diff options
| -rw-r--r-- | networking/httpd.c | 53 |
1 files changed, 23 insertions, 30 deletions
diff --git a/networking/httpd.c b/networking/httpd.c index 8ad7e88..12bad59 100644 --- a/networking/httpd.c +++ b/networking/httpd.c @@ -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 "<Hello World>" + * foo=`httpd -d $foo` # decode "Hello%20World" as "Hello World" + * bar=`httpd -e "<Hello World>"` # encode as "<Hello World>" * 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)); |