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-rw-r--r--crypto/bio/bss_acpt.c727
1 files changed, 356 insertions, 371 deletions
diff --git a/crypto/bio/bss_acpt.c b/crypto/bio/bss_acpt.c
index 5d49e1a72bcc..d08292c3e9ac 100644
--- a/crypto/bio/bss_acpt.c
+++ b/crypto/bio/bss_acpt.c
@@ -5,21 +5,21 @@
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
- *
+ *
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
+ *
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
- *
+ *
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
@@ -34,10 +34,10 @@
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
+ * 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
+ *
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -49,7 +49,7 @@
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
- *
+ *
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
@@ -64,33 +64,32 @@
#ifndef OPENSSL_NO_SOCK
-#ifdef OPENSSL_SYS_WIN16
-#define SOCKET_PROTOCOL 0 /* more microsoft stupidity */
-#else
-#define SOCKET_PROTOCOL IPPROTO_TCP
-#endif
+# ifdef OPENSSL_SYS_WIN16
+# define SOCKET_PROTOCOL 0 /* more microsoft stupidity */
+# else
+# define SOCKET_PROTOCOL IPPROTO_TCP
+# endif
-#if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
+# if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
/* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
-#undef FIONBIO
-#endif
-
-typedef struct bio_accept_st
- {
- int state;
- char *param_addr;
-
- int accept_sock;
- int accept_nbio;
-
- char *addr;
- int nbio;
- /* If 0, it means normal, if 1, do a connect on bind failure,
- * and if there is no-one listening, bind with SO_REUSEADDR.
- * If 2, always use SO_REUSEADDR. */
- int bind_mode;
- BIO *bio_chain;
- } BIO_ACCEPT;
+# undef FIONBIO
+# endif
+
+typedef struct bio_accept_st {
+ int state;
+ char *param_addr;
+ int accept_sock;
+ int accept_nbio;
+ char *addr;
+ int nbio;
+ /*
+ * If 0, it means normal, if 1, do a connect on bind failure, and if
+ * there is no-one listening, bind with SO_REUSEADDR. If 2, always use
+ * SO_REUSEADDR.
+ */
+ int bind_mode;
+ BIO *bio_chain;
+} BIO_ACCEPT;
static int acpt_write(BIO *h, const char *buf, int num);
static int acpt_read(BIO *h, char *buf, int size);
@@ -100,379 +99,365 @@ static int acpt_new(BIO *h);
static int acpt_free(BIO *data);
static int acpt_state(BIO *b, BIO_ACCEPT *c);
static void acpt_close_socket(BIO *data);
-static BIO_ACCEPT *BIO_ACCEPT_new(void );
+static BIO_ACCEPT *BIO_ACCEPT_new(void);
static void BIO_ACCEPT_free(BIO_ACCEPT *a);
-#define ACPT_S_BEFORE 1
-#define ACPT_S_GET_ACCEPT_SOCKET 2
-#define ACPT_S_OK 3
-
-static BIO_METHOD methods_acceptp=
- {
- BIO_TYPE_ACCEPT,
- "socket accept",
- acpt_write,
- acpt_read,
- acpt_puts,
- NULL, /* connect_gets, */
- acpt_ctrl,
- acpt_new,
- acpt_free,
- NULL,
- };
+# define ACPT_S_BEFORE 1
+# define ACPT_S_GET_ACCEPT_SOCKET 2
+# define ACPT_S_OK 3
+
+static BIO_METHOD methods_acceptp = {
+ BIO_TYPE_ACCEPT,
+ "socket accept",
+ acpt_write,
+ acpt_read,
+ acpt_puts,
+ NULL, /* connect_gets, */
+ acpt_ctrl,
+ acpt_new,
+ acpt_free,
+ NULL,
+};
BIO_METHOD *BIO_s_accept(void)
- {
- return(&methods_acceptp);
- }
+{
+ return (&methods_acceptp);
+}
static int acpt_new(BIO *bi)
- {
- BIO_ACCEPT *ba;
-
- bi->init=0;
- bi->num=INVALID_SOCKET;
- bi->flags=0;
- if ((ba=BIO_ACCEPT_new()) == NULL)
- return(0);
- bi->ptr=(char *)ba;
- ba->state=ACPT_S_BEFORE;
- bi->shutdown=1;
- return(1);
- }
+{
+ BIO_ACCEPT *ba;
+
+ bi->init = 0;
+ bi->num = INVALID_SOCKET;
+ bi->flags = 0;
+ if ((ba = BIO_ACCEPT_new()) == NULL)
+ return (0);
+ bi->ptr = (char *)ba;
+ ba->state = ACPT_S_BEFORE;
+ bi->shutdown = 1;
+ return (1);
+}
static BIO_ACCEPT *BIO_ACCEPT_new(void)
- {
- BIO_ACCEPT *ret;
+{
+ BIO_ACCEPT *ret;
- if ((ret=(BIO_ACCEPT *)OPENSSL_malloc(sizeof(BIO_ACCEPT))) == NULL)
- return(NULL);
+ if ((ret = (BIO_ACCEPT *)OPENSSL_malloc(sizeof(BIO_ACCEPT))) == NULL)
+ return (NULL);
- memset(ret,0,sizeof(BIO_ACCEPT));
- ret->accept_sock=INVALID_SOCKET;
- ret->bind_mode=BIO_BIND_NORMAL;
- return(ret);
- }
+ memset(ret, 0, sizeof(BIO_ACCEPT));
+ ret->accept_sock = INVALID_SOCKET;
+ ret->bind_mode = BIO_BIND_NORMAL;
+ return (ret);
+}
static void BIO_ACCEPT_free(BIO_ACCEPT *a)
- {
- if(a == NULL)
- return;
-
- if (a->param_addr != NULL) OPENSSL_free(a->param_addr);
- if (a->addr != NULL) OPENSSL_free(a->addr);
- if (a->bio_chain != NULL) BIO_free(a->bio_chain);
- OPENSSL_free(a);
- }
+{
+ if (a == NULL)
+ return;
+
+ if (a->param_addr != NULL)
+ OPENSSL_free(a->param_addr);
+ if (a->addr != NULL)
+ OPENSSL_free(a->addr);
+ if (a->bio_chain != NULL)
+ BIO_free(a->bio_chain);
+ OPENSSL_free(a);
+}
static void acpt_close_socket(BIO *bio)
- {
- BIO_ACCEPT *c;
-
- c=(BIO_ACCEPT *)bio->ptr;
- if (c->accept_sock != INVALID_SOCKET)
- {
- shutdown(c->accept_sock,2);
- closesocket(c->accept_sock);
- c->accept_sock=INVALID_SOCKET;
- bio->num=INVALID_SOCKET;
- }
- }
+{
+ BIO_ACCEPT *c;
+
+ c = (BIO_ACCEPT *)bio->ptr;
+ if (c->accept_sock != INVALID_SOCKET) {
+ shutdown(c->accept_sock, 2);
+ closesocket(c->accept_sock);
+ c->accept_sock = INVALID_SOCKET;
+ bio->num = INVALID_SOCKET;
+ }
+}
static int acpt_free(BIO *a)
- {
- BIO_ACCEPT *data;
-
- if (a == NULL) return(0);
- data=(BIO_ACCEPT *)a->ptr;
-
- if (a->shutdown)
- {
- acpt_close_socket(a);
- BIO_ACCEPT_free(data);
- a->ptr=NULL;
- a->flags=0;
- a->init=0;
- }
- return(1);
- }
-
+{
+ BIO_ACCEPT *data;
+
+ if (a == NULL)
+ return (0);
+ data = (BIO_ACCEPT *)a->ptr;
+
+ if (a->shutdown) {
+ acpt_close_socket(a);
+ BIO_ACCEPT_free(data);
+ a->ptr = NULL;
+ a->flags = 0;
+ a->init = 0;
+ }
+ return (1);
+}
+
static int acpt_state(BIO *b, BIO_ACCEPT *c)
- {
- BIO *bio=NULL,*dbio;
- int s= -1;
- int i;
-
-again:
- switch (c->state)
- {
- case ACPT_S_BEFORE:
- if (c->param_addr == NULL)
- {
- BIOerr(BIO_F_ACPT_STATE,BIO_R_NO_ACCEPT_PORT_SPECIFIED);
- return(-1);
- }
- s=BIO_get_accept_socket(c->param_addr,c->bind_mode);
- if (s == INVALID_SOCKET)
- return(-1);
-
- if (c->accept_nbio)
- {
- if (!BIO_socket_nbio(s,1))
- {
- closesocket(s);
- BIOerr(BIO_F_ACPT_STATE,BIO_R_ERROR_SETTING_NBIO_ON_ACCEPT_SOCKET);
- return(-1);
- }
- }
- c->accept_sock=s;
- b->num=s;
- c->state=ACPT_S_GET_ACCEPT_SOCKET;
- return(1);
- /* break; */
- case ACPT_S_GET_ACCEPT_SOCKET:
- if (b->next_bio != NULL)
- {
- c->state=ACPT_S_OK;
- goto again;
- }
- BIO_clear_retry_flags(b);
- b->retry_reason=0;
- i=BIO_accept(c->accept_sock,&(c->addr));
-
- /* -2 return means we should retry */
- if(i == -2)
- {
- BIO_set_retry_special(b);
- b->retry_reason=BIO_RR_ACCEPT;
- return -1;
- }
-
- if (i < 0) return(i);
-
- bio=BIO_new_socket(i,BIO_CLOSE);
- if (bio == NULL) goto err;
-
- BIO_set_callback(bio,BIO_get_callback(b));
- BIO_set_callback_arg(bio,BIO_get_callback_arg(b));
-
- if (c->nbio)
- {
- if (!BIO_socket_nbio(i,1))
- {
- BIOerr(BIO_F_ACPT_STATE,BIO_R_ERROR_SETTING_NBIO_ON_ACCEPTED_SOCKET);
- goto err;
- }
- }
-
- /* If the accept BIO has an bio_chain, we dup it and
- * put the new socket at the end. */
- if (c->bio_chain != NULL)
- {
- if ((dbio=BIO_dup_chain(c->bio_chain)) == NULL)
- goto err;
- if (!BIO_push(dbio,bio)) goto err;
- bio=dbio;
- }
- if (BIO_push(b,bio) == NULL) goto err;
-
- c->state=ACPT_S_OK;
- return(1);
-err:
- if (bio != NULL)
- BIO_free(bio);
- else if (s >= 0)
- closesocket(s);
- return(0);
- /* break; */
- case ACPT_S_OK:
- if (b->next_bio == NULL)
- {
- c->state=ACPT_S_GET_ACCEPT_SOCKET;
- goto again;
- }
- return(1);
- /* break; */
- default:
- return(0);
- /* break; */
- }
-
- }
+{
+ BIO *bio = NULL, *dbio;
+ int s = -1;
+ int i;
+
+ again:
+ switch (c->state) {
+ case ACPT_S_BEFORE:
+ if (c->param_addr == NULL) {
+ BIOerr(BIO_F_ACPT_STATE, BIO_R_NO_ACCEPT_PORT_SPECIFIED);
+ return (-1);
+ }
+ s = BIO_get_accept_socket(c->param_addr, c->bind_mode);
+ if (s == INVALID_SOCKET)
+ return (-1);
+
+ if (c->accept_nbio) {
+ if (!BIO_socket_nbio(s, 1)) {
+ closesocket(s);
+ BIOerr(BIO_F_ACPT_STATE,
+ BIO_R_ERROR_SETTING_NBIO_ON_ACCEPT_SOCKET);
+ return (-1);
+ }
+ }
+ c->accept_sock = s;
+ b->num = s;
+ c->state = ACPT_S_GET_ACCEPT_SOCKET;
+ return (1);
+ /* break; */
+ case ACPT_S_GET_ACCEPT_SOCKET:
+ if (b->next_bio != NULL) {
+ c->state = ACPT_S_OK;
+ goto again;
+ }
+ BIO_clear_retry_flags(b);
+ b->retry_reason = 0;
+ i = BIO_accept(c->accept_sock, &(c->addr));
+
+ /* -2 return means we should retry */
+ if (i == -2) {
+ BIO_set_retry_special(b);
+ b->retry_reason = BIO_RR_ACCEPT;
+ return -1;
+ }
+
+ if (i < 0)
+ return (i);
+
+ bio = BIO_new_socket(i, BIO_CLOSE);
+ if (bio == NULL)
+ goto err;
+
+ BIO_set_callback(bio, BIO_get_callback(b));
+ BIO_set_callback_arg(bio, BIO_get_callback_arg(b));
+
+ if (c->nbio) {
+ if (!BIO_socket_nbio(i, 1)) {
+ BIOerr(BIO_F_ACPT_STATE,
+ BIO_R_ERROR_SETTING_NBIO_ON_ACCEPTED_SOCKET);
+ goto err;
+ }
+ }
+
+ /*
+ * If the accept BIO has an bio_chain, we dup it and put the new
+ * socket at the end.
+ */
+ if (c->bio_chain != NULL) {
+ if ((dbio = BIO_dup_chain(c->bio_chain)) == NULL)
+ goto err;
+ if (!BIO_push(dbio, bio))
+ goto err;
+ bio = dbio;
+ }
+ if (BIO_push(b, bio) == NULL)
+ goto err;
+
+ c->state = ACPT_S_OK;
+ return (1);
+ err:
+ if (bio != NULL)
+ BIO_free(bio);
+ else if (s >= 0)
+ closesocket(s);
+ return (0);
+ /* break; */
+ case ACPT_S_OK:
+ if (b->next_bio == NULL) {
+ c->state = ACPT_S_GET_ACCEPT_SOCKET;
+ goto again;
+ }
+ return (1);
+ /* break; */
+ default:
+ return (0);
+ /* break; */
+ }
+
+}
static int acpt_read(BIO *b, char *out, int outl)
- {
- int ret=0;
- BIO_ACCEPT *data;
+{
+ int ret = 0;
+ BIO_ACCEPT *data;
- BIO_clear_retry_flags(b);
- data=(BIO_ACCEPT *)b->ptr;
+ BIO_clear_retry_flags(b);
+ data = (BIO_ACCEPT *)b->ptr;
- while (b->next_bio == NULL)
- {
- ret=acpt_state(b,data);
- if (ret <= 0) return(ret);
- }
+ while (b->next_bio == NULL) {
+ ret = acpt_state(b, data);
+ if (ret <= 0)
+ return (ret);
+ }
- ret=BIO_read(b->next_bio,out,outl);
- BIO_copy_next_retry(b);
- return(ret);
- }
+ ret = BIO_read(b->next_bio, out, outl);
+ BIO_copy_next_retry(b);
+ return (ret);
+}
static int acpt_write(BIO *b, const char *in, int inl)
- {
- int ret;
- BIO_ACCEPT *data;
+{
+ int ret;
+ BIO_ACCEPT *data;
- BIO_clear_retry_flags(b);
- data=(BIO_ACCEPT *)b->ptr;
+ BIO_clear_retry_flags(b);
+ data = (BIO_ACCEPT *)b->ptr;
- while (b->next_bio == NULL)
- {
- ret=acpt_state(b,data);
- if (ret <= 0) return(ret);
- }
+ while (b->next_bio == NULL) {
+ ret = acpt_state(b, data);
+ if (ret <= 0)
+ return (ret);
+ }
- ret=BIO_write(b->next_bio,in,inl);
- BIO_copy_next_retry(b);
- return(ret);
- }
+ ret = BIO_write(b->next_bio, in, inl);
+ BIO_copy_next_retry(b);
+ return (ret);
+}
static long acpt_ctrl(BIO *b, int cmd, long num, void *ptr)
- {
- int *ip;
- long ret=1;
- BIO_ACCEPT *data;
- char **pp;
-
- data=(BIO_ACCEPT *)b->ptr;
-
- switch (cmd)
- {
- case BIO_CTRL_RESET:
- ret=0;
- data->state=ACPT_S_BEFORE;
- acpt_close_socket(b);
- b->flags=0;
- break;
- case BIO_C_DO_STATE_MACHINE:
- /* use this one to start the connection */
- ret=(long)acpt_state(b,data);
- break;
- case BIO_C_SET_ACCEPT:
- if (ptr != NULL)
- {
- if (num == 0)
- {
- b->init=1;
- if (data->param_addr != NULL)
- OPENSSL_free(data->param_addr);
- data->param_addr=BUF_strdup(ptr);
- }
- else if (num == 1)
- {
- data->accept_nbio=(ptr != NULL);
- }
- else if (num == 2)
- {
- if (data->bio_chain != NULL)
- BIO_free(data->bio_chain);
- data->bio_chain=(BIO *)ptr;
- }
- }
- break;
- case BIO_C_SET_NBIO:
- data->nbio=(int)num;
- break;
- case BIO_C_SET_FD:
- b->init=1;
- b->num= *((int *)ptr);
- data->accept_sock=b->num;
- data->state=ACPT_S_GET_ACCEPT_SOCKET;
- b->shutdown=(int)num;
- b->init=1;
- break;
- case BIO_C_GET_FD:
- if (b->init)
- {
- ip=(int *)ptr;
- if (ip != NULL)
- *ip=data->accept_sock;
- ret=data->accept_sock;
- }
- else
- ret= -1;
- break;
- case BIO_C_GET_ACCEPT:
- if (b->init)
- {
- if (ptr != NULL)
- {
- pp=(char **)ptr;
- *pp=data->param_addr;
- }
- else
- ret= -1;
- }
- else
- ret= -1;
- break;
- case BIO_CTRL_GET_CLOSE:
- ret=b->shutdown;
- break;
- case BIO_CTRL_SET_CLOSE:
- b->shutdown=(int)num;
- break;
- case BIO_CTRL_PENDING:
- case BIO_CTRL_WPENDING:
- ret=0;
- break;
- case BIO_CTRL_FLUSH:
- break;
- case BIO_C_SET_BIND_MODE:
- data->bind_mode=(int)num;
- break;
- case BIO_C_GET_BIND_MODE:
- ret=(long)data->bind_mode;
- break;
- case BIO_CTRL_DUP:
-/* dbio=(BIO *)ptr;
- if (data->param_port) EAY EAY
- BIO_set_port(dbio,data->param_port);
- if (data->param_hostname)
- BIO_set_hostname(dbio,data->param_hostname);
- BIO_set_nbio(dbio,data->nbio); */
- break;
-
- default:
- ret=0;
- break;
- }
- return(ret);
- }
+{
+ int *ip;
+ long ret = 1;
+ BIO_ACCEPT *data;
+ char **pp;
+
+ data = (BIO_ACCEPT *)b->ptr;
+
+ switch (cmd) {
+ case BIO_CTRL_RESET:
+ ret = 0;
+ data->state = ACPT_S_BEFORE;
+ acpt_close_socket(b);
+ b->flags = 0;
+ break;
+ case BIO_C_DO_STATE_MACHINE:
+ /* use this one to start the connection */
+ ret = (long)acpt_state(b, data);
+ break;
+ case BIO_C_SET_ACCEPT:
+ if (ptr != NULL) {
+ if (num == 0) {
+ b->init = 1;
+ if (data->param_addr != NULL)
+ OPENSSL_free(data->param_addr);
+ data->param_addr = BUF_strdup(ptr);
+ } else if (num == 1) {
+ data->accept_nbio = (ptr != NULL);
+ } else if (num == 2) {
+ if (data->bio_chain != NULL)
+ BIO_free(data->bio_chain);
+ data->bio_chain = (BIO *)ptr;
+ }
+ }
+ break;
+ case BIO_C_SET_NBIO:
+ data->nbio = (int)num;
+ break;
+ case BIO_C_SET_FD:
+ b->init = 1;
+ b->num = *((int *)ptr);
+ data->accept_sock = b->num;
+ data->state = ACPT_S_GET_ACCEPT_SOCKET;
+ b->shutdown = (int)num;
+ b->init = 1;
+ break;
+ case BIO_C_GET_FD:
+ if (b->init) {
+ ip = (int *)ptr;
+ if (ip != NULL)
+ *ip = data->accept_sock;
+ ret = data->accept_sock;
+ } else
+ ret = -1;
+ break;
+ case BIO_C_GET_ACCEPT:
+ if (b->init) {
+ if (ptr != NULL) {
+ pp = (char **)ptr;
+ *pp = data->param_addr;
+ } else
+ ret = -1;
+ } else
+ ret = -1;
+ break;
+ case BIO_CTRL_GET_CLOSE:
+ ret = b->shutdown;
+ break;
+ case BIO_CTRL_SET_CLOSE:
+ b->shutdown = (int)num;
+ break;
+ case BIO_CTRL_PENDING:
+ case BIO_CTRL_WPENDING:
+ ret = 0;
+ break;
+ case BIO_CTRL_FLUSH:
+ break;
+ case BIO_C_SET_BIND_MODE:
+ data->bind_mode = (int)num;
+ break;
+ case BIO_C_GET_BIND_MODE:
+ ret = (long)data->bind_mode;
+ break;
+ case BIO_CTRL_DUP:
+/*- dbio=(BIO *)ptr;
+ if (data->param_port) EAY EAY
+ BIO_set_port(dbio,data->param_port);
+ if (data->param_hostname)
+ BIO_set_hostname(dbio,data->param_hostname);
+ BIO_set_nbio(dbio,data->nbio); */
+ break;
+
+ default:
+ ret = 0;
+ break;
+ }
+ return (ret);
+}
static int acpt_puts(BIO *bp, const char *str)
- {
- int n,ret;
+{
+ int n, ret;
- n=strlen(str);
- ret=acpt_write(bp,str,n);
- return(ret);
- }
+ n = strlen(str);
+ ret = acpt_write(bp, str, n);
+ return (ret);
+}
BIO *BIO_new_accept(char *str)
- {
- BIO *ret;
-
- ret=BIO_new(BIO_s_accept());
- if (ret == NULL) return(NULL);
- if (BIO_set_accept_port(ret,str))
- return(ret);
- else
- {
- BIO_free(ret);
- return(NULL);
- }
- }
+{
+ BIO *ret;
+
+ ret = BIO_new(BIO_s_accept());
+ if (ret == NULL)
+ return (NULL);
+ if (BIO_set_accept_port(ret, str))
+ return (ret);
+ else {
+ BIO_free(ret);
+ return (NULL);
+ }
+}
#endif