35 lines
906 B
C
35 lines
906 B
C
--- src/logwtmp.c.old Sat May 26 16:08:11 2001
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+++ src/logwtmp.c Sat May 26 16:15:20 2001
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@@ -46,10 +46,30 @@
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* after login, but before logout).
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*/
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void
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-logwtmp(const char *line, const char *name, const char *host)
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+ftpd_logwtmp(const char *line, const char *name, const char *host)
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{
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struct utmp ut;
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struct stat buf;
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+
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+ if (strlen(host) > UT_HOSTSIZE) {
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+ struct addrinfo hints, *res;
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+ int error;
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+ static char hostbuf[BUFSIZ];
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+
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+ memset(&hints, 0, sizeof(hints));
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+ hints.ai_family = PF_UNSPEC;
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+ error = getaddrinfo(host, NULL, &hints, &res);
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+ if (error)
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+ host = "invalid hostname";
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+ else {
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+ getnameinfo(res->ai_addr, res->ai_addrlen,
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+ hostbuf, sizeof(hostbuf), NULL, 0,
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+ NI_NUMERICHOST);
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+ host = hostbuf;
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+ if (strlen(host) > UT_HOSTSIZE)
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+ host[UT_HOSTSIZE] = '\0';
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+ }
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+ }
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if (fd < 0 && (fd = open(_PATH_WTMP, O_WRONLY|O_APPEND, 0)) < 0)
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return;
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