| Directory: | cvmfs/ |
|---|---|
| File: | cvmfs/manifest_fetch.h |
| Date: | 2024-04-28 02:33:07 |
| Exec | Total | Coverage | |
|---|---|---|---|
| Lines: | 26 | 26 | 100.0% |
| Branches: | 9 | 10 | 90.0% |
| Line | Branch | Exec | Source |
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| 1 | /** | ||
| 2 | * This file is part of the CernVM File System. | ||
| 3 | */ | ||
| 4 | |||
| 5 | #ifndef CVMFS_MANIFEST_FETCH_H_ | ||
| 6 | #define CVMFS_MANIFEST_FETCH_H_ | ||
| 7 | |||
| 8 | #include <cstdlib> | ||
| 9 | #include <string> | ||
| 10 | |||
| 11 | #include "manifest.h" | ||
| 12 | |||
| 13 | namespace shash { | ||
| 14 | struct Any; | ||
| 15 | } | ||
| 16 | |||
| 17 | namespace signature { | ||
| 18 | class SignatureManager; | ||
| 19 | } | ||
| 20 | |||
| 21 | namespace download { | ||
| 22 | class DownloadManager; | ||
| 23 | } | ||
| 24 | |||
| 25 | namespace manifest { | ||
| 26 | |||
| 27 | enum Failures { | ||
| 28 | kFailOk = 0, | ||
| 29 | kFailLoad, | ||
| 30 | kFailIncomplete, | ||
| 31 | kFailNameMismatch, | ||
| 32 | kFailRootMismatch, | ||
| 33 | kFailOutdated, | ||
| 34 | kFailBadCertificate, | ||
| 35 | kFailBadSignature, | ||
| 36 | kFailBadWhitelist, | ||
| 37 | kFailInvalidCertificate, | ||
| 38 | kFailUnknown, | ||
| 39 | |||
| 40 | kFailNumEntries | ||
| 41 | }; | ||
| 42 | |||
| 43 | 7 | inline const char *Code2Ascii(const Failures error) { | |
| 44 | const char *texts[kFailNumEntries + 1]; | ||
| 45 | 7 | texts[0] = "OK"; | |
| 46 | 7 | texts[1] = "failed to download"; | |
| 47 | 7 | texts[2] = "incomplete manifest"; | |
| 48 | 7 | texts[3] = "repository name mismatch"; | |
| 49 | 7 | texts[4] = "catalog root path mismatch"; | |
| 50 | 7 | texts[5] = "outdated manifest"; | |
| 51 | 7 | texts[6] = "bad certificate, failed to verify repository manifest"; | |
| 52 | 7 | texts[7] = "bad signature, failed to verify repository manifest"; | |
| 53 | 7 | texts[8] = "bad whitelist"; | |
| 54 | 7 | texts[9] = "invalid certificate"; | |
| 55 | 7 | texts[10] = "unknown error"; | |
| 56 | 7 | texts[11] = "no text"; | |
| 57 | 7 | return texts[error]; | |
| 58 | } | ||
| 59 | |||
| 60 | /** | ||
| 61 | * A manifest requires the certificate and the whitelist to be verified. | ||
| 62 | * All three (for with the pkcs7 signature of the whitelist) are an ensemble. | ||
| 63 | */ | ||
| 64 | struct ManifestEnsemble { | ||
| 65 | 31 | ManifestEnsemble() { | |
| 66 | 31 | manifest = NULL; | |
| 67 | 31 | raw_manifest_buf = cert_buf = whitelist_buf = whitelist_pkcs7_buf = NULL; | |
| 68 | 31 | raw_manifest_size = cert_size = whitelist_size = whitelist_pkcs7_size = 0; | |
| 69 | 31 | } | |
| 70 | 62 | virtual ~ManifestEnsemble() { | |
| 71 |
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62 | delete manifest; |
| 72 |
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62 | if (raw_manifest_buf) free(raw_manifest_buf); |
| 73 |
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62 | if (cert_buf) free(cert_buf); |
| 74 |
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62 | if (whitelist_buf) free(whitelist_buf); |
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62 | if (whitelist_pkcs7_buf) free(whitelist_pkcs7_buf); |
| 76 | } | ||
| 77 | // Can be overwritte to fetch certificate from cache | ||
| 78 | 11 | virtual void FetchCertificate(const shash::Any &hash) {} | |
| 79 | |||
| 80 | Manifest *manifest; | ||
| 81 | unsigned char *raw_manifest_buf; | ||
| 82 | unsigned char *cert_buf; | ||
| 83 | unsigned char *whitelist_buf; | ||
| 84 | unsigned char *whitelist_pkcs7_buf; | ||
| 85 | unsigned raw_manifest_size; | ||
| 86 | unsigned cert_size; | ||
| 87 | unsigned whitelist_size; | ||
| 88 | unsigned whitelist_pkcs7_size; | ||
| 89 | }; | ||
| 90 | |||
| 91 | // TODO(jblomer): analogous to the Fetcher class, make a ManifestFetcher class | ||
| 92 | Failures Fetch(const std::string &base_url, const std::string &repository_name, | ||
| 93 | const uint64_t minimum_timestamp, const shash::Any *base_catalog, | ||
| 94 | signature::SignatureManager *signature_manager, | ||
| 95 | download::DownloadManager *download_manager, | ||
| 96 | ManifestEnsemble *ensemble); | ||
| 97 | |||
| 98 | Failures Verify(unsigned char *manifest_data, size_t manifest_size, | ||
| 99 | const std::string &base_url, const std::string &repository_name, | ||
| 100 | const uint64_t minimum_timestamp, | ||
| 101 | const shash::Any *base_catalog, | ||
| 102 | signature::SignatureManager *signature_manager, | ||
| 103 | download::DownloadManager *download_manager, | ||
| 104 | ManifestEnsemble *ensemble); | ||
| 105 | |||
| 106 | } // namespace manifest | ||
| 107 | |||
| 108 | #endif // CVMFS_MANIFEST_FETCH_H_ | ||
| 109 |