#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>

#include "rnd.h"
#include "die.h"
#include "ioexact.h"
#include "ioops.h"

static int fdw = -1;

static void randombytes_weak(unsigned char *x, size_t xlen)
{
	int ret;

	if (fdw == -1) {
		for (;;) {
			fdw = open(LOW_ENTROPY_SOURCE, O_RDONLY);
			if (fdw != -1)
				break;
			sleep(1);
		}
	}

	while (xlen > 0) {
		if (xlen < 1048576)
			ret = xlen;
		else
			ret = 1048576;

		ret = read(fdw, x, ret);
		if (ret < 1) {
			sleep(1);
			continue;
		}

		x += ret;
		xlen -= ret;
	}
}

static void randombytes_strong(unsigned char *x, size_t xlen)
{
	int fds, ret;

	fds = open_or_die(HIG_ENTROPY_SOURCE, O_RDONLY);

	ret = read_exact(fds, x, xlen, 0);
	if (ret != (int) xlen)
		panic("Error reading from entropy source!\n");

	close(fds);
}

int secrand(void)
{
	int ret;

	randombytes_weak((void *) &ret, sizeof(ret));

	return ret;
}

void gen_key_bytes(unsigned char *area, size_t len)
{
	randombytes_strong(area, len);
}
1b999489efb591287632279c6c9eca3e4ed'/><select name='h' onchange='this.form.submit();'>
<option value='emaclite-cleanup'>emaclite-cleanup</option>
<option value='master'>master</option>
<option value='nds-private-remove' selected='selected'>nds-private-remove</option>
<option value='packet-loop-back'>packet-loop-back</option>
<option value='packet-rx-pump-back'>packet-rx-pump-back</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>net-next plumbings</td><td class='sub right'>Tobias Klauser</td></tr></table>
<table class='tabs'><tr><td>
<a href='/cgit.cgi/linux/net-next.git/?h=nds-private-remove'>summary</a><a href='/cgit.cgi/linux/net-next.git/refs/?h=nds-private-remove&amp;id=a572a1b999489efb591287632279c6c9eca3e4ed'>refs</a><a href='/cgit.cgi/linux/net-next.git/log/arch?h=nds-private-remove'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/arch?h=nds-private-remove&amp;id=a572a1b999489efb591287632279c6c9eca3e4ed'>tree</a><a class='active' href='/cgit.cgi/linux/net-next.git/commit/arch?h=nds-private-remove&amp;id=a572a1b999489efb591287632279c6c9eca3e4ed'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/arch?h=nds-private-remove&amp;id=a572a1b999489efb591287632279c6c9eca3e4ed'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/arch'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=a572a1b999489efb591287632279c6c9eca3e4ed'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/arch?h=nds-private-remove&amp;id=a572a1b999489efb591287632279c6c9eca3e4ed'>arch</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='a572a1b999489efb591287632279c6c9eca3e4ed'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-02-04 12:18:01 -0800</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-02-04 12:18:01 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/arch?h=nds-private-remove&amp;id=a572a1b999489efb591287632279c6c9eca3e4ed'>a572a1b999489efb591287632279c6c9eca3e4ed</a> (<a href='/cgit.cgi/linux/net-next.git/patch/arch?id=a572a1b999489efb591287632279c6c9eca3e4ed'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?h=nds-private-remove&amp;id=a572a1b999489efb591287632279c6c9eca3e4ed'>9bcb859aec2cfce13a896c46f4b41d4abd881830</a> /<a href='/cgit.cgi/linux/net-next.git/tree/arch?h=nds-private-remove&amp;id=a572a1b999489efb591287632279c6c9eca3e4ed'>arch</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/arch?h=nds-private-remove&amp;id=24bc5fe716855e5e608c515340b3ceacfb143bcc'>24bc5fe716855e5e608c515340b3ceacfb143bcc</a> (<a href='/cgit.cgi/linux/net-next.git/diff/arch?h=nds-private-remove&amp;id=a572a1b999489efb591287632279c6c9eca3e4ed&amp;id2=24bc5fe716855e5e608c515340b3ceacfb143bcc'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/arch?h=nds-private-remove&amp;id=aaaec6fc755447a1d056765b11b24d8ff2b81366'>aaaec6fc755447a1d056765b11b24d8ff2b81366</a> (<a href='/cgit.cgi/linux/net-next.git/diff/arch?h=nds-private-remove&amp;id=a572a1b999489efb591287632279c6c9eca3e4ed&amp;id2=aaaec6fc755447a1d056765b11b24d8ff2b81366'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip</div><div class='commit-msg'>Pull irq fixes from Thomas Gleixner:

 - Prevent double activation of interrupt lines, which causes problems
   on certain interrupt controllers

 - Handle the fallout of the above because x86 (ab)uses the activation
   function to reconfigure interrupts under the hood.

* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/irq: Make irq activate operations symmetric
  irqdomain: Avoid activating interrupts more than once
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=a572a1b999489efb591287632279c6c9eca3e4ed'>Diffstat</a> (limited to 'arch')</div><table summary='diffstat' class='diffstat'>