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sftpd: fix file upload resume detection

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WinSCP does not set the APPEND flag while resuming a file upload,
so we detect a file upload resume if the TRUNCATE flag is not set.
The APPEND flag is now ignored.

Fixes #420
This commit is contained in:
Nicola Murino 2021-05-15 08:39:01 +02:00
parent f2b93c0402
commit f59f62317e
No known key found for this signature in database
GPG key ID: 2F1FB59433D5A8CB
4 changed files with 44 additions and 30 deletions
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21
go.mod
View file

@ -8,7 +8,7 @@ require (
github.com/GehirnInc/crypt v0.0.0-20200316065508-bb7000b8a962
github.com/StackExchange/wmi v0.0.0-20210224194228-fe8f1750fd46 // indirect
github.com/alexedwards/argon2id v0.0.0-20210511081203-7d35d68092b8
github.com/aws/aws-sdk-go v1.38.39
github.com/aws/aws-sdk-go v1.38.40
github.com/cockroachdb/cockroach-go/v2 v2.1.1
github.com/coreos/go-systemd v0.0.0-20191104093116-d3cd4ed1dbcf // indirect
github.com/eikenb/pipeat v0.0.0-20200430215831-470df5986b6d
@ -48,7 +48,7 @@ require (
github.com/prometheus/common v0.24.0 // indirect
github.com/rs/cors v1.7.1-0.20200626170627-8b4a00bd362b
github.com/rs/xid v1.3.0
github.com/rs/zerolog v1.21.0
github.com/rs/zerolog v1.22.0
github.com/russross/blackfriday/v2 v2.1.0 // indirect
github.com/shirou/gopsutil/v3 v3.21.4
github.com/spf13/afero v1.6.0
@ -63,13 +63,16 @@ require (
go.uber.org/automaxprocs v1.4.0
gocloud.dev v0.22.0
gocloud.dev/secrets/hashivault v0.22.0
golang.org/x/crypto v0.0.0-20210506145944-38f3c27a63bf
golang.org/x/mod v0.4.2 // indirect
golang.org/x/net v0.0.0-20210505214959-0714010a04ed
golang.org/x/sys v0.0.0-20210511113859-b0526f3d8744
golang.org/x/crypto v0.0.0-20210513164829-c07d793c2f9a
golang.org/x/lint v0.0.0-20210508222113-6edffad5e616 // indirect
golang.org/x/net v0.0.0-20210510120150-4163338589ed
golang.org/x/oauth2 v0.0.0-20210514164344-f6687ab2804c // indirect
golang.org/x/sys v0.0.0-20210514084401-e8d321eab015
golang.org/x/time v0.0.0-20210220033141-f8bda1e9f3ba
golang.org/x/tools v0.1.1 // indirect
google.golang.org/api v0.46.0
google.golang.org/genproto v0.0.0-20210510173355-fb37daa5cd7a // indirect
google.golang.org/genproto v0.0.0-20210513213006-bf773b8c8384 // indirect
google.golang.org/grpc v1.37.1 // indirect
gopkg.in/ini.v1 v1.62.0 // indirect
gopkg.in/natefinch/lumberjack.v2 v2.0.0
gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
@ -77,6 +80,6 @@ require (
replace (
github.com/jlaffaye/ftp => github.com/drakkan/ftp v0.0.0-20201114075148-9b9adce499a9
golang.org/x/crypto => github.com/drakkan/crypto v0.0.0-20210506192352-d548717d8e01
golang.org/x/net => github.com/drakkan/net v0.0.0-20210506192712-36fee9de0f7d
golang.org/x/crypto => github.com/drakkan/crypto v0.0.0-20210515063737-edf1d3b63536
golang.org/x/net => github.com/drakkan/net v0.0.0-20210515063621-489b194adaef
)

38
go.sum
View file

@ -127,8 +127,8 @@ github.com/aws/aws-sdk-go v1.25.37/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpi
github.com/aws/aws-sdk-go v1.27.0/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
github.com/aws/aws-sdk-go v1.30.27/go.mod h1:5zCpMtNQVjRREroY7sYe8lOMRSxkhG6MZveU8YkpAk0=
github.com/aws/aws-sdk-go v1.36.1/go.mod h1:hcU610XS61/+aQV88ixoOzUoG7v3b31pl2zKMmprdro=
github.com/aws/aws-sdk-go v1.38.39 h1:n4jkKlE3DfZBN800njuHmOEQlDht4aO/kE2VNk0/6T4=
github.com/aws/aws-sdk-go v1.38.39/go.mod h1:hcU610XS61/+aQV88ixoOzUoG7v3b31pl2zKMmprdro=
github.com/aws/aws-sdk-go v1.38.40 h1:VVqBFV24tGgXR11tFXPjmR+0ItbnUepbuQjdmhgu3U0=
github.com/aws/aws-sdk-go v1.38.40/go.mod h1:hcU610XS61/+aQV88ixoOzUoG7v3b31pl2zKMmprdro=
github.com/aws/aws-sdk-go-v2 v0.18.0/go.mod h1:JWVYvqSMppoMJC0x5wdwiImzgXTI9FuZwxzkQq9wy+g=
github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
@ -203,12 +203,12 @@ github.com/docker/distribution v2.7.1+incompatible/go.mod h1:J2gT2udsDAN96Uj4Kfc
github.com/docker/docker v1.4.2-0.20200319182547-c7ad2b866182/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
github.com/docker/go-connections v0.4.0/go.mod h1:Gbd7IOopHjR8Iph03tsViu4nIes5XhDvyHbTtUxmeec=
github.com/docker/go-units v0.4.0/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk=
github.com/drakkan/crypto v0.0.0-20210506192352-d548717d8e01 h1:OBfr3EGq6DjnxhskpY5Q5TYoMUyJexusO9153DaFad0=
github.com/drakkan/crypto v0.0.0-20210506192352-d548717d8e01/go.mod h1:M1JpE4lvRI5LLrE7yTCWfhbsy5rx3oZVjGZad4XMwWc=
github.com/drakkan/crypto v0.0.0-20210515063737-edf1d3b63536 h1:3DJdhj83IA3NjlVzA1pJBoZtYnhYHRv04t5b0sRDwjM=
github.com/drakkan/crypto v0.0.0-20210515063737-edf1d3b63536/go.mod h1:M1JpE4lvRI5LLrE7yTCWfhbsy5rx3oZVjGZad4XMwWc=
github.com/drakkan/ftp v0.0.0-20201114075148-9b9adce499a9 h1:LPH1dEblAOO/LoG7yHPMtBLXhQmjaga91/DDjWk9jWA=
github.com/drakkan/ftp v0.0.0-20201114075148-9b9adce499a9/go.mod h1:2lmrmq866uF2tnje75wQHzmPXhmSWUt7Gyx2vgK1RCU=
github.com/drakkan/net v0.0.0-20210506192712-36fee9de0f7d h1:DUoPZEMoXDONtqVGBv8sGpYqZ0HgpWtdM3v9g2+dZAI=
github.com/drakkan/net v0.0.0-20210506192712-36fee9de0f7d/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
github.com/drakkan/net v0.0.0-20210515063621-489b194adaef h1:6a3G07/txg5qRwvpWZ3a2MRU4o703M6jDczbuMZ89D0=
github.com/drakkan/net v0.0.0-20210515063621-489b194adaef/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
github.com/dustin/go-humanize v0.0.0-20171111073723-bb3d318650d4/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
github.com/eapache/go-resiliency v1.1.0/go.mod h1:kFI+JgMyC7bLPUVY133qvEBtVayf5mFgVsvEsIPBvNs=
github.com/eapache/go-xerial-snappy v0.0.0-20180814174437-776d5712da21/go.mod h1:+020luEh2TKB4/GOp8oxxtq0Daoen/Cii55CzbTV6DU=
@ -774,8 +774,8 @@ github.com/rs/xid v1.3.0 h1:6NjYksEUlhurdVehpc7S7dk6DAmcKv8V9gG0FsVN2U4=
github.com/rs/xid v1.3.0/go.mod h1:trrq9SKmegXys3aeAKXMUTdJsYXVwGY3RLcfgqegfbg=
github.com/rs/zerolog v1.13.0/go.mod h1:YbFCdg8HfsridGWAh22vktObvhZbQsZXe4/zB0OKkWU=
github.com/rs/zerolog v1.15.0/go.mod h1:xYTKnLHcpfU2225ny5qZjxnj9NvkumZYjJHlAThCjNc=
github.com/rs/zerolog v1.21.0 h1:Q3vdXlfLNT+OftyBHsU0Y445MD+8m8axjKgf2si0QcM=
github.com/rs/zerolog v1.21.0/go.mod h1:ZPhntP/xmq1nnND05hhpAh2QMhSsA4UN3MGZ6O2J3hM=
github.com/rs/zerolog v1.22.0 h1:XrVUjV4K+izZpKXZHlPrYQiDtmdGiCylnT4i43AAWxg=
github.com/rs/zerolog v1.22.0/go.mod h1:ZPhntP/xmq1nnND05hhpAh2QMhSsA4UN3MGZ6O2J3hM=
github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
github.com/russross/blackfriday/v2 v2.1.0 h1:JIOH55/0cWyOuilr9/qlrm0BSXldqnqwMsf35Ld67mk=
github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
@ -861,6 +861,7 @@ github.com/yuin/goldmark v1.1.25/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9de
github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
github.com/yuin/goldmark v1.1.32/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
github.com/zenazn/goji v0.9.0/go.mod h1:7S9M489iMyHBNxwZnk9/EHS098H4/F6TATF2mIxtB1Q=
go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
go.etcd.io/bbolt v1.3.3/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
@ -917,8 +918,9 @@ golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHl
golang.org/x/lint v0.0.0-20191125180803-fdd1cda4f05f/go.mod h1:5qLYkcX4OjUUV8bRuDixDT3tpyyb+LUpUlRWLxfhWrs=
golang.org/x/lint v0.0.0-20200130185559-910be7a94367/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
golang.org/x/lint v0.0.0-20200302205851-738671d3881b/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
golang.org/x/lint v0.0.0-20201208152925-83fdc39ff7b5 h1:2M3HP5CCK1Si9FQhwnzYhXdG6DXeebvUHFpre8QvbyI=
golang.org/x/lint v0.0.0-20201208152925-83fdc39ff7b5/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
golang.org/x/lint v0.0.0-20210508222113-6edffad5e616 h1:VLliZ0d+/avPrXXH+OakdXhpJuEoBZuwh1m2j7U6Iug=
golang.org/x/lint v0.0.0-20210508222113-6edffad5e616/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc=
@ -944,8 +946,9 @@ golang.org/x/oauth2 v0.0.0-20210218202405-ba52d332ba99/go.mod h1:KelEdhl1UZF7XfJ
golang.org/x/oauth2 v0.0.0-20210220000619-9bb904979d93/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
golang.org/x/oauth2 v0.0.0-20210313182246-cd4f82c27b84/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
golang.org/x/oauth2 v0.0.0-20210413134643-5e61552d6c78/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
golang.org/x/oauth2 v0.0.0-20210427180440-81ed05c6b58c h1:SgVl/sCtkicsS7psKkje4H9YtjdEl3xsYh7N+5TDHqY=
golang.org/x/oauth2 v0.0.0-20210427180440-81ed05c6b58c/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
golang.org/x/oauth2 v0.0.0-20210514164344-f6687ab2804c h1:pkQiBZBvdos9qq4wBAHqlzuZHEXo07pqV06ef90u1WI=
golang.org/x/oauth2 v0.0.0-20210514164344-f6687ab2804c/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@ -1025,8 +1028,9 @@ golang.org/x/sys v0.0.0-20210320140829-1e4c9ba3b0c4/go.mod h1:h1NjWce9XRLGQEsW7w
golang.org/x/sys v0.0.0-20210412220455-f1c623a9e750/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210503080704-8803ae5d1324/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210511113859-b0526f3d8744 h1:yhBbb4IRs2HS9PPlAg6DMC6mUOKexJBNsLf4Z+6En1Q=
golang.org/x/sys v0.0.0-20210511113859-b0526f3d8744/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20210514084401-e8d321eab015 h1:hZR0X1kPW+nwyJ9xRxqZk1vx5RUObAPBdKVvXPDUH/E=
golang.org/x/sys v0.0.0-20210514084401-e8d321eab015/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1 h1:v+OssWQX+hTHEmOBgwxdZxK4zHq3yOs8F9J7mk0PY8E=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
@ -1112,8 +1116,9 @@ golang.org/x/tools v0.0.0-20201203202102-a1a1cbeaa516/go.mod h1:emZCQorbCU4vsT4f
golang.org/x/tools v0.0.0-20201208233053-a543418bbed2/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
golang.org/x/tools v0.0.0-20210105154028-b0ab187a4818/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
golang.org/x/tools v0.0.0-20210114065538-d78b04bdf963/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
golang.org/x/tools v0.1.0 h1:po9/4sTYwZU9lPhi1tOrb4hCv3qrhiQ77LZfGa2OjwY=
golang.org/x/tools v0.1.0/go.mod h1:xkSsbof2nBLbhDlRMhhhyNLN/zl3eTqcnHD5viDpcZ0=
golang.org/x/tools v0.1.1 h1:wGiQel/hW0NnEkJUk8lbzkX2gFJU6PFxf1v5OlCfuOs=
golang.org/x/tools v0.1.1/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
golang.org/x/xerrors v0.0.0-20190410155217-1f06c39b4373/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20190513163551-3ee3066db522/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
@ -1209,8 +1214,8 @@ google.golang.org/genproto v0.0.0-20210402141018-6c239bbf2bb1/go.mod h1:9lPAdzaE
google.golang.org/genproto v0.0.0-20210413151531-c14fb6ef47c3/go.mod h1:P3QM42oQyzQSnHPnZ/vqoCdDmzH28fzWByN9asMeM8A=
google.golang.org/genproto v0.0.0-20210420162539-3c870d7478d2/go.mod h1:P3QM42oQyzQSnHPnZ/vqoCdDmzH28fzWByN9asMeM8A=
google.golang.org/genproto v0.0.0-20210429181445-86c259c2b4ab/go.mod h1:P3QM42oQyzQSnHPnZ/vqoCdDmzH28fzWByN9asMeM8A=
google.golang.org/genproto v0.0.0-20210510173355-fb37daa5cd7a h1:tzkHckzMzgPr8SC4taTC3AldLr4+oJivSoq1xf/nhsc=
google.golang.org/genproto v0.0.0-20210510173355-fb37daa5cd7a/go.mod h1:P3QM42oQyzQSnHPnZ/vqoCdDmzH28fzWByN9asMeM8A=
google.golang.org/genproto v0.0.0-20210513213006-bf773b8c8384 h1:z+j74wi4yV+P7EtK9gPLGukOk7mFOy9wMQaC0wNb7eY=
google.golang.org/genproto v0.0.0-20210513213006-bf773b8c8384/go.mod h1:P3QM42oQyzQSnHPnZ/vqoCdDmzH28fzWByN9asMeM8A=
google.golang.org/grpc v1.14.0/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmEdcZw=
google.golang.org/grpc v1.17.0/go.mod h1:6QZJwpn2B+Zp71q/5VxRsJ6NXXVCE5NRUHRo+f3cWCs=
google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
@ -1237,8 +1242,9 @@ google.golang.org/grpc v1.34.0/go.mod h1:WotjhfgOW/POjDeRt8vscBtXq+2VjORFy659qA5
google.golang.org/grpc v1.35.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
google.golang.org/grpc v1.36.1/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
google.golang.org/grpc v1.37.0 h1:uSZWeQJX5j11bIQ4AJoj+McDBo29cY1MCoC1wO3ts+c=
google.golang.org/grpc v1.37.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
google.golang.org/grpc v1.37.1 h1:ARnQJNWxGyYJpdf/JXscNlQr/uv607ZPU9Z7ogHi+iI=
google.golang.org/grpc v1.37.1/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=

11
sftpd/handler.go
View file

@ -355,8 +355,9 @@ func (c *Connection) handleSFTPUploadToExistingFile(fs vfs.Fs, pflags sftp.FileO
minWriteOffset := int64(0)
osFlags := getOSOpenFlags(pflags)
isTruncate := osFlags&os.O_TRUNC != 0
isResume := pflags.Append && !isTruncate
// for upload resumes OpenSSH sets the APPEND flag while WinSCP does not set it,
// so we suppose this is an upload resume if the TRUNCATE flag is not set
isResume := !isTruncate
// if there is a size limit the remaining size cannot be 0 here, since quotaResult.HasSpace
// will return false in this case and we deny the upload before.
// For Cloud FS GetMaxWriteSize will return unsupported operation
@ -383,8 +384,12 @@ func (c *Connection) handleSFTPUploadToExistingFile(fs vfs.Fs, pflags sftp.FileO
initialSize := int64(0)
if isResume {
c.Log(logger.LevelDebug, "resuming upload requested, file path %#v initial size: %v", filePath, fileSize)
c.Log(logger.LevelDebug, "resuming upload requested, file path %#v initial size: %v has append flag %v",
filePath, fileSize, pflags.Append)
// enforce min write offset only if the client passed the APPEND flag
if pflags.Append {
minWriteOffset = fileSize
}
initialSize = fileSize
} else {
if vfs.IsLocalOrSFTPFs(fs) && isTruncate {

2
webdavd/webdavd_test.go
View file

@ -1191,7 +1191,7 @@ func TestQuotaLimits(t *testing.T) {
testFilePath2 := filepath.Join(homeBasePath, testFileName2)
err = createTestFile(testFilePath2, testFileSize2)
assert.NoError(t, err)
client := getWebDavClient(user, false, nil)
client := getWebDavClient(user, true, nil)
// test quota files
err = uploadFile(testFilePath, testFileName+".quota", testFileSize, client)
if !assert.NoError(t, err, "username: %v", user.Username) {