1 files changed, 350 insertions, 0 deletions
diff --git a/src/lib/rpc/clnt_perror.c b/src/lib/rpc/clnt_perror.c
new file mode 100644
index 0000000000000..fcc3657464107
--- /dev/null
+++ b/src/lib/rpc/clnt_perror.c
@@ -0,0 +1,350 @@
+/* @(#)clnt_perror.c	2.1 88/07/29 4.0 RPCSRC */
+/*
+ * Copyright (c) 2010, Oracle America, Inc.
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *
+ *     * Neither the name of the "Oracle America, Inc." nor the names of
+ *       its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT 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.
+ */
+#if !defined(lint) && defined(SCCSIDS)
+static char sccsid[] = "@(#)clnt_perror.c 1.15 87/10/07 Copyr 1984 Sun Micro";
+#endif
+
+/*
+ * clnt_perror.c
+ */
+#include "autoconf.h"
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+
+#include <gssrpc/types.h>
+#include <gssrpc/auth.h>
+#include <gssrpc/clnt.h>
+
+#ifndef HAVE_STRERROR
+#ifdef NEED_SYS_ERRLIST
+extern char *sys_errlist[];
+#endif
+extern int sys_nerr;
+#undef strerror
+#define strerror(N) (((N) > 0 && (N) < sys_nerr) ? sys_errlist[N] : (char *)0)
+#endif /* HAVE_STRERROR */
+static char *auth_errmsg(enum auth_stat);
+
+
+
+static char *buf;
+
+static char *
+get_buf(void)
+{
+	if (buf == NULL)
+		buf = (char *)malloc(BUFSIZ);
+	return (buf);
+}
+
+/*
+ * Print reply error info
+ */
+char *
+clnt_sperror(CLIENT *rpch, char *s)
+{
+	struct rpc_err e;
+	void clnt_perrno();
+	char *err;
+	char *bufstart = get_buf();
+	char *str = bufstart;
+	char *strstart = str;
+	char *strend;
+
+	if (str == 0)
+		return (0);
+	strend = str + BUFSIZ;
+	CLNT_GETERR(rpch, &e);
+
+	strncpy (str, s, BUFSIZ - 1);
+	str[BUFSIZ - 1] = 0;
+	strncat (str, ": ", BUFSIZ - 1 - strlen (bufstart));
+	str += strlen(str);
+	strncat (str, clnt_sperrno(e.re_status), BUFSIZ - 1 - strlen (bufstart));
+	strstart[BUFSIZ - 1] = '\0';
+	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:
+		/* 10 for the string */
+		if (str - bufstart + 10 + strlen(strerror(e.re_errno)) < BUFSIZ)
+		    (void) snprintf(str, strend-str, "; errno = %s",
+				    strerror(e.re_errno));
+		str += strlen(str);
+		break;
+
+	case RPC_VERSMISMATCH:
+		/* 33 for the string, 22 for the numbers */
+		if(str - bufstart + 33 + 22 < BUFSIZ)
+		    (void) snprintf(str, strend-str,
+				    "; low version = %lu, high version = %lu",
+				    (u_long) e.re_vers.low,
+				    (u_long) e.re_vers.high);
+		str += strlen(str);
+		break;
+
+	case RPC_AUTHERROR:
+		err = auth_errmsg(e.re_why);
+		/* 8 for the string */
+		if(str - bufstart + 8 < BUFSIZ)
+		    (void) snprintf(str, strend-str, "; why = ");
+		str += strlen(str);
+		if (err != NULL) {
+			if(str - bufstart + strlen(err) < BUFSIZ)
+			    (void) snprintf(str, strend-str, "%s",err);
+		} else {
+		    /* 33 for the string, 11 for the number */
+		    if(str - bufstart + 33 + 11 < BUFSIZ)
+			(void) snprintf(str, strend-str,
+					"(unknown authentication error - %d)",
+					(int) e.re_why);
+		}
+		str += strlen(str);
+		break;
+
+	case RPC_PROGVERSMISMATCH:
+		/* 33 for the string, 22 for the numbers */
+		if(str - bufstart + 33 + 22 < BUFSIZ)
+		    (void) snprintf(str, strend-str,
+				    "; low version = %lu, high version = %lu",
+				    (u_long) e.re_vers.low,
+				    (u_long) e.re_vers.high);
+		str += strlen(str);
+		break;
+
+	default:	/* unknown */
+		/* 14 for the string, 22 for the numbers */
+		if(str - bufstart + 14 + 22 < BUFSIZ)
+		    (void) snprintf(str, strend-str,
+				    "; s1 = %lu, s2 = %lu",
+				    (u_long) e.re_lb.s1,
+				    (u_long) e.re_lb.s2);
+		str += strlen(str);
+		break;
+	}
+	if (str - bufstart + 1 < BUFSIZ)
+	    (void) snprintf(str, strend-str, "\n");
+	return(strstart) ;
+}
+
+void
+clnt_perror(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(enum clnt_stat stat)
+{
+	unsigned 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(enum clnt_stat num)
+{
+	(void) fprintf(stderr,"%s",clnt_sperrno(num));
+}
+
+
+char *
+clnt_spcreateerror(char *s)
+{
+	char *str = get_buf();
+	char *strend;
+
+	if (str == 0)
+		return(0);
+	strend = str+BUFSIZ;
+	(void) snprintf(str, strend-str, "%s: ", s);
+	str[BUFSIZ - 1] = '\0';
+	(void) strncat(str, clnt_sperrno(rpc_createerr.cf_stat), BUFSIZ - 1);
+	switch (rpc_createerr.cf_stat) {
+	case RPC_PMAPFAILURE:
+		(void) strncat(str, " - ", BUFSIZ - 1 - strlen(str));
+		(void) strncat(str,
+		    clnt_sperrno(rpc_createerr.cf_error.re_status),
+		    BUFSIZ - 1 - strlen(str));
+		break;
+
+	case RPC_SYSTEMERROR:
+		(void) strncat(str, " - ", BUFSIZ - 1 - strlen(str));
+		{
+		    const char *m = strerror(rpc_createerr.cf_error.re_errno);
+		    if (m)
+			(void) strncat(str, m, BUFSIZ - 1 - strlen(str));
+		    else
+			(void) snprintf(&str[strlen(str)], BUFSIZ - strlen(str),
+					"Error %d",
+					rpc_createerr.cf_error.re_errno);
+		}
+		break;
+
+	case RPC_CANTSEND:
+	case RPC_CANTDECODERES:
+	case RPC_CANTENCODEARGS:
+	case RPC_SUCCESS:
+	case RPC_UNKNOWNPROTO:
+	case RPC_PROGNOTREGISTERED:
+	case RPC_FAILED:
+	case RPC_UNKNOWNHOST:
+	case RPC_CANTDECODEARGS:
+	case RPC_PROCUNAVAIL:
+	case RPC_PROGVERSMISMATCH:
+	case RPC_PROGUNAVAIL:
+	case RPC_AUTHERROR:
+	case RPC_VERSMISMATCH:
+	case RPC_TIMEDOUT:
+	case RPC_CANTRECV:
+	default:
+	    break;
+	}
+	(void) strncat(str, "\n", BUFSIZ - 1 - strlen(str));
+	return (str);
+}
+
+void
+clnt_pcreateerror(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(enum auth_stat stat)
+{
+	unsigned 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);
+}