/*
- * "$Id: usersys.c 7337 2008-02-22 04:44:04Z mike $"
- *
- * User, system, and password routines for the Common UNIX Printing
- * System (CUPS).
- *
- * Copyright 2007-2008 by Apple Inc.
- * Copyright 1997-2006 by Easy Software Products.
- *
- * These coded instructions, statements, and computer programs are the
- * property of Apple Inc. and are protected by Federal copyright
- * law. Distribution and use rights are outlined in the file "LICENSE.txt"
- * which should have been included with this file. If this file is
- * file is missing or damaged, see the license at "http://www.cups.org/".
- *
- * This file is subject to the Apple OS-Developed Software exception.
- *
- * Contents:
- *
- * cupsEncryption() - Get the default encryption settings.
- * cupsGetPassword() - Get a password from the user.
- * cupsServer() - Return the hostname of the default server.
- * cupsSetEncryption() - Set the encryption preference.
- * cupsSetPasswordCB() - Set the password callback for CUPS.
- * cupsSetServer() - Set the default server name.
- * cupsSetUser() - Set the default user name.
- * cupsUser() - Return the current users name.
- * _cupsGetPassword() - Get a password from the user.
- * cups_open_client_conf() - Open the client.conf file.
+ * "$Id$"
+ *
+ * User, system, and password routines for CUPS.
+ *
+ * Copyright 2007-2014 by Apple Inc.
+ * Copyright 1997-2006 by Easy Software Products.
+ *
+ * These coded instructions, statements, and computer programs are the
+ * property of Apple Inc. and are protected by Federal copyright
+ * law. Distribution and use rights are outlined in the file "LICENSE.txt"
+ * which should have been included with this file. If this file is
+ * file is missing or damaged, see the license at "http://www.cups.org/".
+ *
+ * This file is subject to the Apple OS-Developed Software exception.
*/
/*
* Include necessary headers...
*/
-#include "http-private.h"
-#include "globals.h"
+#include "cups-private.h"
#include <stdlib.h>
#include <sys/stat.h>
#ifdef WIN32
# include <windows.h>
+#else
+# include <pwd.h>
+# include <termios.h>
+# include <sys/utsname.h>
#endif /* WIN32 */
-#include "debug.h"
+
+
+/*
+ * Local constants...
+ */
+
+#define _CUPS_PASSCHAR '*' /* Character that is echoed for password */
/*
* Local functions...
*/
-static cups_file_t *cups_open_client_conf(void);
+static void cups_read_client_conf(cups_file_t *fp,
+ _cups_globals_t *cg,
+ const char *cups_encryption,
+ const char *cups_server,
+ const char *cups_user,
+#ifdef HAVE_GSSAPI
+ const char *cups_gssservicename,
+#endif /* HAVE_GSSAPI */
+ const char *cups_anyroot,
+ const char *cups_expiredroot,
+ const char *cups_expiredcerts);
/*
- * 'cupsEncryption()' - Get the default encryption settings.
+ * 'cupsEncryption()' - Get the current encryption settings.
*
* The default encryption setting comes from the CUPS_ENCRYPTION
* environment variable, then the ~/.cups/client.conf file, and finally the
* /etc/cups/client.conf file. If not set, the default is
- * @code HTTP_ENCRYPT_IF_REQUESTED@.
+ * @code HTTP_ENCRYPTION_IF_REQUESTED@.
+ *
+ * Note: The current encryption setting is tracked separately for each thread
+ * in a program. Multi-threaded programs that override the setting via the
+ * @link cupsSetEncryption@ function need to do so in each thread for the same
+ * setting to be used.
*/
http_encryption_t /* O - Encryption settings */
cupsEncryption(void)
{
- cups_file_t *fp; /* client.conf file */
- char *encryption; /* CUPS_ENCRYPTION variable */
- char line[1024], /* Line from file */
- *value; /* Value on line */
- int linenum; /* Line number */
_cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */
- /*
- * First see if we have already set the encryption stuff...
- */
-
if (cg->encryption == (http_encryption_t)-1)
- {
- /*
- * Then see if the CUPS_ENCRYPTION environment variable is set...
- */
-
- if ((encryption = getenv("CUPS_ENCRYPTION")) == NULL)
- {
- /*
- * No, open the client.conf file...
- */
-
- fp = cups_open_client_conf();
- encryption = "IfRequested";
-
- if (fp)
- {
- /*
- * Read the config file and look for an Encryption line...
- */
-
- linenum = 0;
-
- while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum) != NULL)
- if (!strcasecmp(line, "Encryption") && value)
- {
- /*
- * Got it!
- */
-
- encryption = value;
- break;
- }
-
- cupsFileClose(fp);
- }
- }
-
- /*
- * Set the encryption preference...
- */
-
- if (!strcasecmp(encryption, "never"))
- cg->encryption = HTTP_ENCRYPT_NEVER;
- else if (!strcasecmp(encryption, "always"))
- cg->encryption = HTTP_ENCRYPT_ALWAYS;
- else if (!strcasecmp(encryption, "required"))
- cg->encryption = HTTP_ENCRYPT_REQUIRED;
- else
- cg->encryption = HTTP_ENCRYPT_IF_REQUESTED;
- }
+ _cupsSetDefaults();
return (cg->encryption);
}
*
* Uses the current password callback function. Returns @code NULL@ if the
* user does not provide a password.
+ *
+ * Note: The current password callback function is tracked separately for each
+ * thread in a program. Multi-threaded programs that override the setting via
+ * the @link cupsSetPasswordCB@ or @link cupsSetPasswordCB2@ functions need to
+ * do so in each thread for the same function to be used.
*/
const char * /* O - Password */
cupsGetPassword(const char *prompt) /* I - Prompt string */
{
- return ((*_cupsGlobals()->password_cb)(prompt));
+ _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */
+
+
+ return ((cg->password_cb)(prompt, NULL, NULL, NULL, cg->password_data));
}
/*
- * 'cupsSetEncryption()' - Set the encryption preference.
+ * 'cupsGetPassword2()' - Get a password from the user using the advanced
+ * password callback.
+ *
+ * Uses the current password callback function. Returns @code NULL@ if the
+ * user does not provide a password.
+ *
+ * Note: The current password callback function is tracked separately for each
+ * thread in a program. Multi-threaded programs that override the setting via
+ * the @link cupsSetPasswordCB@ or @link cupsSetPasswordCB2@ functions need to
+ * do so in each thread for the same function to be used.
+ *
+ * @since CUPS 1.4/OS X 10.6@
*/
-void
-cupsSetEncryption(http_encryption_t e) /* I - New encryption preference */
+const char * /* O - Password */
+cupsGetPassword2(const char *prompt, /* I - Prompt string */
+ http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */
+ const char *method, /* I - Request method ("GET", "POST", "PUT") */
+ const char *resource) /* I - Resource path */
{
_cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */
- cg->encryption = e;
+ if (!http)
+ http = _cupsConnect();
- if (cg->http)
- httpEncryption(cg->http, e);
+ return ((cg->password_cb)(prompt, http, method, resource, cg->password_data));
}
/*
- * 'cupsServer()' - Return the hostname/address of the default server.
+ * 'cupsServer()' - Return the hostname/address of the current server.
*
- * The returned value can be a fully-qualified hostname, a numeric
- * IPv4 or IPv6 address, or a domain socket pathname.
+ * The default server comes from the CUPS_SERVER environment variable, then the
+ * ~/.cups/client.conf file, and finally the /etc/cups/client.conf file. If not
+ * set, the default is the local system - either "localhost" or a domain socket
+ * path.
+ *
+ * The returned value can be a fully-qualified hostname, a numeric IPv4 or IPv6
+ * address, or a domain socket pathname.
+ *
+ * Note: The current server is tracked separately for each thread in a program.
+ * Multi-threaded programs that override the server via the
+ * @link cupsSetServer@ function need to do so in each thread for the same
+ * server to be used.
*/
const char * /* O - Server name */
cupsServer(void)
{
- cups_file_t *fp; /* client.conf file */
- char *server; /* Pointer to server name */
- char *port; /* Port number */
- char line[1024], /* Line from file */
- *value; /* Value on line */
- int linenum; /* Line number in file */
-#ifdef CUPS_DEFAULT_DOMAINSOCKET
- struct stat sockinfo; /* Domain socket information */
-#endif /* CUPS_DEFAULT_DOMAINSOCKET */
_cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */
- /*
- * First see if we have already set the server name...
- */
-
if (!cg->server[0])
- {
- /*
- * Then see if the CUPS_SERVER environment variable is set...
- */
+ _cupsSetDefaults();
- if ((server = getenv("CUPS_SERVER")) == NULL)
- {
- /*
- * No environment variable, try the client.conf file...
- */
+ return (cg->server);
+}
- fp = cups_open_client_conf();
-#ifdef CUPS_DEFAULT_DOMAINSOCKET
- /*
- * If we are compiled with domain socket support, only use the
- * domain socket if it exists and has the right permissions...
- */
+/*
+ * 'cupsSetClientCertCB()' - Set the client certificate callback.
+ *
+ * Pass @code NULL@ to restore the default callback.
+ *
+ * Note: The current certificate callback is tracked separately for each thread
+ * in a program. Multi-threaded programs that override the callback need to do
+ * so in each thread for the same callback to be used.
+ *
+ * @since CUPS 1.5/OS X 10.7@
+ */
- if (!stat(CUPS_DEFAULT_DOMAINSOCKET, &sockinfo) &&
- (sockinfo.st_mode & S_IRWXO) == S_IRWXO)
- server = CUPS_DEFAULT_DOMAINSOCKET;
- else
-#endif /* CUPS_DEFAULT_DOMAINSOCKET */
- server = "localhost";
+void
+cupsSetClientCertCB(
+ cups_client_cert_cb_t cb, /* I - Callback function */
+ void *user_data) /* I - User data pointer */
+{
+ _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */
- if (fp)
- {
- /*
- * Read the config file and look for a ServerName line...
- */
- linenum = 0;
- while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum) != NULL)
- {
- DEBUG_printf(("cupsServer: %d: %s %s\n", linenum, line,
- value ? value : "(null)"));
-
- if (!strcasecmp(line, "ServerName") && value)
- {
- /*
- * Got it!
- */
-
- DEBUG_puts("cupsServer: Got a ServerName line!");
- server = value;
- break;
- }
- }
+ cg->client_cert_cb = cb;
+ cg->client_cert_data = user_data;
+}
- cupsFileClose(fp);
- }
- }
- /*
- * Copy the server name over and set the port number, if any...
- */
+/*
+ * 'cupsSetCredentials()' - Set the default credentials to be used for SSL/TLS
+ * connections.
+ *
+ * Note: The default credentials are tracked separately for each thread in a
+ * program. Multi-threaded programs that override the setting need to do so in
+ * each thread for the same setting to be used.
+ *
+ * @since CUPS 1.5/OS X 10.7@
+ */
- DEBUG_printf(("cupsServer: Using server \"%s\"...\n", server));
+int /* O - Status of call (0 = success) */
+cupsSetCredentials(
+ cups_array_t *credentials) /* I - Array of credentials */
+{
+ _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */
- strlcpy(cg->server, server, sizeof(cg->server));
- if (cg->server[0] != '/' && (port = strrchr(cg->server, ':')) != NULL &&
- !strchr(port, ']') && isdigit(port[1] & 255))
- {
- *port++ = '\0';
+ if (cupsArrayCount(credentials) < 1)
+ return (-1);
- DEBUG_printf(("cupsServer: Using port %d...\n", atoi(port)));
- ippSetPort(atoi(port));
- }
+ _httpFreeCredentials(cg->tls_credentials);
+ cg->tls_credentials = _httpCreateCredentials(credentials);
- if (cg->server[0] == '/')
- strcpy(cg->servername, "localhost");
- else
- strlcpy(cg->servername, cg->server, sizeof(cg->servername));
- }
+ return (cg->tls_credentials ? 0 : -1);
+}
- return (cg->server);
+
+/*
+ * 'cupsSetEncryption()' - Set the encryption preference.
+ *
+ * The default encryption setting comes from the CUPS_ENCRYPTION
+ * environment variable, then the ~/.cups/client.conf file, and finally the
+ * /etc/cups/client.conf file. If not set, the default is
+ * @code HTTP_ENCRYPTION_IF_REQUESTED@.
+ *
+ * Note: The current encryption setting is tracked separately for each thread
+ * in a program. Multi-threaded programs that override the setting need to do
+ * so in each thread for the same setting to be used.
+ */
+
+void
+cupsSetEncryption(http_encryption_t e) /* I - New encryption preference */
+{
+ _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */
+
+
+ cg->encryption = e;
+
+ if (cg->http)
+ httpEncryption(cg->http, e);
}
/*
* 'cupsSetPasswordCB()' - Set the password callback for CUPS.
*
- * Pass @code NULL@ to restore the default (console) password callback.
+ * Pass @code NULL@ to restore the default (console) password callback, which
+ * reads the password from the console. Programs should call either this
+ * function or @link cupsSetPasswordCB2@, as only one callback can be registered
+ * by a program per thread.
+ *
+ * Note: The current password callback is tracked separately for each thread
+ * in a program. Multi-threaded programs that override the callback need to do
+ * so in each thread for the same callback to be used.
*/
void
_cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */
- if (cb == (const char *(*)(const char *))0)
- cg->password_cb = _cupsGetPassword;
+ 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;
+}
+
+
+/*
+ * 'cupsSetPasswordCB2()' - Set the advanced password callback for CUPS.
+ *
+ * Pass @code NULL@ to restore the default (console) password callback, which
+ * reads the password from the console. Programs should call either this
+ * function or @link cupsSetPasswordCB2@, as only one callback can be registered
+ * by a program per thread.
+ *
+ * Note: The current password callback is tracked separately for each thread
+ * in a program. Multi-threaded programs that override the callback need to do
+ * so in each thread for the same callback to be used.
+ *
+ * @since CUPS 1.4/OS X 10.6@
+ */
+
+void
+cupsSetPasswordCB2(
+ cups_password_cb2_t cb, /* I - Callback function */
+ void *user_data) /* I - User data pointer */
+{
+ _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */
+
+
+ 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;
}
/*
- * 'cupsSetServer()' - Set the default server name.
+ * 'cupsSetServer()' - Set the default server name and port.
*
* The "server" string can be a fully-qualified hostname, a numeric
- * IPv4 or IPv6 address, or a domain socket pathname. Pass @code NULL@ to
- * restore the default server name.
+ * IPv4 or IPv6 address, or a domain socket pathname. Hostnames and numeric IP
+ * addresses can be optionally followed by a colon and port number to override
+ * the default port 631, e.g. "hostname:8631". Pass @code NULL@ to restore the
+ * default server name and port.
+ *
+ * Note: The current server is tracked separately for each thread in a program.
+ * Multi-threaded programs that override the server need to do so in each
+ * thread for the same server to be used.
*/
void
cupsSetServer(const char *server) /* I - Server name */
{
- char *port; /* Pointer to port */
+ char *options, /* Options */
+ *port; /* Pointer to port */
_cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */
{
strlcpy(cg->server, server, sizeof(cg->server));
+ if (cg->server[0] != '/' && (options = strrchr(cg->server, '/')) != NULL)
+ {
+ *options++ = '\0';
+
+ if (!strcmp(options, "version=1.0"))
+ cg->server_version = 10;
+ else if (!strcmp(options, "version=1.1"))
+ cg->server_version = 11;
+ else if (!strcmp(options, "version=2.0"))
+ cg->server_version = 20;
+ else if (!strcmp(options, "version=2.1"))
+ cg->server_version = 21;
+ else if (!strcmp(options, "version=2.2"))
+ cg->server_version = 22;
+ }
+ else
+ cg->server_version = 20;
+
if (cg->server[0] != '/' && (port = strrchr(cg->server, ':')) != NULL &&
!strchr(port, ']') && isdigit(port[1] & 255))
{
*port++ = '\0';
- ippSetPort(atoi(port));
+ cg->ipp_port = atoi(port);
}
if (cg->server[0] == '/')
- strcpy(cg->servername, "localhost");
+ strlcpy(cg->servername, "localhost", sizeof(cg->servername));
else
strlcpy(cg->servername, cg->server, sizeof(cg->servername));
}
else
{
- cg->server[0] = '\0';
- cg->servername[0] = '\0';
+ cg->server[0] = '\0';
+ cg->servername[0] = '\0';
+ cg->server_version = 20;
}
if (cg->http)
}
+/*
+ * 'cupsSetServerCertCB()' - Set the server certificate callback.
+ *
+ * Pass @code NULL@ to restore the default callback.
+ *
+ * Note: The current credentials callback is tracked separately for each thread
+ * in a program. Multi-threaded programs that override the callback need to do
+ * so in each thread for the same callback to be used.
+ *
+ * @since CUPS 1.5/OS X 10.7@
+ */
+
+void
+cupsSetServerCertCB(
+ cups_server_cert_cb_t cb, /* I - Callback function */
+ void *user_data) /* I - User data pointer */
+{
+ _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */
+
+
+ cg->server_cert_cb = cb;
+ cg->server_cert_data = user_data;
+}
+
+
/*
* 'cupsSetUser()' - Set the default user name.
*
* Pass @code NULL@ to restore the default user name.
+ *
+ * Note: The current user name is tracked separately for each thread in a
+ * program. Multi-threaded programs that override the user name need to do so
+ * in each thread for the same user name to be used.
*/
void
}
-#if defined(WIN32)
/*
- * WIN32 username and password stuff.
+ * 'cupsSetUserAgent()' - Set the default HTTP User-Agent string.
+ *
+ * Setting the string to NULL forces the default value containing the CUPS
+ * version, IPP version, and operating system version and architecture.
+ *
+ * @since CUPS 1.7/OS X 10.9@
*/
+void
+cupsSetUserAgent(const char *user_agent)/* I - User-Agent string or @code NULL@ */
+{
+ _cups_globals_t *cg = _cupsGlobals();
+ /* Thread globals */
+#ifdef WIN32
+ SYSTEM_INFO sysinfo; /* System information */
+ OSVERSIONINFO version; /* OS version info */
+#else
+ struct utsname name; /* uname info */
+#endif /* WIN32 */
+
+
+ if (user_agent)
+ {
+ strlcpy(cg->user_agent, user_agent, sizeof(cg->user_agent));
+ return;
+ }
+
+#ifdef WIN32
+ version.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
+ GetVersionEx(&version);
+ GetNativeSystemInfo(&sysinfo);
+
+ snprintf(cg->user_agent, sizeof(cg->user_agent),
+ CUPS_MINIMAL " (Windows %d.%d; %s) IPP/2.0",
+ version.dwMajorVersion, version.dwMinorVersion,
+ sysinfo.wProcessorArchitecture
+ == PROCESSOR_ARCHITECTURE_AMD64 ? "amd64" :
+ sysinfo.wProcessorArchitecture
+ == PROCESSOR_ARCHITECTURE_ARM ? "arm" :
+ sysinfo.wProcessorArchitecture
+ == PROCESSOR_ARCHITECTURE_IA64 ? "ia64" :
+ sysinfo.wProcessorArchitecture
+ == PROCESSOR_ARCHITECTURE_INTEL ? "intel" :
+ "unknown");
+
+#else
+ uname(&name);
+
+ snprintf(cg->user_agent, sizeof(cg->user_agent),
+ CUPS_MINIMAL " (%s %s; %s) IPP/2.0",
+ name.sysname, name.release, name.machine);
+#endif /* WIN32 */
+}
+
+
/*
* 'cupsUser()' - Return the current user's name.
+ *
+ * Note: The current user name is tracked separately for each thread in a
+ * program. Multi-threaded programs that override the user name with the
+ * @link cupsSetUser@ function need to do so in each thread for the same user
+ * name to be used.
*/
const char * /* O - User name */
if (!cg->user[0])
+ _cupsSetDefaults();
+
+ return (cg->user);
+}
+
+
+/*
+ * 'cupsUserAgent()' - Return the default HTTP User-Agent string.
+ *
+ * @since CUPS 1.7/OS X 10.9@
+ */
+
+const char * /* O - User-Agent string */
+cupsUserAgent(void)
+{
+ _cups_globals_t *cg = _cupsGlobals(); /* Thread globals */
+
+
+ if (!cg->user_agent[0])
+ cupsSetUserAgent(NULL);
+
+ return (cg->user_agent);
+}
+
+
+/*
+ * '_cupsGetPassword()' - Get a password from the user.
+ */
+
+const char * /* O - Password or @code NULL@ if none */
+_cupsGetPassword(const char *prompt) /* I - Prompt string */
+{
+#ifdef WIN32
+ HANDLE tty; /* Console handle */
+ DWORD mode; /* Console mode */
+ char passch, /* Current key press */
+ *passptr, /* Pointer into password string */
+ *passend; /* End of password string */
+ DWORD passbytes; /* Bytes read */
+ _cups_globals_t *cg = _cupsGlobals();
+ /* Thread globals */
+
+
+ /*
+ * Disable input echo and set raw input...
+ */
+
+ if ((tty = GetStdHandle(STD_INPUT_HANDLE)) == INVALID_HANDLE_VALUE)
+ return (NULL);
+
+ if (!GetConsoleMode(tty, &mode))
+ return (NULL);
+
+ if (!SetConsoleMode(tty, 0))
+ return (NULL);
+
+ /*
+ * Display the prompt...
+ */
+
+ printf("%s ", prompt);
+ fflush(stdout);
+
+ /*
+ * Read the password string from /dev/tty until we get interrupted or get a
+ * carriage return or newline...
+ */
+
+ passptr = cg->password;
+ passend = cg->password + sizeof(cg->password) - 1;
+
+ while (ReadFile(tty, &passch, 1, &passbytes, NULL))
{
- DWORD size; /* Size of string */
+ if (passch == 0x0A || passch == 0x0D)
+ {
+ /*
+ * Enter/return...
+ */
+ break;
+ }
+ else if (passch == 0x08 || passch == 0x7F)
+ {
+ /*
+ * Backspace/delete (erase character)...
+ */
- size = sizeof(cg->user);
- if (!GetUserName(cg->user, &size))
+ if (passptr > cg->password)
+ {
+ passptr --;
+ fputs("\010 \010", stdout);
+ }
+ else
+ putchar(0x07);
+ }
+ else if (passch == 0x15)
{
/*
- * Use the default username...
+ * CTRL+U (erase line)
*/
- strcpy(cg->user, "unknown");
+ if (passptr > cg->password)
+ {
+ while (passptr > cg->password)
+ {
+ passptr --;
+ fputs("\010 \010", stdout);
+ }
+ }
+ else
+ putchar(0x07);
}
+ else if (passch == 0x03)
+ {
+ /*
+ * CTRL+C...
+ */
+
+ passptr = cg->password;
+ break;
+ }
+ else if ((passch & 255) < 0x20 || passptr >= passend)
+ putchar(0x07);
+ else
+ {
+ *passptr++ = passch;
+ putchar(_CUPS_PASSCHAR);
+ }
+
+ fflush(stdout);
}
- return (cg->user);
+ putchar('\n');
+ fflush(stdout);
+
+ /*
+ * Cleanup...
+ */
+
+ SetConsoleMode(tty, mode);
+
+ /*
+ * Return the proper value...
+ */
+
+ if (passbytes == 1 && passptr > cg->password)
+ {
+ *passptr = '\0';
+ return (cg->password);
+ }
+ else
+ {
+ memset(cg->password, 0, sizeof(cg->password));
+ return (NULL);
+ }
+
+#else
+ int tty; /* /dev/tty - never read from stdin */
+ struct termios original, /* Original input mode */
+ noecho; /* No echo input mode */
+ char passch, /* Current key press */
+ *passptr, /* Pointer into password string */
+ *passend; /* End of password string */
+ ssize_t passbytes; /* Bytes read */
+ _cups_globals_t *cg = _cupsGlobals();
+ /* Thread globals */
+
+
+ /*
+ * Disable input echo and set raw input...
+ */
+
+ if ((tty = open("/dev/tty", O_RDONLY)) < 0)
+ return (NULL);
+
+ if (tcgetattr(tty, &original))
+ {
+ close(tty);
+ return (NULL);
+ }
+
+ noecho = original;
+ noecho.c_lflag &= (tcflag_t)~(ICANON | ECHO | ECHOE | ISIG);
+
+ if (tcsetattr(tty, TCSAFLUSH, &noecho))
+ {
+ close(tty);
+ return (NULL);
+ }
+
+ /*
+ * Display the prompt...
+ */
+
+ printf("%s ", prompt);
+ fflush(stdout);
+
+ /*
+ * Read the password string from /dev/tty until we get interrupted or get a
+ * carriage return or newline...
+ */
+
+ passptr = cg->password;
+ passend = cg->password + sizeof(cg->password) - 1;
+
+ while ((passbytes = read(tty, &passch, 1)) == 1)
+ {
+ if (passch == noecho.c_cc[VEOL] || passch == noecho.c_cc[VEOL2] ||
+ passch == 0x0A || passch == 0x0D)
+ {
+ /*
+ * Enter/return...
+ */
+
+ break;
+ }
+ else if (passch == noecho.c_cc[VERASE] ||
+ passch == 0x08 || passch == 0x7F)
+ {
+ /*
+ * Backspace/delete (erase character)...
+ */
+
+ if (passptr > cg->password)
+ {
+ passptr --;
+ fputs("\010 \010", stdout);
+ }
+ else
+ putchar(0x07);
+ }
+ else if (passch == noecho.c_cc[VKILL])
+ {
+ /*
+ * CTRL+U (erase line)
+ */
+
+ if (passptr > cg->password)
+ {
+ while (passptr > cg->password)
+ {
+ passptr --;
+ fputs("\010 \010", stdout);
+ }
+ }
+ else
+ putchar(0x07);
+ }
+ else if (passch == noecho.c_cc[VINTR] || passch == noecho.c_cc[VQUIT] ||
+ passch == noecho.c_cc[VEOF])
+ {
+ /*
+ * CTRL+C, CTRL+D, or CTRL+Z...
+ */
+
+ passptr = cg->password;
+ break;
+ }
+ else if ((passch & 255) < 0x20 || passptr >= passend)
+ putchar(0x07);
+ else
+ {
+ *passptr++ = passch;
+ putchar(_CUPS_PASSCHAR);
+ }
+
+ fflush(stdout);
+ }
+
+ putchar('\n');
+ fflush(stdout);
+
+ /*
+ * Cleanup...
+ */
+
+ tcsetattr(tty, TCSAFLUSH, &original);
+ close(tty);
+
+ /*
+ * Return the proper value...
+ */
+
+ if (passbytes == 1 && passptr > cg->password)
+ {
+ *passptr = '\0';
+ return (cg->password);
+ }
+ else
+ {
+ memset(cg->password, 0, sizeof(cg->password));
+ return (NULL);
+ }
+#endif /* WIN32 */
}
+#ifdef HAVE_GSSAPI
/*
- * '_cupsGetPassword()' - Get a password from the user.
+ * '_cupsGSSServiceName()' - Get the GSS (Kerberos) service name.
*/
-const char * /* O - Password */
-_cupsGetPassword(const char *prompt) /* I - Prompt string */
+const char *
+_cupsGSSServiceName(void)
{
- return (NULL);
+ _cups_globals_t *cg = _cupsGlobals(); /* Thread globals */
+
+
+ if (!cg->gss_service_name[0])
+ _cupsSetDefaults();
+
+ return (cg->gss_service_name);
}
-#else
-/*
- * UNIX username and password stuff...
- */
+#endif /* HAVE_GSSAPI */
-# include <pwd.h>
/*
- * 'cupsUser()' - Return the current user's name.
+ * '_cupsSetDefaults()' - Set the default server, port, and encryption.
*/
-const char * /* O - User name */
-cupsUser(void)
+void
+_cupsSetDefaults(void)
{
- struct passwd *pwd; /* User/password entry */
+ cups_file_t *fp; /* File */
+ const char *home, /* Home directory of user */
+ *cups_encryption, /* CUPS_ENCRYPTION env var */
+ *cups_server, /* CUPS_SERVER env var */
+ *cups_user, /* CUPS_USER/USER env var */
+#ifdef HAVE_GSSAPI
+ *cups_gssservicename, /* CUPS_GSSSERVICENAME env var */
+#endif /* HAVE_GSSAPI */
+ *cups_anyroot, /* CUPS_ANYROOT env var */
+ *cups_expiredroot, /* CUPS_EXPIREDROOT env var */
+ *cups_expiredcerts; /* CUPS_EXPIREDCERTS env var */
+ char filename[1024]; /* Filename */
_cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */
- if (!cg->user[0])
+ DEBUG_puts("_cupsSetDefaults()");
+
+ /*
+ * First collect environment variables...
+ */
+
+ cups_encryption = getenv("CUPS_ENCRYPTION");
+ cups_server = getenv("CUPS_SERVER");
+#ifdef HAVE_GSSAPI
+ cups_gssservicename = getenv("CUPS_GSSSERVICENAME");
+#endif /* HAVE_GSSAPI */
+ cups_anyroot = getenv("CUPS_ANYROOT");
+ cups_expiredroot = getenv("CUPS_EXPIREDROOT");
+ cups_expiredcerts = getenv("CUPS_EXPIREDCERTS");
+
+ if ((cups_user = getenv("CUPS_USER")) == NULL)
{
/*
- * Rewind the password file...
+ * Try the USER environment variable...
*/
- setpwent();
+ if ((cups_user = getenv("USER")) != NULL)
+ {
+ /*
+ * Validate USER matches the current UID, otherwise don't allow it to
+ * override things... This makes sure that printing after doing su or
+ * sudo records the correct username.
+ */
- /*
- * Lookup the password entry for the current user.
- */
+ struct passwd *pw; /* Account information */
- if ((pwd = getpwuid(getuid())) == NULL)
- strcpy(cg->user, "unknown"); /* Unknown user! */
- else
+ if ((pw = getpwnam(cups_user)) == NULL || pw->pw_uid != getuid())
+ cups_user = NULL;
+ }
+ }
+
+ /*
+ * Then, if needed, read the ~/.cups/client.conf or /etc/cups/client.conf
+ * files to get the default values...
+ */
+
+ if (cg->encryption == (http_encryption_t)-1 || !cg->server[0] ||
+ !cg->user[0] || !cg->ipp_port)
+ {
+# ifdef HAVE_GETEUID
+ if ((geteuid() == getuid() || !getuid()) && getegid() == getgid() && (home = getenv("HOME")) != NULL)
+# elif !defined(WIN32)
+ if (getuid() && (home = getenv("HOME")) != NULL)
+# else
+ if ((home = getenv("HOME")) != NULL)
+# endif /* HAVE_GETEUID */
{
/*
- * Copy the username...
+ * Look for ~/.cups/client.conf...
*/
- setpwent();
+ snprintf(filename, sizeof(filename), "%s/.cups/client.conf", home);
+ fp = cupsFileOpen(filename, "r");
+ }
+ else
+ fp = NULL;
- strlcpy(cg->user, pwd->pw_name, sizeof(cg->user));
+ if (!fp)
+ {
+ /*
+ * Look for CUPS_SERVERROOT/client.conf...
+ */
+
+ snprintf(filename, sizeof(filename), "%s/client.conf",
+ cg->cups_serverroot);
+ fp = cupsFileOpen(filename, "r");
}
/*
- * Rewind the password file again...
+ * Read the configuration file and apply any environment variables; both
+ * functions handle NULL cups_file_t pointers...
*/
- setpwent();
+ cups_read_client_conf(fp, cg, cups_encryption, cups_server, cups_user,
+#ifdef HAVE_GSSAPI
+ cups_gssservicename,
+#endif /* HAVE_GSSAPI */
+ cups_anyroot, cups_expiredroot,
+ cups_expiredcerts);
+ cupsFileClose(fp);
}
-
- return (cg->user);
}
/*
- * '_cupsGetPassword()' - Get a password from the user.
+ * 'cups_read_client_conf()' - Read a client.conf file.
*/
-const char * /* O - Password */
-_cupsGetPassword(const char *prompt) /* I - Prompt string */
+static void
+cups_read_client_conf(
+ cups_file_t *fp, /* I - File to read */
+ _cups_globals_t *cg, /* I - Global data */
+ const char *cups_encryption, /* I - CUPS_ENCRYPTION env var */
+ const char *cups_server, /* I - CUPS_SERVER env var */
+ const char *cups_user, /* I - CUPS_USER env var */
+#ifdef HAVE_GSSAPI
+ const char *cups_gssservicename,
+ /* I - CUPS_GSSSERVICENAME env var */
+#endif /* HAVE_GSSAPI */
+ const char *cups_anyroot, /* I - CUPS_ANYROOT env var */
+ const char *cups_expiredroot, /* I - CUPS_EXPIREDROOT env var */
+ const char *cups_expiredcerts) /* I - CUPS_EXPIREDCERTS env var */
{
- return (getpass(prompt));
-}
-#endif /* WIN32 */
+ int linenum; /* Current line number */
+ char line[1024], /* Line from file */
+ *value, /* Pointer into line */
+ encryption[1024], /* Encryption value */
+#ifndef __APPLE__
+ server_name[1024], /* ServerName value */
+#endif /* !__APPLE__ */
+ user[256], /* User value */
+ any_root[1024], /* AllowAnyRoot value */
+ expired_root[1024], /* AllowExpiredRoot value */
+ expired_certs[1024]; /* AllowExpiredCerts value */
+#ifdef HAVE_GSSAPI
+ char gss_service_name[32]; /* GSSServiceName value */
+#endif /* HAVE_GSSAPI */
-/*
- * 'cups_open_client_conf()' - Open the client.conf file.
- */
+ /*
+ * Read from the file...
+ */
-static cups_file_t * /* O - File or NULL */
-cups_open_client_conf(void)
-{
- cups_file_t *fp; /* File */
- const char *home; /* Home directory of user */
- char filename[1024]; /* Filename */
- _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */
+ linenum = 0;
+ while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum))
+ {
+ if (!cups_encryption && cg->encryption == (http_encryption_t)-1 &&
+ !_cups_strcasecmp(line, "Encryption") && value)
+ {
+ strlcpy(encryption, value, sizeof(encryption));
+ cups_encryption = encryption;
+ }
+#ifndef __APPLE__
+ /*
+ * The Server directive is not supported on OS X due to app sandboxing
+ * restrictions, i.e. not all apps request network access.
+ */
+ else if (!cups_server && (!cg->server[0] || !cg->ipp_port) &&
+ !_cups_strcasecmp(line, "ServerName") && value)
+ {
+ strlcpy(server_name, value, sizeof(server_name));
+ cups_server = server_name;
+ }
+#endif /* !__APPLE__ */
+ else if (!cups_user && !_cups_strcasecmp(line, "User") && value)
+ {
+ strlcpy(user, value, sizeof(user));
+ cups_user = user;
+ }
+ else if (!cups_anyroot && !_cups_strcasecmp(line, "AllowAnyRoot") && value)
+ {
+ strlcpy(any_root, value, sizeof(any_root));
+ cups_anyroot = any_root;
+ }
+ else if (!cups_expiredroot && !_cups_strcasecmp(line, "AllowExpiredRoot") &&
+ value)
+ {
+ strlcpy(expired_root, value, sizeof(expired_root));
+ cups_expiredroot = expired_root;
+ }
+ else if (!cups_expiredcerts && !_cups_strcasecmp(line, "AllowExpiredCerts") &&
+ value)
+ {
+ strlcpy(expired_certs, value, sizeof(expired_certs));
+ cups_expiredcerts = expired_certs;
+ }
+#ifdef HAVE_GSSAPI
+ else if (!cups_gssservicename && !_cups_strcasecmp(line, "GSSServiceName") &&
+ value)
+ {
+ strlcpy(gss_service_name, value, sizeof(gss_service_name));
+ cups_gssservicename = gss_service_name;
+ }
+#endif /* HAVE_GSSAPI */
+ }
+ /*
+ * Set values...
+ */
- if ((home = getenv("HOME")) != NULL)
+ if (cg->encryption == (http_encryption_t)-1 && cups_encryption)
{
+ if (!_cups_strcasecmp(cups_encryption, "never"))
+ cg->encryption = HTTP_ENCRYPTION_NEVER;
+ else if (!_cups_strcasecmp(cups_encryption, "always"))
+ cg->encryption = HTTP_ENCRYPTION_ALWAYS;
+ else if (!_cups_strcasecmp(cups_encryption, "required"))
+ cg->encryption = HTTP_ENCRYPTION_REQUIRED;
+ else
+ cg->encryption = HTTP_ENCRYPTION_IF_REQUESTED;
+ }
+
+ if ((!cg->server[0] || !cg->ipp_port) && cups_server)
+ cupsSetServer(cups_server);
+
+ if (!cg->server[0])
+ {
+#ifdef CUPS_DEFAULT_DOMAINSOCKET
/*
- * Look for ~/.cups/client.conf or ~/.cupsrc...
+ * If we are compiled with domain socket support, only use the
+ * domain socket if it exists and has the right permissions...
*/
- snprintf(filename, sizeof(filename), "%s/.cups/client.conf", home);
- if ((fp = cupsFileOpen(filename, "r")) != NULL)
+ struct stat sockinfo; /* Domain socket information */
+
+ if (!stat(CUPS_DEFAULT_DOMAINSOCKET, &sockinfo) &&
+ (sockinfo.st_mode & S_IRWXO) == S_IRWXO)
+ cups_server = CUPS_DEFAULT_DOMAINSOCKET;
+ else
+#endif /* CUPS_DEFAULT_DOMAINSOCKET */
+ cups_server = "localhost";
+
+ cupsSetServer(cups_server);
+ }
+
+ if (!cg->ipp_port)
+ {
+ const char *ipp_port; /* IPP_PORT environment variable */
+
+ if ((ipp_port = getenv("IPP_PORT")) != NULL)
{
- DEBUG_printf(("cups_open_client_conf: Using \"%s\"...\n", filename));
- return (fp);
+ if ((cg->ipp_port = atoi(ipp_port)) <= 0)
+ cg->ipp_port = CUPS_DEFAULT_IPP_PORT;
}
+ else
+ cg->ipp_port = CUPS_DEFAULT_IPP_PORT;
+ }
- snprintf(filename, sizeof(filename), "%s/.cupsrc", home);
- if ((fp = cupsFileOpen(filename, "r")) != NULL)
+ if (!cg->user[0])
+ {
+ if (cups_user)
+ strlcpy(cg->user, cups_user, sizeof(cg->user));
+ else
{
- DEBUG_printf(("cups_open_client_conf: Using \"%s\"...\n", filename));
- return (fp);
+#ifdef WIN32
+ /*
+ * Get the current user name from the OS...
+ */
+
+ DWORD size; /* Size of string */
+
+ size = sizeof(cg->user);
+ if (!GetUserName(cg->user, &size))
+#else
+ /*
+ * Get the user name corresponding to the current UID...
+ */
+
+ struct passwd *pwd; /* User/password entry */
+
+ setpwent();
+ if ((pwd = getpwuid(getuid())) != NULL)
+ {
+ /*
+ * Found a match!
+ */
+
+ strlcpy(cg->user, pwd->pw_name, sizeof(cg->user));
+ }
+ else
+#endif /* WIN32 */
+ {
+ /*
+ * Use the default "unknown" user name...
+ */
+
+ strlcpy(cg->user, "unknown", sizeof(cg->user));
+ }
}
}
- snprintf(filename, sizeof(filename), "%s/client.conf", cg->cups_serverroot);
- return (cupsFileOpen(filename, "r"));
+#ifdef HAVE_GSSAPI
+ if (!cups_gssservicename)
+ cups_gssservicename = CUPS_DEFAULT_GSSSERVICENAME;
+
+ strlcpy(cg->gss_service_name, cups_gssservicename,
+ sizeof(cg->gss_service_name));
+#endif /* HAVE_GSSAPI */
+
+ if (cups_anyroot)
+ cg->any_root = !_cups_strcasecmp(cups_anyroot, "yes") ||
+ !_cups_strcasecmp(cups_anyroot, "on") ||
+ !_cups_strcasecmp(cups_anyroot, "true");
+
+ if (cups_expiredroot)
+ cg->expired_root = !_cups_strcasecmp(cups_expiredroot, "yes") ||
+ !_cups_strcasecmp(cups_expiredroot, "on") ||
+ !_cups_strcasecmp(cups_expiredroot, "true");
+
+ if (cups_expiredcerts)
+ cg->expired_certs = !_cups_strcasecmp(cups_expiredcerts, "yes") ||
+ !_cups_strcasecmp(cups_expiredcerts, "on") ||
+ !_cups_strcasecmp(cups_expiredcerts, "true");
}
/*
- * End of "$Id: usersys.c 7337 2008-02-22 04:44:04Z mike $".
+ * End of "$Id$".
*/
projects / thirdparty / cups.git / blobdiff