httpd: add -i (inetd) and -f (foreground) otions.
-i makes possible to run httpd in both inetd and standalone mode without recompile (or need to have two different binaries)
This commit is contained in:
Denis Vlasenko
parent
e867b7ce86
commit
0871bc89fb
@ -1184,7 +1184,8 @@ USE_FEATURE_DATE_ISOFMT( \
|
||||
|
||||
#define httpd_trivial_usage \
|
||||
"[-c <conf file>]" \
|
||||
USE_FEATURE_HTTPD_WITHOUT_INETD(" [-p <port>]") \
|
||||
" [-p <port>]" \
|
||||
" [-i] [-f]" \
|
||||
USE_FEATURE_HTTPD_SETUID(" [-u user[:grp]]") \
|
||||
USE_FEATURE_HTTPD_BASIC_AUTH(" [-r <realm>]") \
|
||||
USE_FEATURE_HTTPD_AUTH_MD5(" [-m pass]") \
|
||||
@ -1194,7 +1195,9 @@ USE_FEATURE_DATE_ISOFMT( \
|
||||
"Listens for incoming http server requests.\n\n" \
|
||||
"Options:\n" \
|
||||
"\t-c FILE\t\tSpecifies configuration file. (default httpd.conf)\n" \
|
||||
USE_FEATURE_HTTPD_WITHOUT_INETD("\t-p PORT\t\tServer port (default 80)\n") \
|
||||
"\t-p PORT\t\tServer port (default 80)\n" \
|
||||
"\t-i\t\tAssume that we are started frim inetd\n" \
|
||||
"\t-f\t\tDo not daemonize\n" \
|
||||
USE_FEATURE_HTTPD_SETUID("\t-u USER[:GRP]\tSet uid/gid after binding to port\n") \
|
||||
USE_FEATURE_HTTPD_BASIC_AUTH("\t-r REALM\tAuthentication Realm for Basic Authentication\n") \
|
||||
USE_FEATURE_HTTPD_AUTH_MD5("\t-m PASS\t\tCrypt PASS with md5 algorithm\n") \
|
||||
|
||||
@ -69,14 +69,6 @@ config HTTPD
|
||||
help
|
||||
Serve web pages via an HTTP server.
|
||||
|
||||
config FEATURE_HTTPD_WITHOUT_INETD
|
||||
bool "Support using httpd as a daemon (not from inetd)"
|
||||
default n
|
||||
depends on HTTPD
|
||||
help
|
||||
This option enables uid and port options for the httpd applet,
|
||||
and eliminates the need to be called from the inetd server daemon.
|
||||
|
||||
config FEATURE_HTTPD_RELOAD_CONFIG_SIGHUP
|
||||
bool "Support reloading the global config file using hup signal"
|
||||
default n
|
||||
|
||||
@ -160,15 +160,8 @@ typedef struct {
|
||||
Htaccess *mime_a; /* config mime types */
|
||||
#endif
|
||||
|
||||
#if ENABLE_FEATURE_HTTPD_WITHOUT_INETD
|
||||
int server_socket;
|
||||
int accepted_socket;
|
||||
# define a_c_r config->accepted_socket
|
||||
# define a_c_w config->accepted_socket
|
||||
#else
|
||||
# define a_c_r 0
|
||||
# define a_c_w 1
|
||||
#endif
|
||||
volatile int alarm_signaled;
|
||||
|
||||
#if ENABLE_FEATURE_HTTPD_CONFIG_WITH_SCRIPT_INTERPR
|
||||
@ -791,7 +784,6 @@ static void decodeBase64(char *Data)
|
||||
#endif
|
||||
|
||||
|
||||
#if ENABLE_FEATURE_HTTPD_WITHOUT_INETD
|
||||
/****************************************************************************
|
||||
*
|
||||
> $Function: openServer()
|
||||
@ -828,7 +820,6 @@ static int openServer(void)
|
||||
signal(SIGCHLD, SIG_IGN); /* prevent zombie (defunct) processes */
|
||||
return fd;
|
||||
}
|
||||
#endif /* CONFIG_FEATURE_HTTPD_WITHOUT_INETD */
|
||||
|
||||
/****************************************************************************
|
||||
*
|
||||
@ -905,7 +896,7 @@ static int sendHeaders(HttpResponseNum responseNum)
|
||||
#if DEBUG
|
||||
fprintf(stderr, "Headers: '%s'", buf);
|
||||
#endif
|
||||
return full_write(a_c_w, buf, len);
|
||||
return full_write(config->accepted_socket, buf, len);
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
@ -924,7 +915,7 @@ static int getLine(void)
|
||||
int count = 0;
|
||||
char *buf = config->buf;
|
||||
|
||||
while (read(a_c_r, buf + count, 1) == 1) {
|
||||
while (read(config->accepted_socket, buf + count, 1) == 1) {
|
||||
if (buf[count] == '\r') continue;
|
||||
if (buf[count] == '\n') {
|
||||
buf[count] = 0;
|
||||
@ -1106,9 +1097,8 @@ static int sendCgi(const char *url,
|
||||
}
|
||||
}
|
||||
}
|
||||
#if ENABLE_FEATURE_HTTPD_WITHOUT_INETD
|
||||
config->accepted_socket = 1; /* send to stdout */
|
||||
#endif
|
||||
/* send to stdout (even if we are not from inetd) */
|
||||
config->accepted_socket = 1;
|
||||
sendHeaders(HTTP_NOT_FOUND);
|
||||
_exit(242);
|
||||
} /* end child */
|
||||
@ -1140,9 +1130,9 @@ static int sendCgi(const char *url,
|
||||
FD_SET(outFd, &writeSet);
|
||||
nfound = outFd > inFd ? outFd : inFd;
|
||||
if (post_readed_size == 0) {
|
||||
FD_SET(a_c_r, &readSet);
|
||||
if (nfound < a_c_r)
|
||||
nfound = a_c_r;
|
||||
FD_SET(config->accepted_socket, &readSet);
|
||||
if (nfound < config->accepted_socket)
|
||||
nfound = config->accepted_socket;
|
||||
}
|
||||
/* Now wait on the set of sockets! */
|
||||
nfound = select(nfound + 1, &readSet, &writeSet, 0, NULL);
|
||||
@ -1175,9 +1165,9 @@ static int sendCgi(const char *url,
|
||||
} else {
|
||||
post_readed_size = post_readed_idx = bodyLen = 0; /* broken pipe to CGI */
|
||||
}
|
||||
} else if (bodyLen > 0 && post_readed_size == 0 && FD_ISSET(a_c_r, &readSet)) {
|
||||
} else if (bodyLen > 0 && post_readed_size == 0 && FD_ISSET(config->accepted_socket, &readSet)) {
|
||||
count = bodyLen > (int)sizeof(wbuf) ? (int)sizeof(wbuf) : bodyLen;
|
||||
count = safe_read(a_c_r, wbuf, count);
|
||||
count = safe_read(config->accepted_socket, wbuf, count);
|
||||
if (count > 0) {
|
||||
post_readed_size += count;
|
||||
bodyLen -= count;
|
||||
@ -1186,7 +1176,7 @@ static int sendCgi(const char *url,
|
||||
}
|
||||
}
|
||||
if (FD_ISSET(inFd, &readSet)) {
|
||||
int s = a_c_w;
|
||||
int s = config->accepted_socket;
|
||||
char *rbuf = config->buf;
|
||||
|
||||
#ifndef PIPE_BUF
|
||||
@ -1282,7 +1272,7 @@ static int sendFile(const char *url)
|
||||
|
||||
sendHeaders(HTTP_OK);
|
||||
while ((count = full_read(f, buf, MAX_MEMORY_BUFF)) > 0) {
|
||||
if (full_write(a_c_w, buf, count) != count)
|
||||
if (full_write(config->accepted_socket, buf, count) != count)
|
||||
break;
|
||||
}
|
||||
close(f);
|
||||
@ -1670,18 +1660,13 @@ FORBIDDEN: /* protect listing /cgi-bin */
|
||||
config->last_mod = sb.st_mtime;
|
||||
}
|
||||
sendFile(test);
|
||||
#if ENABLE_FEATURE_HTTPD_WITHOUT_INETD
|
||||
/* unset if non inetd looped */
|
||||
config->ContentLength = -1;
|
||||
#endif
|
||||
#if ENABLE_FEATURE_HTTPD_CGI
|
||||
}
|
||||
}
|
||||
#endif
|
||||
} while (0);
|
||||
|
||||
#if ENABLE_FEATURE_HTTPD_WITHOUT_INETD
|
||||
/* from inetd don't looping: freeing, closing automatic from exit always */
|
||||
# if DEBUG
|
||||
fprintf(stderr, "closing socket\n");
|
||||
# endif
|
||||
@ -1689,27 +1674,25 @@ FORBIDDEN: /* protect listing /cgi-bin */
|
||||
free(cookie);
|
||||
free(content_type);
|
||||
free(config->referer);
|
||||
#if ENABLE_FEATURE_HTTPD_BASIC_AUTH
|
||||
# if ENABLE_FEATURE_HTTPD_BASIC_AUTH
|
||||
free(config->remoteuser);
|
||||
#endif
|
||||
# endif
|
||||
# endif
|
||||
#endif /* CONFIG_FEATURE_HTTPD_WITHOUT_INETD */
|
||||
shutdown(a_c_w, SHUT_WR);
|
||||
shutdown(config->accepted_socket, SHUT_WR);
|
||||
|
||||
/* Properly wait for remote to closed */
|
||||
FD_ZERO(&s_fd);
|
||||
FD_SET(a_c_r, &s_fd);
|
||||
FD_SET(config->accepted_socket, &s_fd);
|
||||
|
||||
do {
|
||||
tv.tv_sec = 2;
|
||||
tv.tv_usec = 0;
|
||||
retval = select(a_c_r + 1, &s_fd, NULL, NULL, &tv);
|
||||
} while (retval > 0 && read(a_c_r, buf, sizeof(config->buf) > 0));
|
||||
retval = select(config->accepted_socket + 1, &s_fd, NULL, NULL, &tv);
|
||||
} while (retval > 0 && read(config->accepted_socket, buf, sizeof(config->buf) > 0));
|
||||
|
||||
shutdown(a_c_r, SHUT_RD);
|
||||
#if ENABLE_FEATURE_HTTPD_WITHOUT_INETD
|
||||
shutdown(config->accepted_socket, SHUT_RD);
|
||||
/* In inetd case, we close fd 1 (stdout) here. We will exit soon anyway */
|
||||
close(config->accepted_socket);
|
||||
#endif /* CONFIG_FEATURE_HTTPD_WITHOUT_INETD */
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
@ -1727,7 +1710,6 @@ FORBIDDEN: /* protect listing /cgi-bin */
|
||||
* $Return: (int) . . . . Always 0.
|
||||
*
|
||||
****************************************************************************/
|
||||
#if ENABLE_FEATURE_HTTPD_WITHOUT_INETD
|
||||
static int miniHttpd(int server)
|
||||
{
|
||||
fd_set readfd, portfd;
|
||||
@ -1789,10 +1771,8 @@ static int miniHttpd(int server)
|
||||
return 0;
|
||||
}
|
||||
|
||||
#else
|
||||
/* from inetd */
|
||||
|
||||
static int miniHttpd(void)
|
||||
/* from inetd */
|
||||
static int miniHttpd_inetd(void)
|
||||
{
|
||||
struct sockaddr_in fromAddrLen;
|
||||
socklen_t sinlen = sizeof(struct sockaddr_in);
|
||||
@ -1810,7 +1790,6 @@ static int miniHttpd(void)
|
||||
handleIncoming();
|
||||
return 0;
|
||||
}
|
||||
#endif /* CONFIG_FEATURE_HTTPD_WITHOUT_INETD */
|
||||
|
||||
#if ENABLE_FEATURE_HTTPD_RELOAD_CONFIG_SIGHUP
|
||||
static void sighup_handler(int sig)
|
||||
@ -1834,7 +1813,9 @@ enum {
|
||||
USE_FEATURE_HTTPD_BASIC_AUTH( r_opt_realm ,)
|
||||
USE_FEATURE_HTTPD_AUTH_MD5( m_opt_md5 ,)
|
||||
USE_FEATURE_HTTPD_SETUID( u_opt_setuid ,)
|
||||
USE_FEATURE_HTTPD_WITHOUT_INETD( p_opt_port ,)
|
||||
p_opt_port ,
|
||||
p_opt_inetd ,
|
||||
p_opt_foreground,
|
||||
OPT_CONFIG_FILE = 1 << c_opt_config_file,
|
||||
OPT_DECODE_URL = 1 << d_opt_decode_url,
|
||||
OPT_HOME_HTTPD = 1 << h_opt_home_httpd,
|
||||
@ -1842,7 +1823,9 @@ enum {
|
||||
OPT_REALM = USE_FEATURE_HTTPD_BASIC_AUTH( (1 << r_opt_realm )) + 0,
|
||||
OPT_MD5 = USE_FEATURE_HTTPD_AUTH_MD5( (1 << m_opt_md5 )) + 0,
|
||||
OPT_SETUID = USE_FEATURE_HTTPD_SETUID( (1 << u_opt_setuid )) + 0,
|
||||
OPT_PORT = USE_FEATURE_HTTPD_WITHOUT_INETD( (1 << p_opt_port )) + 0,
|
||||
OPT_PORT = 1 << p_opt_port,
|
||||
OPT_INETD = 1 << p_opt_inetd,
|
||||
OPT_FOREGROUND = 1 << p_opt_foreground,
|
||||
};
|
||||
|
||||
static const char httpd_opts[] = "c:d:h:"
|
||||
@ -1850,7 +1833,7 @@ static const char httpd_opts[] = "c:d:h:"
|
||||
USE_FEATURE_HTTPD_BASIC_AUTH("r:")
|
||||
USE_FEATURE_HTTPD_AUTH_MD5("m:")
|
||||
USE_FEATURE_HTTPD_SETUID("u:")
|
||||
USE_FEATURE_HTTPD_WITHOUT_INETD("p:");
|
||||
"p:if";
|
||||
|
||||
|
||||
int httpd_main(int argc, char *argv[])
|
||||
@ -1859,22 +1842,16 @@ int httpd_main(int argc, char *argv[])
|
||||
const char *home_httpd = home;
|
||||
char *url_for_decode;
|
||||
USE_FEATURE_HTTPD_ENCODE_URL_STR(const char *url_for_encode;)
|
||||
USE_FEATURE_HTTPD_WITHOUT_INETD(const char *s_port;)
|
||||
|
||||
const char *s_port;
|
||||
USE_FEATURE_HTTPD_SETUID(const char *s_ugid = NULL;)
|
||||
USE_FEATURE_HTTPD_SETUID(struct bb_uidgid_t ugid;)
|
||||
|
||||
USE_FEATURE_HTTPD_AUTH_MD5(const char *pass;)
|
||||
|
||||
config = xzalloc(sizeof(*config));
|
||||
#if ENABLE_FEATURE_HTTPD_BASIC_AUTH
|
||||
config->realm = "Web Server Authentication";
|
||||
#endif
|
||||
|
||||
#if ENABLE_FEATURE_HTTPD_WITHOUT_INETD
|
||||
config->port = 80;
|
||||
#endif
|
||||
|
||||
config->ContentLength = -1;
|
||||
|
||||
opt = getopt32(argc, argv, httpd_opts,
|
||||
@ -1883,9 +1860,8 @@ int httpd_main(int argc, char *argv[])
|
||||
USE_FEATURE_HTTPD_BASIC_AUTH(, &(config->realm))
|
||||
USE_FEATURE_HTTPD_AUTH_MD5(, &pass)
|
||||
USE_FEATURE_HTTPD_SETUID(, &s_ugid)
|
||||
USE_FEATURE_HTTPD_WITHOUT_INETD(, &s_port)
|
||||
, &s_port
|
||||
);
|
||||
|
||||
if (opt & OPT_DECODE_URL) {
|
||||
printf("%s", decodeString(url_for_decode, 1));
|
||||
return 0;
|
||||
@ -1902,9 +1878,9 @@ int httpd_main(int argc, char *argv[])
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
#if ENABLE_FEATURE_HTTPD_WITHOUT_INETD
|
||||
if (opt & OPT_PORT)
|
||||
config->port = xatou16(s_port);
|
||||
|
||||
#if ENABLE_FEATURE_HTTPD_SETUID
|
||||
if (opt & OPT_SETUID) {
|
||||
char *e;
|
||||
@ -1922,25 +1898,23 @@ int httpd_main(int argc, char *argv[])
|
||||
"name '%s'", s_ugid);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
#endif
|
||||
|
||||
xchdir(home_httpd);
|
||||
#if ENABLE_FEATURE_HTTPD_WITHOUT_INETD
|
||||
config->server_socket = openServer();
|
||||
# if ENABLE_FEATURE_HTTPD_SETUID
|
||||
/* drop privileges */
|
||||
if (opt & OPT_SETUID) {
|
||||
if (ugid.gid != (gid_t)-1) {
|
||||
// FIXME: needed?
|
||||
//if (setgroups(1, &ugid.gid) == -1)
|
||||
// bb_perror_msg_and_die("setgroups");
|
||||
xsetgid(ugid.gid);
|
||||
if (!(opt & OPT_INETD)) {
|
||||
config->server_socket = openServer();
|
||||
#if ENABLE_FEATURE_HTTPD_SETUID
|
||||
/* drop privileges */
|
||||
if (opt & OPT_SETUID) {
|
||||
if (ugid.gid != (gid_t)-1) {
|
||||
if (setgroups(1, &ugid.gid) == -1)
|
||||
bb_perror_msg_and_die("setgroups");
|
||||
xsetgid(ugid.gid);
|
||||
}
|
||||
xsetuid(ugid.uid);
|
||||
}
|
||||
xsetuid(ugid.uid);
|
||||
}
|
||||
# endif
|
||||
#endif
|
||||
}
|
||||
|
||||
#if ENABLE_FEATURE_HTTPD_CGI
|
||||
{
|
||||
@ -1950,10 +1924,9 @@ int httpd_main(int argc, char *argv[])
|
||||
}
|
||||
clearenv();
|
||||
if (p)
|
||||
setenv("PATH", p, 1);
|
||||
# if ENABLE_FEATURE_HTTPD_WITHOUT_INETD
|
||||
setenv_long("SERVER_PORT", config->port);
|
||||
# endif
|
||||
setenv1("PATH", p);
|
||||
if (!(opt & OPT_INETD))
|
||||
setenv_long("SERVER_PORT", config->port);
|
||||
}
|
||||
#endif
|
||||
|
||||
@ -1963,12 +1936,10 @@ int httpd_main(int argc, char *argv[])
|
||||
parse_conf(default_path_httpd_conf, FIRST_PARSE);
|
||||
#endif
|
||||
|
||||
#if ENABLE_FEATURE_HTTPD_WITHOUT_INETD
|
||||
# if !DEBUG
|
||||
xdaemon(1, 0); /* don't change current directory */
|
||||
# endif
|
||||
if (opt & OPT_INETD)
|
||||
return miniHttpd_inetd();
|
||||
|
||||
if (!(opt & OPT_FOREGROUND))
|
||||
xdaemon(1, 0); /* don't change current directory */
|
||||
return miniHttpd(config->server_socket);
|
||||
#else
|
||||
return miniHttpd();
|
||||
#endif
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user