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7c673cae FG |
1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- |
2 | // vim: ts=8 sw=2 smarttab | |
3 | ||
4 | #include <errno.h> | |
5 | #include <vector> | |
6 | #include <algorithm> | |
7 | #include <string> | |
8 | #include <boost/tokenizer.hpp> | |
7c673cae FG |
9 | |
10 | #include "json_spirit/json_spirit.h" | |
11 | #include "common/ceph_json.h" | |
12 | ||
31f18b77 | 13 | #include "rgw_op.h" |
7c673cae FG |
14 | #include "rgw_common.h" |
15 | #include "rgw_acl.h" | |
16 | #include "rgw_string.h" | |
17 | #include "rgw_rados.h" | |
31f18b77 | 18 | #include "rgw_http_errors.h" |
7c673cae FG |
19 | |
20 | #include "common/ceph_crypto.h" | |
21 | #include "common/armor.h" | |
22 | #include "common/errno.h" | |
23 | #include "common/Clock.h" | |
24 | #include "common/Formatter.h" | |
25 | #include "common/perf_counters.h" | |
26 | #include "common/strtol.h" | |
27 | #include "include/str_list.h" | |
28 | #include "auth/Crypto.h" | |
29 | #include "rgw_crypt_sanitize.h" | |
30 | ||
31 | #include <sstream> | |
32 | ||
33 | #define dout_context g_ceph_context | |
34 | #define dout_subsys ceph_subsys_rgw | |
35 | ||
31f18b77 FG |
36 | using boost::none; |
37 | using boost::optional; | |
38 | ||
39 | using rgw::IAM::ARN; | |
40 | using rgw::IAM::Effect; | |
41 | using rgw::IAM::op_to_perm; | |
42 | using rgw::IAM::Policy; | |
7c673cae FG |
43 | |
44 | PerfCounters *perfcounter = NULL; | |
45 | ||
46 | const uint32_t RGWBucketInfo::NUM_SHARDS_BLIND_BUCKET(UINT32_MAX); | |
47 | ||
31f18b77 FG |
48 | rgw_http_errors rgw_http_s3_errors({ |
49 | { 0, {200, "" }}, | |
50 | { STATUS_CREATED, {201, "Created" }}, | |
51 | { STATUS_ACCEPTED, {202, "Accepted" }}, | |
52 | { STATUS_NO_CONTENT, {204, "NoContent" }}, | |
53 | { STATUS_PARTIAL_CONTENT, {206, "" }}, | |
54 | { ERR_PERMANENT_REDIRECT, {301, "PermanentRedirect" }}, | |
55 | { ERR_WEBSITE_REDIRECT, {301, "WebsiteRedirect" }}, | |
56 | { STATUS_REDIRECT, {303, "" }}, | |
57 | { ERR_NOT_MODIFIED, {304, "NotModified" }}, | |
58 | { EINVAL, {400, "InvalidArgument" }}, | |
59 | { ERR_INVALID_REQUEST, {400, "InvalidRequest" }}, | |
60 | { ERR_INVALID_DIGEST, {400, "InvalidDigest" }}, | |
61 | { ERR_BAD_DIGEST, {400, "BadDigest" }}, | |
62 | { ERR_INVALID_LOCATION_CONSTRAINT, {400, "InvalidLocationConstraint" }}, | |
c07f9fc5 | 63 | { ERR_ZONEGROUP_DEFAULT_PLACEMENT_MISCONFIGURATION, {400, "ZonegroupDefaultPlacementMisconfiguration" }}, |
31f18b77 FG |
64 | { ERR_INVALID_BUCKET_NAME, {400, "InvalidBucketName" }}, |
65 | { ERR_INVALID_OBJECT_NAME, {400, "InvalidObjectName" }}, | |
66 | { ERR_UNRESOLVABLE_EMAIL, {400, "UnresolvableGrantByEmailAddress" }}, | |
67 | { ERR_INVALID_PART, {400, "InvalidPart" }}, | |
68 | { ERR_INVALID_PART_ORDER, {400, "InvalidPartOrder" }}, | |
69 | { ERR_REQUEST_TIMEOUT, {400, "RequestTimeout" }}, | |
70 | { ERR_TOO_LARGE, {400, "EntityTooLarge" }}, | |
71 | { ERR_TOO_SMALL, {400, "EntityTooSmall" }}, | |
72 | { ERR_TOO_MANY_BUCKETS, {400, "TooManyBuckets" }}, | |
73 | { ERR_MALFORMED_XML, {400, "MalformedXML" }}, | |
74 | { ERR_AMZ_CONTENT_SHA256_MISMATCH, {400, "XAmzContentSHA256Mismatch" }}, | |
224ce89b | 75 | { ERR_INVALID_TAG, {400, "InvalidTag"}}, |
c07f9fc5 | 76 | { ERR_MALFORMED_ACL_ERROR, {400, "MalformedACLError" }}, |
3efd9988 | 77 | { ERR_INVALID_ENCRYPTION_ALGORITHM, {400, "InvalidEncryptionAlgorithmError" }}, |
31f18b77 FG |
78 | { ERR_LENGTH_REQUIRED, {411, "MissingContentLength" }}, |
79 | { EACCES, {403, "AccessDenied" }}, | |
80 | { EPERM, {403, "AccessDenied" }}, | |
81 | { ERR_SIGNATURE_NO_MATCH, {403, "SignatureDoesNotMatch" }}, | |
82 | { ERR_INVALID_ACCESS_KEY, {403, "InvalidAccessKeyId" }}, | |
83 | { ERR_USER_SUSPENDED, {403, "UserSuspended" }}, | |
84 | { ERR_REQUEST_TIME_SKEWED, {403, "RequestTimeTooSkewed" }}, | |
85 | { ERR_QUOTA_EXCEEDED, {403, "QuotaExceeded" }}, | |
86 | { ENOENT, {404, "NoSuchKey" }}, | |
87 | { ERR_NO_SUCH_BUCKET, {404, "NoSuchBucket" }}, | |
88 | { ERR_NO_SUCH_WEBSITE_CONFIGURATION, {404, "NoSuchWebsiteConfiguration" }}, | |
89 | { ERR_NO_SUCH_UPLOAD, {404, "NoSuchUpload" }}, | |
90 | { ERR_NOT_FOUND, {404, "Not Found"}}, | |
91 | { ERR_NO_SUCH_LC, {404, "NoSuchLifecycleConfiguration"}}, | |
92 | { ERR_NO_SUCH_BUCKET_POLICY, {404, "NoSuchBucketPolicy"}}, | |
224ce89b WB |
93 | { ERR_NO_SUCH_USER, {404, "NoSuchUser"}}, |
94 | { ERR_NO_SUCH_SUBUSER, {404, "NoSuchSubUser"}}, | |
3a9019d9 | 95 | { ERR_NO_SUCH_CORS_CONFIGURATION, {404, "NoSuchCORSConfiguration"}}, |
31f18b77 FG |
96 | { ERR_METHOD_NOT_ALLOWED, {405, "MethodNotAllowed" }}, |
97 | { ETIMEDOUT, {408, "RequestTimeout" }}, | |
98 | { EEXIST, {409, "BucketAlreadyExists" }}, | |
99 | { ERR_USER_EXIST, {409, "UserAlreadyExists" }}, | |
100 | { ERR_EMAIL_EXIST, {409, "EmailExists" }}, | |
101 | { ERR_KEY_EXIST, {409, "KeyExists"}}, | |
224ce89b | 102 | { ERR_TAG_CONFLICT, {409, "OperationAborted"}}, |
31f18b77 FG |
103 | { ERR_INVALID_SECRET_KEY, {400, "InvalidSecretKey"}}, |
104 | { ERR_INVALID_KEY_TYPE, {400, "InvalidKeyType"}}, | |
105 | { ERR_INVALID_CAP, {400, "InvalidCapability"}}, | |
106 | { ERR_INVALID_TENANT_NAME, {400, "InvalidTenantName" }}, | |
107 | { ENOTEMPTY, {409, "BucketNotEmpty" }}, | |
108 | { ERR_PRECONDITION_FAILED, {412, "PreconditionFailed" }}, | |
109 | { ERANGE, {416, "InvalidRange" }}, | |
110 | { ERR_UNPROCESSABLE_ENTITY, {422, "UnprocessableEntity" }}, | |
111 | { ERR_LOCKED, {423, "Locked" }}, | |
112 | { ERR_INTERNAL_ERROR, {500, "InternalError" }}, | |
113 | { ERR_NOT_IMPLEMENTED, {501, "NotImplemented" }}, | |
114 | { ERR_SERVICE_UNAVAILABLE, {503, "ServiceUnavailable"}}, | |
224ce89b | 115 | { ERR_ZERO_IN_URL, {400, "InvalidRequest" }}, |
31f18b77 FG |
116 | }); |
117 | ||
118 | rgw_http_errors rgw_http_swift_errors({ | |
119 | { EACCES, {403, "AccessDenied" }}, | |
120 | { EPERM, {401, "AccessDenied" }}, | |
3efd9988 | 121 | { ENAMETOOLONG, {400, "Metadata name too long" }}, |
31f18b77 FG |
122 | { ERR_USER_SUSPENDED, {401, "UserSuspended" }}, |
123 | { ERR_INVALID_UTF8, {412, "Invalid UTF8" }}, | |
124 | { ERR_BAD_URL, {412, "Bad URL" }}, | |
125 | { ERR_NOT_SLO_MANIFEST, {400, "Not an SLO manifest" }}, | |
126 | { ERR_QUOTA_EXCEEDED, {413, "QuotaExceeded" }}, | |
3efd9988 FG |
127 | { ENOTEMPTY, {409, "There was a conflict when trying " |
128 | "to complete your request." }}, | |
224ce89b WB |
129 | /* FIXME(rzarzynski): we need to find a way to apply Swift's error handling |
130 | * procedures also for ERR_ZERO_IN_URL. This make a problem as the validation | |
131 | * is performed very early, even before setting the req_state::proto_flags. */ | |
132 | { ERR_ZERO_IN_URL, {412, "Invalid UTF8 or contains NULL"}}, | |
31f18b77 FG |
133 | }); |
134 | ||
7c673cae FG |
135 | int rgw_perf_start(CephContext *cct) |
136 | { | |
94b18763 FG |
137 | PerfCountersBuilder plb(cct, "rgw", l_rgw_first, l_rgw_last); |
138 | ||
139 | // RGW emits comparatively few metrics, so let's be generous | |
140 | // and mark them all USEFUL to get transmission to ceph-mgr by default. | |
141 | plb.set_prio_default(PerfCountersBuilder::PRIO_USEFUL); | |
7c673cae FG |
142 | |
143 | plb.add_u64_counter(l_rgw_req, "req", "Requests"); | |
144 | plb.add_u64_counter(l_rgw_failed_req, "failed_req", "Aborted requests"); | |
145 | ||
146 | plb.add_u64_counter(l_rgw_get, "get", "Gets"); | |
147 | plb.add_u64_counter(l_rgw_get_b, "get_b", "Size of gets"); | |
148 | plb.add_time_avg(l_rgw_get_lat, "get_initial_lat", "Get latency"); | |
149 | plb.add_u64_counter(l_rgw_put, "put", "Puts"); | |
150 | plb.add_u64_counter(l_rgw_put_b, "put_b", "Size of puts"); | |
151 | plb.add_time_avg(l_rgw_put_lat, "put_initial_lat", "Put latency"); | |
152 | ||
153 | plb.add_u64(l_rgw_qlen, "qlen", "Queue length"); | |
154 | plb.add_u64(l_rgw_qactive, "qactive", "Active requests queue"); | |
155 | ||
156 | plb.add_u64_counter(l_rgw_cache_hit, "cache_hit", "Cache hits"); | |
157 | plb.add_u64_counter(l_rgw_cache_miss, "cache_miss", "Cache miss"); | |
158 | ||
159 | plb.add_u64_counter(l_rgw_keystone_token_cache_hit, "keystone_token_cache_hit", "Keystone token cache hits"); | |
160 | plb.add_u64_counter(l_rgw_keystone_token_cache_miss, "keystone_token_cache_miss", "Keystone token cache miss"); | |
161 | ||
162 | perfcounter = plb.create_perf_counters(); | |
163 | cct->get_perfcounters_collection()->add(perfcounter); | |
164 | return 0; | |
165 | } | |
166 | ||
167 | void rgw_perf_stop(CephContext *cct) | |
168 | { | |
169 | assert(perfcounter); | |
170 | cct->get_perfcounters_collection()->remove(perfcounter); | |
171 | delete perfcounter; | |
172 | } | |
173 | ||
174 | using namespace ceph::crypto; | |
175 | ||
176 | rgw_err:: | |
177 | rgw_err() | |
178 | { | |
179 | clear(); | |
180 | } | |
181 | ||
7c673cae FG |
182 | void rgw_err:: |
183 | clear() | |
184 | { | |
185 | http_ret = 200; | |
186 | ret = 0; | |
31f18b77 | 187 | err_code.clear(); |
7c673cae FG |
188 | } |
189 | ||
190 | bool rgw_err:: | |
191 | is_clear() const | |
192 | { | |
193 | return (http_ret == 200); | |
194 | } | |
195 | ||
196 | bool rgw_err:: | |
197 | is_err() const | |
198 | { | |
199 | return !(http_ret >= 200 && http_ret <= 399); | |
200 | } | |
201 | ||
202 | // The requestURI transferred from the frontend can be abs_path or absoluteURI | |
203 | // If it is absoluteURI, we should adjust it to abs_path for the following | |
204 | // S3 authorization and some other processes depending on the requestURI | |
205 | // The absoluteURI can start with "http://", "https://", "ws://" or "wss://" | |
206 | static string get_abs_path(const string& request_uri) { | |
207 | const static string ABS_PREFIXS[] = {"http://", "https://", "ws://", "wss://"}; | |
208 | bool isAbs = false; | |
209 | for (int i = 0; i < 4; ++i) { | |
210 | if (boost::algorithm::starts_with(request_uri, ABS_PREFIXS[i])) { | |
211 | isAbs = true; | |
212 | break; | |
213 | } | |
214 | } | |
215 | if (!isAbs) { // it is not a valid absolute uri | |
216 | return request_uri; | |
217 | } | |
218 | size_t beg_pos = request_uri.find("://") + 3; | |
219 | size_t len = request_uri.size(); | |
220 | beg_pos = request_uri.find('/', beg_pos); | |
221 | if (beg_pos == string::npos) return request_uri; | |
222 | return request_uri.substr(beg_pos, len - beg_pos); | |
223 | } | |
224 | ||
31f18b77 | 225 | req_info::req_info(CephContext *cct, const class RGWEnv *env) : env(env) { |
7c673cae FG |
226 | method = env->get("REQUEST_METHOD", ""); |
227 | script_uri = env->get("SCRIPT_URI", cct->_conf->rgw_script_uri.c_str()); | |
228 | request_uri = env->get("REQUEST_URI", cct->_conf->rgw_request_uri.c_str()); | |
229 | if (request_uri[0] != '/') { | |
230 | request_uri = get_abs_path(request_uri); | |
231 | } | |
31f18b77 FG |
232 | auto pos = request_uri.find('?'); |
233 | if (pos != string::npos) { | |
7c673cae FG |
234 | request_params = request_uri.substr(pos + 1); |
235 | request_uri = request_uri.substr(0, pos); | |
236 | } else { | |
237 | request_params = env->get("QUERY_STRING", ""); | |
238 | } | |
239 | host = env->get("HTTP_HOST", ""); | |
240 | ||
241 | // strip off any trailing :port from host (added by CrossFTP and maybe others) | |
242 | size_t colon_offset = host.find_last_of(':'); | |
243 | if (colon_offset != string::npos) { | |
244 | bool all_digits = true; | |
245 | for (unsigned i = colon_offset + 1; i < host.size(); ++i) { | |
246 | if (!isdigit(host[i])) { | |
247 | all_digits = false; | |
248 | break; | |
249 | } | |
250 | } | |
251 | if (all_digits) { | |
252 | host.resize(colon_offset); | |
253 | } | |
254 | } | |
255 | } | |
256 | ||
257 | void req_info::rebuild_from(req_info& src) | |
258 | { | |
259 | method = src.method; | |
260 | script_uri = src.script_uri; | |
261 | args = src.args; | |
262 | if (src.effective_uri.empty()) { | |
263 | request_uri = src.request_uri; | |
264 | } else { | |
265 | request_uri = src.effective_uri; | |
266 | } | |
267 | effective_uri.clear(); | |
268 | host = src.host; | |
269 | ||
270 | x_meta_map = src.x_meta_map; | |
271 | x_meta_map.erase("x-amz-date"); | |
272 | } | |
273 | ||
274 | ||
275 | req_state::req_state(CephContext* _cct, RGWEnv* e, RGWUserInfo* u) | |
276 | : cct(_cct), cio(NULL), op(OP_UNKNOWN), user(u), has_acl_header(false), | |
277 | info(_cct, e) | |
278 | { | |
279 | enable_ops_log = e->conf.enable_ops_log; | |
280 | enable_usage_log = e->conf.enable_usage_log; | |
281 | defer_to_bucket_acls = e->conf.defer_to_bucket_acls; | |
282 | content_started = false; | |
283 | format = 0; | |
284 | formatter = NULL; | |
7c673cae | 285 | expect_cont = false; |
7c673cae | 286 | |
7c673cae FG |
287 | obj_size = 0; |
288 | prot_flags = 0; | |
289 | ||
290 | system_request = false; | |
291 | ||
292 | time = ceph_clock_now(); | |
293 | perm_mask = 0; | |
294 | bucket_instance_shard_id = -1; | |
295 | content_length = 0; | |
296 | bucket_exists = false; | |
297 | has_bad_meta = false; | |
298 | length = NULL; | |
7c673cae FG |
299 | local_source = false; |
300 | ||
301 | obj_ctx = NULL; | |
302 | } | |
303 | ||
304 | req_state::~req_state() { | |
305 | delete formatter; | |
7c673cae FG |
306 | } |
307 | ||
31f18b77 FG |
308 | bool search_err(rgw_http_errors& errs, int err_no, bool is_website_redirect, int& http_ret, string& code) |
309 | { | |
310 | auto r = errs.find(err_no); | |
311 | if (r != errs.end()) { | |
312 | if (! is_website_redirect) | |
313 | http_ret = r->second.first; | |
314 | code = r->second.second; | |
315 | return true; | |
316 | } | |
317 | return false; | |
318 | } | |
319 | ||
320 | void set_req_state_err(struct rgw_err& err, /* out */ | |
321 | int err_no, /* in */ | |
322 | const int prot_flags) /* in */ | |
323 | { | |
324 | if (err_no < 0) | |
325 | err_no = -err_no; | |
326 | ||
327 | err.ret = -err_no; | |
328 | bool is_website_redirect = false; | |
329 | ||
330 | if (prot_flags & RGW_REST_SWIFT) { | |
331 | if (search_err(rgw_http_swift_errors, err_no, is_website_redirect, err.http_ret, err.err_code)) | |
332 | return; | |
333 | } | |
334 | ||
335 | //Default to searching in s3 errors | |
336 | is_website_redirect |= (prot_flags & RGW_REST_WEBSITE) | |
337 | && err_no == ERR_WEBSITE_REDIRECT && err.is_clear(); | |
338 | if (search_err(rgw_http_s3_errors, err_no, is_website_redirect, err.http_ret, err.err_code)) | |
339 | return; | |
340 | dout(0) << "WARNING: set_req_state_err err_no=" << err_no | |
341 | << " resorting to 500" << dendl; | |
342 | ||
343 | err.http_ret = 500; | |
344 | err.err_code = "UnknownError"; | |
345 | } | |
346 | ||
347 | void set_req_state_err(struct req_state* s, int err_no, const string& err_msg) | |
348 | { | |
349 | if (s) { | |
350 | set_req_state_err(s, err_no); | |
3efd9988 FG |
351 | if (s->prot_flags & RGW_REST_SWIFT && !err_msg.empty()) { |
352 | /* TODO(rzarzynski): there never ever should be a check like this one. | |
353 | * It's here only for the sake of the patch's backportability. Further | |
354 | * commits will move the logic to a per-RGWHandler replacement of | |
355 | * the end_header() function. Alternativaly, we might consider making | |
356 | * that just for the dump(). Please take a look on @cbodley's comments | |
357 | * in PR #10690 (https://github.com/ceph/ceph/pull/10690). */ | |
358 | s->err.err_code = err_msg; | |
359 | } else { | |
360 | s->err.message = err_msg; | |
361 | } | |
31f18b77 FG |
362 | } |
363 | } | |
364 | ||
365 | void set_req_state_err(struct req_state* s, int err_no) | |
366 | { | |
367 | if (s) { | |
368 | set_req_state_err(s->err, err_no, s->prot_flags); | |
369 | } | |
370 | } | |
371 | ||
372 | void dump(struct req_state* s) | |
373 | { | |
374 | if (s->format != RGW_FORMAT_HTML) | |
375 | s->formatter->open_object_section("Error"); | |
376 | if (!s->err.err_code.empty()) | |
377 | s->formatter->dump_string("Code", s->err.err_code); | |
378 | if (!s->err.message.empty()) | |
379 | s->formatter->dump_string("Message", s->err.message); | |
380 | if (!s->bucket_name.empty()) // TODO: connect to expose_bucket | |
381 | s->formatter->dump_string("BucketName", s->bucket_name); | |
382 | if (!s->trans_id.empty()) // TODO: connect to expose_bucket or another toggle | |
383 | s->formatter->dump_string("RequestId", s->trans_id); | |
384 | s->formatter->dump_string("HostId", s->host_id); | |
385 | if (s->format != RGW_FORMAT_HTML) | |
386 | s->formatter->close_section(); | |
387 | } | |
388 | ||
7c673cae FG |
389 | struct str_len { |
390 | const char *str; | |
391 | int len; | |
392 | }; | |
393 | ||
394 | #define STR_LEN_ENTRY(s) { s, sizeof(s) - 1 } | |
395 | ||
396 | struct str_len meta_prefixes[] = { STR_LEN_ENTRY("HTTP_X_AMZ"), | |
397 | STR_LEN_ENTRY("HTTP_X_GOOG"), | |
398 | STR_LEN_ENTRY("HTTP_X_DHO"), | |
399 | STR_LEN_ENTRY("HTTP_X_RGW"), | |
400 | STR_LEN_ENTRY("HTTP_X_OBJECT"), | |
401 | STR_LEN_ENTRY("HTTP_X_CONTAINER"), | |
402 | STR_LEN_ENTRY("HTTP_X_ACCOUNT"), | |
403 | {NULL, 0} }; | |
404 | ||
7c673cae FG |
405 | void req_info::init_meta_info(bool *found_bad_meta) |
406 | { | |
407 | x_meta_map.clear(); | |
408 | ||
31f18b77 | 409 | for (const auto& kv: env->get_map()) { |
7c673cae | 410 | const char *prefix; |
31f18b77 FG |
411 | const string& header_name = kv.first; |
412 | const string& val = kv.second; | |
7c673cae FG |
413 | for (int prefix_num = 0; (prefix = meta_prefixes[prefix_num].str) != NULL; prefix_num++) { |
414 | int len = meta_prefixes[prefix_num].len; | |
415 | const char *p = header_name.c_str(); | |
416 | if (strncmp(p, prefix, len) == 0) { | |
417 | dout(10) << "meta>> " << p << dendl; | |
418 | const char *name = p+len; /* skip the prefix */ | |
419 | int name_len = header_name.size() - len; | |
420 | ||
421 | if (found_bad_meta && strncmp(name, "_META_", name_len) == 0) | |
422 | *found_bad_meta = true; | |
423 | ||
424 | char name_low[meta_prefixes[0].len + name_len + 1]; | |
425 | snprintf(name_low, meta_prefixes[0].len - 5 + name_len + 1, "%s%s", meta_prefixes[0].str + 5 /* skip HTTP_ */, name); // normalize meta prefix | |
426 | int j; | |
427 | for (j = 0; name_low[j]; j++) { | |
428 | if (name_low[j] != '_') | |
429 | name_low[j] = tolower(name_low[j]); | |
430 | else | |
431 | name_low[j] = '-'; | |
432 | } | |
433 | name_low[j] = 0; | |
434 | ||
31f18b77 FG |
435 | auto it = x_meta_map.find(name_low); |
436 | if (it != x_meta_map.end()) { | |
437 | string old = it->second; | |
438 | boost::algorithm::trim_right(old); | |
7c673cae FG |
439 | old.append(","); |
440 | old.append(val); | |
441 | x_meta_map[name_low] = old; | |
442 | } else { | |
443 | x_meta_map[name_low] = val; | |
444 | } | |
445 | } | |
446 | } | |
447 | } | |
31f18b77 FG |
448 | for (const auto& kv: x_meta_map) { |
449 | dout(10) << "x>> " << kv.first << ":" << rgw::crypt_sanitize::x_meta_map{kv.first, kv.second} << dendl; | |
7c673cae FG |
450 | } |
451 | } | |
452 | ||
453 | std::ostream& operator<<(std::ostream& oss, const rgw_err &err) | |
454 | { | |
31f18b77 | 455 | oss << "rgw_err(http_ret=" << err.http_ret << ", err_code='" << err.err_code << "') "; |
7c673cae FG |
456 | return oss; |
457 | } | |
458 | ||
459 | string rgw_string_unquote(const string& s) | |
460 | { | |
461 | if (s[0] != '"' || s.size() < 2) | |
462 | return s; | |
463 | ||
464 | int len; | |
465 | for (len = s.size(); len > 2; --len) { | |
466 | if (s[len - 1] != ' ') | |
467 | break; | |
468 | } | |
469 | ||
470 | if (s[len-1] != '"') | |
471 | return s; | |
472 | ||
473 | return s.substr(1, len - 2); | |
474 | } | |
475 | ||
7c673cae FG |
476 | static bool check_str_end(const char *s) |
477 | { | |
478 | if (!s) | |
479 | return false; | |
480 | ||
481 | while (*s) { | |
482 | if (!isspace(*s)) | |
483 | return false; | |
484 | s++; | |
485 | } | |
486 | return true; | |
487 | } | |
488 | ||
489 | static bool check_gmt_end(const char *s) | |
490 | { | |
491 | if (!s || !*s) | |
492 | return false; | |
493 | ||
494 | while (isspace(*s)) { | |
495 | ++s; | |
496 | } | |
497 | ||
498 | /* check for correct timezone */ | |
499 | if ((strncmp(s, "GMT", 3) != 0) && | |
500 | (strncmp(s, "UTC", 3) != 0)) { | |
501 | return false; | |
502 | } | |
503 | ||
504 | return true; | |
505 | } | |
506 | ||
507 | static bool parse_rfc850(const char *s, struct tm *t) | |
508 | { | |
509 | memset(t, 0, sizeof(*t)); | |
510 | return check_gmt_end(strptime(s, "%A, %d-%b-%y %H:%M:%S ", t)); | |
511 | } | |
512 | ||
513 | static bool parse_asctime(const char *s, struct tm *t) | |
514 | { | |
515 | memset(t, 0, sizeof(*t)); | |
516 | return check_str_end(strptime(s, "%a %b %d %H:%M:%S %Y", t)); | |
517 | } | |
518 | ||
519 | static bool parse_rfc1123(const char *s, struct tm *t) | |
520 | { | |
521 | memset(t, 0, sizeof(*t)); | |
522 | return check_gmt_end(strptime(s, "%a, %d %b %Y %H:%M:%S ", t)); | |
523 | } | |
524 | ||
525 | static bool parse_rfc1123_alt(const char *s, struct tm *t) | |
526 | { | |
527 | memset(t, 0, sizeof(*t)); | |
528 | return check_str_end(strptime(s, "%a, %d %b %Y %H:%M:%S %z", t)); | |
529 | } | |
530 | ||
531 | bool parse_rfc2616(const char *s, struct tm *t) | |
532 | { | |
533 | return parse_rfc850(s, t) || parse_asctime(s, t) || parse_rfc1123(s, t) || parse_rfc1123_alt(s,t); | |
534 | } | |
535 | ||
536 | bool parse_iso8601(const char *s, struct tm *t, uint32_t *pns, bool extended_format) | |
537 | { | |
538 | memset(t, 0, sizeof(*t)); | |
539 | const char *p; | |
540 | ||
541 | if (!s) | |
542 | s = ""; | |
543 | ||
544 | if (extended_format) { | |
545 | p = strptime(s, "%Y-%m-%dT%T", t); | |
546 | if (!p) { | |
547 | p = strptime(s, "%Y-%m-%d %T", t); | |
548 | } | |
549 | } else { | |
550 | p = strptime(s, "%Y%m%dT%H%M%S", t); | |
551 | } | |
552 | if (!p) { | |
553 | dout(0) << "parse_iso8601 failed" << dendl; | |
554 | return false; | |
555 | } | |
31f18b77 | 556 | const boost::string_view str = rgw_trim_whitespace(boost::string_view(p)); |
7c673cae FG |
557 | int len = str.size(); |
558 | ||
31f18b77 | 559 | if (len == 0 || (len == 1 && str[0] == 'Z')) |
7c673cae FG |
560 | return true; |
561 | ||
562 | if (str[0] != '.' || | |
563 | str[len - 1] != 'Z') | |
564 | return false; | |
565 | ||
566 | uint32_t ms; | |
31f18b77 FG |
567 | boost::string_view nsstr = str.substr(1, len - 2); |
568 | int r = stringtoul(nsstr.to_string(), &ms); | |
7c673cae FG |
569 | if (r < 0) |
570 | return false; | |
571 | ||
572 | if (!pns) { | |
573 | return true; | |
574 | } | |
575 | ||
576 | if (nsstr.size() > 9) { | |
577 | nsstr = nsstr.substr(0, 9); | |
578 | } | |
579 | ||
580 | uint64_t mul_table[] = { 0, | |
581 | 100000000LL, | |
582 | 10000000LL, | |
583 | 1000000LL, | |
584 | 100000LL, | |
585 | 10000LL, | |
586 | 1000LL, | |
587 | 100LL, | |
588 | 10LL, | |
589 | 1 }; | |
590 | ||
591 | ||
592 | *pns = ms * mul_table[nsstr.size()]; | |
593 | ||
594 | return true; | |
595 | } | |
596 | ||
597 | int parse_key_value(string& in_str, const char *delim, string& key, string& val) | |
598 | { | |
599 | if (delim == NULL) | |
600 | return -EINVAL; | |
601 | ||
31f18b77 FG |
602 | auto pos = in_str.find(delim); |
603 | if (pos == string::npos) | |
7c673cae FG |
604 | return -EINVAL; |
605 | ||
31f18b77 FG |
606 | key = rgw_trim_whitespace(in_str.substr(0, pos)); |
607 | val = rgw_trim_whitespace(in_str.substr(pos + 1)); | |
7c673cae FG |
608 | |
609 | return 0; | |
610 | } | |
611 | ||
612 | int parse_key_value(string& in_str, string& key, string& val) | |
613 | { | |
614 | return parse_key_value(in_str, "=", key,val); | |
615 | } | |
616 | ||
31f18b77 FG |
617 | boost::optional<std::pair<boost::string_view, boost::string_view>> |
618 | parse_key_value(const boost::string_view& in_str, | |
619 | const boost::string_view& delim) | |
620 | { | |
621 | const size_t pos = in_str.find(delim); | |
622 | if (pos == boost::string_view::npos) { | |
623 | return boost::none; | |
624 | } | |
625 | ||
626 | const auto key = rgw_trim_whitespace(in_str.substr(0, pos)); | |
627 | const auto val = rgw_trim_whitespace(in_str.substr(pos + 1)); | |
628 | ||
629 | return std::make_pair(key, val); | |
630 | } | |
631 | ||
632 | boost::optional<std::pair<boost::string_view, boost::string_view>> | |
633 | parse_key_value(const boost::string_view& in_str) | |
634 | { | |
635 | return parse_key_value(in_str, "="); | |
636 | } | |
637 | ||
7c673cae FG |
638 | int parse_time(const char *time_str, real_time *time) |
639 | { | |
640 | struct tm tm; | |
641 | uint32_t ns = 0; | |
642 | ||
643 | if (!parse_rfc2616(time_str, &tm) && !parse_iso8601(time_str, &tm, &ns)) { | |
644 | return -EINVAL; | |
645 | } | |
646 | ||
647 | time_t sec = internal_timegm(&tm); | |
648 | *time = utime_t(sec, ns).to_real_time(); | |
649 | ||
650 | return 0; | |
651 | } | |
652 | ||
653 | #define TIME_BUF_SIZE 128 | |
654 | ||
655 | void rgw_to_iso8601(const real_time& t, char *dest, int buf_size) | |
656 | { | |
657 | utime_t ut(t); | |
658 | ||
659 | char buf[TIME_BUF_SIZE]; | |
660 | struct tm result; | |
661 | time_t epoch = ut.sec(); | |
662 | struct tm *tmp = gmtime_r(&epoch, &result); | |
663 | if (tmp == NULL) | |
664 | return; | |
665 | ||
666 | if (strftime(buf, sizeof(buf), "%Y-%m-%dT%T", tmp) == 0) | |
667 | return; | |
668 | ||
669 | snprintf(dest, buf_size, "%s.%03dZ", buf, (int)(ut.usec() / 1000)); | |
670 | } | |
671 | ||
672 | void rgw_to_iso8601(const real_time& t, string *dest) | |
673 | { | |
674 | char buf[TIME_BUF_SIZE]; | |
675 | rgw_to_iso8601(t, buf, sizeof(buf)); | |
676 | *dest = buf; | |
677 | } | |
678 | ||
c07f9fc5 FG |
679 | |
680 | string rgw_to_asctime(const utime_t& t) | |
681 | { | |
682 | stringstream s; | |
683 | t.asctime(s); | |
684 | return s.str(); | |
685 | } | |
686 | ||
7c673cae FG |
687 | /* |
688 | * calculate the sha1 value of a given msg and key | |
689 | */ | |
690 | void calc_hmac_sha1(const char *key, int key_len, | |
691 | const char *msg, int msg_len, char *dest) | |
692 | /* destination should be CEPH_CRYPTO_HMACSHA1_DIGESTSIZE bytes long */ | |
693 | { | |
694 | HMACSHA1 hmac((const unsigned char *)key, key_len); | |
695 | hmac.Update((const unsigned char *)msg, msg_len); | |
696 | hmac.Final((unsigned char *)dest); | |
697 | } | |
698 | ||
699 | /* | |
700 | * calculate the sha256 value of a given msg and key | |
701 | */ | |
702 | void calc_hmac_sha256(const char *key, int key_len, | |
703 | const char *msg, int msg_len, char *dest) | |
704 | { | |
705 | char hash_sha256[CEPH_CRYPTO_HMACSHA256_DIGESTSIZE]; | |
706 | ||
707 | HMACSHA256 hmac((const unsigned char *)key, key_len); | |
708 | hmac.Update((const unsigned char *)msg, msg_len); | |
709 | hmac.Final((unsigned char *)hash_sha256); | |
710 | ||
711 | memcpy(dest, hash_sha256, CEPH_CRYPTO_HMACSHA256_DIGESTSIZE); | |
712 | } | |
713 | ||
31f18b77 FG |
714 | using ceph::crypto::SHA256; |
715 | ||
7c673cae FG |
716 | /* |
717 | * calculate the sha256 hash value of a given msg | |
718 | */ | |
31f18b77 | 719 | sha256_digest_t calc_hash_sha256(const boost::string_view& msg) |
7c673cae | 720 | { |
31f18b77 | 721 | std::array<unsigned char, CEPH_CRYPTO_HMACSHA256_DIGESTSIZE> hash; |
7c673cae | 722 | |
31f18b77 FG |
723 | SHA256 hasher; |
724 | hasher.Update(reinterpret_cast<const unsigned char*>(msg.data()), msg.size()); | |
725 | hasher.Final(hash.data()); | |
7c673cae | 726 | |
31f18b77 | 727 | return hash; |
7c673cae FG |
728 | } |
729 | ||
7c673cae FG |
730 | SHA256* calc_hash_sha256_open_stream() |
731 | { | |
732 | return new SHA256; | |
733 | } | |
734 | ||
735 | void calc_hash_sha256_update_stream(SHA256 *hash, const char *msg, int len) | |
736 | { | |
737 | hash->Update((const unsigned char *)msg, len); | |
738 | } | |
739 | ||
740 | string calc_hash_sha256_close_stream(SHA256 **phash) | |
741 | { | |
742 | SHA256 *hash = *phash; | |
743 | if (!hash) { | |
744 | hash = calc_hash_sha256_open_stream(); | |
745 | } | |
746 | char hash_sha256[CEPH_CRYPTO_HMACSHA256_DIGESTSIZE]; | |
747 | ||
748 | hash->Final((unsigned char *)hash_sha256); | |
749 | ||
750 | char hex_str[(CEPH_CRYPTO_SHA256_DIGESTSIZE * 2) + 1]; | |
751 | buf_to_hex((unsigned char *)hash_sha256, CEPH_CRYPTO_SHA256_DIGESTSIZE, hex_str); | |
752 | ||
753 | delete hash; | |
754 | *phash = NULL; | |
755 | ||
756 | return std::string(hex_str); | |
757 | } | |
758 | ||
31f18b77 FG |
759 | std::string calc_hash_sha256_restart_stream(SHA256 **phash) |
760 | { | |
761 | const auto hash = calc_hash_sha256_close_stream(phash); | |
762 | *phash = calc_hash_sha256_open_stream(); | |
763 | ||
764 | return hash; | |
765 | } | |
766 | ||
7c673cae FG |
767 | int gen_rand_base64(CephContext *cct, char *dest, int size) /* size should be the required string size + 1 */ |
768 | { | |
769 | char buf[size]; | |
770 | char tmp_dest[size + 4]; /* so that there's space for the extra '=' characters, and some */ | |
771 | int ret; | |
772 | ||
773 | ret = get_random_bytes(buf, sizeof(buf)); | |
774 | if (ret < 0) { | |
775 | lderr(cct) << "cannot get random bytes: " << cpp_strerror(-ret) << dendl; | |
776 | return ret; | |
777 | } | |
778 | ||
779 | ret = ceph_armor(tmp_dest, &tmp_dest[sizeof(tmp_dest)], | |
780 | (const char *)buf, ((const char *)buf) + ((size - 1) * 3 + 4 - 1) / 4); | |
781 | if (ret < 0) { | |
782 | lderr(cct) << "ceph_armor failed" << dendl; | |
783 | return ret; | |
784 | } | |
785 | tmp_dest[ret] = '\0'; | |
786 | memcpy(dest, tmp_dest, size); | |
787 | dest[size-1] = '\0'; | |
788 | ||
789 | return 0; | |
790 | } | |
791 | ||
792 | static const char alphanum_upper_table[]="0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"; | |
793 | ||
794 | int gen_rand_alphanumeric_upper(CephContext *cct, char *dest, int size) /* size should be the required string size + 1 */ | |
795 | { | |
796 | int ret = get_random_bytes(dest, size); | |
797 | if (ret < 0) { | |
798 | lderr(cct) << "cannot get random bytes: " << cpp_strerror(-ret) << dendl; | |
799 | return ret; | |
800 | } | |
801 | ||
802 | int i; | |
803 | for (i=0; i<size - 1; i++) { | |
804 | int pos = (unsigned)dest[i]; | |
805 | dest[i] = alphanum_upper_table[pos % (sizeof(alphanum_upper_table) - 1)]; | |
806 | } | |
807 | dest[i] = '\0'; | |
808 | ||
809 | return 0; | |
810 | } | |
811 | ||
812 | static const char alphanum_lower_table[]="0123456789abcdefghijklmnopqrstuvwxyz"; | |
813 | ||
814 | int gen_rand_alphanumeric_lower(CephContext *cct, char *dest, int size) /* size should be the required string size + 1 */ | |
815 | { | |
816 | int ret = get_random_bytes(dest, size); | |
817 | if (ret < 0) { | |
818 | lderr(cct) << "cannot get random bytes: " << cpp_strerror(-ret) << dendl; | |
819 | return ret; | |
820 | } | |
821 | ||
822 | int i; | |
823 | for (i=0; i<size - 1; i++) { | |
824 | int pos = (unsigned)dest[i]; | |
825 | dest[i] = alphanum_lower_table[pos % (sizeof(alphanum_lower_table) - 1)]; | |
826 | } | |
827 | dest[i] = '\0'; | |
828 | ||
829 | return 0; | |
830 | } | |
831 | ||
832 | int gen_rand_alphanumeric_lower(CephContext *cct, string *str, int length) | |
833 | { | |
834 | char buf[length + 1]; | |
835 | int ret = gen_rand_alphanumeric_lower(cct, buf, sizeof(buf)); | |
836 | if (ret < 0) { | |
837 | return ret; | |
838 | } | |
839 | *str = buf; | |
840 | return 0; | |
841 | } | |
842 | ||
843 | // this is basically a modified base64 charset, url friendly | |
844 | static const char alphanum_table[]="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_"; | |
845 | ||
846 | int gen_rand_alphanumeric(CephContext *cct, char *dest, int size) /* size should be the required string size + 1 */ | |
847 | { | |
848 | int ret = get_random_bytes(dest, size); | |
849 | if (ret < 0) { | |
850 | lderr(cct) << "cannot get random bytes: " << cpp_strerror(-ret) << dendl; | |
851 | return ret; | |
852 | } | |
853 | ||
854 | int i; | |
855 | for (i=0; i<size - 1; i++) { | |
856 | int pos = (unsigned)dest[i]; | |
857 | dest[i] = alphanum_table[pos & 63]; | |
858 | } | |
859 | dest[i] = '\0'; | |
860 | ||
861 | return 0; | |
862 | } | |
863 | ||
864 | static const char alphanum_no_underscore_table[]="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-."; | |
865 | ||
866 | int gen_rand_alphanumeric_no_underscore(CephContext *cct, char *dest, int size) /* size should be the required string size + 1 */ | |
867 | { | |
868 | int ret = get_random_bytes(dest, size); | |
869 | if (ret < 0) { | |
870 | lderr(cct) << "cannot get random bytes: " << cpp_strerror(-ret) << dendl; | |
871 | return ret; | |
872 | } | |
873 | ||
874 | int i; | |
875 | for (i=0; i<size - 1; i++) { | |
876 | int pos = (unsigned)dest[i]; | |
877 | dest[i] = alphanum_no_underscore_table[pos & 63]; | |
878 | } | |
879 | dest[i] = '\0'; | |
880 | ||
881 | return 0; | |
882 | } | |
883 | ||
884 | static const char alphanum_plain_table[]="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"; | |
885 | ||
886 | int gen_rand_alphanumeric_plain(CephContext *cct, char *dest, int size) /* size should be the required string size + 1 */ | |
887 | { | |
888 | int ret = get_random_bytes(dest, size); | |
889 | if (ret < 0) { | |
890 | lderr(cct) << "cannot get random bytes: " << cpp_strerror(-ret) << dendl; | |
891 | return ret; | |
892 | } | |
893 | ||
894 | int i; | |
895 | for (i=0; i<size - 1; i++) { | |
896 | int pos = (unsigned)dest[i]; | |
897 | dest[i] = alphanum_plain_table[pos % (sizeof(alphanum_plain_table) - 1)]; | |
898 | } | |
899 | dest[i] = '\0'; | |
900 | ||
901 | return 0; | |
902 | } | |
903 | ||
904 | int NameVal::parse() | |
905 | { | |
31f18b77 | 906 | auto delim_pos = str.find('='); |
7c673cae FG |
907 | int ret = 0; |
908 | ||
31f18b77 | 909 | if (delim_pos == string::npos) { |
7c673cae FG |
910 | name = str; |
911 | val = ""; | |
912 | ret = 1; | |
913 | } else { | |
914 | name = str.substr(0, delim_pos); | |
915 | val = str.substr(delim_pos + 1); | |
916 | } | |
917 | ||
918 | return ret; | |
919 | } | |
920 | ||
921 | int RGWHTTPArgs::parse() | |
922 | { | |
923 | int pos = 0; | |
924 | bool end = false; | |
925 | ||
926 | if (str.empty()) | |
927 | return 0; | |
928 | ||
929 | if (str[pos] == '?') | |
930 | pos++; | |
931 | ||
932 | while (!end) { | |
933 | int fpos = str.find('&', pos); | |
934 | if (fpos < pos) { | |
935 | end = true; | |
936 | fpos = str.size(); | |
937 | } | |
31f18b77 FG |
938 | std::string nameval = url_decode(str.substr(pos, fpos - pos), true); |
939 | NameVal nv(std::move(nameval)); | |
7c673cae FG |
940 | int ret = nv.parse(); |
941 | if (ret >= 0) { | |
942 | string& name = nv.get_name(); | |
943 | string& val = nv.get_val(); | |
944 | ||
945 | append(name, val); | |
946 | } | |
947 | ||
948 | pos = fpos + 1; | |
949 | } | |
950 | ||
951 | return 0; | |
952 | } | |
953 | ||
954 | void RGWHTTPArgs::append(const string& name, const string& val) | |
955 | { | |
956 | if (name.compare(0, sizeof(RGW_SYS_PARAM_PREFIX) - 1, RGW_SYS_PARAM_PREFIX) == 0) { | |
957 | sys_val_map[name] = val; | |
958 | } else { | |
959 | val_map[name] = val; | |
960 | } | |
961 | ||
962 | if ((name.compare("acl") == 0) || | |
963 | (name.compare("cors") == 0) || | |
964 | (name.compare("location") == 0) || | |
965 | (name.compare("logging") == 0) || | |
966 | (name.compare("usage") == 0) || | |
967 | (name.compare("lifecycle") == 0) || | |
968 | (name.compare("delete") == 0) || | |
969 | (name.compare("uploads") == 0) || | |
970 | (name.compare("partNumber") == 0) || | |
971 | (name.compare("uploadId") == 0) || | |
972 | (name.compare("versionId") == 0) || | |
973 | (name.compare("start-date") == 0) || | |
974 | (name.compare("end-date") == 0) || | |
975 | (name.compare("versions") == 0) || | |
976 | (name.compare("versioning") == 0) || | |
977 | (name.compare("website") == 0) || | |
978 | (name.compare("requestPayment") == 0) || | |
224ce89b WB |
979 | (name.compare("torrent") == 0) || |
980 | (name.compare("tagging") == 0)) { | |
7c673cae FG |
981 | sub_resources[name] = val; |
982 | } else if (name[0] == 'r') { // root of all evil | |
983 | if ((name.compare("response-content-type") == 0) || | |
984 | (name.compare("response-content-language") == 0) || | |
985 | (name.compare("response-expires") == 0) || | |
986 | (name.compare("response-cache-control") == 0) || | |
987 | (name.compare("response-content-disposition") == 0) || | |
988 | (name.compare("response-content-encoding") == 0)) { | |
989 | sub_resources[name] = val; | |
990 | has_resp_modifier = true; | |
991 | } | |
992 | } else if ((name.compare("subuser") == 0) || | |
993 | (name.compare("key") == 0) || | |
994 | (name.compare("caps") == 0) || | |
995 | (name.compare("index") == 0) || | |
996 | (name.compare("policy") == 0) || | |
997 | (name.compare("quota") == 0) || | |
998 | (name.compare("object") == 0)) { | |
999 | ||
1000 | if (!admin_subresource_added) { | |
1001 | sub_resources[name] = ""; | |
1002 | admin_subresource_added = true; | |
1003 | } | |
1004 | } | |
1005 | } | |
1006 | ||
1007 | const string& RGWHTTPArgs::get(const string& name, bool *exists) const | |
1008 | { | |
1009 | auto iter = val_map.find(name); | |
1010 | bool e = (iter != std::end(val_map)); | |
1011 | if (exists) | |
1012 | *exists = e; | |
1013 | if (e) | |
1014 | return iter->second; | |
1015 | return empty_str; | |
1016 | } | |
1017 | ||
d2e6a577 FG |
1018 | boost::optional<const std::string&> |
1019 | RGWHTTPArgs::get_optional(const std::string& name) const | |
1020 | { | |
1021 | bool exists; | |
1022 | const std::string& value = get(name, &exists); | |
1023 | if (exists) { | |
1024 | return value; | |
1025 | } else { | |
1026 | return boost::none; | |
1027 | } | |
1028 | } | |
1029 | ||
7c673cae FG |
1030 | int RGWHTTPArgs::get_bool(const string& name, bool *val, bool *exists) |
1031 | { | |
1032 | map<string, string>::iterator iter; | |
1033 | iter = val_map.find(name); | |
1034 | bool e = (iter != val_map.end()); | |
1035 | if (exists) | |
1036 | *exists = e; | |
1037 | ||
1038 | if (e) { | |
1039 | const char *s = iter->second.c_str(); | |
1040 | ||
1041 | if (strcasecmp(s, "false") == 0) { | |
1042 | *val = false; | |
1043 | } else if (strcasecmp(s, "true") == 0) { | |
1044 | *val = true; | |
1045 | } else { | |
1046 | return -EINVAL; | |
1047 | } | |
1048 | } | |
1049 | ||
1050 | return 0; | |
1051 | } | |
1052 | ||
1053 | int RGWHTTPArgs::get_bool(const char *name, bool *val, bool *exists) | |
1054 | { | |
1055 | string s(name); | |
1056 | return get_bool(s, val, exists); | |
1057 | } | |
1058 | ||
1059 | void RGWHTTPArgs::get_bool(const char *name, bool *val, bool def_val) | |
1060 | { | |
1061 | bool exists = false; | |
1062 | if ((get_bool(name, val, &exists) < 0) || | |
1063 | !exists) { | |
1064 | *val = def_val; | |
1065 | } | |
1066 | } | |
1067 | ||
1068 | string RGWHTTPArgs::sys_get(const string& name, bool * const exists) const | |
1069 | { | |
1070 | const auto iter = sys_val_map.find(name); | |
1071 | const bool e = (iter != sys_val_map.end()); | |
1072 | ||
1073 | if (exists) { | |
1074 | *exists = e; | |
1075 | } | |
1076 | ||
1077 | return e ? iter->second : string(); | |
1078 | } | |
1079 | ||
f64942e4 AA |
1080 | bool rgw_transport_is_secure(CephContext *cct, const RGWEnv& env) |
1081 | { | |
1082 | const auto& m = env.get_map(); | |
1083 | // frontend connected with ssl | |
1084 | if (m.count("SERVER_PORT_SECURE")) { | |
1085 | return true; | |
1086 | } | |
1087 | // ignore proxy headers unless explicitly enabled | |
1088 | if (!cct->_conf->rgw_trust_forwarded_https) { | |
1089 | return false; | |
1090 | } | |
1091 | // https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Forwarded | |
1092 | // Forwarded: by=<identifier>; for=<identifier>; host=<host>; proto=<http|https> | |
1093 | auto i = m.find("HTTP_FORWARDED"); | |
1094 | if (i != m.end() && i->second.find("proto=https") != std::string::npos) { | |
1095 | return true; | |
1096 | } | |
1097 | // https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/X-Forwarded-Proto | |
1098 | i = m.find("HTTP_X_FORWARDED_PROTO"); | |
1099 | if (i != m.end() && i->second == "https") { | |
1100 | return true; | |
1101 | } | |
1102 | return false; | |
1103 | } | |
1104 | ||
7c673cae FG |
1105 | bool verify_user_permission(struct req_state * const s, |
1106 | RGWAccessControlPolicy * const user_acl, | |
1107 | const int perm) | |
1108 | { | |
1109 | /* S3 doesn't support account ACLs. */ | |
1110 | if (!user_acl) | |
1111 | return true; | |
1112 | ||
1113 | if ((perm & (int)s->perm_mask) != perm) | |
1114 | return false; | |
1115 | ||
1116 | return user_acl->verify_permission(*s->auth.identity, perm, perm); | |
1117 | } | |
1118 | ||
1119 | bool verify_user_permission(struct req_state * const s, | |
1120 | const int perm) | |
1121 | { | |
1122 | return verify_user_permission(s, s->user_acl.get(), perm); | |
1123 | } | |
1124 | ||
1125 | bool verify_requester_payer_permission(struct req_state *s) | |
1126 | { | |
1127 | if (!s->bucket_info.requester_pays) | |
1128 | return true; | |
1129 | ||
1130 | if (s->auth.identity->is_owner_of(s->bucket_info.owner)) | |
1131 | return true; | |
1132 | ||
1133 | if (s->auth.identity->is_anonymous()) { | |
1134 | return false; | |
1135 | } | |
1136 | ||
1137 | const char *request_payer = s->info.env->get("HTTP_X_AMZ_REQUEST_PAYER"); | |
1138 | if (!request_payer) { | |
1139 | bool exists; | |
1140 | request_payer = s->info.args.get("x-amz-request-payer", &exists).c_str(); | |
1141 | if (!exists) { | |
1142 | return false; | |
1143 | } | |
1144 | } | |
1145 | ||
1146 | if (strcasecmp(request_payer, "requester") == 0) { | |
1147 | return true; | |
1148 | } | |
1149 | ||
1150 | return false; | |
1151 | } | |
1152 | ||
b32b8144 FG |
1153 | namespace { |
1154 | Effect eval_or_pass(const optional<Policy>& policy, | |
1155 | const rgw::IAM::Environment& env, | |
1156 | const rgw::auth::Identity& id, | |
1157 | const uint64_t op, | |
1158 | const ARN& arn) { | |
1159 | if (!policy) | |
1160 | return Effect::Pass; | |
1161 | else | |
1162 | return policy->eval(env, id, op, arn); | |
1163 | } | |
1164 | } | |
1165 | ||
7c673cae | 1166 | bool verify_bucket_permission(struct req_state * const s, |
31f18b77 | 1167 | const rgw_bucket& bucket, |
7c673cae FG |
1168 | RGWAccessControlPolicy * const user_acl, |
1169 | RGWAccessControlPolicy * const bucket_acl, | |
31f18b77 FG |
1170 | const optional<Policy>& bucket_policy, |
1171 | const uint64_t op) | |
7c673cae | 1172 | { |
31f18b77 | 1173 | if (!verify_requester_payer_permission(s)) |
7c673cae FG |
1174 | return false; |
1175 | ||
b32b8144 FG |
1176 | auto r = eval_or_pass(bucket_policy, s->env, *s->auth.identity, |
1177 | op, ARN(bucket)); | |
1178 | if (r == Effect::Allow) | |
1179 | // It looks like S3 ACLs only GRANT permissions rather than | |
1180 | // denying them, so this should be safe. | |
1181 | return true; | |
1182 | else if (r == Effect::Deny) | |
1183 | return false; | |
31f18b77 FG |
1184 | |
1185 | const auto perm = op_to_perm(op); | |
1186 | ||
1187 | return verify_bucket_permission_no_policy(s, user_acl, bucket_acl, perm); | |
1188 | } | |
1189 | ||
1190 | bool verify_bucket_permission_no_policy(struct req_state * const s, | |
1191 | RGWAccessControlPolicy * const user_acl, | |
1192 | RGWAccessControlPolicy * const bucket_acl, | |
1193 | const int perm) | |
1194 | { | |
1195 | if (!bucket_acl) | |
7c673cae FG |
1196 | return false; |
1197 | ||
31f18b77 | 1198 | if ((perm & (int)s->perm_mask) != perm) |
7c673cae FG |
1199 | return false; |
1200 | ||
1201 | if (bucket_acl->verify_permission(*s->auth.identity, perm, perm, | |
1202 | s->info.env->get("HTTP_REFERER"))) | |
1203 | return true; | |
1204 | ||
1205 | if (!user_acl) | |
1206 | return false; | |
1207 | ||
1208 | return user_acl->verify_permission(*s->auth.identity, perm, perm); | |
1209 | } | |
1210 | ||
31f18b77 FG |
1211 | bool verify_bucket_permission_no_policy(struct req_state * const s, const int perm) |
1212 | { | |
1213 | if (!verify_requester_payer_permission(s)) | |
1214 | return false; | |
1215 | ||
1216 | return verify_bucket_permission_no_policy(s, | |
c07f9fc5 FG |
1217 | s->user_acl.get(), |
1218 | s->bucket_acl.get(), | |
1219 | perm); | |
31f18b77 FG |
1220 | } |
1221 | ||
1222 | bool verify_bucket_permission(struct req_state * const s, const uint64_t op) | |
7c673cae FG |
1223 | { |
1224 | return verify_bucket_permission(s, | |
c07f9fc5 | 1225 | s->bucket, |
7c673cae | 1226 | s->user_acl.get(), |
c07f9fc5 FG |
1227 | s->bucket_acl.get(), |
1228 | s->iam_policy, | |
31f18b77 FG |
1229 | op); |
1230 | } | |
1231 | ||
b32b8144 FG |
1232 | // Authorize anyone permitted by the policy and the bucket owner |
1233 | // unless explicitly denied by the policy. | |
1234 | ||
1235 | int verify_bucket_owner_or_policy(struct req_state* const s, | |
1236 | const uint64_t op) | |
1237 | { | |
1238 | auto e = eval_or_pass(s->iam_policy, | |
1239 | s->env, *s->auth.identity, | |
1240 | op, ARN(s->bucket)); | |
1241 | if (e == Effect::Allow || | |
1242 | (e == Effect::Pass && | |
1243 | s->auth.identity->is_owner_of(s->bucket_owner.get_id()))) { | |
1244 | return 0; | |
1245 | } else { | |
1246 | return -EACCES; | |
1247 | } | |
1248 | } | |
1249 | ||
1250 | ||
31f18b77 FG |
1251 | static inline bool check_deferred_bucket_perms(struct req_state * const s, |
1252 | const rgw_bucket& bucket, | |
1253 | RGWAccessControlPolicy * const user_acl, | |
1254 | RGWAccessControlPolicy * const bucket_acl, | |
1255 | const optional<Policy>& bucket_policy, | |
1256 | const uint8_t deferred_check, | |
1257 | const uint64_t op) | |
1258 | { | |
1259 | return (s->defer_to_bucket_acls == deferred_check \ | |
1260 | && verify_bucket_permission(s, bucket, user_acl, bucket_acl, bucket_policy, op)); | |
7c673cae FG |
1261 | } |
1262 | ||
31f18b77 FG |
1263 | static inline bool check_deferred_bucket_only_acl(struct req_state * const s, |
1264 | RGWAccessControlPolicy * const user_acl, | |
1265 | RGWAccessControlPolicy * const bucket_acl, | |
1266 | const uint8_t deferred_check, | |
1267 | const int perm) | |
7c673cae FG |
1268 | { |
1269 | return (s->defer_to_bucket_acls == deferred_check \ | |
31f18b77 | 1270 | && verify_bucket_permission_no_policy(s, user_acl, bucket_acl, perm)); |
7c673cae FG |
1271 | } |
1272 | ||
1273 | bool verify_object_permission(struct req_state * const s, | |
31f18b77 | 1274 | const rgw_obj& obj, |
7c673cae FG |
1275 | RGWAccessControlPolicy * const user_acl, |
1276 | RGWAccessControlPolicy * const bucket_acl, | |
1277 | RGWAccessControlPolicy * const object_acl, | |
31f18b77 FG |
1278 | const optional<Policy>& bucket_policy, |
1279 | const uint64_t op) | |
7c673cae FG |
1280 | { |
1281 | if (!verify_requester_payer_permission(s)) | |
1282 | return false; | |
1283 | ||
b32b8144 FG |
1284 | |
1285 | auto r = eval_or_pass(bucket_policy, s->env, *s->auth.identity, op, ARN(obj)); | |
1286 | if (r == Effect::Allow) | |
1287 | // It looks like S3 ACLs only GRANT permissions rather than | |
1288 | // denying them, so this should be safe. | |
1289 | return true; | |
1290 | else if (r == Effect::Deny) | |
1291 | return false; | |
31f18b77 FG |
1292 | |
1293 | const auto perm = op_to_perm(op); | |
1294 | ||
1295 | if (check_deferred_bucket_perms(s, obj.bucket, user_acl, bucket_acl, bucket_policy, | |
1296 | RGW_DEFER_TO_BUCKET_ACLS_RECURSE, op) || | |
1297 | check_deferred_bucket_perms(s, obj.bucket, user_acl, bucket_acl, bucket_policy, | |
1298 | RGW_DEFER_TO_BUCKET_ACLS_FULL_CONTROL, rgw::IAM::s3All)) { | |
1299 | return true; | |
1300 | } | |
1301 | ||
1302 | if (!object_acl) { | |
1303 | return false; | |
1304 | } | |
1305 | ||
1306 | bool ret = object_acl->verify_permission(*s->auth.identity, s->perm_mask, perm); | |
1307 | if (ret) { | |
1308 | return true; | |
1309 | } | |
1310 | ||
1311 | if (!s->cct->_conf->rgw_enforce_swift_acls) | |
1312 | return ret; | |
1313 | ||
1314 | if ((perm & (int)s->perm_mask) != perm) | |
1315 | return false; | |
1316 | ||
1317 | int swift_perm = 0; | |
1318 | if (perm & (RGW_PERM_READ | RGW_PERM_READ_ACP)) | |
1319 | swift_perm |= RGW_PERM_READ_OBJS; | |
1320 | if (perm & RGW_PERM_WRITE) | |
1321 | swift_perm |= RGW_PERM_WRITE_OBJS; | |
1322 | ||
1323 | if (!swift_perm) | |
1324 | return false; | |
1325 | ||
1326 | /* we already verified the user mask above, so we pass swift_perm as the mask here, | |
1327 | otherwise the mask might not cover the swift permissions bits */ | |
1328 | if (bucket_acl->verify_permission(*s->auth.identity, swift_perm, swift_perm, | |
1329 | s->info.env->get("HTTP_REFERER"))) | |
1330 | return true; | |
1331 | ||
1332 | if (!user_acl) | |
1333 | return false; | |
1334 | ||
1335 | return user_acl->verify_permission(*s->auth.identity, swift_perm, swift_perm); | |
1336 | } | |
1337 | ||
1338 | bool verify_object_permission_no_policy(struct req_state * const s, | |
1339 | RGWAccessControlPolicy * const user_acl, | |
1340 | RGWAccessControlPolicy * const bucket_acl, | |
1341 | RGWAccessControlPolicy * const object_acl, | |
1342 | const int perm) | |
1343 | { | |
1344 | if (check_deferred_bucket_only_acl(s, user_acl, bucket_acl, RGW_DEFER_TO_BUCKET_ACLS_RECURSE, perm) || | |
1345 | check_deferred_bucket_only_acl(s, user_acl, bucket_acl, RGW_DEFER_TO_BUCKET_ACLS_FULL_CONTROL, RGW_PERM_FULL_CONTROL)) { | |
7c673cae FG |
1346 | return true; |
1347 | } | |
1348 | ||
1349 | if (!object_acl) { | |
1350 | return false; | |
1351 | } | |
1352 | ||
1353 | bool ret = object_acl->verify_permission(*s->auth.identity, s->perm_mask, perm); | |
1354 | if (ret) { | |
1355 | return true; | |
1356 | } | |
1357 | ||
1358 | if (!s->cct->_conf->rgw_enforce_swift_acls) | |
1359 | return ret; | |
1360 | ||
1361 | if ((perm & (int)s->perm_mask) != perm) | |
1362 | return false; | |
1363 | ||
1364 | int swift_perm = 0; | |
1365 | if (perm & (RGW_PERM_READ | RGW_PERM_READ_ACP)) | |
1366 | swift_perm |= RGW_PERM_READ_OBJS; | |
1367 | if (perm & RGW_PERM_WRITE) | |
1368 | swift_perm |= RGW_PERM_WRITE_OBJS; | |
1369 | ||
1370 | if (!swift_perm) | |
1371 | return false; | |
1372 | ||
1373 | /* we already verified the user mask above, so we pass swift_perm as the mask here, | |
1374 | otherwise the mask might not cover the swift permissions bits */ | |
1375 | if (bucket_acl->verify_permission(*s->auth.identity, swift_perm, swift_perm, | |
1376 | s->info.env->get("HTTP_REFERER"))) | |
1377 | return true; | |
1378 | ||
1379 | if (!user_acl) | |
1380 | return false; | |
1381 | ||
1382 | return user_acl->verify_permission(*s->auth.identity, swift_perm, swift_perm); | |
1383 | } | |
1384 | ||
31f18b77 FG |
1385 | bool verify_object_permission_no_policy(struct req_state *s, int perm) |
1386 | { | |
1387 | if (!verify_requester_payer_permission(s)) | |
1388 | return false; | |
1389 | ||
c07f9fc5 FG |
1390 | return verify_object_permission_no_policy(s, |
1391 | s->user_acl.get(), | |
1392 | s->bucket_acl.get(), | |
1393 | s->object_acl.get(), | |
1394 | perm); | |
31f18b77 FG |
1395 | } |
1396 | ||
1397 | bool verify_object_permission(struct req_state *s, uint64_t op) | |
7c673cae FG |
1398 | { |
1399 | return verify_object_permission(s, | |
c07f9fc5 FG |
1400 | rgw_obj(s->bucket, s->object), |
1401 | s->user_acl.get(), | |
1402 | s->bucket_acl.get(), | |
1403 | s->object_acl.get(), | |
1404 | s->iam_policy, | |
31f18b77 | 1405 | op); |
7c673cae FG |
1406 | } |
1407 | ||
1408 | class HexTable | |
1409 | { | |
1410 | char table[256]; | |
1411 | ||
1412 | public: | |
1413 | HexTable() { | |
1414 | memset(table, -1, sizeof(table)); | |
1415 | int i; | |
1416 | for (i = '0'; i<='9'; i++) | |
1417 | table[i] = i - '0'; | |
1418 | for (i = 'A'; i<='F'; i++) | |
1419 | table[i] = i - 'A' + 0xa; | |
1420 | for (i = 'a'; i<='f'; i++) | |
1421 | table[i] = i - 'a' + 0xa; | |
1422 | } | |
1423 | ||
1424 | char to_num(char c) { | |
1425 | return table[(int)c]; | |
1426 | } | |
1427 | }; | |
1428 | ||
1429 | static char hex_to_num(char c) | |
1430 | { | |
1431 | static HexTable hex_table; | |
1432 | return hex_table.to_num(c); | |
1433 | } | |
1434 | ||
31f18b77 | 1435 | std::string url_decode(const boost::string_view& src_str, bool in_query) |
7c673cae | 1436 | { |
31f18b77 FG |
1437 | std::string dest_str; |
1438 | dest_str.reserve(src_str.length() + 1); | |
7c673cae | 1439 | |
31f18b77 | 1440 | for (auto src = std::begin(src_str); src != std::end(src_str); ++src) { |
7c673cae FG |
1441 | if (*src != '%') { |
1442 | if (!in_query || *src != '+') { | |
31f18b77 FG |
1443 | if (*src == '?') { |
1444 | in_query = true; | |
1445 | } | |
1446 | dest_str.push_back(*src); | |
7c673cae | 1447 | } else { |
31f18b77 | 1448 | dest_str.push_back(' '); |
7c673cae FG |
1449 | } |
1450 | } else { | |
31f18b77 FG |
1451 | /* 3 == strlen("%%XX") */ |
1452 | if (std::distance(src, std::end(src_str)) < 3) { | |
7c673cae | 1453 | break; |
31f18b77 FG |
1454 | } |
1455 | ||
1456 | src++; | |
1457 | const char c1 = hex_to_num(*src++); | |
1458 | const char c2 = hex_to_num(*src); | |
1459 | if (c1 < 0 || c2 < 0) { | |
1460 | return std::string(); | |
1461 | } else { | |
1462 | dest_str.push_back(c1 << 4 | c2); | |
1463 | } | |
7c673cae FG |
1464 | } |
1465 | } | |
7c673cae | 1466 | |
31f18b77 | 1467 | return dest_str; |
7c673cae FG |
1468 | } |
1469 | ||
1470 | void rgw_uri_escape_char(char c, string& dst) | |
1471 | { | |
1472 | char buf[16]; | |
1473 | snprintf(buf, sizeof(buf), "%%%.2X", (int)(unsigned char)c); | |
1474 | dst.append(buf); | |
1475 | } | |
1476 | ||
1477 | static bool char_needs_url_encoding(char c) | |
1478 | { | |
1479 | if (c <= 0x20 || c >= 0x7f) | |
1480 | return true; | |
1481 | ||
1482 | switch (c) { | |
1483 | case 0x22: | |
1484 | case 0x23: | |
1485 | case 0x25: | |
1486 | case 0x26: | |
1487 | case 0x2B: | |
1488 | case 0x2C: | |
1489 | case 0x2F: | |
1490 | case 0x3A: | |
1491 | case 0x3B: | |
1492 | case 0x3C: | |
1493 | case 0x3E: | |
1494 | case 0x3D: | |
1495 | case 0x3F: | |
1496 | case 0x40: | |
1497 | case 0x5B: | |
1498 | case 0x5D: | |
1499 | case 0x5C: | |
1500 | case 0x5E: | |
1501 | case 0x60: | |
1502 | case 0x7B: | |
1503 | case 0x7D: | |
1504 | return true; | |
1505 | } | |
1506 | return false; | |
1507 | } | |
1508 | ||
1509 | void url_encode(const string& src, string& dst) | |
1510 | { | |
1511 | const char *p = src.c_str(); | |
1512 | for (unsigned i = 0; i < src.size(); i++, p++) { | |
1513 | if (char_needs_url_encoding(*p)) { | |
1514 | rgw_uri_escape_char(*p, dst); | |
1515 | continue; | |
1516 | } | |
1517 | ||
1518 | dst.append(p, 1); | |
1519 | } | |
1520 | } | |
1521 | ||
1522 | std::string url_encode(const std::string& src) | |
1523 | { | |
1524 | std::string dst; | |
1525 | url_encode(src, dst); | |
1526 | ||
1527 | return dst; | |
1528 | } | |
1529 | ||
1530 | string rgw_trim_whitespace(const string& src) | |
1531 | { | |
1532 | if (src.empty()) { | |
1533 | return string(); | |
1534 | } | |
1535 | ||
1536 | int start = 0; | |
1537 | for (; start != (int)src.size(); start++) { | |
1538 | if (!isspace(src[start])) | |
1539 | break; | |
1540 | } | |
1541 | ||
1542 | int end = src.size() - 1; | |
1543 | if (end < start) { | |
1544 | return string(); | |
1545 | } | |
1546 | ||
1547 | for (; end > start; end--) { | |
1548 | if (!isspace(src[end])) | |
1549 | break; | |
1550 | } | |
1551 | ||
1552 | return src.substr(start, end - start + 1); | |
1553 | } | |
1554 | ||
31f18b77 | 1555 | boost::string_view rgw_trim_whitespace(const boost::string_view& src) |
7c673cae | 1556 | { |
31f18b77 | 1557 | boost::string_view res = src; |
7c673cae FG |
1558 | |
1559 | while (res.size() > 0 && std::isspace(res.front())) { | |
1560 | res.remove_prefix(1); | |
1561 | } | |
1562 | while (res.size() > 0 && std::isspace(res.back())) { | |
1563 | res.remove_suffix(1); | |
1564 | } | |
1565 | return res; | |
1566 | } | |
1567 | ||
1568 | string rgw_trim_quotes(const string& val) | |
1569 | { | |
1570 | string s = rgw_trim_whitespace(val); | |
1571 | if (s.size() < 2) | |
1572 | return s; | |
1573 | ||
1574 | int start = 0; | |
1575 | int end = s.size() - 1; | |
1576 | int quotes_count = 0; | |
1577 | ||
1578 | if (s[start] == '"') { | |
1579 | start++; | |
1580 | quotes_count++; | |
1581 | } | |
1582 | if (s[end] == '"') { | |
1583 | end--; | |
1584 | quotes_count++; | |
1585 | } | |
1586 | if (quotes_count == 2) { | |
1587 | return s.substr(start, end - start + 1); | |
1588 | } | |
1589 | return s; | |
1590 | } | |
1591 | ||
1592 | struct rgw_name_to_flag { | |
1593 | const char *type_name; | |
1594 | uint32_t flag; | |
1595 | }; | |
1596 | ||
1597 | static int parse_list_of_flags(struct rgw_name_to_flag *mapping, | |
1598 | const string& str, uint32_t *perm) | |
1599 | { | |
1600 | list<string> strs; | |
1601 | get_str_list(str, strs); | |
1602 | list<string>::iterator iter; | |
1603 | uint32_t v = 0; | |
1604 | for (iter = strs.begin(); iter != strs.end(); ++iter) { | |
1605 | string& s = *iter; | |
1606 | for (int i = 0; mapping[i].type_name; i++) { | |
1607 | if (s.compare(mapping[i].type_name) == 0) | |
1608 | v |= mapping[i].flag; | |
1609 | } | |
1610 | } | |
1611 | ||
1612 | *perm = v; | |
1613 | return 0; | |
1614 | } | |
1615 | ||
1616 | static struct rgw_name_to_flag cap_names[] = { {"*", RGW_CAP_ALL}, | |
1617 | {"read", RGW_CAP_READ}, | |
1618 | {"write", RGW_CAP_WRITE}, | |
1619 | {NULL, 0} }; | |
1620 | ||
1621 | int RGWUserCaps::parse_cap_perm(const string& str, uint32_t *perm) | |
1622 | { | |
1623 | return parse_list_of_flags(cap_names, str, perm); | |
1624 | } | |
1625 | ||
1626 | int RGWUserCaps::get_cap(const string& cap, string& type, uint32_t *pperm) | |
1627 | { | |
1628 | int pos = cap.find('='); | |
1629 | if (pos >= 0) { | |
31f18b77 | 1630 | type = rgw_trim_whitespace(cap.substr(0, pos)); |
7c673cae FG |
1631 | } |
1632 | ||
1633 | if (!is_valid_cap_type(type)) | |
1634 | return -ERR_INVALID_CAP; | |
1635 | ||
1636 | string cap_perm; | |
1637 | uint32_t perm = 0; | |
1638 | if (pos < (int)cap.size() - 1) { | |
1639 | cap_perm = cap.substr(pos + 1); | |
1640 | int r = RGWUserCaps::parse_cap_perm(cap_perm, &perm); | |
1641 | if (r < 0) | |
1642 | return r; | |
1643 | } | |
1644 | ||
1645 | *pperm = perm; | |
1646 | ||
1647 | return 0; | |
1648 | } | |
1649 | ||
1650 | int RGWUserCaps::add_cap(const string& cap) | |
1651 | { | |
1652 | uint32_t perm; | |
1653 | string type; | |
1654 | ||
1655 | int r = get_cap(cap, type, &perm); | |
1656 | if (r < 0) | |
1657 | return r; | |
1658 | ||
1659 | caps[type] |= perm; | |
1660 | ||
1661 | return 0; | |
1662 | } | |
1663 | ||
1664 | int RGWUserCaps::remove_cap(const string& cap) | |
1665 | { | |
1666 | uint32_t perm; | |
1667 | string type; | |
1668 | ||
1669 | int r = get_cap(cap, type, &perm); | |
1670 | if (r < 0) | |
1671 | return r; | |
1672 | ||
1673 | map<string, uint32_t>::iterator iter = caps.find(type); | |
1674 | if (iter == caps.end()) | |
1675 | return 0; | |
1676 | ||
1677 | uint32_t& old_perm = iter->second; | |
1678 | old_perm &= ~perm; | |
1679 | if (!old_perm) | |
1680 | caps.erase(iter); | |
1681 | ||
1682 | return 0; | |
1683 | } | |
1684 | ||
1685 | int RGWUserCaps::add_from_string(const string& str) | |
1686 | { | |
1687 | int start = 0; | |
1688 | do { | |
31f18b77 FG |
1689 | auto end = str.find(';', start); |
1690 | if (end == string::npos) | |
7c673cae FG |
1691 | end = str.size(); |
1692 | ||
1693 | int r = add_cap(str.substr(start, end - start)); | |
1694 | if (r < 0) | |
1695 | return r; | |
1696 | ||
1697 | start = end + 1; | |
1698 | } while (start < (int)str.size()); | |
1699 | ||
1700 | return 0; | |
1701 | } | |
1702 | ||
1703 | int RGWUserCaps::remove_from_string(const string& str) | |
1704 | { | |
1705 | int start = 0; | |
1706 | do { | |
31f18b77 FG |
1707 | auto end = str.find(';', start); |
1708 | if (end == string::npos) | |
7c673cae FG |
1709 | end = str.size(); |
1710 | ||
1711 | int r = remove_cap(str.substr(start, end - start)); | |
1712 | if (r < 0) | |
1713 | return r; | |
1714 | ||
1715 | start = end + 1; | |
1716 | } while (start < (int)str.size()); | |
1717 | ||
1718 | return 0; | |
1719 | } | |
1720 | ||
1721 | void RGWUserCaps::dump(Formatter *f) const | |
1722 | { | |
1723 | dump(f, "caps"); | |
1724 | } | |
1725 | ||
1726 | void RGWUserCaps::dump(Formatter *f, const char *name) const | |
1727 | { | |
1728 | f->open_array_section(name); | |
1729 | map<string, uint32_t>::const_iterator iter; | |
1730 | for (iter = caps.begin(); iter != caps.end(); ++iter) | |
1731 | { | |
1732 | f->open_object_section("cap"); | |
1733 | f->dump_string("type", iter->first); | |
1734 | uint32_t perm = iter->second; | |
1735 | string perm_str; | |
1736 | for (int i=0; cap_names[i].type_name; i++) { | |
1737 | if ((perm & cap_names[i].flag) == cap_names[i].flag) { | |
1738 | if (perm_str.size()) | |
1739 | perm_str.append(", "); | |
1740 | ||
1741 | perm_str.append(cap_names[i].type_name); | |
1742 | perm &= ~cap_names[i].flag; | |
1743 | } | |
1744 | } | |
1745 | if (perm_str.empty()) | |
1746 | perm_str = "<none>"; | |
1747 | ||
1748 | f->dump_string("perm", perm_str); | |
1749 | f->close_section(); | |
1750 | } | |
1751 | ||
1752 | f->close_section(); | |
1753 | } | |
1754 | ||
1755 | struct RGWUserCap { | |
1756 | string type; | |
1757 | uint32_t perm; | |
1758 | ||
1759 | void decode_json(JSONObj *obj) { | |
1760 | JSONDecoder::decode_json("type", type, obj); | |
1761 | string perm_str; | |
1762 | JSONDecoder::decode_json("perm", perm_str, obj); | |
1763 | if (RGWUserCaps::parse_cap_perm(perm_str, &perm) < 0) { | |
1764 | throw JSONDecoder::err("failed to parse permissions"); | |
1765 | } | |
1766 | } | |
1767 | }; | |
1768 | ||
1769 | void RGWUserCaps::decode_json(JSONObj *obj) | |
1770 | { | |
1771 | list<RGWUserCap> caps_list; | |
1772 | decode_json_obj(caps_list, obj); | |
1773 | ||
1774 | list<RGWUserCap>::iterator iter; | |
1775 | for (iter = caps_list.begin(); iter != caps_list.end(); ++iter) { | |
1776 | RGWUserCap& cap = *iter; | |
1777 | caps[cap.type] = cap.perm; | |
1778 | } | |
1779 | } | |
1780 | ||
1781 | int RGWUserCaps::check_cap(const string& cap, uint32_t perm) | |
1782 | { | |
1783 | map<string, uint32_t>::iterator iter = caps.find(cap); | |
1784 | ||
1785 | if ((iter == caps.end()) || | |
1786 | (iter->second & perm) != perm) { | |
1787 | return -EPERM; | |
1788 | } | |
1789 | ||
1790 | return 0; | |
1791 | } | |
1792 | ||
1793 | bool RGWUserCaps::is_valid_cap_type(const string& tp) | |
1794 | { | |
1795 | static const char *cap_type[] = { "user", | |
1796 | "users", | |
1797 | "buckets", | |
1798 | "metadata", | |
1799 | "usage", | |
1800 | "zone", | |
1801 | "bilog", | |
1802 | "mdlog", | |
1803 | "datalog", | |
1804 | "opstate" }; | |
1805 | ||
1806 | for (unsigned int i = 0; i < sizeof(cap_type) / sizeof(char *); ++i) { | |
1807 | if (tp.compare(cap_type[i]) == 0) { | |
1808 | return true; | |
1809 | } | |
1810 | } | |
1811 | ||
1812 | return false; | |
1813 | } | |
1814 | ||
7c673cae FG |
1815 | void rgw_pool::from_str(const string& s) |
1816 | { | |
1adf2230 | 1817 | size_t pos = rgw_unescape_str(s, 0, '\\', ':', &name); |
7c673cae | 1818 | if (pos != string::npos) { |
1adf2230 | 1819 | pos = rgw_unescape_str(s, pos, '\\', ':', &ns); |
7c673cae FG |
1820 | /* ignore return; if pos != string::npos it means that we had a colon |
1821 | * in the middle of ns that wasn't escaped, we're going to stop there | |
1822 | */ | |
1823 | } | |
1824 | } | |
1825 | ||
1826 | string rgw_pool::to_str() const | |
1827 | { | |
1828 | string esc_name; | |
1adf2230 | 1829 | rgw_escape_str(name, '\\', ':', &esc_name); |
7c673cae FG |
1830 | if (ns.empty()) { |
1831 | return esc_name; | |
1832 | } | |
1833 | string esc_ns; | |
1adf2230 | 1834 | rgw_escape_str(ns, '\\', ':', &esc_ns); |
7c673cae FG |
1835 | return esc_name + ":" + esc_ns; |
1836 | } | |
1837 | ||
1838 | void rgw_raw_obj::decode_from_rgw_obj(bufferlist::iterator& bl) | |
1839 | { | |
1840 | rgw_obj old_obj; | |
1841 | ::decode(old_obj, bl); | |
1842 | ||
1843 | get_obj_bucket_and_oid_loc(old_obj, oid, loc); | |
1844 | pool = old_obj.get_explicit_data_pool(); | |
1845 | } | |
1846 | ||
1847 | std::string rgw_bucket::get_key(char tenant_delim, char id_delim) const | |
1848 | { | |
1849 | static constexpr size_t shard_len{12}; // ":4294967295\0" | |
1850 | const size_t max_len = tenant.size() + sizeof(tenant_delim) + | |
1851 | name.size() + sizeof(id_delim) + bucket_id.size() + shard_len; | |
1852 | ||
1853 | std::string key; | |
1854 | key.reserve(max_len); | |
1855 | if (!tenant.empty() && tenant_delim) { | |
1856 | key.append(tenant); | |
1857 | key.append(1, tenant_delim); | |
1858 | } | |
1859 | key.append(name); | |
1860 | if (!bucket_id.empty() && id_delim) { | |
1861 | key.append(1, id_delim); | |
1862 | key.append(bucket_id); | |
1863 | } | |
1864 | return key; | |
1865 | } | |
1866 | ||
1867 | std::string rgw_bucket_shard::get_key(char tenant_delim, char id_delim, | |
1868 | char shard_delim) const | |
1869 | { | |
1870 | auto key = bucket.get_key(tenant_delim, id_delim); | |
1871 | if (shard_id >= 0 && shard_delim) { | |
1872 | key.append(1, shard_delim); | |
1873 | key.append(std::to_string(shard_id)); | |
1874 | } | |
1875 | return key; | |
1876 | } | |
1877 | ||
1878 | static struct rgw_name_to_flag op_type_mapping[] = { {"*", RGW_OP_TYPE_ALL}, | |
1879 | {"read", RGW_OP_TYPE_READ}, | |
1880 | {"write", RGW_OP_TYPE_WRITE}, | |
1881 | {"delete", RGW_OP_TYPE_DELETE}, | |
1882 | {NULL, 0} }; | |
1883 | ||
1884 | ||
1885 | int rgw_parse_op_type_list(const string& str, uint32_t *perm) | |
1886 | { | |
1887 | return parse_list_of_flags(op_type_mapping, str, perm); | |
1888 | } | |
1889 | ||
d2e6a577 FG |
1890 | bool match_policy(boost::string_view pattern, boost::string_view input, |
1891 | uint32_t flag) | |
7c673cae | 1892 | { |
d2e6a577 FG |
1893 | const uint32_t flag2 = flag & (MATCH_POLICY_ACTION|MATCH_POLICY_ARN) ? |
1894 | MATCH_CASE_INSENSITIVE : 0; | |
f64942e4 AA |
1895 | const bool colonblocks = !(flag & (MATCH_POLICY_RESOURCE | |
1896 | MATCH_POLICY_STRING)); | |
7c673cae | 1897 | |
d2e6a577 FG |
1898 | const auto npos = boost::string_view::npos; |
1899 | boost::string_view::size_type last_pos_input = 0, last_pos_pattern = 0; | |
1900 | while (true) { | |
f64942e4 AA |
1901 | auto cur_pos_input = colonblocks ? input.find(":", last_pos_input) : npos; |
1902 | auto cur_pos_pattern = | |
1903 | colonblocks ? pattern.find(":", last_pos_pattern) : npos; | |
7c673cae | 1904 | |
d2e6a577 FG |
1905 | auto substr_input = input.substr(last_pos_input, cur_pos_input); |
1906 | auto substr_pattern = pattern.substr(last_pos_pattern, cur_pos_pattern); | |
7c673cae | 1907 | |
d2e6a577 FG |
1908 | if (!match_wildcards(substr_pattern, substr_input, flag2)) |
1909 | return false; | |
1910 | ||
1911 | if (cur_pos_pattern == npos) | |
1912 | return cur_pos_input == npos; | |
1913 | if (cur_pos_input == npos) | |
1914 | return false; | |
7c673cae FG |
1915 | |
1916 | last_pos_pattern = cur_pos_pattern + 1; | |
1917 | last_pos_input = cur_pos_input + 1; | |
1918 | } | |
1919 | } |