#include "http-private.h"
#include "globals.h"
#include <stdlib.h>
#include <sys/stat.h>
#ifdef WIN32
# include <windows.h>
#endif
#include "debug.h"
static void cups_read_client_conf(cups_file_t *fp,
_cups_globals_t *cg,
const char *cups_encryption,
const char *cups_server);
http_encryption_t
cupsEncryption(void)
{
_cups_globals_t *cg = _cupsGlobals();
if (cg->encryption == (http_encryption_t)-1)
_cupsSetDefaults();
return (cg->encryption);
}
const char *
cupsGetPassword(const char *prompt)
{
_cups_globals_t *cg = _cupsGlobals();
return ((cg->password_cb)(prompt, NULL, NULL, NULL, cg->password_data));
}
const char *
cupsGetPassword2(const char *prompt,
http_t *http,
const char *method,
const char *resource)
{
_cups_globals_t *cg = _cupsGlobals();
if (!http)
http = _cupsConnect();
return ((cg->password_cb)(prompt, http, method, resource, cg->password_data));
}
const char *
cupsServer(void)
{
_cups_globals_t *cg = _cupsGlobals();
if (!cg->server[0])
_cupsSetDefaults();
return (cg->server);
}
void
cupsSetEncryption(http_encryption_t e)
{
_cups_globals_t *cg = _cupsGlobals();
cg->encryption = e;
if (cg->http)
httpEncryption(cg->http, e);
}
void
cupsSetPasswordCB(cups_password_cb_t cb)
{
_cups_globals_t *cg = _cupsGlobals();
if (cb == (cups_password_cb_t)0)
cg->password_cb = (cups_password_cb2_t)_cupsGetPassword;
else
cg->password_cb = (cups_password_cb2_t)cb;
cg->password_data = NULL;
}
void
cupsSetPasswordCB2(
cups_password_cb2_t cb,
void *user_data)
{
_cups_globals_t *cg = _cupsGlobals();
if (cb == (cups_password_cb2_t)0)
cg->password_cb = (cups_password_cb2_t)_cupsGetPassword;
else
cg->password_cb = cb;
cg->password_data = user_data;
}
void
cupsSetServer(const char *server)
{
char *port;
_cups_globals_t *cg = _cupsGlobals();
if (server)
{
strlcpy(cg->server, server, sizeof(cg->server));
if (cg->server[0] != '/' && (port = strrchr(cg->server, ':')) != NULL &&
!strchr(port, ']') && isdigit(port[1] & 255))
{
*port++ = '\0';
cg->ipp_port = atoi(port);
}
if (cg->server[0] == '/')
strcpy(cg->servername, "localhost");
else
strlcpy(cg->servername, cg->server, sizeof(cg->servername));
}
else
{
cg->server[0] = '\0';
cg->servername[0] = '\0';
}
if (cg->http)
{
httpClose(cg->http);
cg->http = NULL;
}
}
void
cupsSetUser(const char *user)
{
_cups_globals_t *cg = _cupsGlobals();
if (user)
strlcpy(cg->user, user, sizeof(cg->user));
else
cg->user[0] = '\0';
}
#if defined(WIN32)
const char *
cupsUser(void)
{
_cups_globals_t *cg = _cupsGlobals();
if (!cg->user[0])
{
DWORD size;
size = sizeof(cg->user);
if (!GetUserName(cg->user, &size))
{
strcpy(cg->user, "unknown");
}
}
return (cg->user);
}
const char *
_cupsGetPassword(const char *prompt)
{
return (NULL);
}
#else
# include <pwd.h>
const char *
cupsUser(void)
{
struct passwd *pwd;
_cups_globals_t *cg = _cupsGlobals();
if (!cg->user[0])
{
setpwent();
if ((pwd = getpwuid(getuid())) == NULL)
strcpy(cg->user, "unknown");
else
{
setpwent();
strlcpy(cg->user, pwd->pw_name, sizeof(cg->user));
}
setpwent();
}
return (cg->user);
}
const char *
_cupsGetPassword(const char *prompt)
{
return (getpass(prompt));
}
#endif
void
_cupsSetDefaults(void)
{
cups_file_t *fp;
const char *home,
*cups_encryption,
*cups_server;
char filename[1024];
_cups_globals_t *cg = _cupsGlobals();
DEBUG_puts("_cupsSetDefaults()");
cups_encryption = getenv("CUPS_ENCRYPTION");
cups_server = getenv("CUPS_SERVER");
if ((cg->encryption == (http_encryption_t)-1 || !cg->server[0] ||
!cg->ipp_port) && (home = getenv("HOME")) != NULL)
{
snprintf(filename, sizeof(filename), "%s/.cups/client.conf", home);
if ((fp = cupsFileOpen(filename, "r")) == NULL)
{
snprintf(filename, sizeof(filename), "%s/.cupsrc", home);
fp = cupsFileOpen(filename, "r");
}
if (fp)
{
cups_read_client_conf(fp, cg, cups_encryption, cups_server);
cupsFileClose(fp);
}
}
if (cg->encryption == (http_encryption_t)-1 || !cg->server[0] ||
!cg->ipp_port)
{
snprintf(filename, sizeof(filename), "%s/client.conf", cg->cups_serverroot);
if ((fp = cupsFileOpen(filename, "r")) != NULL)
{
cups_read_client_conf(fp, cg, cups_encryption, cups_server);
cupsFileClose(fp);
}
}
if (cg->encryption == (http_encryption_t)-1)
cg->encryption = HTTP_ENCRYPT_IF_REQUESTED;
if (!cg->server[0])
{
if (!cups_server)
{
#ifdef CUPS_DEFAULT_DOMAINSOCKET
struct stat sockinfo;
if (!stat(CUPS_DEFAULT_DOMAINSOCKET, &sockinfo) &&
(sockinfo.st_mode & S_IRWXO) == S_IRWXO)
cups_server = CUPS_DEFAULT_DOMAINSOCKET;
else
#endif
cups_server = "localhost";
}
cupsSetServer(cups_server);
}
if (!cg->ipp_port)
{
const char *ipp_port;
struct servent *service;
if ((ipp_port = getenv("IPP_PORT")) != NULL)
{
if ((cg->ipp_port = atoi(ipp_port)) <= 0)
cg->ipp_port = CUPS_DEFAULT_IPP_PORT;
}
else if ((service = getservbyname("ipp", NULL)) == NULL ||
service->s_port <= 0)
cg->ipp_port = CUPS_DEFAULT_IPP_PORT;
else
cg->ipp_port = ntohs(service->s_port);
}
}
static void
cups_read_client_conf(
cups_file_t *fp,
_cups_globals_t *cg,
const char *cups_encryption,
const char *cups_server)
{
int linenum;
char line[1024],
*value,
encryption[1024],
server_name[1024];
linenum = 0;
while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum))
{
if (!cups_encryption && cg->encryption == (http_encryption_t)-1 &&
!strcasecmp(line, "Encryption") && value)
{
strlcpy(encryption, value, sizeof(encryption));
cups_encryption = encryption;
}
else if (!cups_server && (!cg->server[0] || !cg->ipp_port) &&
!strcasecmp(line, "ServerName") && value)
{
strlcpy(server_name, value, sizeof(server_name));
cups_server = server_name;
}
}
if (cg->encryption == (http_encryption_t)-1 && cups_encryption)
{
if (!strcasecmp(cups_encryption, "never"))
cg->encryption = HTTP_ENCRYPT_NEVER;
else if (!strcasecmp(cups_encryption, "always"))
cg->encryption = HTTP_ENCRYPT_ALWAYS;
else if (!strcasecmp(cups_encryption, "required"))
cg->encryption = HTTP_ENCRYPT_REQUIRED;
else
cg->encryption = HTTP_ENCRYPT_IF_REQUESTED;
}
if ((!cg->server[0] || !cg->ipp_port) && cups_server)
{
if (!cg->server[0])
{
strlcpy(cg->server, cups_server, sizeof(cg->server));
if (cg->server[0] != '/' && (value = strrchr(cg->server, ':')) != NULL &&
!strchr(value, ']') && isdigit(value[1] & 255))
*value++ = '\0';
else
value = NULL;
if (cg->server[0] == '/')
strcpy(cg->servername, "localhost");
else
strlcpy(cg->servername, cg->server, sizeof(cg->servername));
}
else if (cups_server[0] != '/' &&
(value = strrchr(cups_server, ':')) != NULL &&
!strchr(value, ']') && isdigit(value[1] & 255))
value ++;
else
value = NULL;
if (!cg->ipp_port && value)
cg->ipp_port = atoi(value);
}
}