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/*
Copyright (C) 2003 Ferdi Franceschini <ferdif@optusnet.com.au>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*! \file
* Create a per user temporary directory for dpi sockets
*/
#include <errno.h>
#include <stdlib.h>
#include "dpid_common.h"
#include "dpi.h"
#include "misc_new.h"
#include "dpi_socket_dir.h" /* for function prototypes */
/*! Save socket directory name in ~/.dillo/dpi_socket_dir
* \Return
* \li 1 on success
* \li -1 on failure
*/
int w_dpi_socket_dir(char *dirname, char *sockdir)
{
FILE *dir;
if ((dir = fopen(dirname, "w")) == NULL) {
ERRMSG("w_dpi_socket_dir", "fopen", errno);
return (-1);
}
fprintf(dir, "%s", sockdir);
fclose(dir);
return (1);
}
/*! Test that socket directory exists and is a directory
* \Return
* \li 1 on success
* \li 0 on failure
* \bug Does not check permissions or that it's a symbolic link
* to another directory.
*/
int tst_dir(char *dir)
{
char *dirtest;
int ret = 0;
/* test for a directory */
dirtest = dStrconcat(dir, "/", NULL);
if (access(dirtest, F_OK) == -1) {
ERRMSG("tst_dir", "access", errno);
MSG_ERR(" - %s\n", dirtest);
} else {
ret = 1;
}
dFree(dirtest);
return ret;
}
/*! Create socket directory
* \Return
* \li Socket directory path on success
* \li NULL on failure
*/
char *mk_sockdir(void)
{
char *template, *logname;
logname = getenv("LOGNAME") ? getenv("LOGNAME") : "dillo";
template = dStrconcat("/tmp/", logname, "-", "XXXXXX", NULL);
if (a_Misc_mkdtemp(template) == NULL) {
ERRMSG("mk_sockdir", "a_Misc_mkdtemp", 0);
MSG_ERR(" - %s\n", template);
dFree(template);
return (NULL);
}
return template;
}
/*! Create socket directory if it does not exist and save its name in
* ~/.dillo/dpi_socket_dir.
* \Return
* \li Socket directory name on success
* \li NULL on failure.
*/
char *init_sockdir(char *dpi_socket_dir)
{
char *sockdir = NULL;
int dir_ok = 0;
if ((sockdir = a_Dpi_rd_dpi_socket_dir(dpi_socket_dir)) == NULL) {
MSG_ERR("init_sockdir: The dpi_socket_dir file %s does not exist\n",
dpi_socket_dir);
} else {
if ((dir_ok = tst_dir(sockdir)) == 1) {
MSG_ERR("init_sockdir: The socket directory %s exists and is OK\n",
sockdir);
} else {
MSG_ERR("init_sockdir: The socket directory %s does not exist "
"or is not a directory\n", sockdir);
dFree(sockdir);
}
}
if (!dir_ok) {
sockdir = mk_sockdir();
if (sockdir == NULL) {
ERRMSG("init_sockdir", "mk_sockdir", 0);
MSG_ERR(" - Failed to create dpi socket directory\n");
} else if ((w_dpi_socket_dir(dpi_socket_dir, sockdir)) == -1) {
ERRMSG("init_sockdir", "w_dpi_socket_dir", 0);
MSG_ERR(" - failed to save %s\n", sockdir);
dFree(sockdir);
sockdir = NULL;
}
}
return (sockdir);
}
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