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fix off-by-one in pass_env_to_socket()

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This commit is contained in:
Alan Jenkins
2008-09-09 00:48:17 +02:00
committed by Kay Sievers
parent ab7ab02556
commit 9d7e1b3fdd
1 changed files with 3 additions and 3 deletions
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6
udev/udev_rules.c
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@@ -486,10 +486,10 @@ static int pass_env_to_socket(struct udev *udev, const char *sockpath, const cha
saddrlen = offsetof(struct sockaddr_un, sun_path) + 1 + strlen(&saddr.sun_path[1]);
}
bufpos = snprintf(buf, sizeof(buf)-1, "%s@%s", action, devpath);
bufpos = snprintf(buf, sizeof(buf), "%s@%s", action, devpath);
bufpos++;
for (i = 0; environ[i] != NULL && bufpos < (sizeof(buf)-1); i++) {
bufpos += strlcpy(&buf[bufpos], environ[i], sizeof(buf) - bufpos-1);
for (i = 0; environ[i] != NULL && bufpos < (sizeof(buf)); i++) {
bufpos += strlcpy(&buf[bufpos], environ[i], sizeof(buf) - bufpos);
bufpos++;
}
if (bufpos > sizeof(buf))