diff options
| author | Michael Morony <michael.morony@gmail.com> | 2007-08-24 08:14:21 +0200 |
|---|---|---|
| committer | Kay Sievers <kay.sievers@vrfy.org> | 2007-08-24 08:14:21 +0200 |
| commit | 1f7a36f2c0953c60a8d7acadc281285a0b84fb46 (patch) | |
| tree | b36910854ba772c399da4ef6624443b5eba0b9fc /udev_rules.c | |
| parent | 7e599863919a62b0a072b5ca7a0037527d54d335 (diff) | |
set buffer size if strlcpy/strlcat indicate truncation
Diffstat (limited to 'udev_rules.c')
| -rw-r--r-- | udev_rules.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/udev_rules.c b/udev_rules.c index 0dcbf156ea..35db958c8d 100644 --- a/udev_rules.c +++ b/udev_rules.c @@ -475,10 +475,12 @@ static int pass_env_to_socket(const char *sockname, const char *devpath, const c bufpos = snprintf(buf, sizeof(buf)-1, "%s@%s", action, devpath); bufpos++; - for (i = 0; environ[i] != NULL && bufpos < sizeof(buf); i++) { + for (i = 0; environ[i] != NULL && bufpos < (sizeof(buf)-1); i++) { bufpos += strlcpy(&buf[bufpos], environ[i], sizeof(buf) - bufpos-1); bufpos++; } + if (bufpos > sizeof(buf)) + bufpos = sizeof(buf); count = sendto(sock, &buf, bufpos, 0, (struct sockaddr *)&saddr, addrlen); if (count < 0) |