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tool_getparam: verify that a file exists for some options

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Passing the option as-is to libcurl is fine, but checking that the file
exists allows the tool to better provide a helpful message.

This now done for the following options:

  --cacert, --crlfile, --knownhosts, --netrc-file, --proxy-cacert amd
  --proxy-crlfile

Bonus: bail out properly on OOM errors in the --cert parser.

Reported-by: Wesley Moore
Fixes #19583
Closes #19585
This commit is contained in:
Daniel Stenberg 2025-11-18 09:04:42 +01:00
parent 54a3f63520
commit 88024c6d39
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GPG key ID: 5CC908FDB71E12C2
6 changed files with 121 additions and 79 deletions
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6
src/tool_getparam.h
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@ -372,9 +372,9 @@ ParameterError getparameter(const char *flag, const char *nextarg,
int max_recursive);
#ifdef UNITTESTS
void parse_cert_parameter(const char *cert_parameter,
char **certname,
char **passphrase);
ParameterError parse_cert_parameter(const char *cert_parameter,
char **certname,
char **passphrase);
#endif
ParameterError parse_args(int argc, argv_item_t argv[]);