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| author | Karel Zak | 2018-10-03 17:08:11 +0200 |
|---|---|---|
| committer | Karel Zak | 2018-10-03 17:10:44 +0200 |
| commit | c0c4feec88a5fc78c527e2cda440231101938be9 (patch) | |
| tree | ddb624f89b428750dca2549f3c9c5998a66cc3fb /term-utils | |
| parent | su: cleanup code to copy to log strings (diff) | |
| download | kernel-qcow2-util-linux-c0c4feec88a5fc78c527e2cda440231101938be9.tar.gz kernel-qcow2-util-linux-c0c4feec88a5fc78c527e2cda440231101938be9.tar.xz kernel-qcow2-util-linux-c0c4feec88a5fc78c527e2cda440231101938be9.zip | |
agetty: cleanup code to copy to log strings
man utmp:
String fields are terminated by a null byte ('\0') if they are shorter
than the size of the field.
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'term-utils')
| -rw-r--r-- | term-utils/agetty.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/term-utils/agetty.c b/term-utils/agetty.c index e22600e28..97dc45bd3 100644 --- a/term-utils/agetty.c +++ b/term-utils/agetty.c @@ -957,7 +957,7 @@ static void update_utmp(struct options *op) memset(&ut, 0, sizeof(ut)); if (vcline && *vcline) /* Standard virtual console devices */ - strncpy(ut.ut_id, vcline, sizeof(ut.ut_id)); + str2memcpy(ut.ut_id, vcline, sizeof(ut.ut_id)); else { size_t len = strlen(line); char * ptr; @@ -965,14 +965,14 @@ static void update_utmp(struct options *op) ptr = line + len - sizeof(ut.ut_id); else ptr = line; - strncpy(ut.ut_id, ptr, sizeof(ut.ut_id)); + str2memcpy(ut.ut_id, ptr, sizeof(ut.ut_id)); } } - strncpy(ut.ut_user, "LOGIN", sizeof(ut.ut_user)); - strncpy(ut.ut_line, line, sizeof(ut.ut_line)); + str2memcpy(ut.ut_user, "LOGIN", sizeof(ut.ut_user)); + str2memcpy(ut.ut_line, line, sizeof(ut.ut_line)); if (fakehost) - strncpy(ut.ut_host, fakehost, sizeof(ut.ut_host)); + str2memcpy(ut.ut_host, fakehost, sizeof(ut.ut_host)); time(&t); ut.ut_tv.tv_sec = t; ut.ut_type = LOGIN_PROCESS; |