Up to 1.3.3

+ crc32 and md5 function to ora-extension + Rows duplication * Improve view/edit for multiline values * Up SQLite to 3.34.0
little-brother · Dec 10, 2020 · 3f46dbc · 3f46dbc
1 parent 55e86db
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diff --git a/README.md b/README.md
@@ -23,5 +23,29 @@ Recent binaries are available at [Releases page](https://github.com/little-broth
 * Only utf-8 is supported
 * NULL is displayed as an empty string and an empty string is set to NULL when data is edit
 
+
+<details>
+ <summary>How to build</summary>
+
+  * sqlite3.dll + sqlite3.def
+    ```
+    gcc -shared -Wl,--output-def=sqlite3.def sqlite3.c -o sqlite3.dll -DSQLITE_ENABLE_DBSTAT_VTAB -DSQLITE_ENABLE_COLUMN_METADATA  -s -O
+    ```
+
+ * libsqlite3.a
+    ```
+    dlltool -d sqlite3.def -l libsqlite3.a -D sqlite3.dll
+    ```
+
+ * Extension e.g. `json1`
+    ```
+    gcc -I ../include -g -shared json1.c -o json1.dll -s
+    ```
+    `series.c` and `regexp.c` should be compiled with additional flag `-Os` to minimize [VirusTotal alerts](https://github.com/little-brother/sqlite-gui/issues/3)	
+ 
+ * Use Code::Blocks 17 to build the app.   
+</details>
+
+
 If you liked the project, press the like-button [here](https://alternativeto.net/software/sqlite-gui/) to support it.<br>
 If you have any problems, comments or suggestions, just let me know <a href="mailto:[email protected]?subject=sqlite-gui">[email protected]</a>.
diff --git a/etc/sqlite.md b/etc/sqlite.md
diff --git a/extensions/ora.c b/extensions/ora.c
@@ -11,13 +11,20 @@
 	Compares expr to each key one by one. If expr is equal to a key, then returns the corresponding value. 
 	If no match is found, then returns defValue. If defValue is omitted, then returns null.
 	decode(1 < 2, false, 'NO', true, 'YES', '???') --> YES
-
+	
+	crc32(str)
+	Calculate crc32 checksum
+	
+	md5(str)
+	Calculate md5 checksum
 */
 #include "sqlite3ext.h"
 SQLITE_EXTENSION_INIT1
 #include <assert.h>
 #include <string.h>
 #include <stdlib.h>
+#include <stdio.h>
+#include <windows.h>
 
 static void rownum(sqlite3_context *ctx, int argc, sqlite3_value **argv){
 	int *pCounter = (int*)sqlite3_get_auxdata(ctx, 0);
@@ -72,12 +79,192 @@ static void decode (sqlite3_context *ctx, int argc, sqlite3_value **argv) {
 	return argc % 2 ? sqlite3_result_null(ctx) : sqlite3_result_text(ctx, sqlite3_value_text(argv[argc - 1]), -1, SQLITE_TRANSIENT);
 }
 
+const UINT crc32_tab[] = {
+    0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f,
+    0xe963a535, 0x9e6495a3,	0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
+    0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2,
+    0xf3b97148, 0x84be41de,	0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
+    0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec,	0x14015c4f, 0x63066cd9,
+    0xfa0f3d63, 0x8d080df5,	0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
+    0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b,	0x35b5a8fa, 0x42b2986c,
+    0xdbbbc9d6, 0xacbcf940,	0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
+    0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423,
+    0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
+    0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d,	0x76dc4190, 0x01db7106,
+    0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
+    0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d,
+    0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
+    0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
+    0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
+    0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7,
+    0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
+    0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa,
+    0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
+    0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81,
+    0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
+    0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84,
+    0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
+    0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
+    0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
+    0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e,
+    0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
+    0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55,
+    0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
+    0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28,
+    0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
+    0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f,
+    0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
+    0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
+    0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
+    0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69,
+    0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
+    0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc,
+    0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
+    0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693,
+    0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
+    0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
+};
+
+static void crc32 (sqlite3_context *ctx, int argc, sqlite3_value **argv) {    
+	const UINT8 *p = sqlite3_value_text(argv[0]);
+	size_t size = strlen(sqlite3_value_text(argv[0]));
+    UINT crc;
+
+    crc = ~0U;
+    while (size--)
+        crc = crc32_tab[(crc ^ *p++) & 0xFF] ^ (crc >> 8);
+
+    sqlite3_result_int64(ctx, crc ^ ~0U);
+}
+
+
+// https://github.com/pod32g/MD5/blob/master/md5.c
+const UINT k[64] = {
+    0xd76aa478, 0xe8c7b756, 0x242070db, 0xc1bdceee ,
+    0xf57c0faf, 0x4787c62a, 0xa8304613, 0xfd469501 ,
+    0x698098d8, 0x8b44f7af, 0xffff5bb1, 0x895cd7be ,
+    0x6b901122, 0xfd987193, 0xa679438e, 0x49b40821 ,
+    0xf61e2562, 0xc040b340, 0x265e5a51, 0xe9b6c7aa ,
+    0xd62f105d, 0x02441453, 0xd8a1e681, 0xe7d3fbc8 ,
+    0x21e1cde6, 0xc33707d6, 0xf4d50d87, 0x455a14ed ,
+    0xa9e3e905, 0xfcefa3f8, 0x676f02d9, 0x8d2a4c8a ,
+    0xfffa3942, 0x8771f681, 0x6d9d6122, 0xfde5380c ,
+    0xa4beea44, 0x4bdecfa9, 0xf6bb4b60, 0xbebfbc70 ,
+    0x289b7ec6, 0xeaa127fa, 0xd4ef3085, 0x04881d05 ,
+    0xd9d4d039, 0xe6db99e5, 0x1fa27cf8, 0xc4ac5665 ,
+    0xf4292244, 0x432aff97, 0xab9423a7, 0xfc93a039 ,
+    0x655b59c3, 0x8f0ccc92, 0xffeff47d, 0x85845dd1 ,
+    0x6fa87e4f, 0xfe2ce6e0, 0xa3014314, 0x4e0811a1 ,
+    0xf7537e82, 0xbd3af235, 0x2ad7d2bb, 0xeb86d391
+};
+
+const UINT r[] = {
+    7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22,
+    5,  9, 14, 20, 5,  9, 14, 20, 5,  9, 14, 20, 5,  9, 14, 20,
+    4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23,
+    6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21
+};
+
+#define LEFTROTATE(x, c) (((x) << (c)) | ((x) >> (32 - (c))))
+
+void to_bytes(UINT val, UINT8 *bytes) {
+    bytes[0] = (UINT8) val;
+    bytes[1] = (UINT8) (val >> 8);
+    bytes[2] = (UINT8) (val >> 16);
+    bytes[3] = (UINT8) (val >> 24);
+}
+
+UINT to_int32(const UINT8 *bytes) {
+    return (UINT) bytes[0] | ((UINT) bytes[1] << 8) | ((UINT) bytes[2] << 16) | ((UINT) bytes[3] << 24);
+}
+
+void _md5(const UINT8 *initial_msg, size_t initial_len, UINT8 *digest) {
+    UINT h0, h1, h2, h3;
+    UINT8 *msg = NULL;
+
+    size_t new_len, offset;
+    UINT w[16];
+    UINT a, b, c, d, i, f, g, temp;
+
+    h0 = 0x67452301;
+    h1 = 0xefcdab89;
+    h2 = 0x98badcfe;
+    h3 = 0x10325476;
+
+    for (new_len = initial_len + 1; new_len % (512/8) != 448/8; new_len++);
+
+    msg = (UINT8*)malloc(new_len + 8);
+    memcpy(msg, initial_msg, initial_len);
+    msg[initial_len] = 0x80;
+    for (offset = initial_len + 1; offset < new_len; offset++)
+        msg[offset] = 0;
+
+
+    to_bytes(initial_len*8, msg + new_len);
+    to_bytes(initial_len>>29, msg + new_len + 4);
+
+    for (offset=0; offset<new_len; offset += (512/8)) {
+        for (i = 0; i < 16; i++)
+            w[i] = to_int32(msg + offset + i*4);
+
+        a = h0;
+        b = h1;
+        c = h2;
+        d = h3;
+
+        // Main loop:
+        for(i = 0; i < 64; i++) {
+            if (i < 16) {
+                f = (b & c) | ((~b) & d);
+                g = i;
+            } else if (i < 32) {
+                f = (d & b) | ((~d) & c);
+                g = (5*i + 1) % 16;
+            } else if (i < 48) {
+                f = b ^ c ^ d;
+                g = (3*i + 5) % 16;
+            } else {
+                f = c ^ (b | (~d));
+                g = (7*i) % 16;
+            }
+
+            temp = d;
+            d = c;
+            c = b;
+            b = b + LEFTROTATE((a + f + k[i] + w[g]), r[i]);
+            a = temp;
+        }
+
+        h0 += a;
+        h1 += b;
+        h2 += c;
+        h3 += d;
+    }
+    free(msg);
+
+    to_bytes(h0, digest);
+    to_bytes(h1, digest + 4);
+    to_bytes(h2, digest + 8);
+    to_bytes(h3, digest + 12);
+}
+
+static void md5 (sqlite3_context *ctx, int argc, sqlite3_value **argv) {
+    UINT8 r[16];
+	_md5(sqlite3_value_text(argv[0]), strlen(sqlite3_value_text(argv[0])), r);
+
+	char buf[17];
+	sprintf(buf, "%x%x%x%x%x%x%x%x%x%x%x%x%x%x%x%x", r[0], r[1], r[2], r[3], r[4], r[5], r[6], r[7], r[8], r[9], r[10], r[11], r[12], r[13], r[14], r[15]);
+    sqlite3_result_text(ctx, buf, -1, SQLITE_TRANSIENT);
+}
+
 __declspec(dllexport) int sqlite3_ora_init(sqlite3 *db, char **pzErrMsg, const sqlite3_api_routines *pApi) {
 	int rc = SQLITE_OK;
 	SQLITE_EXTENSION_INIT2(pApi);
 	(void)pzErrMsg;  /* Unused parameter */
 	return SQLITE_OK == sqlite3_create_function(db, "rownum", 1, SQLITE_UTF8, 0, rownum, 0, 0) &&
 		SQLITE_OK == sqlite3_create_function(db, "concat", -1, SQLITE_UTF8, 0, concat, 0, 0) &&
-		SQLITE_OK == sqlite3_create_function(db, "decode", -1, SQLITE_UTF8, 0, decode, 0, 0) ? 
+		SQLITE_OK == sqlite3_create_function(db, "decode", -1, SQLITE_UTF8, 0, decode, 0, 0) &&
+		SQLITE_OK == sqlite3_create_function(db, "crc32", 1, SQLITE_UTF8, 0, crc32, 0, 0) && 
+		SQLITE_OK == sqlite3_create_function(db, "md5", 1, SQLITE_UTF8, 0, md5, 0, 0) ? 
 		SQLITE_OK : SQLITE_ERROR;
 }