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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 05:45:02 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 05:45:02 +0000 |
commit | 68a560641f7a38c184fd3346dd8008b86e12d77a (patch) | |
tree | d927b2a890d51e5d9e037c03042fb6fabd689cc0 /src/clnt_perror.c | |
parent | Initial commit. (diff) | |
download | libtirpc-68a560641f7a38c184fd3346dd8008b86e12d77a.tar.xz libtirpc-68a560641f7a38c184fd3346dd8008b86e12d77a.zip |
Adding upstream version 1.3.4+ds.upstream/1.3.4+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/clnt_perror.c')
-rw-r--r-- | src/clnt_perror.c | 335 |
1 files changed, 335 insertions, 0 deletions
diff --git a/src/clnt_perror.c b/src/clnt_perror.c new file mode 100644 index 0000000..fb7fb80 --- /dev/null +++ b/src/clnt_perror.c @@ -0,0 +1,335 @@ +/* + * Copyright (c) 2009, Sun Microsystems, 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 Sun Microsystems, 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. + */ + +/* + * clnt_perror.c + * + * Copyright (C) 1984, Sun Microsystems, Inc. + * + */ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include <rpc/rpc.h> +#include <rpc/types.h> +#include <rpc/auth.h> +#include <rpc/clnt.h> + +static char *buf; + +static char *_buf(void); +static char *auth_errmsg(enum auth_stat); +#define CLNT_PERROR_BUFLEN 256 + +static char * +_buf() +{ + + if (buf == 0) + buf = (char *)malloc(CLNT_PERROR_BUFLEN); + return (buf); +} + +/* + * Print reply error info + */ +char * +clnt_sperror(rpch, s) + CLIENT *rpch; + const char *s; +{ + struct rpc_err e; + char *err; + char *str; + char *strstart; + size_t len, i; + + if (rpch == NULL || s == NULL) + return(0); + + str = _buf(); /* side effect: sets CLNT_PERROR_BUFLEN */ + if (str == 0) + return (0); + len = CLNT_PERROR_BUFLEN; + strstart = str; + CLNT_GETERR(rpch, &e); + + if (snprintf(str, len, "%s: ", s) > 0) { + i = strlen(str); + str += i; + len -= i; + } + + (void)strncpy(str, clnt_sperrno(e.re_status), len - 1); + i = strlen(str); + str += i; + len -= i; + + 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: + snprintf(str, len, "; errno = %s", strerror(e.re_errno)); + i = strlen(str); + if (i > 0) { + str += i; + len -= i; + } + break; + + case RPC_VERSMISMATCH: + snprintf(str, len, "; low version = %u, high version = %u", + e.re_vers.low, e.re_vers.high); + i = strlen(str); + if (i > 0) { + str += i; + len -= i; + } + break; + + case RPC_AUTHERROR: + err = auth_errmsg(e.re_why); + snprintf(str, len, "; why = "); + i = strlen(str); + if (i > 0) { + str += i; + len -= i; + } + if (err != NULL) { + snprintf(str, len, "%s",err); + } else { + snprintf(str, len, + "(unknown authentication error - %d)", + (int) e.re_why); + } + i = strlen(str); + if (i > 0) { + str += i; + len -= i; + } + break; + + case RPC_PROGVERSMISMATCH: + snprintf(str, len, "; low version = %u, high version = %u", + e.re_vers.low, e.re_vers.high); + i = strlen(str); + if (i > 0) { + str += i; + len -= i; + } + break; + + default: /* unknown */ + snprintf(str, len, "; s1 = %u, s2 = %u", + e.re_lb.s1, e.re_lb.s2); + i = strlen(str); + if (i > 0) { + str += i; + len -= i; + } + break; + } + strstart[CLNT_PERROR_BUFLEN-1] = '\0'; + return(strstart) ; +} + +void +clnt_perror(rpch, s) + CLIENT *rpch; + const char *s; +{ + + if (rpch == NULL || s == NULL) + return; + + (void) fprintf(stderr, "%s\n", clnt_sperror(rpch,s)); +} + +static const char *const rpc_errlist[] = { + "RPC: Success", /* 0 - RPC_SUCCESS */ + "RPC: Can't encode arguments", /* 1 - RPC_CANTENCODEARGS */ + "RPC: Can't decode result", /* 2 - RPC_CANTDECODERES */ + "RPC: Unable to send", /* 3 - RPC_CANTSEND */ + "RPC: Unable to receive", /* 4 - RPC_CANTRECV */ + "RPC: Timed out", /* 5 - RPC_TIMEDOUT */ + "RPC: Incompatible versions of RPC", /* 6 - RPC_VERSMISMATCH */ + "RPC: Authentication error", /* 7 - RPC_AUTHERROR */ + "RPC: Program unavailable", /* 8 - RPC_PROGUNAVAIL */ + "RPC: Program/version mismatch", /* 9 - RPC_PROGVERSMISMATCH */ + "RPC: Procedure unavailable", /* 10 - RPC_PROCUNAVAIL */ + "RPC: Server can't decode arguments", /* 11 - RPC_CANTDECODEARGS */ + "RPC: Remote system error", /* 12 - RPC_SYSTEMERROR */ + "RPC: Unknown host", /* 13 - RPC_UNKNOWNHOST */ + "RPC: Port mapper failure", /* 14 - RPC_PMAPFAILURE */ + "RPC: Program not registered", /* 15 - RPC_PROGNOTREGISTERED */ + "RPC: Failed (unspecified error)", /* 16 - RPC_FAILED */ + "RPC: Unknown protocol" /* 17 - RPC_UNKNOWNPROTO */ +}; + + +/* + * This interface for use by clntrpc + */ +char * +clnt_sperrno(stat) + enum clnt_stat stat; +{ + unsigned int errnum = stat; + + if (errnum < (sizeof(rpc_errlist)/sizeof(rpc_errlist[0]))) + /* LINTED interface problem */ + return (char *)rpc_errlist[errnum]; + + return ("RPC: (unknown error code)"); +} + +void +clnt_perrno(num) + enum clnt_stat num; +{ + (void) fprintf(stderr, "%s\n", clnt_sperrno(num)); +} + + +char * +clnt_spcreateerror(s) + const char *s; +{ + char *str, *err; + size_t len, i; + + if (s == NULL) + return(0); + + str = _buf(); /* side effect: sets CLNT_PERROR_BUFLEN */ + if (str == 0) + return(0); + len = CLNT_PERROR_BUFLEN; + snprintf(str, len, "%s: ", s); + i = strlen(str); + if (i > 0) + len -= i; + (void)strncat(str, clnt_sperrno(rpc_createerr.cf_stat), len - 1); + switch (rpc_createerr.cf_stat) { + case RPC_PMAPFAILURE: + (void) strncat(str, " - ", len - 1); + err = clnt_sperrno(rpc_createerr.cf_error.re_status); + if (err) + (void) strncat(str, err+5, len-5); + switch(rpc_createerr.cf_error.re_status) { + case RPC_CANTSEND: + case RPC_CANTRECV: + i = strlen(str); + len -= i; + snprintf(str+i, len, ": errno %d (%s)", + rpc_createerr.cf_error.re_errno, + strerror(rpc_createerr.cf_error.re_errno)); + break; + default: + break; + } + break; + + case RPC_SYSTEMERROR: + (void)strncat(str, " - ", len - 1); + (void)strncat(str, strerror(rpc_createerr.cf_error.re_errno), + len - 4); + 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; + } + str[CLNT_PERROR_BUFLEN-1] = '\0'; + return (str); +} + +void +clnt_pcreateerror(s) + const char *s; +{ + + if (s == NULL) + return; + + (void) fprintf(stderr, "%s\n", clnt_spcreateerror(s)); +} + +static const char *const auth_errlist[] = { + "Authentication OK", /* 0 - AUTH_OK */ + "Invalid client credential", /* 1 - AUTH_BADCRED */ + "Server rejected credential", /* 2 - AUTH_REJECTEDCRED */ + "Invalid client verifier", /* 3 - AUTH_BADVERF */ + "Server rejected verifier", /* 4 - AUTH_REJECTEDVERF */ + "Client credential too weak", /* 5 - AUTH_TOOWEAK */ + "Invalid server verifier", /* 6 - AUTH_INVALIDRESP */ + "Failed (unspecified error)" /* 7 - AUTH_FAILED */ +}; + +static char * +auth_errmsg(stat) + enum auth_stat stat; +{ + unsigned int errnum = stat; + + if (errnum < (sizeof(auth_errlist)/sizeof(auth_errlist[0]))) + /* LINTED interface problem */ + return (char *)auth_errlist[errnum]; + + return(NULL); +} |