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3f08af39e0
which officially fixes the setuid security exploit by the vendors.
Additionally, from the PR:
* adds in distribution patches to allow it to interoperate
with libtiff-3.5.5 (the current version in the ports tree),
and replace an original FreeBSD patch.
* includes security patches (replacements of 'strcpy' and
'sprintf', primarily), mostly based on patches originally
submitted by Alex Langer [1] for 4.0pl2 and not yet commited,
although some new work was done too.
[1] I don't think, that these were my patches but those submitted by
John Holland <john@zoner.org> in PR 19180.
* Fixes some issues with the configure/setup scripts introduced
since the previous version.
* Additionally, original FreeBSD patches from 4.0pl2 were
merged in where they were not addressed by anything else.
(except the I18N patch, sorry).
I removed the FORBIDDEN line since there are at least no obvious security
concerns left.
PR: 19237
Submitted by: Andy Sparrow <andy@geek4food.org>
70 lines
1.8 KiB
Plaintext
70 lines
1.8 KiB
Plaintext
diff -ruN port/syslog.c.orig port/syslog.c
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--- port/syslog.c.orig Mon Oct 12 13:47:50 1998
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+++ port/syslog.c Mon Jun 12 21:52:41 2000
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@@ -88,7 +88,7 @@
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register int cnt;
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register char *p;
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time_t now, time();
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- int fd, saved_errno;
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+ int fd, saved_errno, n;
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char tbuf[2048], fmt_cpy[1024], *stdp, *ctime();
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/* check for invalid bits or no priority set */
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@@ -104,21 +104,21 @@
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/* build the message */
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(void)time(&now);
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- (void)sprintf(tbuf, "<%d>%.15s ", pri, ctime(&now) + 4);
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- for (p = tbuf; *p; ++p);
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+ (void)snprintf(tbuf, sizeof(tbuf), "<%d>%.15s ", pri, ctime(&now) + 4);
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+ for (p = tbuf; *p; ++p, n++);
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if (LogStat & LOG_PERROR)
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stdp = p;
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if (LogTag) {
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- (void)strcpy(p, LogTag);
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+ (void)strlcpy(p, LogTag, sizeof(tbuf) - n);
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for (; *p; ++p);
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}
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if (LogStat & LOG_PID) {
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- (void)sprintf(p, "[%d]", getpid());
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+ (void)snprintf(p, sizeof(tbuf) - n, "[%d]", getpid());
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for (; *p; ++p);
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}
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if (LogTag) {
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- *p++ = ':';
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- *p++ = ' ';
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+ *p++ = ':'; n++;
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+ *p++ = ' '; n++;
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}
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/* substitute error message for %m */
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@@ -137,7 +137,7 @@
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*t1 = '\0';
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}
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- (void)vsprintf(p, fmt_cpy, ap);
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+ (void)vsnprintf(p, sizeof(tbuf) - n, fmt_cpy, ap);
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cnt = strlen(tbuf);
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@@ -170,7 +170,7 @@
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* is the one from the syslogd failure.
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*/
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if ((fd = open(_PATH_CONSOLE, O_WRONLY, 0)) >= 0) {
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- (void)strcat(tbuf, "\r\n");
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+ (void)strlcat(tbuf, "\r\n", sizeof(tbuf));
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cnt += 2;
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p = index(tbuf, '>') + 1;
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(void)write(fd, p, cnt - (p - tbuf));
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diff -ruN port/vsyslog.c.orig port/vsyslog.c
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--- port/vsyslog.c.orig Mon Oct 12 13:47:50 1998
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+++ port/vsyslog.c Mon Jun 12 21:52:41 2000
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@@ -49,6 +49,6 @@
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*cp++ = c;
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*cp = '\0';
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}
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- (void) vsprintf(tbuf, fmt_cpy, ap);
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+ (void) vnsprintf(tbuf, sizeof(tbuf), fmt_cpy, ap);
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(void) syslog(pri, "%s", tbuf);
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}
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