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Rework main SSL logic for OpenSSL 1.1.x 

Also, initialize openssl as early as possible.  (Brandon notes: this
breaks compatibility with older systems, but he will follow up with a
patch fixing the problem.)
This commit is contained in:
Lutz Mändle 2021-10-08 09:22:38 -04:00 committed by Brandon Rhodes
parent b421f91a9b
commit 733cdef5e5
1 changed files with 27 additions and 11 deletions
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36
GUI/xephem/netmenu.c
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@ -72,24 +72,35 @@ static int rb_unk; /* index of first unknown char */
static char netcategory[] = "Network"; /* Save category */
static SSL_METHOD *ssl_method; /* global ssl dispatch structure for creating a ssl context */
static const SSL_METHOD *ssl_method; /* global ssl dispatch structure for creating a ssl context */
static SSL_CTX *ssl_ctx; /* global ssl context structure for creating ssl connections */
/* initalize the OpenSSL library.
* return -1 and with excuse in msg[], else 0 if ok.
* N.B. is called implicit in httpsGET.
*/
int
init_ssl(char msg[])
{
if (!ssl_ctx) {
if (!OPENSSL_init_ssl (0, NULL)) { /* since openssl 1.1.x */
(void) sprintf (msg, "Could not initialize the OpenSSL library!");
return (-1);
} else {
ssl_method = TLS_client_method(); /* since openssl 1.1.x */
ssl_ctx = SSL_CTX_new (ssl_method);
SSL_CTX_set_options (ssl_ctx, SSL_OP_NO_SSLv2);
};
}
return (0);
}
/* call to set up without actually bringing up the menus.
*/
void
net_create()
{
if (!netshell_w) {
if (SSL_library_init() < 0) {
fprintf (stderr, "Could not initialize the OpenSSL library !\n");
} else {
ssl_method = SSLv23_client_method(); /* deprecated since openssl 1.1.x */
// ssl_method = TLS_client_method(); /* since openssl 1.1.x */
ssl_ctx = SSL_CTX_new (ssl_method);
SSL_CTX_set_options (ssl_ctx, SSL_OP_NO_SSLv2);
};
net_create_form();
(void) net_save(); /* confirming here is just annoying */
}
@ -496,6 +507,11 @@ httpsGET (char *host, char *GETcmd, char msg[], XE_SSL_FD *ssl_fd)
int ret;
int httpsport = 443;
/* initialize the ssl library */
if (init_ssl (msg) < 0) {
return (-1);
}
/* open connection */
if (proxy_on) {
fd = mkconnection (proxy_host, proxy_port, msg);