X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=net%2Fcompat.c;h=9a0f5f2b90c80653acbe2282d3820e8502307429;hb=5351fb106a84d6ac584c2501e3b335093d38a58c;hp=9c970749a3b0fcb56f9c1386d3edcdf6fc97b54e;hpb=7baca6ad0ef09c8a78d798c93a3ce25336e8f50f;p=powerpc.git diff --git a/net/compat.c b/net/compat.c index 9c970749a3..9a0f5f2b90 100644 --- a/net/compat.c +++ b/net/compat.c @@ -13,7 +13,6 @@ #include #include -#include #include #include #include @@ -35,11 +34,11 @@ static inline int iov_from_user_compat_to_kern(struct iovec *kiov, { int tot_len = 0; - while(niov > 0) { + while (niov > 0) { compat_uptr_t buf; compat_size_t len; - if(get_user(len, &uiov32->iov_len) || + if (get_user(len, &uiov32->iov_len) || get_user(buf, &uiov32->iov_base)) { tot_len = -EFAULT; break; @@ -79,12 +78,12 @@ int verify_compat_iovec(struct msghdr *kern_msg, struct iovec *kern_iov, { int tot_len; - if(kern_msg->msg_namelen) { - if(mode==VERIFY_READ) { + if (kern_msg->msg_namelen) { + if (mode==VERIFY_READ) { int err = move_addr_to_kernel(kern_msg->msg_name, kern_msg->msg_namelen, kern_address); - if(err < 0) + if (err < 0) return err; } kern_msg->msg_name = kern_address; @@ -94,7 +93,7 @@ int verify_compat_iovec(struct msghdr *kern_msg, struct iovec *kern_iov, tot_len = iov_from_user_compat_to_kern(kern_iov, (struct compat_iovec __user *)kern_msg->msg_iov, kern_msg->msg_iovlen); - if(tot_len >= 0) + if (tot_len >= 0) kern_msg->msg_iov = kern_iov; return tot_len; @@ -147,8 +146,8 @@ int cmsghdr_from_user_compat_to_kern(struct msghdr *kmsg, struct sock *sk, kcmlen = 0; kcmsg_base = kcmsg = (struct cmsghdr *)stackbuf; ucmsg = CMSG_COMPAT_FIRSTHDR(kmsg); - while(ucmsg != NULL) { - if(get_user(ucmlen, &ucmsg->cmsg_len)) + while (ucmsg != NULL) { + if (get_user(ucmlen, &ucmsg->cmsg_len)) return -EFAULT; /* Catch bogons. */ @@ -161,7 +160,7 @@ int cmsghdr_from_user_compat_to_kern(struct msghdr *kmsg, struct sock *sk, kcmlen += tmp; ucmsg = cmsg_compat_nxthdr(kmsg, ucmsg, ucmlen); } - if(kcmlen == 0) + if (kcmlen == 0) return -EINVAL; /* The kcmlen holds the 64-bit version of the control length. @@ -177,7 +176,7 @@ int cmsghdr_from_user_compat_to_kern(struct msghdr *kmsg, struct sock *sk, /* Now copy them over neatly. */ memset(kcmsg, 0, kcmlen); ucmsg = CMSG_COMPAT_FIRSTHDR(kmsg); - while(ucmsg != NULL) { + while (ucmsg != NULL) { if (__get_user(ucmlen, &ucmsg->cmsg_len)) goto Efault; if (!CMSG_COMPAT_OK(ucmlen, ucmsg, kmsg)) @@ -216,11 +215,12 @@ Efault: int put_cmsg_compat(struct msghdr *kmsg, int level, int type, int len, void *data) { struct compat_timeval ctv; + struct compat_timespec cts; struct compat_cmsghdr __user *cm = (struct compat_cmsghdr __user *) kmsg->msg_control; struct compat_cmsghdr cmhdr; int cmlen; - if(cm == NULL || kmsg->msg_controllen < sizeof(*cm)) { + if (cm == NULL || kmsg->msg_controllen < sizeof(*cm)) { kmsg->msg_flags |= MSG_CTRUNC; return 0; /* XXX: return error? check spec. */ } @@ -230,11 +230,18 @@ int put_cmsg_compat(struct msghdr *kmsg, int level, int type, int len, void *dat ctv.tv_sec = tv->tv_sec; ctv.tv_usec = tv->tv_usec; data = &ctv; - len = sizeof(struct compat_timeval); + len = sizeof(ctv); + } + if (level == SOL_SOCKET && type == SO_TIMESTAMPNS) { + struct timespec *ts = (struct timespec *)data; + cts.tv_sec = ts->tv_sec; + cts.tv_nsec = ts->tv_nsec; + data = &cts; + len = sizeof(cts); } cmlen = CMSG_COMPAT_LEN(len); - if(kmsg->msg_controllen < cmlen) { + if (kmsg->msg_controllen < cmlen) { kmsg->msg_flags |= MSG_CTRUNC; cmlen = kmsg->msg_controllen; } @@ -242,9 +249,9 @@ int put_cmsg_compat(struct msghdr *kmsg, int level, int type, int len, void *dat cmhdr.cmsg_type = type; cmhdr.cmsg_len = cmlen; - if(copy_to_user(cm, &cmhdr, sizeof cmhdr)) + if (copy_to_user(cm, &cmhdr, sizeof cmhdr)) return -EFAULT; - if(copy_to_user(CMSG_COMPAT_DATA(cm), data, cmlen - sizeof(struct compat_cmsghdr))) + if (copy_to_user(CMSG_COMPAT_DATA(cm), data, cmlen - sizeof(struct compat_cmsghdr))) return -EFAULT; cmlen = CMSG_COMPAT_SPACE(len); kmsg->msg_control += cmlen; @@ -546,20 +553,49 @@ int compat_sock_get_timestamp(struct sock *sk, struct timeval __user *userstamp) struct compat_timeval __user *ctv = (struct compat_timeval __user*) userstamp; int err = -ENOENT; + struct timeval tv; if (!sock_flag(sk, SOCK_TIMESTAMP)) sock_enable_timestamp(sk); - if (sk->sk_stamp.tv_sec == -1) + tv = ktime_to_timeval(sk->sk_stamp); + if (tv.tv_sec == -1) return err; - if (sk->sk_stamp.tv_sec == 0) - do_gettimeofday(&sk->sk_stamp); - if (put_user(sk->sk_stamp.tv_sec, &ctv->tv_sec) || - put_user(sk->sk_stamp.tv_usec, &ctv->tv_usec)) + if (tv.tv_sec == 0) { + sk->sk_stamp = ktime_get_real(); + tv = ktime_to_timeval(sk->sk_stamp); + } + err = 0; + if (put_user(tv.tv_sec, &ctv->tv_sec) || + put_user(tv.tv_usec, &ctv->tv_usec)) err = -EFAULT; return err; } EXPORT_SYMBOL(compat_sock_get_timestamp); +int compat_sock_get_timestampns(struct sock *sk, struct timespec __user *userstamp) +{ + struct compat_timespec __user *ctv = + (struct compat_timespec __user*) userstamp; + int err = -ENOENT; + struct timespec ts; + + if (!sock_flag(sk, SOCK_TIMESTAMP)) + sock_enable_timestamp(sk); + ts = ktime_to_timespec(sk->sk_stamp); + if (ts.tv_sec == -1) + return err; + if (ts.tv_sec == 0) { + sk->sk_stamp = ktime_get_real(); + ts = ktime_to_timespec(sk->sk_stamp); + } + err = 0; + if (put_user(ts.tv_sec, &ctv->tv_sec) || + put_user(ts.tv_nsec, &ctv->tv_nsec)) + err = -EFAULT; + return err; +} +EXPORT_SYMBOL(compat_sock_get_timestampns); + asmlinkage long compat_sys_getsockopt(int fd, int level, int optname, char __user *optval, int __user *optlen) { @@ -618,7 +654,7 @@ asmlinkage long compat_sys_socketcall(int call, u32 __user *args) a0 = a[0]; a1 = a[1]; - switch(call) { + switch (call) { case SYS_SOCKET: ret = sys_socket(a0, a1, a[2]); break;