diff options
Diffstat (limited to 'src/util.c')
| -rw-r--r-- | src/util.c | 51 |
1 files changed, 48 insertions, 3 deletions
diff --git a/src/util.c b/src/util.c index 36c8938c2f..33b6fd4809 100644 --- a/src/util.c +++ b/src/util.c @@ -4384,7 +4384,7 @@ int detect_vm(const char **id) { if (hypervisor) { if (id) - *id = "other"; + *id = "other-vm"; return 1; } @@ -4421,7 +4421,51 @@ int detect_container(const char **id) { return 1; } - if ((f = fopen("/proc/self/cgroup", "re"))) { + f = fopen("/proc/1/environ", "re"); + if (f) { + bool done = false; + + do { + char line[LINE_MAX]; + unsigned i; + + for (i = 0; i < sizeof(line)-1; i++) { + int c; + + c = getc(f); + if (_unlikely_(c == EOF)) { + done = true; + break; + } else if (c == 0) + break; + + line[i] = c; + } + line[i] = 0; + + if (streq(line, "container=lxc")) { + fclose(f); + *id = "lxc"; + return 1; + + } else if (streq(line, "container=systemd-nspawn")) { + fclose(f); + *id = "systemd-nspawn"; + return 1; + + } else if (startswith(line, "container=")) { + fclose(f); + *id = "other-container"; + return 1; + } + + } while (!done); + + fclose(f); + } + + f = fopen("/proc/self/cgroup", "re"); + if (f) { for (;;) { char line[LINE_MAX], *p; @@ -4429,7 +4473,8 @@ int detect_container(const char **id) { if (!fgets(line, sizeof(line), f)) break; - if (!(p = strchr(strstrip(line), ':'))) + p = strchr(strstrip(line), ':'); + if (!p) continue; if (strncmp(p, ":ns:", 4)) |