177 lines
3.3 KiB
C
177 lines
3.3 KiB
C
/*
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* nwpasswd.c
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*
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* Change a bindery object's password
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*
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* Copyright (C) 1996 by Volker Lendecke
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*
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*/
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#include "ncplib.h"
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#include <unistd.h>
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#include <stdlib.h>
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static char *progname;
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static void
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usage(void)
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{
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fprintf(stderr, "usage: %s [options]\n", progname);
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}
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static void
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help(void)
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{
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printf("\n");
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printf("usage: %s [options]\n", progname);
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printf("\n"
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"-h Print this help text\n"
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"-S server Server name to be used\n"
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"-U username Username sent to server\n"
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"-O objectname Object name to change, default username\n"
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"-t type Object type (decimal value)\n"
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"\n");
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}
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int
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main(int argc, char *argv[])
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{
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struct ncp_conn_spec *spec;
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struct ncp_conn *conn;
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char *server = NULL;
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char *user_name = NULL;
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char *object_name = NULL;
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int object_type = NCP_BINDERY_USER;
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unsigned char ncp_key[8];
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struct ncp_bindery_object user;
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unsigned char buf_obj_name[50];
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long err;
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char *str;
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char oldpass[200], newpass1[200], newpass2[200];
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int opt;
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progname = argv[0];
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while ((opt = getopt(argc, argv, "h?S:U:O:t:")) != EOF)
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{
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switch (opt)
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{
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case 'S':
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server = optarg;
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break;
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case 'U':
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user_name = optarg;
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break;
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case 'O':
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object_name = optarg;
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break;
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case 't':
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object_type = atoi(optarg);
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break;
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case 'h':
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case '?':
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help();
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exit(1);
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default:
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usage();
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exit(1);
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}
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}
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spec = ncp_find_conn_spec(server, user_name, "",
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1, getuid(), &err);
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if (spec == NULL)
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{
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com_err(argv[0], err, "trying to find server");
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exit(1);
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}
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if (!object_name)
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{
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object_name = spec->user;
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} else
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{
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strcpy(buf_obj_name, object_name);
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object_name = buf_obj_name;
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str_upper(object_name);
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}
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spec->login_type = object_type;
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printf("Changing password for user %s on server %s\n",
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object_name, spec->server);
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if (object_name == spec->user)
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{
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str = getpass("Enter old password: ");
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} else
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{
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char sx[80];
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sprintf(sx, "Enter password for %s: ", spec->user);
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str = getpass(sx);
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}
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if (strlen(str) >= sizeof(oldpass))
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{
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printf("Password too long\n");
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exit(1);
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}
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strcpy(oldpass, str);
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str = getpass("Enter new password: ");
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if (strlen(str) >= sizeof(newpass1))
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{
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printf("Password too long\n");
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exit(1);
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}
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strcpy(newpass1, str);
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str = getpass("Re-Enter new password: ");
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if (strlen(str) >= sizeof(newpass2))
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{
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printf("Password too long\n");
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exit(1);
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}
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strcpy(newpass2, str);
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str_upper(oldpass);
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str_upper(newpass1);
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str_upper(newpass2);
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if (strcmp(newpass1, newpass2) != 0)
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{
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printf("You mistype the new password, try again\n");
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exit(1);
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}
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strcpy(spec->password, oldpass);
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if ((conn = ncp_open(spec, &err)) == NULL)
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{
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com_err(argv[0], err, "when trying to open connection");
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exit(1);
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}
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if (object_name != spec->user)
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{
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if (!(err = ncp_get_bindery_object_id(conn, 1, spec->user,
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&user))
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&& !(err = ncp_login_user(conn, spec->user, oldpass)))
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{
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*oldpass = '\0';
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} else
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{
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com_err(argv[0], err, "not own password");
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}
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}
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if (((err = ncp_get_encryption_key(conn, ncp_key)) != 0)
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|| ((err = ncp_get_bindery_object_id(conn, 1, object_name,
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&user)) != 0)
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|| ((err = ncp_change_login_passwd(conn, &user, ncp_key,
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oldpass, newpass1)) != 0))
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{
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com_err(argv[0], err, "trying to change password");
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}
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ncp_close(conn);
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return 0;
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}
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