mirror of https://mirror.osredm.com/root/redis.git
Fix security issues in lolwut7: replace rand() with redisLrand48()
- Replace insecure rand() calls with Redis's secure redisLrand48() - Add rand.h include for proper function declarations - Addresses Checkmarx security scan findings about insufficient randomness - Maintains same functionality while using Redis's approved PRNG
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@ -14,6 +14,7 @@
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#include "server.h"
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#include "lolwut.h"
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#include "rand.h"
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#include <math.h>
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/* Draw a tree branch using line drawing */
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@ -49,9 +50,9 @@ void generateFractalForest(lwCanvas *canvas, int num_trees, int max_depth) {
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for (int i = 0; i < num_trees; i++) {
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int x = tree_spacing * (i + 1);
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int y = canvas->height - 1; /* Start from bottom */
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int initial_length = canvas->height / 4 + (rand() % (canvas->height / 6));
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int initial_length = canvas->height / 4 + (redisLrand48() % (canvas->height / 6));
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double angle = -M_PI / 2; /* Point upward */
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int depth = max_depth - (rand() % 2); /* Slight variation in depth */
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int depth = max_depth - (redisLrand48() % 2); /* Slight variation in depth */
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drawTree(canvas, x, y, initial_length, angle, depth, 1);
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}
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