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mount proc and sys recursively

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MaxHearnden 2023-11-28 03:12:50 +00:00
parent 7c320a5b75
commit c487ab80c2
1 changed files with 3 additions and 2 deletions
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5
sysa/wrap.c
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@ -1,6 +1,7 @@
#define CLONE_NEWUSER 0x10000000 #define CLONE_NEWUSER 0x10000000
#define CLONE_NEWNS 0x00020000 #define CLONE_NEWNS 0x00020000
#define MS_BIND 4096 #define MS_BIND 4096
#define MS_REC 16384
#define MNT_DETACH 0x00000002 #define MNT_DETACH 0x00000002
#define _GNU_SOURCE #define _GNU_SOURCE
@ -217,9 +218,9 @@ int main(int argc, char **argv) {
mkdir ("dev/shm", 0755); mkdir ("dev/shm", 0755);
mount ("tmpfs", "dev/shm", "tmpfs", 0, NULL); mount ("tmpfs", "dev/shm", "tmpfs", 0, NULL);
mkdir ("proc", 0755); mkdir ("proc", 0755);
mount ("proc", "proc", "proc", 0, NULL); mount ("/proc", "proc", "", MS_BIND | MS_REC, NULL);
mkdir ("sys", 0755); mkdir ("sys", 0755);
mount ("/sys", "sys", "", MS_BIND, NULL); mount ("/sys", "sys", "", MS_BIND | MS_REC, NULL);
mkdir ("tmp", 0755); mkdir ("tmp", 0755);
mount ("tmpfs", "tmp", "tmpfs", 0, NULL); mount ("tmpfs", "tmp", "tmpfs", 0, NULL);
chroot ("."); chroot (".");