Moving Sun RPC code into libc, part 1. Based on work done by a number of

people, including J.T. Conklin, Theo de Raadt, Paul Richards, and probably
someone else who's going to flame me as soon as they see this message.

1 files changed, 303 insertions, 0 deletions

diff --git a/lib/libc/rpc/clnt_perror.c b/lib/libc/rpc/clnt_perror.c
new file mode 100644
index 0000000..9a7d76c
--- /dev/null
+++ b/lib/libc/rpc/clnt_perror.c
@@ -0,0 +1,303 @@
+/*
+ * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
+ * unrestricted use provided that this legend is included on all tape
+ * media and as a part of the software program in whole or part.  Users
+ * may copy or modify Sun RPC without charge, but are not authorized
+ * to license or distribute it to anyone else except as part of a product or
+ * program developed by the user.
+ * 
+ * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
+ * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
+ * 
+ * Sun RPC is provided with no support and without any obligation on the
+ * part of Sun Microsystems, Inc. to assist in its use, correction,
+ * modification or enhancement.
+ * 
+ * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
+ * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
+ * OR ANY PART THEREOF.
+ * 
+ * In no event will Sun Microsystems, Inc. be liable for any lost revenue
+ * or profits or other special, indirect and consequential damages, even if
+ * Sun has been advised of the possibility of such damages.
+ * 
+ * Sun Microsystems, Inc.
+ * 2550 Garcia Avenue
+ * Mountain View, California  94043
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+/*static char *sccsid = "from: @(#)clnt_perror.c 1.15 87/10/07 Copyr 1984 Sun Micro";*/
+/*static char *sccsid = "from: @(#)clnt_perror.c	2.1 88/07/29 4.0 RPCSRC";*/
+static char *rcsid = "$Id: clnt_perror.c,v 1.1 1993/10/27 05:40:20 paul Exp $";
+#endif
+
+/*
+ * clnt_perror.c
+ *
+ * Copyright (C) 1984, Sun Microsystems, Inc.
+ *
+ */
+#include <stdio.h>
+#include <string.h>
+#include <rpc/rpc.h>
+#include <rpc/types.h>
+#include <rpc/auth.h>
+#include <rpc/clnt.h>
+
+static char *auth_errmsg();
+
+static char *buf;
+
+static char *
+_buf()
+{
+
+	if (buf == 0)
+		buf = (char *)malloc(256);
+	return (buf);
+}
+
+/*
+ * Print reply error info
+ */
+char *
+clnt_sperror(rpch, s)
+	CLIENT *rpch;
+	char *s;
+{
+	struct rpc_err e;
+	void clnt_perrno();
+	char *err;
+	char *str = _buf();
+	char *strstart = str;
+
+	if (str == 0)
+		return (0);
+	CLNT_GETERR(rpch, &e);
+
+	(void) sprintf(str, "%s: ", s);  
+	str += strlen(str);
+
+	(void) strcpy(str, clnt_sperrno(e.re_status));  
+	str += strlen(str);
+
+	switch (e.re_status) {
+	case RPC_SUCCESS:
+	case RPC_CANTENCODEARGS:
+	case RPC_CANTDECODERES:
+	case RPC_TIMEDOUT:     
+	case RPC_PROGUNAVAIL:
+	case RPC_PROCUNAVAIL:
+	case RPC_CANTDECODEARGS:
+	case RPC_SYSTEMERROR:
+	case RPC_UNKNOWNHOST:
+	case RPC_UNKNOWNPROTO:
+	case RPC_PMAPFAILURE:
+	case RPC_PROGNOTREGISTERED:
+	case RPC_FAILED:
+		break;
+
+	case RPC_CANTSEND:
+	case RPC_CANTRECV:
+		(void) sprintf(str, "; errno = %s",
+		    strerror(e.re_errno)); 
+		str += strlen(str);
+		break;
+
+	case RPC_VERSMISMATCH:
+		(void) sprintf(str,
+			"; low version = %lu, high version = %lu", 
+			e.re_vers.low, e.re_vers.high);
+		str += strlen(str);
+		break;
+
+	case RPC_AUTHERROR:
+		err = auth_errmsg(e.re_why);
+		(void) sprintf(str,"; why = ");
+		str += strlen(str);
+		if (err != NULL) {
+			(void) sprintf(str, "%s",err);
+		} else {
+			(void) sprintf(str,
+				"(unknown authentication error - %d)",
+				(int) e.re_why);
+		}
+		str += strlen(str);
+		break;
+
+	case RPC_PROGVERSMISMATCH:
+		(void) sprintf(str, 
+			"; low version = %lu, high version = %lu", 
+			e.re_vers.low, e.re_vers.high);
+		str += strlen(str);
+		break;
+
+	default:	/* unknown */
+		(void) sprintf(str, 
+			"; s1 = %lu, s2 = %lu", 
+			e.re_lb.s1, e.re_lb.s2);
+		str += strlen(str);
+		break;
+	}
+	(void) sprintf(str, "\n");
+	return(strstart) ;
+}
+
+void
+clnt_perror(rpch, s)
+	CLIENT *rpch;
+	char *s;
+{
+	(void) fprintf(stderr,"%s",clnt_sperror(rpch,s));
+}
+
+
+struct rpc_errtab {
+	enum clnt_stat status;
+	char *message;
+};
+
+static struct rpc_errtab  rpc_errlist[] = {
+	{ RPC_SUCCESS, 
+		"RPC: Success" }, 
+	{ RPC_CANTENCODEARGS, 
+		"RPC: Can't encode arguments" },
+	{ RPC_CANTDECODERES, 
+		"RPC: Can't decode result" },
+	{ RPC_CANTSEND, 
+		"RPC: Unable to send" },
+	{ RPC_CANTRECV, 
+		"RPC: Unable to receive" },
+	{ RPC_TIMEDOUT, 
+		"RPC: Timed out" },
+	{ RPC_VERSMISMATCH, 
+		"RPC: Incompatible versions of RPC" },
+	{ RPC_AUTHERROR, 
+		"RPC: Authentication error" },
+	{ RPC_PROGUNAVAIL, 
+		"RPC: Program unavailable" },
+	{ RPC_PROGVERSMISMATCH, 
+		"RPC: Program/version mismatch" },
+	{ RPC_PROCUNAVAIL, 
+		"RPC: Procedure unavailable" },
+	{ RPC_CANTDECODEARGS, 
+		"RPC: Server can't decode arguments" },
+	{ RPC_SYSTEMERROR, 
+		"RPC: Remote system error" },
+	{ RPC_UNKNOWNHOST, 
+		"RPC: Unknown host" },
+	{ RPC_UNKNOWNPROTO,
+		"RPC: Unknown protocol" },
+	{ RPC_PMAPFAILURE, 
+		"RPC: Port mapper failure" },
+	{ RPC_PROGNOTREGISTERED, 
+		"RPC: Program not registered"},
+	{ RPC_FAILED, 
+		"RPC: Failed (unspecified error)"}
+};
+
+
+/*
+ * This interface for use by clntrpc
+ */
+char *
+clnt_sperrno(stat)
+	enum clnt_stat stat;
+{
+	int i;
+
+	for (i = 0; i < sizeof(rpc_errlist)/sizeof(struct rpc_errtab); i++) {
+		if (rpc_errlist[i].status == stat) {
+			return (rpc_errlist[i].message);
+		}
+	}
+	return ("RPC: (unknown error code)");
+}
+
+void
+clnt_perrno(num)
+	enum clnt_stat num;
+{
+	(void) fprintf(stderr,"%s",clnt_sperrno(num));
+}
+
+
+char *
+clnt_spcreateerror(s)
+	char *s;
+{
+	extern int sys_nerr;
+	char *str = _buf();
+
+	if (str == 0)
+		return(0);
+	(void) sprintf(str, "%s: ", s);
+	(void) strcat(str, clnt_sperrno(rpc_createerr.cf_stat));
+	switch (rpc_createerr.cf_stat) {
+	case RPC_PMAPFAILURE:
+		(void) strcat(str, " - ");
+		(void) strcat(str,
+		    clnt_sperrno(rpc_createerr.cf_error.re_status));
+		break;
+
+	case RPC_SYSTEMERROR:
+		(void) strcat(str, " - ");
+		if (rpc_createerr.cf_error.re_errno > 0
+		    && rpc_createerr.cf_error.re_errno < sys_nerr)
+			(void) strcat(str,
+			    strerror(rpc_createerr.cf_error.re_errno));
+		else
+			(void) sprintf(&str[strlen(str)], "Error %d",
+			    rpc_createerr.cf_error.re_errno);
+		break;
+	}
+	(void) strcat(str, "\n");
+	return (str);
+}
+
+void
+clnt_pcreateerror(s)
+	char *s;
+{
+	(void) fprintf(stderr,"%s",clnt_spcreateerror(s));
+}
+
+struct auth_errtab {
+	enum auth_stat status;	
+	char *message;
+};
+
+static struct auth_errtab auth_errlist[] = {
+	{ AUTH_OK,
+		"Authentication OK" },
+	{ AUTH_BADCRED,
+		"Invalid client credential" },
+	{ AUTH_REJECTEDCRED,
+		"Server rejected credential" },
+	{ AUTH_BADVERF,
+		"Invalid client verifier" },
+	{ AUTH_REJECTEDVERF,
+		"Server rejected verifier" },
+	{ AUTH_TOOWEAK,
+		"Client credential too weak" },
+	{ AUTH_INVALIDRESP,
+		"Invalid server verifier" },
+	{ AUTH_FAILED,
+		"Failed (unspecified error)" },
+};
+
+static char *
+auth_errmsg(stat)
+	enum auth_stat stat;
+{
+	int i;
+
+	for (i = 0; i < sizeof(auth_errlist)/sizeof(struct auth_errtab); i++) {
+		if (auth_errlist[i].status == stat) {
+			return(auth_errlist[i].message);
+		}
+	}
+	return(NULL);
+}