$OpenBSD: patch-base_base_paths_posix_cc,v 1.12 2019/05/27 16:11:17 robert Exp $

Index: base/base_paths_posix.cc
--- base/base_paths_posix.cc.orig
+++ base/base_paths_posix.cc
@@ -24,9 +24,12 @@
 #include "base/process/process_metrics.h"
 #include "build/build_config.h"
 
-#if defined(OS_FREEBSD)
+#if defined(OS_BSD)
 #include <sys/param.h>
 #include <sys/sysctl.h>
+#if defined(OS_OPENBSD)
+#include <kvm.h>
+#endif
 #elif defined(OS_SOLARIS) || defined(OS_AIX)
 #include <stdlib.h>
 #endif
@@ -67,13 +70,67 @@ bool PathProviderPosix(int key, FilePath* result) {
       *result = FilePath(bin_dir);
       return true;
 #elif defined(OS_OPENBSD) || defined(OS_AIX)
-      // There is currently no way to get the executable path on OpenBSD
       char* cpath;
-      if ((cpath = getenv("CHROME_EXE_PATH")) != NULL)
-        *result = FilePath(cpath);
-      else
-        *result = FilePath("/usr/local/chrome/chrome");
-      return true;
+#if !defined(OS_AIX)
+      struct kinfo_file *files;
+      kvm_t *kd = NULL;
+      char errbuf[_POSIX2_LINE_MAX];
+      char **retvalargs = nullptr;
+      static char retval[PATH_MAX];
+      int cnt;
+      size_t len;
+      struct stat sb;
+      pid_t cpid = getpid();
+      bool ret = false;
+      const int mib[] = { CTL_KERN, KERN_PROC_ARGS, cpid, KERN_PROC_ARGV };
+
+      if (sysctl(mib, 4, NULL, &len, NULL, 0) != -1) {
+        if ((retvalargs = (char **)malloc(len)) == NULL)
+          goto out;
+
+        if (sysctl(mib, 4, retvalargs, &len, NULL, 0) < 0)
+          goto out;
+
+        if (realpath(retvalargs[0], retval) == NULL)
+          goto out;
+
+        if (stat(retval, &sb) < 0)
+          goto out;
+ 
+        if ((kd = kvm_openfiles(NULL, NULL, NULL, KVM_NO_FILES, errbuf)) == NULL)
+          goto out;
+
+        if ((files = kvm_getfiles(kd, KERN_FILE_BYPID, cpid,
+                                  sizeof(struct kinfo_file), &cnt)) == NULL)
+          goto out;
+
+        for (int i = 0; i < cnt; i++) {
+          if (files[i].fd_fd == KERN_FILE_TEXT &&
+              files[i].va_fsid == static_cast<uint32_t>(sb.st_dev) &&
+              files[i].va_fileid == sb.st_ino) {
+            ret = true;
+            LOG(ERROR) << retval;
+            *result = FilePath(retval);
+          }
+ }
+      }
+out:
+      if (retvalargs)
+        free(retvalargs);
+      if (kd)
+        kvm_close(kd);
+      LOG(ERROR) << ret; 
+      if (!ret) {
+#endif
+        if ((cpath = getenv("IRIDIUM_EXE_PATH")) != NULL)
+          *result = FilePath(cpath);
+        else
+          *result = FilePath("/usr/local/iridium/iridium");
+        return true;
+#if !defined(OS_AIX)
+      }
+      return ret;
+#endif
 #endif
     }
     case DIR_SOURCE_ROOT: {
