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Add trivial dirty word check to the sample output logging function.

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This commit is contained in:
Todd C. Miller
2014-08-26 12:04:25 -06:00
parent f0af3bb6b2
commit 136e6e616f
1 changed files with 16 additions and 2 deletions
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18
plugins/sample/sample_plugin.c
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@@ -226,7 +226,7 @@ build_command_info(const char *command)
asprintf(&command_info[i++], "runas_uid=%ld", (long)runas_uid) == -1) {
return NULL;
}
if (runas_gid != -1) {
if (runas_gid != (gid_t)-1) {
if (asprintf(&command_info[i++], "runas_gid=%ld", (long)runas_gid) == -1 ||
asprintf(&command_info[i++], "runas_egid=%ld", (long)runas_gid) == -1) {
return NULL;
@@ -456,8 +456,22 @@ io_log_input(const char *buf, unsigned int len)
static int
io_log_output(const char *buf, unsigned int len)
{
const char *cp, *ep;
bool rval = true;
ignore_result(fwrite(buf, len, 1, output));
return true;
/*
* If we find the string "honk!" in the buffer, reject it.
* In practice we'd want to be able to detect the word
* broken across two buffers.
*/
for (cp = buf, ep = buf + len; cp < ep; cp++) {
if (cp + 5 < ep && memcmp(cp, "honk!", 5) == 0) {
rval = false;
break;
}
}
return rval;
}
struct policy_plugin sample_policy = {