From 81d318fa95af55d53280e6efce263f227c201d68 Mon Sep 17 00:00:00 2001 From: Johannes Schindelin Date: Fri, 18 Aug 2017 13:01:38 +0200 Subject: version: if built with more than one SSL backend, report all of them To discern the active one from the inactive ones, put the latter into parentheses. Signed-off-by: Johannes Schindelin --- lib/vtls/vtls.c | 51 ++++++++++++++++++++++++++++++++++++++++++++------- 1 file changed, 44 insertions(+), 7 deletions(-) diff --git a/lib/vtls/vtls.c b/lib/vtls/vtls.c index 5d125141f..26de25e36 100644 --- a/lib/vtls/vtls.c +++ b/lib/vtls/vtls.c @@ -596,9 +596,15 @@ CURLcode Curl_ssl_initsessions(struct Curl_easy *data, size_t amount) return CURLE_OK; } +static size_t Curl_multissl_version(char *buffer, size_t size); + size_t Curl_ssl_version(char *buffer, size_t size) { +#ifdef CURL_WITH_MULTI_SSL + return Curl_multissl_version(buffer, size); +#else return Curl_ssl->version(buffer, size); +#endif } /* @@ -1061,13 +1067,6 @@ static int Curl_multissl_init(void) return Curl_ssl->init(); } -static size_t Curl_multissl_version(char *buffer, size_t size) -{ - if(multissl_init(NULL)) - return 0; - return Curl_ssl->version(buffer, size); -} - static CURLcode Curl_multissl_connect(struct connectdata *conn, int sockindex) { if(multissl_init(NULL)) @@ -1167,6 +1166,44 @@ static const struct Curl_ssl *available_backends[] = { NULL }; +static size_t Curl_multissl_version(char *buffer, size_t size) +{ + static const struct Curl_ssl *selected; + static char backends[200]; + static size_t total; + const struct Curl_ssl *current; + + current = Curl_ssl == &Curl_ssl_multi ? available_backends[0] : Curl_ssl; + + if(current != selected) { + char *p = backends; + int i; + + selected = current; + + for(i = 0; available_backends[i]; i++) { + if(i) + *(p++) = ' '; + if(selected != available_backends[i]) + *(p++) = '('; + p += available_backends[i]->version(p, backends + sizeof(backends) - p); + if(selected != available_backends[i]) + *(p++) = ')'; + } + *p = '\0'; + total = p - backends; + } + + if(size < total) + memcpy(buffer, backends, total + 1); + else { + memcpy(buffer, backends, size - 1); + buffer[size - 1] = '\0'; + } + + return total; +} + static int multissl_init(const struct Curl_ssl *backend) { const char *env; -- cgit v1.2.3