static int event_handler(sb_Event *e) {
if (e->type == SB_EV_REQUEST) {
printf("%s - %s %s\n", e->address, e->method, e->path);
sb_send_status(e->stream, 200, "OK");
sb_send_header(e->stream, "Content-Type", "text/plain");
sb_writef(e->stream, "Hello world");
}
return SB_RES_OK;
}
static int event_handler(sb_Event *e) {
if (e->type == SB_EV_REQUEST) {
char buf[512], *p;
/* Log request */
printf("%s - %s %s\n", e->address, e->method, e->path);
/* Get var and replace non-alpha numeric / space chars with underscore */
sb_get_var(e->stream, "q", buf, sizeof(buf));
for (p = buf; *p; p++) {
if ( !(isspace(*p) || isalnum(*p)) ) {
*p = '_';
}
}
/* Send page */
sb_send_status(e->stream, 200, "OK");
sb_send_header(e->stream, "Content-Type", "text/html");
sb_writef(e->stream,
"<!DOCTYPE html>"
"<html><body>q = '%s'<br><br>"
"<form method='post'><input type='text' name='q'></form>"
"</body></html>", buf);
}
return SB_RES_OK;
}
static int event_handler(sb_Event *e) {
if (e->type == SB_EV_REQUEST) {
const char *path;
struct stat s;
int err;
/* Log request */
printf("%s - %s %s\n", e->address, e->method, e->path);
/* Is the requested path valid? */
if (e->path[1] == '/' || strstr(e->path, ":/") || strstr(e->path, "..")) {
sb_send_status(e->stream, 400, "Bad request");
write_error_page(e->stream, "bad request");
return SB_RES_OK;
}
/* Convert to filesystem path */
if (e->path[1] == '\0') {
path = ".";
} else {
path = e->path + 1;
}
/* Get file info */
err = stat(path, &s);
/* Does file / dir exist? */
if (err == -1) {
sb_send_status(e->stream, 404, "Not found");
write_error_page(e->stream, "page not found");
return SB_RES_OK;
}
/* Handle directory */
if (S_ISDIR(s.st_mode)) {
DIR *dir;
struct dirent *ent;
/* Send page header */
sb_writef(e->stream,
"<html><head><title>Directory listing for %s</title></head>"
"<body><h2>Directory listing for %s</h2><hr><ul>",
e->path, e->path);
/* Send file list */
dir = opendir(path);
while ((ent = readdir (dir)) != NULL) {
if (!strcmp(ent->d_name, ".")) continue;
if (!strcmp(ent->d_name, "..")) continue;
sb_writef(e->stream, "<li><a href=\"/%s/%s\">%s%s</a></li>",
path, ent->d_name, ent->d_name,
ent->d_type == DT_DIR ? "/" : "");
}
closedir(dir);
/* Send page footer */
sb_writef(e->stream, "</ul></body></html>");
return SB_RES_OK;
}
/* Handle file */
err = sb_send_file(e->stream, path);
if (err) {
sb_send_status(e->stream, 500, "Internal server error");
write_error_page(e->stream, sb_error_str(err));
}
}
return SB_RES_OK;
}
static void write_error_page(sb_Stream *st, const char *text) {
sb_writef(st, "<html><body><h2>Error: %s</h2></body></html>\n", text);
}