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gocsaf/docs/csaf_downloader.md
Sascha L. Teichmann 81ead2776b
Use TOML as config file format in downloader (#405)
* Use TOML as config file format.

* Parse command line a second time if config file was loaded.

* Handle default values correctly.

* Use same names for config file options and command line options.
2023-07-20 11:05:20 +02:00

2.3 KiB

csaf_downloader

A tool to download CSAF documents from CSAF providers.

Usage

csaf_downloader [OPTIONS] domain...

Application Options:
  -d, --directory=DIR              DIRectory to store the downloaded files in
      --insecure                   Do not check TLS certificates from provider
      --ignoresigcheck             Ignore signature check results, just warn on mismatch
      --version                    Display version of the binary
  -v, --verbose                    Verbose output
  -r, --rate=                      The average upper limit of https operations per second (defaults to unlimited)
  -w, --worker=NUM                 NUMber of concurrent downloads (default: 2)
  -H, --header=                    One or more extra HTTP header fields
      --validator=URL              URL to validate documents remotely
      --validatorcache=FILE        FILE to cache remote validations
      --validatorpreset=PRESETS    One or more PRESETS to validate remotely (default: [mandatory])
  -c, --config=TOML-FILE           Path to config TOML file

Help Options:
  -h, --help                       Show this help message

Will download all CSAF documents for the given domains, by trying each as a CSAF provider.

If a domain starts with https:// it is instead considered a direct URL to the provider-metadata.json and downloading procedes from there.

Increasing the number of workers opens more connections to the web servers to download more advisories at once. This may improve the overall speed of the download. However, since this also increases the load on the servers, their administrators could have taken countermeasures to limit this.

If no config file is explictly given the follwing places are searched for a config file:

~/.config/csaf/downloader.toml
~/.csaf_downloader.toml
csaf_downloader.toml

with ~ expanding to $HOME on unixoid systems and %HOMEPATH on Windows systems.

Supported options in config files:

directory         # not set by default
insecure          = false
ignoresigcheck    = false
verbose           = false
# rate            # set to unlimited
worker            = 2
# header          # not set by default
# validator       # not set by default
# validatorcache  # not set by default
validatorpreset   = ["mandatory"]