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20 lines
428 B
20 lines
428 B
#define _GNU_SOURCE
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#include <stdlib.h>
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#include <dlfcn.h>
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#include <string.h>
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#include <sys/types.h>
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#include <pwd.h>
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int getlogin_r(char *buf, size_t bufsize) {
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strncpy(buf, getenv("USER"), bufsize);
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return 0;
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}
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struct passwd *getpwuid(uid_t uid) {
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struct passwd *(*getpwuid)(uid_t) = dlsym(RTLD_NEXT, "getpwuid");
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struct passwd *pass = getpwuid(uid);
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pass->pw_name = getenv("USER");
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return pass;
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}
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