initial commit

check_token.c

@@ -0,0 +1,39 @@
+#include <libowfat/stralloc.h>
+#include <libowfat/errmsg.h>
+#include <libowfat/open.h>
+#include <libowfat/str.h>
+#include <errno.h>
+
+#include "nobotgate.h"
+
+int check_token(char *tokenfile, stralloc *token)
+{
+  int fd;
+  char buf[4096];
+  buffer b;
+  int r,found;
+  stralloc line;
+  fd = open_read(tokenfile);
+  if (fd < 0)
+    diesys(errno == ENOENT ? 100 : 111, "open_read ", tokenfile);
+  buffer_init_read(&b, fd, buf, sizeof(buf));
+  stralloc_init(&line);
+
+  found = 0;
+  for (;;) {
+    r = buffer_getnewline_sa(&b, &line);
+    if (r == 0) break;
+    if (r < 0) diesys(111, "failed reading tokenfile ", tokenfile);
+    stralloc_chomp(&line);
+    stralloc_0(&line);
+    line.s[str_chr(line.s, ' ')] = 0;
+    if (stralloc_equals(token, line.s)) {
+      found = 1;
+      break;
+    }
+  }
+
+  buffer_close(&b);
+  stralloc_free(&line);
+  return found;
+}