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/*
* kadmin/client/kadmin_msnd.c
*
* Copyright 1988 by the Massachusetts Institute of Technology.
*
* For copying and distribution information, please see the file
* <mit-copyright.h>.
*
*/
/*
* Sandia National Laboratories also makes no representations about the
* suitability of the modifications, or additions to this software for
* any purpose. It is provided "as is" without express or implied warranty.
*/
/*
* kadmin_snd_mod
* Perform Remote Kerberos Administrative Functions
*/
#include <stdio.h>
#include <ctype.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <signal.h>
#include <string.h>
#include <com_err.h>
#include <sys/param.h>
#include <pwd.h>
#include <sys/stat.h>
#include <krb5.h>
#include "adm_defs.h"
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#else
extern char *malloc(), *calloc(), *realloc();
#endif
#ifndef MAXPATHLEN
#define MAXPATHLEN 1024
#endif
krb5_error_code
kadm_snd_mod(context, auth_context, my_creds, local_socket)
krb5_context context;
krb5_auth_context *auth_context;
krb5_creds *my_creds;
int *local_socket;
{
krb5_replay_data replaydata;
krb5_error_code retval; /* return code */
krb5_data msg_data, inbuf;
char mod_type[10];
char attrib[20];
char version[10];
int value;
int valid_command;
int i;
for ( ; ; ) {
valid_command = 0;
repeat1:
#ifdef SANDIA
fprintf(stdout, "\nParameter Type to be Modified (fcnt, vno, attr, or q): ");
#else
fprintf(stdout, "\nParameter Type to be Modified (vno, attr, or q): ");
#endif
(void) fgets(mod_type, 10, stdin);
mod_type[strlen(mod_type) - 1] = '\0';
if ((inbuf.data = (char *) calloc(1, 80)) == (char *) 0) {
fprintf(stderr, "No memory for command!\n");
exit(1);
}
if (!strcmp(mod_type, "q")) {
free(inbuf.data);
goto alldone;
}
#ifdef SANDIA
if (!strcmp(mod_type, "fcnt")) {
valid_command = 1;
repeat_cnt:
fprintf(stdout, "\nFailure Count: ");
(void) fgets(version, sizeof(version), stdin);
/* Make sure version is null terminated */
version[sizeof(version) -1] = '\0';
/* Strip linefeed */
if (version[strlen(version) - 1] == '\n')
version[strlen(version) - 1] = '\0';
if (!strcmp(version, "q")) {
free(inbuf.data);
goto alldone;
}
value = -1;
sscanf(version,"%d",&value);
if (value < 0 || value > 10 ) {
fprintf(stderr, "Value must be between 0 and 10!\n");
goto repeat_cnt;
}
inbuf.data[3] = KMODFCNT;
(void) memcpy(inbuf.data + 4, version, strlen(version));
inbuf.length = strlen(version) + 4;
}
#endif
if (!strcmp(mod_type, "vno")) {
valid_command = 1;
repeat2:
fprintf(stdout, "\nVersion Number: ");
(void) fgets(version, sizeof(version), stdin);
/* Make sure version is null terminated */
version[sizeof(version) -1] = '\0';
/* Strip linefeed */
if (version[strlen(version) - 1] == '\n')
version[strlen(version) - 1] = '\0';
if (!strcmp(version, "q")) {
free(inbuf.data);
goto alldone;
}
value = -1;
sscanf(version,"%d",&value);
if (value < 0 || value > 255 ) {
fprintf(stderr, "Value must be between 0 and 255!\n");
goto repeat2;
}
inbuf.data[3] = KMODVNO;
(void) memcpy(inbuf.data + 4, version, strlen(version));
inbuf.length = strlen(version) + 4;
}
if (!strcmp(mod_type, "attr")) {
valid_command = 1;
repeat3:
fprintf(stdout, "\nAttribute: ");
fgets(attrib, 20, stdin);
attrib[strlen(attrib) - 1] = '\0';
for (i = 0; attrib[i] != '\0'; i++)
if (isupper(attrib[i]))
attrib[i] = tolower(attrib[i]);
inbuf.data[3] = KMODATTR;
inbuf.data[4] = BADATTR;
inbuf.length = 5;
if (!strcmp(attrib, "post")) inbuf.data[4] = ATTRPOST;
if (!strcmp(attrib, "nopost")) inbuf.data[4] = ATTRNOPOST;
if (!strcmp(attrib, "forward")) inbuf.data[4] = ATTRFOR;
if (!strcmp(attrib, "noforward")) inbuf.data[4] = ATTRNOFOR;
if (!strcmp(attrib, "tgt")) inbuf.data[4] = ATTRTGT;
if (!strcmp(attrib, "notgt")) inbuf.data[4] = ATTRNOTGT;
if (!strcmp(attrib, "ren")) inbuf.data[4] = ATTRREN;
if (!strcmp(attrib, "noren")) inbuf.data[4] = ATTRNOREN;
if (!strcmp(attrib, "proxy")) inbuf.data[4] = ATTRPROXY;
if (!strcmp(attrib, "noproxy")) inbuf.data[4] = ATTRNOPROXY;
if (!strcmp(attrib, "dskey")) inbuf.data[4] = ATTRDSKEY;
if (!strcmp(attrib, "nodskey")) inbuf.data[4] = ATTRNODSKEY;
if (!strcmp(attrib, "lock")) inbuf.data[4] = ATTRLOCK;
if (!strcmp(attrib, "unlock")) inbuf.data[4] = ATTRUNLOCK;
if (!strcmp(attrib, "svr")) inbuf.data[4] = ATTRSVR;
if (!strcmp(attrib, "nosvr")) inbuf.data[4] = ATTRNOSVR;
#ifdef SANDIA
if (!strcmp(attrib, "preauth")) inbuf.data[4] = ATTRPRE;
if (!strcmp(attrib, "nopreauth")) inbuf.data[4] = ATTRNOPRE;
if (!strcmp(attrib, "pwok")) inbuf.data[4] = ATTRPWOK;
if (!strcmp(attrib, "pwchange")) inbuf.data[4] = ATTRPWCHG;
if (!strcmp(attrib, "sid")) inbuf.data[4] = ATTRSID;
if (!strcmp(attrib, "nosid")) inbuf.data[4] = ATTRNOSID;
#endif
if (!strcmp(attrib, "q")){
free(inbuf.data);
goto alldone;
}
if (inbuf.data[4] == BADATTR) {
fprintf(stderr, "Valid Responses are:\n");
fprintf(stderr, "post/nopost - Allow/Disallow postdating\n");
fprintf(stderr, "forward/noforward - Allow/Disallow forwarding\n");
fprintf(stderr, "tgt/notgt - Allow/Disallow initial tickets\n");
fprintf(stderr, "ren/noren - Allow/Disallow renewable tickets\n");
fprintf(stderr,
"proxy/noproxy - Allow/Disallow proxiable tickets\n");
fprintf(stderr,
"dskey/nodskey - Allow/Disallow Duplicate Session Keys\n");
fprintf(stderr, "lock/unlock - Lock/Unlock client\n");
fprintf(stderr,
"svr/nosvr - Allow/Disallow Use of Principal as Server\n");
#ifdef SANDIA
fprintf(stderr,
"preauth/nopreauth - Require/Do Not Require preauthentication\n");
fprintf(stderr,
"pwok/pwchange - Password is OK/Needs to be changed\n");
fprintf(stderr,
"sid/nosid - Require/Do Not Require Hardware Authentication\n");
#endif
fprintf(stderr, "q - Quit from setting attributes.\n");
goto repeat3;
}
}
if (!valid_command) {
free(inbuf.data);
fprintf(stderr, "Invalid command - Try Again\n");
goto repeat1;
}
inbuf.data[0] = KADMIN;
inbuf.data[1] = MODOPER;
inbuf.data[2] = SENDDATA3;
if ((retval = krb5_mk_priv(context, auth_context, &inbuf,
&msg_data, &replaydata))) {
fprintf(stderr, "Error during Second Message Encoding: %s!\n",
error_message(retval));
free(inbuf.data);
return(1);
}
free(inbuf.data);
/* write private message to server */
if (krb5_write_message(context, local_socket, &msg_data)) {
fprintf(stderr, "Write Error During Second Message Transmission!\n");
return(1);
}
free(msg_data.data);
/* Ok Now let's get the private message */
if (retval = krb5_read_message(context, local_socket, &inbuf)){
fprintf(stderr, "Read Error During Second Reply: %s!\n",
error_message(retval));
return(1);
}
if ((retval = krb5_rd_priv(context, auth_context, &inbuf,
&msg_data, &replaydata))) {
fprintf(stderr, "Error during Second Read Decoding :%s!\n",
error_message(retval));
free(inbuf.data);
return(1);
}
free(inbuf.data);
} /* for */
alldone:
if ((inbuf.data = (char *) calloc(1, 80)) == (char *) 0) {
fprintf(stderr, "No memory for command!\n");
exit(1);
}
inbuf.data[0] = KADMIN;
inbuf.data[1] = KADMGOOD;
inbuf.data[2] = SENDDATA3;
inbuf.length = 3;
if ((retval = krb5_mk_priv(context, auth_context, &inbuf,
&msg_data, &replaydata))) {
fprintf(stderr, "Error during Second Message Encoding: %s!\n",
error_message(retval));
free(inbuf.data);
return(1);
}
free(inbuf.data);
/* write private message to server */
if (krb5_write_message(context, local_socket, &msg_data)) {
fprintf(stderr, "Write Error During Second Message Transmission!\n");
return(1);
}
free(msg_data.data);
return(0);
}
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