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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 09:51:24 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 09:51:24 +0000
commitf7548d6d28c313cf80e6f3ef89aed16a19815df1 (patch)
treea3f6f2a3f247293bee59ecd28e8cd8ceb6ca064a /src/lib-imap/fuzz-imap-bodystructure.c
parentInitial commit. (diff)
downloaddovecot-upstream.tar.xz
dovecot-upstream.zip
Adding upstream version 1:2.3.19.1+dfsg1.upstream/1%2.3.19.1+dfsg1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--src/lib-imap/fuzz-imap-bodystructure.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/src/lib-imap/fuzz-imap-bodystructure.c b/src/lib-imap/fuzz-imap-bodystructure.c
new file mode 100644
index 0000000..a9d4499
--- /dev/null
+++ b/src/lib-imap/fuzz-imap-bodystructure.c
@@ -0,0 +1,52 @@
+/* Copyright (c) 2020 Dovecot authors, see the included COPYING file */
+
+#include "lib.h"
+#include "str.h"
+#include "fuzzer.h"
+#include "imap-bodystructure.c"
+#include <ctype.h>
+
+static const char *str_sanitize_binary(const char *input)
+{
+ string_t *dest = t_str_new(strlen(input));
+ for (;*input != '\0';input++) {
+ if (i_isprint(*input) == 0)
+ str_printfa(dest, "<%02x>", (unsigned char)*input);
+ else
+ str_append_c(dest, *input);
+ }
+ return str_c(dest);
+}
+
+FUZZ_BEGIN_STR(const char *str)
+{
+ pool_t pool =
+ pool_alloconly_create(MEMPOOL_GROWING"fuzz bodystructure", 1024);
+ struct message_part parts;
+ string_t *dest = str_new(pool, 32);
+ const char *error ATTR_UNUSED;
+ i_zero(&parts);
+
+ if (imap_bodystructure_parse(str, pool, &parts, &error) == 0) {
+ if (imap_bodystructure_write(&parts, dest, TRUE, &error) < 0)
+ i_panic("Failed to write bodystructure: %s", error);
+ /* The written bodystructure must be parseable *and*
+ it must come out exactly the same again */
+ if (imap_bodystructure_parse(str_c(dest), pool, &parts, &error) != 0) {
+ i_panic("Failed to reparse bodystructure '%s'",
+ str_sanitize_binary(str_c(dest)));
+ } else {
+ const char *new_str = t_strdup(str_c(dest));
+ str_truncate(dest, 0);
+ if (imap_bodystructure_write(&parts, dest, TRUE, &error) < 0)
+ i_panic("Failed to write reparsed bodystructure: %s", error);
+ if (strcmp(str_c(dest), new_str) != 0) {
+ i_panic("Parsed bodystructure '%s' does not match '%s'",
+ str_sanitize_binary(new_str),
+ str_sanitize_binary(str_c(dest)));
+ }
+ }
+ }
+ pool_unref(&pool);
+}
+FUZZ_END