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curl: shorten and clean up CA cert verification error message

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The previous message was just too long for ordinary people and it was
encouraging users to use `--insecure` a little too easy.

Based-on-work-by: Frank Denis

Closes #1810
Closes #1817
This commit is contained in:
Daniel Stenberg 2017-08-22 09:07:11 +02:00
parent 88c2e22734
commit f412a5aabb
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GPG Key ID: 5CC908FDB71E12C2
1 changed files with 7 additions and 21 deletions
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28
src/tool_operate.c
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@ -92,21 +92,12 @@ CURLcode curl_easy_perform_ev(CURL *easy);
# define O_BINARY 0
#endif
#define CURL_CA_CERT_ERRORMSG1 \
"More details here: https://curl.haxx.se/docs/sslcerts.html\n\n" \
"curl performs SSL certificate verification by default, " \
"using a \"bundle\"\n" \
" of Certificate Authority (CA) public keys (CA certs). If the default\n" \
" bundle file isn't adequate, you can specify an alternate file\n" \
" using the --cacert option.\n"
#define CURL_CA_CERT_ERRORMSG2 \
"If this HTTPS server uses a certificate signed by a CA represented in\n" \
" the bundle, the certificate verification probably failed due to a\n" \
" problem with the certificate (it might be expired, or the name might\n" \
" not match the domain name in the URL).\n" \
"If you'd like to turn off curl's verification of the certificate, use\n" \
" the -k (or --insecure) option.\n"
#define CURL_CA_CERT_ERRORMSG \
"More details here: https://curl.haxx.se/docs/sslcerts.html\n\n" \
"curl failed to verify the legitimacy of the server and therefore " \
"could not\nestablish a secure connection to it. To learn more about " \
"this situation and\nhow to fix it, please visit the web page mentioned " \
"above.\n"
static bool is_fatal_error(CURLcode code)
{
@ -1784,12 +1775,7 @@ static CURLcode operate_do(struct GlobalConfig *global,
fprintf(global->errors, "curl: (%d) %s\n", result, (errorbuffer[0]) ?
errorbuffer : curl_easy_strerror(result));
if(result == CURLE_SSL_CACERT)
fprintf(global->errors, "%s%s%s",
CURL_CA_CERT_ERRORMSG1, CURL_CA_CERT_ERRORMSG2,
((curlinfo->features & CURL_VERSION_HTTPS_PROXY) ?
"HTTPS-proxy has similar options --proxy-cacert "
"and --proxy-insecure.\n" :
""));
fputs(CURL_CA_CERT_ERRORMSG, global->errors);
}
/* Fall through comment to 'quit_urls' label */