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| author | June McEnroe <june@causal.agency> | 2019-12-18 15:50:27 -0500 |
|---|---|---|
| committer | June McEnroe <june@causal.agency> | 2019-12-18 15:50:27 -0500 |
| commit | d39fa31782cd516dab64e8b66b2be08903f2c594 (patch) | |
| tree | 31c7a1f64f418de5b3d6e607aabad0fe161235bc | |
| parent | Post "cgit setup" (diff) | |
| download | src-d39fa31782cd516dab64e8b66b2be08903f2c594.tar.gz src-d39fa31782cd516dab64e8b66b2be08903f2c594.zip | |
Bail from hi if input is binary
NULs in the input cause an infinite loop in htmlEscape, not to mention regexes obviously not working, etc.
| -rw-r--r-- | bin/hi.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/bin/hi.c b/bin/hi.c index 4cbca999..de9111a6 100644 --- a/bin/hi.c +++ b/bin/hi.c @@ -739,6 +739,7 @@ int main(int argc, char *argv[]) { if (!str) err(EX_OSERR, "realloc"); } if (ferror(file)) err(EX_IOERR, "fread"); + if (memchr(str, 0, len)) errx(EX_DATAERR, "input is binary"); str[len] = '\0'; enum Class *hi = calloc(len, sizeof(*hi)); |