annotate patches/nss-urandom-abort.patch @ 0:1e5118fa0cb1

This is NSS with a Cmake Buildsyste To compile a static NSS library for Windows we've used the Chromium-NSS fork and added a Cmake buildsystem to compile it statically for Windows. See README.chromium for chromium changes and README.trustbridge for our modifications.
author Andre Heinecke <andre.heinecke@intevation.de>
date Mon, 28 Jul 2014 10:47:06 +0200
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1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
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1 diff -r c3565a90b8c4 lib/freebl/unix_rand.c
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2 --- a/lib/freebl/unix_rand.c Fri Jan 03 20:59:10 2014 +0100
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3 +++ b/lib/freebl/unix_rand.c Tue Jan 07 11:28:59 2014 -0800
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4 @@ -916,8 +916,19 @@
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5 #if defined(BSDI) || defined(FREEBSD) || defined(NETBSD) \
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6 || defined(OPENBSD) || defined(DARWIN) || defined(LINUX) \
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7 || defined(HPUX)
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8 - if (bytes)
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9 + if (bytes == SYSTEM_RNG_SEED_COUNT)
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10 return;
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11 +
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12 + /*
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13 + * Modified to abort the process if it failed to read from /dev/urandom.
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14 + *
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15 + * See crbug.com/244661 for details.
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16 + */
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17 + fprintf(stderr, "[ERROR:%s(%d)] NSS read %zu bytes (expected %d bytes) "
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18 + "from /dev/urandom. Abort process.\n", __FILE__, __LINE__,
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19 + bytes, SYSTEM_RNG_SEED_COUNT);
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20 + fflush(stderr);
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21 + abort();
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22 #endif
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23
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24 #ifdef SOLARIS
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25 @@ -1134,6 +1145,11 @@
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26 }
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27 }
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28
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29 +/*
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30 + * Modified to abort the process if it failed to read from /dev/urandom.
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31 + *
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32 + * See crbug.com/244661 for details.
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33 + */
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34 size_t RNG_SystemRNG(void *dest, size_t maxLen)
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35 {
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36 FILE *file;
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37 @@ -1144,7 +1160,10 @@
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38
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39 file = fopen("/dev/urandom", "r");
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40 if (file == NULL) {
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41 - return rng_systemFromNoise(dest, maxLen);
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42 + fprintf(stderr, "[ERROR:%s(%d)] NSS failed to read from /dev/urandom. "
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43 + "Abort process.\n", __FILE__, __LINE__);
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44 + fflush(stderr);
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45 + abort();
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46 }
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47 /* Read from the underlying file descriptor directly to bypass stdio
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48 * buffering and avoid reading more bytes than we need from /dev/urandom.
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49 @@ -1164,8 +1183,10 @@
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50 }
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51 fclose(file);
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52 if (fileBytes != maxLen) {
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53 - PORT_SetError(SEC_ERROR_NEED_RANDOM); /* system RNG failed */
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54 - fileBytes = 0;
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55 + fprintf(stderr, "[ERROR:%s(%d)] NSS failed to read from /dev/urandom. "
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56 + "Abort process.\n", __FILE__, __LINE__);
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57 + fflush(stderr);
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58 + abort();
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59 }
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60 return fileBytes;
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61 }
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