void httpd_handler(int fd, char *url, char *buf) {
int idx, url_length;
char *cgi_params;
cgi_params = strchr(url, '?');
url_length = strlen(url);
if (cgi_params) {
url_length -= strlen(cgi_params);
}
for (idx = 0; pages[idx].page != NULL; idx++) {
if (!strncmp(url, pages[idx].page, url_length)) {
switch (pages[idx].type) {
case HTTPD_CGI:
case HTTPD_WWW:
httpd_header(fd, 200, NULL);
httpd_start_html(fd);
pages[idx].proc(fd, buf, cgi_params);
httpd_end_html(fd);
break;
case HTTPD_RAW:
httpd_header(fd, 200, NULL);
pages[idx].proc(fd, buf, cgi_params);
break;
case HTTPD_CGI_REDIRECT:
pages[idx].proc(fd, buf, cgi_params);
break;
}
return ;
}
}
httpd_www_404(fd, url, buf);
return ;
}
void httpd_www_404(int fd, char *url, char *args) {
httpd_header(fd, 404, NULL);
httpd_start_html(fd);
httpd_www_err(fd, "Not Found", args, "The requested URL %s was not found on this server.\n", url);
httpd_end_html(fd);
return ;
}
void httpd_www_syserr(int fd, char *str, char *args) {
httpd_header(fd, 200, NULL);
httpd_start_html(fd);
httpd_www_syserr_msg(fd, str, args);
httpd_end_html(fd);
return ;
}
static void httpd_on_cgi_child(const struct client_info *cinfo, pid_t child) {
if (child > 0) {
if (!USE_PARALLEL_CGI) {
httpd_wait_cgi_child(child, 0);
}
} else {
httpd_header(cinfo, 500, strerror(-child));
}
}
void httpd_www_gerror(int fd, char *title, char *raw, char *msg, ...) {
va_list ap;
char buf[1024];
va_start(ap, msg);
vsnprintf(buf, sizeof(buf), msg, ap);
va_end(ap);
httpd_header(fd, 200, NULL);
httpd_start_html(fd);
httpd_www_err(fd, title, raw, buf);
httpd_end_html(fd);
return ;
}
static void httpd_client_process(struct client_info *cinfo) {
struct http_req hreq;
int err;
char httpd_inbuf[BUFF_SZ];
char httpd_outbuf[BUFF_SZ];
if (0 > (err = httpd_build_request(cinfo, &hreq, httpd_inbuf, sizeof(httpd_inbuf)))) {
httpd_error("can't build request: %s", strerror(-err));
}
httpd_debug("method=%s uri_target=%s uri_query=%s",
hreq.method, hreq.uri.target, hreq.uri.query);
if (httpd_try_respond_file(cinfo, &hreq,
httpd_outbuf, sizeof(httpd_outbuf))) {
/* file sent, nothing to do */
} else {
httpd_header(cinfo, 404, "");
}
}
static void httpd_client_process(struct client_info *cinfo) {
struct http_req hreq;
pid_t cgi_child;
int err;
if ((err = httpd_build_request(cinfo, &hreq, httpd_g_inbuf, sizeof(httpd_g_inbuf)))) {
httpd_error("can't build request: %s", strerror(-err));
}
httpd_debug("method=%s uri_target=%s uri_query=%s",
hreq.method, hreq.uri.target, hreq.uri.query);
if ((cgi_child = httpd_try_respond_script(cinfo, &hreq))) {
httpd_on_cgi_child(cinfo, cgi_child);
} else if (USE_REAL_CMD && (cgi_child = httpd_try_respond_cmd(cinfo, &hreq))) {
httpd_on_cgi_child(cinfo, cgi_child);
} else if (httpd_try_respond_file(cinfo, &hreq,
httpd_g_outbuf, sizeof(httpd_g_outbuf))) {
/* file sent, nothing to do */
} else {
httpd_header(cinfo, 404, "");
}
}
int httpd_cgi_conf_compile(int fd, char *raw, char *cgi) {
char *nval, *old_www, *new_url;
int i;
lprintf("[ghost/notice] compiling config options ...\n");
if (!alt_cfg) {
lprintf("[ghost/notice] no alternative config hashtable, aborted!\n");
httpd_header(fd, 302, "/config.html");
return 0;
}
old_www = strdup(hashtable_lookup(cfg, "http-admin-url"));
if (!old_www) {
lerror("calloc");
httpd_header(fd, 302, "/config.html");
return 0;
}
for (i = 0; cfg_truthtable[i].tag != NULL; i++) {
if (cfg_truthtable[i].tag_mode == STATIC) {
continue;
}
nval = hashtable_lookup(alt_cfg, cfg_truthtable[i].tag);
if (nval) {
lprintf("[ghost/notice]\t* %s -> %s\n", cfg_truthtable[i].tag, nval);
hashtable_insert(cfg, cfg_truthtable[i].tag, nval);
hashtable_delete(alt_cfg, cfg_truthtable[i].tag);
}
}
if (!cfg_validate_all(cfg, GLITCH_MODE)) {
httpd_www_gerror(fd, "Validation Failed!", raw, \
"Unable to validate new configuration layout. Please refer to the <A HREF=\"/log.html\">log</A> for more details!");
free(old_www);
return 0;
}
proxy_build_limits();
lprintf("[ghost/notice] new config options are now in place!\n");
if (!strcmp(hashtable_lookup(cfg, "http-analyzer"), "off")) {
httpd_header(fd, 200, NULL);
httpd_msg_page(fd, "HTTP-ANALYZER", -1, NULL,
"You have choosen to deactivate the HTTP-ANALYZER option. <BR> \n \
Therefor the Web Interface is no longer accessable. <BR> \n \
You can manually reactivate it by restarting the program!");
free(old_www);
return 1;
}
