diff options
Diffstat (limited to 'contrib/opie')
-rw-r--r-- | contrib/opie/popen.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/contrib/opie/popen.c b/contrib/opie/popen.c index d5ad0f0658b1..99aad17025a6 100644 --- a/contrib/opie/popen.c +++ b/contrib/opie/popen.c @@ -23,6 +23,7 @@ License Agreement applies to this software. Modified at NRL for OPIE 2.0. Originally from BSD. +$FreeBSD$ */ /* * Copyright (c) 1988, 1993, 1994 @@ -84,6 +85,9 @@ License Agreement applies to this software. #include "opie.h" +#define MAXUSRARGS 100 +#define MAXGLOBARGS 1000 + char **ftpglob __P((register char *)); char **copyblk __P((char **)); VOIDRET blkfree __P((char **)); @@ -103,7 +107,7 @@ FILE *ftpd_popen FUNCTION((program, type), char *program AND char *type) char *cp; FILE *iop; int argc, gargc, pdes[2]; - char **pop, *argv[100], *gargv[1000], *vv[2]; + char **pop, *argv[MAXUSRARGS], *gargv[MAXGLOBARGS], *vv[2]; if ((*type != 'r' && *type != 'w') || type[1]) return (NULL); @@ -112,13 +116,15 @@ FILE *ftpd_popen FUNCTION((program, type), char *program AND char *type) return (NULL); /* break up string into pieces */ - for (argc = 0, cp = program;; cp = NULL) + for (argc = 0, cp = program; argc < MAXUSRARGS-1; cp = NULL) { if (!(argv[argc++] = strtok(cp, " \t\n"))) break; + } + argv[argc - 1] = NULL; /* glob each piece */ gargv[0] = argv[0]; - for (gargc = argc = 1; argv[argc]; argc++) { + for (gargc = argc = 1; argv[argc] && gargc < (MAXGLOBARGS-1); argc++) { if (!(pop = (char **) ftpglob(argv[argc]))) { /* globbing failed */ vv[0] = argv[argc]; @@ -126,7 +132,7 @@ FILE *ftpd_popen FUNCTION((program, type), char *program AND char *type) pop = (char **) copyblk(vv); } argv[argc] = (char *) pop; /* save to free later */ - while (*pop && gargc < 1000) + while (*pop && gargc < MAXGLOBARGS-1) gargv[gargc++] = *pop++; } gargv[gargc] = NULL; |