From be8b315d1522fa1c109a49435c1638bafd838b91 Mon Sep 17 00:00:00 2001 From: rsc Date: Thu, 17 Jun 2004 03:27:35 +0000 Subject: basically none of these build --- src/libauth/auth_chuid.c | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 src/libauth/auth_chuid.c (limited to 'src/libauth/auth_chuid.c') diff --git a/src/libauth/auth_chuid.c b/src/libauth/auth_chuid.c new file mode 100644 index 00000000..1bfbfff9 --- /dev/null +++ b/src/libauth/auth_chuid.c @@ -0,0 +1,38 @@ +#include +#include +#include + +/* + * become the authenticated user + */ +int +auth_chuid(AuthInfo *ai, char *ns) +{ + int rv, fd; + + if(ai == nil || ai->cap == nil){ + werrstr("no capability"); + return -1; + } + + /* change uid */ + fd = open("#¤/capuse", OWRITE); + if(fd < 0){ + werrstr("opening #¤/capuse: %r"); + return -1; + } + rv = write(fd, ai->cap, strlen(ai->cap)); + close(fd); + if(rv < 0){ + werrstr("writing %s to #¤/capuse: %r", ai->cap); + return -1; + } + + /* get a link to factotum as new user */ + fd = open("/srv/factotum", ORDWR); + if(fd >= 0) + mount(fd, -1, "/mnt", MREPL, ""); + + /* set up new namespace */ + return newns(ai->cuid, ns); +} -- cgit v1.2.3