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polarssl: fix ALPN protocol negotiation

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Correctly check for strncmp() return value (it returns 0 if the strings
match).
This commit is contained in:
Alessandro Ghedini
2015-02-19 19:55:59 +01:00
committed by Daniel Stenberg
parent b723ec9905
commit 633b3895d7
1 changed files with 2 additions and 2 deletions
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4
lib/vtls/polarssl.c
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@@ -468,11 +468,11 @@ polarssl_connect_step2(struct connectdata *conn,
if(next_protocol != NULL) { if(next_protocol != NULL) {
infof(data, "ALPN, server accepted to use %s\n", next_protocol); infof(data, "ALPN, server accepted to use %s\n", next_protocol);
if(strncmp(next_protocol, NGHTTP2_PROTO_VERSION_ID, if(!strncmp(next_protocol, NGHTTP2_PROTO_VERSION_ID,
NGHTTP2_PROTO_VERSION_ID_LEN)) { NGHTTP2_PROTO_VERSION_ID_LEN)) {
conn->negnpn = NPN_HTTP2; conn->negnpn = NPN_HTTP2;
} }
else if(strncmp(next_protocol, ALPN_HTTP_1_1, ALPN_HTTP_1_1_LENGTH)) { else if(!strncmp(next_protocol, ALPN_HTTP_1_1, ALPN_HTTP_1_1_LENGTH)) {
conn->negnpn = NPN_HTTP1_1; conn->negnpn = NPN_HTTP1_1;
} }
} }