Exemplo n.º 1
0
static const char *
SVNSpecialURI_cmd(cmd_parms *cmd, void *config, const char *arg1)
{
  server_conf_t *conf;
  char *uri;
  apr_size_t len;

  uri = apr_pstrdup(cmd->pool, arg1);

  /* apply a bit of processing to the thing:
     - eliminate .. and . components
     - eliminate double slashes
     - eliminate leading and trailing slashes
     */
  ap_getparents(uri);
  ap_no2slash(uri);
  if (*uri == '/')
    ++uri;
  len = strlen(uri);
  if (len > 0 && uri[len - 1] == '/')
    uri[--len] = '\0';
  if (len == 0)
    return "The special URI path must have at least one component.";

  conf = ap_get_module_config(cmd->server->module_config,
                              &dav_svn_module);
  conf->special_uri = uri;

  return NULL;
}
/**
 * Nomalize charset in HTTP request line and HTTP header(s).
 * Returns 0 on success, -1 (non-zero) on error.
 *
 * FIXME: Should handle/consider partial success?
 *
 * @param  r Apache request object structure
 * @param cd Conversion descriptor, made by iconv_open(3).
 */
static int
iconv_header(request_rec *r, iconv_t cd) {

  char *buff;
  char *keys[] = { "Destination", NULL };
  int   i;

  /* Normalize encoding in HTTP request line */
  ap_unescape_url(r->unparsed_uri);
  if ((buff = iconv_string(r, cd, r->unparsed_uri,
			   strlen(r->unparsed_uri))) == NULL)
    return -1;
  ap_parse_uri(r, buff);
  ap_getparents(r->uri); /* normalize given path for security */

  /* Normalize encoding in HTTP request header(s) */
  for (i = 0 ; keys[i] ; i++) {
    if ((buff = (char *)ap_table_get(r->headers_in, keys[i])) != NULL) {
      ap_unescape_url(buff);
      if ((buff = iconv_string(r, cd, buff, strlen(buff))) == NULL)
	return -1;
      ap_table_set(r->headers_in, keys[i], buff);
    }
  }

  return 0;
}
Exemplo n.º 3
0
/*******************************************************************************
 * Compute printable MD5 hash. Pool p is used for scratch as well as for
 * allocating the hash - use temp storage, and dup it if you need to keep it.
 */
char *
fcgi_util_socket_hash_filename(pool *p, const char *path,
        const char *user, const char *group)
{
    char *buf = ap_pstrcat(p, path, user, group, NULL);

    /* Canonicalize the path (remove "//", ".", "..") */
    ap_getparents(buf);

    return ap_md5(p, (unsigned char *)buf);
}
Exemplo n.º 4
0
/*******************************************************************************
 * Configure a static FastCGI server that is started/managed elsewhere.
 */
const char *fcgi_config_new_external_server(cmd_parms *cmd, void *dummy, const char *arg)
{
    fcgi_server *s;
    pool * const p = cmd->pool, *tp = cmd->temp_pool;
    const char * const name = cmd->cmd->name;
    char *fs_path = ap_getword_conf(p, &arg);
    const char *option, *err;

    err = ap_check_cmd_context(cmd, NOT_IN_LIMIT|NOT_IN_DIR_LOC_FILE);
    if (err) {
        return err;
    }

    if (!*fs_path) {
        return ap_pstrcat(tp, name, " requires a path and either a -socket or -host option", NULL);
    }

#ifdef APACHE2
    if (apr_filepath_merge(&fs_path, "", fs_path, 0, p))
        return ap_psprintf(tp, "%s %s: invalid filepath", name, fs_path);
#else
    fs_path = ap_os_canonical_filename(p, fs_path);
#endif

    fs_path = ap_server_root_relative(p, fs_path);

    ap_getparents(fs_path);
    ap_no2slash(fs_path);

    /* See if we've already got one of these bettys configured */
    s = fcgi_util_fs_get_by_id(fs_path, fcgi_util_get_server_uid(cmd->server),
                               fcgi_util_get_server_gid(cmd->server));
    if (s != NULL) {
        if (fcgi_wrapper) {
            return ap_psprintf(tp,
                "%s: redefinition of a previously defined class \"%s\" "
                "with uid=%ld and gid=%ld",
                name, fs_path, (long) fcgi_util_get_server_uid(cmd->server),
                (long) fcgi_util_get_server_gid(cmd->server));
        }
        else 
        {
            return ap_psprintf(tp,
                "%s: redefinition of previously defined class \"%s\"", name, fs_path);
        }
    }

    s = fcgi_util_fs_new(p);
    s->fs_path = fs_path;
    s->directive = APP_CLASS_EXTERNAL;

    /*  Parse directive arguments */
    while (*arg != '\0') {
        option = ap_getword_conf(tp, &arg);

        if (strcasecmp(option, "-host") == 0) {
            if ((err = get_host_n_port(p, &arg, &s->host, &s->port)))
                return invalid_value(tp, name, fs_path, option, err);
        }
        else if (strcasecmp(option, "-socket") == 0) {
            s->socket_path = ap_getword_conf(tp, &arg);
            if (*s->socket_path == '\0')
                return invalid_value(tp, name, fs_path, option, "\"\"");
        }
        else if (strcasecmp(option, "-appConnTimeout") == 0) {
            if ((err = get_u_int(tp, &arg, &s->appConnectTimeout, 0)))
                return invalid_value(tp, name, fs_path, option, err);
        }
        else if (strcasecmp(option, "-idle-timeout") == 0) {
            if ((err = get_u_int(tp, &arg, &s->idle_timeout, 1)))
                return invalid_value(tp, name, fs_path, option, err);
        }
        else if (strcasecmp(option, "-nph") == 0) {
            s->nph = 1;
        }
        else if (strcasecmp(option, "-pass-header") == 0) {
            if ((err = get_pass_header(p, &arg, &s->pass_headers)))
                return invalid_value(tp, name, fs_path, option, err);
        }
        else if (strcasecmp(option, "-flush") == 0) {
            s->flush = 1;
        }
        else if (strcasecmp(option, "-user") == 0) {
#ifdef WIN32
            return ap_psprintf(tp, 
                "%s %s: the -user option isn't supported on WIN", name, fs_path);
#else
            s->user = ap_getword_conf(tp, &arg);
            if (*s->user == '\0')
                return invalid_value(tp, name, fs_path, option, "\"\"");
#endif
        }
        else if (strcasecmp(option, "-group") == 0) {
#ifdef WIN32
            return ap_psprintf(tp, 
                "%s %s: the -group option isn't supported on WIN", name, fs_path);
#else
            s->group = ap_getword_conf(tp, &arg);
            if (*s->group == '\0')
                return invalid_value(tp, name, fs_path, option, "\"\"");
#endif
        }
        else if (strcasecmp(option, "-fixPaths") == 0) {
            s->fixPaths = 1;
        }
        else {
            return ap_psprintf(tp, "%s %s: invalid option: %s", name, fs_path, option);
        }
    } /* while */


#ifndef WIN32
    if (fcgi_wrapper)
    {
        if (s->group == NULL)
        {
            s->group = ap_psprintf(tp, "#%ld", (long)fcgi_util_get_server_gid(cmd->server));
        }

        if (s->user == NULL)
        {
            s->user = ap_psprintf(p, "#%ld", (long)fcgi_util_get_server_uid(cmd->server));
        }

        s->uid = ap_uname2id(s->user);
        s->gid = ap_gname2id(s->group);
    }
    else if (s->user || s->group)
    {
        ap_log_error(FCGI_LOG_WARN, cmd->server, "FastCGI: there is no "
                     "fastcgi wrapper set, user/group options are ignored");
    }

    if ((err = fcgi_util_fs_set_uid_n_gid(p, s, s->uid, s->gid)))
    {
        return ap_psprintf(tp,
            "%s %s: invalid user or group: %s", name, fs_path, err);
    }
#endif /* !WIN32 */

    /* Require one of -socket or -host, but not both */
    if (s->socket_path != NULL && s->port != 0) {
        return ap_psprintf(tp,
            "%s %s: -host and -socket are mutually exclusive options",
            name, fs_path);
    }
    if (s->socket_path == NULL && s->port == 0) {
        return ap_psprintf(tp,
            "%s %s: -socket or -host option missing", name, fs_path);
    }

    /* Build the appropriate sockaddr structure */
    if (s->port != 0) {
        err = fcgi_util_socket_make_inet_addr(p, (struct sockaddr_in **)&s->socket_addr,
            &s->socket_addr_len, s->host, s->port);
        if (err != NULL)
            return ap_psprintf(tp, "%s %s: %s", name, fs_path, err);
    } else {

        if (fcgi_socket_dir == NULL)
        {
#ifdef WIN32
            fcgi_socket_dir = DEFAULT_SOCK_DIR;
#else
            fcgi_socket_dir = ap_server_root_relative(p, DEFAULT_SOCK_DIR);
#endif
        }

        s->socket_path = fcgi_util_socket_make_path_absolute(p, s->socket_path, 0);
#ifndef WIN32
        err = fcgi_util_socket_make_domain_addr(p, (struct sockaddr_un **)&s->socket_addr,
                                  &s->socket_addr_len, s->socket_path);
        if (err != NULL)
            return ap_psprintf(tp, "%s %s: %s", name, fs_path, err);
#endif
    }

    /* Add it to the list of FastCGI servers */
    fcgi_util_fs_add(s);

    return NULL;
}
Exemplo n.º 5
0
/*******************************************************************************
 * Configure a static FastCGI server.
 */
const char *fcgi_config_new_static_server(cmd_parms *cmd, void *dummy, const char *arg)
{
    fcgi_server *s;
    pool *p = cmd->pool, *tp = cmd->temp_pool;
    const char *name = cmd->cmd->name;
    char *fs_path = ap_getword_conf(p, &arg);
    const char *option, *err;

    /* Allocate temp storage for the array of initial environment variables */
    char **envp = ap_pcalloc(tp, sizeof(char *) * (MAX_INIT_ENV_VARS + 3));
    unsigned int envc = 0;

#ifdef WIN32
    HANDLE mutex;
#endif

    err = ap_check_cmd_context(cmd, NOT_IN_LIMIT|NOT_IN_DIR_LOC_FILE);
    if (err)
    {
        return err;
    }

    if (*fs_path == '\0')
        return "AppClass requires a pathname!?";

    if ((err = fcgi_config_set_fcgi_uid_n_gid(1)) != NULL)
        return ap_psprintf(tp, "%s %s: %s", name, fs_path, err);

#ifdef APACHE2
    if (apr_filepath_merge(&fs_path, "", fs_path, 0, p))
        return ap_psprintf(tp, "%s %s: invalid filepath", name, fs_path);
#else
    fs_path = ap_os_canonical_filename(p, fs_path);
#endif
    fs_path = ap_server_root_relative(p, fs_path);

    ap_getparents(fs_path);
    ap_no2slash(fs_path);

    /* See if we've already got one of these configured */
    s = fcgi_util_fs_get_by_id(fs_path, fcgi_util_get_server_uid(cmd->server),
                               fcgi_util_get_server_gid(cmd->server));
    if (s != NULL) {
        if (fcgi_wrapper) {
            return ap_psprintf(tp,
                "%s: redefinition of a previously defined FastCGI "
                "server \"%s\" with uid=%ld and gid=%ld",
                name, fs_path, (long) fcgi_util_get_server_uid(cmd->server),
                (long) fcgi_util_get_server_gid(cmd->server));
        }
        else {
            return ap_psprintf(tp,
                "%s: redefinition of a previously defined FastCGI server \"%s\"",
                name, fs_path);
        }
    }

    err = fcgi_util_fs_is_path_ok(tp, fs_path, NULL);
    if (err != NULL) {
        return ap_psprintf(tp, "%s: \"%s\" %s", name, fs_path, err);
    }

    s = fcgi_util_fs_new(p);
    s->fs_path = fs_path;
    s->directive = APP_CLASS_STANDARD;
    s->restartOnExit = TRUE;
    s->numProcesses = 1;

#ifdef WIN32

    /* TCP FastCGI applications require SystemRoot be present in the environment
     * Put it in both for consistency to the application */
    fcgi_config_set_env_var(p, envp, &envc, "SystemRoot");

    mutex = CreateMutex(NULL, FALSE, fs_path);
    
    if (mutex == NULL)
    {
        ap_log_error(FCGI_LOG_ALERT, fcgi_apache_main_server,
            "FastCGI: CreateMutex() failed");
        return "failed to create FastCGI application accept mutex";
    }
    
    SetHandleInformation(mutex, HANDLE_FLAG_INHERIT, TRUE);

    s->mutex_env_string = ap_psprintf(p, "_FCGI_MUTEX_=%ld", mutex);

#endif

    /*  Parse directive arguments */
    while (*arg) {
        option = ap_getword_conf(tp, &arg);

        if (strcasecmp(option, "-processes") == 0) {
            if ((err = get_u_int(tp, &arg, &s->numProcesses, 1)))
                return invalid_value(tp, name, fs_path, option, err);
        }
        else if (strcasecmp(option, "-restart-delay") == 0) {
            if ((err = get_u_int(tp, &arg, &s->restartDelay, 0)))
                return invalid_value(tp, name, fs_path, option, err);
        }
        else if (strcasecmp(option, "-init-start-delay") == 0) {
            if ((err = get_int(tp, &arg, &s->initStartDelay, 0)))
                return invalid_value(tp, name, fs_path, option, err);
        }
        else if (strcasecmp(option, "-min-server-life") == 0) {
            if ((err = get_u_int(tp, &arg, &s->minServerLife, 0)))
                return invalid_value(tp, name, NULL, option, err);
        }
        else if (strcasecmp(option, "-priority") == 0) {
            if ((err = get_u_int(tp, &arg, &s->processPriority, 0)))
                return invalid_value(tp, name, fs_path, option, err);
        }
        else if (strcasecmp(option, "-listen-queue-depth") == 0) {
            if ((err = get_u_int(tp, &arg, &s->listenQueueDepth, 1)))
                return invalid_value(tp, name, fs_path, option, err);
        }
        else if (strcasecmp(option, "-appConnTimeout") == 0) {
            if ((err = get_u_int(tp, &arg, &s->appConnectTimeout, 0)))
                return invalid_value(tp, name, fs_path, option, err);
        }
        else if (strcasecmp(option, "-idle-timeout") == 0) {
            if ((err = get_u_int(tp, &arg, &s->idle_timeout, 1)))
                return invalid_value(tp, name, fs_path, option, err);
        }
        else if (strcasecmp(option, "-port") == 0) {
            if ((err = get_u_short(tp, &arg, &s->port, 1)))
                return invalid_value(tp, name, fs_path, option, err);
        }
        else if (strcasecmp(option, "-socket") == 0) {
            s->socket_path = ap_getword_conf(tp, &arg);
            if (*s->socket_path == '\0')
                return invalid_value(tp, name, fs_path, option, "\"\"");
        }
        else if (strcasecmp(option, "-initial-env") == 0) {
            if ((err = get_env_var(p, &arg, envp, &envc)))
                return invalid_value(tp, name, fs_path, option, err);
        }
        else if (strcasecmp(option, "-pass-header") == 0) {
            if ((err = get_pass_header(p, &arg, &s->pass_headers)))
                return invalid_value(tp, name, fs_path, option, err);
        }
        else if (strcasecmp(option, "-flush") == 0) {
            s->flush = 1;
        }
        else if (strcasecmp(option, "-nph") == 0) {
            s->nph = 1;
        }
        else if (strcasecmp(option, "-user") == 0) {
#ifdef WIN32
            return ap_psprintf(tp, 
                "%s %s: the -user option isn't supported on WIN", name, fs_path);
#else
            s->user = ap_getword_conf(tp, &arg);
            if (*s->user == '\0')
                return invalid_value(tp, name, fs_path, option, "\"\"");
#endif
        }
        else if (strcasecmp(option, "-group") == 0) {
#ifdef WIN32
            return ap_psprintf(tp, 
                "%s %s: the -group option isn't supported on WIN", name, fs_path);
#else
            s->group = ap_getword_conf(tp, &arg);
            if (*s->group == '\0')
                return invalid_value(tp, name, fs_path, option, "\"\"");
#endif
        }
        else {
            return ap_psprintf(tp, "%s %s: invalid option: %s", name, fs_path, option);
        }
    } /* while */

#ifndef WIN32
    if (fcgi_wrapper)
    {
        if (s->group == NULL)
        {
            s->group = ap_psprintf(tp, "#%ld", (long)fcgi_util_get_server_gid(cmd->server));
        }

        if (s->user == NULL)
        {
            s->user = ap_psprintf(p, "#%ld", (long)fcgi_util_get_server_uid(cmd->server)); 
        }

        s->uid = ap_uname2id(s->user);
        s->gid = ap_gname2id(s->group);
    }
    else if (s->user || s->group)
    {
        ap_log_error(FCGI_LOG_WARN, cmd->server, "FastCGI: there is no "
                     "fastcgi wrapper set, user/group options are ignored");
    }

    if ((err = fcgi_util_fs_set_uid_n_gid(p, s, s->uid, s->gid)))
    {
        return ap_psprintf(tp, 
            "%s %s: invalid user or group: %s", name, fs_path, err);
    }
#endif /* !WIN32 */

    if (s->socket_path != NULL && s->port != 0) {
        return ap_psprintf(tp,
                "%s %s: -port and -socket are mutually exclusive options",
                name, fs_path);
    }

    /* Move env array to a surviving pool */
    s->envp = (char **)ap_pcalloc(p, sizeof(char *) * (envc + 4));
    memcpy(s->envp, envp, sizeof(char *) * envc);

    /* Initialize process structs */
    s->procs = fcgi_util_fs_create_procs(p, s->numProcesses);

    /* Build the appropriate sockaddr structure */
    if (s->port != 0) {
        err = fcgi_util_socket_make_inet_addr(p, (struct sockaddr_in **)&s->socket_addr,
                                &s->socket_addr_len, NULL, s->port);
        if (err != NULL)
            return ap_psprintf(tp, "%s %s: %s", name, fs_path, err);
#ifdef WIN32
        err = fcgi_util_socket_make_inet_addr(p, (struct sockaddr_in **)&s->dest_addr,
                                          &s->socket_addr_len, "localhost", s->port);
        if (err != NULL)
            return ap_psprintf(tp, "%s %s: %s", name, fs_path, err);
#endif
    } else {
        if (s->socket_path == NULL)
             s->socket_path = fcgi_util_socket_hash_filename(tp, fs_path, s->user, s->group);

        if (fcgi_socket_dir == NULL)
        {
#ifdef WIN32
            fcgi_socket_dir = DEFAULT_SOCK_DIR;
#else
            fcgi_socket_dir = ap_server_root_relative(p, DEFAULT_SOCK_DIR);
#endif
        }

        s->socket_path = fcgi_util_socket_make_path_absolute(p, s->socket_path, 0);
#ifndef WIN32
        err = fcgi_util_socket_make_domain_addr(p, (struct sockaddr_un **)&s->socket_addr,
                                  &s->socket_addr_len, s->socket_path);
        if (err != NULL)
            return ap_psprintf(tp, "%s %s: %s", name, fs_path, err);
#endif
    }

    /* Add it to the list of FastCGI servers */
    fcgi_util_fs_add(s);

    return NULL;
}