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/*
** Copyright 2003 Double Precision, Inc.
** See COPYING for distribution information.
*/
#include "maildiraclt.h"
#include "maildirmisc.h"
#include "maildircreate.h"
#include "maildirnewshared.h"
#include "numlib/numlib.h"
#include <time.h>
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <string.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
int maildir_newshared_disabled=0;
int maildir_newshared_open(const char *indexfile,
struct maildir_newshared_enum_cb *info)
{
info->indexfile=indexfile;
if ((info->fp=fopen(maildir_newshared_disabled ?
"/dev/null":indexfile, "r")) == NULL)
return -1;
info->startingpos=0;
info->linenum=0;
return 0;
}
void maildir_newshared_close(struct maildir_newshared_enum_cb *info)
{
if (info->fp)
fclose(info->fp);
info->fp=NULL;
}
int maildir_newshared_nextAt(struct maildir_newshared_enum_cb *info,
int *eof,
int (*cb_func)(struct maildir_newshared_enum_cb*),
void *cb_arg)
{
if (fseek(info->fp, info->startingpos, SEEK_SET) < 0)
return -1;
info->linenum= -1;
return maildir_newshared_next(info, eof, cb_func, cb_arg);
}
int maildir_newshared_next(struct maildir_newshared_enum_cb *info,
int *eof,
int (*cb_func)(struct maildir_newshared_enum_cb *),
void *cb_arg)
{
char linebuf[BUFSIZ];
int rc;
char *p;
const char *name;
const char *homedir;
const char *maildir;
uid_t uid;
gid_t gid;
off_t nbytes;
#define CB_INIT(name_,homedir_,maildir_,uid_,gid_) \
info->name=name_; info->homedir=homedir_; info->maildir=maildir_; \
info->uid=uid_; info->gid=gid_; info->cb_arg=cb_arg;
*eof=0;
while (fgets(linebuf, sizeof(linebuf), info->fp) != NULL)
{
nbytes=strlen(linebuf);
if (nbytes && linebuf[nbytes-1] == '\n')
linebuf[nbytes-1]=0;
p=strchr(linebuf, '#');
if (p) *p=0;
p=strchr(linebuf, '\t');
++info->linenum;
if (p)
{
name=linebuf;
*p++=0;
if (*p == '*')
{
p=strchr(p, '\t');
if (p)
{
const char *q;
size_t n;
*p++=0;
maildir=p;
p=strchr(p, '\t');
if (p) *p=0;
q=strrchr(info->indexfile, '/');
if (q)
++q;
else q=info->indexfile;
n=strlen(info->indexfile)-strlen(q);
p=malloc(n+strlen(maildir)+1);
if (!p)
return -1;
if (n)
memcpy(p, info->indexfile, n);
strcpy(p+n, maildir);
CB_INIT(name, NULL, p, 0, 0);
info->cb_arg=cb_arg;
rc= (*cb_func)(info);
free(p);
info->startingpos += nbytes;
return rc;
}
}
else
{
uid=libmail_atouid_t(p);
p=strchr(p, '\t');
if (uid && p)
{
*p++=0;
gid=libmail_atogid_t(p);
p=strchr(p, '\t');
if (gid && p)
{
*p++=0;
homedir=p;
p=strchr(p, '\t');
maildir="./Maildir";
if (p)
{
*p++=0;
if (*p && *p != '\t')
maildir=p;
p=strchr(p, '\t');
if (p) *p=0;
}
CB_INIT(name, homedir,
maildir,
uid,
gid);
info->cb_arg=cb_arg;
rc=(*cb_func)(info);
info->startingpos += nbytes;
return rc;
}
}
}
}
if (linebuf[0])
{
fprintf(stderr, "ERR: %s(%d): syntax error.\n",
info->indexfile, (int)info->linenum);
}
info->startingpos += nbytes;
}
*eof=1;
return 0;
}
int maildir_newshared_enum(const char *indexfile,
int (*cb_func)(struct maildir_newshared_enum_cb *),
void *cb_arg)
{
struct maildir_newshared_enum_cb cb;
int eof;
int rc;
if (maildir_newshared_open(indexfile, &cb) < 0)
return -1;
while ((rc=maildir_newshared_next(&cb, &eof, cb_func, cb_arg)) == 0)
{
if (eof)
{
maildir_newshared_close(&cb);
return 0;
}
}
maildir_newshared_close(&cb);
return rc;
}
