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Issue 2403 – Support long AWS/S3 session tokens

Browse Source 
https://winscp.net/tracker/2403

Source commit: e75ee4a242b07c4c1deab2fbf2f996b53892d349
This commit is contained in:
Martin Prikryl
2025-10-09 13:40:54 +00:00
parent eea6aa781c
commit d56df35b34
2 changed files with 5 additions and 2 deletions
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5
libs/libs3/inc/libs3.h
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@@ -160,7 +160,10 @@ extern "C" {
* S3_MAX_METADATA_SIZE is the maximum number of bytes allowed for
* x-amz-meta header names and values in any request passed to Amazon S3
**/
#define S3_MAX_METADATA_SIZE 2048
// WINSCP: Session token can have any size, but the documentation explicitly mentions 4096 bytes:
// https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_temp_request.html
// AWS itself does not support headers larger than 8192 (returns RequestHeaderSectionTooLarge)
#define S3_MAX_METADATA_SIZE 8192
/**

2
source/forms/SiteAdvanced.dfm
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@@ -1169,7 +1169,7 @@ object SiteAdvancedDialog: TSiteAdvancedDialog
Width = 419
Height = 93
Anchors = [akLeft, akTop, akRight]
MaxLength = 10000
MaxLength = 4096
TabOrder = 0
OnChange = DataChange
OnKeyDown = NoteMemoKeyDown