|
| 1 | +{ |
| 2 | + "files": [ |
| 3 | + { |
| 4 | + "repo": "sg-evals/tidb--v8.5.0", |
| 5 | + "path": "pkg/privilege/privilege.go" |
| 6 | + }, |
| 7 | + { |
| 8 | + "repo": "sg-evals/tidb--v8.5.0", |
| 9 | + "path": "pkg/privilege/privileges/privileges.go" |
| 10 | + }, |
| 11 | + { |
| 12 | + "repo": "sg-evals/tidb--v8.5.0", |
| 13 | + "path": "pkg/privilege/privileges/cache.go" |
| 14 | + }, |
| 15 | + { |
| 16 | + "repo": "sg-evals/tidb--v8.5.0", |
| 17 | + "path": "pkg/privilege/privileges/errors.go" |
| 18 | + }, |
| 19 | + { |
| 20 | + "repo": "sg-evals/tidb--v8.5.0", |
| 21 | + "path": "pkg/privilege/conn/conn.go" |
| 22 | + }, |
| 23 | + { |
| 24 | + "repo": "sg-evals/tidb--v8.5.0", |
| 25 | + "path": "pkg/planner/core/optimizer.go" |
| 26 | + }, |
| 27 | + { |
| 28 | + "repo": "sg-evals/tidb--v8.5.0", |
| 29 | + "path": "pkg/planner/optimize.go" |
| 30 | + }, |
| 31 | + { |
| 32 | + "repo": "sg-evals/tidb--v8.5.0", |
| 33 | + "path": "pkg/planner/core/planbuilder.go" |
| 34 | + }, |
| 35 | + { |
| 36 | + "repo": "sg-evals/tidb--v8.5.0", |
| 37 | + "path": "pkg/planner/core/logical_plan_builder.go" |
| 38 | + }, |
| 39 | + { |
| 40 | + "repo": "sg-evals/tidb--v8.5.0", |
| 41 | + "path": "pkg/planner/core/preprocess.go" |
| 42 | + }, |
| 43 | + { |
| 44 | + "repo": "sg-evals/tidb--v8.5.0", |
| 45 | + "path": "pkg/planner/core/point_get_plan.go" |
| 46 | + }, |
| 47 | + { |
| 48 | + "repo": "sg-evals/tidb--v8.5.0", |
| 49 | + "path": "pkg/planner/core/expression_codec_fn.go" |
| 50 | + }, |
| 51 | + { |
| 52 | + "repo": "sg-evals/tidb--v8.5.0", |
| 53 | + "path": "pkg/planner/core/plan_cache.go" |
| 54 | + }, |
| 55 | + { |
| 56 | + "repo": "sg-evals/tidb--v8.5.0", |
| 57 | + "path": "pkg/planner/core/plan_cache_utils.go" |
| 58 | + }, |
| 59 | + { |
| 60 | + "repo": "sg-evals/tidb--v8.5.0", |
| 61 | + "path": "pkg/planner/core/expression_rewriter.go" |
| 62 | + } |
| 63 | + ], |
| 64 | + "symbols": [ |
| 65 | + { |
| 66 | + "repo": "sg-evals/tidb--v8.5.0", |
| 67 | + "path": "pkg/privilege/privilege.go", |
| 68 | + "symbol": "Manager" |
| 69 | + }, |
| 70 | + { |
| 71 | + "repo": "sg-evals/tidb--v8.5.0", |
| 72 | + "path": "pkg/privilege/privileges/cache.go", |
| 73 | + "symbol": "MySQLPrivilege" |
| 74 | + }, |
| 75 | + { |
| 76 | + "repo": "sg-evals/tidb--v8.5.0", |
| 77 | + "path": "pkg/privilege/privileges/cache.go", |
| 78 | + "symbol": "Handle" |
| 79 | + }, |
| 80 | + { |
| 81 | + "repo": "sg-evals/tidb--v8.5.0", |
| 82 | + "path": "pkg/privilege/privileges/cache.go", |
| 83 | + "symbol": "immutable" |
| 84 | + }, |
| 85 | + { |
| 86 | + "repo": "sg-evals/tidb--v8.5.0", |
| 87 | + "path": "pkg/privilege/privileges/cache.go", |
| 88 | + "symbol": "roleGraphEdgesTable" |
| 89 | + }, |
| 90 | + { |
| 91 | + "repo": "sg-evals/tidb--v8.5.0", |
| 92 | + "path": "pkg/privilege/privileges/privileges.go", |
| 93 | + "symbol": "UserPrivileges" |
| 94 | + }, |
| 95 | + { |
| 96 | + "repo": "sg-evals/tidb--v8.5.0", |
| 97 | + "path": "pkg/planner/core/planbuilder.go", |
| 98 | + "symbol": "visitInfo" |
| 99 | + }, |
| 100 | + { |
| 101 | + "repo": "sg-evals/tidb--v8.5.0", |
| 102 | + "path": "pkg/planner/core/optimizer.go", |
| 103 | + "symbol": "CheckPrivilege" |
| 104 | + }, |
| 105 | + { |
| 106 | + "repo": "sg-evals/tidb--v8.5.0", |
| 107 | + "path": "pkg/planner/core/optimizer.go", |
| 108 | + "symbol": "VisitInfo4PrivCheck" |
| 109 | + }, |
| 110 | + { |
| 111 | + "repo": "sg-evals/tidb--v8.5.0", |
| 112 | + "path": "pkg/planner/core/optimizer.go", |
| 113 | + "symbol": "CheckTableLock" |
| 114 | + } |
| 115 | + ], |
| 116 | + "chain": [ |
| 117 | + { |
| 118 | + "repo": "sg-evals/tidb--v8.5.0", |
| 119 | + "path": "pkg/planner/optimize.go", |
| 120 | + "symbol": "optimize" |
| 121 | + }, |
| 122 | + { |
| 123 | + "repo": "sg-evals/tidb--v8.5.0", |
| 124 | + "path": "pkg/planner/core/optimizer.go", |
| 125 | + "symbol": "CheckPrivilege" |
| 126 | + }, |
| 127 | + { |
| 128 | + "repo": "sg-evals/tidb--v8.5.0", |
| 129 | + "path": "pkg/privilege/privilege.go", |
| 130 | + "symbol": "Manager.RequestVerification" |
| 131 | + }, |
| 132 | + { |
| 133 | + "repo": "sg-evals/tidb--v8.5.0", |
| 134 | + "path": "pkg/privilege/privileges/privileges.go", |
| 135 | + "symbol": "UserPrivileges.RequestVerification" |
| 136 | + }, |
| 137 | + { |
| 138 | + "repo": "sg-evals/tidb--v8.5.0", |
| 139 | + "path": "pkg/privilege/privileges/cache.go", |
| 140 | + "symbol": "MySQLPrivilege.RequestVerification" |
| 141 | + }, |
| 142 | + { |
| 143 | + "repo": "sg-evals/tidb--v8.5.0", |
| 144 | + "path": "pkg/privilege/privileges/cache.go", |
| 145 | + "symbol": "MySQLPrivilege.FindAllUserEffectiveRoles" |
| 146 | + }, |
| 147 | + { |
| 148 | + "repo": "sg-evals/tidb--v8.5.0", |
| 149 | + "path": "pkg/privilege/privileges/cache.go", |
| 150 | + "symbol": "MySQLPrivilege.FindAllRole" |
| 151 | + }, |
| 152 | + { |
| 153 | + "repo": "sg-evals/tidb--v8.5.0", |
| 154 | + "path": "pkg/planner/core/planbuilder.go", |
| 155 | + "symbol": "PlanBuilder.GetVisitInfo" |
| 156 | + }, |
| 157 | + { |
| 158 | + "repo": "sg-evals/tidb--v8.5.0", |
| 159 | + "path": "pkg/planner/core/logical_plan_builder.go", |
| 160 | + "symbol": "appendVisitInfo" |
| 161 | + }, |
| 162 | + { |
| 163 | + "repo": "sg-evals/tidb--v8.5.0", |
| 164 | + "path": "pkg/planner/core/logical_plan_builder.go", |
| 165 | + "symbol": "appendDynamicVisitInfo" |
| 166 | + }, |
| 167 | + { |
| 168 | + "repo": "sg-evals/tidb--v8.5.0", |
| 169 | + "path": "pkg/planner/core/optimizer.go", |
| 170 | + "symbol": "VisitInfo4PrivCheck" |
| 171 | + } |
| 172 | + ], |
| 173 | + "text": "The privilege/RBAC enforcement in TiDB spans two main packages:\n\n**pkg/privilege/ (privilege subsystem)**:\n- `privilege.go`: Defines the `Manager` interface \u2014 the contract for all privilege operations including `RequestVerification`, `RequestDynamicVerification`, `ConnectionVerification`, role methods (`ActiveRoles`, `FindEdge`, `GetAllRoles`, `GetDefaultRoles`), and `DBIsVisible`.\n- `privileges/privileges.go`: `UserPrivileges` struct implements `Manager`. Its `RequestVerification` method is the entry point: it handles SEM (Security Enhanced Mode) restrictions, in-memory DB checks, extension access checks, then delegates to `MySQLPrivilege.RequestVerification` on the cache.\n- `privileges/cache.go`: `MySQLPrivilege` is the in-memory cache of all mysql.* privilege tables. It contains the `immutable` struct (user records, db records, tablesPriv, columnsPriv, defaultRoles, globalPriv, dynamicPriv, and `roleGraph`). Key methods: `RequestVerification` (checks user\u2192db\u2192table\u2192column privilege cascade with role expansion), `FindAllRole` (BFS traversal of `roleGraph` map), `FindAllUserEffectiveRoles`, `FindRole`, `LoadRoleGraph`, and `LoadAll`. The `Handle` struct wraps an atomic pointer to `MySQLPrivilege` for concurrent access.\n- `privileges/errors.go`: Error definitions for privilege failures (ErrAccessDenied, etc.).\n- `conn/conn.go`: `AuthConn` interface for auth plugin communication.\n\n**pkg/planner/ (privilege enforcement in query planning)**:\n- `optimize.go`: The `optimize` function is the main planner entry point. After building the logical plan, it calls `CheckPrivilege(activeRoles, pm, visitInfo)` and `CheckTableLock`.\n- `core/optimizer.go`: `CheckPrivilege` iterates over `[]visitInfo`, calling `pm.RequestVerification` for static privileges and `pm.RequestDynamicVerification` for dynamic ones. `VisitInfo4PrivCheck` adjusts privilege requirements for temp tables. `CheckTableLock` verifies table-level locks.\n- `core/planbuilder.go`: Defines the `visitInfo` struct (privilege, db, table, column, dynamicPrivs) and `PlanBuilder.visitInfo` slice. `GetVisitInfo()` returns it. The `buildXxx` methods throughout this file append `visitInfo` entries for each SQL statement type (e.g., `mysql.SuperPriv`, `mysql.ConfigPriv`, `mysql.ShowViewPriv`).\n- `core/logical_plan_builder.go`: `appendVisitInfo` and `appendDynamicVisitInfo` helper functions. Extensive per-statement privilege mapping: SELECT\u2192SelectPriv, DELETE\u2192DeletePriv, UPDATE\u2192UpdatePriv, INSERT\u2192InsertPriv, etc., appended during logical plan building.\n- `core/preprocess.go`: Early-stage privilege check \u2014 calls `pm.RequestVerification` to verify the user can access referenced tables/databases before plan building proceeds.\n- `core/point_get_plan.go`: Direct `pm.RequestVerification` call for point-get optimized paths, plus `CheckTableLock` for lock verification.\n- `core/expression_codec_fn.go`: `RequestVerification` call for codec helper functions that access table data.\n- `core/plan_cache.go`: `checkPreparedPriv` re-checks privileges for cached prepared statements using stored `VisitInfos`.\n- `core/plan_cache_utils.go`: `PlanCacheStmt` stores `VisitInfos []visitInfo` for cached privilege checks.\n- `core/expression_rewriter.go`: Appends `RESTRICTED_VARIABLES_ADMIN` dynamic privilege for restricted system variable access.", |
| 174 | + "_metadata": { |
| 175 | + "model": "claude-opus-4-6", |
| 176 | + "backend": "hybrid", |
| 177 | + "prompt_version": "phase1", |
| 178 | + "cost_usd": 0.8287657500000001, |
| 179 | + "elapsed_sec": 134.3, |
| 180 | + "timestamp": "2026-03-06T21:15:25Z", |
| 181 | + "tool_calls": 42, |
| 182 | + "generator": "daytona_curator_runner" |
| 183 | + } |
| 184 | +} |
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