rfc822: Rename RFC822_HDR_BAD_NAME constant

[ccan] / ccan / rfc822 / test / run-bad-header-name-chars.c

diff --git a/ccan/rfc822/test/run-bad-header-name-chars.c b/ccan/rfc822/test/run-bad-header-name-chars.c
new file mode 100644 (file)
index 0000000..532f307
--- /dev/null
+++ b/ccan/rfc822/test/run-bad-header-name-chars.c
@@ -0,0 +1,95 @@
+#include <ccan/foreach/foreach.h>
+#include <ccan/failtest/failtest_override.h>
+#include <ccan/failtest/failtest.h>
+#include <ccan/tap/tap.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define CCAN_RFC822_DEBUG
+
+#include <ccan/rfc822/rfc822.h>
+
+#include <ccan/rfc822/rfc822.c>
+
+#include "testdata.h"
+#include "helper.h"
+
+#define NAME_TEMPLATE          "X-Bad-Header"
+#define NAME_TEMPLATE_LEN      (strlen(NAME_TEMPLATE))
+
+const char bad_name_template[] =
+       NAME_TEMPLATE ": This is a good header that will become bad\n";
+
+static bool bad_name(const char *buf, char c)
+{
+       struct rfc822_msg *msg;
+       struct rfc822_header *hdr;
+       enum rfc822_header_errors errs;
+       struct bytestring hname;
+
+       msg = rfc822_start(NULL, buf, strlen(buf));
+
+       allocation_failure_check();
+
+       hdr = rfc822_first_header(msg);
+       ok1(hdr);
+
+       allocation_failure_check();
+
+       errs = rfc822_header_errors(msg, hdr);
+
+       allocation_failure_check();
+
+       ok1(!(errs & ~RFC822_HDR_BAD_NAME_CHARS));
+
+       /* Check raw_name still works properly */
+       hname = rfc822_header_raw_name(msg, hdr);
+
+       allocation_failure_check();
+
+       ok1(hname.ptr && hname.len == NAME_TEMPLATE_LEN);
+       ok1((hname.ptr[0] == c) &&
+           (memcmp(hname.ptr + 1, NAME_TEMPLATE + 1, NAME_TEMPLATE_LEN - 1) == 0));
+
+       rfc822_free(msg);
+
+       allocation_failure_check();
+
+       return !!(errs & RFC822_HDR_BAD_NAME_CHARS);
+}
+
+int main(int argc, char *argv[])
+{
+       char c;
+
+       failtest_setup(argc, argv);
+
+       plan_tests(5 * (1 + 3 + 4));
+
+       ok1(!bad_name(bad_name_template, bad_name_template[0]));
+
+       /* Good characters */
+       foreach_int(c, 'a', 'Z', '3') {
+               char *tmp = strdup(bad_name_template);
+
+               tmp[0] = c;
+
+               ok1(!bad_name(tmp, c));
+
+               free(tmp);
+       }
+
+       /* Bad characters */
+       foreach_int(c, ' ', '\t', '\b', '\x80') {
+               char *tmp = strdup(bad_name_template);
+
+               tmp[0] = c;
+
+               ok1(bad_name(tmp, c));
+
+               free(tmp);
+       }
+
+       /* This exits depending on whether all tests passed */
+       failtest_exit(exit_status());
+}