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setopt: support certificate options in memory with struct curl_blob

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This change introduces a generic way to provide binary data in setopt
options, called BLOBs.

This change introduces these new setopts:

CURLOPT_ISSUERCERT_BLOB, CURLOPT_PROXY_SSLCERT_BLOB,
CURLOPT_PROXY_SSLKEY_BLOB, CURLOPT_SSLCERT_BLOB and CURLOPT_SSLKEY_BLOB.

Reviewed-by: Daniel Stenberg
Closes #5357
This commit is contained in:
Gilles Vollant 2020-05-15 10:47:46 +02:00 • committed by Daniel Stenberg
parent 8df455479f
commit cac5374298
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GPG key ID: 5CC908FDB71E12C2
21 changed files with 960 additions and 129 deletions
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16
src/tool_setopt.c
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@ -683,7 +683,7 @@ CURLcode tool_setopt(CURL *curl, bool str, struct GlobalConfig *config,
ret = curl_easy_setopt(curl, tag, pval);
}
else {
else if(tag < CURLOPTTYPE_BLOB) {
/* Value is expected to be curl_off_t */
curl_off_t oval = va_arg(arg, curl_off_t);
msnprintf(buf, sizeof(buf),
@ -694,6 +694,20 @@ CURLcode tool_setopt(CURL *curl, bool str, struct GlobalConfig *config,
if(!oval)
skip = TRUE;
}
else {
/* Value is a blob */
void *pblob = va_arg(arg, void *);
/* blobs are never printable */
if(pblob) {
value = "blobpointer";
remark = TRUE;
}
else
skip = TRUE;
ret = curl_easy_setopt(curl, tag, pblob);
}
va_end(arg);