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fcgi_config.c
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fcgi_config.c
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/*
* $Id: fcgi_config.c,v 1.53 2007/10/29 00:22:00 robs Exp $
*/
#define CORE_PRIVATE
#include "fcgi.h"
#ifdef APACHE2
#include <limits.h>
#include "mpm_common.h" /* ap_uname2id, ap_gname2id */
#ifdef WIN32
#include <direct.h>
#else
#include <unistd.h>
#include "unixd.h"
#endif
#endif
#ifdef WIN32
/* warning C4100: unreferenced formal parameter */
/* warning C4706: assignment within conditional expression */
#pragma warning( disable : 4100 4706 )
#endif
/*******************************************************************************
* Get the next configuration directive argument, & return an in_addr and port.
* The arg must be in the form "host:port" where host can be an IP or hostname.
* The pool arg should be persistant storage.
*/
static const char *get_host_n_port(pool *p, const char **arg,
const char **host, u_short *port)
{
char *cvptr, *portStr;
long tmp;
*host = ap_getword_conf(p, arg);
if (**host == '\0')
return "\"\"";
portStr = strchr(*host, ':');
if (portStr == NULL)
return "missing port specification";
/* Split the host and port portions */
*portStr++ = '\0';
/* Convert port number */
tmp = (u_short) strtol(portStr, &cvptr, 10);
if (*cvptr != '\0' || tmp < 1 || tmp > USHRT_MAX)
return ap_pstrcat(p, "bad port number \"", portStr, "\"", NULL);
*port = (unsigned short) tmp;
return NULL;
}
/*******************************************************************************
* Get the next configuration directive argument, & return an u_short.
* The pool arg should be temporary storage.
*/
static const char *get_u_short(pool *p, const char **arg,
u_short *num, u_short min)
{
char *ptr;
long tmp;
const char *txt = ap_getword_conf(p, arg);
if (*txt == '\0') {
return "\"\"";
}
tmp = strtol(txt, &ptr, 10);
if (*ptr != '\0') {
return ap_pstrcat(p, "\"", txt, "\" must be a positive integer", NULL);
}
if (tmp < min || tmp > USHRT_MAX) {
return ap_psprintf(p, "\"%u\" must be >= %u and < %u", *num, min, USHRT_MAX);
}
*num = (u_short) tmp;
return NULL;
}
static const char *get_int(pool *p, const char **arg, int *num, int min)
{
char *cp;
const char *val = ap_getword_conf(p, arg);
if (*val == '\0')
{
return "\"\"";
}
*num = (int) strtol(val, &cp, 10);
if (*cp != '\0')
{
return ap_pstrcat(p, "can't parse ", "\"", val, "\"", NULL);
}
else if (*num < min)
{
return ap_psprintf(p, "\"%d\" must be >= %d", *num, min);
}
return NULL;
}
/*******************************************************************************
* Get the next configuration directive argument, & return an u_int.
* The pool arg should be temporary storage.
*/
static const char *get_u_int(pool *p, const char **arg,
u_int *num, u_int min)
{
char *ptr;
const char *val = ap_getword_conf(p, arg);
if (*val == '\0')
return "\"\"";
*num = (u_int)strtol(val, &ptr, 10);
if (*ptr != '\0')
return ap_pstrcat(p, "\"", val, "\" must be a positive integer", NULL);
else if (*num < min)
return ap_psprintf(p, "\"%u\" must be >= %u", *num, min);
return NULL;
}
/*******************************************************************************
* Get the next configuration directive argument, & return a float.
* The pool arg should be temporary storage.
*/
static const char *get_float(pool *p, const char **arg,
float *num, float min, float max)
{
char *ptr;
const char *val = ap_getword_conf(p, arg);
if (*val == '\0')
return "\"\"";
*num = (float) strtod(val, &ptr);
if (*ptr != '\0')
return ap_pstrcat(p, "\"", val, "\" is not a floating point number", NULL);
if (*num < min || *num > max)
return ap_psprintf(p, "\"%f\" is not between %f and %f", *num, min, max);
return NULL;
}
const char *fcgi_config_set_env_var(pool *p, char **envp, unsigned int *envc, char * var)
{
if (*envc >= MAX_INIT_ENV_VARS) {
return "too many variables, must be <= MAX_INIT_ENV_VARS";
}
if (strchr(var, '=') == NULL) {
*(envp + *envc) = ap_pstrcat(p, var, "=", getenv(var), NULL);
}
else {
*(envp + *envc) = var;
}
(*envc)++;
return NULL;
}
/*******************************************************************************
* Get the next configuration directive argument, & add it to an env array.
* The pool arg should be permanent storage.
*/
static const char *get_env_var(pool *p, const char **arg, char **envp, unsigned int *envc)
{
char * const val = ap_getword_conf(p, arg);
if (*val == '\0') {
return "\"\"";
}
return fcgi_config_set_env_var(p, envp, envc, val);
}
static const char *get_pass_header(pool *p, const char **arg, array_header **array)
{
const char **header;
if (!*array) {
*array = ap_make_array(p, 10, sizeof(char*));
}
header = (const char **)ap_push_array(*array);
*header = ap_getword_conf(p, arg);
return header ? NULL : "\"\"";
}
/*******************************************************************************
* Return a "standard" message for common configuration errors.
*/
static const char *invalid_value(pool *p, const char *cmd, const char *id,
const char *opt, const char *err)
{
return ap_psprintf(p, "%s%s%s: invalid value for %s: %s",
cmd, id ? " " : "", id ? id : "", opt, err);
}
/*******************************************************************************
* Set/Reset the uid/gid that Apache and the PM will run as. This is ap_user_id
* and ap_group_id if we're started as root, and euid/egid otherwise. Also try
* to check that the config files don't set the User/Group after a FastCGI
* directive is used that depends on it.
*/
/*@@@ To be complete, we should save a handle to the server each AppClass is
* configured in and at init() check that the user/group is still what we
* thought it was. Also the other directives should only be allowed in the
* parent Apache server.
*/
const char *fcgi_config_set_fcgi_uid_n_gid(int set)
{
static int isSet = 0;
#ifndef WIN32
uid_t uid = geteuid();
gid_t gid = getegid();
if (set == 0) {
isSet = 0;
fcgi_user_id = (uid_t)-1;
fcgi_group_id = (gid_t)-1;
return NULL;
}
if (uid == 0) {
uid = ap_user_id;
}
if (gid == 0) {
gid = ap_group_id;
}
if (isSet && (uid != fcgi_user_id || gid != fcgi_group_id)) {
return "User/Group commands must preceed FastCGI server definitions";
}
isSet = 1;
fcgi_user_id = uid;
fcgi_group_id = gid;
#endif /* !WIN32 */
return NULL;
}
apcb_t fcgi_config_reset_globals(void* dummy)
{
fcgi_config_pool = NULL;
fcgi_servers = NULL;
fcgi_config_set_fcgi_uid_n_gid(0);
fcgi_wrapper = NULL;
fcgi_socket_dir = NULL;
fcgi_dynamic_total_proc_count = 0;
fcgi_dynamic_epoch = 0;
fcgi_dynamic_last_analyzed = 0;
dynamicMaxProcs = FCGI_DEFAULT_MAX_PROCS;
dynamicMinProcs = FCGI_DEFAULT_MIN_PROCS;
dynamicMaxClassProcs = FCGI_DEFAULT_MAX_CLASS_PROCS;
dynamicKillInterval = FCGI_DEFAULT_KILL_INTERVAL;
dynamicUpdateInterval = FCGI_DEFAULT_UPDATE_INTERVAL;
dynamicGain = FCGI_DEFAULT_GAIN;
dynamicThreshold1 = FCGI_DEFAULT_THRESHOLD_1;
dynamicThresholdN = FCGI_DEFAULT_THRESHOLD_N;
dynamicPleaseStartDelay = FCGI_DEFAULT_START_PROCESS_DELAY;
dynamicAppConnectTimeout = FCGI_DEFAULT_APP_CONN_TIMEOUT;
dynamicEnvp = &fcgi_empty_env;
dynamicProcessSlack = FCGI_DEFAULT_PROCESS_SLACK;
dynamicAutoRestart = FCGI_DEFAULT_RESTART_DYNAMIC;
dynamicAutoUpdate = FCGI_DEFAULT_AUTOUPDATE;
dynamicListenQueueDepth = FCGI_DEFAULT_LISTEN_Q;
dynamicInitStartDelay = DEFAULT_INIT_START_DELAY;
dynamicRestartDelay = FCGI_DEFAULT_RESTART_DELAY;
dynamicMinServerLife = FCGI_DEFAULT_MIN_SERVER_LIFE;
dynamic_pass_headers = NULL;
dynamic_idle_timeout = FCGI_DEFAULT_IDLE_TIMEOUT;
dynamicFlush = FCGI_FLUSH;
#ifndef WIN32
/* Close any old pipe (HUP/USR1) */
if (fcgi_pm_pipe[0] != -1) {
close(fcgi_pm_pipe[0]);
fcgi_pm_pipe[0] = -1;
}
if (fcgi_pm_pipe[1] != -1) {
close(fcgi_pm_pipe[1]);
fcgi_pm_pipe[1] = -1;
}
#endif
return APCB_OK;
}
/*******************************************************************************
* Create a directory to hold Unix/Domain sockets.
*/
const char *fcgi_config_make_dir(pool *tp, char *path)
{
struct stat finfo;
const char *err = NULL;
/* Is the directory spec'd correctly */
if (*path != '/') {
return "path is not absolute (it must start with a \"/\")";
}
else {
int i = strlen(path) - 1;
/* Strip trailing "/"s */
while(i > 0 && path[i] == '/') path[i--] = '\0';
}
/* Does it exist? */
if (stat(path, &finfo) != 0) {
/* No, but maybe we can create it */
#ifdef WIN32
if (mkdir(path) != 0)
#else
if (mkdir(path, S_IRWXU) != 0)
#endif
{
return ap_psprintf(tp,
"doesn't exist and can't be created: %s",
strerror(errno));
}
#ifndef WIN32
/* If we're root, we're gonna setuid/setgid so we need to chown */
if (geteuid() == 0 && chown(path, ap_user_id, ap_group_id) != 0) {
return ap_psprintf(tp,
"can't chown() to the server (uid %ld, gid %ld): %s",
(long)ap_user_id, (long)ap_group_id, strerror(errno));
}
#endif
}
else {
/* Yes, is it a directory? */
if (!S_ISDIR(finfo.st_mode))
return "isn't a directory!";
/* Can we RWX in there? */
#ifdef WIN32
err = fcgi_util_check_access(tp, NULL, &finfo, _S_IREAD | _S_IWRITE | _S_IEXEC, fcgi_user_id, fcgi_group_id);
#else
err = fcgi_util_check_access(tp, NULL, &finfo, R_OK | W_OK | X_OK,
fcgi_user_id, fcgi_group_id);
#endif
if (err != NULL) {
return ap_psprintf(tp,
"access for server (uid %ld, gid %ld) failed: %s",
(long)fcgi_user_id, (long)fcgi_group_id, err);
}
}
return NULL;
}
/*******************************************************************************
* Create a "dynamic" subdirectory. If the directory
* already exists we don't mess with it unless 'wax' is set.
*/
#ifndef WIN32
const char *fcgi_config_make_dynamic_dir(pool *p, const int wax)
{
const char *err;
pool *tp;
fcgi_dynamic_dir = ap_pstrcat(p, fcgi_socket_dir, "/dynamic", NULL);
if ((err = fcgi_config_make_dir(p, fcgi_dynamic_dir)))
return ap_psprintf(p, "can't create dynamic directory \"%s\": %s", fcgi_dynamic_dir, err);
/* Don't step on a running server unless its OK. */
if (!wax)
return NULL;
#ifdef APACHE2
{
apr_dir_t * dir;
apr_finfo_t finfo;
if (apr_pool_create(&tp, p))
return "apr_pool_create() failed";
if (apr_dir_open(&dir, fcgi_dynamic_dir, tp))
return "apr_dir_open() failed";
/* delete the contents */
while (apr_dir_read(&finfo, APR_FINFO_NAME, dir) == APR_SUCCESS)
{
if (strcmp(finfo.name, ".") == 0 || strcmp(finfo.name, "..") == 0)
continue;
apr_file_remove(finfo.name, tp);
}
}
#else /* !APACHE2 */
{
DIR *dp;
struct dirent *dirp = NULL;
tp = ap_make_sub_pool(p);
dp = ap_popendir(tp, fcgi_dynamic_dir);
if (dp == NULL) {
ap_destroy_pool(tp);
return ap_psprintf(p, "can't open dynamic directory \"%s\": %s",
fcgi_dynamic_dir, strerror(errno));
}
/* delete the contents */
while ((dirp = readdir(dp)) != NULL)
{
if (strcmp(dirp->d_name, ".") == 0 || strcmp(dirp->d_name, "..") == 0)
continue;
unlink(ap_pstrcat(tp, fcgi_dynamic_dir, "/", dirp->d_name, NULL));
}
}
#endif /* !APACHE2 */
ap_destroy_pool(tp);
return NULL;
}
#endif
/*******************************************************************************
* Change the directory used for the Unix/Domain sockets from the default.
* Create the directory and the "dynamic" subdirectory.
*/
const char *fcgi_config_set_socket_dir(cmd_parms *cmd, void *dummy, const char *arg)
{
pool * const tp = cmd->temp_pool;
const char * const name = cmd->cmd->name;
const char *err;
char * arg_nc;
err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
if (err)
{
return err;
}
if (fcgi_socket_dir) {
return ap_psprintf(tp, "%s %s: already defined as \"%s\"",
name, arg, fcgi_socket_dir);
}
err = fcgi_config_set_fcgi_uid_n_gid(1);
if (err != NULL)
return ap_psprintf(tp, "%s %s: %s", name, arg, err);
if (fcgi_servers != NULL) {
return ap_psprintf(tp,
"The %s command must preceed static FastCGI server definitions",
name);
}
arg_nc = ap_pstrdup(cmd->pool, arg);
#ifndef WIN32
#ifdef APACHE2
if (apr_filepath_merge(&arg_nc, "", arg, 0, cmd->pool))
return ap_psprintf(tp, "%s %s: invalid filepath", name, arg);
#else
arg_nc = ap_os_canonical_filename(cmd->pool, arg_nc);
#endif
arg_nc = ap_server_root_relative(cmd->pool, arg_nc);
#else /* WIN32 */
if (strncmp(arg_nc, "\\\\.\\pipe\\", 9) != 0)
return ap_psprintf(tp, "%s %s is invalid format",name, arg_nc);
#endif
fcgi_socket_dir = arg_nc;
#ifdef WIN32
fcgi_dynamic_dir = ap_pstrcat(cmd->pool, fcgi_socket_dir, "dynamic", NULL);
#else
err = fcgi_config_make_dir(tp, fcgi_socket_dir);
if (err != NULL)
return ap_psprintf(tp, "%s %s: %s", name, arg_nc, err);
err = fcgi_config_make_dynamic_dir(cmd->pool, 0);
if (err != NULL)
return ap_psprintf(tp, "%s %s: %s", name, arg_nc, err);
#endif
return NULL;
}
/*******************************************************************************
* Enable, disable, or specify the path to a wrapper used to invoke all
* FastCGI applications.
*/
const char *fcgi_config_set_wrapper(cmd_parms *cmd, void *dummy, const char *arg)
{
#ifdef WIN32
return ap_psprintf(cmd->temp_pool,
"the %s directive is not supported on WIN", cmd->cmd->name);
#else
const char *err = NULL;
const char * const name = cmd->cmd->name;
pool * const tp = cmd->temp_pool;
char * wrapper = NULL;
err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
if (err)
{
return err;
}
if (fcgi_wrapper)
{
return ap_psprintf(tp, "%s was already set to \"%s\"",
name, fcgi_wrapper);
}
err = fcgi_config_set_fcgi_uid_n_gid(1);
if (err != NULL)
return ap_psprintf(tp, "%s %s: %s", name, arg, err);
if (fcgi_servers != NULL) {
return ap_psprintf(tp,
"The %s command must preceed static FastCGI server definitions", name);
}
if (strcasecmp(arg, "Off") == 0) {
fcgi_wrapper = NULL;
return NULL;
}
if (strcasecmp(arg, "On") == 0)
{
wrapper = SUEXEC_BIN;
}
else
{
#ifdef APACHE2
if (apr_filepath_merge(&wrapper, "", arg, 0, cmd->pool))
return ap_psprintf(tp, "%s %s: invalid filepath", name, arg);
#else
wrapper = ap_os_canonical_filename(cmd->pool, (char *) arg);
#endif
wrapper = ap_server_root_relative(cmd->pool, wrapper);
}
err = fcgi_util_check_access(tp, wrapper, NULL, X_OK, fcgi_user_id, fcgi_group_id);
if (err)
{
return ap_psprintf(tp, "%s: \"%s\" execute access for server "
"(uid %ld, gid %ld) failed: %s", name, wrapper,
(long) fcgi_user_id, (long) fcgi_group_id, err);
}
fcgi_wrapper = wrapper;
return NULL;
#endif /* !WIN32 */
}
/*******************************************************************************
* 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", fcgi_util_get_server_gid(cmd->server));
}
if (s->user == NULL)
{
s->user = ap_psprintf(p, "#%ld", 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;
}
/*******************************************************************************
* 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 {
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", fcgi_util_get_server_gid(cmd->server));
}
if (s->user == NULL)
{
s->user = ap_psprintf(p, "#%ld", 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);