krb5/ss/invocation.c

/*
 * Copyright 1987, 1988 by MIT Student Information Processing Board
 *
 * For copyright information, see copyright.h.
 */

/*
 * Copyright (c) 2005, 2011, Oracle and/or its affiliates. All rights reserved.
 */


#include "ss_internal.h"
#include "copyright.h"
#define size    sizeof(ss_data *)


int ss_create_invocation(subsystem_name, version_string, info_ptr,
             request_table_ptr, code_ptr)
    char *subsystem_name, *version_string;
    char *info_ptr;
    ss_request_table *request_table_ptr;
    int *code_ptr;
{
    register int sci_idx;
    register ss_data *new_table;
    register ss_data **table;

    *code_ptr = 0;
    table = _ss_table;
    new_table = (ss_data *) malloc(sizeof(ss_data));

    if (table == (ss_data **) NULL) {
        table = (ss_data **) malloc(2 * size);
        table[0] = table[1] = (ss_data *)NULL;
    }

    for (sci_idx = 1; table[sci_idx] != (ss_data *)NULL; sci_idx++)
        ;
    table = (ss_data **) realloc((char *)table,
                     ((unsigned)sci_idx+2)*size);
    table[sci_idx+1] = (ss_data *) NULL;
    table[sci_idx] = new_table;

    new_table->subsystem_name = subsystem_name;
    new_table->subsystem_version = version_string;
    new_table->argv = (char **)NULL;
    new_table->current_request = (char *)NULL;
    new_table->info_dirs = (char **)malloc(sizeof(char *));
    *new_table->info_dirs = (char *)NULL;
    new_table->info_ptr = info_ptr;
    /* Solaris Kerberos */
    new_table->prompt = malloc((unsigned)strlen(subsystem_name)+3);
    strcpy(new_table->prompt, subsystem_name);
    strcat(new_table->prompt, ": ");
#ifdef silly
    new_table->abbrev_info = ss_abbrev_initialize("/etc/passwd", code_ptr);
#else
    new_table->abbrev_info = NULL;
#endif
    /*
     * Solaris Kerberos
     * Disabling the ability to drop out of kadmin to a shell,
     * avoiding potential issues with users acquiring elevated privs.
     */
    new_table->flags.escape_disabled = 1;
    new_table->flags.abbrevs_disabled = 0;
    new_table->rqt_tables =
        (ss_request_table **) calloc(2, sizeof(ss_request_table *));
    *(new_table->rqt_tables) = request_table_ptr;
    *(new_table->rqt_tables+1) = (ss_request_table *) NULL;
    _ss_table = table;
    return(sci_idx);
}

void
ss_delete_invocation(sci_idx)
    int sci_idx;
{
    register ss_data *t;
    int ignored_code;

    t = ss_info(sci_idx);
    free(t->prompt);
    free(t->rqt_tables);
    while(t->info_dirs[0] != (char *)NULL)
        ss_delete_info_dir(sci_idx, t->info_dirs[0], &ignored_code);
    free((char *)t->info_dirs);
    free((char *)t);
}