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-rw-r--r--src/lib-mail/test-qp-encoder.c206
1 files changed, 206 insertions, 0 deletions
diff --git a/src/lib-mail/test-qp-encoder.c b/src/lib-mail/test-qp-encoder.c
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+++ b/src/lib-mail/test-qp-encoder.c
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+/* Copyright (c) 2017-2018 Dovecot authors, see the included COPYING file */
+
+#include "lib.h"
+#include "str.h"
+#include "qp-encoder.h"
+#include "test-common.h"
+
+struct test_quoted_printable_encode_data {
+ const void *input;
+ size_t input_len;
+ const char *output;
+ size_t max_line_len;
+};
+
+static void test_qp_encoder(void)
+{
+#define WHITESPACE10 " \t \t \t"
+#define WHITESPACE70 WHITESPACE10 WHITESPACE10 WHITESPACE10 WHITESPACE10 WHITESPACE10 WHITESPACE10 WHITESPACE10
+ static struct test_quoted_printable_encode_data tests[] = {
+ { "", 0, "", 20 },
+ { "a", 1, "a", 20 },
+ { "a b \r c d", 9, "a b =0D c d", 20 },
+ { "a b c d\r", 8, "a b c d=0D", 20 },
+ { "a b \n c d", 9, "a b \r\n c d", 20 },
+ {
+ "test wrap at max 20 characters tab\ttoo", 38,
+ "test wrap at max=20=\r\n20 characters tab=09=\r\ntoo",
+ 20
+ },
+ { "Invalid UTF-8 sequence in \x99", 27, "Invalid UTF-8 sequ=\r\nence in =99", 20 },
+ { "keep CRLF\r\non two lines", 23, "keep CRLF\r\non two lines", 20 },
+ /* Trailing whitespace should be followed by encoded char. */
+ { "Keep trailing whitesp\xC3\xA4""ce ", 26, "Keep trailing whit=\r\nesp=C3=A4ce =", 20 },
+ { "Keep trailing whitesp\xC3\xA4""ce\t", 26, "Keep trailing whitesp=C3=A4ce\t=", 67 },
+ { "Keep trailing whitesp\xC3\xA4""ce ", 26, "Keep trailing whitesp=C3=A4ce =", 67 },
+ { "Keep trailing whitesp\xC3\xA4""ce ", 28, "Keep trailing whitesp=C3=A4ce =", 67 },
+ { "Keep trailing whitesp\xC3\xA4""ce \t ", 28, "Keep trailing whitesp=C3=A4ce \t =", 67 },
+ { "Keep trailing whitesp\xC3\xA4""ce ", 29, "Keep trailing whitesp=C3=A4ce =", 67 },
+ { "Keep trailing whitesp\xC3\xA4""ce ", 30, "Keep trailing whitesp=C3=A4ce =", 67 },
+ { "Keep trailing whitesp\xC3\xA4""ce ", 31, "Keep trailing whitesp=C3=A4ce =", 67 },
+ /* Test line breaking */
+ { WHITESPACE70"1234567", 77, WHITESPACE70"1234=\r\n567", 76 },
+ { WHITESPACE70" 7", 77, WHITESPACE70" =20=\r\n 7", 76 },
+ { WHITESPACE70""WHITESPACE10"1", 81, WHITESPACE70" =20=\r\n\t \t \t1", 76 },
+ /* Control characters */
+ { "\x0C\x07", 2, "=0C=07", 20},
+ /* Data */
+ { "\xDE\xAD\xBE\xEF""deadbeef", 12 ,"=DE=AD=BE=EFdeadbe=\r\nef", 20 },
+ { "\xDE""de""\xAD""ad""\xBE""be""\xEF""ef", 12 ,"=DEde=ADad=BEbe=EF=\r\nef", 20 },
+ /* boundary delimiter */
+ { "___________ \xc3\x9c", 14, "___________ =C3=9C", 20 },
+ { "----------- \xc3\x9c", 14, "----------- =C3=9C", 20 },
+ { "=---------- \xc3\x9c", 14, "=3D---------- =C3=\r\n=9C", 20 },
+ { "=__________ \xc3\x9c", 14, "=3D__________ =C3=\r\n=9C", 20 },
+ /* mixed inputs */
+ { "\xed\xae\x80\xed\xbf\xbf", 6, "=ED=AE=80=ED=BF=BF", 20 },
+ { "f\x6f\x6f""bar\xae\x80\xed\xbf\xbf", 11, "foobar=AE=80=ED=BF=\r\n=BF", 20 },
+ {
+ "\xc3\x9c""ber\x6d\xc3\xa4\xc3\x9f\x69\x67\x0a\xe0\x80\x80 \xf0\x9d\x84\x9e", 21,
+ "=C3=9Cberm=C3=A4=C3=9Fig\r\n=E0=80=80 =F0=9D=84=9E",
+ 76
+ },
+ {
+ "\xc3\x9c""ber\x6d\xc3\xa4\xc3\x9f\x69\x67\x0a\xe0\x80\x80 \xf0\x9d\x84\x9e", 21,
+ "=C3=9Cberm=C3=A4=\r\n=C3=9Fig\r\n=E0=80=80 =F0=9D=\r\n=84=9E",
+ 20
+ },
+ {
+ "\xc3\x9c""ber\x6dä\xc3\x9fi\x0a\xe0g\x80\x80 \xf0\x9d\x84\x9e", 21,
+ "=C3=9Cberm=C3=A4=C3=9Fi\r\n=E0g=80=80 =F0=9D=84=9E",
+ 76
+ },
+ {
+ "\xc3\x9c""ber\x6dä\xc3\xff\x9fi\x0a\xe0g\x80\x80\xfe\xf0\x9d\x84\x9e", 22,
+ "=C3=9Cberm=C3=A4=C3=FF=9Fi\r\n=E0g=80=80=FE=F0=9D=84=9E",
+ 76
+ },
+ };
+ string_t *str;
+ unsigned int i, j;
+
+ test_begin("qp-encoder");
+ str = t_str_new(128);
+ for (i = 0; i < N_ELEMENTS(tests); i++) {
+ const unsigned char *input = tests[i].input;
+ struct qp_encoder *qp = qp_encoder_init(str, tests[i].max_line_len, 0);
+
+ /* try all at once */
+ qp_encoder_more(qp, input, tests[i].input_len);
+ qp_encoder_finish(qp);
+
+ test_assert_strcmp_idx(str_c(str), tests[i].output, i);
+
+ /* try in small pieces */
+ str_truncate(str, 0);
+ for (j = 0; j < tests[i].input_len; j++) {
+ unsigned char c = input[j];
+ qp_encoder_more(qp, &c, 1);
+ }
+ qp_encoder_finish(qp);
+ test_assert_strcmp_idx(str_c(str), tests[i].output, i);
+
+ qp_encoder_deinit(&qp);
+ str_truncate(str, 0);
+ }
+ test_end();
+}
+
+static void test_qp_encoder_binary(void)
+{
+ static struct test_quoted_printable_encode_data tests[] = {
+ { "\0nil\0delimited\0string\0", 22, "=00nil=00delimited=\r\n=00string=00" ,20 },
+ {
+ "\xef\x4e\xc5\xe0\x31\x66\xd7\xef\xae\x12\x7d\x45\x1e\x05\xc7\x2a",
+ 16,
+ "=EFN=C5=E01f=D7=EF=\r\n=AE=12}E=1E=05=C7*",
+ 20
+ },
+ };
+
+ string_t *str;
+ unsigned int i, j;
+
+ test_begin("qp-encoder (binary safe)");
+ str = t_str_new(128);
+ for (i = 0; i < N_ELEMENTS(tests); i++) {
+ const unsigned char *input = tests[i].input;
+ struct qp_encoder *qp = qp_encoder_init(str, tests[i].max_line_len, QP_ENCODER_FLAG_BINARY_DATA);
+
+ /* try all at once */
+ qp_encoder_more(qp, input, tests[i].input_len);
+ qp_encoder_finish(qp);
+
+ test_assert_idx(strcmp(str_c(str), tests[i].output) == 0, i);
+
+ /* try in small pieces */
+ str_truncate(str, 0);
+ for (j = 0; j < tests[i].input_len; j++) {
+ unsigned char c = input[j];
+ qp_encoder_more(qp, &c, 1);
+ }
+ qp_encoder_finish(qp);
+ test_assert_idx(strcmp(str_c(str), tests[i].output) == 0, i);
+
+ qp_encoder_deinit(&qp);
+ str_truncate(str, 0);
+ }
+ test_end();
+}
+
+static void test_qp_encoder_header(void)
+{
+ static struct test_quoted_printable_encode_data tests[] = {
+ { "simple", 6, "=?utf-8?Q?simple?=", 75 },
+ { "J'esuis de paris caf\xc3\xa9", 22, "=?utf-8?Q?J'esuis_de_paris_caf=C3=A9?=", 75 },
+ { "hello_world", 11, "=?utf-8?Q?hello=5Fworld?=", 75 },
+ {
+ "make sure this wraps and that the actual lines are not longer than maximum length including preamble",
+ 100,
+ "=?utf-8?Q?make_sure_this_wraps_and_that_the_actual_lines_are_not_longer_t?=\r\n"
+ " =?utf-8?Q?han_maximum_length_including_preamble?=",
+ 75
+ },
+ };
+
+ string_t *str;
+ unsigned int i, j;
+
+ test_begin("qp-encoder (header format)");
+ str = t_str_new(128);
+ for (i = 0; i < N_ELEMENTS(tests); i++) {
+ const unsigned char *input = tests[i].input;
+ struct qp_encoder *qp = qp_encoder_init(str, tests[i].max_line_len, QP_ENCODER_FLAG_HEADER_FORMAT);
+
+ /* try all at once */
+ qp_encoder_more(qp, input, tests[i].input_len);
+ qp_encoder_finish(qp);
+
+ test_assert_idx(strcmp(str_c(str), tests[i].output) == 0, i);
+
+ /* try in small pieces */
+ str_truncate(str, 0);
+ for (j = 0; j < tests[i].input_len; j++) {
+ unsigned char c = input[j];
+ qp_encoder_more(qp, &c, 1);
+ }
+ qp_encoder_finish(qp);
+ test_assert_idx(strcmp(str_c(str), tests[i].output) == 0, i);
+
+ qp_encoder_deinit(&qp);
+ str_truncate(str, 0);
+ }
+ test_end();
+}
+
+
+int main(void)
+{
+ static void (*const test_functions[])(void) = {
+ test_qp_encoder,
+ test_qp_encoder_binary,
+ test_qp_encoder_header,
+ NULL
+ };
+ return test_run(test_functions);
+}
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