diff options
Diffstat (limited to 'ping.c')
| -rw-r--r-- | ping.c | 50 |
1 files changed, 23 insertions, 27 deletions
@@ -1,5 +1,5 @@ /* - * $Id: ping.c,v 1.4 1999/12/08 23:19:36 andersen Exp $ + * $Id: ping.c,v 1.5 1999/12/09 06:11:36 andersen Exp $ * Mini ping implementation for busybox * * Copyright (C) 1999 by Randolph Chung <tausq@debian.org> @@ -53,6 +53,7 @@ #define MAXPACKET 65468 #define MAX_DUP_CHK (8 * 128) #define MAXWAIT 10 +#define PINGINTERVAL 1 /* second */ #define O_QUIET (1 << 0) @@ -155,8 +156,8 @@ static void sendping(int ign) } signal(SIGALRM, sendping); - if (pingcount == 0 || ntransmitted < pingcount) { /* schedule next */ - alarm(1); + if (pingcount == 0 || ntransmitted < pingcount) { /* schedule next in 1s */ + alarm(PINGINTERVAL); } else { /* done, wait for the last ping to come back */ /* todo, don't necessarily need to wait so long... */ signal(SIGALRM, pingstats); @@ -243,9 +244,8 @@ static void ping(char *host) exit(1); } -#ifdef SUID_BUSYBOX + /* drop root privs if running setuid */ setuid(getuid()); -#endif memset(&pingaddr, 0, sizeof(struct sockaddr_in)); pingaddr.sin_family = AF_INET; @@ -305,35 +305,31 @@ static void ping(char *host) extern int ping_main(int argc, char **argv) { + char *thisarg; + argc--; argv++; options = 0; /* Parse any options */ - if (argc < 1) usage(ping_usage); - - while (**argv == '-') { - while (*++(*argv)) - switch (**argv) { - case 'c': - argc--; argv++; - if (argc < 1) usage(ping_usage); - pingcount = atoi(*argv); - break; - case 'q': - options |= O_QUIET; - break; - default: - usage(ping_usage); - } - argc--; - argv++; + while (argc > 1) { + if (**argv != '-') usage(ping_usage); + thisarg = *argv; thisarg++; + switch (*thisarg) { + case 'q': options |= O_QUIET; break; + case 'c': + argc--; argv++; + pingcount = atoi(*argv); + break; + default: + usage(ping_usage); + } + argc--; argv++; } - - if (argc < 1) usage(ping_usage); + if (argc < 1) usage(ping_usage); myid = getpid() & 0xFFFF; - ping(*(argv++)); - exit( TRUE); + ping(*argv); + exit(TRUE); } /* |