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cgi: deal with all methods correctly

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This commit is contained in:
Andy Green 2016-08-20 06:34:46 +08:00
parent 90f513b209
commit 1172a89bb3
1 changed files with 28 additions and 7 deletions
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35
lib/libwebsockets.c
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@ -1808,7 +1808,7 @@ lws_cgi(struct lws *wsi, const char * const *exec_array, int script_uri_path_len
char *env_array[30], cgi_path[400], e[1024], *p = e,
*end = p + sizeof(e) - 1, tok[256], *t;
struct lws_cgi *cgi;
int n, m, i, uritok = WSI_TOKEN_GET_URI;
int n, m, i, uritok = -1;
/*
* give the master wsi a cgi struct
@ -1883,16 +1883,37 @@ lws_cgi(struct lws *wsi, const char * const *exec_array, int script_uri_path_len
if (lws_is_ssl(wsi))
env_array[n++] = "HTTPS=ON";
if (wsi->u.hdr.ah) {
if (lws_hdr_total_length(wsi, WSI_TOKEN_POST_URI))
uritok = WSI_TOKEN_POST_URI;
static const unsigned char meths[] = {
WSI_TOKEN_GET_URI,
WSI_TOKEN_POST_URI,
WSI_TOKEN_OPTIONS_URI,
WSI_TOKEN_PUT_URI,
WSI_TOKEN_PATCH_URI,
WSI_TOKEN_DELETE_URI,
};
static const char * const meth_names[] = {
"GET", "POST", "OPTIONS", "PUT", "PATCH", "DELETE",
};
for (m = 0; m < ARRAY_SIZE(meths); m++)
if (lws_hdr_total_length(wsi, meths[m]) >=
script_uri_path_len) {
uritok = meths[m];
break;
}
if (uritok < 0)
goto bail3;
snprintf(cgi_path, sizeof(cgi_path) - 1, "REQUEST_URI=%s",
lws_hdr_simple_ptr(wsi, uritok));
cgi_path[sizeof(cgi_path) - 1] = '\0';
env_array[n++] = cgi_path;
if (uritok == WSI_TOKEN_POST_URI)
env_array[n++] = "REQUEST_METHOD=POST";
else
env_array[n++] = "REQUEST_METHOD=GET";
env_array[n++] = p;
p += snprintf(p, end - p, "REQUEST_METHOD=%s",
meth_names[m]);
p++;
env_array[n++] = p;
p += snprintf(p, end - p, "QUERY_STRING=");