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f32fba683d
* Add concurrent downloads to downloader. * Moved to Go 1.20 * close files channel on producer side. * Improve error handling * New flag to ignore signature check results. Improve docs. Do not use number of CPUs to determine number of download workers. * Set number of default workers in downloader to two.
33 lines
1.5 KiB
Markdown
33 lines
1.5 KiB
Markdown
## csaf_downloader
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A tool to download CSAF documents from CSAF providers.
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### Usage
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```
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csaf_downloader [OPTIONS] domain...
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Application Options:
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-d, --directory=DIR DIRectory to store the downloaded files in
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--insecure Do not check TLS certificates from provider
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--ignoresigcheck Ignore signature check results, just warn on mismatch
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--version Display version of the binary
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-v, --verbose Verbose output
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-r, --rate= The average upper limit of https operations per second (defaults to unlimited)
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-w, --worker=NUM NUMber of concurrent downloads (default: 2)
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-H, --header= One or more extra HTTP header fields
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--validator=URL URL to validate documents remotely
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--validatorcache=FILE FILE to cache remote validations
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--validatorpreset= One or more presets to validate remotely (default: mandatory)
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Help Options:
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-h, --help Show this help message
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```
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Will download all CSAF documents for the given _domains_, by trying each as a CSAF provider.
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If a _domain_ starts with `https://` it is instead considered a direct URL to the `provider-metadata.json` and downloading procedes from there.
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Increasing the number of workers opens more connections to the web servers
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to download more advisories at once. This may improve the overall speed of the download.
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However, since this also increases the load on the servers, their administrators could
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have taken countermeasures to limit this.
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