesc( lud ); - return NULL; + return -1; } if(! lud->lud_port ) { @@ -620,7 +630,7 @@ static Listener * slap_open_listener( url, 0, 0); #endif ldap_free_urldesc( lud ); - return NULL; + return -1; #endif } else { #ifdef LDAP_CONNECTIONLESS @@ -637,7 +647,16 @@ static Listener * slap_open_listener( ldap_free_urldesc( lud ); if ( err ) { - return NULL; + return -1; + } + + /* If we got more than one address returned, we need to make space + * for it in the slap_listeners array. + */ + for ( num=0; sal[num]; num++ ); + if ( num > 1 ) { + *listeners += num-1; + slap_listeners = ch_realloc( slap_listeners, (*listeners + 1) * sizeof(Listener *) ); } psal = sal; @@ -732,9 +751,8 @@ static Listener * slap_open_listener( #endif } - if (!bind(l.sl_sd, *sal, addrlen)) - break; - err = sock_errno(); + if (bind(l.sl_sd, *sal, addrlen)) { + err = sock_errno(); #ifdef NEW_LOGGING LDAP_LOG(( "connection", LDAP_LEVEL_INFO, "slap_open_listener: bind(%ld) failed errno=%d (%s)\n", @@ -743,21 +761,10 @@ static Listener * slap_open_listener( Debug( LDAP_DEBUG_ANY, "daemon: bind(%ld) failed errno=%d (%s)\n", (long) l.sl_sd, err, sock_errstr(err) ); #endif - tcp_close( l.sl_sd ); - sal++; - } /* while ( *sal != NULL ) */ - - if ( *sal == NULL ) { -#ifdef NEW_LOGGING - LDAP_LOG(( "connection", LDAP_LEVEL_INFO, - "slap_open_listener: bind(%ld) failed.\n", (long)l.sl_sd )); -#else - Debug( LDAP_DEBUG_ANY, "daemon: bind(%ld) failed\n", - (long) l.sl_sd, 0, 0 ); -#endif - slap_free_listener_addresses(psal); - return NULL; - } + tcp_close( l.sl_sd ); + sal++; + continue; + } switch ( (*sal)->sa_family ) { #ifdef LDAP_PF_LOCAL @@ -775,7 +782,7 @@ static Listener * slap_open_listener( #endif tcp_close( l.sl_sd ); slap_free_listener_addresses(psal); - return NULL; + return -1; } l.sl_name = ch_malloc( strlen(addr) + sizeof("PATH=") ); sprintf( l.sl_name, "PATH=%s", addr ); @@ -821,20 +828,27 @@ static Listener * slap_open_listener( break; } - slap_free_listener_addresses(psal); - + AC_MEMCPY(&l.sl_sa, *sal, addrlen); l.sl_url = ch_strdup( url ); li = ch_malloc( sizeof( Listener ) ); *li = l; + slap_listeners[*cur] = li; + (*cur)++; + sal++; + + } /* while ( *sal != NULL ) */ + + slap_free_listener_addresses(psal); + #ifdef NEW_LOGGING LDAP_LOG(( "connection", LDAP_LEVEL_RESULTS, - "slap_open_listener: daemon initialzed %s\n", l.sl_url )); + "slap_open_listener: daemon initialized %s\n", l.sl_url )); #else Debug( LDAP_DEBUG_TRACE, "daemon: initialized %s\n", l.sl_url, 0, 0 ); #endif - return li; + return 0; } static int sockinit(void); @@ -842,7 +856,7 @@ static int sockdestroy(void); int slapd_daemon_init( const char *urls ) { - int i, rc; + int i, j, n, rc; char **u; #ifdef NEW_LOGGING @@ -938,15 +952,13 @@ int slapd_daemon_init( const char *urls ) #endif slap_listeners = ch_malloc( (i+1)*sizeof(Listener *) ); - for(i = 0; u[i] != NULL; i++ ) { - slap_listeners[i] = slap_open_listener( u[i] ); - - if( slap_listeners[i] == NULL ) { + for(n = 0, j = 0; u[n]; n++ ) { + if ( slap_open_listener( u[n], &i, &j ) ) { charray_free( u ); return -1; } } - slap_listeners[i] = NULL; + slap_listeners[j] = NULL; #ifdef NEW_LOGGING LDAP_LOG(( "connection", LDAP_LEVEL_DETAIL1, -- 2.39.5