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/*
* kadmin/client/kadmin_mod.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_mod
* Perform Remote Kerberos Administrative Functions
*/
#include <stdio.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 <krb5.h>
#include "adm_defs.h"
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#else
extern char *malloc(), *calloc(), *realloc();
#endif
void decode_kadmind_reply();
int print_status_message();
krb5_error_code
kadm_mod_user(context, auth_context, my_creds, local_socket, principal)
krb5_context context;
krb5_auth_context *auth_context;
krb5_creds *my_creds;
int *local_socket;
char *principal;
{
krb5_data msg_data, inbuf;
kadmin_requests rd_priv_resp;
char username[755];
int count;
krb5_replay_data replaydata;
krb5_error_code retval; /* return code */
if ((inbuf.data = (char *) calloc(1, 3 + sizeof(username))) == (char *) 0) { fprintf(stderr, "No memory for command!\n");
exit(1);
}
inbuf.data[0] = KADMIN;
inbuf.data[1] = MODOPER;
inbuf.data[2] = SENDDATA2;
if (principal && principal[0] != '\0')
strcpy(username, principal);
else {
count = 0;
do {
fprintf(stdout, "\nName of Principal to be Modified: ");
fgets(username, sizeof(username), stdin);
if (username[0] == '\n')
fprintf(stderr, "Invalid Principal name!\n");
count++;
}
while (username[0] == '\n' && count < 3);
if (username[0] == '\n') {
fprintf(stderr, "Aborting!!\n\n");
return(1);
}
username[strlen(username) -1] = '\0';
}
(void) memcpy( inbuf.data + 3, username, strlen(username));
inbuf.length = strlen(username) + 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);
/* 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);
if (msg_data.data[2] == KADMBAD) {
decode_kadmind_reply(msg_data, &rd_priv_resp);
if (rd_priv_resp.message) {
fprintf(stderr, "%s\n\n", rd_priv_resp.message);
free(rd_priv_resp.message);
} else
fprintf(stderr, "Generic error from server.\n\n");
free(msg_data.data);
return(0);
}
free(msg_data.data);
kadm_snd_mod(context, auth_context, my_creds, local_socket);
if ((inbuf.data = (char *) calloc(1, 2)) == (char *) 0) {
fprintf(stderr, "No memory for command!\n");
return(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");
free(msg_data.data);
return(1);
}
free(msg_data.data);
/* Ok Now let's get the final private message */
if (retval = krb5_read_message(context, local_socket, &inbuf)){
fprintf(stderr, "Read Error During Final Reply: %s!\n",
error_message(retval));
retval = 1;
}
if ((retval = krb5_rd_priv(context, auth_context, &inbuf,
&msg_data, &replaydata))) {
fprintf(stderr, "Error during Final Read Decoding :%s!\n",
error_message(retval));
free(inbuf.data);
return(1);
}
decode_kadmind_reply(msg_data, &rd_priv_resp);
free(inbuf.data);
free(msg_data.data);
print_status_message(&rd_priv_resp,
"Database Modification Successful.");
return(0);
}
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