diff options
Diffstat (limited to 'crypto/rand/rand_egd.c')
-rw-r--r-- | crypto/rand/rand_egd.c | 356 |
1 files changed, 172 insertions, 184 deletions
diff --git a/crypto/rand/rand_egd.c b/crypto/rand/rand_egd.c index 0f320945a4..53d7a2bb37 100644 --- a/crypto/rand/rand_egd.c +++ b/crypto/rand/rand_egd.c @@ -8,7 +8,7 @@ * are met: * * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. + * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in @@ -97,207 +97,195 @@ #if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_VMS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_VOS) int RAND_query_egd_bytes(const char *path, unsigned char *buf, int bytes) - { - return(-1); - } +{ + return (-1); +} + int RAND_egd(const char *path) - { - return(-1); - } +{ + return (-1); +} -int RAND_egd_bytes(const char *path,int bytes) - { - return(-1); - } +int RAND_egd_bytes(const char *path, int bytes) +{ + return (-1); +} #else -#include <openssl/opensslconf.h> -#include OPENSSL_UNISTD -#include <sys/types.h> -#include <sys/socket.h> -#ifndef NO_SYS_UN_H -# ifdef OPENSSL_SYS_VXWORKS +# include <openssl/opensslconf.h> +# include OPENSSL_UNISTD +# include <sys/types.h> +# include <sys/socket.h> +# ifndef NO_SYS_UN_H +# ifdef OPENSSL_SYS_VXWORKS # include <streams/un.h> -# else +# else # include <sys/un.h> -# endif -#else -struct sockaddr_un { - short sun_family; /* AF_UNIX */ - char sun_path[108]; /* path name (gag) */ +# endif +# else +struct sockaddr_un { + short sun_family; /* AF_UNIX */ + char sun_path[108]; /* path name (gag) */ }; -#endif /* NO_SYS_UN_H */ -#include <string.h> -#include <errno.h> +# endif /* NO_SYS_UN_H */ +# include <string.h> +# include <errno.h> -#ifndef offsetof +# ifndef offsetof # define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER) -#endif +# endif int RAND_query_egd_bytes(const char *path, unsigned char *buf, int bytes) - { - int ret = 0; - struct sockaddr_un addr; - int len, num, numbytes; - int fd = -1; - int success; - unsigned char egdbuf[2], tempbuf[255], *retrievebuf; +{ + int ret = 0; + struct sockaddr_un addr; + int len, num, numbytes; + int fd = -1; + int success; + unsigned char egdbuf[2], tempbuf[255], *retrievebuf; - memset(&addr, 0, sizeof(addr)); - addr.sun_family = AF_UNIX; - if (strlen(path) >= sizeof(addr.sun_path)) - return (-1); - BUF_strlcpy(addr.sun_path,path,sizeof addr.sun_path); - len = offsetof(struct sockaddr_un, sun_path) + strlen(path); - fd = socket(AF_UNIX, SOCK_STREAM, 0); - if (fd == -1) return (-1); - success = 0; - while (!success) - { - if (connect(fd, (struct sockaddr *)&addr, len) == 0) - success = 1; - else - { - switch (errno) - { -#ifdef EINTR - case EINTR: -#endif -#ifdef EAGAIN - case EAGAIN: -#endif -#ifdef EINPROGRESS - case EINPROGRESS: -#endif -#ifdef EALREADY - case EALREADY: -#endif - /* No error, try again */ - break; -#ifdef EISCONN - case EISCONN: - success = 1; - break; -#endif - default: - goto err; /* failure */ - } - } - } + memset(&addr, 0, sizeof(addr)); + addr.sun_family = AF_UNIX; + if (strlen(path) >= sizeof(addr.sun_path)) + return (-1); + BUF_strlcpy(addr.sun_path, path, sizeof addr.sun_path); + len = offsetof(struct sockaddr_un, sun_path) + strlen(path); + fd = socket(AF_UNIX, SOCK_STREAM, 0); + if (fd == -1) + return (-1); + success = 0; + while (!success) { + if (connect(fd, (struct sockaddr *)&addr, len) == 0) + success = 1; + else { + switch (errno) { +# ifdef EINTR + case EINTR: +# endif +# ifdef EAGAIN + case EAGAIN: +# endif +# ifdef EINPROGRESS + case EINPROGRESS: +# endif +# ifdef EALREADY + case EALREADY: +# endif + /* No error, try again */ + break; +# ifdef EISCONN + case EISCONN: + success = 1; + break; +# endif + default: + goto err; /* failure */ + } + } + } - while(bytes > 0) - { - egdbuf[0] = 1; - egdbuf[1] = bytes < 255 ? bytes : 255; - numbytes = 0; - while (numbytes != 2) - { - num = write(fd, egdbuf + numbytes, 2 - numbytes); - if (num >= 0) - numbytes += num; - else - { - switch (errno) - { -#ifdef EINTR - case EINTR: -#endif -#ifdef EAGAIN - case EAGAIN: -#endif - /* No error, try again */ - break; - default: - ret = -1; - goto err; /* failure */ - } - } - } - numbytes = 0; - while (numbytes != 1) - { - num = read(fd, egdbuf, 1); - if (num == 0) - goto err; /* descriptor closed */ - else if (num > 0) - numbytes += num; - else - { - switch (errno) - { -#ifdef EINTR - case EINTR: -#endif -#ifdef EAGAIN - case EAGAIN: -#endif - /* No error, try again */ - break; - default: - ret = -1; - goto err; /* failure */ - } - } - } - if(egdbuf[0] == 0) - goto err; - if (buf) - retrievebuf = buf + ret; - else - retrievebuf = tempbuf; - numbytes = 0; - while (numbytes != egdbuf[0]) - { - num = read(fd, retrievebuf + numbytes, egdbuf[0] - numbytes); - if (num == 0) - goto err; /* descriptor closed */ - else if (num > 0) - numbytes += num; - else - { - switch (errno) - { -#ifdef EINTR - case EINTR: -#endif -#ifdef EAGAIN - case EAGAIN: -#endif - /* No error, try again */ - break; - default: - ret = -1; - goto err; /* failure */ - } - } - } - ret += egdbuf[0]; - bytes -= egdbuf[0]; - if (!buf) - RAND_seed(tempbuf, egdbuf[0]); - } + while (bytes > 0) { + egdbuf[0] = 1; + egdbuf[1] = bytes < 255 ? bytes : 255; + numbytes = 0; + while (numbytes != 2) { + num = write(fd, egdbuf + numbytes, 2 - numbytes); + if (num >= 0) + numbytes += num; + else { + switch (errno) { +# ifdef EINTR + case EINTR: +# endif +# ifdef EAGAIN + case EAGAIN: +# endif + /* No error, try again */ + break; + default: + ret = -1; + goto err; /* failure */ + } + } + } + numbytes = 0; + while (numbytes != 1) { + num = read(fd, egdbuf, 1); + if (num == 0) + goto err; /* descriptor closed */ + else if (num > 0) + numbytes += num; + else { + switch (errno) { +# ifdef EINTR + case EINTR: +# endif +# ifdef EAGAIN + case EAGAIN: +# endif + /* No error, try again */ + break; + default: + ret = -1; + goto err; /* failure */ + } + } + } + if (egdbuf[0] == 0) + goto err; + if (buf) + retrievebuf = buf + ret; + else + retrievebuf = tempbuf; + numbytes = 0; + while (numbytes != egdbuf[0]) { + num = read(fd, retrievebuf + numbytes, egdbuf[0] - numbytes); + if (num == 0) + goto err; /* descriptor closed */ + else if (num > 0) + numbytes += num; + else { + switch (errno) { +# ifdef EINTR + case EINTR: +# endif +# ifdef EAGAIN + case EAGAIN: +# endif + /* No error, try again */ + break; + default: + ret = -1; + goto err; /* failure */ + } + } + } + ret += egdbuf[0]; + bytes -= egdbuf[0]; + if (!buf) + RAND_seed(tempbuf, egdbuf[0]); + } err: - if (fd != -1) close(fd); - return(ret); - } - + if (fd != -1) + close(fd); + return (ret); +} int RAND_egd_bytes(const char *path, int bytes) - { - int num, ret = 0; +{ + int num, ret = 0; - num = RAND_query_egd_bytes(path, NULL, bytes); - if (num < 1) goto err; - if (RAND_status() == 1) - ret = num; + num = RAND_query_egd_bytes(path, NULL, bytes); + if (num < 1) + goto err; + if (RAND_status() == 1) + ret = num; err: - return(ret); - } - + return (ret); +} int RAND_egd(const char *path) - { - return (RAND_egd_bytes(path, 255)); - } - +{ + return (RAND_egd_bytes(path, 255)); +} #endif |