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48ac028bab
Patch for utmp ut_host. GNU finger uses ut_host information in utmp. From src/usr.bin/login/login.c CVS log, after 2.2 source tree, login.c write numerical address to ut_host. (1.12 comment of login.c) So this patch is to translate numerical address to hostname. Special Thanks to Tung-Hui Hu <hhui@arcfour.com>. Submitted by: sanpei@yy.cs.keio.ac.jp (Closing part of #PR 2360.)
52 lines
1.4 KiB
Plaintext
52 lines
1.4 KiB
Plaintext
Patch for utmp ut_host.
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GNU finger uses ut_host information in utmp.
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From src/usr.bin/login/login.c CVS log, after 2.2 source tree,
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login.c write numerical address to ut_host.
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(1.12 comment of login.c)
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So this patch is to translate numerical address to hostname.
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Special Thanks to Tung-Hui Hu <hhui@arcfour.com>.
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--- lib/os.c.orig Mon Dec 30 00:54:57 1996
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+++ lib/os.c Mon Dec 30 10:51:30 1996
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@@ -26,6 +26,8 @@
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#include <sys/acct.h>
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#include <time.h>
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#include <packet.h>
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+#include <sys/socket.h>
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+#include <netdb.h>
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#ifdef HAVE_UTMPX_H
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#include <utmpx.h>
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@@ -489,6 +491,7 @@
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UTMP **result;
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int result_size = 0;
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+ struct hostent *hp; u_long l;
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#ifndef HAVE_GETUTENT
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file = open (UTMP_FILE, O_RDONLY);
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@@ -533,6 +536,19 @@
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continue;
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#endif /* sun */
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+#ifdef __FreeBSD__
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+ if (UT(entry, ut_host)[0]) {
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+ if (isdigit(UT(entry, ut_host)[0]) &&
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+ (long)(l = inet_addr(UT(entry, ut_host))) != -1 &&
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+ (hp = gethostbyaddr((char *)&l, sizeof(l), AF_INET))) {
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+ if (hp->h_name) {
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+ strncpy(UT(entry, ut_host), hp->h_name, UT_HOSTSIZE);
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+ UT(entry, ut_host)[UT_HOSTSIZE - 1] = '\0';
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+ } /* valid hostname */
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+ } /* IP addr */
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+ } /* UTMP */
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+#endif
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+
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for (i = 0; result[i]; i++)
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{
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/* If the same person is logged in more than once, we are
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