diff options
Diffstat (limited to 'vendor/modernc.org/libc/libc_linux.go')
| -rw-r--r-- | vendor/modernc.org/libc/libc_linux.go | 531 |
1 files changed, 0 insertions, 531 deletions
diff --git a/vendor/modernc.org/libc/libc_linux.go b/vendor/modernc.org/libc/libc_linux.go index 991a98c8e..bec2119fc 100644 --- a/vendor/modernc.org/libc/libc_linux.go +++ b/vendor/modernc.org/libc/libc_linux.go @@ -5,7 +5,6 @@ package libc // import "modernc.org/libc" import ( - "bufio" "encoding/hex" "fmt" "math" @@ -14,8 +13,6 @@ import ( "os/exec" "path/filepath" "runtime/debug" - "strconv" - "strings" "sync" "syscall" "time" @@ -26,13 +23,11 @@ import ( "modernc.org/libc/errno" "modernc.org/libc/fcntl" "modernc.org/libc/fts" - "modernc.org/libc/grp" gonetdb "modernc.org/libc/honnef.co/go/netdb" "modernc.org/libc/langinfo" "modernc.org/libc/limits" "modernc.org/libc/netdb" "modernc.org/libc/netinet/in" - "modernc.org/libc/pwd" "modernc.org/libc/signal" "modernc.org/libc/stdio" "modernc.org/libc/stdlib" @@ -655,281 +650,6 @@ func Xsystem(t *TLS, command uintptr) int32 { return 0 } -var staticGetpwuid pwd.Passwd - -func init() { - atExit = append(atExit, func() { closePasswd(&staticGetpwuid) }) -} - -func closePasswd(p *pwd.Passwd) { - Xfree(nil, p.Fpw_name) - Xfree(nil, p.Fpw_passwd) - Xfree(nil, p.Fpw_gecos) - Xfree(nil, p.Fpw_dir) - Xfree(nil, p.Fpw_shell) - *p = pwd.Passwd{} -} - -// struct passwd *getpwuid(uid_t uid); -func Xgetpwuid(t *TLS, uid uint32) uintptr { - f, err := os.Open("/etc/passwd") - if err != nil { - panic(todo("", err)) - } - - defer f.Close() - - sid := strconv.Itoa(int(uid)) - sc := bufio.NewScanner(f) - for sc.Scan() { - // eg. "root:x:0:0:root:/root:/bin/bash" - a := strings.Split(sc.Text(), ":") - if len(a) < 7 { - panic(todo("")) - } - - if a[2] == sid { - uid, err := strconv.Atoi(a[2]) - if err != nil { - panic(todo("")) - } - - gid, err := strconv.Atoi(a[3]) - if err != nil { - panic(todo("")) - } - - closePasswd(&staticGetpwuid) - gecos := a[4] - if strings.Contains(gecos, ",") { - a := strings.Split(gecos, ",") - gecos = a[0] - } - initPasswd(t, &staticGetpwuid, a[0], a[1], uint32(uid), uint32(gid), gecos, a[5], a[6]) - return uintptr(unsafe.Pointer(&staticGetpwuid)) - } - } - - if sc.Err() != nil { - panic(todo("")) - } - - return 0 -} - -func initPasswd(t *TLS, p *pwd.Passwd, name, pwd string, uid, gid uint32, gecos, dir, shell string) { - p.Fpw_name = cString(t, name) - p.Fpw_passwd = cString(t, pwd) - p.Fpw_uid = uid - p.Fpw_gid = gid - p.Fpw_gecos = cString(t, gecos) - p.Fpw_dir = cString(t, dir) - p.Fpw_shell = cString(t, shell) -} - -func initPasswd2(t *TLS, buf uintptr, buflen types.Size_t, p *pwd.Passwd, name, pwd string, uid, gid uint32, gecos, dir, shell string) bool { - p.Fpw_name, buf, buflen = bufString(buf, buflen, name) - if buf == 0 { - return false - } - - p.Fpw_passwd, buf, buflen = bufString(buf, buflen, pwd) - if buf == 0 { - return false - } - - p.Fpw_uid = uid - p.Fpw_gid = gid - if buf == 0 { - return false - } - - p.Fpw_gecos, buf, buflen = bufString(buf, buflen, gecos) - if buf == 0 { - return false - } - - p.Fpw_dir, buf, buflen = bufString(buf, buflen, dir) - if buf == 0 { - return false - } - - p.Fpw_shell, buf, buflen = bufString(buf, buflen, shell) - if buf == 0 { - return false - } - - return true -} - -func bufString(buf uintptr, buflen types.Size_t, s string) (uintptr, uintptr, types.Size_t) { - buf0 := buf - rq := len(s) + 1 - if rq > int(buflen) { - return 0, 0, 0 - } - - copy((*RawMem)(unsafe.Pointer(buf))[:len(s):len(s)], s) - buf += uintptr(len(s)) - *(*byte)(unsafe.Pointer(buf)) = 0 - return buf0, buf + 1, buflen - types.Size_t(rq) -} - -// int getpwuid_r(uid_t uid, struct passwd *pwd, char *buf, size_t buflen, struct passwd **result); -func Xgetpwuid_r(t *TLS, uid types.Uid_t, cpwd, buf uintptr, buflen types.Size_t, result uintptr) int32 { - f, err := os.Open("/etc/passwd") - if err != nil { - panic(todo("", err)) - } - - defer f.Close() - - sid := strconv.Itoa(int(uid)) - sc := bufio.NewScanner(f) - for sc.Scan() { - // eg. "root:x:0:0:root:/root:/bin/bash" - a := strings.Split(sc.Text(), ":") - if len(a) < 7 { - panic(todo("")) - } - - if a[2] == sid { - uid, err := strconv.Atoi(a[2]) - if err != nil { - panic(todo("")) - } - - gid, err := strconv.Atoi(a[3]) - if err != nil { - panic(todo("")) - } - - gecos := a[4] - if strings.Contains(gecos, ",") { - a := strings.Split(gecos, ",") - gecos = a[0] - } - var v pwd.Passwd - if initPasswd2(t, buf, buflen, &v, a[0], a[1], uint32(uid), uint32(gid), gecos, a[5], a[6]) { - *(*pwd.Passwd)(unsafe.Pointer(cpwd)) = v - *(*uintptr)(unsafe.Pointer(result)) = cpwd - return 0 - } - - *(*uintptr)(unsafe.Pointer(result)) = 0 - return errno.ERANGE - } - } - - if sc.Err() != nil { - panic(todo("")) - } - - *(*uintptr)(unsafe.Pointer(result)) = 0 - return 0 -} - -// struct passwd *getpwnam(const char *name); -func Xgetpwnam(t *TLS, name uintptr) uintptr { - f, err := os.Open("/etc/passwd") - if err != nil { - panic(todo("", err)) - } - - defer f.Close() - - sname := GoString(name) - sc := bufio.NewScanner(f) - for sc.Scan() { - // eg. "root:x:0:0:root:/root:/bin/bash" - a := strings.Split(sc.Text(), ":") - if len(a) < 7 { - panic(todo("")) - } - - if a[0] == sname { - uid, err := strconv.Atoi(a[2]) - if err != nil { - panic(todo("")) - } - - gid, err := strconv.Atoi(a[3]) - if err != nil { - panic(todo("")) - } - - closePasswd(&staticGetpwnam) - gecos := a[4] - if strings.Contains(gecos, ",") { - a := strings.Split(gecos, ",") - gecos = a[0] - } - initPasswd(t, &staticGetpwnam, a[0], a[1], uint32(uid), uint32(gid), gecos, a[5], a[6]) - return uintptr(unsafe.Pointer(&staticGetpwnam)) - } - } - - if sc.Err() != nil { - panic(todo("")) - } - - return 0 -} - -// int getpwnam_r(char *name, struct passwd *pwd, char *buf, size_t buflen, struct passwd **result); -func Xgetpwnam_r(t *TLS, name, cpwd, buf uintptr, buflen types.Size_t, result uintptr) int32 { - f, err := os.Open("/etc/passwd") - if err != nil { - panic(todo("", err)) - } - - defer f.Close() - - sname := GoString(name) - sc := bufio.NewScanner(f) - for sc.Scan() { - // eg. "root:x:0:0:root:/root:/bin/bash" - a := strings.Split(sc.Text(), ":") - if len(a) < 7 { - panic(todo("")) - } - - if a[0] == sname { - uid, err := strconv.Atoi(a[2]) - if err != nil { - panic(todo("")) - } - - gid, err := strconv.Atoi(a[3]) - if err != nil { - panic(todo("")) - } - - gecos := a[4] - if strings.Contains(gecos, ",") { - a := strings.Split(gecos, ",") - gecos = a[0] - } - var v pwd.Passwd - if initPasswd2(t, buf, buflen, &v, a[0], a[1], uint32(uid), uint32(gid), gecos, a[5], a[6]) { - *(*pwd.Passwd)(unsafe.Pointer(cpwd)) = v - *(*uintptr)(unsafe.Pointer(result)) = cpwd - return 0 - } - - *(*uintptr)(unsafe.Pointer(result)) = 0 - return errno.ERANGE - } - } - - if sc.Err() != nil { - panic(todo("")) - } - - *(*uintptr)(unsafe.Pointer(result)) = 0 - return 0 -} - // int setvbuf(FILE *stream, char *buf, int mode, size_t size); func Xsetvbuf(t *TLS, stream, buf uintptr, mode int32, size types.Size_t) int32 { return 0 //TODO @@ -965,257 +685,6 @@ func Xfileno(t *TLS, stream uintptr) int32 { return -1 } -var staticGetpwnam pwd.Passwd - -func init() { - atExit = append(atExit, func() { closePasswd(&staticGetpwnam) }) -} - -var staticGetgrnam grp.Group - -func init() { - atExit = append(atExit, func() { closeGroup(&staticGetgrnam) }) -} - -// struct group *getgrnam(const char *name); -func Xgetgrnam(t *TLS, name uintptr) uintptr { - f, err := os.Open("/etc/group") - if err != nil { - panic(todo("")) - } - - defer f.Close() - - sname := GoString(name) - sc := bufio.NewScanner(f) - for sc.Scan() { - // eg. "root:x:0:" - a := strings.Split(sc.Text(), ":") - if len(a) < 4 { - panic(todo("")) - } - - if a[0] == sname { - closeGroup(&staticGetgrnam) - gid, err := strconv.Atoi(a[2]) - if err != nil { - panic(todo("")) - } - - var names []string - if a[3] != "" { - names = strings.Split(a[3], ",") - } - initGroup(t, &staticGetgrnam, a[0], a[1], uint32(gid), names) - return uintptr(unsafe.Pointer(&staticGetgrnam)) - } - } - - if sc.Err() != nil { - panic(todo("")) - } - - return 0 -} - -// int getgrnam_r(const char *name, struct group *grp, char *buf, size_t buflen, struct group **result); -func Xgetgrnam_r(t *TLS, name, pGrp, buf uintptr, buflen types.Size_t, result uintptr) int32 { - f, err := os.Open("/etc/group") - if err != nil { - panic(todo("")) - } - - defer f.Close() - - sname := GoString(name) - sc := bufio.NewScanner(f) - for sc.Scan() { - // eg. "root:x:0:" - a := strings.Split(sc.Text(), ":") - if len(a) < 4 { - panic(todo("")) - } - - if a[0] == sname { - gid, err := strconv.Atoi(a[2]) - if err != nil { - panic(todo("")) - } - - var names []string - if a[3] != "" { - names = strings.Split(a[3], ",") - } - var x grp.Group - if initGroup2(buf, buflen, &x, a[0], a[1], uint32(gid), names) { - *(*grp.Group)(unsafe.Pointer(pGrp)) = x - *(*uintptr)(unsafe.Pointer(result)) = pGrp - return 0 - } - - *(*uintptr)(unsafe.Pointer(result)) = 0 - return 0 - } - } - - if sc.Err() != nil { - panic(todo("")) - } - - *(*uintptr)(unsafe.Pointer(result)) = 0 - return 0 -} - -func closeGroup(p *grp.Group) { - Xfree(nil, p.Fgr_name) - Xfree(nil, p.Fgr_passwd) - if p := p.Fgr_mem; p != 0 { - for { - q := *(*uintptr)(unsafe.Pointer(p)) - if q == 0 { - break - } - - Xfree(nil, q) - p += unsafe.Sizeof(uintptr(0)) - } - } - *p = grp.Group{} -} - -func initGroup(t *TLS, p *grp.Group, name, pwd string, gid uint32, names []string) { - p.Fgr_name = cString(t, name) - p.Fgr_passwd = cString(t, pwd) - p.Fgr_gid = gid - a := Xcalloc(t, 1, types.Size_t(unsafe.Sizeof(uintptr(0)))*types.Size_t((len(names)+1))) - if a == 0 { - panic("OOM") - } - - for p := a; len(names) != 0; p += unsafe.Sizeof(uintptr(0)) { - *(*uintptr)(unsafe.Pointer(p)) = cString(t, names[0]) - names = names[1:] - } - p.Fgr_mem = a -} - -func initGroup2(buf uintptr, buflen types.Size_t, p *grp.Group, name, pwd string, gid uint32, names []string) bool { - p.Fgr_name, buf, buflen = bufString(buf, buflen, name) - if buf == 0 { - return false - } - - p.Fgr_passwd, buf, buflen = bufString(buf, buflen, pwd) - if buf == 0 { - return false - } - - p.Fgr_gid = gid - rq := unsafe.Sizeof(uintptr(0)) * uintptr(len(names)+1) - if rq > uintptr(buflen) { - return false - } - - a := buf - buf += rq - for ; len(names) != 0; buf += unsafe.Sizeof(uintptr(0)) { - if len(names[0])+1 > int(buflen) { - return false - } - - *(*uintptr)(unsafe.Pointer(buf)), buf, buflen = bufString(buf, buflen, names[0]) - names = names[1:] - } - *(*uintptr)(unsafe.Pointer(buf)) = 0 - p.Fgr_mem = a - return true -} - -func init() { - atExit = append(atExit, func() { closeGroup(&staticGetgrgid) }) -} - -var staticGetgrgid grp.Group - -// struct group *getgrgid(gid_t gid); -func Xgetgrgid(t *TLS, gid uint32) uintptr { - f, err := os.Open("/etc/group") - if err != nil { - panic(todo("")) - } - - defer f.Close() - - sid := strconv.Itoa(int(gid)) - sc := bufio.NewScanner(f) - for sc.Scan() { - // eg. "root:x:0:" - a := strings.Split(sc.Text(), ":") - if len(a) < 4 { - panic(todo("")) - } - - if a[2] == sid { - closeGroup(&staticGetgrgid) - var names []string - if a[3] != "" { - names = strings.Split(a[3], ",") - } - initGroup(t, &staticGetgrgid, a[0], a[1], gid, names) - return uintptr(unsafe.Pointer(&staticGetgrgid)) - } - } - - if sc.Err() != nil { - panic(todo("")) - } - - return 0 -} - -// int getgrgid_r(gid_t gid, struct group *grp, char *buf, size_t buflen, struct group **result); -func Xgetgrgid_r(t *TLS, gid uint32, pGrp, buf uintptr, buflen types.Size_t, result uintptr) int32 { - f, err := os.Open("/etc/group") - if err != nil { - panic(todo("")) - } - - defer f.Close() - - sid := strconv.Itoa(int(gid)) - sc := bufio.NewScanner(f) - for sc.Scan() { - // eg. "root:x:0:" - a := strings.Split(sc.Text(), ":") - if len(a) < 4 { - panic(todo("")) - } - - if a[2] == sid { - var names []string - if a[3] != "" { - names = strings.Split(a[3], ",") - } - var x grp.Group - if initGroup2(buf, buflen, &x, a[0], a[1], gid, names) { - *(*grp.Group)(unsafe.Pointer(pGrp)) = x - *(*uintptr)(unsafe.Pointer(result)) = pGrp - return 0 - } - - *(*uintptr)(unsafe.Pointer(result)) = 0 - return 0 - } - } - - if sc.Err() != nil { - panic(todo("")) - } - - *(*uintptr)(unsafe.Pointer(result)) = 0 - return 0 -} - // int mkstemps(char *template, int suffixlen); func Xmkstemps(t *TLS, template uintptr, suffixlen int32) int32 { return Xmkstemps64(t, template, suffixlen) |