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wget: add commented-out code to use ssl_helper instead of openssl

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2014-02-23 23:39:47 +01:00
parent d82046f59f
commit 53315570bb
1 changed files with 47 additions and 2 deletions
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49
networking/wget.c
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@ -527,12 +527,51 @@ static int spawn_https_helper(const char *host, unsigned port)
/* notreached */
}
/* parent process */
/* Parent */
free(allocated);
close(sp[1]);
return sp[0];
}
/* See networking/ssl_helper/README */
#define SSL_HELPER 0
#if SSL_HELPER
static void spawn_https_helper1(int network_fd)
{
int sp[2];
int pid;
if (socketpair(AF_UNIX, SOCK_STREAM, 0, sp) != 0)
/* Kernel can have AF_UNIX support disabled */
bb_perror_msg_and_die("socketpair");
pid = BB_MMU ? xfork() : xvfork();
if (pid == 0) {
/* Child */
char *argv[3];
close(sp[0]);
xmove_fd(sp[1], 0);
xdup2(0, 1);
xmove_fd(network_fd, 3);
/*
* A simple ssl/tls helper
*/
argv[0] = (char*)"ssl_helper";
argv[1] = (char*)"-d3";
argv[2] = NULL;
BB_EXECVP(argv[0], argv);
bb_perror_msg_and_die("can't execute '%s'", argv[0]);
/* notreached */
}
/* Parent */
close(sp[1]);
xmove_fd(sp[0], network_fd);
}
#endif
static void NOINLINE retrieve_file_data(FILE *dfp)
{
#if ENABLE_FEATURE_WGET_STATUSBAR || ENABLE_FEATURE_WGET_TIMEOUT
@ -775,13 +814,19 @@ static void download_one_url(const char *url)
/* Open socket to http(s) server */
if (target.protocol == P_HTTPS) {
/* openssl-based helper
* Inconvenient API since we can't give it an open fd,
*/
int fd = spawn_https_helper(server.host, server.port);
sfp = fdopen(fd, "r+");
if (!sfp)
bb_perror_msg_and_die(bb_msg_memory_exhausted);
} else
sfp = open_socket(lsa);
#if SSL_HELPER
if (target.protocol == P_HTTPS)
spawn_https_helper1(fileno(sfp));
#endif
/* Send HTTP request */
if (use_proxy) {
fprintf(sfp, "GET %s://%s/%s HTTP/1.1\r\n",