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httpd: cosmetic fixes, no code changes

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2010-07-25 03:20:25 +02:00
parent 451add4f23
commit 535ce1df5c
1 changed files with 23 additions and 30 deletions
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53
networking/httpd.c
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@ -5,23 +5,20 @@
* Copyright (C) 2002,2003 Glenn Engel <glenne@engel.org>
* Copyright (C) 2003-2006 Vladimir Oleynik <dzo@simtreas.ru>
*
* simplify patch stolen from libbb without using strdup
*
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*
*****************************************************************************
*
* Typical usage:
* for non root user
* httpd -p 8080 -h $HOME/public_html
* or for daemon start from rc script with uid=0:
* httpd -u www
* This is equivalent if www user have uid=80 to
* httpd -p 80 -u 80 -h /www -c /etc/httpd.conf -r "Web Server Authentication"
* For non root user:
* httpd -p 8080 -h $HOME/public_html
* For daemon start from rc script with uid=0:
* httpd -u www
* which is equivalent to (assuming user www has uid 80):
* httpd -p 80 -u 80 -h $PWD -c /etc/httpd.conf -r "Web Server Authentication"
*
*
* When an url starts by "/cgi-bin/" it is assumed to be a cgi script. The
* server changes directory to the location of the script and executes it
* When an url starts with "/cgi-bin/" it is assumed to be a cgi script.
* The server changes directory to the location of the script and executes it
* after setting QUERY_STRING and other environment variables.
*
* Doc:
@ -29,8 +26,8 @@
*
* The applet can also be invoked as an url arg decoder and html text encoder
* as follows:
* foo=`httpd -d $foo` # decode "Hello%20World" as "Hello World"
* bar=`httpd -e "<Hello World>"` # encode as "&#60Hello&#32World&#62"
* foo=`httpd -d $foo` # decode "Hello%20World" as "Hello World"
* bar=`httpd -e "<Hello World>"` # encode as "&#60Hello&#32World&#62"
* Note that url encoding for arguments is not the same as html encoding for
* presentation. -d decodes an url-encoded argument while -e encodes in html
* for page display.
@ -100,15 +97,14 @@
#if ENABLE_FEATURE_HTTPD_USE_SENDFILE
# include <sys/sendfile.h>
#endif
#define DEBUG 0
#define IOBUF_SIZE 8192 /* IO buffer */
/* amount of buffering in a pipe */
#ifndef PIPE_BUF
# define PIPE_BUF 4096
#endif
#define DEBUG 0
#define IOBUF_SIZE 8192
#if PIPE_BUF >= IOBUF_SIZE
# error "PIPE_BUF >= IOBUF_SIZE"
#endif
@ -118,6 +114,7 @@
static const char DEFAULT_PATH_HTTPD_CONF[] ALIGN1 = "/etc";
static const char HTTPD_CONF[] ALIGN1 = "httpd.conf";
static const char HTTP_200[] ALIGN1 = "HTTP/1.0 200 OK\r\n";
static const char index_html[] ALIGN1 = "index.html";
typedef struct has_next_ptr {
struct has_next_ptr *next;
@ -170,7 +167,6 @@ enum {
HTTP_PAYMENT_REQUIRED = 402,
HTTP_BAD_GATEWAY = 502,
HTTP_SERVICE_UNAVAILABLE = 503, /* overload, maintenance */
HTTP_RESPONSE_SETSIZE = 0xffffffff
#endif
};
@ -231,9 +227,6 @@ static const struct {
#endif
};
static const char index_html[] ALIGN1 = "index.html";
struct globals {
int verbose; /* must be int (used by getopt32) */
smallint flg_deny_all;
@ -777,7 +770,7 @@ static char *encodeString(const char *string)
char *p = out;
char ch;
while ((ch = *string++)) {
while ((ch = *string++) != '\0') {
/* very simple check for what to encode */
if (isalnum(ch))
*p++ = ch;
@ -787,7 +780,7 @@ static char *encodeString(const char *string)
*p = '\0';
return out;
}
#endif /* FEATURE_HTTPD_ENCODE_URL_STR */
#endif
/*
* Given a URL encoded string, convert it to plain ascii.
@ -814,12 +807,12 @@ static unsigned hex_to_bin(unsigned char c)
if (v <= 5)
return v + 10;
return ~0;
}
/* For testing:
void t(char c) { printf("'%c'(%u) %u\n", c, c, hex_to_bin(c)); }
int main() { t(0x10); t(0x20); t('0'); t('9'); t('A'); t('F'); t('a'); t('f');
t('0'-1); t('9'+1); t('A'-1); t('F'+1); t('a'-1); t('f'+1); return 0; }
*/
}
static char *decodeString(char *orig, int option_d)
{
/* note that decoded string is always shorter than original */
@ -1964,7 +1957,7 @@ static void handle_incoming_and_exit(const len_and_sockaddr *fromAddr)
if (http_major_version >= '0') {
/* Request was with "... HTTP/nXXX", and n >= 0 */
/* Read until blank line for HTTP version specified, else parse immediate */
/* Read until blank line */
while (1) {
if (!get_line())
break; /* EOF or error or empty line */
@ -1991,9 +1984,9 @@ static void handle_incoming_and_exit(const len_and_sockaddr *fromAddr)
if ((STRNCASECMP(iobuf, "Content-length:") == 0)) {
/* extra read only for POST */
if (prequest != request_GET
#if ENABLE_FEATURE_HTTPD_CGI
# if ENABLE_FEATURE_HTTPD_CGI
&& prequest != request_HEAD
#endif
# endif
) {
tptr = skip_whitespace(iobuf + sizeof("Content-length:") - 1);
if (!tptr[0])
@ -2183,9 +2176,9 @@ static void mini_httpd(int server_socket)
/* Wait for connections... */
fromAddr.len = LSA_SIZEOF_SA;
n = accept(server_socket, &fromAddr.u.sa, &fromAddr.len);
if (n < 0)
continue;
/* set the KEEPALIVE option to cull dead connections */
setsockopt(n, SOL_SOCKET, SO_KEEPALIVE, &const_int_1, sizeof(const_int_1));
@ -2226,9 +2219,9 @@ static void mini_httpd_nommu(int server_socket, int argc, char **argv)
/* Wait for connections... */
fromAddr.len = LSA_SIZEOF_SA;
n = accept(server_socket, &fromAddr.u.sa, &fromAddr.len);
if (n < 0)
continue;
/* set the KEEPALIVE option to cull dead connections */
setsockopt(n, SOL_SOCKET, SO_KEEPALIVE, &const_int_1, sizeof(const_int_1));