openldap/clients/ud/util.c
2002-01-04 21:17:25 +00:00

500 lines
10 KiB
C

/* $OpenLDAP$ */
/*
* Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
/*
* Copyright (c) 1992, 1993 Regents of the University of Michigan.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that this notice is preserved and that due credit is given
* to the University of Michigan at Ann Arbor. The name of the University
* may not be used to endorse or promote products derived from this
* software without specific prior written permission. This software
* is provided ``as is'' without express or implied warranty.
*/
#include "portable.h"
#include <stdio.h>
#include <ac/stdlib.h>
#include <ac/ctype.h>
#include <ac/errno.h>
#include <ac/signal.h>
#include <ac/string.h>
#include <ac/termios.h>
#include <ac/time.h>
#include <ac/unistd.h>
#include <ldap.h>
#include "ldap_defaults.h"
#include "ud.h"
void
printbase( char *lead, char *s )
{
#ifdef DEBUG
if (debug & D_TRACE)
printf("->printbase(%s, %s)\n", lead, s);
#endif
if (lead == NULL) {
printf("root\n");
return;
}
if (s == NULL) {
printf("%sroot\n", lead);
return;
}
printf("%s%s\n", lead, s);
return;
}
void
fetch_buffer( char *buffer, int length, FILE *where )
{
register int i;
char *p;
#ifdef DEBUG
if (debug & D_TRACE)
printf("->fetch_buffer(%x, %d, %x)\n", buffer, length, where);
#endif
/*
* Fetch a buffer and strip off any leading or trailing non-printing
* characters, namely newlines and carriage returns.
*/
if (fgets(buffer, length, where) == NULL) {
if (feof(where))
errno = 0; /* so fatal() doesn't bitch */
fatal("fgets");
}
for (i = strlen(buffer) - 1;
i >= 0 && !isprint((unsigned char) buffer[i]); i--)
buffer[i] = '\0';
p = buffer;
while ( *p != '\0' ) {
if ( isprint( (unsigned char) *p )) {
++p;
} else {
AC_MEMCPY( p, p + 1, strlen( p + 1 ) + 1 );
}
}
}
void
fatal( char *s )
{
if (errno != 0)
perror(s);
exit( EXIT_FAILURE );
}
int
isgroup( void )
{
char **vp;
register int i;
int group = FALSE;
#ifdef DEBUG
if (debug & D_TRACE)
printf("->isgroup()\n");
#endif
if ((i = attr_to_index("objectClass")) == -1)
return(FALSE);
vp = Entry.attrs[i].values;
for (i = 0; *vp != NULL; vp++) {
#ifdef DEBUG
i++;
if (debug & D_GROUPS)
printf("class #%1d: (%s)\n", i, *vp);
#endif
if (!strcmp(*vp, "rfc822MailGroup"))
group = TRUE;
}
return(group);
}
/*
* Print out the string 's' on a field of 'width' chracters. Each line
* should be indented 'lead' characters.
*/
void
format( char *str, int width, int lead )
{
char *s, *original, *leader = "";
register char *cp;
#ifdef DEBUG
if (debug & D_TRACE)
printf("->format(%s, %d, %d)\n", str, width, lead);
#endif
if (lead >= width) {
fprintf(stderr, " Cannot format (%s, %d, %d)\n", str, width, lead);
return;
}
if (lead > 0) {
leader = (char *) Malloc((unsigned) (lead + 1));
(void) memset(leader, ' ', lead);
*(leader + lead) = '\0';
}
/*
* Some compilers get really unhappy with this function since it
* fiddles around with the first argument, which could be a string
* constant. We do a strdup() here so we can do whatever the hell
* we want.
*/
s = original = strdup(str);
for (;;) {
if (((int) strlen(s) + lead) < width) {
printf("%s%s\n", leader, s);
Free(leader);
Free(original);
return;
/*NOTREACHED*/
}
cp = s + width - lead;
while (!isspace((unsigned char)*cp) && (cp != s))
cp--;
*cp = '\0';
while (isspace((unsigned char)*s))
s++;
printf("%s%s\n", leader, s);
s = cp + 1;
}
}
/*
* Print out the string 's' on a field of 'width' chracters. The first line
* should be indented 'first_indent' spaces, then followed by 'first_tag',
* and then followed by the first line of 's'. Subsequent lines should be
* indented 'indent' spaces, then followed by 'tag', and then followed by
* subsequent lines of 's'.
*/
void
format2(
char *s,
char *first_tag,
char *tag,
int first_indent,
int indent,
int width
)
{
char c, *fi, *i;
register char *cp;
if (first_tag == NULL)
first_tag = "";
if (tag == NULL)
tag = "";
#ifdef DEBUG
if (debug & D_TRACE)
printf("format2(\"%s\", \"%s\", \"%s\", %1d, %1d, %1d)\n", s,
first_tag, tag, first_indent, indent, width);
#endif
/* make sure the indents are sane */
if ((first_indent >= width) || (indent >= width)) {
fprintf(stderr, " Cannot format: indent too large\n");
return;
}
/* make the indentations */
if (first_indent > 0) {
fi = (char *) Malloc((unsigned) (first_indent + 1));
(void) memset(fi, ' ', first_indent);
*(fi + first_indent) = '\0';
}
else
fi = "";
if (indent > 0) {
i = (char *) Malloc((unsigned) (indent + 1));
(void) memset(i, ' ', indent);
*(i + indent) = '\0';
}
else
i = "";
/* now do the first line */
if (((int) strlen(s) + (int) strlen(first_tag) + first_indent) < width) {
printf("%s%s%s\n", fi, first_tag, s);
Free(fi);
Free(i);
return;
/*NOTREACHED*/
}
/*
* 's' points to the beginning of the string we want to print.
* We point 'cp' to the end of the maximum amount of text we
* can print (i.e., total width less the indentation and the
* length of the tag). Once we have set 'cp' initially we
* back it up to the first space character.
*/
cp = s + width - first_indent - strlen(first_tag);
while (!isspace((unsigned char)*cp) && (cp != s))
cp--;
/*
* Once there, we change that space character to a null, print the
* string, and then restore the space character.
*/
c = *cp;
*cp = '\0';
printf("%s%s%s\n", fi, first_tag, s);
*cp = c;
/*
* Since 'cp' may have been set to a space initially (and so no
* back-tracking was performed), it could have a space after it
* as well. We should gobble up all of these since we don't want
* unexpected leading blanks.
*/
for (s = cp + 1; isspace((unsigned char)*s); s++)
;
/* now do all of the other lines */
for (;;) {
if (((int) strlen(s) + (int) strlen(tag) + indent) < width) {
printf("%s%s%s\n", i, tag, s);
Free(fi);
Free(i);
return;
/*NOTREACHED*/
}
cp = s + width - indent - strlen(tag);
while (!isspace((unsigned char)*cp) && (cp != s))
cp--;
c = *cp;
*cp = '\0';
printf("%s%s%s\n", i, tag, s);
s = cp + 1;
*cp = c; /* don't mess up 's' */
}
}
#define IN_A_QUOTE 0
#define OUT_OF_QUOTE 1
char *
strip_ignore_chars( char *cp )
{
int had_a_comma = FALSE;
int flag = OUT_OF_QUOTE;
register char *rcp, *cp1;
char *tmp;
#ifdef DEBUG
if (debug & D_TRACE)
printf("strip_ignore_chars(%s)\n", cp);
#endif
for (rcp = cp; *rcp != '\0'; rcp++)
if (isignorechar(*rcp) || (*rcp == '"'))
break;
if (*rcp == '\0')
return(cp);
cp1 = tmp = (char *) Malloc((unsigned) strlen(cp));
for (rcp = cp; *rcp != '\0'; rcp++) {
/* toss quotes and flip the flag */
if (*rcp == '"')
flag = OUT_OF_QUOTE - flag;
else if (isignorechar(*rcp)) {
if (flag == OUT_OF_QUOTE)
*cp1++ = ' ';
else
*cp1++ = *rcp;
}
else if (*rcp == ',') {
*cp1++ = *rcp;
had_a_comma = TRUE;
}
else
*cp1++ = *rcp;
}
*cp1 = '\0';
/* re-quote the name if it had a comma in it */
if (had_a_comma == TRUE) {
rcp = cp1 = (char *) Malloc((unsigned) (strlen(tmp) + 3));
*rcp++ = '"';
*rcp = '\0';
strcat(rcp, tmp);
strcat(rcp, "\"");
Free(tmp);
tmp = cp1;
}
return(tmp);
}
char *
code_to_str( int i )
{
switch(i) {
case LDAP_MOD_ADD : return("ADD");
case LDAP_MOD_DELETE : return("DELETE");
case LDAP_MOD_REPLACE : return("REPLACE");
default : return("?????");
}
}
#ifdef UOFM
/* return TRUE if s has the syntax of a uniqname */
int
isauniqname( char *s )
{
int i = strlen(s);
if ((i < 3) || (i > 8)) /* uniqnames are 3-8 chars */
return(FALSE);
if (!isalpha((unsigned char)*s)) /* uniqnames begin with a letter */
return(FALSE);
for ( ; *s != '\0'; s++) /* uniqnames are alphanumeric */
if (!isalnum((unsigned char)*s))
return(FALSE);
return(TRUE);
}
#endif
/* return TRUE if this attribute should be printed as a DN */
int
isadn( char *s )
{
register int i;
for (i = 0; attrlist[i].quipu_name != NULL; i++)
if (!strcasecmp(s, attrlist[i].quipu_name))
break;
if (attrlist[i].flags & ATTR_FLAG_IS_A_DN)
return(TRUE);
return(FALSE);
}
char *
my_ldap_dn2ufn( char *s )
{
#ifdef UD_BASE
register char **cpp;
static char short_DN[BUFSIZ];
if (strstr(s, UD_BASE) == NULL)
return(ldap_dn2ufn(s));
cpp = ldap_explode_dn(s, TRUE);
sprintf(short_DN, "%s, %s", *cpp, *(cpp + 1));
ldap_value_free(cpp);
return(short_DN);
#else
return(ldap_dn2ufn(s));
#endif
}
/* return TRUE if this attribute should be printed as a URL */
int
isaurl( char *s )
{
register int i;
for (i = 0; attrlist[i].quipu_name != NULL; i++)
if (!strcasecmp(s, attrlist[i].quipu_name))
break;
if (attrlist[i].flags & ATTR_FLAG_IS_A_URL)
return(TRUE);
return(FALSE);
}
/* return TRUE if this attribute should be printed as a date and time */
int
isadate( char *s )
{
register int i;
for (i = 0; attrlist[i].quipu_name != NULL; i++)
if (!strcasecmp(s, attrlist[i].quipu_name))
break;
if (attrlist[i].flags & ATTR_FLAG_IS_A_DATE)
return(TRUE);
return(FALSE);
}
void *
Malloc( unsigned int size )
{
void *void_ptr;
void_ptr = (void *) malloc(size);
if (void_ptr == NULL) {
perror("malloc");
exit( EXIT_FAILURE );
/*NOTREACHED*/
}
return(void_ptr);
}
void
Free( void *ptr )
{
free(ptr);
}
char *
nextstr( char *s )
{
while (isspace((unsigned char) *s) && (*s != '\0'))
s++;
if (s == NULL)
return(NULL);
if (*s == '\0')
return(NULL);
return(s);
}
void
free_mod_struct( LDAPMod *modp )
{
if (modp->mod_values != NULL)
(void) ldap_value_free(modp->mod_values);
Free(modp->mod_type);
Free(modp);
}
void
StrFreeDup( char **ptr, char *new_value )
{
if (*ptr != NULL)
Free(*ptr);
if (new_value == NULL)
*ptr = NULL;
else
*ptr = strdup(new_value);
}
int
confirm_action( char *msg )
{
char tmp[SMALL_BUF_SIZE];
int i;
if ( msg != NULL ) {
putchar( '\n' );
format( msg, 75, 2 );
}
printf("\n Is this OK? ");
fflush(stdout);
tmp[0] = '\0';
fetch_buffer(tmp, sizeof(tmp), stdin);
i = strlen(tmp);
return( i > 0 &&
( !strncasecmp(tmp, "YES", i) || !strncasecmp(tmp, "OK", i)));
}