/*
**  Copyright (c) 2005-2008 Sendmail, Inc. and its suppliers.
**    All rights reserved.
**
**  Copyright (c) 2009, 2011, 2012, The Trusted Domain Project.
**    All rights reserved.
**
**  Copyright (c) 2026, OpenDKIM contributors.
**    All rights reserved.
*/

#include "build-config.h"

/* system includes */
#include <sys/types.h>
#include <assert.h>
#include <string.h>
#include <stdio.h>


/* libopendkim includes */
#include "../dkim.h"
#include "t-testdata.h"

#define	MAXHEADER	4096

#define SIG2 "v=1; a=rsa-sha256; c=relaxed/relaxed; d=example.com; s=test; t=1172620939; bh=M/SdHqgHW+5oSTDvtcXZAz24K8xxJWs4lBHS3cTPuHQ=; l=366; h=Received:Received:Received:Received:From:To:Date:Subject:Message-ID; b=rbusjurkgQInVblVX+ztpRCvEYqh+lpW0aEbhdHzkxyCeCpAZrsCAvM5iqt8Lm36UmFu5ct7hWufzE2GkIGD/yQGFpBOzJ6NvPiZ+GMLIBaV4bFBJalh3biJejjyVvh1WjeCSjYEEAmu2/+enhteL/0yd98eEspKb9sdAmXGaxc="

/*
**  MAIN -- program mainline
**
**  Parameters:
**  	The usual.
**
**  Return value:
**  	Exit status.
*/

int
main(int argc, char **argv)
{
	u_int flags;
	int bits;
	ssize_t msglen;
	ssize_t canonlen;
	ssize_t signlen;
	dkim_alg_t signalg;
	uint64_t signtime;
	dkim_canon_t hcanon;
	dkim_canon_t bcanon;
	DKIM_STAT status;
	DKIM *dkim;
	DKIM_LIB *lib;
	DKIM_SIGINFO *sig;
	dkim_query_t qtype = DKIM_QUERY_FILE;
	unsigned char hdr[MAXHEADER + 1];

	printf("*** exercise dkim_sig_*() utility functions\n");


	/* instantiate the library */
	lib = dkim_init(NULL, NULL);
	assert(lib != NULL);

#ifdef TEST_KEEP_FILES
	/* set flags */
	flags = (DKIM_LIBFLAGS_TMPFILES|DKIM_LIBFLAGS_KEEPFILES);
	(void) dkim_setopt(lib, DKIM_OPTS_FLAGS, &flags,
	                    sizeof flags);
#endif /* TEST_KEEP_FILES */

	(void) dkim_getopt(lib, DKIM_OPTS_FLAGS, &flags,
	                    sizeof flags);
	flags |= DKIM_LIBFLAGS_SIGNLEN;
	(void) dkim_setopt(lib, DKIM_OPTS_FLAGS, &flags,
	                    sizeof flags);

	(void) dkim_setopt(lib, DKIM_OPTS_QUERYMETHOD,
	                    &qtype, sizeof qtype);
	(void) dkim_setopt(lib, DKIM_OPTS_QUERYINFO,
	                    KEYFILE, strlen(KEYFILE));

	dkim = dkim_verify(lib, JOBID, NULL, &status);
	assert(dkim != NULL);

	snprintf(hdr, sizeof hdr, "%s: %s", DKIM_SIGNHEADER, SIG2);
	status = dkim_header(dkim, hdr, strlen(hdr));
	assert(status == DKIM_STAT_OK);

	status = dkim_header(dkim, HEADER01, strlen(HEADER01));
	assert(status == DKIM_STAT_OK);

	status = dkim_header(dkim, HEADER02, strlen(HEADER02));
	assert(status == DKIM_STAT_OK);

	status = dkim_header(dkim, HEADER03, strlen(HEADER03));
	assert(status == DKIM_STAT_OK);

	status = dkim_header(dkim, HEADER04, strlen(HEADER04));
	assert(status == DKIM_STAT_OK);

	status = dkim_header(dkim, HEADER05, strlen(HEADER05));
	assert(status == DKIM_STAT_OK);

	status = dkim_header(dkim, HEADER06, strlen(HEADER06));
	assert(status == DKIM_STAT_OK);

	status = dkim_header(dkim, HEADER07, strlen(HEADER07));
	assert(status == DKIM_STAT_OK);

	status = dkim_header(dkim, HEADER08, strlen(HEADER08));
	assert(status == DKIM_STAT_OK);

	status = dkim_header(dkim, HEADER09, strlen(HEADER09));
	assert(status == DKIM_STAT_OK);

	status = dkim_eoh(dkim);
	assert(status == DKIM_STAT_OK);

	status = dkim_body(dkim, BODY00, strlen(BODY00));
	assert(status == DKIM_STAT_OK);

	status = dkim_body(dkim, BODY01, strlen(BODY01));
	assert(status == DKIM_STAT_OK);

	status = dkim_body(dkim, BODY01A, strlen(BODY01A));
	assert(status == DKIM_STAT_OK);
	status = dkim_body(dkim, BODY01B, strlen(BODY01B));
	assert(status == DKIM_STAT_OK);
	status = dkim_body(dkim, BODY01C, strlen(BODY01C));
	assert(status == DKIM_STAT_OK);
	status = dkim_body(dkim, BODY01D, strlen(BODY01D));
	assert(status == DKIM_STAT_OK);
	status = dkim_body(dkim, BODY01E, strlen(BODY01E));
	assert(status == DKIM_STAT_OK);

	status = dkim_body(dkim, BODY02, strlen(BODY02));
	assert(status == DKIM_STAT_OK);

	status = dkim_body(dkim, BODY03, strlen(BODY03));
	assert(status == DKIM_STAT_OK);

	status = dkim_body(dkim, BODY04, strlen(BODY04));
	assert(status == DKIM_STAT_OK);

	status = dkim_body(dkim, BODY03, strlen(BODY03));
	assert(status == DKIM_STAT_OK);

	status = dkim_body(dkim, BODY03, strlen(BODY03));
	assert(status == DKIM_STAT_OK);

	status = dkim_body(dkim, BODY05, strlen(BODY05));
	assert(status == DKIM_STAT_OK);

	status = dkim_body(dkim, BODY03, strlen(BODY03));
	assert(status == DKIM_STAT_OK);

	status = dkim_body(dkim, BODY03, strlen(BODY03));
	assert(status == DKIM_STAT_OK);

	status = dkim_body(dkim, BODY06, strlen(BODY06));
	assert(status == DKIM_STAT_OK);

	status = dkim_eom(dkim, NULL);
	assert(status == DKIM_STAT_OK);

	sig = dkim_getsignature(dkim);
	assert(sig != NULL);

	status = dkim_sig_getcanonlen(dkim, sig, &msglen, &canonlen, &signlen);
	assert(status == DKIM_STAT_OK);
	assert(msglen == 369);
	assert(canonlen == 366);
	assert(signlen == 366);

	status = dkim_sig_getkeysize(sig, &bits);
	assert(status == DKIM_STAT_OK);
	assert(bits == 1024);

	status = dkim_sig_getsignalg(sig, &signalg);
	assert(status == DKIM_STAT_OK);
	assert(signalg == DKIM_SIGN_RSASHA256);

	status = dkim_sig_getsigntime(sig, &signtime);
	assert(status == DKIM_STAT_OK);
	assert(signtime == 1172620939);

	assert(dkim_sig_geterror(sig) == DKIM_SIGERROR_OK);
	assert(strcmp(dkim_sig_geterrorstr(dkim_sig_geterror(sig)),
	              "no signature error") == 0);

	status = dkim_sig_getcanons(sig, &hcanon, &bcanon);
	assert(status == DKIM_STAT_OK);
	assert(hcanon == DKIM_CANON_RELAXED);
	assert(bcanon == DKIM_CANON_RELAXED);

	status = dkim_free(dkim);
	assert(status == DKIM_STAT_OK);

	dkim_close(lib);

	return 0;
}
