#include "cupsd.h"
#include <stdarg.h>
#include <grp.h>
#include <sys/utsname.h>
#include <syslog.h>
#ifdef HAVE_LIBPAPER
# include <paper.h>
#endif
#ifndef INADDR_NONE
# define INADDR_NONE 0xffffffff
#endif
typedef enum
{
CUPSD_VARTYPE_INTEGER,
CUPSD_VARTYPE_STRING,
CUPSD_VARTYPE_BOOLEAN,
CUPSD_VARTYPE_PATHNAME
} cupsd_vartype_t;
typedef struct
{
char *name;
void *ptr;
cupsd_vartype_t type;
} cupsd_var_t;
static const cupsd_var_t variables[] =
{
{ "AccessLog", &AccessLog, CUPSD_VARTYPE_STRING },
#ifdef __APPLE__
{ "AppleQuotas", &AppleQuotas, CUPSD_VARTYPE_BOOLEAN },
#endif
{ "AutoPurgeJobs", &JobAutoPurge, CUPSD_VARTYPE_BOOLEAN },
{ "BrowseInterval", &BrowseInterval, CUPSD_VARTYPE_INTEGER },
#ifdef HAVE_LDAP
{ "BrowseLDAPBindDN", &BrowseLDAPBindDN, CUPSD_VARTYPE_STRING },
# ifdef HAVE_LDAP_SSL
{ "BrowseLDAPCACertFile", &BrowseLDAPCACertFile, CUPSD_VARTYPE_PATHNAME },
# endif
{ "BrowseLDAPDN", &BrowseLDAPDN, CUPSD_VARTYPE_STRING },
{ "BrowseLDAPPassword", &BrowseLDAPPassword, CUPSD_VARTYPE_STRING },
{ "BrowseLDAPServer", &BrowseLDAPServer, CUPSD_VARTYPE_STRING },
#endif
{ "BrowseLocalOptions", &BrowseLocalOptions, CUPSD_VARTYPE_STRING },
{ "BrowsePort", &BrowsePort, CUPSD_VARTYPE_INTEGER },
{ "BrowseRemoteOptions", &BrowseRemoteOptions, CUPSD_VARTYPE_STRING },
{ "BrowseShortNames", &BrowseShortNames, CUPSD_VARTYPE_BOOLEAN },
{ "BrowseTimeout", &BrowseTimeout, CUPSD_VARTYPE_INTEGER },
{ "BrowseWebIF", &BrowseWebIF, CUPSD_VARTYPE_BOOLEAN },
{ "Browsing", &Browsing, CUPSD_VARTYPE_BOOLEAN },
{ "CacheDir", &CacheDir, CUPSD_VARTYPE_STRING },
{ "Classification", &Classification, CUPSD_VARTYPE_STRING },
{ "ClassifyOverride", &ClassifyOverride, CUPSD_VARTYPE_BOOLEAN },
{ "ConfigFilePerm", &ConfigFilePerm, CUPSD_VARTYPE_INTEGER },
{ "DataDir", &DataDir, CUPSD_VARTYPE_STRING },
{ "DefaultLanguage", &DefaultLanguage, CUPSD_VARTYPE_STRING },
{ "DefaultLeaseDuration", &DefaultLeaseDuration, CUPSD_VARTYPE_INTEGER },
{ "DefaultPaperSize", &DefaultPaperSize, CUPSD_VARTYPE_STRING },
{ "DefaultPolicy", &DefaultPolicy, CUPSD_VARTYPE_STRING },
{ "DefaultShared", &DefaultShared, CUPSD_VARTYPE_BOOLEAN },
{ "DirtyCleanInterval", &DirtyCleanInterval, CUPSD_VARTYPE_INTEGER },
{ "DocumentRoot", &DocumentRoot, CUPSD_VARTYPE_STRING },
{ "ErrorLog", &ErrorLog, CUPSD_VARTYPE_STRING },
{ "ErrorPolicy", &ErrorPolicy, CUPSD_VARTYPE_STRING },
{ "FileDevice", &FileDevice, CUPSD_VARTYPE_BOOLEAN },
{ "FilterLimit", &FilterLimit, CUPSD_VARTYPE_INTEGER },
{ "FilterNice", &FilterNice, CUPSD_VARTYPE_INTEGER },
{ "FontPath", &FontPath, CUPSD_VARTYPE_STRING },
{ "HideImplicitMembers", &HideImplicitMembers, CUPSD_VARTYPE_BOOLEAN },
{ "ImplicitClasses", &ImplicitClasses, CUPSD_VARTYPE_BOOLEAN },
{ "ImplicitAnyClasses", &ImplicitAnyClasses, CUPSD_VARTYPE_BOOLEAN },
{ "JobKillDelay", &JobKillDelay, CUPSD_VARTYPE_INTEGER },
{ "JobRetryLimit", &JobRetryLimit, CUPSD_VARTYPE_INTEGER },
{ "JobRetryInterval", &JobRetryInterval, CUPSD_VARTYPE_INTEGER },
{ "KeepAliveTimeout", &KeepAliveTimeout, CUPSD_VARTYPE_INTEGER },
{ "KeepAlive", &KeepAlive, CUPSD_VARTYPE_BOOLEAN },
#ifdef HAVE_LAUNCHD
{ "LaunchdTimeout", &LaunchdTimeout, CUPSD_VARTYPE_INTEGER },
#endif
{ "LimitRequestBody", &MaxRequestSize, CUPSD_VARTYPE_INTEGER },
{ "ListenBackLog", &ListenBackLog, CUPSD_VARTYPE_INTEGER },
{ "LogDebugHistory", &LogDebugHistory, CUPSD_VARTYPE_INTEGER },
{ "LogFilePerm", &LogFilePerm, CUPSD_VARTYPE_INTEGER },
{ "LPDConfigFile", &LPDConfigFile, CUPSD_VARTYPE_STRING },
{ "MaxActiveJobs", &MaxActiveJobs, CUPSD_VARTYPE_INTEGER },
{ "MaxClients", &MaxClients, CUPSD_VARTYPE_INTEGER },
{ "MaxClientsPerHost", &MaxClientsPerHost, CUPSD_VARTYPE_INTEGER },
{ "MaxCopies", &MaxCopies, CUPSD_VARTYPE_INTEGER },
{ "MaxEvents", &MaxEvents, CUPSD_VARTYPE_INTEGER },
{ "MaxJobs", &MaxJobs, CUPSD_VARTYPE_INTEGER },
{ "MaxJobsPerPrinter", &MaxJobsPerPrinter, CUPSD_VARTYPE_INTEGER },
{ "MaxJobsPerUser", &MaxJobsPerUser, CUPSD_VARTYPE_INTEGER },
{ "MaxLeaseDuration", &MaxLeaseDuration, CUPSD_VARTYPE_INTEGER },
{ "MaxLogSize", &MaxLogSize, CUPSD_VARTYPE_INTEGER },
{ "MaxPrinterHistory", &MaxPrinterHistory, CUPSD_VARTYPE_INTEGER },
{ "MaxRequestSize", &MaxRequestSize, CUPSD_VARTYPE_INTEGER },
{ "MaxSubscriptions", &MaxSubscriptions, CUPSD_VARTYPE_INTEGER },
{ "MaxSubscriptionsPerJob", &MaxSubscriptionsPerJob, CUPSD_VARTYPE_INTEGER },
{ "MaxSubscriptionsPerPrinter",&MaxSubscriptionsPerPrinter, CUPSD_VARTYPE_INTEGER },
{ "MaxSubscriptionsPerUser", &MaxSubscriptionsPerUser, CUPSD_VARTYPE_INTEGER },
{ "MultipleOperationTimeout", &MultipleOperationTimeout, CUPSD_VARTYPE_INTEGER },
{ "PageLog", &PageLog, CUPSD_VARTYPE_STRING },
{ "PageLogFormat", &PageLogFormat, CUPSD_VARTYPE_STRING },
{ "PreserveJobFiles", &JobFiles, CUPSD_VARTYPE_BOOLEAN },
{ "PreserveJobHistory", &JobHistory, CUPSD_VARTYPE_BOOLEAN },
{ "Printcap", &Printcap, CUPSD_VARTYPE_STRING },
{ "PrintcapGUI", &PrintcapGUI, CUPSD_VARTYPE_STRING },
{ "ReloadTimeout", &ReloadTimeout, CUPSD_VARTYPE_INTEGER },
{ "RemoteRoot", &RemoteRoot, CUPSD_VARTYPE_STRING },
{ "RequestRoot", &RequestRoot, CUPSD_VARTYPE_STRING },
{ "RIPCache", &RIPCache, CUPSD_VARTYPE_STRING },
{ "RootCertDuration", &RootCertDuration, CUPSD_VARTYPE_INTEGER },
{ "ServerAdmin", &ServerAdmin, CUPSD_VARTYPE_STRING },
{ "ServerBin", &ServerBin, CUPSD_VARTYPE_PATHNAME },
#ifdef HAVE_SSL
{ "ServerCertificate", &ServerCertificate, CUPSD_VARTYPE_PATHNAME },
# if defined(HAVE_LIBSSL) || defined(HAVE_GNUTLS)
{ "ServerKey", &ServerKey, CUPSD_VARTYPE_PATHNAME },
# endif
#endif
{ "ServerName", &ServerName, CUPSD_VARTYPE_STRING },
{ "ServerRoot", &ServerRoot, CUPSD_VARTYPE_PATHNAME },
{ "SMBConfigFile", &SMBConfigFile, CUPSD_VARTYPE_STRING },
{ "StateDir", &StateDir, CUPSD_VARTYPE_STRING },
#ifdef HAVE_AUTHORIZATION_H
{ "SystemGroupAuthKey", &SystemGroupAuthKey, CUPSD_VARTYPE_STRING },
#endif
{ "TempDir", &TempDir, CUPSD_VARTYPE_PATHNAME },
{ "Timeout", &Timeout, CUPSD_VARTYPE_INTEGER },
{ "UseNetworkDefault", &UseNetworkDefault, CUPSD_VARTYPE_BOOLEAN }
};
#define NUM_VARS (sizeof(variables) / sizeof(variables[0]))
static const unsigned ones[4] =
{
0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff
};
static const unsigned zeros[4] =
{
0x00000000, 0x00000000, 0x00000000, 0x00000000
};
static http_addrlist_t *get_address(const char *value, int defport);
static int get_addr_and_mask(const char *value, unsigned *ip,
unsigned *mask);
static int parse_aaa(cupsd_location_t *loc, char *line,
char *value, int linenum);
static int parse_fatal_errors(const char *s);
static int parse_groups(const char *s);
static int parse_protocols(const char *s);
static int read_configuration(cups_file_t *fp);
static int read_location(cups_file_t *fp, char *name, int linenum);
static int read_policy(cups_file_t *fp, char *name, int linenum);
void
cupsdAddAlias(cups_array_t *aliases,
const char *name)
{
cupsd_alias_t *a;
size_t namelen;
namelen = strlen(name);
if ((a = (cupsd_alias_t *)malloc(sizeof(cupsd_alias_t) + namelen)) == NULL)
return;
a->namelen = namelen;
strcpy(a->name, name);
cupsArrayAdd(aliases, a);
}
int
cupsdCheckPermissions(
const char *filename,
const char *suffix,
int mode,
int user,
int group,
int is_dir,
int create_dir)
{
int dir_created = 0;
char pathname[1024];
struct stat fileinfo;
int is_symlink;
if (suffix)
{
snprintf(pathname, sizeof(pathname), "%s/%s", filename, suffix);
filename = pathname;
}
if (lstat(filename, &fileinfo))
{
if (errno == ENOENT && create_dir)
{
if (create_dir > 0)
cupsdLogMessage(CUPSD_LOG_DEBUG, "Creating missing directory \"%s\"",
filename);
if (mkdir(filename, mode))
{
if (create_dir > 0)
cupsdLogMessage(CUPSD_LOG_ERROR,
"Unable to create directory \"%s\" - %s", filename,
strerror(errno));
else
syslog(LOG_ERR, "Unable to create directory \"%s\" - %s", filename,
strerror(errno));
return (-1);
}
dir_created = 1;
fileinfo.st_mode = mode | S_IFDIR;
}
else
return (create_dir ? -1 : 1);
}
if ((is_symlink = S_ISLNK(fileinfo.st_mode)) != 0)
{
if (stat(filename, &fileinfo))
{
cupsdLogMessage(CUPSD_LOG_ERROR, "\"%s\" is a bad symlink - %s",
filename, strerror(errno));
return (-1);
}
}
if (!dir_created && !is_dir && !S_ISREG(fileinfo.st_mode))
{
cupsdLogMessage(CUPSD_LOG_ERROR, "\"%s\" is not a regular file!", filename);
return (-1);
}
if (!dir_created && is_dir && !S_ISDIR(fileinfo.st_mode))
{
if (create_dir >= 0)
cupsdLogMessage(CUPSD_LOG_ERROR, "\"%s\" is not a directory!", filename);
else
syslog(LOG_ERR, "\"%s\" is not a directory!", filename);
return (-1);
}
if (is_symlink)
return (0);
if (dir_created || fileinfo.st_uid != user || fileinfo.st_gid != group)
{
if (create_dir >= 0)
cupsdLogMessage(CUPSD_LOG_DEBUG, "Repairing ownership of \"%s\"",
filename);
if (chown(filename, user, group) && !getuid())
{
if (create_dir >= 0)
cupsdLogMessage(CUPSD_LOG_ERROR,
"Unable to change ownership of \"%s\" - %s", filename,
strerror(errno));
else
syslog(LOG_ERR, "Unable to change ownership of \"%s\" - %s", filename,
strerror(errno));
return (1);
}
}
if (dir_created || (fileinfo.st_mode & 07777) != mode)
{
if (create_dir >= 0)
cupsdLogMessage(CUPSD_LOG_DEBUG, "Repairing access permissions of \"%s\"",
filename);
if (chmod(filename, mode))
{
if (create_dir >= 0)
cupsdLogMessage(CUPSD_LOG_ERROR,
"Unable to change permissions of \"%s\" - %s", filename,
strerror(errno));
else
syslog(LOG_ERR, "Unable to change permissions of \"%s\" - %s", filename,
strerror(errno));
return (1);
}
}
return (0);
}
void
cupsdFreeAliases(cups_array_t *aliases)
{
cupsd_alias_t *a;
for (a = (cupsd_alias_t *)cupsArrayFirst(aliases);
a;
a = (cupsd_alias_t *)cupsArrayNext(aliases))
free(a);
cupsArrayDelete(aliases);
}
int
cupsdReadConfiguration(void)
{
int i;
cups_file_t *fp;
int status;
char temp[1024],
mimedir[1024],
*slash;
cups_lang_t *language;
struct passwd *user;
struct group *group;
char *old_serverroot,
*old_requestroot;
int old_remote_port;
const char *tmpdir;
struct stat tmpinfo;
cupsd_policy_t *p;
old_serverroot = NULL;
cupsdSetString(&old_serverroot, ServerRoot);
old_requestroot = NULL;
cupsdSetString(&old_requestroot, RequestRoot);
cupsdDeleteAllLocations();
if (NumBrowsers > 0)
{
free(Browsers);
Browsers = NULL;
NumBrowsers = 0;
}
if (NumPolled > 0)
{
free(Polled);
NumPolled = 0;
}
if (NumRelays > 0)
{
for (i = 0; i < NumRelays; i ++)
if (Relays[i].from.type == CUPSD_AUTH_NAME)
free(Relays[i].from.mask.name.name);
free(Relays);
NumRelays = 0;
}
cupsdDeleteAllListeners();
old_remote_port = RemotePort;
RemotePort = 0;
cupsdFreeAliases(ServerAlias);
ServerAlias = NULL;
cupsdClearString(&ServerName);
cupsdClearString(&ServerAdmin);
cupsdSetString(&ServerBin, CUPS_SERVERBIN);
cupsdSetString(&RequestRoot, CUPS_REQUESTS);
cupsdSetString(&CacheDir, CUPS_CACHEDIR);
cupsdSetString(&DataDir, CUPS_DATADIR);
cupsdSetString(&DocumentRoot, CUPS_DOCROOT);
cupsdSetString(&AccessLog, CUPS_LOGDIR "/access_log");
cupsdSetString(&ErrorLog, CUPS_LOGDIR "/error_log");
cupsdSetString(&PageLog, CUPS_LOGDIR "/page_log");
cupsdSetString(&PageLogFormat,
"%p %j %u %T %P %C %{job-billing} "
"%{job-originating-host-name} %{job-name} %{media} %{sides}");
cupsdSetString(&Printcap, CUPS_DEFAULT_PRINTCAP);
cupsdSetString(&PrintcapGUI, "/usr/bin/glpoptions");
cupsdSetString(&FontPath, CUPS_FONTPATH);
cupsdSetString(&RemoteRoot, "remroot");
cupsdSetString(&ServerHeader, "CUPS/1.4");
cupsdSetString(&StateDir, CUPS_STATEDIR);
if (!strcmp(CUPS_DEFAULT_PRINTCAP, "/etc/printers.conf"))
PrintcapFormat = PRINTCAP_SOLARIS;
else if (!strcmp(CUPS_DEFAULT_PRINTCAP,
"/Library/Preferences/org.cups.printers.plist"))
PrintcapFormat = PRINTCAP_PLIST;
else
PrintcapFormat = PRINTCAP_BSD;
strlcpy(temp, ConfigurationFile, sizeof(temp));
if ((slash = strrchr(temp, '/')) != NULL)
*slash = '\0';
cupsdSetString(&ServerRoot, temp);
cupsdClearString(&Classification);
ClassifyOverride = 0;
#ifdef HAVE_SSL
# ifdef HAVE_CDSASSL
cupsdSetString(&ServerCertificate, "/Library/Keychains/System.keychain");
# else
cupsdSetString(&ServerCertificate, "ssl/server.crt");
cupsdSetString(&ServerKey, "ssl/server.key");
# endif
#endif
language = cupsLangDefault();
if (!strcmp(language->language, "C") || !strcmp(language->language, "POSIX"))
cupsdSetString(&DefaultLanguage, "en");
else
cupsdSetString(&DefaultLanguage, language->language);
cupsdClearString(&DefaultPaperSize);
cupsdSetString(&RIPCache, "8m");
cupsdSetString(&TempDir, NULL);
if ((user = getpwnam(CUPS_DEFAULT_USER)) != NULL)
User = user->pw_uid;
else
{
User = 65534;
}
endpwent();
group = getgrnam(CUPS_DEFAULT_GROUP);
endgrent();
if (group)
Group = group->gr_gid;
else
{
group = getgrnam("nobody");
endgrent();
if (group)
Group = group->gr_gid;
else
{
Group = 65534;
}
}
AccessLogLevel = CUPSD_ACCESSLOG_ACTIONS;
ConfigFilePerm = CUPS_DEFAULT_CONFIG_FILE_PERM;
FatalErrors = parse_fatal_errors(CUPS_DEFAULT_FATAL_ERRORS);
DefaultAuthType = CUPSD_AUTH_BASIC;
#ifdef HAVE_SSL
DefaultEncryption = HTTP_ENCRYPT_REQUIRED;
SSLOptions = CUPSD_SSL_NONE;
#endif
DirtyCleanInterval = DEFAULT_KEEPALIVE;
JobKillDelay = DEFAULT_TIMEOUT;
JobRetryLimit = 5;
JobRetryInterval = 300;
FileDevice = FALSE;
FilterLevel = 0;
FilterLimit = 0;
FilterNice = 0;
HostNameLookups = FALSE;
ImplicitClasses = CUPS_DEFAULT_IMPLICIT_CLASSES;
ImplicitAnyClasses = FALSE;
HideImplicitMembers = TRUE;
KeepAlive = TRUE;
KeepAliveTimeout = DEFAULT_KEEPALIVE;
ListenBackLog = SOMAXCONN;
LogDebugHistory = 200;
LogFilePerm = CUPS_DEFAULT_LOG_FILE_PERM;
LogLevel = CUPSD_LOG_WARN;
LogTimeFormat = CUPSD_TIME_STANDARD;
MaxClients = 100;
MaxClientsPerHost = 0;
MaxLogSize = 1024 * 1024;
MaxPrinterHistory = 0;
MaxRequestSize = 0;
MultipleOperationTimeout = DEFAULT_TIMEOUT;
ReloadTimeout = DEFAULT_KEEPALIVE;
RootCertDuration = 300;
Timeout = DEFAULT_TIMEOUT;
NumSystemGroups = 0;
BrowseInterval = DEFAULT_INTERVAL;
BrowsePort = ippPort();
BrowseLocalProtocols = parse_protocols(CUPS_DEFAULT_BROWSE_LOCAL_PROTOCOLS);
BrowseRemoteProtocols = parse_protocols(CUPS_DEFAULT_BROWSE_REMOTE_PROTOCOLS);
BrowseShortNames = CUPS_DEFAULT_BROWSE_SHORT_NAMES;
BrowseTimeout = DEFAULT_TIMEOUT;
BrowseWebIF = FALSE;
Browsing = CUPS_DEFAULT_BROWSING;
DefaultShared = CUPS_DEFAULT_DEFAULT_SHARED;
cupsdSetString(&LPDConfigFile, CUPS_DEFAULT_LPD_CONFIG_FILE);
cupsdSetString(&SMBConfigFile, CUPS_DEFAULT_SMB_CONFIG_FILE);
cupsdClearString(&BrowseLocalOptions);
cupsdClearString(&BrowseRemoteOptions);
cupsdSetString(&ErrorPolicy, "stop-printer");
#ifdef HAVE_LDAP
cupsdClearString(&BrowseLDAPBindDN);
cupsdClearString(&BrowseLDAPDN);
cupsdClearString(&BrowseLDAPPassword);
cupsdClearString(&BrowseLDAPServer);
# ifdef HAVE_LDAP_SSL
cupsdClearString(&BrowseLDAPCACertFile);
# endif
#endif
JobHistory = DEFAULT_HISTORY;
JobFiles = DEFAULT_FILES;
JobAutoPurge = 0;
MaxJobs = 500;
MaxActiveJobs = 0;
MaxJobsPerUser = 0;
MaxJobsPerPrinter = 0;
MaxCopies = CUPS_DEFAULT_MAX_COPIES;
cupsdDeleteAllPolicies();
cupsdClearString(&DefaultPolicy);
#ifdef HAVE_AUTHORIZATION_H
cupsdClearString(&SystemGroupAuthKey);
#endif
MaxSubscriptions = 100;
MaxSubscriptionsPerJob = 0;
MaxSubscriptionsPerPrinter = 0;
MaxSubscriptionsPerUser = 0;
DefaultLeaseDuration = 86400;
MaxLeaseDuration = 0;
#ifdef HAVE_LAUNCHD
LaunchdTimeout = DEFAULT_TIMEOUT + 10;
#endif
#ifdef __APPLE__
AppleQuotas = TRUE;
#endif
if ((fp = cupsFileOpen(ConfigurationFile, "r")) == NULL)
return (0);
status = read_configuration(fp);
cupsFileClose(fp);
if (!status)
return (0);
RunUser = getuid();
cupsdLogMessage(CUPSD_LOG_INFO, "Remote access is %s.",
RemotePort ? "enabled" : "disabled");
if (!RemotePort)
BrowseLocalProtocols = 0;
if (ServerName)
{
if (!ServerAlias)
ServerAlias = cupsArrayNew(NULL, NULL);
cupsdLogMessage(CUPSD_LOG_DEBUG, "Added auto ServerAlias %s", ServerName);
}
else
{
if (gethostname(temp, sizeof(temp)))
{
cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to get hostname: %s",
strerror(errno));
strlcpy(temp, "localhost", sizeof(temp));
}
cupsdSetString(&ServerName, temp);
if (!ServerAlias)
ServerAlias = cupsArrayNew(NULL, NULL);
cupsdAddAlias(ServerAlias, temp);
cupsdLogMessage(CUPSD_LOG_DEBUG, "Added auto ServerAlias %s", temp);
if (HostNameLookups || RemotePort)
{
struct hostent *host;
if ((host = gethostbyname(temp)) != NULL)
{
if (strcasecmp(temp, host->h_name))
{
cupsdSetString(&ServerName, host->h_name);
cupsdAddAlias(ServerAlias, host->h_name);
cupsdLogMessage(CUPSD_LOG_DEBUG, "Added auto ServerAlias %s",
host->h_name);
}
if (host->h_aliases)
{
for (i = 0; host->h_aliases[i]; i ++)
if (strcasecmp(temp, host->h_aliases[i]))
{
cupsdAddAlias(ServerAlias, host->h_aliases[i]);
cupsdLogMessage(CUPSD_LOG_DEBUG, "Added auto ServerAlias %s",
host->h_aliases[i]);
}
}
}
}
if ((slash = strchr(temp, '.')) != NULL)
{
*slash = '\0';
cupsdAddAlias(ServerAlias, temp);
cupsdLogMessage(CUPSD_LOG_DEBUG, "Added auto ServerAlias %s", temp);
}
}
for (slash = ServerName; isdigit(*slash & 255) || *slash == '.'; slash ++);
ServerNameIsIP = !*slash;
if (!ServerAdmin)
cupsdSetStringf(&ServerAdmin, "root@%s", ServerName);
if (NumSystemGroups == 0)
{
if (!parse_groups(CUPS_DEFAULT_SYSTEM_GROUPS))
{
group = getgrgid(0);
endgrent();
if (group != NULL)
cupsdSetString(&SystemGroups[0], group->gr_name);
else
cupsdSetString(&SystemGroups[0], "unknown");
SystemGroupIDs[0] = 0;
NumSystemGroups = 1;
}
}
BrowseACL = cupsdFindLocation("CUPS_INTERNAL_BROWSE_ACL");
#ifdef HAVE_VSYSLOG
if (!strcmp(AccessLog, "syslog") ||
!strcmp(ErrorLog, "syslog") ||
!strcmp(PageLog, "syslog"))
openlog("cupsd", LOG_PID | LOG_NOWAIT | LOG_NDELAY, LOG_LPR);
#endif
cupsdLogMessage(CUPSD_LOG_INFO, "Loaded configuration file \"%s\"",
ConfigurationFile);
if (!RunUser)
{
for (i = 0; i < NumSystemGroups; i ++)
if (Group == SystemGroupIDs[i])
break;
if (i < NumSystemGroups)
{
cupsdLogMessage(CUPSD_LOG_NOTICE,
"Group and SystemGroup cannot use the same groups!");
cupsdLogMessage(CUPSD_LOG_INFO, "Resetting Group to \"nobody\"...");
group = getgrnam("nobody");
endgrent();
if (group != NULL)
Group = group->gr_gid;
else
{
Group = 65534;
}
}
}
if (cupsArrayCount(Listeners) == 0)
{
cupsdLogMessage(CUPSD_LOG_EMERG,
"No valid Listen or Port lines were found in the "
"configuration file!");
cupsdEndProcess(getpid(), 0);
}
cupsdSetStringf(&DefaultLocale, "%s.UTF-8", DefaultLanguage);
if (DocumentRoot[0] != '/')
cupsdSetStringf(&DocumentRoot, "%s/%s", ServerRoot, DocumentRoot);
if (RequestRoot[0] != '/')
cupsdSetStringf(&RequestRoot, "%s/%s", ServerRoot, RequestRoot);
if (ServerBin[0] != '/')
cupsdSetStringf(&ServerBin, "%s/%s", ServerRoot, ServerBin);
if (StateDir[0] != '/')
cupsdSetStringf(&StateDir, "%s/%s", ServerRoot, StateDir);
if (CacheDir[0] != '/')
cupsdSetStringf(&CacheDir, "%s/%s", ServerRoot, CacheDir);
#ifdef HAVE_SSL
if (ServerCertificate[0] != '/')
cupsdSetStringf(&ServerCertificate, "%s/%s", ServerRoot, ServerCertificate);
if (!strncmp(ServerRoot, ServerCertificate, strlen(ServerRoot)) &&
cupsdCheckPermissions(ServerCertificate, NULL, 0600, RunUser, Group,
0, 0) < 0 &&
(FatalErrors & CUPSD_FATAL_PERMISSIONS))
return (0);
# if defined(HAVE_LIBSSL) || defined(HAVE_GNUTLS)
if (ServerKey[0] != '/')
cupsdSetStringf(&ServerKey, "%s/%s", ServerRoot, ServerKey);
if (!strncmp(ServerRoot, ServerKey, strlen(ServerRoot)) &&
cupsdCheckPermissions(ServerKey, NULL, 0600, RunUser, Group, 0, 0) < 0 &&
(FatalErrors & CUPSD_FATAL_PERMISSIONS))
return (0);
# endif
#endif
snprintf(temp, sizeof(temp), "%s/rss", CacheDir);
if ((cupsdCheckPermissions(RequestRoot, NULL, 0710, RunUser,
Group, 1, 1) < 0 ||
cupsdCheckPermissions(CacheDir, NULL, 0775, RunUser,
Group, 1, 1) < 0 ||
cupsdCheckPermissions(temp, NULL, 0775, RunUser,
Group, 1, 1) < 0 ||
cupsdCheckPermissions(StateDir, NULL, 0755, RunUser,
Group, 1, 1) < 0 ||
cupsdCheckPermissions(StateDir, "certs", RunUser ? 0711 : 0511, User,
SystemGroupIDs[0], 1, 1) < 0 ||
cupsdCheckPermissions(ServerRoot, NULL, 0755, RunUser,
Group, 1, 0) < 0 ||
cupsdCheckPermissions(ServerRoot, "ppd", 0755, RunUser,
Group, 1, 1) < 0 ||
cupsdCheckPermissions(ServerRoot, "ssl", 0700, RunUser,
Group, 1, 0) < 0 ||
cupsdCheckPermissions(ServerRoot, "cupsd.conf", ConfigFilePerm, RunUser,
Group, 0, 0) < 0 ||
cupsdCheckPermissions(ServerRoot, "classes.conf", 0600, RunUser,
Group, 0, 0) < 0 ||
cupsdCheckPermissions(ServerRoot, "printers.conf", 0600, RunUser,
Group, 0, 0) < 0 ||
cupsdCheckPermissions(ServerRoot, "passwd.md5", 0600, User,
Group, 0, 0) < 0) &&
(FatalErrors & CUPSD_FATAL_PERMISSIONS))
return (0);
if (!TempDir)
{
if ((tmpdir = getenv("TMPDIR")) != NULL)
{
if (stat(tmpdir, &tmpinfo))
cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to access TMPDIR (%s): %s",
tmpdir, strerror(errno));
else if (!S_ISDIR(tmpinfo.st_mode))
cupsdLogMessage(CUPSD_LOG_ERROR, "TMPDIR (%s) is not a directory!",
tmpdir);
else if ((tmpinfo.st_uid != User || !(tmpinfo.st_mode & S_IWUSR)) &&
(tmpinfo.st_gid != Group || !(tmpinfo.st_mode & S_IWGRP)) &&
!(tmpinfo.st_mode & S_IWOTH))
cupsdLogMessage(CUPSD_LOG_ERROR,
"TMPDIR (%s) has the wrong permissions!", tmpdir);
else
cupsdSetString(&TempDir, tmpdir);
}
if (!TempDir)
{
cupsdLogMessage(CUPSD_LOG_INFO, "Using default TempDir of %s/tmp...",
RequestRoot);
cupsdSetStringf(&TempDir, "%s/tmp", RequestRoot);
}
}
if (!strncmp(TempDir, RequestRoot, strlen(RequestRoot)) ||
access(TempDir, 0))
{
if (cupsdCheckPermissions(TempDir, NULL, 01770, RunUser, Group, 1, 1) < 0 &&
(FatalErrors & CUPSD_FATAL_PERMISSIONS))
return (0);
}
cupsdInitEnv();
if (!DefaultPaperSize)
{
#ifdef HAVE_LIBPAPER
char *paper_result;
if ((paper_result = systempapername()) != NULL)
cupsdSetString(&DefaultPaperSize, paper_result);
else
#endif
if (!DefaultLanguage ||
!strcasecmp(DefaultLanguage, "C") ||
!strcasecmp(DefaultLanguage, "POSIX") ||
!strcasecmp(DefaultLanguage, "en") ||
!strncasecmp(DefaultLanguage, "en.", 3) ||
!strncasecmp(DefaultLanguage, "en_US", 5) ||
!strncasecmp(DefaultLanguage, "en_CA", 5) ||
!strncasecmp(DefaultLanguage, "fr_CA", 5))
{
cupsdSetString(&DefaultPaperSize, "Letter");
}
else
cupsdSetString(&DefaultPaperSize, "A4");
}
if (Classification && !strcasecmp(Classification, "none"))
cupsdClearString(&Classification);
if (Classification)
cupsdLogMessage(CUPSD_LOG_INFO, "Security set to \"%s\"", Classification);
if (MaxClients > (MaxFDs / 3) || MaxClients <= 0)
{
if (MaxClients > 0)
cupsdLogMessage(CUPSD_LOG_INFO,
"MaxClients limited to 1/3 (%d) of the file descriptor "
"limit (%d)...",
MaxFDs / 3, MaxFDs);
MaxClients = MaxFDs / 3;
}
cupsdLogMessage(CUPSD_LOG_INFO, "Configured for up to %d clients.",
MaxClients);
if (MaxActiveJobs > (MaxFDs / 3))
MaxActiveJobs = MaxFDs / 3;
if (MaxClientsPerHost <= 0)
MaxClientsPerHost = MaxClients;
if (MaxClientsPerHost > MaxClients)
MaxClientsPerHost = MaxClients;
cupsdLogMessage(CUPSD_LOG_INFO,
"Allowing up to %d client connections per host.",
MaxClientsPerHost);
if (BrowseTimeout < (2 * BrowseInterval) || BrowseTimeout <= 0)
{
cupsdLogMessage(CUPSD_LOG_ALERT, "Invalid BrowseTimeout value %d!",
BrowseTimeout);
if (BrowseInterval)
BrowseTimeout = BrowseInterval * 2;
else
BrowseTimeout = DEFAULT_TIMEOUT;
cupsdLogMessage(CUPSD_LOG_ALERT, "Reset BrowseTimeout to %d!",
BrowseTimeout);
}
if (DefaultPolicy)
DefaultPolicyPtr = cupsdFindPolicy(DefaultPolicy);
else
DefaultPolicyPtr = NULL;
if (!DefaultPolicyPtr)
{
cupsd_location_t *po;
if (DefaultPolicy)
cupsdLogMessage(CUPSD_LOG_ERROR, "Default policy \"%s\" not found!",
DefaultPolicy);
cupsdSetString(&DefaultPolicy, "default");
if ((DefaultPolicyPtr = cupsdFindPolicy("default")) != NULL)
cupsdLogMessage(CUPSD_LOG_INFO,
"Using policy \"default\" as the default!");
else
{
cupsdLogMessage(CUPSD_LOG_INFO,
"Creating CUPS default administrative policy:");
DefaultPolicyPtr = p = cupsdAddPolicy("default");
cupsdLogMessage(CUPSD_LOG_INFO, "<Policy default>");
cupsdLogMessage(CUPSD_LOG_INFO,
"<Limit Send-Document Send-URI Cancel-Job Hold-Job "
"Release-Job Restart-Job Purge-Jobs "
"Set-Job-Attributes Create-Job-Subscription "
"Renew-Subscription Cancel-Subscription "
"Get-Notifications Reprocess-Job Cancel-Current-Job "
"Suspend-Current-Job Resume-Job CUPS-Move-Job "
"CUPS-Authenticate-Job CUPS-Get-Document>");
cupsdLogMessage(CUPSD_LOG_INFO, "Order Deny,Allow");
po = cupsdAddPolicyOp(p, NULL, IPP_SEND_DOCUMENT);
po->order_type = CUPSD_AUTH_ALLOW;
po->level = CUPSD_AUTH_USER;
cupsdAddName(po, "@OWNER");
cupsdAddName(po, "@SYSTEM");
cupsdLogMessage(CUPSD_LOG_INFO, "Require user @OWNER @SYSTEM");
cupsdAddPolicyOp(p, po, IPP_SEND_URI);
cupsdAddPolicyOp(p, po, IPP_CANCEL_JOB);
cupsdAddPolicyOp(p, po, IPP_HOLD_JOB);
cupsdAddPolicyOp(p, po, IPP_RELEASE_JOB);
cupsdAddPolicyOp(p, po, IPP_RESTART_JOB);
cupsdAddPolicyOp(p, po, IPP_PURGE_JOBS);
cupsdAddPolicyOp(p, po, IPP_SET_JOB_ATTRIBUTES);
cupsdAddPolicyOp(p, po, IPP_CREATE_JOB_SUBSCRIPTION);
cupsdAddPolicyOp(p, po, IPP_RENEW_SUBSCRIPTION);
cupsdAddPolicyOp(p, po, IPP_CANCEL_SUBSCRIPTION);
cupsdAddPolicyOp(p, po, IPP_GET_NOTIFICATIONS);
cupsdAddPolicyOp(p, po, IPP_REPROCESS_JOB);
cupsdAddPolicyOp(p, po, IPP_CANCEL_CURRENT_JOB);
cupsdAddPolicyOp(p, po, IPP_SUSPEND_CURRENT_JOB);
cupsdAddPolicyOp(p, po, IPP_RESUME_JOB);
cupsdAddPolicyOp(p, po, CUPS_MOVE_JOB);
cupsdAddPolicyOp(p, po, CUPS_AUTHENTICATE_JOB);
cupsdAddPolicyOp(p, po, CUPS_GET_DOCUMENT);
cupsdLogMessage(CUPSD_LOG_INFO, "</Limit>");
cupsdLogMessage(CUPSD_LOG_INFO,
"<Limit Pause-Printer Resume-Printer "
"Set-Printer-Attributes Enable-Printer "
"Disable-Printer Pause-Printer-After-Current-Job "
"Hold-New-Jobs Release-Held-New-Jobs "
"Deactivate-Printer Activate-Printer Restart-Printer "
"Shutdown-Printer Startup-Printer Promote-Job "
"Schedule-Job-After CUPS-Add-Printer "
"CUPS-Delete-Printer CUPS-Add-Class CUPS-Delete-Class "
"CUPS-Accept-Jobs CUPS-Reject-Jobs CUPS-Set-Default>");
cupsdLogMessage(CUPSD_LOG_INFO, "Order Deny,Allow");
cupsdLogMessage(CUPSD_LOG_INFO, "AuthType Default");
po = cupsdAddPolicyOp(p, NULL, IPP_PAUSE_PRINTER);
po->order_type = CUPSD_AUTH_ALLOW;
po->type = CUPSD_AUTH_DEFAULT;
po->level = CUPSD_AUTH_USER;
cupsdAddName(po, "@SYSTEM");
cupsdLogMessage(CUPSD_LOG_INFO, "Require user @SYSTEM");
cupsdAddPolicyOp(p, po, IPP_RESUME_PRINTER);
cupsdAddPolicyOp(p, po, IPP_SET_PRINTER_ATTRIBUTES);
cupsdAddPolicyOp(p, po, IPP_ENABLE_PRINTER);
cupsdAddPolicyOp(p, po, IPP_DISABLE_PRINTER);
cupsdAddPolicyOp(p, po, IPP_PAUSE_PRINTER_AFTER_CURRENT_JOB);
cupsdAddPolicyOp(p, po, IPP_HOLD_NEW_JOBS);
cupsdAddPolicyOp(p, po, IPP_RELEASE_HELD_NEW_JOBS);
cupsdAddPolicyOp(p, po, IPP_DEACTIVATE_PRINTER);
cupsdAddPolicyOp(p, po, IPP_ACTIVATE_PRINTER);
cupsdAddPolicyOp(p, po, IPP_RESTART_PRINTER);
cupsdAddPolicyOp(p, po, IPP_SHUTDOWN_PRINTER);
cupsdAddPolicyOp(p, po, IPP_STARTUP_PRINTER);
cupsdAddPolicyOp(p, po, IPP_PROMOTE_JOB);
cupsdAddPolicyOp(p, po, IPP_SCHEDULE_JOB_AFTER);
cupsdAddPolicyOp(p, po, CUPS_ADD_PRINTER);
cupsdAddPolicyOp(p, po, CUPS_DELETE_PRINTER);
cupsdAddPolicyOp(p, po, CUPS_ADD_CLASS);
cupsdAddPolicyOp(p, po, CUPS_DELETE_CLASS);
cupsdAddPolicyOp(p, po, CUPS_ACCEPT_JOBS);
cupsdAddPolicyOp(p, po, CUPS_REJECT_JOBS);
cupsdAddPolicyOp(p, po, CUPS_SET_DEFAULT);
cupsdLogMessage(CUPSD_LOG_INFO, "</Limit>");
cupsdLogMessage(CUPSD_LOG_INFO, "<Limit All>");
cupsdLogMessage(CUPSD_LOG_INFO, "Order Deny,Allow");
po = cupsdAddPolicyOp(p, NULL, IPP_ANY_OPERATION);
po->order_type = CUPSD_AUTH_ALLOW;
cupsdLogMessage(CUPSD_LOG_INFO, "</Limit>");
cupsdLogMessage(CUPSD_LOG_INFO, "</Policy>");
}
}
cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdReadConfiguration: NumPolicies=%d",
cupsArrayCount(Policies));
for (i = 0, p = (cupsd_policy_t *)cupsArrayFirst(Policies);
p;
i ++, p = (cupsd_policy_t *)cupsArrayNext(Policies))
cupsdLogMessage(CUPSD_LOG_DEBUG2,
"cupsdReadConfiguration: Policies[%d]=\"%s\"", i, p->name);
if (NeedReload == RELOAD_ALL ||
old_remote_port != RemotePort ||
!old_serverroot || !ServerRoot || strcmp(old_serverroot, ServerRoot) ||
!old_requestroot || !RequestRoot || strcmp(old_requestroot, RequestRoot))
{
mime_type_t *type;
char mimetype[MIME_MAX_SUPER + MIME_MAX_TYPE];
cupsdLogMessage(CUPSD_LOG_INFO, "Full reload is required.");
cupsdDeleteAllSubscriptions();
cupsdFreeAllJobs();
cupsdDeleteAllPrinters();
DefaultPrinter = NULL;
if (MimeDatabase != NULL)
mimeDelete(MimeDatabase);
if (NumMimeTypes)
{
for (i = 0; i < NumMimeTypes; i ++)
_cupsStrFree(MimeTypes[i]);
free(MimeTypes);
}
snprintf(temp, sizeof(temp), "%s/filter", ServerBin);
snprintf(mimedir, sizeof(mimedir), "%s/mime", DataDir);
MimeDatabase = mimeLoadTypes(NULL, mimedir);
MimeDatabase = mimeLoadTypes(MimeDatabase, ServerRoot);
MimeDatabase = mimeLoadFilters(MimeDatabase, mimedir, temp);
MimeDatabase = mimeLoadFilters(MimeDatabase, ServerRoot, temp);
if (!MimeDatabase)
{
cupsdLogMessage(CUPSD_LOG_EMERG,
"Unable to load MIME database from \"%s\" or \"%s\"!",
mimedir, ServerRoot);
if (FatalErrors & CUPSD_FATAL_CONFIG)
return (0);
}
cupsdLogMessage(CUPSD_LOG_INFO,
"Loaded MIME database from \"%s\" and \"%s\": %d types, "
"%d filters...", mimedir, ServerRoot,
mimeNumTypes(MimeDatabase), mimeNumFilters(MimeDatabase));
NumMimeTypes = mimeNumTypes(MimeDatabase);
if (!mimeType(MimeDatabase, "application", "octet-stream"))
NumMimeTypes ++;
if ((MimeTypes = calloc(NumMimeTypes, sizeof(const char *))) == NULL)
{
cupsdLogMessage(CUPSD_LOG_ERROR,
"Unable to allocate memory for %d MIME types!",
NumMimeTypes);
NumMimeTypes = 0;
}
else
{
for (i = 0, type = mimeFirstType(MimeDatabase);
type;
i ++, type = mimeNextType(MimeDatabase))
{
snprintf(mimetype, sizeof(mimetype), "%s/%s", type->super, type->type);
MimeTypes[i] = _cupsStrAlloc(mimetype);
}
if (i < NumMimeTypes)
MimeTypes[i] = _cupsStrAlloc("application/octet-stream");
}
if (LogLevel == CUPSD_LOG_DEBUG2)
{
mime_filter_t *filter;
for (type = mimeFirstType(MimeDatabase);
type;
type = mimeNextType(MimeDatabase))
cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdReadConfiguration: type %s/%s",
type->super, type->type);
for (filter = mimeFirstFilter(MimeDatabase);
filter;
filter = mimeNextFilter(MimeDatabase))
cupsdLogMessage(CUPSD_LOG_DEBUG2,
"cupsdReadConfiguration: filter %s/%s to %s/%s %d %s",
filter->src->super, filter->src->type,
filter->dst->super, filter->dst->type,
filter->cost, filter->filter);
}
snprintf(temp, sizeof(temp), "%s/banners", DataDir);
cupsdLoadBanners(temp);
cupsdLoadAllPrinters();
cupsdLoadAllClasses();
cupsdLoadRemoteCache();
cupsdCreateCommonData();
if (Printcap && *Printcap && access(Printcap, 0))
cupsdWritePrintcap();
cupsdLoadAllJobs();
cupsdLoadAllSubscriptions();
cupsdLogMessage(CUPSD_LOG_INFO, "Full reload complete.");
}
else
{
cupsdCreateCommonData();
cupsdUpdatePrinters();
cupsdMarkDirty(CUPSD_DIRTY_PRINTCAP);
cupsdLogMessage(CUPSD_LOG_INFO, "Partial reload complete.");
}
NeedReload = RELOAD_NONE;
cupsdClearString(&old_serverroot);
cupsdClearString(&old_requestroot);
return (1);
}
static http_addrlist_t *
get_address(const char *value,
int defport)
{
char buffer[1024],
defpname[255],
*hostname,
*portname;
http_addrlist_t *addrlist;
if (!*value)
{
cupsdLogMessage(CUPSD_LOG_ERROR, "Bad (empty) address!");
return (NULL);
}
strlcpy(buffer, value, sizeof(buffer));
if ((portname = strrchr(buffer, ':')) != NULL && !strchr(portname, ']'))
{
*portname++ = '\0';
hostname = buffer;
}
else
{
for (portname = buffer; isdigit(*portname & 255); portname ++);
if (*portname)
{
sprintf(defpname, "%d", defport);
portname = defpname;
hostname = buffer;
}
else
{
portname = buffer;
hostname = NULL;
}
}
if (hostname && !strcmp(hostname, "*"))
hostname = NULL;
if ((addrlist = httpAddrGetList(hostname, AF_UNSPEC, portname)) == NULL)
cupsdLogMessage(CUPSD_LOG_ERROR, "Hostname lookup for \"%s\" failed!",
hostname ? hostname : "(nil)");
return (addrlist);
}
static int
get_addr_and_mask(const char *value,
unsigned *ip,
unsigned *mask)
{
int i, j,
family,
ipcount;
unsigned ipval;
const char *maskval,
*ptr,
*ptr2;
ip[0] = ip[1] = ip[2] = ip[3] = 0x00000000;
mask[0] = mask[1] = mask[2] = mask[3] = 0xffffffff;
if ((maskval = strchr(value, '/')) != NULL)
maskval ++;
else
maskval = value + strlen(value);
#ifdef AF_INET6
if (*value == '[')
{
family = AF_INET6;
for (i = 0, ptr = value + 1; *ptr && i < 8; i ++)
{
if (*ptr == ']')
break;
else if (!strncmp(ptr, "::", 2))
{
for (ptr2 = strchr(ptr + 2, ':'), j = 0;
ptr2;
ptr2 = strchr(ptr2 + 1, ':'), j ++);
i = 7 - j;
ptr ++;
}
else if (isxdigit(*ptr & 255))
{
ipval = strtoul(ptr, (char **)&ptr, 16);
if (ipval > 0xffff)
return (0);
if (i & 1)
ip[i / 2] |= ipval;
else
ip[i / 2] |= ipval << 16;
}
else
return (0);
while (*ptr == ':')
ptr ++;
}
if (*ptr != ']')
return (0);
ptr ++;
if (*ptr && *ptr != '/')
return (0);
}
else
#endif
{
unsigned val[4];
family = AF_INET;
ipcount = sscanf(value, "%u.%u.%u.%u", val + 0, val + 1, val + 2, val + 3);
for (i = 0; i < ipcount; i ++)
if (val[i] > 255)
return (0);
for (i = ipcount; i < 4; i ++)
val[i] = 0;
ip[3] = (((((val[0] << 8) | val[1]) << 8) | val[2]) << 8) | val[3];
if (ipcount < 4)
mask[3] = (0xffffffff << (32 - 8 * ipcount)) & 0xffffffff;
}
if (*maskval)
{
memset(mask, 0, sizeof(unsigned) * 4);
if (strchr(maskval, '.'))
{
if (family != AF_INET)
return (0);
if (sscanf(maskval, "%u.%u.%u.%u", mask + 0, mask + 1, mask + 2, mask + 3) != 4)
return (0);
mask[3] |= ((((mask[0] << 8) | mask[1]) << 8) | mask[2]) << 8;
mask[0] = mask[1] = mask[2] = 0;
}
else
{
i = atoi(maskval);
#ifdef AF_INET6
if (family == AF_INET6)
{
if (i > 128)
return (0);
i = 128 - i;
if (i <= 96)
mask[0] = 0xffffffff;
else
mask[0] = (0xffffffff << (i - 96)) & 0xffffffff;
if (i <= 64)
mask[1] = 0xffffffff;
else if (i >= 96)
mask[1] = 0;
else
mask[1] = (0xffffffff << (i - 64)) & 0xffffffff;
if (i <= 32)
mask[2] = 0xffffffff;
else if (i >= 64)
mask[2] = 0;
else
mask[2] = (0xffffffff << (i - 32)) & 0xffffffff;
if (i == 0)
mask[3] = 0xffffffff;
else if (i >= 32)
mask[3] = 0;
else
mask[3] = (0xffffffff << i) & 0xffffffff;
}
else
#endif
{
if (i > 32)
return (0);
mask[0] = 0xffffffff;
mask[1] = 0xffffffff;
mask[2] = 0xffffffff;
if (i < 32)
mask[3] = (0xffffffff << (32 - i)) & 0xffffffff;
else
mask[3] = 0xffffffff;
}
}
}
cupsdLogMessage(CUPSD_LOG_DEBUG2,
"get_addr_and_mask(value=\"%s\", "
"ip=[%08x:%08x:%08x:%08x], mask=[%08x:%08x:%08x:%08x])",
value, ip[0], ip[1], ip[2], ip[3], mask[0], mask[1], mask[2],
mask[3]);
if ((ip[0] & ~mask[0]) != 0 ||
(ip[1] & ~mask[1]) != 0 ||
(ip[2] & ~mask[2]) != 0 ||
(ip[3] & ~mask[3]) != 0)
return (0);
return (1);
}
static int
parse_aaa(cupsd_location_t *loc,
char *line,
char *value,
int linenum)
{
char *valptr;
unsigned ip[4],
mask[4];
if (!strcasecmp(line, "Encryption"))
{
if (!strcasecmp(value, "never"))
loc->encryption = HTTP_ENCRYPT_NEVER;
else if (!strcasecmp(value, "always"))
{
cupsdLogMessage(CUPSD_LOG_ERROR,
"Encryption value \"%s\" on line %d is invalid in this "
"context. Using \"required\" instead.", value, linenum);
loc->encryption = HTTP_ENCRYPT_REQUIRED;
}
else if (!strcasecmp(value, "required"))
loc->encryption = HTTP_ENCRYPT_REQUIRED;
else if (!strcasecmp(value, "ifrequested"))
loc->encryption = HTTP_ENCRYPT_IF_REQUESTED;
else
{
cupsdLogMessage(CUPSD_LOG_ERROR,
"Unknown Encryption value %s on line %d.", value, linenum);
return (0);
}
}
else if (!strcasecmp(line, "Order"))
{
if (!strncasecmp(value, "deny", 4))
loc->order_type = CUPSD_AUTH_ALLOW;
else if (!strncasecmp(value, "allow", 5))
loc->order_type = CUPSD_AUTH_DENY;
else
{
cupsdLogMessage(CUPSD_LOG_ERROR, "Unknown Order value %s on line %d.",
value, linenum);
return (0);
}
}
else if (!strcasecmp(line, "Allow") || !strcasecmp(line, "Deny"))
{
while (*value)
{
if (!strncasecmp(value, "from", 4))
{
value += 4;
while (isspace(*value & 255))
value ++;
if (!*value)
break;
}
for (valptr = value; *valptr && !isspace(*valptr & 255); valptr ++);
while (isspace(*valptr & 255))
*valptr++ = '\0';
if (!strcasecmp(value, "all"))
{
if (!strcasecmp(line, "Allow"))
cupsdAllowIP(loc, zeros, zeros);
else
cupsdDenyIP(loc, zeros, zeros);
}
else if (!strcasecmp(value, "none"))
{
if (!strcasecmp(line, "Allow"))
cupsdAllowIP(loc, ones, zeros);
else
cupsdDenyIP(loc, ones, zeros);
}
#ifdef AF_INET6
else if (value[0] == '*' || value[0] == '.' ||
(!isdigit(value[0] & 255) && value[0] != '['))
#else
else if (value[0] == '*' || value[0] == '.' || !isdigit(value[0] & 255))
#endif
{
if (value[0] == '*')
value ++;
if (!strcasecmp(line, "Allow"))
cupsdAllowHost(loc, value);
else
cupsdDenyHost(loc, value);
}
else
{
if (!get_addr_and_mask(value, ip, mask))
{
cupsdLogMessage(CUPSD_LOG_ERROR, "Bad netmask value %s on line %d.",
value, linenum);
return (0);
}
if (!strcasecmp(line, "Allow"))
cupsdAllowIP(loc, ip, mask);
else
cupsdDenyIP(loc, ip, mask);
}
value = valptr;
}
}
else if (!strcasecmp(line, "AuthType"))
{
if (!strcasecmp(value, "none"))
{
loc->type = CUPSD_AUTH_NONE;
loc->level = CUPSD_AUTH_ANON;
}
else if (!strcasecmp(value, "basic"))
{
loc->type = CUPSD_AUTH_BASIC;
if (loc->level == CUPSD_AUTH_ANON)
loc->level = CUPSD_AUTH_USER;
}
else if (!strcasecmp(value, "digest"))
{
loc->type = CUPSD_AUTH_DIGEST;
if (loc->level == CUPSD_AUTH_ANON)
loc->level = CUPSD_AUTH_USER;
}
else if (!strcasecmp(value, "basicdigest"))
{
loc->type = CUPSD_AUTH_BASICDIGEST;
if (loc->level == CUPSD_AUTH_ANON)
loc->level = CUPSD_AUTH_USER;
}
else if (!strcasecmp(value, "default"))
{
loc->type = CUPSD_AUTH_DEFAULT;
if (loc->level == CUPSD_AUTH_ANON)
loc->level = CUPSD_AUTH_USER;
}
#ifdef HAVE_GSSAPI
else if (!strcasecmp(value, "negotiate"))
{
loc->type = CUPSD_AUTH_NEGOTIATE;
if (loc->level == CUPSD_AUTH_ANON)
loc->level = CUPSD_AUTH_USER;
}
#endif
else
{
cupsdLogMessage(CUPSD_LOG_WARN,
"Unknown authorization type %s on line %d.",
value, linenum);
return (0);
}
}
else if (!strcasecmp(line, "AuthClass"))
{
if (!strcasecmp(value, "anonymous"))
{
loc->type = CUPSD_AUTH_NONE;
loc->level = CUPSD_AUTH_ANON;
cupsdLogMessage(CUPSD_LOG_WARN,
"\"AuthClass %s\" is deprecated; consider removing "
"it from line %d.",
value, linenum);
}
else if (!strcasecmp(value, "user"))
{
loc->level = CUPSD_AUTH_USER;
cupsdLogMessage(CUPSD_LOG_WARN,
"\"AuthClass %s\" is deprecated; consider using "
"\"Require valid-user\" on line %d.",
value, linenum);
}
else if (!strcasecmp(value, "group"))
{
loc->level = CUPSD_AUTH_GROUP;
cupsdLogMessage(CUPSD_LOG_WARN,
"\"AuthClass %s\" is deprecated; consider using "
"\"Require user @groupname\" on line %d.",
value, linenum);
}
else if (!strcasecmp(value, "system"))
{
loc->level = CUPSD_AUTH_GROUP;
cupsdAddName(loc, "@SYSTEM");
cupsdLogMessage(CUPSD_LOG_WARN,
"\"AuthClass %s\" is deprecated; consider using "
"\"Require user @SYSTEM\" on line %d.",
value, linenum);
}
else
{
cupsdLogMessage(CUPSD_LOG_WARN,
"Unknown authorization class %s on line %d.",
value, linenum);
return (0);
}
}
else if (!strcasecmp(line, "AuthGroupName"))
{
cupsdAddName(loc, value);
cupsdLogMessage(CUPSD_LOG_WARN,
"\"AuthGroupName %s\" directive is deprecated; consider "
"using \"Require user @%s\" on line %d.",
value, value, linenum);
}
else if (!strcasecmp(line, "Require"))
{
for (valptr = value; !isspace(*valptr & 255) && *valptr; valptr ++);
if (*valptr)
*valptr++ = '\0';
if (!strcasecmp(value, "valid-user") ||
!strcasecmp(value, "user"))
loc->level = CUPSD_AUTH_USER;
else if (!strcasecmp(value, "group"))
loc->level = CUPSD_AUTH_GROUP;
else
{
cupsdLogMessage(CUPSD_LOG_WARN, "Unknown Require type %s on line %d.",
value, linenum);
return (0);
}
for (value = valptr; *value;)
{
while (isspace(*value & 255))
value ++;
#ifdef HAVE_AUTHORIZATION_H
if (!strncmp(value, "@AUTHKEY(", 9))
{
for (valptr = value + 9; *valptr != ')' && *valptr; valptr ++);
if (*valptr)
*valptr++ = '\0';
}
else
#endif
if (*value == '\"' || *value == '\'')
{
for (valptr = value + 1; *valptr != *value && *valptr; valptr ++);
value ++;
}
else
{
for (valptr = value; !isspace(*valptr & 255) && *valptr; valptr ++);
}
if (*valptr)
*valptr++ = '\0';
cupsdAddName(loc, value);
for (value = valptr; isspace(*value & 255); value ++);
}
}
else if (!strcasecmp(line, "Satisfy"))
{
if (!strcasecmp(value, "all"))
loc->satisfy = CUPSD_AUTH_SATISFY_ALL;
else if (!strcasecmp(value, "any"))
loc->satisfy = CUPSD_AUTH_SATISFY_ANY;
else
{
cupsdLogMessage(CUPSD_LOG_WARN, "Unknown Satisfy value %s on line %d.",
value, linenum);
return (0);
}
}
else
return (0);
return (1);
}
static int
parse_fatal_errors(const char *s)
{
int fatal;
char value[1024],
*valstart,
*valend;
if (!s)
return (CUPSD_FATAL_NONE);
strlcpy(value, s, sizeof(value));
fatal = CUPSD_FATAL_NONE;
for (valstart = value; *valstart;)
{
for (valend = valstart; *valend; valend ++)
if (isspace(*valend & 255) || *valend == ',')
break;
if (*valend)
*valend++ = '\0';
if (!strcasecmp(valstart, "all"))
fatal = CUPSD_FATAL_ALL;
else if (!strcasecmp(valstart, "browse"))
fatal |= CUPSD_FATAL_BROWSE;
else if (!strcasecmp(valstart, "-browse"))
fatal &= ~CUPSD_FATAL_BROWSE;
else if (!strcasecmp(valstart, "config"))
fatal |= CUPSD_FATAL_CONFIG;
else if (!strcasecmp(valstart, "-config"))
fatal &= ~CUPSD_FATAL_CONFIG;
else if (!strcasecmp(valstart, "listen"))
fatal |= CUPSD_FATAL_LISTEN;
else if (!strcasecmp(valstart, "-listen"))
fatal &= ~CUPSD_FATAL_LISTEN;
else if (!strcasecmp(valstart, "log"))
fatal |= CUPSD_FATAL_LOG;
else if (!strcasecmp(valstart, "-log"))
fatal &= ~CUPSD_FATAL_LOG;
else if (!strcasecmp(valstart, "permissions"))
fatal |= CUPSD_FATAL_PERMISSIONS;
else if (!strcasecmp(valstart, "-permissions"))
fatal &= ~CUPSD_FATAL_PERMISSIONS;
else if (strcasecmp(valstart, "none"))
cupsdLogMessage(CUPSD_LOG_ERROR,
"Unknown FatalErrors kind \"%s\" ignored!", valstart);
for (valstart = valend; *valstart; valstart ++)
if (!isspace(*valstart & 255) || *valstart != ',')
break;
}
return (fatal);
}
static int
parse_groups(const char *s)
{
int status;
char value[1024],
*valstart,
*valend,
quote;
struct group *group;
strlcpy(value, s, sizeof(value));
status = 1;
valstart = value;
while (*valstart && NumSystemGroups < MAX_SYSTEM_GROUPS)
{
if (*valstart == '\'' || *valstart == '\"')
{
quote = *valstart++;
for (valend = valstart; *valend; valend ++)
if (*valend == quote)
break;
}
else
{
for (valend = valstart; *valend; valend ++)
if (isspace(*valend) || *valend == ',')
break;
}
if (*valend)
*valend++ = '\0';
group = getgrnam(valstart);
if (group)
{
cupsdSetString(SystemGroups + NumSystemGroups, valstart);
SystemGroupIDs[NumSystemGroups] = group->gr_gid;
NumSystemGroups ++;
}
else
status = 0;
endgrent();
valstart = valend;
while (*valstart == ',' || isspace(*valstart))
valstart ++;
}
return (status);
}
static int
parse_protocols(const char *s)
{
int protocols;
char value[1024],
*valstart,
*valend;
if (!s)
return (0);
strlcpy(value, s, sizeof(value));
protocols = 0;
for (valstart = value; *valstart;)
{
for (valend = valstart; *valend; valend ++)
if (isspace(*valend & 255) || *valend == ',')
break;
if (*valend)
*valend++ = '\0';
if (!strcasecmp(valstart, "cups"))
protocols |= BROWSE_CUPS;
else if (!strcasecmp(valstart, "slp"))
protocols |= BROWSE_SLP;
else if (!strcasecmp(valstart, "ldap"))
protocols |= BROWSE_LDAP;
else if (!strcasecmp(valstart, "dnssd") ||
!strcasecmp(valstart, "dns-sd") ||
!strcasecmp(valstart, "bonjour"))
protocols |= BROWSE_DNSSD;
else if (!strcasecmp(valstart, "lpd"))
protocols |= BROWSE_LPD;
else if (!strcasecmp(valstart, "smb"))
protocols |= BROWSE_SMB;
else if (!strcasecmp(valstart, "all"))
protocols |= BROWSE_ALL;
else if (strcasecmp(valstart, "none"))
cupsdLogMessage(CUPSD_LOG_ERROR,
"Unknown browse protocol \"%s\" ignored!", valstart);
for (valstart = valend; *valstart; valstart ++)
if (!isspace(*valstart & 255) || *valstart != ',')
break;
}
return (protocols);
}
static int
read_configuration(cups_file_t *fp)
{
int i;
int linenum;
char line[HTTP_MAX_BUFFER],
temp[HTTP_MAX_BUFFER],
temp2[HTTP_MAX_BUFFER],
*ptr,
*value,
*valueptr;
int valuelen;
cupsd_var_t const *var;
http_addrlist_t *addrlist,
*addr;
unsigned ip[4],
mask[4];
cupsd_dirsvc_relay_t *relay;
cupsd_dirsvc_poll_t *pollp;
cupsd_location_t *location;
cups_file_t *incfile;
char incname[1024];
struct group *group;
linenum = 0;
while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum))
{
if (!strcasecmp(line, "Include") && value)
{
if (value[0] == '/')
strlcpy(incname, value, sizeof(incname));
else
snprintf(incname, sizeof(incname), "%s/%s", ServerRoot, value);
if ((incfile = cupsFileOpen(incname, "rb")) == NULL)
cupsdLogMessage(CUPSD_LOG_ERROR,
"Unable to include config file \"%s\" - %s",
incname, strerror(errno));
else
{
read_configuration(incfile);
cupsFileClose(incfile);
}
}
else if (!strcasecmp(line, "<Location") && value)
{
linenum = read_location(fp, value, linenum);
if (linenum == 0)
return (0);
}
else if (!strcasecmp(line, "<Policy") && value)
{
linenum = read_policy(fp, value, linenum);
if (linenum == 0)
return (0);
}
else if (!strcasecmp(line, "FatalErrors"))
FatalErrors = parse_fatal_errors(value);
else if (!strcasecmp(line, "FaxRetryInterval") && value)
{
JobRetryInterval = atoi(value);
cupsdLogMessage(CUPSD_LOG_WARN,
"FaxRetryInterval is deprecated; use "
"JobRetryInterval on line %d.", linenum);
}
else if (!strcasecmp(line, "FaxRetryLimit") && value)
{
JobRetryLimit = atoi(value);
cupsdLogMessage(CUPSD_LOG_WARN,
"FaxRetryLimit is deprecated; use "
"JobRetryLimit on line %d.", linenum);
}
else if (!strcasecmp(line, "Port") || !strcasecmp(line, "Listen")
#ifdef HAVE_SSL
|| !strcasecmp(line, "SSLPort") || !strcasecmp(line, "SSLListen")
#endif
)
{
cupsd_listener_t *lis;
addrlist = get_address(value, IPP_PORT);
if (!addrlist)
{
cupsdLogMessage(CUPSD_LOG_ERROR, "Bad %s address %s at line %d.", line,
value, linenum);
continue;
}
for (addr = addrlist; addr; addr = addr->next)
{
for (lis = (cupsd_listener_t *)cupsArrayFirst(Listeners);
lis;
lis = (cupsd_listener_t *)cupsArrayNext(Listeners))
if (httpAddrEqual(&(addr->addr), &(lis->address)) &&
_httpAddrPort(&(addr->addr)) == _httpAddrPort(&(lis->address)))
break;
if (lis)
{
httpAddrString(&lis->address, temp, sizeof(temp));
cupsdLogMessage(CUPSD_LOG_WARN,
"Duplicate listen address \"%s\" ignored!", temp);
continue;
}
if (!Listeners)
Listeners = cupsArrayNew(NULL, NULL);
if (!Listeners)
{
cupsdLogMessage(CUPSD_LOG_ERROR,
"Unable to allocate %s at line %d - %s.",
line, linenum, strerror(errno));
break;
}
if ((lis = calloc(1, sizeof(cupsd_listener_t))) == NULL)
{
cupsdLogMessage(CUPSD_LOG_ERROR,
"Unable to allocate %s at line %d - %s.",
line, linenum, strerror(errno));
break;
}
cupsArrayAdd(Listeners, lis);
memcpy(&(lis->address), &(addr->addr), sizeof(lis->address));
lis->fd = -1;
#ifdef HAVE_SSL
if (!strcasecmp(line, "SSLPort") || !strcasecmp(line, "SSLListen"))
lis->encryption = HTTP_ENCRYPT_ALWAYS;
#endif
httpAddrString(&lis->address, temp, sizeof(temp));
#ifdef AF_INET6
if (lis->address.addr.sa_family == AF_INET6)
cupsdLogMessage(CUPSD_LOG_INFO, "Listening to %s:%d (IPv6)", temp,
ntohs(lis->address.ipv6.sin6_port));
else
#endif
#ifdef AF_LOCAL
if (lis->address.addr.sa_family == AF_LOCAL)
cupsdLogMessage(CUPSD_LOG_INFO, "Listening to %s (Domain)", temp);
else
#endif
cupsdLogMessage(CUPSD_LOG_INFO, "Listening to %s:%d (IPv4)", temp,
ntohs(lis->address.ipv4.sin_port));
if (!httpAddrLocalhost(&(lis->address)))
{
#ifdef AF_INET6
if (lis->address.addr.sa_family == AF_INET6)
RemotePort = ntohs(lis->address.ipv6.sin6_port);
else
#endif
RemotePort = ntohs(lis->address.ipv4.sin_port);
}
}
httpAddrFreeList(addrlist);
}
else if (!strcasecmp(line, "BrowseAddress") && value)
{
cupsd_dirsvc_addr_t *dira;
if (NumBrowsers == 0)
dira = malloc(sizeof(cupsd_dirsvc_addr_t));
else
dira = realloc(Browsers, (NumBrowsers + 1) * sizeof(cupsd_dirsvc_addr_t));
if (!dira)
{
cupsdLogMessage(CUPSD_LOG_ERROR,
"Unable to allocate BrowseAddress at line %d - %s.",
linenum, strerror(errno));
continue;
}
Browsers = dira;
dira += NumBrowsers;
memset(dira, 0, sizeof(cupsd_dirsvc_addr_t));
if (!strcasecmp(value, "@LOCAL"))
{
strcpy(dira->iface, "*");
NumBrowsers ++;
}
else if (!strncasecmp(value, "@IF(", 4))
{
strlcpy(dira->iface, value + 4, sizeof(Browsers[0].iface));
ptr = dira->iface + strlen(dira->iface) - 1;
if (*ptr == ')')
*ptr = '\0';
NumBrowsers ++;
}
else if ((addrlist = get_address(value, BrowsePort)) != NULL)
{
for (addr = addrlist; addr; addr = addr->next)
if (addr->addr.addr.sa_family == AF_INET)
break;
if (addr)
{
memcpy(&(dira->to), &(addrlist->addr), sizeof(dira->to));
httpAddrString(&(dira->to), temp, sizeof(temp));
cupsdLogMessage(CUPSD_LOG_INFO,
"Sending browsing info to %s:%d (IPv4)",
temp, ntohs(dira->to.ipv4.sin_port));
NumBrowsers ++;
}
else
cupsdLogMessage(CUPSD_LOG_ERROR, "Bad BrowseAddress %s at line %d.",
value, linenum);
httpAddrFreeList(addrlist);
}
else
cupsdLogMessage(CUPSD_LOG_ERROR, "Bad BrowseAddress %s at line %d.",
value, linenum);
}
else if (!strcasecmp(line, "BrowseOrder") && value)
{
if ((location = cupsdFindLocation("CUPS_INTERNAL_BROWSE_ACL")) == NULL)
location = cupsdAddLocation("CUPS_INTERNAL_BROWSE_ACL");
if (location == NULL)
cupsdLogMessage(CUPSD_LOG_ERROR,
"Unable to initialize browse access control list!");
else if (!strncasecmp(value, "deny", 4))
location->order_type = CUPSD_AUTH_ALLOW;
else if (!strncasecmp(value, "allow", 5))
location->order_type = CUPSD_AUTH_DENY;
else
cupsdLogMessage(CUPSD_LOG_ERROR,
"Unknown BrowseOrder value %s on line %d.",
value, linenum);
}
else if (!strcasecmp(line, "BrowseProtocols") ||
!strcasecmp(line, "BrowseLocalProtocols") ||
!strcasecmp(line, "BrowseRemoteProtocols"))
{
int protocols = parse_protocols(value);
if (protocols < 0)
{
cupsdLogMessage(CUPSD_LOG_ERROR,
"Unknown browse protocol \"%s\" on line %d.",
value, linenum);
break;
}
if (strcasecmp(line, "BrowseLocalProtocols"))
BrowseRemoteProtocols = protocols;
if (strcasecmp(line, "BrowseRemoteProtocols"))
BrowseLocalProtocols = protocols;
}
else if ((!strcasecmp(line, "BrowseAllow") ||
!strcasecmp(line, "BrowseDeny")) && value)
{
if ((location = cupsdFindLocation("CUPS_INTERNAL_BROWSE_ACL")) == NULL)
location = cupsdAddLocation("CUPS_INTERNAL_BROWSE_ACL");
if (location == NULL)
cupsdLogMessage(CUPSD_LOG_ERROR,
"Unable to initialize browse access control list!");
else
{
while (*value)
{
if (!strncasecmp(value, "from", 4))
{
value += 4;
while (isspace(*value & 255))
value ++;
if (!*value)
break;
}
for (valueptr = value; *valueptr && !isspace(*valueptr & 255); valueptr ++);
while (isspace(*valueptr & 255))
*valueptr++ = '\0';
if (!strcasecmp(value, "all"))
{
if (!strcasecmp(line, "BrowseAllow"))
cupsdAllowIP(location, zeros, zeros);
else
cupsdDenyIP(location, zeros, zeros);
}
else if (!strcasecmp(value, "none"))
{
if (!strcasecmp(line, "BrowseAllow"))
cupsdAllowIP(location, ones, zeros);
else
cupsdDenyIP(location, ones, zeros);
}
#ifdef AF_INET6
else if (value[0] == '*' || value[0] == '.' ||
(!isdigit(value[0] & 255) && value[0] != '['))
#else
else if (value[0] == '*' || value[0] == '.' || !isdigit(value[0] & 255))
#endif
{
if (value[0] == '*')
value ++;
if (!strcasecmp(line, "BrowseAllow"))
cupsdAllowHost(location, value);
else
cupsdDenyHost(location, value);
}
else
{
if (!get_addr_and_mask(value, ip, mask))
{
cupsdLogMessage(CUPSD_LOG_ERROR, "Bad netmask value %s on line %d.",
value, linenum);
break;
}
if (!strcasecmp(line, "BrowseAllow"))
cupsdAllowIP(location, ip, mask);
else
cupsdDenyIP(location, ip, mask);
}
value = valueptr;
}
}
}
else if (!strcasecmp(line, "BrowseRelay") && value)
{
if (NumRelays == 0)
relay = malloc(sizeof(cupsd_dirsvc_relay_t));
else
relay = realloc(Relays, (NumRelays + 1) * sizeof(cupsd_dirsvc_relay_t));
if (!relay)
{
cupsdLogMessage(CUPSD_LOG_ERROR,
"Unable to allocate BrowseRelay at line %d - %s.",
linenum, strerror(errno));
continue;
}
Relays = relay;
relay += NumRelays;
memset(relay, 0, sizeof(cupsd_dirsvc_relay_t));
if (!strncasecmp(value, "from ", 5))
{
value += 5;
while (isspace(*value))
value ++;
}
#ifdef AF_INET6
if (value[0] == '*' || value[0] == '.' ||
(!isdigit(value[0] & 255) && value[0] != '['))
#else
if (value[0] == '*' || value[0] == '.' || !isdigit(value[0] & 255))
#endif
{
if (value[0] == '*')
value ++;
strlcpy(temp, value, sizeof(temp));
if ((ptr = strchr(temp, ' ')) != NULL)
*ptr = '\0';
relay->from.type = CUPSD_AUTH_NAME;
if ((relay->from.mask.name.name = strdup(temp)) == NULL)
{
cupsdLogMessage(CUPSD_LOG_ERROR,
"Unable to allocate BrowseRelay name at line %d - %s.",
linenum, strerror(errno));
continue;
}
relay->from.mask.name.length = strlen(temp);
}
else
{
if (!get_addr_and_mask(value, ip, mask))
{
cupsdLogMessage(CUPSD_LOG_ERROR, "Bad netmask value %s on line %d.",
value, linenum);
break;
}
relay->from.type = CUPSD_AUTH_IP;
memcpy(relay->from.mask.ip.address, ip,
sizeof(relay->from.mask.ip.address));
memcpy(relay->from.mask.ip.netmask, mask,
sizeof(relay->from.mask.ip.netmask));
}
for (; *value; value ++)
if (isspace(*value))
break;
while (isspace(*value))
value ++;
if (!strncasecmp(value, "to ", 3))
{
value += 3;
while (isspace(*value))
value ++;
}
if ((addrlist = get_address(value, BrowsePort)) != NULL)
{
for (addr = addrlist; addr; addr = addr->next)
if (addr->addr.addr.sa_family == AF_INET)
break;
if (addr)
{
memcpy(&(relay->to), &(addrlist->addr), sizeof(relay->to));
httpAddrString(&(relay->to), temp, sizeof(temp));
if (relay->from.type == CUPSD_AUTH_IP)
snprintf(temp2, sizeof(temp2), "%u.%u.%u.%u/%u.%u.%u.%u",
relay->from.mask.ip.address[0] >> 24,
(relay->from.mask.ip.address[0] >> 16) & 255,
(relay->from.mask.ip.address[0] >> 8) & 255,
relay->from.mask.ip.address[0] & 255,
relay->from.mask.ip.netmask[0] >> 24,
(relay->from.mask.ip.netmask[0] >> 16) & 255,
(relay->from.mask.ip.netmask[0] >> 8) & 255,
relay->from.mask.ip.netmask[0] & 255);
else
strlcpy(temp2, relay->from.mask.name.name, sizeof(temp2));
cupsdLogMessage(CUPSD_LOG_INFO, "Relaying from %s to %s:%d (IPv4)",
temp2, temp, ntohs(relay->to.ipv4.sin_port));
NumRelays ++;
}
else
cupsdLogMessage(CUPSD_LOG_ERROR, "Bad relay address %s at line %d.",
value, linenum);
httpAddrFreeList(addrlist);
}
else
{
if (relay->from.type == CUPSD_AUTH_NAME)
free(relay->from.mask.name.name);
cupsdLogMessage(CUPSD_LOG_ERROR, "Bad relay address %s at line %d.",
value, linenum);
}
}
else if (!strcasecmp(line, "BrowsePoll") && value)
{
char *portname;
int portnum;
struct servent *service;
if ((portname = strrchr(value, ':')) != NULL && !strchr(portname, ']'))
{
*portname++ = '\0';
if (isdigit(*portname & 255))
portnum = atoi(portname);
else if ((service = getservbyname(portname, NULL)) != NULL)
portnum = ntohs(service->s_port);
else
{
cupsdLogMessage(CUPSD_LOG_ERROR, "Lookup of service \"%s\" failed!",
portname);
continue;
}
}
else
portnum = ippPort();
if (NumPolled == 0)
pollp = malloc(sizeof(cupsd_dirsvc_poll_t));
else
pollp = realloc(Polled, (NumPolled + 1) * sizeof(cupsd_dirsvc_poll_t));
if (!pollp)
{
cupsdLogMessage(CUPSD_LOG_ERROR,
"Unable to allocate BrowsePoll at line %d - %s.",
linenum, strerror(errno));
continue;
}
Polled = pollp;
pollp += NumPolled;
NumPolled ++;
memset(pollp, 0, sizeof(cupsd_dirsvc_poll_t));
strlcpy(pollp->hostname, value, sizeof(pollp->hostname));
pollp->port = portnum;
cupsdLogMessage(CUPSD_LOG_INFO, "Polling %s:%d", pollp->hostname,
pollp->port);
}
else if (!strcasecmp(line, "DefaultAuthType") && value)
{
if (!strcasecmp(value, "none"))
DefaultAuthType = CUPSD_AUTH_NONE;
else if (!strcasecmp(value, "basic"))
DefaultAuthType = CUPSD_AUTH_BASIC;
else if (!strcasecmp(value, "digest"))
DefaultAuthType = CUPSD_AUTH_DIGEST;
else if (!strcasecmp(value, "basicdigest"))
DefaultAuthType = CUPSD_AUTH_BASICDIGEST;
#ifdef HAVE_GSSAPI
else if (!strcasecmp(value, "negotiate"))
DefaultAuthType = CUPSD_AUTH_NEGOTIATE;
#endif
else
{
cupsdLogMessage(CUPSD_LOG_WARN,
"Unknown default authorization type %s on line %d.",
value, linenum);
if (FatalErrors & CUPSD_FATAL_CONFIG)
return (0);
}
}
#ifdef HAVE_SSL
else if (!strcasecmp(line, "DefaultEncryption"))
{
if (!value || !strcasecmp(value, "never"))
DefaultEncryption = HTTP_ENCRYPT_NEVER;
else if (!strcasecmp(value, "required"))
DefaultEncryption = HTTP_ENCRYPT_REQUIRED;
else if (!strcasecmp(value, "ifrequested"))
DefaultEncryption = HTTP_ENCRYPT_IF_REQUESTED;
else
{
cupsdLogMessage(CUPSD_LOG_WARN,
"Unknown default encryption %s on line %d.",
value, linenum);
if (FatalErrors & CUPSD_FATAL_CONFIG)
return (0);
}
}
#endif
else if (!strcasecmp(line, "User") && value)
{
if (isdigit(value[0] & 255))
{
int uid = atoi(value);
if (!uid)
cupsdLogMessage(CUPSD_LOG_ERROR,
"Will not use User 0 as specified on line %d "
"for security reasons. You must use a non-"
"privileged account instead.",
linenum);
else
User = atoi(value);
}
else
{
struct passwd *p;
endpwent();
p = getpwnam(value);
if (p)
{
if (!p->pw_uid)
cupsdLogMessage(CUPSD_LOG_ERROR,
"Will not use User %s (UID=0) as specified on line "
"%d for security reasons. You must use a non-"
"privileged account instead.",
value, linenum);
else
User = p->pw_uid;
}
else
cupsdLogMessage(CUPSD_LOG_ERROR,
"Unknown User \"%s\" on line %d, ignoring!",
value, linenum);
}
}
else if (!strcasecmp(line, "Group") && value)
{
if (isdigit(value[0]))
Group = atoi(value);
else
{
endgrent();
group = getgrnam(value);
if (group != NULL)
Group = group->gr_gid;
else
cupsdLogMessage(CUPSD_LOG_ERROR,
"Unknown Group \"%s\" on line %d, ignoring!",
value, linenum);
}
}
else if (!strcasecmp(line, "SystemGroup") && value)
{
if (!parse_groups(value))
cupsdLogMessage(CUPSD_LOG_ERROR,
"Unknown SystemGroup \"%s\" on line %d, ignoring!",
value, linenum);
}
else if (!strcasecmp(line, "HostNameLookups") && value)
{
if (!strcasecmp(value, "off") || !strcasecmp(value, "no") ||
!strcasecmp(value, "false"))
HostNameLookups = 0;
else if (!strcasecmp(value, "on") || !strcasecmp(value, "yes") ||
!strcasecmp(value, "true"))
HostNameLookups = 1;
else if (!strcasecmp(value, "double"))
HostNameLookups = 2;
else
cupsdLogMessage(CUPSD_LOG_WARN, "Unknown HostNameLookups %s on line %d.",
value, linenum);
}
else if (!strcasecmp(line, "AccessLogLevel") && value)
{
if (!strcasecmp(value, "all"))
AccessLogLevel = CUPSD_ACCESSLOG_ALL;
else if (!strcasecmp(value, "actions"))
AccessLogLevel = CUPSD_ACCESSLOG_ACTIONS;
else if (!strcasecmp(value, "config"))
AccessLogLevel = CUPSD_ACCESSLOG_CONFIG;
else
cupsdLogMessage(CUPSD_LOG_WARN, "Unknown AccessLogLevel %s on line %d.",
value, linenum);
}
else if (!strcasecmp(line, "LogLevel") && value)
{
if (!strcasecmp(value, "debug2"))
LogLevel = CUPSD_LOG_DEBUG2;
else if (!strcasecmp(value, "debug"))
LogLevel = CUPSD_LOG_DEBUG;
else if (!strcasecmp(value, "info"))
LogLevel = CUPSD_LOG_INFO;
else if (!strcasecmp(value, "notice"))
LogLevel = CUPSD_LOG_NOTICE;
else if (!strcasecmp(value, "warn"))
LogLevel = CUPSD_LOG_WARN;
else if (!strcasecmp(value, "error"))
LogLevel = CUPSD_LOG_ERROR;
else if (!strcasecmp(value, "crit"))
LogLevel = CUPSD_LOG_CRIT;
else if (!strcasecmp(value, "alert"))
LogLevel = CUPSD_LOG_ALERT;
else if (!strcasecmp(value, "emerg"))
LogLevel = CUPSD_LOG_EMERG;
else if (!strcasecmp(value, "none"))
LogLevel = CUPSD_LOG_NONE;
else
cupsdLogMessage(CUPSD_LOG_WARN, "Unknown LogLevel %s on line %d.",
value, linenum);
}
else if (!strcasecmp(line, "LogTimeFormat") && value)
{
if (!strcasecmp(value, "standard"))
LogTimeFormat = CUPSD_TIME_STANDARD;
else if (!strcasecmp(value, "usecs"))
LogTimeFormat = CUPSD_TIME_USECS;
else
cupsdLogMessage(CUPSD_LOG_WARN, "Unknown LogTimeFormat %s on line %d.",
value, linenum);
}
else if (!strcasecmp(line, "PrintcapFormat") && value)
{
if (!strcasecmp(value, "bsd"))
PrintcapFormat = PRINTCAP_BSD;
else if (!strcasecmp(value, "plist"))
PrintcapFormat = PRINTCAP_PLIST;
else if (!strcasecmp(value, "solaris"))
PrintcapFormat = PRINTCAP_SOLARIS;
else
cupsdLogMessage(CUPSD_LOG_WARN, "Unknown PrintcapFormat %s on line %d.",
value, linenum);
}
else if (!strcasecmp(line, "ServerTokens") && value)
{
struct utsname plat;
uname(&plat);
if (!strcasecmp(value, "ProductOnly"))
cupsdSetString(&ServerHeader, "CUPS");
else if (!strcasecmp(value, "Major"))
cupsdSetString(&ServerHeader, "CUPS/1");
else if (!strcasecmp(value, "Minor"))
cupsdSetString(&ServerHeader, "CUPS/1.4");
else if (!strcasecmp(value, "Minimal"))
cupsdSetString(&ServerHeader, CUPS_MINIMAL);
else if (!strcasecmp(value, "OS"))
cupsdSetStringf(&ServerHeader, CUPS_MINIMAL " (%s)", plat.sysname);
else if (!strcasecmp(value, "Full"))
cupsdSetStringf(&ServerHeader, CUPS_MINIMAL " (%s) IPP/1.1",
plat.sysname);
else if (!strcasecmp(value, "None"))
cupsdClearString(&ServerHeader);
else
cupsdLogMessage(CUPSD_LOG_WARN, "Unknown ServerTokens %s on line %d.",
value, linenum);
}
else if (!strcasecmp(line, "PassEnv") && value)
{
for (; *value;)
{
for (valuelen = 0; value[valuelen]; valuelen ++)
if (isspace(value[valuelen]) || value[valuelen] == ',')
break;
if (value[valuelen])
{
value[valuelen] = '\0';
valuelen ++;
}
cupsdSetEnv(value, NULL);
for (value += valuelen; *value; value ++)
if (!isspace(*value) || *value != ',')
break;
}
}
else if (!strcasecmp(line, "ServerAlias") && value)
{
if (!ServerAlias)
ServerAlias = cupsArrayNew(NULL, NULL);
cupsdAddAlias(ServerAlias, value);
}
else if (!strcasecmp(line, "SetEnv") && value)
{
for (valueptr = value; *valueptr && !isspace(*valueptr & 255); valueptr ++);
if (*valueptr)
{
while (isspace(*valueptr & 255))
*valueptr++ = '\0';
cupsdSetEnv(value, valueptr);
}
else
cupsdLogMessage(CUPSD_LOG_ERROR,
"Missing value for SetEnv directive on line %d.",
linenum);
}
#ifdef HAVE_SSL
else if (!strcasecmp(line, "SSLOptions"))
{
if (!value || !strcasecmp(value, "none"))
SSLOptions = CUPSD_SSL_NONE;
else if (!strcasecmp(value, "noemptyfragments"))
SSLOptions = CUPSD_SSL_NOEMPTY;
else
cupsdLogMessage(CUPSD_LOG_ERROR,
"Unknown value \"%s\" for SSLOptions directive on "
"line %d.", value, linenum);
}
#endif
else
{
for (i = NUM_VARS, var = variables; i > 0; i --, var ++)
if (!strcasecmp(line, var->name))
break;
if (i == 0)
{
if (!value)
cupsdLogMessage(CUPSD_LOG_ERROR, "Missing value for %s on line %d.",
line, linenum);
else
cupsdLogMessage(CUPSD_LOG_ERROR, "Unknown directive %s on line %d.",
line, linenum);
continue;
}
switch (var->type)
{
case CUPSD_VARTYPE_INTEGER :
if (!value)
cupsdLogMessage(CUPSD_LOG_ERROR,
"Missing integer value for %s on line %d!",
line, linenum);
else
{
int n;
char *units;
n = strtol(value, &units, 0);
if (units && *units)
{
if (tolower(units[0] & 255) == 'g')
n *= 1024 * 1024 * 1024;
else if (tolower(units[0] & 255) == 'm')
n *= 1024 * 1024;
else if (tolower(units[0] & 255) == 'k')
n *= 1024;
else if (tolower(units[0] & 255) == 't')
n *= 262144;
}
if (n < 0)
cupsdLogMessage(CUPSD_LOG_ERROR,
"Bad negative integer value for %s on line %d!",
line, linenum);
else
*((int *)var->ptr) = n;
}
break;
case CUPSD_VARTYPE_BOOLEAN :
if (!value)
cupsdLogMessage(CUPSD_LOG_ERROR,
"Missing boolean value for %s on line %d!",
line, linenum);
else if (!strcasecmp(value, "true") ||
!strcasecmp(value, "on") ||
!strcasecmp(value, "enabled") ||
!strcasecmp(value, "yes") ||
atoi(value) != 0)
*((int *)var->ptr) = TRUE;
else if (!strcasecmp(value, "false") ||
!strcasecmp(value, "off") ||
!strcasecmp(value, "disabled") ||
!strcasecmp(value, "no") ||
!strcasecmp(value, "0"))
*((int *)var->ptr) = FALSE;
else
cupsdLogMessage(CUPSD_LOG_ERROR,
"Unknown boolean value %s on line %d.",
value, linenum);
break;
case CUPSD_VARTYPE_PATHNAME :
if (!value)
{
cupsdLogMessage(CUPSD_LOG_ERROR,
"Missing pathname value for %s on line %d!",
line, linenum);
break;
}
if (value[0] == '/')
strlcpy(temp, value, sizeof(temp));
else
snprintf(temp, sizeof(temp), "%s/%s", ServerRoot, value);
if (access(temp, 0))
{
cupsdLogMessage(CUPSD_LOG_ERROR,
"File or directory for \"%s %s\" on line %d "
"does not exist!", line, value, linenum);
break;
}
case CUPSD_VARTYPE_STRING :
cupsdSetString((char **)var->ptr, value);
break;
}
}
}
return (1);
}
static int
read_location(cups_file_t *fp,
char *location,
int linenum)
{
cupsd_location_t *loc,
*parent;
char line[HTTP_MAX_BUFFER],
*value,
*valptr;
if ((parent = cupsdAddLocation(location)) == NULL)
return (0);
parent->limit = CUPSD_AUTH_LIMIT_ALL;
loc = parent;
while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum))
{
if (!strcasecmp(line, "</Location>"))
return (linenum);
else if (!strcasecmp(line, "<Limit") ||
!strcasecmp(line, "<LimitExcept"))
{
if (!value)
{
cupsdLogMessage(CUPSD_LOG_ERROR, "Syntax error on line %d.", linenum);
if (FatalErrors & CUPSD_FATAL_CONFIG)
return (0);
else
continue;
}
if ((loc = cupsdCopyLocation(&parent)) == NULL)
return (0);
loc->limit = 0;
while (*value)
{
for (valptr = value; !isspace(*valptr & 255) && *valptr; valptr ++);
if (*valptr)
*valptr++ = '\0';
if (!strcmp(value, "ALL"))
loc->limit = CUPSD_AUTH_LIMIT_ALL;
else if (!strcmp(value, "GET"))
loc->limit |= CUPSD_AUTH_LIMIT_GET;
else if (!strcmp(value, "HEAD"))
loc->limit |= CUPSD_AUTH_LIMIT_HEAD;
else if (!strcmp(value, "OPTIONS"))
loc->limit |= CUPSD_AUTH_LIMIT_OPTIONS;
else if (!strcmp(value, "POST"))
loc->limit |= CUPSD_AUTH_LIMIT_POST;
else if (!strcmp(value, "PUT"))
loc->limit |= CUPSD_AUTH_LIMIT_PUT;
else if (!strcmp(value, "TRACE"))
loc->limit |= CUPSD_AUTH_LIMIT_TRACE;
else
cupsdLogMessage(CUPSD_LOG_WARN, "Unknown request type %s on line %d!",
value, linenum);
for (value = valptr; isspace(*value & 255); value ++);
}
if (!strcasecmp(line, "<LimitExcept"))
loc->limit = CUPSD_AUTH_LIMIT_ALL ^ loc->limit;
parent->limit &= ~loc->limit;
}
else if (!strcasecmp(line, "</Limit>") ||
!strcasecmp(line, "</LimitExcept>"))
loc = parent;
else if (!parse_aaa(loc, line, value, linenum))
{
cupsdLogMessage(CUPSD_LOG_ERROR,
"Unknown Location directive %s on line %d.",
line, linenum);
if (FatalErrors & CUPSD_FATAL_CONFIG)
return (0);
}
}
cupsdLogMessage(CUPSD_LOG_ERROR,
"Unexpected end-of-file at line %d while reading location!",
linenum);
return ((FatalErrors & CUPSD_FATAL_CONFIG) ? 0 : linenum);
}
static int
read_policy(cups_file_t *fp,
char *policy,
int linenum)
{
int i;
cupsd_policy_t *pol;
cupsd_location_t *op;
int num_ops;
ipp_op_t ops[100];
char line[HTTP_MAX_BUFFER],
*value,
*valptr;
if ((pol = cupsdAddPolicy(policy)) == NULL)
return (0);
op = NULL;
num_ops = 0;
while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum))
{
if (!strcasecmp(line, "</Policy>"))
{
if (op)
cupsdLogMessage(CUPSD_LOG_WARN,
"Missing </Limit> before </Policy> on line %d!",
linenum);
if ((op = cupsdFindPolicyOp(pol, CUPS_GET_DOCUMENT)) == NULL ||
op->op == IPP_ANY_OPERATION)
{
if ((op = cupsdFindPolicyOp(pol, IPP_SEND_DOCUMENT)) != NULL &&
op->op != IPP_ANY_OPERATION)
{
cupsdLogMessage(CUPSD_LOG_WARN,
"No limit for CUPS-Get-Document defined in policy %s "
"- using Send-Document's policy", pol->name);
cupsdAddPolicyOp(pol, op, CUPS_GET_DOCUMENT);
}
}
return (linenum);
}
else if (!strcasecmp(line, "<Limit") && !op)
{
if (!value)
{
cupsdLogMessage(CUPSD_LOG_ERROR, "Syntax error on line %d.", linenum);
if (FatalErrors & CUPSD_FATAL_CONFIG)
return (0);
else
continue;
}
num_ops = 0;
while (*value)
{
for (valptr = value; !isspace(*valptr & 255) && *valptr; valptr ++);
if (*valptr)
*valptr++ = '\0';
if (num_ops < (int)(sizeof(ops) / sizeof(ops[0])))
{
if (!strcasecmp(value, "All"))
ops[num_ops] = IPP_ANY_OPERATION;
else if ((ops[num_ops] = ippOpValue(value)) == IPP_BAD_OPERATION)
cupsdLogMessage(CUPSD_LOG_ERROR,
"Bad IPP operation name \"%s\" on line %d!",
value, linenum);
else
num_ops ++;
}
else
cupsdLogMessage(CUPSD_LOG_ERROR,
"Too many operations listed on line %d!",
linenum);
for (value = valptr; isspace(*value & 255); value ++);
}
if (num_ops == 0)
{
ops[0] = IPP_ANY_OPERATION;
num_ops = 1;
}
op = cupsdAddPolicyOp(pol, NULL, ops[0]);
}
else if (!strcasecmp(line, "</Limit>") && op)
{
if (num_ops > 1)
{
for (i = 1; i < num_ops; i ++)
cupsdAddPolicyOp(pol, op, ops[i]);
}
op = NULL;
}
else if (!op)
{
cupsdLogMessage(CUPSD_LOG_ERROR,
"Missing <Limit ops> directive before %s on line %d.",
line, linenum);
if (FatalErrors & CUPSD_FATAL_CONFIG)
return (0);
}
else if (!parse_aaa(op, line, value, linenum))
{
if (op)
cupsdLogMessage(CUPSD_LOG_ERROR,
"Unknown Policy Limit directive %s on line %d.",
line, linenum);
else
cupsdLogMessage(CUPSD_LOG_ERROR,
"Unknown Policy directive %s on line %d.",
line, linenum);
if (FatalErrors & CUPSD_FATAL_CONFIG)
return (0);
}
}
cupsdLogMessage(CUPSD_LOG_ERROR,
"Unexpected end-of-file at line %d while reading policy \"%s\"!",
linenum, policy);
return ((FatalErrors & CUPSD_FATAL_CONFIG) ? 0 : linenum);
}