| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | package main |
| 4 | |
| 5 | import ( |
| 6 | "flag" |
| 7 | "fmt" |
| 8 | "net/url" |
| 9 | "os" |
| 10 | "path/filepath" |
| 11 | "strings" |
| 12 | ) |
| 13 | |
| 14 | func main() { |
| 15 | var configPath string |
| 16 | var outputDir string |
| 17 | var asnFlags familyFlagValues |
| 18 | var geoFlags familyFlagValues |
| 19 | var noASN bool |
| 20 | var noGeo bool |
| 21 | |
| 22 | asnFlags.family = sourceFamilyASN |
| 23 | geoFlags.family = sourceFamilyGeo |
| 24 | |
| 25 | flag.StringVar(&configPath, "config", "", "path to topology IP intelligence YAML config") |
| 26 | flag.StringVar(&outputDir, "output-dir", "", "override output directory") |
| 27 | flag.Var(&asnFlags, "asn", "repeatable ASN source token: provider:artifact[@format]") |
| 28 | flag.Var(&geoFlags, "geo", "repeatable GEO source token: provider:artifact[@format]") |
| 29 | flag.BoolVar(&noASN, "no-asn", false, "disable ASN output and remove any stale ASN file") |
| 30 | flag.BoolVar(&noGeo, "no-geo", false, "disable GEO output and remove any stale GEO file") |
| 31 | flag.Parse() |
| 32 | |
| 33 | cfg, loadedPath, err := loadConfig(configPath) |
| 34 | if err != nil { |
| 35 | fmt.Fprintf(os.Stderr, "topology-ip-intel-downloader: failed to load config: %v\n", err) |
| 36 | os.Exit(1) |
| 37 | } |
| 38 | if outputDir = strings.TrimSpace(outputDir); outputDir != "" { |
| 39 | cfg.output.directory = outputDir |
| 40 | } |
| 41 | |
| 42 | cfg.sources = applyFamilyOverride(cfg.sources, sourceFamilyASN, asnFlags.sources, noASN) |
| 43 | cfg.sources = applyFamilyOverride(cfg.sources, sourceFamilyGeo, geoFlags.sources, noGeo) |
| 44 | |
| 45 | if err := cfg.normalizeAndValidate(); err != nil { |
| 46 | fmt.Fprintf(os.Stderr, "topology-ip-intel-downloader: invalid config: %v\n", err) |
| 47 | os.Exit(1) |
| 48 | } |
| 49 | |
| 50 | printExecutionPlan(cfg) |
| 51 | |
| 52 | dl := newDownloader(cfg.http) |
| 53 | asnRanges, geoRanges, sourceRefs, err := loadRanges(cfg, dl) |
| 54 | if err != nil { |
| 55 | fmt.Fprintf(os.Stderr, "topology-ip-intel-downloader: failed to download/parse source data: %v\n", err) |
| 56 | os.Exit(1) |
| 57 | } |
| 58 | |
| 59 | if err := writeOutputs(cfg, asnRanges, geoRanges, sourceRefs); err != nil { |
| 60 | fmt.Fprintf(os.Stderr, "topology-ip-intel-downloader: failed to write outputs: %v\n", err) |
| 61 | os.Exit(1) |
| 62 | } |
| 63 | |
| 64 | asnPath := filepath.Join(cfg.output.directory, cfg.output.asnFile) |
| 65 | geoPath := filepath.Join(cfg.output.directory, cfg.output.geoFile) |
| 66 | metadataPath := filepath.Join(cfg.output.directory, cfg.output.metadataFile) |
| 67 | if loadedPath != "" { |
| 68 | fmt.Printf("updated IP intelligence databases using config %s\n", loadedPath) |
| 69 | } else { |
| 70 | fmt.Printf("updated IP intelligence databases using built-in defaults\n") |
| 71 | } |
| 72 | if cfg.hasFamily(sourceFamilyASN) { |
| 73 | fmt.Printf("asn_mmdb=%s\n", asnPath) |
| 74 | } else { |
| 75 | fmt.Printf("asn_mmdb=disabled\n") |
| 76 | } |
| 77 | if cfg.hasFamily(sourceFamilyGeo) { |
| 78 | fmt.Printf("geo_mmdb=%s\n", geoPath) |
| 79 | } else { |
| 80 | fmt.Printf("geo_mmdb=disabled\n") |
| 81 | } |
| 82 | fmt.Printf("metadata=%s\n", metadataPath) |
| 83 | fmt.Printf("asn_ranges=%d geo_ranges=%d\n", len(asnRanges), len(geoRanges)) |
| 84 | } |
| 85 | |
| 86 | func applyFamilyOverride( |
| 87 | current []sourceEntry, |
| 88 | family string, |
| 89 | override []sourceEntry, |
| 90 | disable bool, |
| 91 | ) []sourceEntry { |
| 92 | if !disable && len(override) == 0 { |
| 93 | return current |
| 94 | } |
| 95 | |
| 96 | out := make([]sourceEntry, 0, len(current)+len(override)) |
| 97 | for _, source := range current { |
| 98 | if source.family != family { |
| 99 | out = append(out, source) |
| 100 | } |
| 101 | } |
| 102 | if disable { |
| 103 | return out |
| 104 | } |
| 105 | out = append(out, override...) |
| 106 | return out |
| 107 | } |
| 108 | |
| 109 | func printExecutionPlan(cfg config) { |
| 110 | fmt.Printf("effective source plan:\n") |
| 111 | printFamilyPlan(sourceFamilyASN, cfg.familySources(sourceFamilyASN)) |
| 112 | printFamilyPlan(sourceFamilyGeo, cfg.familySources(sourceFamilyGeo)) |
| 113 | fmt.Printf("output actions:\n") |
| 114 | if cfg.hasFamily(sourceFamilyASN) { |
| 115 | fmt.Printf("- write %s\n", cfg.output.asnFile) |
| 116 | } else { |
| 117 | fmt.Printf("- remove %s\n", cfg.output.asnFile) |
| 118 | } |
| 119 | if cfg.hasFamily(sourceFamilyGeo) { |
| 120 | fmt.Printf("- write %s\n", cfg.output.geoFile) |
| 121 | } else { |
| 122 | fmt.Printf("- remove %s\n", cfg.output.geoFile) |
| 123 | } |
| 124 | fmt.Printf("- write %s\n", cfg.output.metadataFile) |
| 125 | } |
| 126 | |
| 127 | func printFamilyPlan(family string, sources []sourceEntry) { |
| 128 | label := strings.ToUpper(family) |
| 129 | if len(sources) == 0 { |
| 130 | fmt.Printf("%s sources: none\n", label) |
| 131 | return |
| 132 | } |
| 133 | fmt.Printf("%s sources (first wins):\n", label) |
| 134 | for i, source := range sources { |
| 135 | fmt.Printf("- %d. %s\n", i+1, sourceDisplayName(source)) |
| 136 | } |
| 137 | } |
| 138 | |
| 139 | func sourceDisplayName(source sourceEntry) string { |
| 140 | base := fmt.Sprintf("%s:%s", source.provider, source.artifact) |
| 141 | if source.format != "" { |
| 142 | base = fmt.Sprintf("%s@%s", base, source.format) |
| 143 | } |
| 144 | if source.path != "" { |
| 145 | return fmt.Sprintf("%s path=%s", base, source.path) |
| 146 | } |
| 147 | if source.url != "" { |
| 148 | return fmt.Sprintf("%s url=%s", base, redactURLForDisplay(source.url)) |
| 149 | } |
| 150 | return base |
| 151 | } |
| 152 | |
| 153 | func redactURLForDisplay(raw string) string { |
| 154 | parsed, err := url.Parse(raw) |
| 155 | if err != nil || parsed.Host == "" { |
| 156 | return "<redacted>" |
| 157 | } |
| 158 | return fmt.Sprintf("%s://%s/<redacted>", parsed.Scheme, parsed.Host) |
| 159 | } |