e8971f3db3
This is an automated DistroBaker update from upstream sources. If you do not know what this is about or would like to opt out, contact the OSCI team. Source: https://src.fedoraproject.org/rpms/libgcrypt.git#93ba00ab6ffe91bb52a03bc4a9ddfdf6756afacf
78 lines
2.6 KiB
Diff
78 lines
2.6 KiB
Diff
diff -up libgcrypt-1.8.4/random/rndlinux.c.use-poll libgcrypt-1.8.4/random/rndlinux.c
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--- libgcrypt-1.8.4/random/rndlinux.c.use-poll 2018-10-26 13:50:20.000000000 +0200
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+++ libgcrypt-1.8.4/random/rndlinux.c 2018-11-20 15:51:56.760669058 +0100
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@@ -32,6 +32,7 @@
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#include <string.h>
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#include <unistd.h>
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#include <fcntl.h>
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+#include <poll.h>
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#if defined(__APPLE__) && defined(__MACH__)
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extern int getentropy (void *buf, size_t buflen) __attribute__ ((weak_import));
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#define HAVE_GETENTROPY
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@@ -241,9 +242,8 @@ _gcry_rndlinux_gather_random (void (*add
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return with something we will actually use 100ms. */
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while (length)
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{
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- fd_set rfds;
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- struct timeval tv;
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int rc;
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+ struct pollfd pfd;
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/* If we have a modern operating system, we first try to use the new
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* getentropy function. That call guarantees that the kernel's
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@@ -300,36 +300,25 @@ _gcry_rndlinux_gather_random (void (*add
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any_need_entropy = 1;
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}
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- /* If the system has no limit on the number of file descriptors
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- and we encounter an fd which is larger than the fd_set size,
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- we don't use the select at all. The select code is only used
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- to emit progress messages. A better solution would be to
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- fall back to poll() if available. */
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-#ifdef FD_SETSIZE
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- if (fd < FD_SETSIZE)
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-#endif
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+ pfd.fd = fd;
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+ pfd.events = POLLIN;
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+
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+ _gcry_pre_syscall ();
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+ rc = poll(&pfd, 1, delay);
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+ _gcry_post_syscall ();
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+ if (!rc)
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{
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- FD_ZERO(&rfds);
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- FD_SET(fd, &rfds);
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- tv.tv_sec = delay;
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- tv.tv_usec = delay? 0 : 100000;
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- _gcry_pre_syscall ();
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- rc = select (fd+1, &rfds, NULL, NULL, &tv);
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- _gcry_post_syscall ();
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- if (!rc)
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- {
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- any_need_entropy = 1;
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- delay = 3; /* Use 3 seconds henceforth. */
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- continue;
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- }
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- else if( rc == -1 )
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- {
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- log_error ("select() error: %s\n", strerror(errno));
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- if (!delay)
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- delay = 1; /* Use 1 second if we encounter an error before
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- we have ever blocked. */
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- continue;
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- }
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+ any_need_entropy = 1;
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+ delay = 3000; /* Use 3 seconds henceforth. */
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+ continue;
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+ }
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+ else if( rc == -1 )
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+ {
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+ log_error ("poll() error: %s\n", strerror(errno));
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+ if (!delay)
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+ delay = 1000; /* Use 1 second if we encounter an error before
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+ we have ever blocked. */
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+ continue;
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}
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do
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