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Merge pull request #283 from DeforaNetworks/khorben/srandom

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Seed random() at least a bit before using random()
This commit is contained in:
Michael Rash
2018-08-06 20:49:49 -04:00
committed by GitHub
parent 2766648afd f00d44deac
commit 108290c6f3
1 changed files with 3 additions and 0 deletions
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client/spa_comm.c
+3
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@@ -250,6 +250,7 @@ send_spa_packet_tcp_raw(const char *spa_data, const int sd_len,
/* Total size is header plus payload */
iph->tot_len = hdrlen + sd_len;
/* The value here does not matter */
srandom(time(NULL) ^ getuid() ^ (getgid() << 16) ^ getpid());
iph->id = random() & 0xffff;
iph->frag_off = 0;
iph->ttl = RAW_SPA_TTL;
@@ -363,6 +364,7 @@ send_spa_packet_udp_raw(const char *spa_data, const int sd_len,
/* Total size is header plus payload */
iph->tot_len = hdrlen + sd_len;
/* The value here does not matter */
srandom(time(NULL) ^ getuid() ^ (getgid() << 16) ^ getpid());
iph->id = random() & 0xffff;
iph->frag_off = 0;
iph->ttl = RAW_SPA_TTL;
@@ -462,6 +464,7 @@ send_spa_packet_icmp(const char *spa_data, const int sd_len,
/* Total size is header plus payload */
iph->tot_len = hdrlen + sd_len;
/* The value here does not matter */
srandom(time(NULL) ^ getuid() ^ (getgid() << 16) ^ getpid());
iph->id = random() & 0xffff;
iph->frag_off = 0;
iph->ttl = RAW_SPA_TTL;