#include <unistd.h>
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#include <fcntl.h>
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#include <string.h>
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#include "selinux_internal.h"
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#include "context_internal.h"
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int setexecfilecon(const char *filename, const char *fallback_type)
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{
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char * mycon = NULL, *fcon = NULL, *newcon = NULL;
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context_t con = NULL;
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int rc = 0;
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if (is_selinux_enabled() < 1)
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return 0;
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rc = getcon(&mycon);
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if (rc < 0)
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goto out;
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rc = getfilecon(filename, &fcon);
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if (rc < 0)
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goto out;
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rc = security_compute_create(mycon, fcon, string_to_security_class("process"), &newcon);
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if (rc < 0)
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goto out;
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if (!strcmp(mycon, newcon)) {
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/* No default transition, use fallback_type for now. */
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rc = -1;
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con = context_new(mycon);
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if (!con)
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goto out;
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if (context_type_set(con, fallback_type))
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goto out;
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freecon(newcon);
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newcon = strdup(context_str(con));
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if (!newcon)
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goto out;
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rc = 0;
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}
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rc = setexeccon(newcon);
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if (rc < 0)
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goto out;
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out:
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if (rc < 0 && security_getenforce() == 0)
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rc = 0;
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context_free(con);
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freecon(newcon);
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freecon(fcon);
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freecon(mycon);
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return rc < 0 ? rc : 0;
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}
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#ifndef DISABLE_RPM
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int rpm_execcon(unsigned int verified __attribute__ ((unused)),
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const char *filename, char *const argv[], char *const envp[])
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{
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int rc;
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rc = setexecfilecon(filename, "rpm_script_t");
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if (rc < 0)
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return rc;
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return execve(filename, argv, envp);
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}
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#endif
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