]> git.sur5r.net Git - openldap/blobdiff - libraries/libldap/init.c
Update copyright statements
[openldap] / libraries / libldap / init.c
index 816cc288814fb4b03d8f3c7ebf5dce5f4807063c..c167a00592042adb61f9af8113fc185d0ae6212a 100644 (file)
@@ -1,6 +1,6 @@
 /* $OpenLDAP$ */
 /*
- * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
+ * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
  */
 #include "portable.h"
 #include <ac/ctype.h>
 #include <ac/time.h>
 
+#include <limits.h>
+
 #include "ldap-int.h"
 #include "ldap_defaults.h"
 
 struct ldapoptions ldap_int_global_options =
        { LDAP_UNINITIALIZED, LDAP_DEBUG_NONE };  
 
-#undef gopts
-#define gopts ldap_int_global_options
-
 #define ATTR_NONE      0
 #define ATTR_BOOL      1
 #define ATTR_INT       2
 #define ATTR_KV                3
 #define ATTR_STRING    4
-#define ATTR_TLS       5
-#define ATTR_URIS      6
+#define ATTR_OPTION    5
+
+#define ATTR_SASL      6
+#define ATTR_TLS       7
 
 struct ol_keyvalue {
        const char *            key;
@@ -60,27 +61,35 @@ static const struct ol_attribute {
                offsetof(struct ldapoptions, ldo_defbinddn)},
        {0, ATTR_STRING,        "BASE",                 NULL,
                offsetof(struct ldapoptions, ldo_defbase)},
-       {0, ATTR_INT,           "PORT",                 NULL,
+       {0, ATTR_INT,           "PORT",                 NULL,           /* deprecated */
                offsetof(struct ldapoptions, ldo_defport)},
-       /* **** keep this around for backward compatibility */
-       {0, ATTR_URIS,          "HOST",                 NULL,   1},
-       /* **** */
-       {0, ATTR_URIS,          "URI",                  NULL,   0},
+       {0, ATTR_OPTION,        "HOST",                 NULL,   LDAP_OPT_HOST_NAME}, /* deprecated */
+       {0, ATTR_OPTION,        "URI",                  NULL,   LDAP_OPT_URI}, /* replaces HOST/PORT */
        {0, ATTR_BOOL,          "REFERRALS",    NULL,   LDAP_BOOL_REFERRALS},
        {0, ATTR_BOOL,          "RESTART",              NULL,   LDAP_BOOL_RESTART},
-       {0, ATTR_BOOL,          "DNS",                  NULL,   LDAP_BOOL_DNS},
+
+#ifdef HAVE_CYRUS_SASL
+       {1, ATTR_STRING,        "SASL_MECH",            NULL,
+               offsetof(struct ldapoptions, ldo_def_sasl_mech)},
+       {1, ATTR_STRING,        "SASL_REALM",           NULL,
+               offsetof(struct ldapoptions, ldo_def_sasl_realm)},
+       {1, ATTR_STRING,        "SASL_AUTHCID",         NULL,
+               offsetof(struct ldapoptions, ldo_def_sasl_authcid)},
+       {1, ATTR_STRING,        "SASL_AUTHZID",         NULL,
+               offsetof(struct ldapoptions, ldo_def_sasl_authzid)},
+       {0, ATTR_SASL,          "SASL_SECPROPS",        NULL,   LDAP_OPT_X_SASL_SECPROPS},
+#endif
+
+#ifdef HAVE_TLS
        {0, ATTR_TLS,           "TLS",                  NULL,   LDAP_OPT_X_TLS},
-       {0, ATTR_TLS,           "TLS_CERT",             NULL,   LDAP_OPT_X_TLS_CERTFILE},
-       {0, ATTR_TLS,           "TLS_KEY",              NULL,   LDAP_OPT_X_TLS_KEYFILE},
+       {1, ATTR_TLS,           "TLS_CERT",             NULL,   LDAP_OPT_X_TLS_CERTFILE},
+       {1, ATTR_TLS,           "TLS_KEY",              NULL,   LDAP_OPT_X_TLS_KEYFILE},
        {0, ATTR_TLS,           "TLS_CACERT",   NULL,   LDAP_OPT_X_TLS_CACERTFILE},
        {0, ATTR_TLS,           "TLS_CACERTDIR",NULL,   LDAP_OPT_X_TLS_CACERTDIR},
        {0, ATTR_TLS,           "TLS_REQCERT",  NULL,   LDAP_OPT_X_TLS_REQUIRE_CERT},
-#ifdef HAVE_CYRUS_SASL
-       {0, ATTR_INT,           "SASL_MINSSF",  NULL,
-               offsetof(struct ldapoptions, ldo_sasl_minssf)},
-       {0, ATTR_INT,           "SASL_MAXSSF",  NULL,
-               offsetof(struct ldapoptions, ldo_sasl_maxssf)},
+       {0, ATTR_TLS,           "TLS_RANDFILE", NULL,   LDAP_OPT_X_TLS_RANDOM_FILE},
 #endif
+
        {0, ATTR_NONE,          NULL,           NULL,   0}
 };
 
@@ -95,18 +104,27 @@ static void openldap_ldap_init_w_conf(
        int i;
        char *cmd, *opt;
        char *start, *end;
+       struct ldapoptions *gopts;
+
+       if ((gopts = LDAP_INT_GLOBAL_OPT()) == NULL) {
+               return;                 /* Could not allocate mem for global options */
+       }
 
        if (file == NULL) {
                /* no file name */
                return;
        }
 
+       Debug(LDAP_DEBUG_TRACE, "ldap_init: trying %s\n", file, 0, 0);
+
        fp = fopen(file, "r");
        if(fp == NULL) {
                /* could not open file */
                return;
        }
 
+       Debug(LDAP_DEBUG_TRACE, "ldap_init: using %s\n", file, 0, 0);
+
        while((start = fgets(linebuf, sizeof(linebuf), fp)) != NULL) {
                /* skip lines starting with '#' */
                if(*start == '#') continue;
@@ -160,16 +178,16 @@ static void openldap_ldap_init_w_conf(
                                        || (strcasecmp(opt, "yes") == 0)
                                        || (strcasecmp(opt, "true") == 0))
                                {
-                                       LDAP_BOOL_SET(&gopts, attrs[i].offset);
+                                       LDAP_BOOL_SET(gopts, attrs[i].offset);
 
                                } else {
-                                       LDAP_BOOL_CLR(&gopts, attrs[i].offset);
+                                       LDAP_BOOL_CLR(gopts, attrs[i].offset);
                                }
 
                                break;
 
                        case ATTR_INT:
-                               p = &((char *) &gopts)[attrs[i].offset];
+                               p = &((char *) gopts)[attrs[i].offset];
                                * (int*) p = atoi(opt);
                                break;
 
@@ -181,7 +199,7 @@ static void openldap_ldap_init_w_conf(
                                                kv++) {
 
                                                if(strcasecmp(opt, kv->key) == 0) {
-                                                       p = &((char *) &gopts)[attrs[i].offset];
+                                                       p = &((char *) gopts)[attrs[i].offset];
                                                        * (int*) p = kv->value;
                                                        break;
                                                }
@@ -189,23 +207,26 @@ static void openldap_ldap_init_w_conf(
                                } break;
 
                        case ATTR_STRING:
-                               p = &((char *) &gopts)[attrs[i].offset];
+                               p = &((char *) gopts)[attrs[i].offset];
                                if (* (char**) p != NULL) LDAP_FREE(* (char**) p);
                                * (char**) p = LDAP_STRDUP(opt);
                                break;
+                       case ATTR_OPTION:
+                               ldap_set_option( NULL, attrs[i].offset, opt );
+                               break;
+                       case ATTR_SASL:
+#ifdef HAVE_CYRUS_SASL
+                               ldap_int_sasl_config( gopts, attrs[i].offset, opt );
+#endif
+                               break;
                        case ATTR_TLS:
 #ifdef HAVE_TLS
-                               ldap_pvt_tls_config( &gopts, attrs[i].offset, opt );
+                               ldap_int_tls_config( NULL, attrs[i].offset, opt );
 #endif
                                break;
-                       case ATTR_URIS:
-                               if (attrs[i].offset == 0) {
-                                       ldap_set_option( NULL, LDAP_OPT_URI, opt );
-                               } else {
-                                       ldap_set_option( NULL, LDAP_OPT_HOST_NAME, opt );
-                               }
-                               break;
                        }
+
+                       break;
                }
        }
 
@@ -220,7 +241,7 @@ static void openldap_ldap_init_w_sysconf(const char *file)
 static void openldap_ldap_init_w_userconf(const char *file)
 {
        char *home;
-       char *path;
+       char *path = NULL;
 
        if (file == NULL) {
                /* no file name */
@@ -230,20 +251,23 @@ static void openldap_ldap_init_w_userconf(const char *file)
        home = getenv("HOME");
 
        if (home != NULL) {
+               Debug(LDAP_DEBUG_TRACE, "ldap_init: HOME env is %s\n",
+                     home, 0, 0);
                path = LDAP_MALLOC(strlen(home) + strlen(file) + 3);
        } else {
-               path = LDAP_MALLOC(strlen(file) + 3);
+               Debug(LDAP_DEBUG_TRACE, "ldap_init: HOME env is NULL\n",
+                     0, 0, 0);
        }
 
        if(home != NULL && path != NULL) {
                /* we assume UNIX path syntax is used... */
 
                /* try ~/file */
-               sprintf(path, "%s/%s", home, file);
+               sprintf(path, "%s%s%s", home, LDAP_DIRSEP, file);
                openldap_ldap_init_w_conf(path, 1);
 
                /* try ~/.file */
-               sprintf(path, "%s/.%s", home, file);
+               sprintf(path, "%s%s.%s", home, LDAP_DIRSEP, file);
                openldap_ldap_init_w_conf(path, 1);
        }
 
@@ -255,7 +279,9 @@ static void openldap_ldap_init_w_userconf(const char *file)
        openldap_ldap_init_w_conf(file, 1);
 }
 
-static void openldap_ldap_init_w_env(const char *prefix)
+static void openldap_ldap_init_w_env(
+               struct ldapoptions *gopts,
+               const char *prefix)
 {
        char buf[MAX_LDAP_ATTR_LEN+MAX_LDAP_ENV_PREFIX_LEN];
        int len;
@@ -285,15 +311,15 @@ static void openldap_ldap_init_w_env(const char *prefix)
                                || (strcasecmp(value, "yes") == 0)
                                || (strcasecmp(value, "true") == 0))
                        {
-                               LDAP_BOOL_SET(&gopts, attrs[i].offset);
+                               LDAP_BOOL_SET(gopts, attrs[i].offset);
 
                        } else {
-                               LDAP_BOOL_CLR(&gopts, attrs[i].offset);
+                               LDAP_BOOL_CLR(gopts, attrs[i].offset);
                        }
                        break;
 
                case ATTR_INT:
-                       p = &((char *) &gopts)[attrs[i].offset];
+                       p = &((char *) gopts)[attrs[i].offset];
                        * (int*) p = atoi(value);
                        break;
 
@@ -305,7 +331,7 @@ static void openldap_ldap_init_w_env(const char *prefix)
                                        kv++) {
 
                                        if(strcasecmp(value, kv->key) == 0) {
-                                               p = &((char *) &gopts)[attrs[i].offset];
+                                               p = &((char *) gopts)[attrs[i].offset];
                                                * (int*) p = kv->value;
                                                break;
                                        }
@@ -313,7 +339,7 @@ static void openldap_ldap_init_w_env(const char *prefix)
                        } break;
 
                case ATTR_STRING:
-                       p = &((char *) &gopts)[attrs[i].offset];
+                       p = &((char *) gopts)[attrs[i].offset];
                        if (* (char**) p != NULL) LDAP_FREE(* (char**) p);
                        if (*value == '\0') {
                                * (char**) p = NULL;
@@ -321,77 +347,170 @@ static void openldap_ldap_init_w_env(const char *prefix)
                                * (char**) p = LDAP_STRDUP(value);
                        }
                        break;
+               case ATTR_OPTION:
+                       ldap_set_option( NULL, attrs[i].offset, value );
+                       break;
+               case ATTR_SASL:
+#ifdef HAVE_CYRUS_SASL
+                       ldap_int_sasl_config( gopts, attrs[i].offset, value );
+#endif                         
+                       break;
                case ATTR_TLS:
 #ifdef HAVE_TLS
-                       ldap_pvt_tls_config( &gopts, attrs[i].offset, value );
+                       ldap_int_tls_config( NULL, attrs[i].offset, value );
 #endif                         
                        break;
-               case ATTR_URIS:
-                       if (attrs[i].offset == 0) {
-                               ldap_set_option( NULL, LDAP_OPT_URI, value );
-                       } else {
-                               ldap_set_option( NULL, LDAP_OPT_HOST_NAME, value );
-                       }
-                       break;
                }
        }
 }
 
-void ldap_int_initialize( void )
+static void
+ldap_int_destroy_global_options(void)
 {
-       if ( gopts.ldo_valid == LDAP_INITIALIZED ) {
-               return;
+       struct ldapoptions *gopts = LDAP_INT_GLOBAL_OPT();
+
+       if ( gopts->ldo_defludp ) {
+               ldap_free_urllist( gopts->ldo_defludp );
+               gopts->ldo_defludp = NULL;
        }
+#if defined(HAVE_WINSOCK) || defined(HAVE_WINSOCK2)
+       WSACleanup( );
+#endif
+}
 
-       ldap_int_utils_init();
+/* 
+ * Initialize the global options structure with default values.
+ */
+void ldap_int_initialize_global_options( struct ldapoptions *gopts, int *dbglvl )
+{
+       if (dbglvl)
+           gopts->ldo_debug = *dbglvl;
+       else
+               gopts->ldo_debug = 0;
 
-#ifdef HAVE_TLS
-       ldap_pvt_tls_init();
-#endif
+       gopts->ldo_version   = LDAP_VERSION2;
+       gopts->ldo_deref     = LDAP_DEREF_NEVER;
+       gopts->ldo_timelimit = LDAP_NO_LIMIT;
+       gopts->ldo_sizelimit = LDAP_NO_LIMIT;
 
-#ifdef HAVE_CYRUS_SASL
-       ldap_pvt_sasl_init();
-#endif
+       gopts->ldo_tm_api = (struct timeval *)NULL;
+       gopts->ldo_tm_net = (struct timeval *)NULL;
 
-       if ( ldap_int_tblsize == 0 )
-               ldap_int_ip_init();
+       /* ldo_defludp wll be freed by the atexit() handler
+        */
+       ldap_url_parselist(&gopts->ldo_defludp, "ldap://localhost/");
+       gopts->ldo_defport = LDAP_PORT;
+       atexit(ldap_int_destroy_global_options);
 
-       gopts.ldo_debug = 0;
+       gopts->ldo_refhoplimit = LDAP_DEFAULT_REFHOPLIMIT;
+       gopts->ldo_rebind_proc = NULL;
+       gopts->ldo_rebind_params = NULL;
 
-       gopts.ldo_version =     LDAP_VERSION2;
-       gopts.ldo_deref =       LDAP_DEREF_NEVER;
-       gopts.ldo_timelimit = LDAP_NO_LIMIT;
-       gopts.ldo_sizelimit = LDAP_NO_LIMIT;
+       LDAP_BOOL_ZERO(gopts);
 
-       gopts.ldo_tm_api = (struct timeval *)NULL;
-       gopts.ldo_tm_net = (struct timeval *)NULL;
+       LDAP_BOOL_SET(gopts, LDAP_BOOL_REFERRALS);
 
-       /* ldo_defludp is leaked, we should have an at_exit() handler
-        * to free this and whatever else needs to cleaned up. 
-        */
-       ldap_url_parselist(&gopts.ldo_defludp, "ldap://localhost/");
-       gopts.ldo_defport = LDAP_PORT;
+#ifdef LDAP_CONNECTIONLESS
+       gopts->ldo_peer = NULL;
+       gopts->ldo_cldapdn = NULL;
+       gopts->ldo_is_udp = 0;
+#endif
 
-       gopts.ldo_refhoplimit = LDAP_DEFAULT_REFHOPLIMIT;
+#ifdef HAVE_CYRUS_SASL
+       gopts->ldo_def_sasl_mech = NULL;
+       gopts->ldo_def_sasl_realm = NULL;
+       gopts->ldo_def_sasl_authcid = NULL;
+       gopts->ldo_def_sasl_authzid = NULL;
+
+       memset( &gopts->ldo_sasl_secprops,
+               '\0', sizeof(gopts->ldo_sasl_secprops) );
+
+       gopts->ldo_sasl_secprops.max_ssf = INT_MAX;
+       gopts->ldo_sasl_secprops.maxbufsize = SASL_MAX_BUFF_SIZE;
+       gopts->ldo_sasl_secprops.security_flags =
+               SASL_SEC_NOPLAINTEXT | SASL_SEC_NOANONYMOUS;
+#endif
 
-       LDAP_BOOL_ZERO(&gopts);
+       gopts->ldo_valid = LDAP_INITIALIZED;
+       return;
+}
 
-       LDAP_BOOL_SET(&gopts, LDAP_BOOL_REFERRALS);
+#if defined(LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND) \
+       || defined(HAVE_TLS) || defined(HAVE_CYRUS_SASL)
+char * ldap_int_hostname = NULL;
+#endif
 
-#ifdef HAVE_TLS
-       gopts.ldo_tls_ctx = NULL;
+void ldap_int_initialize( struct ldapoptions *gopts, int *dbglvl )
+{
+       if ( gopts->ldo_valid == LDAP_INITIALIZED ) {
+               return;
+       }
+
+       ldap_int_error_init();
+
+#if defined(LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND) \
+       || defined(HAVE_TLS) || defined(HAVE_CYRUS_SASL)
+       ldap_int_hostname = ldap_pvt_get_fqdn( ldap_int_hostname );
 #endif
-#ifdef HAVE_CYRUS_SASL
-       gopts.ldo_sasl_minssf = 0;
-       gopts.ldo_sasl_maxssf = INT_MAX;
+
+#ifdef HAVE_WINSOCK2
+{      WORD wVersionRequested;
+       WSADATA wsaData;
+       wVersionRequested = MAKEWORD( 2, 0 );
+       if ( WSAStartup( wVersionRequested, &wsaData ) != 0 ) {
+               /* Tell the user that we couldn't find a usable */
+               /* WinSock DLL.                                  */
+               return;
+       }
+       /* Confirm that the WinSock DLL supports 2.0.*/
+       /* Note that if the DLL supports versions greater    */
+       /* than 2.0 in addition to 2.0, it will still return */
+       /* 2.0 in wVersion since that is the version we      */
+       /* requested.                                        */
+       if ( LOBYTE( wsaData.wVersion ) != 2 ||
+               HIBYTE( wsaData.wVersion ) != 0 )
+       {
+           /* Tell the user that we couldn't find a usable */
+           /* WinSock DLL.                                  */
+           WSACleanup( );
+           return; 
+       }
+}      /* The WinSock DLL is acceptable. Proceed. */
+#elif HAVE_WINSOCK
+{      WSADATA wsaData;
+       if ( WSAStartup( 0x0101, &wsaData ) != 0 ) {
+           return;
+       }
+}
 #endif
+       ldap_int_utils_init();
 
-       gopts.ldo_valid = LDAP_INITIALIZED;
+       if ( ldap_int_tblsize == 0 )
+               ldap_int_ip_init();
+
+       ldap_int_initialize_global_options(gopts, NULL);
 
        if( getenv("LDAPNOINIT") != NULL ) {
                return;
        }
 
+#ifdef HAVE_CYRUS_SASL
+       {
+               /* set authentication identity to current user name */
+               char *user = getenv("USER");
+
+               if( user == NULL ) user = getenv("USERNAME");
+               if( user == NULL ) user = getenv("LOGNAME");
+
+               if( user != NULL ) {
+                       gopts->ldo_def_sasl_authcid = user;
+               }
+    }
+#endif
+
        openldap_ldap_init_w_sysconf(LDAP_CONF_FILE);
        openldap_ldap_init_w_userconf(LDAP_USERRC_FILE);
 
@@ -399,17 +518,29 @@ void ldap_int_initialize( void )
                char *altfile = getenv(LDAP_ENV_PREFIX "CONF");
 
                if( altfile != NULL ) {
+                       Debug(LDAP_DEBUG_TRACE, "ldap_init: %s env is %s\n",
+                             LDAP_ENV_PREFIX "CONF", altfile, 0);
                        openldap_ldap_init_w_sysconf( altfile );
                }
+               else
+                       Debug(LDAP_DEBUG_TRACE, "ldap_init: %s env is NULL\n",
+                             LDAP_ENV_PREFIX "CONF", 0, 0);
        }
 
        {
                char *altfile = getenv(LDAP_ENV_PREFIX "RC");
 
                if( altfile != NULL ) {
+                       Debug(LDAP_DEBUG_TRACE, "ldap_init: %s env is %s\n",
+                             LDAP_ENV_PREFIX "RC", altfile, 0);
                        openldap_ldap_init_w_userconf( altfile );
                }
+               else
+                       Debug(LDAP_DEBUG_TRACE, "ldap_init: %s env is NULL\n",
+                             LDAP_ENV_PREFIX "RC", 0, 0);
        }
 
-       openldap_ldap_init_w_env(NULL);
+       openldap_ldap_init_w_env(gopts, NULL);
+
+       ldap_int_sasl_init();
 }