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Uppity: configurable SSH-2 authentication banner.

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I've had to test banner handling several times recently, what with
trust sigils and the fix for CONF_ssh_show_banner. So it's the thing
I've most wanted to keep reconfiguring about Uppity so far.
This commit is contained in:
Simon Tatham
2019-03-28 18:36:45 +00:00
parent 8a884eaef9
commit e566972f00
3 changed files with 25 additions and 1 deletions
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17
unix/uxserver.c
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@ -510,6 +510,23 @@ int main(int argc, char **argv)
"(%s)\n", appname, val, key_type_to_str(keytype));
exit(1);
}
} else if (longoptarg(arg, "--bannerfile", &val, &argc, &argv)) {
FILE *fp = fopen(val, "r");
if (!fp) {
fprintf(stderr, "%s: %s: open: %s\n", appname,
val, strerror(errno));
exit(1);
}
strbuf *sb = strbuf_new();
if (!read_file_into(BinarySink_UPCAST(sb), fp)) {
fprintf(stderr, "%s: %s: read: %s\n", appname,
val, strerror(errno));
exit(1);
}
fclose(fp);
ssc.banner = ptrlen_from_strbuf(sb);
} else if (longoptarg(arg, "--bannertext", &val, &argc, &argv)) {
ssc.banner = ptrlen_from_asciz(val);
} else if (longoptarg(arg, "--sshlog", &val, &argc, &argv) ||
longoptarg(arg, "-sshlog", &val, &argc, &argv)) {
Filename *logfile = filename_from_str(val);