diff options
Diffstat (limited to 'src/netops.c')
| -rw-r--r-- | src/netops.c | 68 |
1 files changed, 36 insertions, 32 deletions
diff --git a/src/netops.c b/src/netops.c index ad27d84cf..adbae61c4 100644 --- a/src/netops.c +++ b/src/netops.c @@ -13,6 +13,7 @@ # include <netinet/in.h> # include <arpa/inet.h> #else +# include <winsock2.h> # include <ws2tcpip.h> # ifdef _MSC_VER # pragma comment(lib, "ws2_32") @@ -33,6 +34,7 @@ #include "posix.h" #include "buffer.h" #include "http_parser.h" +#include "global.h" #ifdef GIT_WIN32 static void net_set_error(const char *str) @@ -157,7 +159,7 @@ void gitno_buffer_setup_callback( void gitno_buffer_setup(gitno_socket *socket, gitno_buffer *buf, char *data, size_t len) { #ifdef GIT_SSL - if (socket->ssl.ctx) { + if (socket->ssl.ssl) { gitno_buffer_setup_callback(socket, buf, data, len, gitno__recv_ssl, NULL); return; } @@ -202,12 +204,13 @@ static int gitno_ssl_teardown(gitno_ssl *ssl) ret = 0; SSL_free(ssl->ssl); - SSL_CTX_free(ssl->ctx); return ret; } +#endif + /* Match host names according to RFC 2818 rules */ -static int match_host(const char *pattern, const char *host) +int gitno__match_host(const char *pattern, const char *host) { for (;;) { char c = tolower(*pattern++); @@ -230,9 +233,9 @@ static int match_host(const char *pattern, const char *host) while(*host) { char h = tolower(*host); if (c == h) - return match_host(pattern, host++); + return gitno__match_host(pattern, host++); if (h == '.') - return match_host(pattern, host); + return gitno__match_host(pattern, host); host++; } return -1; @@ -250,12 +253,14 @@ static int check_host_name(const char *name, const char *host) if (!strcasecmp(name, host)) return 0; - if (match_host(name, host) < 0) + if (gitno__match_host(name, host) < 0) return -1; return 0; } +#ifdef GIT_SSL + static int verify_server_cert(gitno_ssl *ssl, const char *host) { X509 *cert; @@ -287,6 +292,10 @@ static int verify_server_cert(gitno_ssl *ssl, const char *host) cert = SSL_get_peer_certificate(ssl->ssl); + if (!cert) { + giterr_set(GITERR_SSL, "the server did not provide a certificate"); + return -1; + } /* Check the alternative names */ alts = X509_get_ext_d2i(cert, NID_subject_alt_name, NULL, NULL); @@ -321,7 +330,7 @@ static int verify_server_cert(gitno_ssl *ssl, const char *host) GENERAL_NAMES_free(alts); if (matched == 0) - goto cert_fail; + goto cert_fail_name; if (matched == 1) return 0; @@ -358,11 +367,11 @@ static int verify_server_cert(gitno_ssl *ssl, const char *host) int size = ASN1_STRING_to_UTF8(&peer_cn, str); GITERR_CHECK_ALLOC(peer_cn); if (memchr(peer_cn, '\0', size)) - goto cert_fail; + goto cert_fail_name; } if (check_host_name((char *)peer_cn, host) < 0) - goto cert_fail; + goto cert_fail_name; OPENSSL_free(peer_cn); @@ -372,28 +381,22 @@ on_error: OPENSSL_free(peer_cn); return ssl_set_error(ssl, 0); -cert_fail: +cert_fail_name: OPENSSL_free(peer_cn); - giterr_set(GITERR_SSL, "Certificate host name check failed"); - return -1; + giterr_set(GITERR_SSL, "hostname does not match certificate"); + return GIT_ECERTIFICATE; } -static int ssl_setup(gitno_socket *socket, const char *host, int flags) +static int ssl_setup(gitno_socket *socket, const char *host) { int ret; - SSL_library_init(); - SSL_load_error_strings(); - socket->ssl.ctx = SSL_CTX_new(SSLv23_method()); - if (socket->ssl.ctx == NULL) - return ssl_set_error(&socket->ssl, 0); - - SSL_CTX_set_mode(socket->ssl.ctx, SSL_MODE_AUTO_RETRY); - SSL_CTX_set_verify(socket->ssl.ctx, SSL_VERIFY_NONE, NULL); - if (!SSL_CTX_set_default_verify_paths(socket->ssl.ctx)) - return ssl_set_error(&socket->ssl, 0); + if (git__ssl_ctx == NULL) { + giterr_set(GITERR_NET, "OpenSSL initialization failed"); + return -1; + } - socket->ssl.ssl = SSL_new(socket->ssl.ctx); + socket->ssl.ssl = SSL_new(git__ssl_ctx); if (socket->ssl.ssl == NULL) return ssl_set_error(&socket->ssl, 0); @@ -403,9 +406,6 @@ static int ssl_setup(gitno_socket *socket, const char *host, int flags) if ((ret = SSL_connect(socket->ssl.ssl)) <= 0) return ssl_set_error(&socket->ssl, ret); - if (GITNO_CONNECT_SSL_NO_CHECK_CERT & flags) - return 0; - return verify_server_cert(&socket->ssl, host); } #endif @@ -458,7 +458,7 @@ int gitno_connect(gitno_socket *s_out, const char *host, const char *port, int f hints.ai_socktype = SOCK_STREAM; hints.ai_family = AF_UNSPEC; - if ((ret = p_getaddrinfo(host, port, &hints, &info)) < 0) { + if ((ret = p_getaddrinfo(host, port, &hints, &info)) != 0) { giterr_set(GITERR_NET, "Failed to resolve address for %s: %s", host, p_gai_strerror(ret)); return -1; @@ -491,8 +491,9 @@ int gitno_connect(gitno_socket *s_out, const char *host, const char *port, int f p_freeaddrinfo(info); #ifdef GIT_SSL - if ((flags & GITNO_CONNECT_SSL) && ssl_setup(s_out, host, flags) < 0) - return -1; + if ((flags & GITNO_CONNECT_SSL) && + (ret = ssl_setup(s_out, host)) < 0) + return ret; #else /* SSL is not supported */ if (flags & GITNO_CONNECT_SSL) { @@ -530,7 +531,7 @@ int gitno_send(gitno_socket *socket, const char *msg, size_t len, int flags) size_t off = 0; #ifdef GIT_SSL - if (socket->ssl.ctx) + if (socket->ssl.ssl) return gitno_send_ssl(&socket->ssl, msg, len, flags); #endif @@ -551,7 +552,7 @@ int gitno_send(gitno_socket *socket, const char *msg, size_t len, int flags) int gitno_close(gitno_socket *s) { #ifdef GIT_SSL - if (s->ssl.ctx && + if (s->ssl.ssl && gitno_ssl_teardown(&s->ssl) < 0) return -1; #endif @@ -715,6 +716,9 @@ int gitno_extract_url_parts( if (u.field_set & (1 << UF_PATH)) { *path = git__substrdup(_path, u.field_data[UF_PATH].len); GITERR_CHECK_ALLOC(*path); + } else { + giterr_set(GITERR_NET, "invalid url, missing path"); + return GIT_EINVALIDSPEC; } if (u.field_set & (1 << UF_USERINFO)) { |
