]> git.sur5r.net Git - openldap/blobdiff - libraries/libldap/init.c
Add lber_log_print support to libldap.
[openldap] / libraries / libldap / init.c
index 3c8771f6f357a521467575efc4892006370922f8..3da4d7bf4b2554c943a6d8a0af7cc98236b53a97 100644 (file)
@@ -1,3 +1,7 @@
+/*
+ * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
+ * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+ */
 #include "portable.h"
 
 #include <stdio.h>
 
 #include <ac/socket.h>
 #include <ac/string.h>
+#include <ac/ctype.h>
 #include <ac/time.h>
 
 #include "ldap-int.h"
+#include "ldapconfig.h"
 
-struct ldapoptions openldap_ldap_global_options; 
+struct ldapoptions openldap_ldap_global_options = { LDAP_DEBUG_NONE };  
 
 #undef gopts
 #define gopts openldap_ldap_global_options
 
 int    openldap_ldap_initialized = 0;
 
+#define ATTR_NONE      0
+#define ATTR_BOOL      1
+#define ATTR_INT       2
+#define ATTR_KV                3
+#define ATTR_STRING    4
+
+struct ol_keyvalue {
+       char*           key;
+       int                     value;
+};
+
+static struct ol_keyvalue deref_kv[] = {
+       {"never", LDAP_DEREF_NEVER},
+       {"searching", LDAP_DEREF_SEARCHING},
+       {"finding", LDAP_DEREF_FINDING},
+       {"always", LDAP_DEREF_ALWAYS},
+       {NULL, 0}
+};
+
+static struct ol_attribute {
+       int                     type;
+       char*           name;
+       void*           data;
+       size_t          offset;
+} attrs[] = {
+       {ATTR_KV,               "DEREF",        deref_kv, /* or &deref_kv[0] */
+               offsetof(struct ldapoptions, ldo_deref)},
+       {ATTR_INT,              "SIZELIMIT",    NULL,
+               offsetof(struct ldapoptions, ldo_sizelimit)},
+       {ATTR_INT,              "TIMELIMIT",    NULL,
+               offsetof(struct ldapoptions, ldo_timelimit)},
+       {ATTR_STRING,   "BASE",                 NULL,
+               offsetof(struct ldapoptions, ldo_defbase)},
+       {ATTR_STRING,   "HOST",                 NULL,
+               offsetof(struct ldapoptions, ldo_defhost)},
+       {ATTR_INT,              "PORT",                 NULL,
+               offsetof(struct ldapoptions, ldo_defport)},
+       {ATTR_BOOL,             "REFERRALS",    (void *) LDAP_BOOL_REFERRALS, 0},
+       {ATTR_BOOL,             "RESTART",              (void *) LDAP_BOOL_RESTART, 0},
+       {ATTR_BOOL,             "DNS",                  (void *) LDAP_BOOL_DNS, 0},
+       {ATTR_NONE,             NULL,           NULL,   0}
+};
+
+#define MAX_LDAP_ATTR_LEN  sizeof("SIZELIMIT")
+#define MAX_LDAP_ENV_PREFIX_LEN 8
+
+static void openldap_ldap_init_w_conf(const char *file)
+{
+       char linebuf[128];
+       FILE *fp;
+       int i;
+       char *cmd, *opt;
+       char *start, *end;
+
+       if (file == NULL) {
+               /* no file name */
+               return;
+       }
+
+       fp = fopen(file, "r");
+       if(fp == NULL) {
+               /* could not open file */
+               return;
+       }
+
+       while((start = fgets(linebuf, sizeof(linebuf), fp)) != NULL) {
+               /* skip lines starting with '#' */
+               if(*start == '#') continue;
+
+               /* trim leading white space */
+               while((*start != '\0') && isspace(*start)) start++;
+
+               /* anything left? */
+               if(*start == '\0') continue;
+
+               /* trim trailing white space */
+               end = &start[strlen(start)-1];
+               while(isspace(*end)) end--;
+               end[1] = '\0';
+
+               /* anything left? */
+               if(*start == '\0') continue;
+               
+
+               /* parse the command */
+               cmd=start;
+               while((*start != '\0') && !isspace(*start)) {
+                       start++;
+               }
+               if(*start == '\0') {
+                       /* command has no argument */
+                       continue;
+               } 
+
+               *start++ = '\0';
+
+               /* we must have some non-whitespace to skip */
+               while(isspace(*start)) start++;
+               opt = start;
+
+               for(i=0; attrs[i].type != ATTR_NONE; i++) {
+                       void *p;
+
+                       if(strcasecmp(cmd, attrs[i].name) != 0) {
+                               continue;
+                       }
+
+                       p = &((char *) &gopts)[attrs[i].offset];
+
+                       switch(attrs[i].type) {
+                       case ATTR_BOOL:
+                               if((strcasecmp(opt, "on") == 0) 
+                                       || (strcasecmp(opt, "yes") == 0)
+                                       || (strcasecmp(opt, "true") == 0))
+                               {
+                                       LDAP_BOOL_SET(&gopts, (int) attrs[i].data);
+
+                               } else {
+                                       LDAP_BOOL_CLR(&gopts, (int) attrs[i].data);
+                               }
+
+                               break;
+
+                       case ATTR_INT:
+                               * (int*) p = atoi(opt);
+                               break;
+
+                       case ATTR_KV: {
+                                       struct ol_keyvalue *kv;
+
+                                       for(kv = (struct ol_keyvalue *) attrs[i].data;
+                                               kv->key != NULL;
+                                               kv++) {
+
+                                               if(strcasecmp(opt, kv->key) == 0) {
+                                                       * (int*) p = kv->value;
+                                                       break;
+                                               }
+                                       }
+                               } break;
+
+                       case ATTR_STRING:
+                               if (* (char**) p != NULL) free(* (char**) p);
+                               * (char**) p = strdup(opt);
+                               break;
+                       }
+               }
+       }
+}
+
+static void openldap_ldap_init_w_userconf(const char *file)
+{
+       char *home;
+       char *path;
+
+       if (file == NULL) {
+               /* no file name */
+               return;
+       }
+
+       home = getenv("HOME");
+
+       if (home != NULL) {
+               path = malloc(strlen(home) + strlen(file) + 3);
+       } else {
+               path = malloc(strlen(file) + 3);
+       }
+
+       if(home != NULL && path != NULL) {
+               /* we assume UNIX path syntax is used... */
+
+               /* try ~/file */
+               sprintf(path, "%s/%s", home, file);
+               openldap_ldap_init_w_conf(path);
+
+               /* try ~/.file */
+               sprintf(path, "%s/.%s", home, file);
+               openldap_ldap_init_w_conf(path);
+       }
+
+       if(path != NULL) {
+               free(path);
+       }
+
+       /* try file */
+       openldap_ldap_init_w_conf(file);
+}
+
+static void openldap_ldap_init_w_env(const char *prefix)
+{
+       char buf[MAX_LDAP_ATTR_LEN+MAX_LDAP_ENV_PREFIX_LEN];
+       int len;
+       int i;
+       void *p;
+       char *value;
+
+       if (prefix == NULL) {
+               prefix = DEFAULT_LDAP_ENV_PREFIX;
+       }
+
+       strncpy(buf, prefix, MAX_LDAP_ENV_PREFIX_LEN);
+       buf[MAX_LDAP_ENV_PREFIX_LEN] = '\0';
+       len = strlen(buf);
+
+       for(i=0; attrs[i].type != ATTR_NONE; i++) {
+               strcpy(&buf[len], attrs[i].name);
+               value = getenv(buf);
+
+               if(value == NULL) {
+                       continue;
+               }
+
+               p = &((char *) &gopts)[attrs[i].offset];
+
+               switch(attrs[i].type) {
+               case ATTR_BOOL:
+                       if((strcasecmp(value, "on") == 0) 
+                               || (strcasecmp(value, "yes") == 0)
+                               || (strcasecmp(value, "true") == 0))
+                       {
+                               LDAP_BOOL_SET(&gopts, (int) attrs[i].data);
+
+                       } else {
+                               LDAP_BOOL_CLR(&gopts, (int) attrs[i].data);
+                       }
+                       break;
+
+               case ATTR_INT:
+                       * (int*) p = atoi(value);
+                       break;
+
+               case ATTR_KV: {
+                               struct ol_keyvalue *kv;
+
+                               for(kv = (struct ol_keyvalue *) attrs[i].data;
+                                       kv->key != NULL;
+                                       kv++) {
+
+                                       if(strcasecmp(value, kv->key) == 0) {
+                                               * (int*) p = kv->value;
+                                               break;
+                                       }
+                               }
+                       } break;
+
+               case ATTR_STRING:
+                       if (* (char**) p != NULL) free(* (char**) p);
+                       if (*value == '\0') {
+                               * (char**) p = NULL;
+                       } else {
+                               * (char**) p = strdup(value);
+                       }
+                       break;
+               }
+       }
+}
+
 void openldap_ldap_initialize( void )
 {
        if ( openldap_ldap_initialized ) {
                return;
        }
 
+       ldap_pvt_init_utils();
+
        gopts.ldo_version =     LDAP_VERSION2;
        gopts.ldo_deref =       LDAP_DEREF_NEVER;
        gopts.ldo_timelimit = LDAP_NO_LIMIT;
        gopts.ldo_sizelimit = LDAP_NO_LIMIT;
 
+       gopts.ldo_debug = 0;
+
        gopts.ldo_defhost = strdup("localhost");
        gopts.ldo_defport = LDAP_PORT;
 
+       gopts.ldo_refhoplimit = LDAP_DEFAULT_REFHOPLIMIT;
+
        LDAP_BOOL_ZERO(&gopts);
 
 #if defined( LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS ) || \
@@ -38,4 +307,29 @@ void openldap_ldap_initialize( void )
 #endif
 
        openldap_ldap_initialized = 1;
+
+       if( getenv("LDAPNOINIT") != NULL ) {
+               return;
+       }
+
+       openldap_ldap_init_w_conf(DEFAULT_LDAP_CONF_FILE);
+       openldap_ldap_init_w_userconf(DEFAULT_LDAP_USERRC_FILE);
+
+       {
+               char *altfile = getenv("LDAPCONF");
+
+               if( altfile != NULL ) {
+                       openldap_ldap_init_w_conf( altfile );
+               }
+       }
+
+       {
+               char *altfile = getenv("LDAPRC");
+
+               if( altfile != NULL ) {
+                       openldap_ldap_init_w_userconf( altfile );
+               }
+       }
+
+       openldap_ldap_init_w_env(NULL);
 }