src/usr.bin/chpass/chpass.c - diff

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Diff for /src/usr.bin/chpass/chpass.c between version 1.23 and 1.24

version 1.23, 2002/06/27 19:02:40

version 1.24, 2002/06/27 19:16:50

Line 68

#include "chpass.h"

#include "pathnames.h"

char tempname[] = __CONCAT(_PATH_VARTMP,"pw.XXXXXXXX");

enum { NEWSH, LOADENTRY, EDITENTRY } op;

uid_t uid;

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#endif

void baduser(void);

void tempcleanup(void);

void kbintr(int);

void usage(void);

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/* Edit the user passwd information if requested. */

if (op == EDITENTRY) {

char tempname[] = __CONCAT(_PATH_VARTMP,"pw.XXXXXXXX");

dfd = mkstemp(tempname);

if (dfd == -1 || fcntl(dfd, F_SETFD, 1) == -1)

pw_error(tempname, 1, 1);

atexit(tempcleanup);

display(tempname, dfd, pw);

edit(tempname, pw);

close(dfd);

unlink(tempname);

}

/* Drop user's real uid and block all signals to avoid a DoS. */

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}

void

tempcleanup(void)

{

unlink(tempname);

}

void

kbintr(int signo)

{

struct iovec iv[5];

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iv[4].iov_base = " unchanged\n";

iv[4].iov_len = 11;

writev(STDERR_FILENO, iv, 5);

if (op == EDITENTRY)

unlink(tempname);

_exit(1);

}