jk_urienv.c

Tomcat 4.1与WebServer集成组件的源代码包.

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 *                 The Apache Software License,  Version 1.1                 *
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 *    must include the following acknowlegement:                             *
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/**
 * Location properties. UriEnv can be:
 *                                                                 
 * Exact Context -> /exact/uri=worker e.g. /examples/do[STAR]=ajp12
 * Context Based -> /context/[STAR]=worker e.g. /examples/[STAR]=ajp12
 * Context and suffix ->/context/[STAR].suffix=worker e.g. /examples/[STAR].jsp=ajp12
 *                                                                         
 */

#include "jk_pool.h"
#include "jk_env.h"
#include "jk_uriMap.h"
#include "jk_registry.h"

#ifdef HAS_PCRE
#include "pcre.h"
#include "pcreposix.h"
#endif
/** Parse the name:
       VHOST/PATH

    If VHOST is empty, we map to the default host.

    The PATH will be further split in CONTEXT/LOCALPATH during init ( after
    we have all uris, including the context paths ).
*/
static int jk2_uriEnv_parseName( jk_env_t *env, jk_uriEnv_t *uriEnv,
                                 char *name)
{
    char *uri = NULL;
    char *colon;
    char host[1024];
    int pcre = 0;

    if (*name == '$') {
        ++name;
        uriEnv->uri = uriEnv->pool->pstrdup(env, uriEnv->pool, name);
        uriEnv->match_type = MATCH_TYPE_REGEXP;
        env->l->jkLog(env, env->l, JK_LOG_INFO,
                    "uriEnv.parseName() parsing %s regexp\n",
                    name);
        return JK_OK;
    }

    strcpy(host, name);
    colon = strchr(host, ':');
    uri = strchr(host, '$');
    if (uri)
        pcre = 1;
    if (colon != NULL) {
        ++colon;
        if (!uri)
            uri = strchr(colon, '/');
    }
    else if (!uri)
        uri = strchr(host, '/');

    if (!uri) {
        /* That's a virtual host definition ( no actual mapping, just global
         * settings like aliases, etc
         */
        
        uriEnv->match_type = MATCH_TYPE_HOST;
        if (colon)
            uriEnv->port = atoi(colon);
        uriEnv->virtual = uriEnv->pool->pstrdup(env, uriEnv->pool, host);
        return JK_OK;
    }

    *uri = '\0';
    if (colon)
        uriEnv->port = atoi(colon);
   
    /* If it doesn't start with /, it must have a vhost */
    if (strlen(host) && uri != host) {
        uriEnv->virtual = uriEnv->pool->calloc( env, uriEnv->pool, strlen(host) + 1 );
        strncpy(uriEnv->virtual, name, strlen(host));
    }
    else
        uriEnv->virtual = "*";

    *uri = '/';
    if (pcre) {
        ++uri;
        uriEnv->match_type = MATCH_TYPE_REGEXP;
#ifdef HAS_PCRE
        uriEnv->uri = uriEnv->pool->pstrdup(env, uriEnv->pool, uri);
        env->l->jkLog(env, env->l, JK_LOG_DEBUG,
                    "uriEnv.parseName() parsing regexp %s\n",
                    uri);
        {
            regex_t *preg = (regex_t *)uriEnv->pool->calloc( env, uriEnv->pool, sizeof(regex_t));
            if (regcomp(preg, uriEnv->uri, REG_EXTENDED)) {
                env->l->jkLog(env, env->l, JK_LOG_DEBUG,
                              "uriEnv.parseName() error compiling regexp %s\n",
                              uri);
	            return JK_ERR;
            }
            uriEnv->regexp = preg;
        }
#else
        env->l->jkLog(env, env->l, JK_LOG_INFO,
                    "uriEnv.parseName() parsing regexp %s not supported\n",
                    uri);
#endif
    }
    else
        uriEnv->uri = uriEnv->pool->pstrdup(env, uriEnv->pool, uri);

    return JK_OK;
}


static void * JK_METHOD jk2_uriEnv_getAttribute(jk_env_t *env, jk_bean_t *bean,
                                     char *name )
{
    jk_uriEnv_t *uriEnv=(jk_uriEnv_t *)bean->object;
    
    if( strcmp( name, "host" )==0 ) {
        return  (uriEnv->virtual==NULL) ? "*" : uriEnv->virtual;
    } else if( strcmp( name, "uri" )==0 ) {
        return uriEnv->uri;
    } else if( strcmp( name, "group" )==0 ) {
        return uriEnv->workerName;
    } else if( strcmp( name, "context" )==0 ) {
        return uriEnv->contextPath;
    }
    return NULL;
}

static int JK_METHOD jk2_uriEnv_setAttribute(jk_env_t *env,
                                  jk_bean_t *mbean,
                                  char *nameParam,
                                  void *valueP)
{
    jk_uriEnv_t *uriEnv=mbean->object;
    char *valueParam=valueP;
    
    char *name = uriEnv->pool->pstrdup(env,uriEnv->pool, nameParam);
    char *val = uriEnv->pool->pstrdup(env,uriEnv->pool, valueParam);

    uriEnv->properties->add(env ,uriEnv->properties,
                            name, val);

    if (strcmp("group", name) == 0) {
        uriEnv->workerName = val;
        return JK_OK;
    } 
    else if (strcmp("context", name) == 0) {        
        uriEnv->contextPath=val;
        uriEnv->ctxt_len = strlen(val);

        if (strcmp(val, uriEnv->uri) == 0) {
            uriEnv->match_type = MATCH_TYPE_CONTEXT;
        }
        return JK_OK;
    } 
    else if (strcmp("servlet", name) == 0) {
        uriEnv->servlet=val;
    } 
    else if (strcmp("timing", name) == 0) {
        uriEnv->timing = atoi(val);
    }
    else if (strcmp("alias", name) == 0) {
        if (uriEnv->match_type == MATCH_TYPE_HOST) {
            if (uriEnv->aliases == NULL) {
                jk2_map_default_create(env, &uriEnv->aliases, mbean->pool);
            }
            uriEnv->aliases->put(env, uriEnv->aliases, val, uriEnv, NULL);
        }
    }
    else if (strcmp("path", name) == 0) {
        /** This is called from Location in jk2, it has the same effect
         *    as using the constructor.
         */
        if (val == NULL)
            uriEnv->uri = NULL;
        else
            uriEnv->uri = uriEnv->pool->pstrdup(env, uriEnv->pool, val);
    }
    else if (strcmp("inheritGlobals", name) == 0) {
        uriEnv->inherit_globals = atoi(val);
    }
    else {
        /* OLD - DEPRECATED */
        if (strcmp("worker", name) == 0) {
            uriEnv->workerName = val;
            env->l->jkLog(env, env->l, JK_LOG_INFO,
                    "uriEnv.setAttribute() the %s directive is deprecated. Use 'group' instead.\n",
                    name);
        } 
        else if (strcmp("uri", name) == 0) {
            jk2_uriEnv_parseName(env, uriEnv, val);
        }