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Merge remote-tracking branch 'dgoulet/bug14554_026_v1'
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commit
aba90b2125
4
changes/bug14554
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4
changes/bug14554
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@ -0,0 +1,4 @@
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o Major bugfix
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- Possibility of an infinite loop if the returned value of the read/recv
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was 0. A returned value of 0 means that we've reached the EOF thus the
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pipe/sock is drained so return success not an error.
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@ -171,10 +171,12 @@ pipe_drain(int fd)
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{
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{
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char buf[32];
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char buf[32];
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ssize_t r;
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ssize_t r;
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while ((r = read_ni(fd, buf, sizeof(buf))) >= 0)
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do {
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;
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r = read_ni(fd, buf, sizeof(buf));
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if (r == 0 || errno != EAGAIN)
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} while (r > 0);
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if (r < 0 && errno != EAGAIN)
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return -1;
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return -1;
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/* A value of r = 0 means EOF on the fd so successfully drained. */
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return 0;
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return 0;
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}
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}
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#endif
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#endif
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@ -193,10 +195,12 @@ sock_drain(tor_socket_t fd)
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{
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{
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char buf[32];
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char buf[32];
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ssize_t r;
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ssize_t r;
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while ((r = recv_ni(fd, buf, sizeof(buf), 0)) >= 0)
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do {
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;
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r = recv_ni(fd, buf, sizeof(buf), 0);
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if (r == 0 || !ERRNO_IS_EAGAIN(tor_socket_errno(fd)))
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} while (r > 0);
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if (r < 0 && !ERRNO_IS_EAGAIN(tor_socket_errno(fd)))
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return -1;
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return -1;
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/* A value of r = 0 means EOF on the fd so successfully drained. */
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return 0;
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return 0;
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}
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}
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