├── LICENSE ├── README.md ├── envvar.go ├── paths.go ├── registry.go └── service.go /LICENSE: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 2, June 1991 3 | 4 | Copyright (C) 1989, 1991 Free Software Foundation, Inc., 5 | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 6 | Everyone is permitted to copy and distribute verbatim copies 7 | of this license document, but changing it is not allowed. 8 | 9 | Preamble 10 | 11 | The licenses for most software are designed to take away your 12 | freedom to share and change it. By contrast, the GNU General Public 13 | License is intended to guarantee your freedom to share and change free 14 | software--to make sure the software is free for all its users. This 15 | General Public License applies to most of the Free Software 16 | Foundation's software and to any other program whose authors commit to 17 | using it. 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In such case, this License incorporates 235 | the limitation as if written in the body of this License. 236 | 237 | 9. The Free Software Foundation may publish revised and/or new versions 238 | of the General Public License from time to time. Such new versions will 239 | be similar in spirit to the present version, but may differ in detail to 240 | address new problems or concerns. 241 | 242 | Each version is given a distinguishing version number. If the Program 243 | specifies a version number of this License which applies to it and "any 244 | later version", you have the option of following the terms and conditions 245 | either of that version or of any later version published by the Free 246 | Software Foundation. If the Program does not specify a version number of 247 | this License, you may choose any version ever published by the Free Software 248 | Foundation. 249 | 250 | 10. If you wish to incorporate parts of the Program into other free 251 | programs whose distribution conditions are different, write to the author 252 | to ask for permission. For software which is copyrighted by the Free 253 | Software Foundation, write to the Free Software Foundation; we sometimes 254 | make exceptions for this. Our decision will be guided by the two goals 255 | of preserving the free status of all derivatives of our free software and 256 | of promoting the sharing and reuse of software generally. 257 | 258 | NO WARRANTY 259 | 260 | 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY 261 | FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN 262 | OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES 263 | PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED 264 | OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 265 | MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 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It is safest 289 | to attach them to the start of each source file to most effectively 290 | convey the exclusion of warranty; and each file should have at least 291 | the "copyright" line and a pointer to where the full notice is found. 292 | 293 | {description} 294 | Copyright (C) {year} {fullname} 295 | 296 | This program is free software; you can redistribute it and/or modify 297 | it under the terms of the GNU General Public License as published by 298 | the Free Software Foundation; either version 2 of the License, or 299 | (at your option) any later version. 300 | 301 | This program is distributed in the hope that it will be useful, 302 | but WITHOUT ANY WARRANTY; without even the implied warranty of 303 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 304 | GNU General Public License for more details. 305 | 306 | You should have received a copy of the GNU General Public License along 307 | with this program; if not, write to the Free Software Foundation, Inc., 308 | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 309 | 310 | Also add information on how to contact you by electronic and paper mail. 311 | 312 | If the program is interactive, make it output a short notice like this 313 | when it starts in an interactive mode: 314 | 315 | Gnomovision version 69, Copyright (C) year name of author 316 | Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 317 | This is free software, and you are welcome to redistribute it 318 | under certain conditions; type `show c' for details. 319 | 320 | The hypothetical commands `show w' and `show c' should show the appropriate 321 | parts of the General Public License. Of course, the commands you use may 322 | be called something other than `show w' and `show c'; they could even be 323 | mouse-clicks or menu items--whatever suits your program. 324 | 325 | You should also get your employer (if you work as a programmer) or your 326 | school, if any, to sign a "copyright disclaimer" for the program, if 327 | necessary. Here is a sample; alter the names: 328 | 329 | Yoyodyne, Inc., hereby disclaims all copyright interest in the program 330 | `Gnomovision' (which makes passes at compilers) written by James Hacker. 331 | 332 | {signature of Ty Coon}, 1 April 1989 333 | Ty Coon, President of Vice 334 | 335 | This General Public License does not permit incorporating your program into 336 | proprietary programs. If your program is a subroutine library, you may 337 | consider it more useful to permit linking proprietary applications with the 338 | library. If this is what you want to do, use the GNU Lesser General 339 | Public License instead of this License. 340 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | gowin 2 | ===== 3 | 4 | Provide a simple Windows OS interface to manipulate Windows registry, environment variables, default paths and Windows services with Golang. 5 | 6 | ### How to use it 7 | ```go 8 | go get github.com/luisiturrios/gowin 9 | ``` 10 | 11 | ```go 12 | import "github.com/luisiturrios/gowin" 13 | ``` 14 | 15 | ### Example write, read & removing windows registry keys 16 | ```go 17 | //Write string on the registry require admin privileges 18 | err = gowin.WriteStringReg("HKLM",`Software\iturrios\gowin`,"value","Hello world") 19 | if err != nil { 20 | log.Println(err) 21 | } else { 22 | fmt.Println("Key inserted") 23 | } 24 | ``` 25 | ```go 26 | //Write uint32 on the registry require admin privileges 27 | err = gowin.WriteDwordReg("HKLM",`Software\iturrios\gowin`,"value2", 4294967295) 28 | if err != nil { 29 | log.Println(err) 30 | } else{ 31 | fmt.Println("Key inserted") 32 | } 33 | ``` 34 | ```go 35 | //Get reg 36 | val, err := gowin.GetReg("HKLM", `Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders`, "Common AppData") 37 | if err != nil { 38 | log.Println(err) 39 | } 40 | fmt.Printf(val) 41 | ``` 42 | ```go 43 | //Remove key 44 | err = gowin.DeleteKey("HKLM",`Software\iturrios`,"gowin") 45 | if err != nil { 46 | log.Println(err) 47 | } else { 48 | fmt.Println("Key Removed") 49 | } 50 | ``` 51 | 52 | ### Example reading windows ShellFolders 53 | ```go 54 | folders := gowin.ShellFolders{Context: gowin.ALL} 55 | //Or 56 | folder := new(gowin.ShellFolders) 57 | 58 | //Read ProgramFiles 59 | fmt.Println(folders.ProgramFiles()) 60 | 61 | //Read all user AppData 62 | folders.Context = gowin.ALL 63 | fmt.Println(folders.AppData()) 64 | 65 | //Read Current user AppData 66 | folders.Context = gowin.USER 67 | fmt.Println(folders.AppData()) 68 | 69 | //Functions 70 | folders.ProgramFiles() 71 | folders.AppData() 72 | folders.Desktop() 73 | folders.Documents() 74 | folders.StartMenu() 75 | folders.StartMenuPrograms() 76 | ``` 77 | 78 | ### Example reading windows environment variables 79 | ```go 80 | //Get environment var 81 | goroot := gowin.GetEnvVar("GOROOT") 82 | fmt.Printf("GORROT: %s\n", goroot) 83 | ``` 84 | ```go 85 | //Write environment var 86 | err := gowin.WriteEnvVar("TVAR","hello word") 87 | if err != nil { 88 | log.Println(err) 89 | } 90 | ``` 91 | 92 | ### Donation 93 | If you appreciate the work in this repo and like the continue development donate to this paypal account 94 | luisiturrios@me.com 95 | Thanks 96 | -------------------------------------------------------------------------------- /envvar.go: -------------------------------------------------------------------------------- 1 | // Provide simple Windows OS interface to manipulate windows registry, environment variables, default paths and windows services from Golang lenguaje 2 | // 3 | package gowin 4 | 5 | import ( 6 | "os" 7 | ) 8 | 9 | // Use to read value from windows environment variables by name 10 | func GetEnvVar(name string)(val string){ 11 | val = os.Getenv(name) 12 | return 13 | } 14 | 15 | // Use to write value on windows environment variable by name 16 | func WriteEnvVar(name, val string)(err error){ 17 | err = os.Setenv(name, val) 18 | return 19 | } 20 | -------------------------------------------------------------------------------- /paths.go: -------------------------------------------------------------------------------- 1 | package gowin 2 | 3 | import ( 4 | 5 | ) 6 | 7 | const ( 8 | ALL=true//Use for make ShellFolders.Context 9 | USER=false//Use for make ShellFolders.Context 10 | ) 11 | 12 | type ShellFolders struct { 13 | Context bool 14 | } 15 | 16 | // Return string with ProgramFiles path 17 | // Its don't use the Context value 18 | func(s *ShellFolders)ProgramFiles()(val string){ 19 | val, _ = GetReg("HKLM", `SOFTWARE\Microsoft\Windows\CurrentVersion`, "ProgramFilesDir") 20 | return 21 | } 22 | 23 | // Return string with AppData path, its use the Context defined in the ShellFolders struct 24 | func(s *ShellFolders)AppData()(val string){ 25 | if s.Context { 26 | val, _ = GetReg("HKLM", `Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders`, "Common AppData") 27 | return 28 | } 29 | val, _ = GetReg("HKCU", `Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders`, "AppData") 30 | return 31 | } 32 | 33 | // Return string with Desktop path, its use the Context defined in the ShellFolders struct 34 | func(s *ShellFolders)Desktop()(val string){ 35 | if s.Context { 36 | val, _ = GetReg("HKLM", `Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders`, "Common Desktop") 37 | return 38 | } 39 | val, _ = GetReg("HKCU", `Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders`, "Desktop") 40 | return 41 | } 42 | 43 | // Return string with Documents path, its use the Context defined in the ShellFolders struct 44 | func(s *ShellFolders)Documents()(val string){ 45 | if s.Context { 46 | val, _ = GetReg("HKLM", `Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders`, "Common Documents") 47 | return 48 | } 49 | val, _ = GetReg("HKCU", `Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders`, "Personal") 50 | return 51 | } 52 | 53 | // Return string with StarMenu root path, its use the Context defined in the ShellFolders struct 54 | func(s *ShellFolders)StartMenu()(val string){ 55 | if s.Context { 56 | val, _ = GetReg("HKLM", `Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders`, "Common Start Menu") 57 | return 58 | } 59 | val, _ = GetReg("HKCU", `Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders`, "Start Menu") 60 | return 61 | } 62 | 63 | // Return string with StarMenu programs path, its use the Context defined in the ShellFolders struct 64 | func(s *ShellFolders)StartMenuPrograms()(val string){ 65 | if s.Context { 66 | val, _ = GetReg("HKLM", `Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders`, "Common Programs") 67 | return 68 | } 69 | val, _ = GetReg("HKCU", `Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders`, "Programs") 70 | return 71 | } 72 | -------------------------------------------------------------------------------- /registry.go: -------------------------------------------------------------------------------- 1 | package gowin 2 | 3 | import ( 4 | "errors" 5 | "syscall" 6 | "unsafe" 7 | 8 | "github.com/btcsuite/winsvc/winapi" 9 | ) 10 | 11 | // TODO: Solve error in query DWORD registry 12 | // Use to read value from windows registry the HKEY in the next definition HKLM, HKCU, HKCC, HKCR, HKU 13 | func GetRegRaw(hkey, path, name string) (val []uint16, err error) { 14 | var handle syscall.Handle 15 | switch hkey { 16 | case "HKLM": 17 | err = syscall.RegOpenKeyEx(syscall.HKEY_LOCAL_MACHINE, syscall.StringToUTF16Ptr(path), 0, syscall.KEY_READ, &handle) 18 | case "HKCC": 19 | err = syscall.RegOpenKeyEx(syscall.HKEY_CURRENT_CONFIG, syscall.StringToUTF16Ptr(path), 0, syscall.KEY_READ, &handle) 20 | case "HKCR": 21 | err = syscall.RegOpenKeyEx(syscall.HKEY_CLASSES_ROOT, syscall.StringToUTF16Ptr(path), 0, syscall.KEY_READ, &handle) 22 | case "HKCU": 23 | err = syscall.RegOpenKeyEx(syscall.HKEY_CURRENT_USER, syscall.StringToUTF16Ptr(path), 0, syscall.KEY_READ, &handle) 24 | case "HKU": 25 | err = syscall.RegOpenKeyEx(syscall.HKEY_USERS, syscall.StringToUTF16Ptr(path), 0, syscall.KEY_READ, &handle) 26 | default: 27 | err = errors.New("Unknown HKEY: " + hkey) 28 | return 29 | } 30 | if err != nil { 31 | return 32 | } 33 | defer syscall.RegCloseKey(handle) 34 | var typ uint32 35 | var buffer [syscall.MAX_LONG_PATH]uint16 36 | n := uint32(len(buffer)) 37 | err = syscall.RegQueryValueEx(handle, syscall.StringToUTF16Ptr(name), nil, &typ, (*byte)(unsafe.Pointer(&buffer[0])), &n) 38 | if err != nil { 39 | return 40 | } 41 | var lastNonNull uint64 42 | lastNonNull = 0 43 | length := uint64(len(buffer)) 44 | for i := uint64(0); i < length; i++ { 45 | if buffer[i] != 0x00 { 46 | lastNonNull = (i + 1) 47 | } 48 | } 49 | if lastNonNull >= length { 50 | lastNonNull = (length - 1) 51 | } 52 | val = buffer[:lastNonNull] 53 | return 54 | } 55 | 56 | func GetReg(hkey, path, name string) (val string, err error) { 57 | buffer, err := GetRegRaw(hkey, path, name) 58 | if err == nil { 59 | val = syscall.UTF16ToString(buffer[:]) 60 | } 61 | return 62 | } 63 | 64 | // Use to write string value to windows registry the HKEY in the next definition HHLM, HKCU, HKCC, HKCR, HKU 65 | func WriteStringReg(hkey, path, name, val string) (err error) { 66 | var handle syscall.Handle 67 | switch hkey { 68 | case "HKLM": 69 | err = syscall.RegOpenKeyEx(syscall.HKEY_LOCAL_MACHINE, syscall.StringToUTF16Ptr(""), 0, syscall.KEY_CREATE_SUB_KEY, &handle) 70 | case "HKCC": 71 | err = syscall.RegOpenKeyEx(syscall.HKEY_CURRENT_CONFIG, syscall.StringToUTF16Ptr(""), 0, syscall.KEY_CREATE_SUB_KEY, &handle) 72 | case "HKCR": 73 | err = syscall.RegOpenKeyEx(syscall.HKEY_CLASSES_ROOT, syscall.StringToUTF16Ptr(""), 0, syscall.KEY_CREATE_SUB_KEY, &handle) 74 | case "HKCU": 75 | err = syscall.RegOpenKeyEx(syscall.HKEY_CURRENT_USER, syscall.StringToUTF16Ptr(""), 0, syscall.KEY_CREATE_SUB_KEY, &handle) 76 | case "HKU": 77 | err = syscall.RegOpenKeyEx(syscall.HKEY_USERS, syscall.StringToUTF16Ptr(""), 0, syscall.KEY_CREATE_SUB_KEY, &handle) 78 | default: 79 | err = errors.New("Unknown HKEY: " + hkey) 80 | return 81 | } 82 | if err != nil { 83 | return 84 | } 85 | defer syscall.RegCloseKey(handle) 86 | var d uint32 87 | err = winapi.RegCreateKeyEx(handle, syscall.StringToUTF16Ptr(path), 0, nil, winapi.REG_OPTION_NON_VOLATILE, syscall.KEY_ALL_ACCESS, nil, &handle, &d) 88 | if err != nil { 89 | return 90 | } 91 | buf := syscall.StringToUTF16(val) 92 | err = winapi.RegSetValueEx(handle, syscall.StringToUTF16Ptr(name), 0, syscall.REG_SZ, (*byte)(unsafe.Pointer(&buf[0])), uint32(len(buf)*2)) 93 | return 94 | } 95 | 96 | // Use to write uint32 value to windows registry the HKEY in the next definition HHLM, HKCU, HKCC, HKCR, HKU 97 | func WriteDwordReg(hkey, path, name string, val uint32) (err error) { 98 | var handle syscall.Handle 99 | switch hkey { 100 | case "HKLM": 101 | err = syscall.RegOpenKeyEx(syscall.HKEY_LOCAL_MACHINE, syscall.StringToUTF16Ptr(""), 0, syscall.KEY_CREATE_SUB_KEY, &handle) 102 | case "HKCC": 103 | err = syscall.RegOpenKeyEx(syscall.HKEY_CURRENT_CONFIG, syscall.StringToUTF16Ptr(""), 0, syscall.KEY_CREATE_SUB_KEY, &handle) 104 | case "HKCR": 105 | err = syscall.RegOpenKeyEx(syscall.HKEY_CLASSES_ROOT, syscall.StringToUTF16Ptr(""), 0, syscall.KEY_CREATE_SUB_KEY, &handle) 106 | case "HKCU": 107 | err = syscall.RegOpenKeyEx(syscall.HKEY_CURRENT_USER, syscall.StringToUTF16Ptr(""), 0, syscall.KEY_CREATE_SUB_KEY, &handle) 108 | case "HKU": 109 | err = syscall.RegOpenKeyEx(syscall.HKEY_USERS, syscall.StringToUTF16Ptr(""), 0, syscall.KEY_CREATE_SUB_KEY, &handle) 110 | default: 111 | err = errors.New("Unknown HKEY: " + hkey) 112 | return 113 | } 114 | if err != nil { 115 | return 116 | } 117 | defer syscall.RegCloseKey(handle) 118 | var d uint32 119 | err = winapi.RegCreateKeyEx(handle, syscall.StringToUTF16Ptr(path), 0, nil, winapi.REG_OPTION_NON_VOLATILE, syscall.KEY_ALL_ACCESS, nil, &handle, &d) 120 | if err != nil { 121 | return 122 | } 123 | err = winapi.RegSetValueEx(handle, syscall.StringToUTF16Ptr(name), 0, syscall.REG_DWORD, (*byte)(unsafe.Pointer(&val)), uint32(unsafe.Sizeof(val))) 124 | return 125 | } 126 | 127 | // Use to remove key from windows registry the HKEY in the next definition HHLM, HKCU, HKCC, HKCR, HKU 128 | func DeleteKey(hkey, path, name string) (err error) { 129 | var handle syscall.Handle 130 | switch hkey { 131 | case "HKLM": 132 | err = syscall.RegOpenKeyEx(syscall.HKEY_LOCAL_MACHINE, syscall.StringToUTF16Ptr(path), 0, syscall.KEY_READ, &handle) 133 | case "HKCC": 134 | err = syscall.RegOpenKeyEx(syscall.HKEY_CURRENT_CONFIG, syscall.StringToUTF16Ptr(path), 0, syscall.KEY_READ, &handle) 135 | case "HKCR": 136 | err = syscall.RegOpenKeyEx(syscall.HKEY_CLASSES_ROOT, syscall.StringToUTF16Ptr(path), 0, syscall.KEY_READ, &handle) 137 | case "HKCU": 138 | err = syscall.RegOpenKeyEx(syscall.HKEY_CURRENT_USER, syscall.StringToUTF16Ptr(path), 0, syscall.KEY_READ, &handle) 139 | case "HKU": 140 | err = syscall.RegOpenKeyEx(syscall.HKEY_USERS, syscall.StringToUTF16Ptr(path), 0, syscall.KEY_READ, &handle) 141 | default: 142 | err = errors.New("Unknown HKEY: " + hkey) 143 | return 144 | } 145 | if err != nil { 146 | return 147 | } 148 | defer syscall.RegCloseKey(handle) 149 | err = winapi.RegDeleteKey(handle, syscall.StringToUTF16Ptr(name)) 150 | return 151 | } 152 | -------------------------------------------------------------------------------- /service.go: -------------------------------------------------------------------------------- 1 | package gowin 2 | 3 | import ( 4 | 5 | ) 6 | 7 | type Service struct { 8 | name string // 9 | dispName string // 10 | desc string // 11 | exePath string // 12 | } 13 | 14 | //TODO : make code for it 15 | func(s *Service) install()(msj string, err error){ 16 | return 17 | } 18 | 19 | //TODO : make code for it 20 | func(s *Service) remove()(msj string, err error){ 21 | return 22 | } 23 | 24 | //TODO : make code for it 25 | func(s *Service) start()(msj string, err error){ 26 | return 27 | } 28 | 29 | //TODO : make code for it 30 | func(s *Service) stop()(msj string, err error){ 31 | return 32 | } 33 | 34 | //TODO : make code for it 35 | func(s *Service) restart()(msj string, err error){ 36 | return 37 | } 38 | --------------------------------------------------------------------------------