/* See LICENSE file for copyright and license details. */ #include "common.h" #ifndef TEST /** * Parse and validate an unsigned, decimal integer * * @param settings The password hash string * @param off The current in `settings` where the integer * begins; will be updated to its ends (one byte * after the last character encoding the integer) * @param len The number of bytes in `settings` * @param min_first_digit '0' if leading zeroes are permitted, '1' otherwise * @param min The smallest legal value * @param max The greatest legal value * @param out Output parameter for the encoded integer, or `NULL` * @return 1 if a valid integer was encoded, 0 otherwise */ static int check_uint(const char *settings, size_t *off, size_t len, char min_first_digit, uintmax_t min, uintmax_t max, uintmax_t *out) { uintmax_t digit, value; /* Reject the empty string */ if (*off >= len) return 0; /* Reject leading zeroes unless `min_first_digit` is '0' */ if (min_first_digit > settings[*off] || settings[*off] > '9') { /* With leading zeroes being rejected, a single '0' may be * parsed as the value 0 (if that value is permitted) */ if (min == 0u && min_first_digit != '0' && settings[*off] == '0') { ++*off; if (out) *out = 0u; return 1; } return 0; } /* Decode the integer */ value = (uintmax_t)(settings[*off] - '0'); ++*off; while (*off < len && '0' <= settings[*off] && settings[*off] <= '9') { digit = (uintmax_t)(settings[*off] - '0'); if (value > (UINTMAX_MAX - digit) / 10u) return 0; value *= 10u; value += digit; ++*off; } if (out) *out = value; /* Check that the integer is within the accepted range */ return min <= value && value <= max; } /** * Validate and returns a salt or hash that's either encoded * in base-64 or has its length encoded using asterisk-notation * * This function does not check the value of any excess bit * in the base-64 encoding * * @param settings The password hash string * @param off The current in `settings` where the integer * begins; will be updated to its ends (one byte * after the last character encoding the integer) * @param len The number of bytes in `settings` * @param min The least allowed number of bytes * @param max The most allowed number of bytes * @param allow_empty Whether the empty string is allowed * (no encoded bytes and no asterisk-notation) * @param lut Alphabet reverse lookup table, shall map any valid * character (except the padding character) to the value * of that character in the encoding alphabet, and map * any other character to the value `0xFF` * @param pad The padding character to used at the end; the NUL byte if none * @param strict_pad Zero if the padding at the end is optional, non-zero otherwise * @param strout Output parameter for the beginning of the base-64 text, * set to `NULL` if asterisk-notation is used * @param lenout Output parameter for the number of bytes in `*strout`, or if * `*strout` is set to `NULL`, the asterisk-encoded number; * however if `strout` is `NULL`, the number bytes used by * the salt or hash (when in raw binary format) is stored * @return 1 if the encoded value was of proper length, * a proper length was encoded using asterisk-notation, or * if `allow_empty` was non-zero, nothing was encoded; * 0 otherwise */ static int check_data(const char *settings, size_t *off, size_t len, uintmax_t min, uintmax_t max, int allow_empty, const unsigned char dlut[restrict static 256], char pad, int strict_pad, const char **strout, uintmax_t *lenout) { size_t i, old_i; uintmax_t q, r, n; /* Check for asterisk-notation */ if (*off < len && settings[*off] == '*') { ++*off; if (strout) *strout = NULL; return check_uint(settings, off, len, '0', min, max, lenout); } settings = &settings[*off]; len -= *off; i = 0u; /* Get number of base-64 characters available, excluding padding */ while (i < len && dlut[(unsigned char)settings[i]] < 64u) i++; /* Calculate number of encoded bytes */ q = i / 4u; r = i % 4u; n = q * 3u + r - (r ? 1u : 0u); if (!strout && lenout) *lenout = n; /* 1 base-64 character in excees of a multiple of 4, * this is illegal because 4 characters encode 3 bytes * without any excees bits (both are 24 bits), so * if the number of encoded bytes is not a multiple * of 3, at least 2 characters in excees of multiple * of 4 is required because at least 2 characeters is * required to encode 1 byte in base-64 */ if (r == 1u) return 0; /* Check number of bytes is within the specified range, * but accept 0 if `allow_empty` is non-zero */ if (min > n || n > max) if (n || !allow_empty) return 0; /* Check padding if allowed or even required */ if (r && pad) { old_i = i; while (r < 4u && i < len && settings[i] == pad) { i++; r++; } if ((i != old_i || strict_pad) && r != 4u) return 0; } /* Return the base-64 encoding */ if (strout) { *strout = settings; *lenout = (uintmax_t)i; } *off += i; return 1; } int librecrypt_check_settings_(const char *settings, size_t len, const char *fmt, ...) { size_t i = 0u; uintmax_t *uout, umin, umax; const unsigned char *dlut; char pad; int strict_pad; int output = 0; va_list args; const char *str, **strout; size_t n; va_start(args, fmt); while (*fmt) { if (*fmt != '%') { /* Normal literal character */ if (i == len) return 0; if (settings[i++] != *fmt++) return 0; } else if (fmt[1u] == '%') { /* '%'-escaped literal '%' ("%%") */ if (i == len) return 0; if (settings[i++] != '%') return 0; fmt = &fmt[2u]; } else if (fmt[1u] == '*') { /* "%*": skip to next '$' or the end of no '$' was found */ while (i < len && settings[i] != '$') i++; fmt = &fmt[2u]; } else if (fmt[1u] == '^') { /* '^' inserted between '%' and some letter may be used * have the value returned */ output = 1; fmt++; goto outable; } else if (fmt[1u] == '&' && (fmt[2u] == 'b' || fmt[2u] == 'h')) { /* Like "%b"/"%h" except output pointer to base-64 text or decodes asterisk-notation */ strout = va_arg(args, const char **); uout = va_arg(args, uintmax_t *); fmt++; goto plain_bh; } else outable: if (fmt[1u] == 'p' || fmt[1u] == 'u') { /* Unsigned integers ("%p" for leading zeros forbidden, "%u" for leading zeros allowed) */ uout = output ? va_arg(args, uintmax_t *) : NULL; umin = va_arg(args, uintmax_t); umax = va_arg(args, uintmax_t); if (!check_uint(settings, &i, len, fmt[1u] == 'p' ? '1' : '0', umin, umax, uout)) return 0; goto outable_done; } else if (fmt[1u] == 'b' || fmt[1u] == 'h') { /* Base-64 or asterisk-notation ("%b" for normal, "%h" for "" allowed) */ strout = NULL; uout = output ? va_arg(args, uintmax_t *) : NULL; plain_bh: umin = va_arg(args, uintmax_t); umax = va_arg(args, uintmax_t); dlut = va_arg(args, const unsigned char *); pad = (char)va_arg(args, int); /* `char` is promoted to `int` when passed through `...` */ strict_pad = va_arg(args, int); if (!check_data(settings, &i, len, umin, umax, fmt[1u] == 'h', dlut, pad, strict_pad, strout, uout)) return 0; goto outable_done; } else if (fmt[1u] == 's') { /* String from fixed set ("%s") */ strout = output ? va_arg(args, const char **) : NULL; for (;;) { str = va_arg(args, const char *); if (!str) return 0; n = strlen(str); if (n > len - i) continue; if (strncmp(&settings[i], str, n)) continue; if (strout) *strout = str; i += n; break; } while ((str = va_arg(args, const char *))); goto outable_done; } else { abort(); /* $covered$ */ outable_done: output = 0; fmt = &fmt[2u]; } } va_end(args); return i == len; } #else #define RANGE(A, B) (uintmax_t)(A), (uintmax_t)(B) #define BASE64(A, B) RANGE(A, B), lut, pad, strict_pad static unsigned char lut[256]; static void check_asterisk(char pad, int strict_pad) { uintmax_t u, u2; const char *s, *s2; EXPECT(librecrypt_check_settings_("*012", 4u, "%b", BASE64(0, 100)) == 1); EXPECT(librecrypt_check_settings_("*200", 4u, "%b", BASE64(0, 100)) == 0); EXPECT(librecrypt_check_settings_("*012", 4u, "%b", BASE64(100, 200)) == 0); EXPECT(librecrypt_check_settings_("*0", 2u, "%b", BASE64(0, 100)) == 1); EXPECT(librecrypt_check_settings_("*00", 3u, "%b", BASE64(0, 100)) == 1); EXPECT(librecrypt_check_settings_("", 0u, "%b", BASE64(0, 100)) == 1); EXPECT(librecrypt_check_settings_("", 0u, "%b", BASE64(5, 100)) == 0); EXPECT(librecrypt_check_settings_("*012.", 5u, "%b.", BASE64(0, 100)) == 1); EXPECT(librecrypt_check_settings_("*012-", 5u, "%b.", BASE64(0, 100)) == 0); EXPECT(librecrypt_check_settings_("*012", 4u, "%b.", BASE64(0, 100)) == 0); EXPECT(librecrypt_check_settings_("*2*5", 4u, "%b%b", BASE64(2, 2), BASE64(5, 5)) == 1); EXPECT(librecrypt_check_settings_("*2*4", 4u, "%b%b", BASE64(2, 2), BASE64(5, 5)) == 0); EXPECT(librecrypt_check_settings_("*012", 4u, "%h", BASE64(0, 100)) == 1); EXPECT(librecrypt_check_settings_("*200", 4u, "%h", BASE64(0, 100)) == 0); EXPECT(librecrypt_check_settings_("*012", 4u, "%h", BASE64(100, 200)) == 0); EXPECT(librecrypt_check_settings_("*0", 2u, "%h", BASE64(0, 100)) == 1); EXPECT(librecrypt_check_settings_("*00", 3u, "%h", BASE64(0, 100)) == 1); EXPECT(librecrypt_check_settings_("", 0u, "%h", BASE64(0, 100)) == 1); EXPECT(librecrypt_check_settings_("", 0u, "%h", BASE64(5, 100)) == 1); EXPECT(librecrypt_check_settings_("*012.", 5u, "%h.", BASE64(0, 100)) == 1); EXPECT(librecrypt_check_settings_("*012-", 5u, "%h.", BASE64(0, 100)) == 0); EXPECT(librecrypt_check_settings_("*012", 4u, "%h.", BASE64(0, 100)) == 0); EXPECT(librecrypt_check_settings_("*2*5", 4u, "%h%h", BASE64(2, 2), BASE64(5, 5)) == 1); EXPECT(librecrypt_check_settings_("*2*4", 4u, "%h%h", BASE64(2, 2), BASE64(5, 5)) == 0); u = 0u; EXPECT(librecrypt_check_settings_("*012", 4u, "%^b", &u, BASE64(0, 100)) == 1); EXPECT(u == 12u); EXPECT(librecrypt_check_settings_("*200", 4u, "%^b", &u, BASE64(0, 100)) == 0); EXPECT(librecrypt_check_settings_("*012", 4u, "%^b", &u, BASE64(100, 200)) == 0); u = 99u; EXPECT(librecrypt_check_settings_("*0", 2u, "%^b", &u, BASE64(0, 100)) == 1); EXPECT(u == 0u); u = 99u; EXPECT(librecrypt_check_settings_("*00", 3u, "%^b", &u, BASE64(0, 100)) == 1); EXPECT(u == 0u); u = 99u; EXPECT(librecrypt_check_settings_("", 0u, "%^b", &u, BASE64(0, 100)) == 1); EXPECT(u == 0u); EXPECT(librecrypt_check_settings_("", 0u, "%^b", &u, BASE64(5, 100)) == 0); EXPECT(librecrypt_check_settings_("*012.", 5u, "%^b.", &u, BASE64(0, 100)) == 1); EXPECT(librecrypt_check_settings_("*012-", 5u, "%^b.", &u, BASE64(0, 100)) == 0); EXPECT(librecrypt_check_settings_("*012", 4u, "%^b.", &u, BASE64(0, 100)) == 0); u = u2 = 99u; EXPECT(librecrypt_check_settings_("*2*5", 4u, "%^b%^b", &u, BASE64(2, 2), &u2, BASE64(5, 5)) == 1); EXPECT(u == 2u); EXPECT(u2 == 5u); EXPECT(librecrypt_check_settings_("*2*4", 4u, "%^b%^b", &u, BASE64(2, 2), &u2, BASE64(5, 5)) == 0); u = 0u; EXPECT(librecrypt_check_settings_("*012", 4u, "%^h", &u, BASE64(0, 100)) == 1); EXPECT(u == 12u); EXPECT(librecrypt_check_settings_("*200", 4u, "%^h", &u, BASE64(0, 100)) == 0); EXPECT(librecrypt_check_settings_("*012", 4u, "%^h", &u, BASE64(100, 200)) == 0); u = 99u; EXPECT(librecrypt_check_settings_("*0", 2u, "%^h", &u, BASE64(0, 100)) == 1); EXPECT(u == 0u); u = 99u; EXPECT(librecrypt_check_settings_("*00", 3u, "%^h", &u, BASE64(0, 100)) == 1); EXPECT(u == 0u); u = 99u; EXPECT(librecrypt_check_settings_("", 0u, "%^h", &u, BASE64(0, 100)) == 1); EXPECT(u == 0u); u = 99u; EXPECT(librecrypt_check_settings_("", 0u, "%^h", &u, BASE64(5, 100)) == 1); EXPECT(u == 0u); EXPECT(librecrypt_check_settings_("*012.", 5u, "%^h.", &u, BASE64(0, 100)) == 1); EXPECT(librecrypt_check_settings_("*012-", 5u, "%^h.", &u, BASE64(0, 100)) == 0); EXPECT(librecrypt_check_settings_("*012", 4u, "%^h.", &u, BASE64(0, 100)) == 0); u = u2 = 99u; EXPECT(librecrypt_check_settings_("*2*5", 4u, "%^h%^h", &u, BASE64(2, 2), &u2, BASE64(5, 5)) == 1); EXPECT(u == 2u); EXPECT(u2 == 5u); EXPECT(librecrypt_check_settings_("*2*4", 4u, "%^h%^h", &u, BASE64(2, 2), &u2, BASE64(5, 5)) == 0); s = ""; u = 99u; EXPECT(librecrypt_check_settings_("*5.", 3, "%&b.", &s, &u, BASE64(2, 100)) == 1); EXPECT(s == NULL); EXPECT(u == 5u); s = ""; u = 99u; EXPECT(librecrypt_check_settings_("*5", 2, "%&b", &s, &u, BASE64(2, 100)) == 1); EXPECT(s == NULL); EXPECT(u == 5u); EXPECT(librecrypt_check_settings_("*5", 2, "%&b", &s, &u, BASE64(1, 4)) == 0); EXPECT(librecrypt_check_settings_("*5", 2, "%&b", &s, &u, BASE64(6, 9)) == 0); s = s2 = ""; u = u2 = 99u; EXPECT(librecrypt_check_settings_("*5*10", 5, "%&b%&b", &s, &u, BASE64(2, 100), &s2, &u2, BASE64(2, 100)) == 1); EXPECT(s == NULL); EXPECT(u == 5u); EXPECT(s2 == NULL); EXPECT(u2 == 10u); EXPECT(librecrypt_check_settings_("*", 1u, "%b", BASE64(0, 10)) == 0); EXPECT(librecrypt_check_settings_("*", 1u, "%h", BASE64(0, 10)) == 0); EXPECT(librecrypt_check_settings_("*", 1u, "%^b", &u, BASE64(0, 10)) == 0); EXPECT(librecrypt_check_settings_("*", 1u, "%^h", &u, BASE64(0, 10)) == 0); EXPECT(librecrypt_check_settings_("*", 1u, "%&b", &s, &u, BASE64(0, 10)) == 0); EXPECT(librecrypt_check_settings_("*", 1u, "%&h", &s, &u, BASE64(0, 10)) == 0); EXPECT(librecrypt_check_settings_("*x", 2u, "%b", BASE64(0, 10)) == 0); EXPECT(librecrypt_check_settings_("*x", 2u, "%h", BASE64(0, 10)) == 0); EXPECT(librecrypt_check_settings_("*x", 2u, "%^b", &u, BASE64(0, 10)) == 0); EXPECT(librecrypt_check_settings_("*x", 2u, "%^h", &u, BASE64(0, 10)) == 0); EXPECT(librecrypt_check_settings_("*x", 2u, "%&b", &s, &u, BASE64(0, 10)) == 0); EXPECT(librecrypt_check_settings_("*x", 2u, "%&h", &s, &u, BASE64(0, 10)) == 0); } static void check_base64(char pad, int strict_pad) { uintmax_t u; const char *s; EXPECT(librecrypt_check_settings_("", 0u, "%b", BASE64(0, 100)) == 1); EXPECT(librecrypt_check_settings_("", 0u, "%b", BASE64(1, 100)) == 0); EXPECT(librecrypt_check_settings_("abcd", 4u, "%b", BASE64(3, 3)) == 1); EXPECT(librecrypt_check_settings_("abcd", 4u, "%b", BASE64(4, 4)) == 0); EXPECT(librecrypt_check_settings_("", 0u, "%h", BASE64(0, 100)) == 1); EXPECT(librecrypt_check_settings_("", 0u, "%h", BASE64(1, 100)) == 1); EXPECT(librecrypt_check_settings_("abcd", 4u, "%h", BASE64(3, 3)) == 1); EXPECT(librecrypt_check_settings_("abcd", 4u, "%h", BASE64(4, 4)) == 0); EXPECT(librecrypt_check_settings_("abcd", 4u, "%h", BASE64(2, 2)) == 0); u = 99u; EXPECT(librecrypt_check_settings_("", 0u, "%^b", &u, BASE64(0, 100)) == 1); EXPECT(u == 0u); EXPECT(librecrypt_check_settings_("", 0u, "%^b", &u, BASE64(1, 100)) == 0); u = 99u; EXPECT(librecrypt_check_settings_("abcd", 4u, "%^b", &u, BASE64(3, 3)) == 1); EXPECT(u == 3u); EXPECT(librecrypt_check_settings_("abcd", 4u, "%^b", &u, BASE64(4, 4)) == 0); EXPECT(librecrypt_check_settings_("abcd", 4u, "%^b", &u, BASE64(2, 2)) == 0); u = 99u; EXPECT(librecrypt_check_settings_("", 0u, "%^h", &u, BASE64(0, 100)) == 1); EXPECT(u == 0u); u = 99u; EXPECT(librecrypt_check_settings_("", 0u, "%^h", &u, BASE64(1, 100)) == 1); EXPECT(u == 0u); u = 99u; EXPECT(librecrypt_check_settings_("abcd", 4u, "%^h", &u, BASE64(3, 3)) == 1); EXPECT(u == 3u); EXPECT(librecrypt_check_settings_("abcd", 4u, "%^h", &u, BASE64(4, 4)) == 0); EXPECT(librecrypt_check_settings_("abcd", 4u, "%^h", &u, BASE64(2, 2)) == 0); s = NULL; u = 99u; EXPECT(librecrypt_check_settings_("_", 1u, "_%&b", &s, &u, BASE64(0, 100)) == 1); EXPECT(u == 0u); EXPECT(s && !strcmp(s, "")); EXPECT(librecrypt_check_settings_("_", 1u, "_%&b", &s, &u, BASE64(1, 100)) == 0); s = NULL; u = 99u; EXPECT(librecrypt_check_settings_("_abcd", 5u, "_%&b", &s, &u, BASE64(3, 3)) == 1); EXPECT(u == 4u); EXPECT(s && !strcmp(s, "abcd")); EXPECT(librecrypt_check_settings_("_abcd", 5u, "_%&b", &s, &u, BASE64(4, 4)) == 0); EXPECT(librecrypt_check_settings_("_abcd", 5u, "_%&b", &s, &u, BASE64(2, 2)) == 0); s = NULL; u = 99u; EXPECT(librecrypt_check_settings_("_", 1u, "_%&h", &s, &u, BASE64(0, 100)) == 1); EXPECT(u == 0u); EXPECT(s && !strcmp(s, "")); s = NULL; u = 99u; EXPECT(librecrypt_check_settings_("_", 1u, "_%&h", &s, &u, BASE64(1, 100)) == 1); EXPECT(u == 0u); EXPECT(s && !strcmp(s, "")); s = NULL; u = 99u; EXPECT(librecrypt_check_settings_("_abcd", 5u, "_%&h", &s, &u, BASE64(3, 3)) == 1); EXPECT(u == 4u); EXPECT(s && !strcmp(s, "abcd")); EXPECT(librecrypt_check_settings_("_abcd", 5u, "_%&h", &s, &u, BASE64(4, 4)) == 0); EXPECT(librecrypt_check_settings_("_abcd", 5u, "_%&h", &s, &u, BASE64(2, 2)) == 0); u = 99u; EXPECT(librecrypt_check_settings_("_abcd_", 6u, "_%&b_", &s, &u, BASE64(3, 3)) == 1); EXPECT(u == 4u); EXPECT(s && !strcmp(s, "abcd_")); u = 99u; EXPECT(librecrypt_check_settings_("_abcd_", 6u, "_%&h_", &s, &u, BASE64(3, 3)) == 1); EXPECT(u == 4u); EXPECT(s && !strcmp(s, "abcd_")); u = 99u; EXPECT(librecrypt_check_settings_("abcdabcd", 8u, "%&b", &s, &u, BASE64(6, 6)) == 1); EXPECT(u == 8u); EXPECT(s && strlen(s) == u); u = 99u; EXPECT(librecrypt_check_settings_("abcdabcd", 8u, "%&h", &s, &u, BASE64(6, 6)) == 1); EXPECT(u == 8u); EXPECT(s && strlen(s) == u); EXPECT(librecrypt_check_settings_("abcda", 5u, "%&b", &s, &u, BASE64(1, 10)) == 0); EXPECT(librecrypt_check_settings_("abcda---", 8u, "%&b", &s, &u, BASE64(1, 10)) == 0); EXPECT(librecrypt_check_settings_("abcda---", 8u, "%&b---", &s, &u, BASE64(1, 10)) == 0); EXPECT(librecrypt_check_settings_("abcda", 5u, "%&h", &s, &u, BASE64(1, 10)) == 0); EXPECT(librecrypt_check_settings_("abcda---", 8u, "%&h", &s, &u, BASE64(1, 10)) == 0); EXPECT(librecrypt_check_settings_("abcda---", 8u, "%&h---", &s, &u, BASE64(1, 10)) == 0); if (pad && strict_pad) { EXPECT(librecrypt_check_settings_("abcdab", 6u, "%&b", &s, &u, BASE64(4, 4)) == 0); EXPECT(librecrypt_check_settings_("abcdab", 6u, "%&h", &s, &u, BASE64(4, 4)) == 0); EXPECT(librecrypt_check_settings_("abcdabc", 7u, "%&b", &s, &u, BASE64(5, 5)) == 0); EXPECT(librecrypt_check_settings_("abcdabc", 7u, "%&h", &s, &u, BASE64(5, 5)) == 0); EXPECT(librecrypt_check_settings_("abcdab--", 8u, "%&b", &s, &u, BASE64(4, 4)) == 1); EXPECT(librecrypt_check_settings_("abcdab--", 8u, "%&h", &s, &u, BASE64(4, 4)) == 1); EXPECT(librecrypt_check_settings_("abcdabc-", 8u, "%&b", &s, &u, BASE64(5, 5)) == 1); EXPECT(librecrypt_check_settings_("abcdabc-", 8u, "%&h", &s, &u, BASE64(5, 5)) == 1); EXPECT(librecrypt_check_settings_("abcdab--", 8u, "%&b--", &s, &u, BASE64(4, 4)) == 0); EXPECT(librecrypt_check_settings_("abcdab--", 8u, "%&h--", &s, &u, BASE64(4, 4)) == 0); EXPECT(librecrypt_check_settings_("abcdabc-", 8u, "%&b-", &s, &u, BASE64(5, 5)) == 0); EXPECT(librecrypt_check_settings_("abcdabc-", 8u, "%&h-", &s, &u, BASE64(5, 5)) == 0); } else if (pad) { EXPECT(librecrypt_check_settings_("abcdab", 6u, "%&b", &s, &u, BASE64(4, 4)) == 1); EXPECT(librecrypt_check_settings_("abcdab", 6u, "%&h", &s, &u, BASE64(4, 4)) == 1); EXPECT(librecrypt_check_settings_("abcdabc", 7u, "%&b", &s, &u, BASE64(5, 5)) == 1); EXPECT(librecrypt_check_settings_("abcdabc", 7u, "%&h", &s, &u, BASE64(5, 5)) == 1); EXPECT(librecrypt_check_settings_("abcdab--", 8u, "%&b", &s, &u, BASE64(4, 4)) == 1); EXPECT(librecrypt_check_settings_("abcdab--", 8u, "%&h", &s, &u, BASE64(4, 4)) == 1); EXPECT(librecrypt_check_settings_("abcdabc-", 8u, "%&b", &s, &u, BASE64(5, 5)) == 1); EXPECT(librecrypt_check_settings_("abcdabc-", 8u, "%&h", &s, &u, BASE64(5, 5)) == 1); EXPECT(librecrypt_check_settings_("abcdab--", 8u, "%&b--", &s, &u, BASE64(4, 4)) == 0); EXPECT(librecrypt_check_settings_("abcdab--", 8u, "%&h--", &s, &u, BASE64(4, 4)) == 0); EXPECT(librecrypt_check_settings_("abcdabc-", 8u, "%&b-", &s, &u, BASE64(5, 5)) == 0); EXPECT(librecrypt_check_settings_("abcdabc-", 8u, "%&h-", &s, &u, BASE64(5, 5)) == 0); } else { EXPECT(librecrypt_check_settings_("abcdab", 6u, "%&b", &s, &u, BASE64(4, 4)) == 1); EXPECT(librecrypt_check_settings_("abcdab", 6u, "%&h", &s, &u, BASE64(4, 4)) == 1); EXPECT(librecrypt_check_settings_("abcdabc", 7u, "%&b", &s, &u, BASE64(5, 5)) == 1); EXPECT(librecrypt_check_settings_("abcdabc", 7u, "%&h", &s, &u, BASE64(5, 5)) == 1); EXPECT(librecrypt_check_settings_("abcdab--", 8u, "%&b", &s, &u, BASE64(4, 4)) == 0); EXPECT(librecrypt_check_settings_("abcdab--", 8u, "%&h", &s, &u, BASE64(4, 4)) == 0); EXPECT(librecrypt_check_settings_("abcdabc-", 8u, "%&b", &s, &u, BASE64(5, 5)) == 0); EXPECT(librecrypt_check_settings_("abcdabc-", 8u, "%&h", &s, &u, BASE64(5, 5)) == 0); EXPECT(librecrypt_check_settings_("abcdab--", 8u, "%&b--", &s, &u, BASE64(4, 4)) == 1); EXPECT(librecrypt_check_settings_("abcdab--", 8u, "%&h--", &s, &u, BASE64(4, 4)) == 1); EXPECT(librecrypt_check_settings_("abcdabc-", 8u, "%&b-", &s, &u, BASE64(5, 5)) == 1); EXPECT(librecrypt_check_settings_("abcdabc-", 8u, "%&h-", &s, &u, BASE64(5, 5)) == 1); } if (pad && strict_pad) { EXPECT(librecrypt_check_settings_("abcdab", 6u, "%^b", &u, BASE64(4, 4)) == 0); EXPECT(librecrypt_check_settings_("abcdab", 6u, "%^h", &u, BASE64(4, 4)) == 0); EXPECT(librecrypt_check_settings_("abcdabc", 7u, "%^b", &u, BASE64(5, 5)) == 0); EXPECT(librecrypt_check_settings_("abcdabc", 7u, "%^h", &u, BASE64(5, 5)) == 0); EXPECT(librecrypt_check_settings_("abcdab--", 8u, "%^b", &u, BASE64(4, 4)) == 1); EXPECT(librecrypt_check_settings_("abcdab--", 8u, "%^h", &u, BASE64(4, 4)) == 1); EXPECT(librecrypt_check_settings_("abcdabc-", 8u, "%^b", &u, BASE64(5, 5)) == 1); EXPECT(librecrypt_check_settings_("abcdabc-", 8u, "%^h", &u, BASE64(5, 5)) == 1); EXPECT(librecrypt_check_settings_("abcdab--", 8u, "%^b--", &u, BASE64(4, 4)) == 0); EXPECT(librecrypt_check_settings_("abcdab--", 8u, "%^h--", &u, BASE64(4, 4)) == 0); EXPECT(librecrypt_check_settings_("abcdabc-", 8u, "%^b-", &u, BASE64(5, 5)) == 0); EXPECT(librecrypt_check_settings_("abcdabc-", 8u, "%^h-", &u, BASE64(5, 5)) == 0); } else if (pad) { EXPECT(librecrypt_check_settings_("abcdab", 6u, "%^b", &u, BASE64(4, 4)) == 1); EXPECT(librecrypt_check_settings_("abcdab", 6u, "%^h", &u, BASE64(4, 4)) == 1); EXPECT(librecrypt_check_settings_("abcdabc", 7u, "%^b", &u, BASE64(5, 5)) == 1); EXPECT(librecrypt_check_settings_("abcdabc", 7u, "%^h", &u, BASE64(5, 5)) == 1); EXPECT(librecrypt_check_settings_("abcdab--", 8u, "%^b", &u, BASE64(4, 4)) == 1); EXPECT(librecrypt_check_settings_("abcdab--", 8u, "%^h", &u, BASE64(4, 4)) == 1); EXPECT(librecrypt_check_settings_("abcdabc-", 8u, "%^b", &u, BASE64(5, 5)) == 1); EXPECT(librecrypt_check_settings_("abcdabc-", 8u, "%^h", &u, BASE64(5, 5)) == 1); EXPECT(librecrypt_check_settings_("abcdab--", 8u, "%^b--", &u, BASE64(4, 4)) == 0); EXPECT(librecrypt_check_settings_("abcdab--", 8u, "%^h--", &u, BASE64(4, 4)) == 0); EXPECT(librecrypt_check_settings_("abcdabc-", 8u, "%^b-", &u, BASE64(5, 5)) == 0); EXPECT(librecrypt_check_settings_("abcdabc-", 8u, "%^h-", &u, BASE64(5, 5)) == 0); } else { EXPECT(librecrypt_check_settings_("abcdab", 6u, "%^b", &u, BASE64(4, 4)) == 1); EXPECT(librecrypt_check_settings_("abcdab", 6u, "%^h", &u, BASE64(4, 4)) == 1); EXPECT(librecrypt_check_settings_("abcdabc", 7u, "%^b", &u, BASE64(5, 5)) == 1); EXPECT(librecrypt_check_settings_("abcdabc", 7u, "%^h", &u, BASE64(5, 5)) == 1); EXPECT(librecrypt_check_settings_("abcdab--", 8u, "%^b", &u, BASE64(4, 4)) == 0); EXPECT(librecrypt_check_settings_("abcdab--", 8u, "%^h", &u, BASE64(4, 4)) == 0); EXPECT(librecrypt_check_settings_("abcdabc-", 8u, "%^b", &u, BASE64(5, 5)) == 0); EXPECT(librecrypt_check_settings_("abcdabc-", 8u, "%^h", &u, BASE64(5, 5)) == 0); EXPECT(librecrypt_check_settings_("abcdab--", 8u, "%^b--", &u, BASE64(4, 4)) == 1); EXPECT(librecrypt_check_settings_("abcdab--", 8u, "%^h--", &u, BASE64(4, 4)) == 1); EXPECT(librecrypt_check_settings_("abcdabc-", 8u, "%^b-", &u, BASE64(5, 5)) == 1); EXPECT(librecrypt_check_settings_("abcdabc-", 8u, "%^h-", &u, BASE64(5, 5)) == 1); } if (pad && strict_pad) { EXPECT(librecrypt_check_settings_("abcdab", 6u, "%b", BASE64(4, 4)) == 0); EXPECT(librecrypt_check_settings_("abcdab", 6u, "%h", BASE64(4, 4)) == 0); EXPECT(librecrypt_check_settings_("abcdabc", 7u, "%b", BASE64(5, 5)) == 0); EXPECT(librecrypt_check_settings_("abcdabc", 7u, "%h", BASE64(5, 5)) == 0); EXPECT(librecrypt_check_settings_("abcdab--", 8u, "%b", BASE64(4, 4)) == 1); EXPECT(librecrypt_check_settings_("abcdab--", 8u, "%h", BASE64(4, 4)) == 1); EXPECT(librecrypt_check_settings_("abcdabc-", 8u, "%b", BASE64(5, 5)) == 1); EXPECT(librecrypt_check_settings_("abcdabc-", 8u, "%h", BASE64(5, 5)) == 1); EXPECT(librecrypt_check_settings_("abcdab--", 8u, "%b--", BASE64(4, 4)) == 0); EXPECT(librecrypt_check_settings_("abcdab--", 8u, "%h--", BASE64(4, 4)) == 0); EXPECT(librecrypt_check_settings_("abcdabc-", 8u, "%b-", BASE64(5, 5)) == 0); EXPECT(librecrypt_check_settings_("abcdabc-", 8u, "%h-", BASE64(5, 5)) == 0); } else if (pad) { EXPECT(librecrypt_check_settings_("abcdab", 6u, "%b", BASE64(4, 4)) == 1); EXPECT(librecrypt_check_settings_("abcdab", 6u, "%h", BASE64(4, 4)) == 1); EXPECT(librecrypt_check_settings_("abcdabc", 7u, "%b", BASE64(5, 5)) == 1); EXPECT(librecrypt_check_settings_("abcdabc", 7u, "%h", BASE64(5, 5)) == 1); EXPECT(librecrypt_check_settings_("abcdab--", 8u, "%b", BASE64(4, 4)) == 1); EXPECT(librecrypt_check_settings_("abcdab--", 8u, "%h", BASE64(4, 4)) == 1); EXPECT(librecrypt_check_settings_("abcdabc-", 8u, "%b", BASE64(5, 5)) == 1); EXPECT(librecrypt_check_settings_("abcdabc-", 8u, "%h", BASE64(5, 5)) == 1); EXPECT(librecrypt_check_settings_("abcdab--", 8u, "%b--", BASE64(4, 4)) == 0); EXPECT(librecrypt_check_settings_("abcdab--", 8u, "%h--", BASE64(4, 4)) == 0); EXPECT(librecrypt_check_settings_("abcdabc-", 8u, "%b-", BASE64(5, 5)) == 0); EXPECT(librecrypt_check_settings_("abcdabc-", 8u, "%h-", BASE64(5, 5)) == 0); } else { EXPECT(librecrypt_check_settings_("abcdab", 6u, "%b", BASE64(4, 4)) == 1); EXPECT(librecrypt_check_settings_("abcdab", 6u, "%h", BASE64(4, 4)) == 1); EXPECT(librecrypt_check_settings_("abcdabc", 7u, "%b", BASE64(5, 5)) == 1); EXPECT(librecrypt_check_settings_("abcdabc", 7u, "%h", BASE64(5, 5)) == 1); EXPECT(librecrypt_check_settings_("abcdab--", 8u, "%b", BASE64(4, 4)) == 0); EXPECT(librecrypt_check_settings_("abcdab--", 8u, "%h", BASE64(4, 4)) == 0); EXPECT(librecrypt_check_settings_("abcdabc-", 8u, "%b", BASE64(5, 5)) == 0); EXPECT(librecrypt_check_settings_("abcdabc-", 8u, "%h", BASE64(5, 5)) == 0); EXPECT(librecrypt_check_settings_("abcdab--", 8u, "%b--", BASE64(4, 4)) == 1); EXPECT(librecrypt_check_settings_("abcdab--", 8u, "%h--", BASE64(4, 4)) == 1); EXPECT(librecrypt_check_settings_("abcdabc-", 8u, "%b-", BASE64(5, 5)) == 1); EXPECT(librecrypt_check_settings_("abcdabc-", 8u, "%h-", BASE64(5, 5)) == 1); } } static int discarded_int; int main(void) { const char *s, *s2; uintmax_t u, u2; SET_UP_ALARM(); INIT_TEST_ABORT(); INIT_RESOURCE_TEST(); memset(lut, 255, sizeof(lut)); lut['a'] = lut['b'] = lut['c'] = lut['d'] = 0; EXPECT(librecrypt_check_settings_("", 0u, "") == 1); EXPECT(librecrypt_check_settings_("hej", 3u, "hej") == 1); EXPECT(librecrypt_check_settings_("hej", 2u, "hej") == 0); EXPECT(librecrypt_check_settings_("hej", 4u, "hej") == 0); EXPECT(librecrypt_check_settings_("tja", 3u, "hej") == 0); EXPECT(librecrypt_check_settings_("%", 1u, "%%") == 1); EXPECT(librecrypt_check_settings_("%", 0u, "%%") == 0); EXPECT(librecrypt_check_settings_("x", 1u, "%%") == 0); EXPECT(librecrypt_check_settings_("hello", 5u, "%*") == 1); EXPECT(librecrypt_check_settings_("hello$world", 11u, "%*$world") == 1); EXPECT(librecrypt_check_settings_("hello$world", 11u, "%*$WORLD") == 0); EXPECT(librecrypt_check_settings_("hej.", 4u, "%s.", "hej", "tja", NULL) == 1); EXPECT(librecrypt_check_settings_("tja.", 4u, "%s.", "hej", "tja", NULL) == 1); EXPECT(librecrypt_check_settings_("bye.", 4u, "%s.", "hej", "tja", NULL) == 0); EXPECT(librecrypt_check_settings_("hej-", 4u, "%s.", "hej", "tja", NULL) == 0); EXPECT(librecrypt_check_settings_("tja-", 4u, "%s.", "hej", "tja", NULL) == 0); EXPECT(librecrypt_check_settings_("bye-", 4u, "%s.", "hej", "tja", NULL) == 0); EXPECT(librecrypt_check_settings_("hej.", 3u, "%s.", "hej", "tja", NULL) == 0); EXPECT(librecrypt_check_settings_("tja.", 3u, "%s.", "hej", "tja", NULL) == 0); EXPECT(librecrypt_check_settings_("bye.", 3u, "%s.", "hej", "tja", NULL) == 0); EXPECT(librecrypt_check_settings_("hej.", 3u, "%s", "hej", "tja", NULL) == 1); EXPECT(librecrypt_check_settings_("tja.", 3u, "%s", "hej", "tja", NULL) == 1); EXPECT(librecrypt_check_settings_("bye.", 3u, "%s", "hej", "tja", NULL) == 0); EXPECT(librecrypt_check_settings_("hej.", 4u, "%s", "hej", "tja", NULL) == 0); EXPECT(librecrypt_check_settings_("tja.", 4u, "%s", "hej", "tja", NULL) == 0); EXPECT(librecrypt_check_settings_("bye.", 4u, "%s", "hej", "tja", NULL) == 0); EXPECT(librecrypt_check_settings_(".", 1u, "%s.", "hej", "tja", "", NULL) == 1); EXPECT(librecrypt_check_settings_("tja.", 4u, "%s.", "hej", "tja", "", NULL) == 1); EXPECT(librecrypt_check_settings_("tja.", 4u, "%s.", "", "hej", "tja", NULL) == 0); EXPECT(librecrypt_check_settings_("tja.", 4u, "%s.", NULL) == 0); EXPECT(librecrypt_check_settings_("hejsan", 1u, "%s", "hej", NULL) == 0); EXPECT(librecrypt_check_settings_("hejsan", 3u, "%s", "hej", NULL) == 1); EXPECT(librecrypt_check_settings_("hejsan", 6u, "%s", "hej", NULL) == 0); s = NULL; EXPECT(librecrypt_check_settings_("hej.", 4u, "%^s.", &s, "hej", "tja", "", NULL) == 1); EXPECT(s && !strcmp(s, "hej")); s = NULL; EXPECT(librecrypt_check_settings_("tja.", 4u, "%^s.", &s, "hej", "tja", "", NULL) == 1); EXPECT(s && !strcmp(s, "tja")); s = NULL; EXPECT(librecrypt_check_settings_(".", 1u, "%^s.", &s, "hej", "tja", "", NULL) == 1); EXPECT(s && !strcmp(s, "")); EXPECT(librecrypt_check_settings_("10.", 3u, "%p.", RANGE(1, 10)) == 1); EXPECT(librecrypt_check_settings_("10.", 3u, "%p.", RANGE(10, 20)) == 1); EXPECT(librecrypt_check_settings_("10.", 3u, "%p.", RANGE(1, 20)) == 1); EXPECT(librecrypt_check_settings_("10.", 3u, "%p.", RANGE(1, 9)) == 0); EXPECT(librecrypt_check_settings_("10.", 3u, "%p.", RANGE(11, 20)) == 0); EXPECT(librecrypt_check_settings_("0.", 2u, "%p.", RANGE(1, 10)) == 0); EXPECT(librecrypt_check_settings_("0.", 2u, "%p.", RANGE(0, 10)) == 1); EXPECT(librecrypt_check_settings_("00.", 3u, "%p.", RANGE(0, 10)) == 0); EXPECT(librecrypt_check_settings_("010.", 4u, "%p.", RANGE(1, 10)) == 0); EXPECT(librecrypt_check_settings_("10.", 3u, "%u.", RANGE(1, 10)) == 1); EXPECT(librecrypt_check_settings_("10.", 3u, "%u.", RANGE(10, 20)) == 1); EXPECT(librecrypt_check_settings_("10.", 3u, "%u.", RANGE(1, 20)) == 1); EXPECT(librecrypt_check_settings_("10.", 3u, "%u.", RANGE(1, 9)) == 0); EXPECT(librecrypt_check_settings_("10.", 3u, "%u.", RANGE(11, 20)) == 0); EXPECT(librecrypt_check_settings_("0.", 2u, "%u.", RANGE(1, 10)) == 0); EXPECT(librecrypt_check_settings_("0.", 2u, "%u.", RANGE(0, 10)) == 1); EXPECT(librecrypt_check_settings_("00.", 3u, "%u.", RANGE(0, 10)) == 1); EXPECT(librecrypt_check_settings_("010.", 4u, "%u.", RANGE(1, 10)) == 1); u = 99u; EXPECT(librecrypt_check_settings_("10.", 3u, "%^p.", &u, RANGE(0, 100)) == 1); EXPECT(u == 10u); EXPECT(librecrypt_check_settings_("15.", 3u, "%^p.", &u, RANGE(0, 100)) == 1); EXPECT(u == 15u); EXPECT(librecrypt_check_settings_("0.", 2u, "%^p.", &u, RANGE(0, 100)) == 1); EXPECT(u == 0u); u = 99u; EXPECT(librecrypt_check_settings_("10.", 3u, "%^u.", &u, RANGE(0, 100)) == 1); EXPECT(u == 10u); EXPECT(librecrypt_check_settings_("15.", 3u, "%^u.", &u, RANGE(0, 100)) == 1); EXPECT(u == 15u); EXPECT(librecrypt_check_settings_("0.", 2u, "%^u.", &u, RANGE(0, 100)) == 1); EXPECT(u == 0u); EXPECT(librecrypt_check_settings_("010.", 4u, "%^u.", &u, RANGE(0, 100)) == 1); EXPECT(u == 10u); EXPECT(librecrypt_check_settings_("015.", 4u, "%^u.", &u, RANGE(0, 100)) == 1); EXPECT(u == 15u); EXPECT(librecrypt_check_settings_("00.", 3u, "%^u.", &u, RANGE(0, 100)) == 1); EXPECT(u == 0u); EXPECT(librecrypt_check_settings_("10.15.", 6u, "%u.%u.", RANGE(1, 10), RANGE(11, 20)) == 1); EXPECT(librecrypt_check_settings_("10.10.", 6u, "%u.%u.", RANGE(1, 10), RANGE(11, 20)) == 0); EXPECT(librecrypt_check_settings_("15.10.", 6u, "%u.%u.", RANGE(1, 10), RANGE(11, 20)) == 0); u = 99u; u2 = 99u; EXPECT(librecrypt_check_settings_("10.15.", 6u, "%^u.%^u.", &u, RANGE(1, 10), &u2, RANGE(11, 20)) == 1); EXPECT(u == 10u); EXPECT(u2 == 15u); EXPECT(librecrypt_check_settings_("", 0u, "%p", RANGE(0, 10)) == 0); EXPECT(librecrypt_check_settings_("a", 1u, "%p", RANGE(0, 10)) == 0); EXPECT(librecrypt_check_settings_("", 0u, "%u", RANGE(0, 10)) == 0); EXPECT(librecrypt_check_settings_("a", 1u, "%u", RANGE(0, 10)) == 0); EXPECT(librecrypt_check_settings_("", 0u, "%^p", &u, RANGE(0, 10)) == 0); EXPECT(librecrypt_check_settings_("a", 1u, "%^p", &u, RANGE(0, 10)) == 0); EXPECT(librecrypt_check_settings_("", 0u, "%^u", &u, RANGE(0, 10)) == 0); EXPECT(librecrypt_check_settings_("a", 1u, "%^u", &u, RANGE(0, 10)) == 0); EXPECT(librecrypt_check_settings_("hej.hello.", 10u, "%s.%s.", "hej", NULL, "hello", NULL) == 1); EXPECT(librecrypt_check_settings_("hello.hej.", 10u, "%s.%s.", "hej", NULL, "hello", NULL) == 0); EXPECT(librecrypt_check_settings_("hejsan", 1u, "%^s", &s, "hej", NULL) == 0); s = NULL; EXPECT(librecrypt_check_settings_("hejsan", 3u, "%^s", &s, "hej", NULL) == 1); EXPECT(s && !strcmp(s, "hej")); EXPECT(librecrypt_check_settings_("hejsan", 6u, "%^s", &s, "hej", NULL) == 0); s = NULL; s2 = NULL; EXPECT(librecrypt_check_settings_("hej.hello.", 10u, "%^s.%^s.", &s, "x", "hej", NULL, &s2, "y", "hello", NULL) == 1); EXPECT(s && !strcmp(s, "hej")); EXPECT(s2 && !strcmp(s2, "hello")); s = NULL; s2 = NULL; EXPECT(librecrypt_check_settings_("x.y.", 4u, "%^s.%^s.", &s, "x", "hej", NULL, &s2, "y", "hello", NULL) == 1); EXPECT(s && !strcmp(s, "x")); EXPECT(s2 && !strcmp(s2, "y")); check_asterisk('-', 0); check_asterisk('-', 1); check_asterisk('\0', 0); check_asterisk('\0', 1); check_base64('-', 0); check_base64('-', 1); check_base64('\0', 0); check_base64('\0', 1); #define S(STR) (STR), (sizeof(STR) - 1u) #define LARGE "999999999999999999999999999999999999999" EXPECT(librecrypt_check_settings_(S(LARGE LARGE LARGE LARGE), "%p", RANGE(0, UINTMAX_MAX)) == 0); EXPECT_ABORT(discarded_int = librecrypt_check_settings_("", 0u, "%\xFF", 0, 0, 0, 0, 0, 0, 0)); STOP_RESOURCE_TEST(); return 0; } #endif