diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/sunrpc/svcsock.c | 76 |
1 files changed, 57 insertions, 19 deletions
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c index a98be09768a0..08de328ce433 100644 --- a/net/sunrpc/svcsock.c +++ b/net/sunrpc/svcsock.c @@ -41,6 +41,7 @@ #include <asm/ioctls.h> #include <linux/sunrpc/types.h> +#include <linux/sunrpc/clnt.h> #include <linux/sunrpc/xdr.h> #include <linux/sunrpc/svcsock.h> #include <linux/sunrpc/stats.h> @@ -121,6 +122,41 @@ static inline void svc_reclassify_socket(struct socket *sock) } #endif +static char *__svc_print_addr(struct sockaddr *addr, char *buf, size_t len) +{ + switch (addr->sa_family) { + case AF_INET: + snprintf(buf, len, "%u.%u.%u.%u, port=%u", + NIPQUAD(((struct sockaddr_in *) addr)->sin_addr), + htons(((struct sockaddr_in *) addr)->sin_port)); + break; +#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) + case AF_INET6: + snprintf(buf, len, "%x:%x:%x:%x:%x:%x:%x:%x, port=%u", + NIP6(((struct sockaddr_in6 *) addr)->sin6_addr), + htons(((struct sockaddr_in6 *) addr)->sin6_port)); + break; +#endif + default: + snprintf(buf, len, "unknown address type: %d", addr->sa_family); + break; + } + return buf; +} + +/** + * svc_print_addr - Format rq_addr field for printing + * @rqstp: svc_rqst struct containing address to print + * @buf: target buffer for formatted address + * @len: length of target buffer + * + */ +char *svc_print_addr(struct svc_rqst *rqstp, char *buf, size_t len) +{ + return __svc_print_addr((struct sockaddr *) &rqstp->rq_addr, buf, len); +} +EXPORT_SYMBOL_GPL(svc_print_addr); + /* * Queue up an idle server thread. Must have pool->sp_lock held. * Note: this is really a stack rather than a queue, so that we only @@ -429,6 +465,7 @@ svc_sendto(struct svc_rqst *rqstp, struct xdr_buf *xdr) size_t base = xdr->page_base; unsigned int pglen = xdr->page_len; unsigned int flags = MSG_MORE; + char buf[RPC_MAX_ADDRBUFLEN]; slen = xdr->len; @@ -491,9 +528,9 @@ svc_sendto(struct svc_rqst *rqstp, struct xdr_buf *xdr) len += result; } out: - dprintk("svc: socket %p sendto([%p %Zu... ], %d) = %d (addr %x)\n", - rqstp->rq_sock, xdr->head[0].iov_base, xdr->head[0].iov_len, xdr->len, len, - rqstp->rq_addr.sin_addr.s_addr); + dprintk("svc: socket %p sendto([%p %Zu... ], %d) = %d (addr %s)\n", + rqstp->rq_sock, xdr->head[0].iov_base, xdr->head[0].iov_len, + xdr->len, len, svc_print_addr(rqstp, buf, sizeof(buf))); return len; } @@ -878,6 +915,7 @@ svc_tcp_accept(struct svc_sock *svsk) struct socket *newsock; struct svc_sock *newsvsk; int err, slen; + char buf[RPC_MAX_ADDRBUFLEN]; dprintk("svc: tcp_accept %p sock %p\n", svsk, sock); if (!sock) @@ -908,18 +946,19 @@ svc_tcp_accept(struct svc_sock *svsk) } /* Ideally, we would want to reject connections from unauthorized - * hosts here, but when we get encription, the IP of the host won't - * tell us anything. For now just warn about unpriv connections. + * hosts here, but when we get encryption, the IP of the host won't + * tell us anything. For now just warn about unpriv connections. */ if (ntohs(sin.sin_port) >= 1024) { dprintk(KERN_WARNING - "%s: connect from unprivileged port: %u.%u.%u.%u:%d\n", + "%s: connect from unprivileged port: %s\n", serv->sv_name, - NIPQUAD(sin.sin_addr.s_addr), ntohs(sin.sin_port)); + __svc_print_addr((struct sockaddr *) &sin, buf, + sizeof(buf))); } - - dprintk("%s: connect from %u.%u.%u.%u:%04x\n", serv->sv_name, - NIPQUAD(sin.sin_addr.s_addr), ntohs(sin.sin_port)); + dprintk("%s: connect from %s\n", serv->sv_name, + __svc_print_addr((struct sockaddr *) &sin, buf, + sizeof(buf))); /* make sure that a write doesn't block forever when * low on memory @@ -955,11 +994,9 @@ svc_tcp_accept(struct svc_sock *svsk) "sockets, consider increasing the " "number of nfsd threads\n", serv->sv_name); - printk(KERN_NOTICE "%s: last TCP connect from " - "%u.%u.%u.%u:%d\n", - serv->sv_name, - NIPQUAD(sin.sin_addr.s_addr), - ntohs(sin.sin_port)); + printk(KERN_NOTICE + "%s: last TCP connect from %s\n", + serv->sv_name, buf); } /* * Always select the oldest socket. It's not fair, @@ -1587,11 +1624,12 @@ static int svc_create_socket(struct svc_serv *serv, int protocol, struct socket *sock; int error; int type; + char buf[RPC_MAX_ADDRBUFLEN]; - dprintk("svc: svc_create_socket(%s, %d, %u.%u.%u.%u:%d)\n", - serv->sv_program->pg_name, protocol, - NIPQUAD(sin->sin_addr.s_addr), - ntohs(sin->sin_port)); + dprintk("svc: svc_create_socket(%s, %d, %s)\n", + serv->sv_program->pg_name, protocol, + __svc_print_addr((struct sockaddr *) sin, buf, + sizeof(buf))); if (protocol != IPPROTO_UDP && protocol != IPPROTO_TCP) { printk(KERN_WARNING "svc: only UDP and TCP " |