X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fbio%2Fb_sock.c;h=50bd27dabd3b6ace326cf9ebe04b9ebe42147dd4;hp=d47310d650c57ec71cb892eaab38216eea6ebbc2;hb=d9d8e7a9c150dea538ceffe4cac6140e46389986;hpb=44ddb27fa69de40c700b66209784d89a4d63d8a5 diff --git a/crypto/bio/b_sock.c b/crypto/bio/b_sock.c index d47310d650..50bd27dabd 100644 --- a/crypto/bio/b_sock.c +++ b/crypto/bio/b_sock.c @@ -1,25 +1,24 @@ -/* crypto/bio/b_sock.c */ /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * All rights reserved. * * 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 +33,10 @@ * 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 +48,7 @@ * 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 @@ -59,917 +58,384 @@ #include #include #include -#define USE_SOCKETS -#include "cryptlib.h" -#include -#if defined(OPENSSL_SYS_NETWARE) && defined(NETWARE_BSDSOCK) -#include +#include "bio_lcl.h" #if defined(NETWARE_CLIB) -#include +# include NETDB_DEFINE_CONTEXT #endif -#endif - #ifndef OPENSSL_NO_SOCK - -#include - -#define SOCKET_PROTOCOL IPPROTO_TCP - -#ifdef SO_MAXCONN -#define MAX_LISTEN SO_MAXCONN -#elif defined(SOMAXCONN) -#define MAX_LISTEN SOMAXCONN -#else -#define MAX_LISTEN 32 -#endif - -#if defined(OPENSSL_SYS_WINDOWS) || (defined(OPENSSL_SYS_NETWARE) && !defined(NETWARE_BSDSOCK)) -static int wsa_init_done=0; -#endif - -/* - * WSAAPI specifier is required to make indirect calls to run-time - * linked WinSock 2 functions used in this module, to be specific - * [get|free]addrinfo and getnameinfo. This is because WinSock uses - * uses non-C calling convention, __stdcall vs. __cdecl, on x86 - * Windows. On non-WinSock platforms WSAAPI needs to be void. - */ -#ifndef WSAAPI -#define WSAAPI -#endif - -#if 0 -static unsigned long BIO_ghbn_hits=0L; -static unsigned long BIO_ghbn_miss=0L; - -#define GHBN_NUM 4 -static struct ghbn_cache_st - { - char name[129]; - struct hostent *ent; - unsigned long order; - } ghbn_cache[GHBN_NUM]; -#endif - -static int get_ip(const char *str,unsigned char *ip); -#if 0 -static void ghbn_free(struct hostent *a); -static struct hostent *ghbn_dup(struct hostent *a); -#endif +# define SOCKET_PROTOCOL IPPROTO_TCP +# ifdef SO_MAXCONN +# define MAX_LISTEN SO_MAXCONN +# elif defined(SOMAXCONN) +# define MAX_LISTEN SOMAXCONN +# else +# define MAX_LISTEN 32 +# endif +# if defined(OPENSSL_SYS_WINDOWS) || (defined(OPENSSL_SYS_NETWARE) && !defined(NETWARE_BSDSOCK)) +static int wsa_init_done = 0; +# endif + +# if OPENSSL_API_COMPAT < 0x10100000L int BIO_get_host_ip(const char *str, unsigned char *ip) - { - int i; - int err = 1; - int locked = 0; - struct hostent *he; - - i=get_ip(str,ip); - if (i < 0) - { - BIOerr(BIO_F_BIO_GET_HOST_IP,BIO_R_INVALID_IP_ADDRESS); - goto err; - } - - /* At this point, we have something that is most probably correct - in some way, so let's init the socket. */ - if (BIO_sock_init() != 1) - return 0; /* don't generate another error code here */ - - /* If the string actually contained an IP address, we need not do - anything more */ - if (i > 0) return(1); - - /* do a gethostbyname */ - CRYPTO_w_lock(CRYPTO_LOCK_GETHOSTBYNAME); - locked = 1; - he=BIO_gethostbyname(str); - if (he == NULL) - { - BIOerr(BIO_F_BIO_GET_HOST_IP,BIO_R_BAD_HOSTNAME_LOOKUP); - goto err; - } - - /* cast to short because of win16 winsock definition */ - if ((short)he->h_addrtype != AF_INET) - { - BIOerr(BIO_F_BIO_GET_HOST_IP,BIO_R_GETHOSTBYNAME_ADDR_IS_NOT_AF_INET); - goto err; - } - for (i=0; i<4; i++) - ip[i]=he->h_addr_list[0][i]; - err = 0; - - err: - if (locked) - CRYPTO_w_unlock(CRYPTO_LOCK_GETHOSTBYNAME); - if (err) - { - ERR_add_error_data(2,"host=",str); - return 0; - } - else - return 1; - } +{ + BIO_ADDRINFO *res = NULL; + int ret = 0; + + if (BIO_sock_init() != 1) + return 0; /* don't generate another error code here */ + + if (BIO_lookup(str, NULL, BIO_LOOKUP_CLIENT, AF_INET, SOCK_STREAM, &res)) { + size_t l; + + if (BIO_ADDRINFO_family(res) != AF_INET) { + BIOerr(BIO_F_BIO_GET_HOST_IP, + BIO_R_GETHOSTBYNAME_ADDR_IS_NOT_AF_INET); + } else { + BIO_ADDR_rawaddress(BIO_ADDRINFO_address(res), NULL, &l); + /* Because only AF_INET addresses will reach this far, + we can assert that l should be 4 */ + OPENSSL_assert(l == 4); + + BIO_ADDR_rawaddress(BIO_ADDRINFO_address(res), ip, &l); + ret = 1; + } + BIO_ADDRINFO_free(res); + } else { + ERR_add_error_data(2, "host=", str); + } + + return ret; +} int BIO_get_port(const char *str, unsigned short *port_ptr) - { - int i; - struct servent *s; - - if (str == NULL) - { - BIOerr(BIO_F_BIO_GET_PORT,BIO_R_NO_PORT_DEFINED); - return(0); - } - i=atoi(str); - if (i != 0) - *port_ptr=(unsigned short)i; - else - { - CRYPTO_w_lock(CRYPTO_LOCK_GETSERVBYNAME); - /* Note: under VMS with SOCKETSHR, it seems like the first - * parameter is 'char *', instead of 'const char *' - */ -#ifndef CONST_STRICT - s=getservbyname((char *)str,"tcp"); -#else - s=getservbyname(str,"tcp"); -#endif - if(s != NULL) - *port_ptr=ntohs((unsigned short)s->s_port); - CRYPTO_w_unlock(CRYPTO_LOCK_GETSERVBYNAME); - if(s == NULL) - { - if (strcmp(str,"http") == 0) - *port_ptr=80; - else if (strcmp(str,"telnet") == 0) - *port_ptr=23; - else if (strcmp(str,"socks") == 0) - *port_ptr=1080; - else if (strcmp(str,"https") == 0) - *port_ptr=443; - else if (strcmp(str,"ssl") == 0) - *port_ptr=443; - else if (strcmp(str,"ftp") == 0) - *port_ptr=21; - else if (strcmp(str,"gopher") == 0) - *port_ptr=70; -#if 0 - else if (strcmp(str,"wais") == 0) - *port_ptr=21; -#endif - else - { - SYSerr(SYS_F_GETSERVBYNAME,get_last_socket_error()); - ERR_add_error_data(3,"service='",str,"'"); - return(0); - } - } - } - return(1); - } +{ + BIO_ADDRINFO *res = NULL; + int ret = 0; + + if (str == NULL) { + BIOerr(BIO_F_BIO_GET_PORT, BIO_R_NO_PORT_DEFINED); + return (0); + } + + if (BIO_sock_init() != 1) + return 0; /* don't generate another error code here */ + + if (BIO_lookup(NULL, str, BIO_LOOKUP_CLIENT, AF_INET, SOCK_STREAM, &res)) { + if (BIO_ADDRINFO_family(res) != AF_INET) { + BIOerr(BIO_F_BIO_GET_PORT, + BIO_R_ADDRINFO_ADDR_IS_NOT_AF_INET); + } else { + *port_ptr = ntohs(BIO_ADDR_rawport(BIO_ADDRINFO_address(res))); + ret = 1; + } + BIO_ADDRINFO_free(res); + } else { + ERR_add_error_data(2, "host=", str); + } + + return ret; +} +# endif int BIO_sock_error(int sock) - { - int j,i; - int size; - -#if defined(OPENSSL_SYS_BEOS_R5) - return 0; -#endif - - size=sizeof(int); - /* Note: under Windows the third parameter is of type (char *) - * 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 (char *) or (void *). - */ - i=getsockopt(sock,SOL_SOCKET,SO_ERROR,(void *)&j,(void *)&size); - if (i < 0) - return(1); - else - return(j); - } - -#if 0 -long BIO_ghbn_ctrl(int cmd, int iarg, char *parg) - { - int i; - char **p; - - switch (cmd) - { - case BIO_GHBN_CTRL_HITS: - return(BIO_ghbn_hits); - /* break; */ - case BIO_GHBN_CTRL_MISSES: - return(BIO_ghbn_miss); - /* break; */ - case BIO_GHBN_CTRL_CACHE_SIZE: - return(GHBN_NUM); - /* break; */ - case BIO_GHBN_CTRL_GET_ENTRY: - if ((iarg >= 0) && (iarg 0)) - { - p=(char **)parg; - if (p == NULL) return(0); - *p=ghbn_cache[iarg].name; - ghbn_cache[iarg].name[128]='\0'; - return(1); - } - return(0); - /* break; */ - case BIO_GHBN_CTRL_FLUSH: - for (i=0; ih_aliases[i] != NULL; i++) - ; - i++; - ret->h_aliases = (char **)OPENSSL_malloc(i*sizeof(char *)); - if (ret->h_aliases == NULL) - goto err; - memset(ret->h_aliases, 0, i*sizeof(char *)); - - for (i=0; a->h_addr_list[i] != NULL; i++) - ; - i++; - ret->h_addr_list=(char **)OPENSSL_malloc(i*sizeof(char *)); - if (ret->h_addr_list == NULL) - goto err; - memset(ret->h_addr_list, 0, i*sizeof(char *)); - - j=strlen(a->h_name)+1; - if ((ret->h_name=OPENSSL_malloc(j)) == NULL) goto err; - memcpy((char *)ret->h_name,a->h_name,j); - for (i=0; a->h_aliases[i] != NULL; i++) - { - j=strlen(a->h_aliases[i])+1; - if ((ret->h_aliases[i]=OPENSSL_malloc(j)) == NULL) goto err; - memcpy(ret->h_aliases[i],a->h_aliases[i],j); - } - ret->h_length=a->h_length; - ret->h_addrtype=a->h_addrtype; - for (i=0; a->h_addr_list[i] != NULL; i++) - { - if ((ret->h_addr_list[i]=OPENSSL_malloc(a->h_length)) == NULL) - goto err; - memcpy(ret->h_addr_list[i],a->h_addr_list[i],a->h_length); - } - if (0) - { -err: - if (ret != NULL) - ghbn_free(ret); - ret=NULL; - } - MemCheck_on(); - return(ret); - } - -static void ghbn_free(struct hostent *a) - { - int i; - - if(a == NULL) - return; - - if (a->h_aliases != NULL) - { - for (i=0; a->h_aliases[i] != NULL; i++) - OPENSSL_free(a->h_aliases[i]); - OPENSSL_free(a->h_aliases); - } - if (a->h_addr_list != NULL) - { - for (i=0; a->h_addr_list[i] != NULL; i++) - OPENSSL_free(a->h_addr_list[i]); - OPENSSL_free(a->h_addr_list); - } - if (a->h_name != NULL) OPENSSL_free(a->h_name); - OPENSSL_free(a); - } - -#endif - +{ + int j = 0, i; + socklen_t size = 0; + + /* + * Note: under Windows the third parameter is of type (char *) 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 + * (char *) or (void *). + */ + i = getsockopt(sock, SOL_SOCKET, SO_ERROR, (void *)&j, &size); + if (i < 0) + return (1); + else + return (j); +} + +# if OPENSSL_API_COMPAT < 0x10100000L struct hostent *BIO_gethostbyname(const char *name) - { -#if 1 - /* Caching gethostbyname() results forever is wrong, - * so we have to let the true gethostbyname() worry about this */ -#if (defined(NETWARE_BSDSOCK) && !defined(__NOVELL_LIBC__)) - return gethostbyname((char*)name); -#else - return gethostbyname(name); -#endif -#else - struct hostent *ret; - int i,lowi=0,j; - unsigned long low= (unsigned long)-1; - - -# if 0 - /* It doesn't make sense to use locking here: The function interface - * is not thread-safe, because threads can never be sure when - * some other thread destroys the data they were given a pointer to. - */ - CRYPTO_w_lock(CRYPTO_LOCK_GETHOSTBYNAME); -# endif - j=strlen(name); - if (j < 128) - { - for (i=0; i ghbn_cache[i].order) - { - low=ghbn_cache[i].order; - lowi=i; - } - if (ghbn_cache[i].order > 0) - { - if (strncmp(name,ghbn_cache[i].name,128) == 0) - break; - } - } - } - else - i=GHBN_NUM; - - if (i == GHBN_NUM) /* no hit*/ - { - BIO_ghbn_miss++; - /* Note: under VMS with SOCKETSHR, it seems like the first - * parameter is 'char *', instead of 'const char *' - */ -# ifndef CONST_STRICT - ret=gethostbyname((char *)name); +{ + /* + * Caching gethostbyname() results forever is wrong, so we have to let + * the true gethostbyname() worry about this + */ +# if (defined(NETWARE_BSDSOCK) && !defined(__NOVELL_LIBC__)) + return gethostbyname((char *)name); # else - ret=gethostbyname(name); + return gethostbyname(name); # endif - - if (ret == NULL) - goto end; - if (j > 128) /* too big to cache */ - { -# if 0 - /* If we were trying to make this function thread-safe (which - * is bound to fail), we'd have to give up in this case - * (or allocate more memory). */ - ret = NULL; -# endif - goto end; - } - - /* else add to cache */ - if (ghbn_cache[lowi].ent != NULL) - ghbn_free(ghbn_cache[lowi].ent); /* XXX not thread-safe */ - ghbn_cache[lowi].name[0] = '\0'; - - if((ret=ghbn_cache[lowi].ent=ghbn_dup(ret)) == NULL) - { - BIOerr(BIO_F_BIO_GETHOSTBYNAME,ERR_R_MALLOC_FAILURE); - goto end; - } - strncpy(ghbn_cache[lowi].name,name,128); - ghbn_cache[lowi].order=BIO_ghbn_miss+BIO_ghbn_hits; - } - else - { - BIO_ghbn_hits++; - ret= ghbn_cache[i].ent; - ghbn_cache[i].order=BIO_ghbn_miss+BIO_ghbn_hits; - } -end: -# if 0 - CRYPTO_w_unlock(CRYPTO_LOCK_GETHOSTBYNAME); -# endif - return(ret); -#endif - } - +} +# endif int BIO_sock_init(void) - { -#ifdef OPENSSL_SYS_WINDOWS - static struct WSAData wsa_state; - - if (!wsa_init_done) - { - int err; - - wsa_init_done=1; - memset(&wsa_state,0,sizeof(wsa_state)); - /* Not making wsa_state available to the rest of the - * code is formally wrong. But the structures we use - * are [beleived to be] invariable among Winsock DLLs, - * while API availability is [expected to be] probed - * at run-time with DSO_global_lookup. */ - if (WSAStartup(0x0202,&wsa_state)!=0) - { - err=WSAGetLastError(); - SYSerr(SYS_F_WSASTARTUP,err); - BIOerr(BIO_F_BIO_SOCK_INIT,BIO_R_WSASTARTUP); - return(-1); - } - } -#endif /* OPENSSL_SYS_WINDOWS */ -#ifdef WATT32 - extern int _watt_do_exit; - _watt_do_exit = 0; /* don't make sock_init() call exit() */ - if (sock_init()) - return (-1); -#endif - -#if defined(OPENSSL_SYS_NETWARE) && !defined(NETWARE_BSDSOCK) +{ +# ifdef OPENSSL_SYS_WINDOWS + static struct WSAData wsa_state; + + if (!wsa_init_done) { + int err; + + wsa_init_done = 1; + memset(&wsa_state, 0, sizeof(wsa_state)); + /* + * Not making wsa_state available to the rest of the code is formally + * wrong. But the structures we use are [believed to be] invariable + * among Winsock DLLs, while API availability is [expected to be] + * probed at run-time with DSO_global_lookup. + */ + if (WSAStartup(0x0202, &wsa_state) != 0) { + err = WSAGetLastError(); + SYSerr(SYS_F_WSASTARTUP, err); + BIOerr(BIO_F_BIO_SOCK_INIT, BIO_R_WSASTARTUP); + return (-1); + } + } +# endif /* OPENSSL_SYS_WINDOWS */ +# ifdef WATT32 + extern int _watt_do_exit; + _watt_do_exit = 0; /* don't make sock_init() call exit() */ + if (sock_init()) + return (-1); +# endif + +# if defined(OPENSSL_SYS_NETWARE) && !defined(NETWARE_BSDSOCK) WORD wVerReq; WSADATA wsaData; int err; - if (!wsa_init_done) - { - wsa_init_done=1; - wVerReq = MAKEWORD( 2, 0 ); - err = WSAStartup(wVerReq,&wsaData); - if (err != 0) - { - SYSerr(SYS_F_WSASTARTUP,err); - BIOerr(BIO_F_BIO_SOCK_INIT,BIO_R_WSASTARTUP); - return(-1); - } - } -#endif - - return(1); - } + if (!wsa_init_done) { + wsa_init_done = 1; + wVerReq = MAKEWORD(2, 0); + err = WSAStartup(wVerReq, &wsaData); + if (err != 0) { + SYSerr(SYS_F_WSASTARTUP, err); + BIOerr(BIO_F_BIO_SOCK_INIT, BIO_R_WSASTARTUP); + return (-1); + } + } +# endif + + return (1); +} void BIO_sock_cleanup(void) - { -#ifdef OPENSSL_SYS_WINDOWS - if (wsa_init_done) - { - wsa_init_done=0; -#if 0 /* this call is claimed to be non-present in Winsock2 */ - WSACancelBlockingCall(); -#endif - WSACleanup(); - } -#elif defined(OPENSSL_SYS_NETWARE) && !defined(NETWARE_BSDSOCK) - if (wsa_init_done) - { - wsa_init_done=0; +{ +# ifdef OPENSSL_SYS_WINDOWS + if (wsa_init_done) { + wsa_init_done = 0; WSACleanup(); - } -#endif - } + } +# elif defined(OPENSSL_SYS_NETWARE) && !defined(NETWARE_BSDSOCK) + if (wsa_init_done) { + wsa_init_done = 0; + WSACleanup(); + } +# endif +} -#if !defined(OPENSSL_SYS_VMS) || __VMS_VER >= 70000000 +# if !defined(OPENSSL_SYS_VMS) || __VMS_VER >= 70000000 int BIO_socket_ioctl(int fd, long type, void *arg) - { - int i; - -#ifdef __DJGPP__ - i=ioctlsocket(fd,type,(char *)arg); -#else -# if defined(OPENSSL_SYS_VMS) - /* 2011-02-18 SMS. - * VMS ioctl() can't tolerate a 64-bit "void *arg", but we - * observe that all the consumers pass in an "unsigned long *", - * so we arrange a local copy with a short pointer, and use - * that, instead. - */ -# if __INITIAL_POINTER_SIZE == 64 -# define ARG arg_32p -# pragma pointer_size save -# pragma pointer_size 32 - unsigned long arg_32; - unsigned long *arg_32p; -# pragma pointer_size restore - arg_32p = &arg_32; - arg_32 = *((unsigned long *) arg); -# else /* __INITIAL_POINTER_SIZE == 64 */ -# define ARG arg -# endif /* __INITIAL_POINTER_SIZE == 64 [else] */ -# else /* defined(OPENSSL_SYS_VMS) */ -# define ARG arg -# endif /* defined(OPENSSL_SYS_VMS) [else] */ - - i=ioctlsocket(fd,type,ARG); -#endif /* __DJGPP__ */ - if (i < 0) - SYSerr(SYS_F_IOCTLSOCKET,get_last_socket_error()); - return(i); - } -#endif /* __VMS_VER */ - -/* The reason I have implemented this instead of using sscanf is because - * Visual C 1.52c gives an unresolved external when linking a DLL :-( */ -static int get_ip(const char *str, unsigned char ip[4]) - { - unsigned int tmp[4]; - int num=0,c,ok=0; - - tmp[0]=tmp[1]=tmp[2]=tmp[3]=0; - - for (;;) - { - c= *(str++); - if ((c >= '0') && (c <= '9')) - { - ok=1; - tmp[num]=tmp[num]*10+c-'0'; - if (tmp[num] > 255) return(0); - } - else if (c == '.') - { - if (!ok) return(-1); - if (num == 3) return(0); - num++; - ok=0; - } - else if (c == '\0' && (num == 3) && ok) - break; - else - return(0); - } - ip[0]=tmp[0]; - ip[1]=tmp[1]; - ip[2]=tmp[2]; - ip[3]=tmp[3]; - return(1); - } +{ + int i; +# ifdef __DJGPP__ + i = ioctlsocket(fd, type, (char *)arg); +# else +# if defined(OPENSSL_SYS_VMS) + /*- + * 2011-02-18 SMS. + * VMS ioctl() can't tolerate a 64-bit "void *arg", but we + * observe that all the consumers pass in an "unsigned long *", + * so we arrange a local copy with a short pointer, and use + * that, instead. + */ +# if __INITIAL_POINTER_SIZE == 64 +# define ARG arg_32p +# pragma pointer_size save +# pragma pointer_size 32 + unsigned long arg_32; + unsigned long *arg_32p; +# pragma pointer_size restore + arg_32p = &arg_32; + arg_32 = *((unsigned long *)arg); +# else /* __INITIAL_POINTER_SIZE == 64 */ +# define ARG arg +# endif /* __INITIAL_POINTER_SIZE == 64 [else] */ +# else /* defined(OPENSSL_SYS_VMS) */ +# define ARG arg +# endif /* defined(OPENSSL_SYS_VMS) [else] */ + + i = ioctlsocket(fd, type, ARG); +# endif /* __DJGPP__ */ + if (i < 0) + SYSerr(SYS_F_IOCTLSOCKET, get_last_socket_error()); + return (i); +} +# endif /* __VMS_VER */ + +# if OPENSSL_API_COMPAT < 0x10100000L int BIO_get_accept_socket(char *host, int bind_mode) - { - int ret=0; - union { - struct sockaddr sa; - struct sockaddr_in sa_in; -#if OPENSSL_USE_IPV6 - struct sockaddr_in6 sa_in6; -#endif - } server,client; - int s=INVALID_SOCKET,cs,addrlen; - unsigned char ip[4]; - unsigned short port; - char *str=NULL,*e; - char *h,*p; - unsigned long l; - int err_num; - - if (BIO_sock_init() != 1) return(INVALID_SOCKET); - - if ((str=BUF_strdup(host)) == NULL) return(INVALID_SOCKET); - - h=p=NULL; - h=str; - for (e=str; *e; e++) - { - if (*e == ':') - { - p=e; - } - else if (*e == '/') - { - *e='\0'; - break; - } - } - if (p) *p++='\0'; /* points at last ':', '::port' is special [see below] */ - else p=h,h=NULL; - -#ifdef EAI_FAMILY - do { - static union { void *p; - int (WSAAPI *f)(const char *,const char *, - const struct addrinfo *, - struct addrinfo **); - } p_getaddrinfo = {NULL}; - static union { void *p; - void (WSAAPI *f)(struct addrinfo *); - } p_freeaddrinfo = {NULL}; - struct addrinfo *res,hint; - - if (p_getaddrinfo.p==NULL) - { - if ((p_getaddrinfo.p=DSO_global_lookup("getaddrinfo"))==NULL || - (p_freeaddrinfo.p=DSO_global_lookup("freeaddrinfo"))==NULL) - p_getaddrinfo.p=(void*)-1; - } - if (p_getaddrinfo.p==(void *)-1) break; - - /* '::port' enforces IPv6 wildcard listener. Some OSes, - * e.g. Solaris, default to IPv6 without any hint. Also - * note that commonly IPv6 wildchard socket can service - * IPv4 connections just as well... */ - memset(&hint,0,sizeof(hint)); - hint.ai_flags = AI_PASSIVE; - if (h) - { - if (strchr(h,':')) - { - if (h[1]=='\0') h=NULL; -#if OPENSSL_USE_IPV6 - hint.ai_family = AF_INET6; -#else - h=NULL; -#endif - } - else if (h[0]=='*' && h[1]=='\0') - { - hint.ai_family = AF_INET; - h=NULL; - } - } - - if ((*p_getaddrinfo.f)(h,p,&hint,&res)) break; - - addrlen = res->ai_addrlen<=sizeof(server) ? - res->ai_addrlen : - sizeof(server); - memcpy(&server, res->ai_addr, addrlen); - - (*p_freeaddrinfo.f)(res); - goto again; - } while (0); -#endif +{ + int s = INVALID_SOCKET; + char *h = NULL, *p = NULL; + BIO_ADDRINFO *res = NULL; - if (!BIO_get_port(p,&port)) goto err; - - memset((char *)&server,0,sizeof(server)); - server.sa_in.sin_family=AF_INET; - server.sa_in.sin_port=htons(port); - addrlen = sizeof(server.sa_in); - - if (h == NULL || strcmp(h,"*") == 0) - server.sa_in.sin_addr.s_addr=INADDR_ANY; - else - { - if (!BIO_get_host_ip(h,&(ip[0]))) goto err; - l=(unsigned long) - ((unsigned long)ip[0]<<24L)| - ((unsigned long)ip[1]<<16L)| - ((unsigned long)ip[2]<< 8L)| - ((unsigned long)ip[3]); - server.sa_in.sin_addr.s_addr=htonl(l); - } - -again: - s=socket(server.sa.sa_family,SOCK_STREAM,SOCKET_PROTOCOL); - if (s == INVALID_SOCKET) - { - SYSerr(SYS_F_SOCKET,get_last_socket_error()); - ERR_add_error_data(3,"port='",host,"'"); - BIOerr(BIO_F_BIO_GET_ACCEPT_SOCKET,BIO_R_UNABLE_TO_CREATE_SOCKET); - goto err; - } - -#ifdef SO_REUSEADDR - if (bind_mode == BIO_BIND_REUSEADDR) - { - int i=1; - - ret=setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&i,sizeof(i)); - bind_mode=BIO_BIND_NORMAL; - } -#endif - if (bind(s,&server.sa,addrlen) == -1) - { -#ifdef SO_REUSEADDR - err_num=get_last_socket_error(); - if ((bind_mode == BIO_BIND_REUSEADDR_IF_UNUSED) && -#ifdef OPENSSL_SYS_WINDOWS - /* Some versions of Windows define EADDRINUSE to - * a dummy value. - */ - (err_num == WSAEADDRINUSE)) -#else - (err_num == EADDRINUSE)) -#endif - { - client = server; - if (h == NULL || strcmp(h,"*") == 0) - { -#if OPENSSL_USE_IPV6 - if (client.sa.sa_family == AF_INET6) - { - memset(&client.sa_in6.sin6_addr,0,sizeof(client.sa_in6.sin6_addr)); - client.sa_in6.sin6_addr.s6_addr[15]=1; - } - else -#endif - if (client.sa.sa_family == AF_INET) - { - client.sa_in.sin_addr.s_addr=htonl(0x7F000001); - } - else goto err; - } - cs=socket(client.sa.sa_family,SOCK_STREAM,SOCKET_PROTOCOL); - if (cs != INVALID_SOCKET) - { - int ii; - ii=connect(cs,&client.sa,addrlen); - closesocket(cs); - if (ii == INVALID_SOCKET) - { - bind_mode=BIO_BIND_REUSEADDR; - closesocket(s); - goto again; - } - /* else error */ - } - /* else error */ - } -#endif - SYSerr(SYS_F_BIND,err_num); - ERR_add_error_data(3,"port='",host,"'"); - BIOerr(BIO_F_BIO_GET_ACCEPT_SOCKET,BIO_R_UNABLE_TO_BIND_SOCKET); - goto err; - } - if (listen(s,MAX_LISTEN) == -1) - { - SYSerr(SYS_F_BIND,get_last_socket_error()); - ERR_add_error_data(3,"port='",host,"'"); - BIOerr(BIO_F_BIO_GET_ACCEPT_SOCKET,BIO_R_UNABLE_TO_LISTEN_SOCKET); - goto err; - } - ret=1; -err: - if (str != NULL) OPENSSL_free(str); - if ((ret == 0) && (s != INVALID_SOCKET)) - { - closesocket(s); - s= INVALID_SOCKET; - } - return(s); - } - -int BIO_accept(int sock, char **addr) - { - int ret=INVALID_SOCKET; - unsigned long l; - unsigned short port; - char *p; - - struct { - /* - * As for following union. Trouble is that there are platforms - * that have socklen_t and there are platforms that don't, on - * some platforms socklen_t is int and on some size_t. So what - * one can do? One can cook #ifdef spaghetti, which is nothing - * but masochistic. Or one can do union between int and size_t. - * One naturally does it primarily for 64-bit platforms where - * sizeof(int) != sizeof(size_t). But would it work? Note that - * if size_t member is initialized to 0, then later int member - * assignment naturally does the job on little-endian platforms - * regardless accept's expectations! What about big-endians? - * If accept expects int*, then it works, and if size_t*, then - * length value would appear as unreasonably large. But this - * won't prevent it from filling in the address structure. The - * trouble of course would be if accept returns more data than - * actual buffer can accomodate and overwrite stack... That's - * where early OPENSSL_assert comes into picture. Besides, the - * only 64-bit big-endian platform found so far that expects - * size_t* is HP-UX, where stack grows towards higher address. - * - */ - union { size_t s; int i; } len; - union { - struct sockaddr sa; - struct sockaddr_in sa_in; -#if OPENSSL_USE_IPV6 - struct sockaddr_in6 sa_in6; -#endif - } from; - } sa; - - sa.len.s=0; - sa.len.i=sizeof(sa.from); - memset(&sa.from,0,sizeof(sa.from)); - ret=accept(sock,&sa.from.sa,(void *)&sa.len); - if (sizeof(sa.len.i)!=sizeof(sa.len.s) && sa.len.i==0) - { - OPENSSL_assert(sa.len.s<=sizeof(sa.from)); - sa.len.i = (int)sa.len.s; - /* use sa.len.i from this point */ - } - if (ret == INVALID_SOCKET) - { - if(BIO_sock_should_retry(ret)) return -2; - SYSerr(SYS_F_ACCEPT,get_last_socket_error()); - BIOerr(BIO_F_BIO_ACCEPT,BIO_R_ACCEPT_ERROR); - goto end; - } - - if (addr == NULL) goto end; - -#ifdef EAI_FAMILY - do { - char h[NI_MAXHOST],s[NI_MAXSERV]; - size_t nl; - static union { void *p; - int (WSAAPI *f)(const struct sockaddr *,size_t/*socklen_t*/, - char *,size_t,char *,size_t,int); - } p_getnameinfo = {NULL}; - /* 2nd argument to getnameinfo is specified to - * be socklen_t. Unfortunately there is a number - * of environments where socklen_t is not defined. - * As it's passed by value, it's safe to pass it - * as size_t... */ - - if (p_getnameinfo.p==NULL) - { - if ((p_getnameinfo.p=DSO_global_lookup("getnameinfo"))==NULL) - p_getnameinfo.p=(void*)-1; - } - if (p_getnameinfo.p==(void *)-1) break; - - if ((*p_getnameinfo.f)(&sa.from.sa,sa.len.i,h,sizeof(h),s,sizeof(s), - NI_NUMERICHOST|NI_NUMERICSERV)) break; - nl = strlen(h)+strlen(s)+2; - p = *addr; - if (p) { *p = '\0'; p = OPENSSL_realloc(p,nl); } - else { p = OPENSSL_malloc(nl); } - if (p==NULL) - { - BIOerr(BIO_F_BIO_ACCEPT,ERR_R_MALLOC_FAILURE); - goto end; - } - *addr = p; - BIO_snprintf(*addr,nl,"%s:%s",h,s); - goto end; - } while(0); -#endif - if (sa.from.sa.sa_family != AF_INET) goto end; - l=ntohl(sa.from.sa_in.sin_addr.s_addr); - port=ntohs(sa.from.sa_in.sin_port); - if (*addr == NULL) - { - if ((p=OPENSSL_malloc(24)) == NULL) - { - BIOerr(BIO_F_BIO_ACCEPT,ERR_R_MALLOC_FAILURE); - goto end; - } - *addr=p; - } - BIO_snprintf(*addr,24,"%d.%d.%d.%d:%d", - (unsigned char)(l>>24L)&0xff, - (unsigned char)(l>>16L)&0xff, - (unsigned char)(l>> 8L)&0xff, - (unsigned char)(l )&0xff, - port); -end: - return(ret); - } + if (!BIO_parse_hostserv(host, &h, &p, BIO_PARSE_PRIO_SERV)) + return INVALID_SOCKET; + + if (BIO_sock_init() != 1) + return INVALID_SOCKET; + + if (BIO_lookup(h, p, BIO_LOOKUP_SERVER, AF_UNSPEC, SOCK_STREAM, &res) != 0) + goto err; + + if ((s = BIO_socket(BIO_ADDRINFO_family(res), BIO_ADDRINFO_socktype(res), + BIO_ADDRINFO_protocol(res), 0)) == INVALID_SOCKET) { + s = INVALID_SOCKET; + goto err; + } + + if (!BIO_listen(s, BIO_ADDRINFO_address(res), + bind_mode ? BIO_SOCK_REUSEADDR : 0)) { + BIO_closesocket(s); + s = INVALID_SOCKET; + } + + err: + BIO_ADDRINFO_free(res); + OPENSSL_free(h); + OPENSSL_free(p); + + return s; +} + +int BIO_accept(int sock, char **ip_port) +{ + BIO_ADDR res; + int ret = -1; + + ret = BIO_accept_ex(sock, &res, 0); + if (ret == (int)INVALID_SOCKET) { + if (BIO_sock_should_retry(ret)) { + ret = -2; + goto end; + } + SYSerr(SYS_F_ACCEPT, get_last_socket_error()); + BIOerr(BIO_F_BIO_ACCEPT, BIO_R_ACCEPT_ERROR); + goto end; + } + + if (ip_port != NULL) { + char *host = BIO_ADDR_hostname_string(&res, 1); + char *port = BIO_ADDR_service_string(&res, 1); + *ip_port = OPENSSL_zalloc(strlen(host) + strlen(port) + 2); + strcpy(*ip_port, host); + strcat(*ip_port, ":"); + strcat(*ip_port, port); + OPENSSL_free(host); + OPENSSL_free(port); + } + + end: + return ret; +} +# endif int BIO_set_tcp_ndelay(int s, int on) - { - int ret=0; -#if defined(TCP_NODELAY) && (defined(IPPROTO_TCP) || defined(SOL_TCP)) - int opt; - -#ifdef SOL_TCP - opt=SOL_TCP; -#else -#ifdef IPPROTO_TCP - opt=IPPROTO_TCP; -#endif -#endif - - ret=setsockopt(s,opt,TCP_NODELAY,(char *)&on,sizeof(on)); -#endif - return(ret == 0); - } -#endif +{ + int ret = 0; +# if defined(TCP_NODELAY) && (defined(IPPROTO_TCP) || defined(SOL_TCP)) + int opt; + +# ifdef SOL_TCP + opt = SOL_TCP; +# else +# ifdef IPPROTO_TCP + opt = IPPROTO_TCP; +# endif +# endif + + ret = setsockopt(s, opt, TCP_NODELAY, (char *)&on, sizeof(on)); +# endif + return (ret == 0); +} int BIO_socket_nbio(int s, int mode) - { - int ret= -1; - int l; +{ + int ret = -1; + int l; + + l = mode; +# ifdef FIONBIO + l = mode; + + ret = BIO_socket_ioctl(s, FIONBIO, &l); +# elif defined(F_GETFL) && defined(F_SETFL) && (defined(O_NONBLOCK) || defined(FNDELAY)) + /* make sure this call always pushes an error level; BIO_socket_ioctl() does so, so we do too. */ + + l = fcntl(s, F_GETFL, 0); + if (l == -1) { + SYSerr(SYS_F_FCNTL, get_last_rtl_error()); + ret = -1; + } else { +# if defined(O_NONBLOCK) + l &= ~O_NONBLOCK; +# else + l &= ~FNDELAY; /* BSD4.x */ +# endif + if (mode) { +# if defined(O_NONBLOCK) + l |= O_NONBLOCK; +# else + l |= FNDELAY; /* BSD4.x */ +# endif + } + ret = fcntl(s, F_SETFL, l); + + if (ret < 0) { + SYSerr(SYS_F_FCNTL, get_last_rtl_error()); + } + } +# else + /* make sure this call always pushes an error level; BIO_socket_ioctl() does so, so we do too. */ + BIOerr(BIO_F_BIO_SOCKET_NBIO, ERR_R_PASSED_INVALID_ARGUMENT); +# endif + + return (ret == 0); +} + +int BIO_sock_info(int sock, + enum BIO_sock_info_type type, union BIO_sock_info_u *info) +{ + switch (type) { + case BIO_SOCK_INFO_ADDRESS: + { + socklen_t addr_len; + int ret = 0; + addr_len = sizeof(*info->addr); + ret = getsockname(sock, BIO_ADDR_sockaddr_noconst(info->addr), + &addr_len); + if (ret == -1) { + SYSerr(SYS_F_GETSOCKNAME, get_last_socket_error()); + BIOerr(BIO_F_BIO_SOCK_INFO, BIO_R_GETSOCKNAME_ERROR); + return 0; + } + if ((size_t)addr_len > sizeof(*info->addr)) { + BIOerr(BIO_F_BIO_SOCK_INFO, BIO_R_GETSOCKNAME_TRUNCATED_ADDRESS); + return 0; + } + } + break; + default: + BIOerr(BIO_F_BIO_SOCK_INFO, BIO_R_UNKNOWN_INFO_TYPE); + return 0; + } + return 1; +} - l=mode; -#ifdef FIONBIO - ret=BIO_socket_ioctl(s,FIONBIO,&l); #endif - return(ret == 0); - }