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; }