From 1acf7001f99a1b70813138081bd13fd35f54d2d0 Mon Sep 17 00:00:00 2001 From: Fredrik Fornwall Date: Sun, 24 Apr 2016 21:52:47 +0200 Subject: [PATCH] termux-api.c: rand() -> arc4random() --- packages/termux-api/termux-api.c | 13 ++++--------- 1 file changed, 4 insertions(+), 9 deletions(-) diff --git a/packages/termux-api/termux-api.c b/packages/termux-api/termux-api.c index 13cf18036..3bcd3dc16 100644 --- a/packages/termux-api/termux-api.c +++ b/packages/termux-api/termux-api.c @@ -77,11 +77,11 @@ void exec_am_broadcast(int argc, char** argv, char* input_address_string, char* void generate_uuid(char* str) { sprintf(str, "%x%x-%x-%x-%x-%x%x%x", - rand(), rand(), // Generates a 64-bit Hex number + arc4random(), arc4random(), // Generates a 64-bit Hex number (uint32_t) getpid(), // Generates a 32-bit Hex number - ((rand() & 0x0fff) | 0x4000), // Generates a 32-bit Hex number of the form 4xxx (4 indicates the UUID version) - rand() % 0x3fff + 0x8000, // Generates a 32-bit Hex number in the range [0x8000, 0xbfff] - rand(), rand(), rand()); // Generates a 96-bit Hex number + ((arc4random() & 0x0fff) | 0x4000), // Generates a 32-bit Hex number of the form 4xxx (4 indicates the UUID version) + arc4random() % 0x3fff + 0x8000, // Generates a 32-bit Hex number in the range [0x8000, 0xbfff] + arc4random(), arc4random(), arc4random()); // Generates a 96-bit Hex number } // Thread function which reads from stdin and writes to socket. @@ -120,11 +120,6 @@ int main(int argc, char** argv) { char input_address_string[100]; // This program reads from it. char output_address_string[100]; // This program writes to it. - // Seed the random number generator: - struct timeval time; - gettimeofday(&time,NULL); - srand((time.tv_sec * 1000) + (time.tv_usec / 1000)); - generate_uuid(input_address_string); generate_uuid(output_address_string);