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Matheus
31 lines
618 B
C
31 lines
618 B
C
#include <kernel/abi.h>
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#include <kernel/syscalls.h>
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#include <kernel/cred.h>
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#include <arch/cpu.h>
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syscallret_t syscall_getresuid(context_t *, uid_t *uidp, uid_t *euidp, uid_t *suidp) {
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syscallret_t ret = {
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.ret = -1
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};
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int uid, euid, suid;
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cred_getuids(¤t_thread()->proc->cred, &uid, &euid, &suid);
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ret.errno = usercopy_touser(uidp, &uid, sizeof(uid));
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if (ret.errno)
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goto leave;
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ret.errno = usercopy_touser(euidp, &euid, sizeof(euid));
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if (ret.errno)
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goto leave;
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ret.errno = usercopy_touser(suidp, &suid, sizeof(suid));
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if (ret.errno)
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goto leave;
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ret.ret = 0;
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leave:
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return ret;
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}
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