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Code

cgi file uploads now work above 1kB in size

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git-svn-id: svn://svn.code.sf.net/p/axtls/code/trunk@157 9a5d90b5-6617-0410-8a86-bb477d3ed2e3
This commit is contained in:
cameronrich 2009-02-27 11:19:34 +00:00
parent 38e6b1e2fc
commit 68a71ccc40
2 changed files with 31 additions and 28 deletions
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5
httpd/axhttp.h
View File

@ -36,8 +36,10 @@
#define HAVE_IPV6
#endif
#define MAXPOSTDATASIZE 30000
#define MAXPOSTDATASIZE 30000 /* adjust for file upload
size*/
#define MAXREQUESTLENGTH 256
#define MAXREADLENGTH 8800 /* FF3=4096, IE7=8760 */
#define BLOCKSIZE 4096
#define INITIAL_CONNECTION_SLOTS 10
@ -87,6 +89,7 @@ struct connstruct
#if defined(CONFIG_HTTP_HAS_CGI)
uint8_t is_cgi;
char cgicontenttype[MAXREQUESTLENGTH];
#ifdef CONFIG_HTTP_ENABLE_LUA
uint8_t is_lua;
#endif

54
httpd/proc.c
View File

@ -159,6 +159,10 @@ static int procheadelem(struct connstruct *cn, char *buf)
{
sscanf(value, "%d", &cn->content_length);
}
else if (strcmp(buf, "Content-Type:") == 0)
{
my_strncpy(cn->cgicontenttype, value, MAXREQUESTLENGTH);
}
else if (strcmp(buf, "Cookie:") == 0)
{
my_strncpy(cn->cookie, value, MAXREQUESTLENGTH);
@ -301,10 +305,10 @@ static void urlencode(const uint8_t *s, char *t)
void procreadhead(struct connstruct *cn)
{
char buf[MAXREQUESTLENGTH*4], *tp, *next;
char buf[MAXREADLENGTH], *tp, *next;
int rv;
memset(buf, 0, MAXREQUESTLENGTH*4);
memset(buf, 0, sizeof(buf));
rv = special_read(cn, buf, sizeof(buf)-1);
if (rv <= 0)
{
@ -329,7 +333,7 @@ void procreadhead(struct connstruct *cn)
#if defined(CONFIG_HTTP_HAS_CGI)
if (cn->reqtype == TYPE_POST && cn->content_length > 0)
{
if (init_read_post_data(buf,next,cn,rv) == 0)
if (init_read_post_data(buf, next, cn, rv) == 0)
return;
}
#endif
@ -390,7 +394,6 @@ void procsendhead(struct connstruct *cn)
file_exists = stat(cn->actualfile, &stbuf);
#if defined(CONFIG_HTTP_HAS_CGI)
if (file_exists != -1 && cn->is_cgi)
{
if ((stbuf.st_mode & S_IEXEC) == 0 || isdir(cn->actualfile))
@ -669,13 +672,15 @@ static void proccgi(struct connstruct *cn)
type = "GET";
break;
#if defined(CONFIG_HTTP_HAS_CGI)
case TYPE_POST:
type = "POST";
sprintf(cgienv[cgi_index++],
"CONTENT_LENGTH=%d", cn->content_length);
strcpy(cgienv[cgi_index++], /* hard-code? */
"CONTENT_TYPE=application/x-www-form-urlencoded");
snprintf(cgienv[cgi_index++], MAXREQUESTLENGTH,
"CONTENT_TYPE=%s", cn->cgicontenttype);
break;
#endif
}
sprintf(cgienv[cgi_index++], "REQUEST_METHOD=%s", type);
@ -746,7 +751,9 @@ static void decode_path_info(struct connstruct *cn, char *path_info)
{
char *cgi_delim;
#if defined(CONFIG_HTTP_HAS_CGI)
cn->is_cgi = 0;
#endif
#ifdef CONFIG_HTTP_ENABLE_LUA
cn->is_lua = 0;
#endif
@ -763,6 +770,7 @@ static void decode_path_info(struct connstruct *cn, char *path_info)
my_strncpy(cn->uri_query, cgi_delim+1, MAXREQUESTLENGTH);
}
#if defined(CONFIG_HTTP_HAS_CGI)
if ((cgi_delim = cgi_filetype_match(cn, path_info)) != NULL)
{
cn->is_cgi = 1; /* definitely a CGI script */
@ -774,6 +782,7 @@ static void decode_path_info(struct connstruct *cn, char *path_info)
*cgi_delim = '\0';
}
}
#endif
/* the bit at the start must be the script name */
my_strncpy(cn->filereq, path_info, MAXREQUESTLENGTH);
@ -787,7 +796,7 @@ static int init_read_post_data(char *buf, char *data,
char *post_data;
/* Too much Post data to send. MAXPOSTDATASIZE should be
configured (now it can be chaged in the header file) */
configured (now it can be changed in the header file) */
if (cn->content_length > MAXPOSTDATASIZE)
{
send_error(cn, 418);
@ -800,17 +809,9 @@ static int init_read_post_data(char *buf, char *data,
if (cn->post_data == NULL)
{
cn->post_data = (char *) calloc(1, (cn->content_length + 1));
/* Allocate buffer for the POST data that will be used by proccgi
to send POST data to the CGI script */
if (cn->post_data == NULL)
{
printf("axhttpd: could not allocate memory for POST data\n");
TTY_FLUSH();
send_error(cn, 599);
return 0;
}
cn->post_data = (char *)ax_calloc(1, (cn->content_length + 1));
}
cn->post_state = 0;
@ -819,10 +820,8 @@ static int init_read_post_data(char *buf, char *data,
while (next < &buf[rv])
{
/*copy POST data to buffer*/
*post_data = *next;
post_data++;
next++;
/* copy POST data to buffer */
*post_data++ = *next++;
cn->post_read++;
if (cn->post_read == cn->content_length)
{
@ -839,11 +838,11 @@ static int init_read_post_data(char *buf, char *data,
void read_post_data(struct connstruct *cn)
{
char buf[MAXREQUESTLENGTH*4], *next;
char buf[MAXREADLENGTH], *next;
char *post_data;
int rv;
bzero(buf,MAXREQUESTLENGTH*4);
memset(buf, 0, sizeof(buf));
rv = special_read(cn, buf, sizeof(buf)-1);
if (rv <= 0)
{
@ -854,15 +853,13 @@ void read_post_data(struct connstruct *cn)
buf[rv] = '\0';
next = buf;
post_data = &cn->post_data[cn->post_read];
while (next < &buf[rv])
{
*post_data = *next;
post_data++;
next++;
*post_data++ = *next++;
cn->post_read++;
if (cn->post_read == cn->content_length)
{
/* No more POST data to be copied */
@ -1174,7 +1171,7 @@ static void send_error(struct connstruct *cn, int err)
break;
case 418:
title = "POST data size is to large";
title = "POST data size is too large";
text = title;
break;
@ -1191,6 +1188,9 @@ static void send_error(struct connstruct *cn, int err)
"<html>\n<head>\n<title>%d %s</title></head>\n"
"<body><h1>%d %s</h1>\n</body></html>\n",
err, title, err, title, err, text);
#ifdef CONFIG_HTTP_VERBOSE
printf("axhttpd: http error: %s [%d]\n", title, err); TTY_FLUSH();
#endif
special_write(cn, buf, strlen(buf));
removeconnection(cn);
}