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Added guard code to avoid issue when decoding PEM but not keeping data.
[BearSSL]
/
src
/
ssl
/
ssl_io.c
diff --git
a/src/ssl/ssl_io.c
b/src/ssl/ssl_io.c
index
b409636
..
1952615
100644
(file)
--- a/
src/ssl/ssl_io.c
+++ b/
src/ssl/ssl_io.c
@@
-149,6
+149,9
@@
br_sslio_read(br_sslio_context *ctx, void *dst, size_t len)
unsigned char *buf;
size_t alen;
unsigned char *buf;
size_t alen;
+ if (len == 0) {
+ return 0;
+ }
if (run_until(ctx, BR_SSL_RECVAPP) < 0) {
return -1;
}
if (run_until(ctx, BR_SSL_RECVAPP) < 0) {
return -1;
}
@@
-188,6
+191,9
@@
br_sslio_write(br_sslio_context *ctx, const void *src, size_t len)
unsigned char *buf;
size_t alen;
unsigned char *buf;
size_t alen;
+ if (len == 0) {
+ return 0;
+ }
if (run_until(ctx, BR_SSL_SENDAPP) < 0) {
return -1;
}
if (run_until(ctx, BR_SSL_SENDAPP) < 0) {
return -1;
}