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comparison random.c @ 735:73b6e5d8801b

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Fix segfault when /dev/urandom isn't writable
author Matt Johnston <matt@ucc.asn.au>
date Tue, 02 Apr 2013 18:53:18 +0800
parents 84157e435c52
children 7deb6fda1319
comparison
equal deleted inserted replaced
733:70811267715c 735:73b6e5d8801b
155 { 155 {
156 #ifndef DROPBEAR_PRNGD_SOCKET 156 #ifndef DROPBEAR_PRNGD_SOCKET
157 /* This is opportunistic, don't worry about failure */ 157 /* This is opportunistic, don't worry about failure */
158 unsigned char buf[INIT_SEED_SIZE]; 158 unsigned char buf[INIT_SEED_SIZE];
159 FILE *f = fopen(DROPBEAR_URANDOM_DEV, "w"); 159 FILE *f = fopen(DROPBEAR_URANDOM_DEV, "w");
160 if (!f) {
161 return;
162 }
160 genrandom(buf, sizeof(buf)); 163 genrandom(buf, sizeof(buf));
161 fwrite(buf, sizeof(buf), 1, f); 164 fwrite(buf, sizeof(buf), 1, f);
162 fclose(f); 165 fclose(f);
163 #endif 166 #endif
164 } 167 }