typedef unsigned int u_int;
#endif
-#define USE_SOCKETS
-#include "apps.h"
-#undef USE_SOCKETS
-#include "s_apps.h"
-#include <openssl/ssl.h>
-
-#ifdef FLAT_INC
-# include "e_os.h"
-#else
-# include "../e_os.h"
-#endif
-
#ifndef OPENSSL_NO_SOCK
-# if defined(OPENSSL_SYS_NETWARE) && defined(NETWARE_BSDSOCK)
-# include "netdb.h"
-# endif
+# define USE_SOCKETS
+# include "apps.h"
+# undef USE_SOCKETS
+# include "s_apps.h"
-# if defined(OPENSSL_SYS_WINDOWS) || (defined(OPENSSL_SYS_NETWARE) && !defined(NETWARE_BSDSOCK))
-static void ssl_sock_cleanup(void);
-# endif
-static int ssl_sock_init(void);
-static int init_client_ip(int *sock, const unsigned char ip[4], int port,
- int type);
-static int init_server(int *sock, int port, int type);
-static int init_server_long(int *sock, int port, char *ip, int type);
-static int do_accept(int acc_sock, int *sock, char **host);
-static int host_ip(const char *str, unsigned char ip[4]);
-# ifndef NO_SYS_UN_H
-static int init_server_unix(int *sock, const char *path);
-static int do_accept_unix(int acc_sock, int *sock);
-# endif
+# include <openssl/bio.h>
+# include <openssl/err.h>
-# if defined(OPENSSL_SYS_NETWARE) && !defined(NETWARE_BSDSOCK)
-static int wsa_init_done = 0;
-# endif
-
-# ifdef OPENSSL_SYS_WINDOWS
-static struct WSAData wsa_state;
-static int wsa_init_done = 0;
-
-# endif /* OPENSSL_SYS_WINDOWS */
-
-# ifdef OPENSSL_SYS_WINDOWS
-static void ssl_sock_cleanup(void)
-{
- if (wsa_init_done) {
- wsa_init_done = 0;
-# ifndef OPENSSL_SYS_WINCE
- WSACancelBlockingCall();
-# endif
- WSACleanup();
- }
-}
-# elif defined(OPENSSL_SYS_NETWARE) && !defined(NETWARE_BSDSOCK)
-static void sock_cleanup(void)
+/*
+ * init_client - helper routine to set up socket communication
+ * @sock: pointer to storage of resulting socket.
+ * @host: the host name or path (for AF_UNIX) to connect to.
+ * @port: the port to connect to (ignored for AF_UNIX).
+ * @family: desired socket family, may be AF_INET, AF_INET6, AF_UNIX or
+ * AF_UNSPEC
+ * @type: socket type, must be SOCK_STREAM or SOCK_DGRAM
+ *
+ * This will create a socket and use it to connect to a host:port, or if
+ * family == AF_UNIX, to the path found in host.
+ *
+ * If the host has more than one address, it will try them one by one until
+ * a successful connection is established. The resulting socket will be
+ * found in *sock on success, it will be given INVALID_SOCKET otherwise.
+ *
+ * Returns 1 on success, 0 on failure.
+ */
+int init_client(int *sock, const char *host, const char *port,
+ int family, int type)
{
- if (wsa_init_done) {
- wsa_init_done = 0;
- WSACleanup();
- }
-}
-# endif
+ BIO_ADDRINFO *res = NULL;
+ const BIO_ADDRINFO *ai = NULL;
+ int ret;
-static int ssl_sock_init(void)
-{
-# ifdef WATT32
- extern int _watt_do_exit;
- _watt_do_exit = 0;
- if (sock_init())
- return (0);
-# elif defined(OPENSSL_SYS_WINDOWS)
- if (!wsa_init_done) {
- int err;
+ if (!BIO_sock_init())
+ return 0;
-# ifdef SIGINT
- signal(SIGINT, (void (*)(int))ssl_sock_cleanup);
-# endif
- wsa_init_done = 1;
- memset(&wsa_state, 0, sizeof(wsa_state));
- if (WSAStartup(0x0101, &wsa_state) != 0) {
- err = WSAGetLastError();
- BIO_printf(bio_err, "unable to start WINSOCK, error code=%d\n",
- err);
- return (0);
- }
+ ret = BIO_lookup(host, port, BIO_LOOKUP_CLIENT, family, type, &res);
+ if (ret == 0) {
+ ERR_print_errors(bio_err);
+ return 0;
}
-# elif defined(OPENSSL_SYS_NETWARE) && !defined(NETWARE_BSDSOCK)
- WORD wVerReq;
- WSADATA wsaData;
- int err;
-
- if (!wsa_init_done) {
-
-# ifdef SIGINT
- signal(SIGINT, (void (*)(int))sock_cleanup);
-# endif
- wsa_init_done = 1;
- wVerReq = MAKEWORD(2, 0);
- err = WSAStartup(wVerReq, &wsaData);
- if (err != 0) {
- BIO_printf(bio_err, "unable to start WINSOCK2, error code=%d\n",
- err);
- return (0);
- }
- }
+ ret = 0;
+ for (ai = res; ai != NULL; ai = BIO_ADDRINFO_next(ai)) {
+ int protocol = (type == SOCK_STREAM ? IPPROTO_TCP : IPPROTO_UDP);
+# ifdef AF_UNIX
+ if (BIO_ADDRINFO_family(ai) == AF_UNIX)
+ protocol = 0;
# endif
- return (1);
-}
-
-int init_client(int *sock, const char *host, int port, int type)
-{
- unsigned char ip[4];
-
- ip[0] = ip[1] = ip[2] = ip[3] = 0;
- if (!host_ip(host, &(ip[0])))
- return 0;
- return init_client_ip(sock, ip, port, type);
-}
-
-static int init_client_ip(int *sock, const unsigned char ip[4], int port,
- int type)
-{
- unsigned long addr;
- struct sockaddr_in them;
- int s, i;
-
- if (!ssl_sock_init())
- return (0);
-
- memset(&them, 0, sizeof(them));
- them.sin_family = AF_INET;
- them.sin_port = htons((unsigned short)port);
- addr = (unsigned long)
- ((unsigned long)ip[0] << 24L) |
- ((unsigned long)ip[1] << 16L) |
- ((unsigned long)ip[2] << 8L) | ((unsigned long)ip[3]);
- them.sin_addr.s_addr = htonl(addr);
-
- if (type == SOCK_STREAM)
- s = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
- else /* ( type == SOCK_DGRAM) */
- s = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
-
- if (s == INVALID_SOCKET) {
- perror("socket");
- return (0);
- }
-# if defined(SO_KEEPALIVE)
- if (type == SOCK_STREAM) {
- i = 0;
- i = setsockopt(s, SOL_SOCKET, SO_KEEPALIVE, (char *)&i, sizeof(i));
- if (i < 0) {
- closesocket(s);
- perror("keepalive");
- return (0);
+ /* Admitedly, these checks are quite paranoid, we should
+ not get anything in the BIO_ADDRINFO chain that we haven't
+ asked for */
+ OPENSSL_assert((family == AF_UNSPEC || family == BIO_ADDRINFO_family(res))
+ && (type == 0 || type == BIO_ADDRINFO_socktype(res)));
+
+ *sock = BIO_socket(BIO_ADDRINFO_family(ai), BIO_ADDRINFO_socktype(ai),
+ protocol, 0);
+ if (*sock == INVALID_SOCKET) {
+ /* Maybe the kernel doesn't support the socket family, even if
+ * BIO_lookup() added it in the returned result...
+ */
+ continue;
+ }
+ if (!BIO_connect(*sock, BIO_ADDRINFO_address(ai), 0)) {
+ BIO_closesocket(*sock);
+ *sock = INVALID_SOCKET;
+ continue;
}
- }
-# endif
-
- if (connect(s, (struct sockaddr *)&them, sizeof(them)) == -1) {
- closesocket(s);
- perror("connect");
- return (0);
- }
- *sock = s;
- return (1);
-}
-
-# ifndef NO_SYS_UN_H
-int init_client_unix(int *sock, const char *server)
-{
- struct sockaddr_un them;
- int s;
-
- if (strlen(server) > (UNIX_PATH_MAX + 1))
- return (0);
- if (!ssl_sock_init())
- return (0);
- s = socket(AF_UNIX, SOCK_STREAM, 0);
- if (s == INVALID_SOCKET) {
- perror("socket");
- return (0);
+ /* Success, don't try any more addresses */
+ break;
}
- memset(&them, 0, sizeof(them));
- them.sun_family = AF_UNIX;
- strcpy(them.sun_path, server);
-
- if (connect(s, (struct sockaddr *)&them, sizeof(them)) == -1) {
- closesocket(s);
- perror("connect");
- return (0);
+ if (*sock == INVALID_SOCKET) {
+ ERR_print_errors(bio_err);
+ } else {
+ ret = 1;
}
- *sock = s;
- return (1);
+ BIO_ADDRINFO_free(res);
+ return ret;
}
-# endif
-int do_server(int port, int type, int *ret,
- int (*cb) (char *hostname, int s, int stype,
+/*
+ * do_server - helper routine to perform a server operation
+ * @accept_sock: pointer to storage of resulting socket.
+ * @host: the host name or path (for AF_UNIX) to connect to.
+ * @port: the port to connect to (ignored for AF_UNIX).
+ * @family: desired socket family, may be AF_INET, AF_INET6, AF_UNIX or
+ * AF_UNSPEC
+ * @type: socket type, must be SOCK_STREAM or SOCK_DGRAM
+ * @cb: pointer to a function that receives the accepted socket and
+ * should perform the communication with the connecting client.
+ * @context: pointer to memory that's passed verbatim to the cb function.
+ * @naccept: number of times an incoming connect should be accepted. If -1,
+ * unlimited number.
+ *
+ * This will create a socket and use it to listen to a host:port, or if
+ * family == AF_UNIX, to the path found in host, then start accepting
+ * incoming connections and run cb on the resulting socket.
+ *
+ * 0 on failure, something other on success.
+ */
+int do_server(int *accept_sock, const char *host, const char *port,
+ int family, int type,
+ int (*cb) (const char *hostname, int s, int stype,
unsigned char *context), unsigned char *context,
int naccept)
{
+ int asock = 0;
int sock;
- char *name = NULL;
- int accept_socket = 0;
int i;
+ BIO_ADDRINFO *res = NULL;
+ int ret = 0;
+ int protocol = (type == SOCK_STREAM ? IPPROTO_TCP : IPPROTO_UDP);
+
+ if (!BIO_sock_init())
+ return 0;
+
+ if (!BIO_lookup(host, port, BIO_LOOKUP_SERVER, family, type, &res)) {
+ ERR_print_errors(bio_err);
+ return 0;
+ }
- if (!init_server(&accept_socket, port, type))
- return (0);
+# ifdef AF_UNIX
+ if (BIO_ADDRINFO_family(res) == AF_UNIX)
+ protocol = 0;
+# endif
+ /* Admitedly, these checks are quite paranoid, we should
+ not get anything in the BIO_ADDRINFO chain that we haven't
+ asked for */
+ OPENSSL_assert((family == AF_UNSPEC || family == BIO_ADDRINFO_family(res))
+ && (type == 0 || type == BIO_ADDRINFO_socktype(res)));
+
+ asock = BIO_socket(BIO_ADDRINFO_family(res), BIO_ADDRINFO_socktype(res),
+ protocol, 0);
+ if (asock == INVALID_SOCKET
+ || !BIO_listen(asock, BIO_ADDRINFO_address(res), BIO_SOCK_REUSEADDR)) {
+ BIO_ADDRINFO_free(res);
+ ERR_print_errors(bio_err);
+ if (asock != INVALID_SOCKET)
+ BIO_closesocket(asock);
+ goto end;
+ }
- if (ret != NULL) {
- *ret = accept_socket;
- /* return(1); */
+ BIO_ADDRINFO_free(res);
+
+ if (accept_sock != NULL) {
+ *accept_sock = asock;
}
for (;;) {
+ BIO_ADDR *accepted_addr = NULL;
+ char *name = NULL;
if (type == SOCK_STREAM) {
-# ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
- if (do_accept(accept_socket, &sock, NULL) == 0)
-# else
- if (do_accept(accept_socket, &sock, &name) == 0)
-# endif
- {
- SHUTDOWN(accept_socket);
- return (0);
+ if ((accepted_addr = BIO_ADDR_new()) == NULL) {
+ BIO_closesocket(asock);
+ return 0;
+ }
+ redoit:
+ sock = BIO_accept_ex(asock, accepted_addr, 0);
+ if (sock < 0) {
+ if (BIO_sock_should_retry(ret)) {
+ goto redoit;
+ } else {
+ ERR_print_errors(bio_err);
+ BIO_ADDR_free(accepted_addr);
+ SHUTDOWN(asock);
+ break;
+ }
}
- } else
- sock = accept_socket;
+ } else {
+ sock = asock;
+ }
+
+ /* accepted_addr is NULL if we're dealing with SOCK_DGRAM
+ * this means that for SOCK_DGRAM, name will be NULL
+ */
+ if (accepted_addr != NULL) {
+#ifdef AF_UNIX
+ if (family == AF_UNIX)
+ name = BIO_ADDR_path_string(accepted_addr);
+ else
+#endif
+ name = BIO_ADDR_hostname_string(accepted_addr, 0);
+ }
i = (*cb) (name, sock, type, context);
OPENSSL_free(name);
+ BIO_ADDR_free(accepted_addr);
if (type == SOCK_STREAM)
SHUTDOWN2(sock);
if (naccept != -1)
naccept--;
if (i < 0 || naccept == 0) {
- SHUTDOWN2(accept_socket);
- return (i);
- }
- }
-}
-
-# ifndef NO_SYS_UN_H
-int do_server_unix(const char *path, int *ret,
- int (*cb) (char *hostname, int s, int stype,
- unsigned char *context), unsigned char *context,
- int naccept)
-{
- int sock;
- int accept_socket = 0;
- int i;
-
- if (!init_server_unix(&accept_socket, path))
- return (0);
-
- if (ret != NULL)
- *ret = accept_socket;
- for (;;) {
- if (do_accept_unix(accept_socket, &sock) == 0) {
- SHUTDOWN(accept_socket);
- i = 0;
- goto out;
- }
- i = (*cb) (NULL, sock, 0, context);
- SHUTDOWN2(sock);
- if (naccept != -1)
- naccept--;
- if (i < 0 || naccept == 0) {
- SHUTDOWN2(accept_socket);
- goto out;
- }
- }
- out:
- unlink(path);
- return (i);
-}
-# endif
-
-static int init_server_long(int *sock, int port, char *ip, int type)
-{
- int ret = 0;
- struct sockaddr_in server;
- int s = -1;
-
- if (!ssl_sock_init())
- return (0);
-
- memset(&server, 0, sizeof(server));
- server.sin_family = AF_INET;
- server.sin_port = htons((unsigned short)port);
- if (ip == NULL)
- server.sin_addr.s_addr = INADDR_ANY;
- else
-/* Added for T3E, address-of fails on bit field (beckman@acl.lanl.gov) */
-# ifndef BIT_FIELD_LIMITS
- memcpy(&server.sin_addr.s_addr, ip, 4);
-# else
- memcpy(&server.sin_addr, ip, 4);
-# endif
-
- if (type == SOCK_STREAM)
- s = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
- else /* type == SOCK_DGRAM */
- s = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
-
- if (s == INVALID_SOCKET)
- goto err;
-# if defined SOL_SOCKET && defined SO_REUSEADDR
- {
- int j = 1;
- setsockopt(s, SOL_SOCKET, SO_REUSEADDR, (void *)&j, sizeof j);
- }
-# endif
- if (bind(s, (struct sockaddr *)&server, sizeof(server)) == -1) {
-# ifndef OPENSSL_SYS_WINDOWS
- perror("bind");
-# endif
- goto err;
- }
- /* Make it 128 for linux */
- if (type == SOCK_STREAM && listen(s, 128) == -1)
- goto err;
- *sock = s;
- ret = 1;
- err:
- if ((ret == 0) && (s != -1)) {
- SHUTDOWN(s);
- }
- return (ret);
-}
-
-static int init_server(int *sock, int port, int type)
-{
- return (init_server_long(sock, port, NULL, type));
-}
-
-# ifndef NO_SYS_UN_H
-static int init_server_unix(int *sock, const char *path)
-{
- int ret = 0;
- struct sockaddr_un server;
- int s = -1;
-
- if (strlen(path) > (UNIX_PATH_MAX + 1))
- return (0);
- if (!ssl_sock_init())
- return (0);
-
- s = socket(AF_UNIX, SOCK_STREAM, 0);
- if (s == INVALID_SOCKET)
- goto err;
-
- memset(&server, 0, sizeof(server));
- server.sun_family = AF_UNIX;
- strcpy(server.sun_path, path);
-
- if (bind(s, (struct sockaddr *)&server, sizeof(server)) == -1) {
-# ifndef OPENSSL_SYS_WINDOWS
- perror("bind");
-# endif
- goto err;
- }
- /* Make it 128 for linux */
- if (listen(s, 128) == -1) {
-# ifndef OPENSSL_SYS_WINDOWS
- perror("listen");
-# endif
- unlink(path);
- goto err;
- }
- *sock = s;
- ret = 1;
- err:
- if ((ret == 0) && (s != -1)) {
- SHUTDOWN(s);
- }
- return (ret);
-}
-# endif
-
-static int do_accept(int acc_sock, int *sock, char **host)
-{
- int ret;
- struct hostent *h1, *h2;
- static struct sockaddr_in from;
- int len;
-/* struct linger ling; */
-
- if (!ssl_sock_init())
- return (0);
-
-# ifndef OPENSSL_SYS_WINDOWS
- redoit:
-# endif
-
- memset(&from, 0, sizeof(from));
- len = sizeof(from);
- /*
- * Note: under VMS with SOCKETSHR the fourth parameter is currently of
- * type (int *) whereas under other systems it is (void *) if you don't
- * have a cast it will choke the compiler: if you do have a cast then you
- * can either go for (int *) or (void *).
- */
- ret = accept(acc_sock, (struct sockaddr *)&from, (void *)&len);
- if (ret == INVALID_SOCKET) {
-# if defined(OPENSSL_SYS_WINDOWS) || (defined(OPENSSL_SYS_NETWARE) && !defined(NETWARE_BSDSOCK))
- int i;
- i = WSAGetLastError();
- BIO_printf(bio_err, "accept error %d\n", i);
-# else
- if (errno == EINTR) {
- /*
- * check_timeout();
- */
- goto redoit;
- }
- fprintf(stderr, "errno=%d ", errno);
- perror("accept");
-# endif
- return (0);
- }
-
- if (host == NULL)
- goto end;
-# ifndef BIT_FIELD_LIMITS
- /* I should use WSAAsyncGetHostByName() under windows */
- h1 = gethostbyaddr((char *)&from.sin_addr.s_addr,
- sizeof(from.sin_addr.s_addr), AF_INET);
-# else
- h1 = gethostbyaddr((char *)&from.sin_addr,
- sizeof(struct in_addr), AF_INET);
-# endif
- if (h1 == NULL) {
- BIO_printf(bio_err, "bad gethostbyaddr\n");
- *host = NULL;
- /* return(0); */
- } else {
- *host = app_malloc(strlen(h1->h_name) + 1, "copy hostname");
- BUF_strlcpy(*host, h1->h_name, strlen(h1->h_name) + 1);
-
- h2 = gethostbyname(*host);
- if (h2 == NULL) {
- BIO_printf(bio_err, "gethostbyname failure\n");
- closesocket(ret);
- return (0);
- }
- if (h2->h_addrtype != AF_INET) {
- BIO_printf(bio_err, "gethostbyname addr is not AF_INET\n");
- closesocket(ret);
- return (0);
+ SHUTDOWN2(asock);
+ ret = i;
+ break;
}
}
end:
- *sock = ret;
- return (1);
-}
-
-# ifndef NO_SYS_UN_H
-static int do_accept_unix(int acc_sock, int *sock)
-{
- int ret;
-
- if (!ssl_sock_init())
- return (0);
-
- redoit:
- ret = accept(acc_sock, NULL, NULL);
- if (ret == INVALID_SOCKET) {
- if (errno == EINTR) {
- /*
- * check_timeout();
- */
- goto redoit;
- }
- fprintf(stderr, "errno=%d ", errno);
- perror("accept");
- return (0);
- }
-
- *sock = ret;
- return (1);
-}
+# ifdef AF_UNIX
+ if (family == AF_UNIX)
+ unlink(host);
# endif
-
-int extract_host_port(char *str, char **host_ptr, unsigned char *ip,
- unsigned short *port_ptr)
-{
- char *h, *p;
-
- h = str;
- p = strchr(str, ':');
- if (p == NULL) {
- BIO_printf(bio_err, "no port defined\n");
- return (0);
- }
- *(p++) = '\0';
-
- if ((ip != NULL) && !host_ip(str, ip))
- goto err;
- if (host_ptr != NULL)
- *host_ptr = h;
-
- if (!extract_port(p, port_ptr))
- goto err;
- return (1);
- err:
- return (0);
-}
-
-static int host_ip(const char *str, unsigned char ip[4])
-{
- unsigned int in[4];
- int i;
-
- if (sscanf(str, "%u.%u.%u.%u", &(in[0]), &(in[1]), &(in[2]), &(in[3])) ==
- 4) {
- for (i = 0; i < 4; i++)
- if (in[i] > 255) {
- BIO_printf(bio_err, "invalid IP address\n");
- goto err;
- }
- ip[0] = in[0];
- ip[1] = in[1];
- ip[2] = in[2];
- ip[3] = in[3];
- } else { /* do a gethostbyname */
- struct hostent *he;
-
- if (!ssl_sock_init())
- return (0);
-
- he = gethostbyname(str);
- if (he == NULL) {
- BIO_printf(bio_err, "gethostbyname failure\n");
- goto err;
- }
- if (he->h_addrtype != AF_INET) {
- BIO_printf(bio_err, "gethostbyname addr is not AF_INET\n");
- return (0);
- }
- ip[0] = he->h_addr_list[0][0];
- ip[1] = he->h_addr_list[0][1];
- ip[2] = he->h_addr_list[0][2];
- ip[3] = he->h_addr_list[0][3];
- }
- return (1);
- err:
- return (0);
+ return ret;
}
-int extract_port(const char *str, unsigned short *port_ptr)
-{
- int i;
- struct servent *s;
-
- i = atoi(str);
- if (i != 0)
- *port_ptr = (unsigned short)i;
- else {
- s = getservbyname(str, "tcp");
- if (s == NULL) {
- BIO_printf(bio_err, "getservbyname failure for %s\n", str);
- return (0);
- }
- *port_ptr = ntohs((unsigned short)s->s_port);
- }
- return (1);
-}
-
-#endif
+#endif /* OPENSSL_NO_SOCK */
projects / openssl.git / blobdiff