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| author | tjr <tjr@FreeBSD.org> | 2003-02-23 07:37:47 +0000 |
|---|---|---|
| committer | tjr <tjr@FreeBSD.org> | 2003-02-23 07:37:47 +0000 |
| commit | 1efdc354264822c8805c1d43784c93ba28fc14f0 (patch) | |
| tree | fbeeb3e7c9094766c3376987ba0be6c26eaf7e13 /sbin/gbde/gbde.c | |
| parent | 9da403e48c25f4100a1febdffa6b0aa4c372c7fa (diff) | |
| download | FreeBSD-src-1efdc354264822c8805c1d43784c93ba28fc14f0.zip FreeBSD-src-1efdc354264822c8805c1d43784c93ba28fc14f0.tar.gz | |
Fix two unsafe uses of sprintf().
Diffstat (limited to 'sbin/gbde/gbde.c')
| -rw-r--r-- | sbin/gbde/gbde.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/sbin/gbde/gbde.c b/sbin/gbde/gbde.c index 5fbab19..4e6dd26 100644 --- a/sbin/gbde/gbde.c +++ b/sbin/gbde/gbde.c @@ -491,7 +491,9 @@ cmd_init(struct g_bde_key *gl, int dfd, const char *f_opt, int i_opt, const char p = getenv("EDITOR"); if (p == NULL) p = "vi"; - sprintf(cbuf, "%s %s\n", p, q); + if (snprintf(cbuf, sizeof(cbuf), "%s %s\n", p, q) >= + (ssize_t)sizeof(cbuf)) + errx(1, "EDITOR is too long"); system(cbuf); } i = open(q, O_RDONLY); @@ -749,8 +751,11 @@ main(int argc, char **argv) if (doopen) { dfd = open(dest, O_RDWR | O_CREAT, 0644); if (dfd < 0) { - sprintf(buf, "%s%s", _PATH_DEV, dest); - dfd = open(buf, O_RDWR | O_CREAT, 0644); + if (snprintf(buf, sizeof(buf), "%s%s", + _PATH_DEV, dest) >= (ssize_t)sizeof(buf)) + errno = ENAMETOOLONG; + else + dfd = open(buf, O_RDWR | O_CREAT, 0644); } if (dfd < 0) err(1, "%s", dest); |
