/* * "$Id: usersys.c 9006 2010-02-28 22:45:02Z mike $" * * User, system, and password routines for CUPS. * * Copyright 2007-2012 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 current encryption settings. * cupsGetPassword() - Get a password from the user. * cupsGetPassword2() - Get a password from the user using the advanced * password callback. * cupsServer() - Return the hostname/address of the current * server. * cupsSetClientCertCB() - Set the client certificate callback. * cupsSetEncryption() - Set the encryption preference. * cupsSetPasswordCB() - Set the password callback for CUPS. * cupsSetPasswordCB2() - Set the advanced password callback for CUPS. * cupsSetServer() - Set the default server name and port. * cupsSetServerCertCB() - Set the server certificate callback. * cupsSetUser() - Set the default user name. * cupsUser() - Return the current user's name. * _cupsGetPassword() - Get a password from the user. * _cupsGSSServiceName() - Get the GSS (Kerberos) service name. * _cupsSetDefaults() - Set the default server, port, and encryption. * cups_read_client_conf() - Read a client.conf file. */ /* * Include necessary headers... */ #include "cups-private.h" #include <stdlib.h> #include <sys/stat.h> #ifdef WIN32 # include <windows.h> #else # include <pwd.h> # include <termios.h> #endif /* WIN32 */ /* * Local constants... */ #define _CUPS_PASSCHAR '*' /* Character that is echoed for password */ /* * Local functions... */ 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 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@. * * 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_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ if (cg->encryption == (http_encryption_t)-1) _cupsSetDefaults(); return (cg->encryption); } /* * 'cupsGetPassword()' - Get a password from the user. * * 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 */ { _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ return ((cg->password_cb)(prompt, NULL, NULL, NULL, cg->password_data)); } /* * '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@ */ 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 */ if (!http) http = _cupsConnect(); return ((cg->password_cb)(prompt, http, method, resource, cg->password_data)); } /* * 'cupsServer()' - Return the hostname/address of the current server. * * 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_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ if (!cg->server[0]) _cupsSetDefaults(); return (cg->server); } /* * '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@ */ 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 */ cg->client_cert_cb = cb; cg->client_cert_data = user_data; } /* * '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@ */ 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 */ if (cupsArrayCount(credentials) < 1) return (-1); _httpFreeCredentials(cg->tls_credentials); cg->tls_credentials = _httpCreateCredentials(credentials); return (cg->tls_credentials ? 0 : -1); } /* * '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_ENCRYPT_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, 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 cupsSetPasswordCB(cups_password_cb_t cb)/* I - Callback function */ { _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ 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 and port. * * The "server" string can be a fully-qualified hostname, a numeric * 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 *options, /* Options */ *port; /* Pointer to port */ _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ if (server) { 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; } 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'; cg->server_version = 20; } if (cg->http) { httpClose(cg->http); cg->http = NULL; } } /* * '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 cupsSetUser(const char *user) /* I - User name */ { _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ if (user) strlcpy(cg->user, user, sizeof(cg->user)); else cg->user[0] = '\0'; } /* * '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 */ cupsUser(void) { _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ if (!cg->user[0]) _cupsSetDefaults(); return (cg->user); } /* * '_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)) { if (passch == 0x0A || passch == 0x0D) { /* * Enter/return... */ break; } else if (passch == 0x08 || passch == 0x7F) { /* * Backspace/delete (erase character)... */ if (passptr > cg->password) { passptr --; fputs("\010 \010", stdout); } else putchar(0x07); } else if (passch == 0x15) { /* * CTRL+U (erase line) */ 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); } 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 &= ~(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 /* * '_cupsGSSServiceName()' - Get the GSS (Kerberos) service name. */ const char * _cupsGSSServiceName(void) { _cups_globals_t *cg = _cupsGlobals(); /* Thread globals */ if (!cg->gss_service_name[0]) _cupsSetDefaults(); return (cg->gss_service_name); } #endif /* HAVE_GSSAPI */ /* * '_cupsSetDefaults()' - Set the default server, port, and encryption. */ void _cupsSetDefaults(void) { 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 */ 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) cups_user = getenv("USER"); /* * 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) { if ((home = getenv("HOME")) != NULL) { /* * Look for ~/.cups/client.conf... */ snprintf(filename, sizeof(filename), "%s/.cups/client.conf", home); fp = cupsFileOpen(filename, "r"); } else fp = NULL; if (!fp) { /* * Look for CUPS_SERVERROOT/client.conf... */ snprintf(filename, sizeof(filename), "%s/client.conf", cg->cups_serverroot); fp = cupsFileOpen(filename, "r"); } /* * Read the configuration file and apply any environment variables; both * functions handle NULL cups_file_t pointers... */ 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); } } /* * 'cups_read_client_conf()' - Read a client.conf file. */ 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 */ { 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 */ /* * Read from the file... */ 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 (cg->encryption == (http_encryption_t)-1 && cups_encryption) { if (!_cups_strcasecmp(cups_encryption, "never")) cg->encryption = HTTP_ENCRYPT_NEVER; else if (!_cups_strcasecmp(cups_encryption, "always")) cg->encryption = HTTP_ENCRYPT_ALWAYS; else if (!_cups_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]) { /* * Copy server name... */ 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); } if (!cg->server[0]) { #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... */ 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) { if ((cg->ipp_port = atoi(ipp_port)) <= 0) cg->ipp_port = CUPS_DEFAULT_IPP_PORT; } else cg->ipp_port = CUPS_DEFAULT_IPP_PORT; } if (!cg->user[0]) { if (cups_user) strlcpy(cg->user, cups_user, sizeof(cg->user)); else { #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... */ strcpy(cg->user, "unknown"); } } } #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 9006 2010-02-28 22:45:02Z mike $". */