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author | cjihrig <cjihrig@gmail.com> | 2019-10-19 16:46:32 -0500 |
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committer | cjihrig <cjihrig@gmail.com> | 2019-10-20 10:13:31 -0500 |
commit | 7d433a936bce26707f7a10bb56b121fe0dfb0a66 (patch) | |
tree | ee46549068d0ba1c62b2cca0a9036182d70e0682 /deps/uv/src/unix/random-getentropy.c | |
parent | 0822bfaa9f52aea289abd0e15a90b0df2e12f7e1 (diff) | |
download | android-node-v8-7d433a936bce26707f7a10bb56b121fe0dfb0a66.tar.gz android-node-v8-7d433a936bce26707f7a10bb56b121fe0dfb0a66.tar.bz2 android-node-v8-7d433a936bce26707f7a10bb56b121fe0dfb0a66.zip |
deps: upgrade to libuv 1.33.1
Notable changes:
- uv_random() has been added.
- More work to read those pesky Windows
environment variables.
- Several build fixes for Tier 3 platforms (Android,
NetBSD, OpenBSD, Haiku).
- Stop using fsevents to watch files (using kqueue again).
PR-URL: https://github.com/nodejs/node/pull/29996
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: David Carlier <devnexen@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Diffstat (limited to 'deps/uv/src/unix/random-getentropy.c')
-rw-r--r-- | deps/uv/src/unix/random-getentropy.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/deps/uv/src/unix/random-getentropy.c b/deps/uv/src/unix/random-getentropy.c new file mode 100644 index 0000000000..c45d9fd4a2 --- /dev/null +++ b/deps/uv/src/unix/random-getentropy.c @@ -0,0 +1,57 @@ +/* Copyright libuv contributors. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ + +#include "uv.h" +#include "internal.h" + +#include <stddef.h> +#include <dlfcn.h> + +typedef int (*uv__getentropy_cb)(void *, size_t); + +static uv__getentropy_cb uv__getentropy; +static uv_once_t once = UV_ONCE_INIT; + + +static void uv__random_getentropy_init(void) { + uv__getentropy = (uv__getentropy_cb) dlsym(RTLD_DEFAULT, "getentropy"); +} + + +int uv__random_getentropy(void* buf, size_t buflen) { + size_t pos; + size_t stride; + + uv_once(&once, uv__random_getentropy_init); + + if (uv__getentropy == NULL) + return UV_ENOSYS; + + /* getentropy() returns an error for requests > 256 bytes. */ + for (pos = 0, stride = 256; pos + stride < buflen; pos += stride) + if (uv__getentropy((char *) buf + pos, stride)) + return UV__ERR(errno); + + if (uv__getentropy((char *) buf + pos, buflen - pos)) + return UV__ERR(errno); + + return 0; +} |