10 #include "XrdVersion.hh"
19 #include <unordered_map>
24 #include "INIReader.h"
27 #include "scitokens/scitokens.h"
56 bool has_entry =
false;
63 ss << (has_entry ?
", " :
"") <<
"info";
67 ss << (has_entry ?
", " :
"") <<
"warning";
71 ss << (has_entry ?
", " :
"") <<
"error";
77 typedef std::vector<std::pair<Access_Operation, std::string>> AccessRulesRaw;
79 inline uint64_t monotonic_time() {
81 #ifdef CLOCK_MONOTONIC_COARSE
82 clock_gettime(CLOCK_MONOTONIC_COARSE, &tp);
84 clock_gettime(CLOCK_MONOTONIC, &tp);
86 return tp.tv_sec + (tp.tv_nsec >= 500000000);
91 int new_privs = privs;
158 std::string AccessRuleStr(
const AccessRulesRaw &rules) {
159 std::unordered_map<std::string, std::unique_ptr<std::stringstream>> rule_map;
160 for (
const auto &rule : rules) {
161 auto iter = rule_map.find(rule.second);
162 if (iter == rule_map.end()) {
163 auto result = rule_map.insert(std::make_pair(rule.second, std::make_unique<std::stringstream>()));
165 *(iter->second) << OpToName(rule.first);
167 *(iter->second) <<
"," << OpToName(rule.first);
170 std::stringstream ss;
172 for (
const auto &val : rule_map) {
173 ss << (first ?
"" :
";") << val.first <<
":" << val.second->str();
179 bool MakeCanonical(
const std::string &path, std::string &result)
181 if (path.empty() || path[0] !=
'/') {
return false;}
184 std::vector<std::string> components;
186 while (path.size() > pos && path[pos] ==
'/') {pos++;}
187 auto next_pos = path.find_first_of(
"/", pos);
188 auto next_component = path.substr(pos, next_pos - pos);
190 if (next_component.empty() || next_component ==
".") {
continue;}
191 else if (next_component ==
"..") {
192 if (!components.empty()) {
193 components.pop_back();
196 components.emplace_back(next_component);
198 }
while (pos != std::string::npos);
199 if (components.empty()) {
203 std::stringstream ss;
204 for (
const auto &comp : components) {
211 void ParseCanonicalPaths(
const std::string &path, std::vector<std::string> &results)
215 while (path.size() > pos && (path[pos] ==
',' || path[pos] ==
' ')) {pos++;}
216 auto next_pos = path.find_first_of(
", ", pos);
217 auto next_path = path.substr(pos, next_pos - pos);
219 if (!next_path.empty()) {
220 std::string canonical_path;
221 if (MakeCanonical(next_path, canonical_path)) {
222 results.emplace_back(std::move(canonical_path));
225 }
while (pos != std::string::npos);
230 MapRule(
const std::string &sub,
231 const std::string &username,
232 const std::string &path_prefix,
233 const std::string &group,
234 const std::string &result)
236 m_username(username),
237 m_path_prefix(path_prefix),
244 const std::string match(
const std::string &sub,
245 const std::string &username,
246 const std::string &req_path,
247 const std::vector<std::string> &groups)
const
249 if (!m_sub.empty() && sub != m_sub) {
return "";}
251 if (!m_username.empty() && username != m_username) {
return "";}
253 if (!m_path_prefix.empty() &&
254 strncmp(req_path.c_str(), m_path_prefix.c_str(), m_path_prefix.size()))
259 if (!m_group.empty()) {
260 for (
const auto &group : groups) {
261 if (group == m_group)
270 std::string m_username;
271 std::string m_path_prefix;
273 std::string m_result;
278 IssuerConfig(
const std::string &issuer_name,
279 const std::string &issuer_url,
280 const std::vector<std::string> &base_paths,
281 const std::vector<std::string> &restricted_paths,
283 uint32_t authz_strategy,
284 const std::string &default_user,
285 const std::string &username_claim,
286 const std::string &groups_claim,
287 const std::vector<MapRule> rules)
288 : m_map_subject(map_subject || !username_claim.empty()),
289 m_authz_strategy(authz_strategy),
292 m_default_user(default_user),
293 m_username_claim(username_claim),
294 m_groups_claim(groups_claim),
295 m_base_paths(base_paths),
296 m_restricted_paths(restricted_paths),
300 const bool m_map_subject;
301 const uint32_t m_authz_strategy;
302 const std::string m_name;
303 const std::string m_url;
304 const std::string m_default_user;
305 const std::string m_username_claim;
306 const std::string m_groups_claim;
307 const std::vector<std::string> m_base_paths;
308 const std::vector<std::string> m_restricted_paths;
309 const std::vector<MapRule> m_map_rules;
318 _error = ini_parse(filename.c_str(),
ValueHandler,
this);
337 inline static int ValueHandler(
void* user,
const char* section,
const char* name,
340 std::string key = MakeKey(section, name);
343 reader->_values[key] = value;
344 reader->_sections.insert(section);
353 XrdAccRules(uint64_t expiry_time,
const std::string &username,
const std::string &token_subject,
354 const std::string &issuer,
const std::vector<MapRule> &rules,
const std::vector<std::string> &
groups,
355 uint32_t authz_strategy) :
356 m_authz_strategy(authz_strategy),
357 m_expiry_time(expiry_time),
358 m_username(username),
359 m_token_subject(token_subject),
368 for (
const auto & rule : m_rules) {
370 if (rule.first != oper)
374 if (rule.second ==
"/")
390 bool expired()
const {
return monotonic_time() > m_expiry_time;}
392 void parse(
const AccessRulesRaw &rules) {
393 m_rules.reserve(rules.size());
394 for (
const auto &entry : rules) {
395 m_rules.emplace_back(entry.first, entry.second);
401 for (
const auto &rule : m_map_rules) {
402 std::string name = rule.match(m_token_subject, m_username, req_path, m_groups);
410 const std::string
str()
const
412 std::stringstream ss;
413 ss <<
"mapped_username=" << m_username <<
", subject=" << m_token_subject
414 <<
", issuer=" << m_issuer;
415 if (!m_groups.empty()) {
418 for (
const auto &group : m_groups) {
419 ss << (first ?
"" :
",") << group;
423 if (!m_rules.empty()) {
424 ss <<
", authorizations=" << AccessRuleStr(m_rules);
439 size_t size()
const {
return m_rules.size();}
440 const std::vector<std::string> &
groups()
const {
return m_groups;}
443 uint32_t m_authz_strategy;
444 AccessRulesRaw m_rules;
445 uint64_t m_expiry_time{0};
446 const std::string m_username;
447 const std::string m_token_subject;
448 const std::string m_issuer;
449 const std::vector<MapRule> m_map_rules;
450 const std::vector<std::string> m_groups;
462 enum class AuthzBehavior {
471 m_parms(parms ? parms :
""),
472 m_next_clean(monotonic_time() + m_expiry_secs),
473 m_log(lp,
"scitokens_")
475 pthread_rwlock_init(&m_config_lock,
nullptr);
476 m_config_lock_initialized =
true;
477 m_log.
Say(
"++++++ XrdAccSciTokens: Initialized SciTokens-based authorization.");
479 throw std::runtime_error(
"Failed to configure SciTokens authorization.");
484 if (m_config_lock_initialized) {
485 pthread_rwlock_destroy(&m_config_lock);
494 const char *authz = env ? env->
Get(
"authz") :
nullptr;
499 if (authz && !strncmp(authz,
"Bearer%20", 9)) {
504 if (!authz && Entity && !strcmp(
"ztn", Entity->
prot) && Entity->
creds &&
507 authz = Entity->
creds;
509 if (authz ==
nullptr) {
510 return OnMissing(Entity, path, oper, env);
513 std::shared_ptr<XrdAccRules> access_rules;
514 uint64_t now = monotonic_time();
517 std::lock_guard<std::mutex> guard(m_mutex);
518 const auto iter = m_map.find(authz);
519 if (iter != m_map.end() && !iter->second->expired()) {
520 access_rules = iter->second;
524 m_log.
Log(
LogMask::Debug,
"Access",
"Token not found in recent cache; parsing.");
526 uint64_t cache_expiry;
527 AccessRulesRaw rules;
528 std::string username;
529 std::string token_subject;
531 std::vector<MapRule> map_rules;
532 std::vector<std::string> groups;
533 uint32_t authz_strategy;
534 if (GenerateAcls(authz, cache_expiry, rules, username, token_subject, issuer, map_rules, groups, authz_strategy)) {
535 access_rules.reset(
new XrdAccRules(now + cache_expiry, username, token_subject, issuer, map_rules, groups, authz_strategy));
536 access_rules->parse(rules);
539 return OnMissing(Entity, path, oper, env);
542 m_log.
Log(
LogMask::Debug,
"Access",
"New valid token", access_rules->str().c_str());
544 }
catch (std::exception &exc) {
545 m_log.
Log(
LogMask::Warning,
"Access",
"Error generating ACLs for authorization", exc.what());
546 return OnMissing(Entity, path, oper, env);
548 std::lock_guard<std::mutex> guard(m_mutex);
549 m_map[authz] = access_rules;
551 m_log.
Log(
LogMask::Debug,
"Access",
"Cached token", access_rules->str().c_str());
566 new_secentity.
vorg =
nullptr;
567 new_secentity.
grps =
nullptr;
568 new_secentity.
role =
nullptr;
571 const auto &issuer = access_rules->get_issuer();
572 if (!issuer.empty()) {
573 new_secentity.
vorg = strdup(issuer.c_str());
575 bool group_success =
false;
576 if ((access_rules->get_authz_strategy() & IssuerAuthz::Group) && access_rules->groups().size()) {
577 std::stringstream ss;
578 for (
const auto &grp : access_rules->groups()) {
581 const auto &groups_str = ss.str();
582 new_secentity.
grps =
static_cast<char*
>(malloc(groups_str.size() + 1));
583 if (new_secentity.
grps) {
584 memcpy(new_secentity.
grps, groups_str.c_str(), groups_str.size());
585 new_secentity.
grps[groups_str.size()] =
'\0';
587 group_success =
true;
590 std::string username;
591 bool mapping_success =
false;
592 bool scope_success =
false;
593 username = access_rules->get_username(path);
595 mapping_success = (access_rules->get_authz_strategy() & IssuerAuthz::Mapping) && !username.empty();
596 scope_success = (access_rules->get_authz_strategy() & IssuerAuthz::Capability) && access_rules->apply(oper, path);
598 std::stringstream ss;
599 ss <<
"Grant authorization based on scopes for operation=" << OpToName(oper) <<
", path=" << path;
603 if (!scope_success && !mapping_success && !group_success) {
604 auto returned_accs = OnMissing(&new_secentity, path, oper, env);
606 if (new_secentity.
vorg !=
nullptr) free(new_secentity.
vorg);
607 if (new_secentity.
grps !=
nullptr) free(new_secentity.
grps);
608 if (new_secentity.
role !=
nullptr) free(new_secentity.
role);
610 return returned_accs;
614 if (scope_success && username.empty()) {
615 username = access_rules->get_default_username();
620 if (scope_success || mapping_success) {
622 Entity->
eaAPI->
Add(
"request.name", username,
true);
623 new_secentity.
eaAPI->
Add(
"request.name", username,
true);
632 const auto &token_subject = access_rules->get_token_subject();
633 if (!token_subject.empty()) {
634 Entity->
eaAPI->
Add(
"token.subject", token_subject,
true);
643 if (Entity->
secMon && scope_success && returned_op &&
Mon_isIO(oper))
644 Mon_Report(new_secentity, token_subject, username);
647 if (new_secentity.
vorg !=
nullptr) free(new_secentity.
vorg);
648 if (new_secentity.
grps !=
nullptr) free(new_secentity.
grps);
649 if (new_secentity.
role !=
nullptr) free(new_secentity.
role);
665 for (
auto it: m_issuers) {
669 issuers.push_back(issuer_info);
675 virtual bool Validate(
const char *token, std::string &
emsg,
long long *expT,
683 if (!strncmp(token,
"Bearer%20", 9)) token += 9;
684 pthread_rwlock_rdlock(&m_config_lock);
685 auto retval = scitoken_deserialize(token, &scitoken, &m_valid_issuers_array[0], &err_msg);
686 pthread_rwlock_unlock(&m_config_lock);
700 {
char *value =
nullptr;
701 if (!scitoken_get_claim_string(scitoken,
"sub", &value, &err_msg))
702 Entity->
name = strdup(value);
707 if (expT && scitoken_get_expiration(scitoken, expT, &err_msg)) {
715 scitoken_destroy(scitoken);
733 return (m_chain ? m_chain->
Test(priv, oper) : 0);
744 switch (m_authz_behavior) {
745 case AuthzBehavior::PASSTHROUGH:
747 case AuthzBehavior::ALLOW:
749 case AuthzBehavior::DENY:
756 bool GenerateAcls(
const std::string &authz, uint64_t &cache_expiry, AccessRulesRaw &rules, std::string &username, std::string &token_subject, std::string &issuer, std::vector<MapRule> &map_rules, std::vector<std::string> &groups, uint32_t &authz_strategy) {
759 bool looks_good =
true;
760 int separator_count = 0;
761 for (
auto cur_char = authz.c_str(); *cur_char; cur_char++) {
762 if (*cur_char ==
'.') {
764 if (separator_count > 2) {
768 if (!(*cur_char >= 65 && *cur_char <= 90) &&
769 !(*cur_char >= 97 && *cur_char <= 122) &&
770 !(*cur_char >= 48 && *cur_char <= 57) &&
771 (*cur_char != 43) && (*cur_char != 47) &&
772 (*cur_char != 45) && (*cur_char != 95))
778 if ((separator_count != 2) || (!looks_good)) {
779 m_log.
Log(
LogMask::Debug,
"Parse",
"Token does not appear to be a valid JWT; skipping.");
784 SciToken token =
nullptr;
785 pthread_rwlock_rdlock(&m_config_lock);
786 auto retval = scitoken_deserialize(authz.c_str(), &token, &m_valid_issuers_array[0], &err_msg);
787 pthread_rwlock_unlock(&m_config_lock);
796 if (scitoken_get_expiration(token, &expiry, &err_msg)) {
797 m_log.
Log(
LogMask::Warning,
"GenerateAcls",
"Unable to determine token expiration:", err_msg);
799 scitoken_destroy(token);
803 expiry = std::max(
static_cast<int64_t
>(monotonic_time() - expiry),
804 static_cast<int64_t
>(60));
809 char *value =
nullptr;
810 if (scitoken_get_claim_string(token,
"iss", &value, &err_msg)) {
812 scitoken_destroy(token);
816 std::string token_issuer(value);
819 pthread_rwlock_rdlock(&m_config_lock);
820 auto enf = enforcer_create(token_issuer.c_str(), &m_audiences_array[0], &err_msg);
821 pthread_rwlock_unlock(&m_config_lock);
824 scitoken_destroy(token);
830 if (enforcer_generate_acls(enf, token, &acls, &err_msg)) {
831 scitoken_destroy(token);
832 enforcer_destroy(enf);
833 m_log.
Log(
LogMask::Warning,
"GenerateAcls",
"ACL generation from SciToken failed:", err_msg);
837 enforcer_destroy(enf);
839 pthread_rwlock_rdlock(&m_config_lock);
840 auto iter = m_issuers.find(token_issuer);
841 if (iter == m_issuers.end()) {
842 pthread_rwlock_unlock(&m_config_lock);
844 scitoken_destroy(token);
847 const auto config = iter->second;
848 pthread_rwlock_unlock(&m_config_lock);
852 std::vector<std::string> groups_parsed;
853 if (scitoken_get_claim_string_list(token, config.m_groups_claim.c_str(), &group_list, &err_msg) == 0) {
854 for (
int idx=0; group_list[idx]; idx++) {
855 groups_parsed.emplace_back(group_list[idx]);
857 scitoken_free_string_list(group_list);
864 if (scitoken_get_claim_string(token,
"sub", &value, &err_msg)) {
867 scitoken_destroy(token);
870 token_subject = std::string(value);
873 auto tmp_username = token_subject;
874 if (!config.m_username_claim.empty()) {
875 if (scitoken_get_claim_string(token, config.m_username_claim.c_str(), &value, &err_msg)) {
878 scitoken_destroy(token);
881 tmp_username = std::string(value);
883 }
else if (!config.m_map_subject) {
884 tmp_username = config.m_default_user;
887 for (
auto rule : config.m_map_rules) {
888 for (
auto path : config.m_base_paths) {
889 auto path_rule = rule;
890 path_rule.m_path_prefix = path + rule.m_path_prefix;
891 auto pos = path_rule.m_path_prefix.find(
"//");
892 if (pos != std::string::npos) {
893 path_rule.m_path_prefix.erase(pos + 1, 1);
895 map_rules.emplace_back(path_rule);
899 AccessRulesRaw xrd_rules;
901 std::set<std::string> paths_write_seen;
902 std::set<std::string> paths_create_or_modify_seen;
903 std::vector<std::string> acl_paths;
904 acl_paths.reserve(config.m_restricted_paths.size() + 1);
905 while (acls[idx].resource && acls[idx++].authz) {
907 const auto &acl_path = acls[idx-1].resource;
908 const auto &acl_authz = acls[idx-1].authz;
909 if (config.m_restricted_paths.empty()) {
910 acl_paths.push_back(acl_path);
912 auto acl_path_size = strlen(acl_path);
913 for (
const auto &restricted_path : config.m_restricted_paths) {
916 if (!strncmp(acl_path, restricted_path.c_str(), restricted_path.size())) {
919 if (acl_path_size > restricted_path.size() && acl_path[restricted_path.size()] !=
'/') {
922 acl_paths.push_back(acl_path);
928 if (!strncmp(acl_path, restricted_path.c_str(), acl_path_size)) {
935 if ((restricted_path.size() > acl_path_size && restricted_path[acl_path_size] !=
'/') && (acl_path_size != 1)) {
938 acl_paths.push_back(restricted_path);
942 for (
const auto &acl_path : acl_paths) {
943 for (
const auto &base_path : config.m_base_paths) {
944 if (!acl_path[0] || acl_path[0] !=
'/') {
continue;}
946 MakeCanonical(base_path + acl_path, path);
947 if (!strcmp(acl_authz,
"read")) {
948 xrd_rules.emplace_back(
AOP_Read, path);
950 xrd_rules.emplace_back(
AOP_Stat, path);
951 }
else if (!strcmp(acl_authz,
"create")) {
952 paths_create_or_modify_seen.insert(path);
957 xrd_rules.emplace_back(
AOP_Stat, path);
958 }
else if (!strcmp(acl_authz,
"modify")) {
959 paths_create_or_modify_seen.insert(path);
966 xrd_rules.emplace_back(
AOP_Stat, path);
968 }
else if (!strcmp(acl_authz,
"write")) {
969 paths_write_seen.insert(path);
974 for (
const auto &write_path : paths_write_seen) {
975 if (paths_create_or_modify_seen.find(write_path) == paths_create_or_modify_seen.end()) {
977 xrd_rules.emplace_back(
AOP_Create, write_path);
978 xrd_rules.emplace_back(
AOP_Mkdir, write_path);
979 xrd_rules.emplace_back(
AOP_Rename, write_path);
980 xrd_rules.emplace_back(
AOP_Insert, write_path);
981 xrd_rules.emplace_back(
AOP_Update, write_path);
982 xrd_rules.emplace_back(
AOP_Stat, write_path);
983 xrd_rules.emplace_back(
AOP_Chmod, write_path);
984 xrd_rules.emplace_back(
AOP_Delete, write_path);
987 authz_strategy = config.m_authz_strategy;
989 cache_expiry = expiry;
990 rules = std::move(xrd_rules);
991 username = std::move(tmp_username);
992 issuer = std::move(token_issuer);
993 groups = std::move(groups_parsed);
1003 char *config_filename =
nullptr;
1010 m_log.
Emsg(
"Config", -result,
"parsing config file", config_filename);
1015 std::string map_filename;
1016 while (scitokens_conf.GetLine()) {
1018 scitokens_conf.GetToken();
1019 if (!(val = scitokens_conf.GetToken())) {
1020 m_log.
Emsg(
"Config",
"scitokens.trace requires an argument. Usage: scitokens.trace [all|error|warning|info|debug|none]");
1029 else if (!strcmp(val,
"none")) {m_log.
setMsgMask(0);}
1030 else {m_log.
Emsg(
"Config",
"scitokens.trace encountered an unknown directive:", val);
return false;}
1031 }
while ((val = scitokens_conf.GetToken()));
1036 auto tlsCtx =
static_cast<XrdTlsContext*
>(xrdEnv ? xrdEnv->GetPtr(
"XrdTlsContext*") :
nullptr);
1039 if (params && !params->cafile.empty()) {
1040 #ifdef HAVE_SCITOKEN_CONFIG_SET_STR
1041 scitoken_config_set_str(
"tls.ca_file", params->cafile.c_str(),
nullptr);
1043 m_log.
Log(
LogMask::Warning,
"Config",
"tls.ca_file is set but the platform's libscitokens.so does not support setting config parameters");
1051 bool ParseMapfile(
const std::string &filename, std::vector<MapRule> &rules)
1053 std::stringstream ss;
1054 std::ifstream mapfile(filename);
1055 if (!mapfile.is_open())
1057 ss <<
"Error opening mapfile (" << filename <<
"): " << strerror(errno);
1061 picojson::value val;
1062 auto err = picojson::parse(val, mapfile);
1064 ss <<
"Unable to parse mapfile (" << filename <<
") as json: " << err;
1068 if (!val.is<picojson::array>()) {
1069 ss <<
"Top-level element of the mapfile " << filename <<
" must be a list";
1073 const auto& rule_list = val.get<picojson::array>();
1074 for (
const auto &rule : rule_list)
1076 if (!rule.is<picojson::object>()) {
1077 ss <<
"Mapfile " << filename <<
" must be a list of JSON objects; found non-object";
1084 std::string username;
1086 bool ignore =
false;
1087 for (
const auto &entry : rule.get<picojson::object>()) {
1088 if (!entry.second.is<std::string>()) {
1089 if (entry.first !=
"result" && entry.first !=
"group" && entry.first !=
"sub" && entry.first !=
"path") {
continue;}
1090 ss <<
"In mapfile " << filename <<
", rule entry for " << entry.first <<
" has non-string value";
1094 if (entry.first ==
"result") {
1095 result = entry.second.get<std::string>();
1097 else if (entry.first ==
"group") {
1098 group = entry.second.get<std::string>();
1100 else if (entry.first ==
"sub") {
1101 sub = entry.second.get<std::string>();
1102 }
else if (entry.first ==
"username") {
1103 username = entry.second.get<std::string>();
1104 }
else if (entry.first ==
"path") {
1105 std::string norm_path;
1106 if (!MakeCanonical(entry.second.get<std::string>(), norm_path)) {
1107 ss <<
"In mapfile " << filename <<
" encountered a path " << entry.second.get<std::string>()
1108 <<
" that cannot be normalized";
1113 }
else if (entry.first ==
"ignore") {
1118 if (ignore)
continue;
1121 ss <<
"In mapfile " << filename <<
" encountered a rule without a 'result' attribute";
1125 rules.emplace_back(sub, username, path, group, result);
1134 m_cfg_file =
"/etc/xrootd/scitokens.cfg";
1135 if (!m_parms.empty()) {
1137 std::vector<std::string> arg_list;
1139 while ((m_parms.size() > pos) && (m_parms[pos] ==
' ')) {pos++;}
1140 auto next_pos = m_parms.find_first_of(
", ", pos);
1141 auto next_arg = m_parms.substr(pos, next_pos - pos);
1143 if (!next_arg.empty()) {
1144 arg_list.emplace_back(std::move(next_arg));
1146 }
while (pos != std::string::npos);
1148 for (
const auto &arg : arg_list) {
1149 if (strncmp(arg.c_str(),
"config=", 7)) {
1150 m_log.
Log(
LogMask::Error,
"Reconfig",
"Ignoring unknown configuration argument:", arg.c_str());
1153 m_cfg_file = std::string(arg.c_str() + 7);
1156 m_log.
Log(
LogMask::Info,
"Reconfig",
"Parsing configuration file:", m_cfg_file.c_str());
1159 if (reader.ParseError() < 0) {
1160 std::stringstream ss;
1161 ss <<
"Error opening config file (" << m_cfg_file <<
"): " << strerror(errno);
1164 }
else if (reader.ParseError()) {
1165 std::stringstream ss;
1166 ss <<
"Parse error on line " << reader.ParseError() <<
" of file " << m_cfg_file;
1170 std::vector<std::string> audiences;
1171 std::unordered_map<std::string, IssuerConfig> issuers;
1172 for (
const auto §ion : reader.Sections()) {
1173 std::string section_lower;
1174 std::transform(section.begin(), section.end(), std::back_inserter(section_lower),
1175 [](
unsigned char c){ return std::tolower(c); });
1177 if (section_lower.substr(0, 6) ==
"global") {
1178 auto audience = reader.Get(section,
"audience",
"");
1179 if (!audience.empty()) {
1182 while (audience.size() > pos && (audience[pos] ==
',' || audience[pos] ==
' ')) {pos++;}
1183 auto next_pos = audience.find_first_of(
", ", pos);
1184 auto next_aud = audience.substr(pos, next_pos - pos);
1186 if (!next_aud.empty()) {
1187 audiences.push_back(next_aud);
1189 }
while (pos != std::string::npos);
1191 audience = reader.Get(section,
"audience_json",
"");
1192 if (!audience.empty()) {
1193 picojson::value json_obj;
1194 auto err = picojson::parse(json_obj, audience);
1196 m_log.
Log(
LogMask::Error,
"Reconfig",
"Unable to parse audience_json:", err.c_str());
1199 if (!json_obj.is<picojson::value::array>()) {
1200 m_log.
Log(
LogMask::Error,
"Reconfig",
"audience_json must be a list of strings; not a list.");
1203 for (
const auto &val : json_obj.get<picojson::value::array>()) {
1204 if (!val.is<std::string>()) {
1205 m_log.
Log(
LogMask::Error,
"Reconfig",
"audience must be a list of strings; value is not a string.");
1208 audiences.push_back(val.get<std::string>());
1211 auto onmissing = reader.Get(section,
"onmissing",
"");
1212 if (onmissing ==
"passthrough") {
1213 m_authz_behavior = AuthzBehavior::PASSTHROUGH;
1214 }
else if (onmissing ==
"allow") {
1215 m_authz_behavior = AuthzBehavior::ALLOW;
1216 }
else if (onmissing ==
"deny") {
1217 m_authz_behavior = AuthzBehavior::DENY;
1218 }
else if (!onmissing.empty()) {
1219 m_log.
Log(
LogMask::Error,
"Reconfig",
"Unknown value for onmissing key:", onmissing.c_str());
1224 if (section_lower.substr(0, 7) !=
"issuer ") {
continue;}
1226 auto issuer = reader.Get(section,
"issuer",
"");
1227 if (issuer.empty()) {
1228 m_log.
Log(
LogMask::Error,
"Reconfig",
"Ignoring section because 'issuer' attribute is not set:",
1234 std::vector<MapRule> rules;
1235 auto name_mapfile = reader.Get(section,
"name_mapfile",
"");
1236 if (!name_mapfile.empty()) {
1237 if (!ParseMapfile(name_mapfile, rules)) {
1238 m_log.
Log(
LogMask::Error,
"Reconfig",
"Failed to parse mapfile; failing (re-)configuration", name_mapfile.c_str());
1241 m_log.
Log(
LogMask::Info,
"Reconfig",
"Successfully parsed SciTokens mapfile:", name_mapfile.c_str());
1245 auto base_path = reader.Get(section,
"base_path",
"");
1246 if (base_path.empty()) {
1247 m_log.
Log(
LogMask::Error,
"Reconfig",
"Ignoring section because 'base_path' attribute is not set:",
1253 while (section.size() > pos && std::isspace(section[pos])) {pos++;}
1255 auto name = section.substr(pos);
1257 m_log.
Log(
LogMask::Error,
"Reconfig",
"Invalid section name:", section.c_str());
1261 std::vector<std::string> base_paths;
1262 ParseCanonicalPaths(base_path, base_paths);
1264 auto restricted_path = reader.Get(section,
"restricted_path",
"");
1265 std::vector<std::string> restricted_paths;
1266 if (!restricted_path.empty()) {
1267 ParseCanonicalPaths(restricted_path, restricted_paths);
1270 auto default_user = reader.Get(section,
"default_user",
"");
1271 auto map_subject = reader.GetBoolean(section,
"map_subject",
false);
1272 auto username_claim = reader.Get(section,
"username_claim",
"");
1273 auto groups_claim = reader.Get(section,
"groups_claim",
"wlcg.groups");
1275 auto authz_strategy_str = reader.Get(section,
"authorization_strategy",
"");
1276 uint32_t authz_strategy = 0;
1277 if (authz_strategy_str.empty()) {
1278 authz_strategy = IssuerAuthz::Default;
1280 std::istringstream authz_strategy_stream(authz_strategy_str);
1281 std::string authz_str;
1282 while (
std::getline(authz_strategy_stream, authz_str,
' ')) {
1283 if (!strcasecmp(authz_str.c_str(),
"capability")) {
1284 authz_strategy |= IssuerAuthz::Capability;
1285 }
else if (!strcasecmp(authz_str.c_str(),
"group")) {
1286 authz_strategy |= IssuerAuthz::Group;
1287 }
else if (!strcasecmp(authz_str.c_str(),
"mapping")) {
1288 authz_strategy |= IssuerAuthz::Mapping;
1290 m_log.
Log(
LogMask::Error,
"Reconfig",
"Unknown authorization strategy (ignoring):", authz_str.c_str());
1295 issuers.emplace(std::piecewise_construct,
1296 std::forward_as_tuple(issuer),
1297 std::forward_as_tuple(name, issuer, base_paths, restricted_paths,
1298 map_subject, authz_strategy, default_user, username_claim, groups_claim, rules));
1301 if (issuers.empty()) {
1305 pthread_rwlock_wrlock(&m_config_lock);
1307 m_audiences = std::move(audiences);
1309 m_audiences_array.resize(m_audiences.size() + 1);
1310 for (
const auto &audience : m_audiences) {
1311 m_audiences_array[idx++] = audience.c_str();
1313 m_audiences_array[idx] =
nullptr;
1315 m_issuers = std::move(issuers);
1316 m_valid_issuers_array.resize(m_issuers.size() + 1);
1318 for (
const auto &issuer : m_issuers) {
1319 m_valid_issuers_array[idx++] = issuer.first.c_str();
1321 m_valid_issuers_array[idx] =
nullptr;
1323 pthread_rwlock_unlock(&m_config_lock);
1326 pthread_rwlock_unlock(&m_config_lock);
1330 void Check(uint64_t now)
1332 if (now <= m_next_clean) {
return;}
1333 std::lock_guard<std::mutex> guard(m_mutex);
1335 for (
auto iter = m_map.begin(); iter != m_map.end(); ) {
1336 if (iter->second->expired()) {
1337 iter = m_map.erase(iter);
1344 m_next_clean = monotonic_time() + m_expiry_secs;
1347 bool m_config_lock_initialized{
false};
1349 pthread_rwlock_t m_config_lock;
1350 std::vector<std::string> m_audiences;
1351 std::vector<const char *> m_audiences_array;
1352 std::map<std::string, std::shared_ptr<XrdAccRules>> m_map;
1354 const std::string m_parms;
1355 std::vector<const char*> m_valid_issuers_array;
1356 std::unordered_map<std::string, IssuerConfig> m_issuers;
1357 uint64_t m_next_clean{0};
1359 AuthzBehavior m_authz_behavior{AuthzBehavior::PASSTHROUGH};
1360 std::string m_cfg_file;
1362 static constexpr uint64_t m_expiry_secs = 60;
1371 }
catch (std::exception &) {
Access_Operation
The following are supported operations.
@ AOP_Delete
rm() or rmdir()
@ AOP_Update
open() r/w or append
@ AOP_Create
open() with create
@ AOP_Any
Special for getting privs.
@ AOP_Stat
exists(), stat()
@ AOP_Rename
mv() for source
@ AOP_Read
open() r/o, prepare()
@ AOP_Excl_Create
open() with O_EXCL|O_CREAT
@ AOP_Insert
mv() for target
@ AOP_Excl_Insert
mv() where destination doesn't exist.
static bool is_subdirectory(const std::string &dir, const std::string &subdir)
XrdAccSciTokens * accSciTokens
XrdSciTokensHelper * SciTokensHelper
XrdVERSIONINFO(XrdAccAuthorizeObject, XrdAccSciTokens)
void InitAccSciTokens(XrdSysLogger *lp, const char *cfn, const char *parm, XrdAccAuthorize *accP, XrdOucEnv *envP)
XrdAccAuthorize * XrdAccAuthorizeObjAdd(XrdSysLogger *lp, const char *cfn, const char *parm, XrdOucEnv *envP, XrdAccAuthorize *accP)
XrdAccAuthorize * XrdAccAuthorizeObject(XrdSysLogger *lp, const char *cfn, const char *parm)
XrdAccAuthorize * XrdAccAuthorizeObject2(XrdSysLogger *lp, const char *cfn, const char *parm, XrdOucEnv *envP)
void getline(uchar *buff, int blen)
int emsg(int rc, char *msg)
OverrideINIReader(FILE *file)
OverrideINIReader(std::string filename)
static int ValueHandler(void *user, const char *section, const char *name, const char *value)
virtual int Test(const XrdAccPrivs priv, const Access_Operation oper)=0
virtual XrdAccPrivs Access(const XrdSecEntity *Entity, const char *path, const Access_Operation oper, XrdOucEnv *Env=0)=0
const std::vector< std::string > & groups() const
XrdAccRules(uint64_t expiry_time, const std::string &username, const std::string &token_subject, const std::string &issuer, const std::vector< MapRule > &rules, const std::vector< std::string > &groups, uint32_t authz_strategy)
const std::string & get_issuer() const
bool apply(Access_Operation oper, std::string path)
uint32_t get_authz_strategy() const
void parse(const AccessRulesRaw &rules)
const std::string & get_default_username() const
const std::string & get_token_subject() const
const std::string str() const
std::string get_username(const std::string &req_path) const
virtual int Audit(const int accok, const XrdSecEntity *Entity, const char *path, const Access_Operation oper, XrdOucEnv *Env=0) override
virtual XrdAccPrivs Access(const XrdSecEntity *Entity, const char *path, const Access_Operation oper, XrdOucEnv *env) override
XrdAccSciTokens(XrdSysLogger *lp, const char *parms, XrdAccAuthorize *chain, XrdOucEnv *envP)
virtual Issuers IssuerList() override
virtual bool Validate(const char *token, std::string &emsg, long long *expT, XrdSecEntity *Entity) override
virtual int Test(const XrdAccPrivs priv, const Access_Operation oper) override
std::string GetConfigFile()
virtual ~XrdAccSciTokens()
static bool Import(const char *var, char *&val)
void * GetPtr(const char *varname)
char * Get(const char *varname)
@ trim_lines
Prefix trimmed lines.
std::vector< ValidIssuer > Issuers
bool Mon_isIO(const Access_Operation oper)
void Mon_Report(const XrdSecEntity &Entity, const std::string &subject, const std::string &username)
bool Add(XrdSecAttr &attr)
char * vorg
Entity's virtual organization(s)
int credslen
Length of the 'creds' data.
XrdNetAddrInfo * addrInfo
Entity's connection details.
XrdSecEntityAttr * eaAPI
non-const API to attributes
char prot[XrdSecPROTOIDSIZE]
Auth protocol used (e.g. krb5)
char * creds
Raw entity credentials or cert.
XrdSecMonitor * secMon
If !0 security monitoring enabled.
char * grps
Entity's group name(s)
char * name
Entity's name.
char * role
Entity's role(s)
int Emsg(const char *esfx, int ecode, const char *text1, const char *text2=0)
void Say(const char *text1, const char *text2=0, const char *txt3=0, const char *text4=0, const char *text5=0, const char *txt6=0)
void setMsgMask(int mask)
void Log(int mask, const char *esfx, const char *text1, const char *text2=0, const char *text3=0)
const CTX_Params * GetParams()
std::string LogMaskToString(int mask)