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Diffstat (limited to 'dependencies/pkg/mod/golang.org/x/sys@v0.1.0/unix/mksysctl_openbsd.go')
-rw-r--r--dependencies/pkg/mod/golang.org/x/sys@v0.1.0/unix/mksysctl_openbsd.go358
1 files changed, 358 insertions, 0 deletions
diff --git a/dependencies/pkg/mod/golang.org/x/sys@v0.1.0/unix/mksysctl_openbsd.go b/dependencies/pkg/mod/golang.org/x/sys@v0.1.0/unix/mksysctl_openbsd.go
new file mode 100644
index 0000000..3fde87e
--- /dev/null
+++ b/dependencies/pkg/mod/golang.org/x/sys@v0.1.0/unix/mksysctl_openbsd.go
@@ -0,0 +1,358 @@
+// Copyright 2019 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:build ignore
+// +build ignore
+
+// Parse the header files for OpenBSD and generate a Go usable sysctl MIB.
+//
+// Build a MIB with each entry being an array containing the level, type and
+// a hash that will contain additional entries if the current entry is a node.
+// We then walk this MIB and create a flattened sysctl name to OID hash.
+
+package main
+
+import (
+ "bufio"
+ "fmt"
+ "os"
+ "path/filepath"
+ "regexp"
+ "sort"
+ "strings"
+)
+
+var (
+ goos, goarch string
+)
+
+// cmdLine returns this programs's commandline arguments.
+func cmdLine() string {
+ return "go run mksysctl_openbsd.go " + strings.Join(os.Args[1:], " ")
+}
+
+// goBuildTags returns build tags in the go:build format.
+func goBuildTags() string {
+ return fmt.Sprintf("%s && %s", goarch, goos)
+}
+
+// plusBuildTags returns build tags in the +build format.
+func plusBuildTags() string {
+ return fmt.Sprintf("%s,%s", goarch, goos)
+}
+
+// reMatch performs regular expression match and stores the substring slice to value pointed by m.
+func reMatch(re *regexp.Regexp, str string, m *[]string) bool {
+ *m = re.FindStringSubmatch(str)
+ if *m != nil {
+ return true
+ }
+ return false
+}
+
+type nodeElement struct {
+ n int
+ t string
+ pE *map[string]nodeElement
+}
+
+var (
+ debugEnabled bool
+ mib map[string]nodeElement
+ node *map[string]nodeElement
+ nodeMap map[string]string
+ sysCtl []string
+)
+
+var (
+ ctlNames1RE = regexp.MustCompile(`^#define\s+(CTL_NAMES)\s+{`)
+ ctlNames2RE = regexp.MustCompile(`^#define\s+(CTL_(.*)_NAMES)\s+{`)
+ ctlNames3RE = regexp.MustCompile(`^#define\s+((.*)CTL_NAMES)\s+{`)
+ netInetRE = regexp.MustCompile(`^netinet/`)
+ netInet6RE = regexp.MustCompile(`^netinet6/`)
+ netRE = regexp.MustCompile(`^net/`)
+ bracesRE = regexp.MustCompile(`{.*}`)
+ ctlTypeRE = regexp.MustCompile(`{\s+"(\w+)",\s+(CTLTYPE_[A-Z]+)\s+}`)
+ fsNetKernRE = regexp.MustCompile(`^(fs|net|kern)_`)
+)
+
+func debug(s string) {
+ if debugEnabled {
+ fmt.Fprintln(os.Stderr, s)
+ }
+}
+
+// Walk the MIB and build a sysctl name to OID mapping.
+func buildSysctl(pNode *map[string]nodeElement, name string, oid []int) {
+ lNode := pNode // local copy of pointer to node
+ var keys []string
+ for k := range *lNode {
+ keys = append(keys, k)
+ }
+ sort.Strings(keys)
+
+ for _, key := range keys {
+ nodename := name
+ if name != "" {
+ nodename += "."
+ }
+ nodename += key
+
+ nodeoid := append(oid, (*pNode)[key].n)
+
+ if (*pNode)[key].t == `CTLTYPE_NODE` {
+ if _, ok := nodeMap[nodename]; ok {
+ lNode = &mib
+ ctlName := nodeMap[nodename]
+ for _, part := range strings.Split(ctlName, ".") {
+ lNode = ((*lNode)[part]).pE
+ }
+ } else {
+ lNode = (*pNode)[key].pE
+ }
+ buildSysctl(lNode, nodename, nodeoid)
+ } else if (*pNode)[key].t != "" {
+ oidStr := []string{}
+ for j := range nodeoid {
+ oidStr = append(oidStr, fmt.Sprintf("%d", nodeoid[j]))
+ }
+ text := "\t{ \"" + nodename + "\", []_C_int{ " + strings.Join(oidStr, ", ") + " } }, \n"
+ sysCtl = append(sysCtl, text)
+ }
+ }
+}
+
+func main() {
+ // Get the OS (using GOOS_TARGET if it exist)
+ goos = os.Getenv("GOOS_TARGET")
+ if goos == "" {
+ goos = os.Getenv("GOOS")
+ }
+ // Get the architecture (using GOARCH_TARGET if it exists)
+ goarch = os.Getenv("GOARCH_TARGET")
+ if goarch == "" {
+ goarch = os.Getenv("GOARCH")
+ }
+ // Check if GOOS and GOARCH environment variables are defined
+ if goarch == "" || goos == "" {
+ fmt.Fprintf(os.Stderr, "GOARCH or GOOS not defined in environment\n")
+ os.Exit(1)
+ }
+
+ mib = make(map[string]nodeElement)
+ headers := [...]string{
+ `sys/sysctl.h`,
+ `sys/socket.h`,
+ `sys/tty.h`,
+ `sys/malloc.h`,
+ `sys/mount.h`,
+ `sys/namei.h`,
+ `sys/sem.h`,
+ `sys/shm.h`,
+ `sys/vmmeter.h`,
+ `uvm/uvmexp.h`,
+ `uvm/uvm_param.h`,
+ `uvm/uvm_swap_encrypt.h`,
+ `ddb/db_var.h`,
+ `net/if.h`,
+ `net/if_pfsync.h`,
+ `net/pipex.h`,
+ `netinet/in.h`,
+ `netinet/icmp_var.h`,
+ `netinet/igmp_var.h`,
+ `netinet/ip_ah.h`,
+ `netinet/ip_carp.h`,
+ `netinet/ip_divert.h`,
+ `netinet/ip_esp.h`,
+ `netinet/ip_ether.h`,
+ `netinet/ip_gre.h`,
+ `netinet/ip_ipcomp.h`,
+ `netinet/ip_ipip.h`,
+ `netinet/tcp_var.h`,
+ `netinet/udp_var.h`,
+ `netinet6/in6.h`,
+ `netinet6/ip6_divert.h`,
+ `netinet/icmp6.h`,
+ `netmpls/mpls.h`,
+ }
+
+ ctls := [...]string{
+ `kern`,
+ `vm`,
+ `fs`,
+ `net`,
+ //debug /* Special handling required */
+ `hw`,
+ //machdep /* Arch specific */
+ `user`,
+ `ddb`,
+ //vfs /* Special handling required */
+ `fs.posix`,
+ `kern.forkstat`,
+ `kern.intrcnt`,
+ `kern.malloc`,
+ `kern.nchstats`,
+ `kern.seminfo`,
+ `kern.shminfo`,
+ `kern.timecounter`,
+ `kern.tty`,
+ `kern.watchdog`,
+ `net.bpf`,
+ `net.ifq`,
+ `net.inet`,
+ `net.inet.ah`,
+ `net.inet.carp`,
+ `net.inet.divert`,
+ `net.inet.esp`,
+ `net.inet.etherip`,
+ `net.inet.gre`,
+ `net.inet.icmp`,
+ `net.inet.igmp`,
+ `net.inet.ip`,
+ `net.inet.ip.ifq`,
+ `net.inet.ipcomp`,
+ `net.inet.ipip`,
+ `net.inet.mobileip`,
+ `net.inet.pfsync`,
+ `net.inet.tcp`,
+ `net.inet.udp`,
+ `net.inet6`,
+ `net.inet6.divert`,
+ `net.inet6.ip6`,
+ `net.inet6.icmp6`,
+ `net.inet6.tcp6`,
+ `net.inet6.udp6`,
+ `net.mpls`,
+ `net.mpls.ifq`,
+ `net.key`,
+ `net.pflow`,
+ `net.pfsync`,
+ `net.pipex`,
+ `net.rt`,
+ `vm.swapencrypt`,
+ //vfsgenctl /* Special handling required */
+ }
+
+ // Node name "fixups"
+ ctlMap := map[string]string{
+ "ipproto": "net.inet",
+ "net.inet.ipproto": "net.inet",
+ "net.inet6.ipv6proto": "net.inet6",
+ "net.inet6.ipv6": "net.inet6.ip6",
+ "net.inet.icmpv6": "net.inet6.icmp6",
+ "net.inet6.divert6": "net.inet6.divert",
+ "net.inet6.tcp6": "net.inet.tcp",
+ "net.inet6.udp6": "net.inet.udp",
+ "mpls": "net.mpls",
+ "swpenc": "vm.swapencrypt",
+ }
+
+ // Node mappings
+ nodeMap = map[string]string{
+ "net.inet.ip.ifq": "net.ifq",
+ "net.inet.pfsync": "net.pfsync",
+ "net.mpls.ifq": "net.ifq",
+ }
+
+ mCtls := make(map[string]bool)
+ for _, ctl := range ctls {
+ mCtls[ctl] = true
+ }
+
+ for _, header := range headers {
+ debug("Processing " + header)
+ file, err := os.Open(filepath.Join("/usr/include", header))
+ if err != nil {
+ fmt.Fprintf(os.Stderr, "%v\n", err)
+ os.Exit(1)
+ }
+ s := bufio.NewScanner(file)
+ for s.Scan() {
+ var sub []string
+ if reMatch(ctlNames1RE, s.Text(), &sub) ||
+ reMatch(ctlNames2RE, s.Text(), &sub) ||
+ reMatch(ctlNames3RE, s.Text(), &sub) {
+ if sub[1] == `CTL_NAMES` {
+ // Top level.
+ node = &mib
+ } else {
+ // Node.
+ nodename := strings.ToLower(sub[2])
+ ctlName := ""
+ if reMatch(netInetRE, header, &sub) {
+ ctlName = "net.inet." + nodename
+ } else if reMatch(netInet6RE, header, &sub) {
+ ctlName = "net.inet6." + nodename
+ } else if reMatch(netRE, header, &sub) {
+ ctlName = "net." + nodename
+ } else {
+ ctlName = nodename
+ ctlName = fsNetKernRE.ReplaceAllString(ctlName, `$1.`)
+ }
+
+ if val, ok := ctlMap[ctlName]; ok {
+ ctlName = val
+ }
+ if _, ok := mCtls[ctlName]; !ok {
+ debug("Ignoring " + ctlName + "...")
+ continue
+ }
+
+ // Walk down from the top of the MIB.
+ node = &mib
+ for _, part := range strings.Split(ctlName, ".") {
+ if _, ok := (*node)[part]; !ok {
+ debug("Missing node " + part)
+ (*node)[part] = nodeElement{n: 0, t: "", pE: &map[string]nodeElement{}}
+ }
+ node = (*node)[part].pE
+ }
+ }
+
+ // Populate current node with entries.
+ i := -1
+ for !strings.HasPrefix(s.Text(), "}") {
+ s.Scan()
+ if reMatch(bracesRE, s.Text(), &sub) {
+ i++
+ }
+ if !reMatch(ctlTypeRE, s.Text(), &sub) {
+ continue
+ }
+ (*node)[sub[1]] = nodeElement{n: i, t: sub[2], pE: &map[string]nodeElement{}}
+ }
+ }
+ }
+ err = s.Err()
+ if err != nil {
+ fmt.Fprintf(os.Stderr, "%v\n", err)
+ os.Exit(1)
+ }
+ file.Close()
+ }
+ buildSysctl(&mib, "", []int{})
+
+ sort.Strings(sysCtl)
+ text := strings.Join(sysCtl, "")
+
+ fmt.Printf(srcTemplate, cmdLine(), goBuildTags(), plusBuildTags(), text)
+}
+
+const srcTemplate = `// %s
+// Code generated by the command above; DO NOT EDIT.
+
+//go:build %s
+// +build %s
+
+package unix
+
+type mibentry struct {
+ ctlname string
+ ctloid []_C_int
+}
+
+var sysctlMib = []mibentry {
+%s
+}
+`
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-13 17:51:42 +0000