diff options
| author | cinap_lenrek <cinap_lenrek@felloff.net> | 2022-12-23 14:58:39 +0000 |
|---|---|---|
| committer | cinap_lenrek <cinap_lenrek@felloff.net> | 2022-12-23 14:58:39 +0000 |
| commit | 56768a36df13d7703c5fce283fff2dbb5c0094da (patch) | |
| tree | 852cd80b271527a3d8b458abb3cb27d37067d6e3 /sys/src/cmd/auth | |
| parent | 8dec598474aacb3e9016a79eea43796842ae4af5 (diff) | |
auth/factotum: access /proc instead of #p for private()
Diffstat (limited to 'sys/src/cmd/auth')
| -rw-r--r-- | sys/src/cmd/auth/factotum/fs.c | 11 | ||||
| -rw-r--r-- | sys/src/cmd/auth/lib/private.c | 11 |
2 files changed, 10 insertions, 12 deletions
diff --git a/sys/src/cmd/auth/factotum/fs.c b/sys/src/cmd/auth/factotum/fs.c index 3756f9a31..552b504de 100644 --- a/sys/src/cmd/auth/factotum/fs.c +++ b/sys/src/cmd/auth/factotum/fs.c @@ -179,18 +179,17 @@ main(int argc, char **argv) exits(nil); } -char *pmsg = "Warning! %s can't protect itself from debugging: %r\n"; -char *smsg = "Warning! %s can't turn off swapping: %r\n"; - /* don't allow other processes to debug us and steal keys */ static void private(void) { int fd; - char buf[64]; + char buf[32]; + static char pmsg[] = "Warning! %s can't protect itself from debugging: %r\n"; + static char smsg[] = "Warning! %s can't turn off swapping: %r\n"; - snprint(buf, sizeof(buf), "#p/%d/ctl", getpid()); - fd = open(buf, OWRITE); + snprint(buf, sizeof(buf), "/proc/%d/ctl", getpid()); + fd = open(buf, OWRITE|OCEXEC); if(fd < 0){ fprint(2, pmsg, argv0); return; diff --git a/sys/src/cmd/auth/lib/private.c b/sys/src/cmd/auth/lib/private.c index 392842c0d..43397ad69 100644 --- a/sys/src/cmd/auth/lib/private.c +++ b/sys/src/cmd/auth/lib/private.c @@ -4,18 +4,17 @@ #include <authsrv.h> #include "authcmdlib.h" -static char *pmsg = "Warning! %s can't protect itself from debugging: %r\n"; -static char *smsg = "Warning! %s can't turn off swapping: %r\n"; - /* don't allow other processes to debug us and steal keys */ void private(void) { int fd; - char buf[64]; + char buf[32]; + static char pmsg[] = "Warning! %s can't protect itself from debugging: %r\n"; + static char smsg[] = "Warning! %s can't turn off swapping: %r\n"; - snprint(buf, sizeof(buf), "#p/%d/ctl", getpid()); - fd = open(buf, OWRITE); + snprint(buf, sizeof(buf), "/proc/%d/ctl", getpid()); + fd = open(buf, OWRITE|OCEXEC); if(fd < 0){ fprint(2, pmsg, argv0); return; |