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| author | Barton E. Schaefer <schaefer@zsh.org> | 2014-09-03 08:46:56 -0700 |
|---|---|---|
| committer | Barton E. Schaefer <schaefer@zsh.org> | 2014-09-03 08:46:56 -0700 |
| commit | a3b1e3ffb1765943aef4a1d74f66ffe5f899ac02 (patch) | |
| tree | 163865bbaeae646dd058bfeb307843ce14d12c44 /Src/exec.c | |
| parent | 6d9635b0bd3c5e0a2445b01b40727ec295863d00 (diff) | |
| download | zsh-a3b1e3ffb1765943aef4a1d74f66ffe5f899ac02.tar.gz zsh-a3b1e3ffb1765943aef4a1d74f66ffe5f899ac02.zip | |
33100: check $fd more rigorously in "exec {fd}<&-"
Diffstat (limited to 'Src/exec.c')
| -rw-r--r-- | Src/exec.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/Src/exec.c b/Src/exec.c index bf50d0f32..fb2739acc 100644 --- a/Src/exec.c +++ b/Src/exec.c @@ -3050,7 +3050,7 @@ execcmd(Estate state, int input, int output, int how, int last1) break; case REDIR_CLOSE: if (fn->varid) { - char *s = fn->varid; + char *s = fn->varid, *t; struct value vbuf; Value v; int bad = 0; @@ -3060,13 +3060,25 @@ execcmd(Estate state, int input, int output, int how, int last1) } else if (v->pm->node.flags & PM_READONLY) { bad = 2; } else { - fn->fd1 = (int)getintvalue(v); + s = getstrvalue(v); if (errflag) bad = 1; - else if (fn->fd1 <= max_zsh_fd) { - if (fn->fd1 >= 10 && - fdtable[fn->fd1] == FDT_INTERNAL) - bad = 3; + else { + fn->fd1 = zstrtol(s, &t, 0); + if (s == t) + bad = 1; + else if (*t) { + /* Check for base#number format */ + if (*t == '#' && *s != '0') + fn->fd1 = zstrtol(s = t+1, &t, fn->fd1); + if (s == t || *t) + bad = 1; + } + if (!bad && fn->fd1 <= max_zsh_fd) { + if (fn->fd1 >= 10 && + fdtable[fn->fd1] == FDT_INTERNAL) + bad = 3; + } } } if (bad) { |