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cred: setting and getting ids

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Matheus
2024-08-16 20:02:12 -03:00
parent 8045dd3de6
commit da9c40b054
13 changed files with 256 additions and 63 deletions
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kernel-src/sys/syscalls/getresgid.c
+29
View File
@@ -0,0 +1,29 @@
#include <kernel/abi.h>
#include <kernel/syscalls.h>
#include <kernel/cred.h>
syscallret_t syscall_getresgid(context_t *, gid_t *gidp, gid_t *egidp, gid_t *sgidp) {
syscallret_t ret = {
.ret = -1
};
int gid, egid, sgid;
cred_getgids(&_cpu()->thread->proc->cred, &gid, &egid, &sgid);
ret.errno = usercopy_touser(gidp, &gid, sizeof(gid));
if (ret.errno)
goto leave;
ret.errno = usercopy_touser(egidp, &egid, sizeof(egid));
if (ret.errno)
goto leave;
ret.errno = usercopy_touser(sgidp, &sgid, sizeof(sgid));
if (ret.errno)
goto leave;
ret.ret = 0;
leave:
return ret;
}