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| author | David Goulet <dgoulet@torproject.org> | 2022-02-08 09:30:50 -0500 |
|---|---|---|
| committer | David Goulet <dgoulet@torproject.org> | 2022-02-08 09:31:13 -0500 |
| commit | 9bf4a9e18a244dd9930a906e92d1f33bbc3bbf13 (patch) | |
| tree | 4550b5119180346fbc5d2f3664db003956e7fe3b /src/lib/tls | |
| parent | 9e86491cf861ac1beb9b92bc231f049415b8ed69 (diff) | |
| download | tor-9bf4a9e18a244dd9930a906e92d1f33bbc3bbf13.tar.gz tor-9bf4a9e18a244dd9930a906e92d1f33bbc3bbf13.zip | |
nss: Don't write empty payload on the wire
Part of #40548
Signed-off-by: David Goulet <dgoulet@torproject.org>
Diffstat (limited to 'src/lib/tls')
| -rw-r--r-- | src/lib/tls/tortls_nss.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/lib/tls/tortls_nss.c b/src/lib/tls/tortls_nss.c index b1007c6218..392747e930 100644 --- a/src/lib/tls/tortls_nss.c +++ b/src/lib/tls/tortls_nss.c @@ -588,6 +588,10 @@ tor_tls_write(tor_tls_t *tls, const char *cp, size_t n) tor_assert(cp || n == 0); tor_assert(n < INT_MAX); + if (n == 0) { + return 0; + } + PRInt32 rv = PR_Write(tls->ssl, cp, (int)n); // log_debug(LD_NET, "PR_Write(%zu) returned %d", n, (int)rv); if (rv > 0) { |