diff options
Diffstat (limited to 'networking')
| -rw-r--r-- | networking/zcip.c | 39 |
1 files changed, 27 insertions, 12 deletions
diff --git a/networking/zcip.c b/networking/zcip.c index 55d28e563..330ec7af4 100644 --- a/networking/zcip.c +++ b/networking/zcip.c @@ -76,6 +76,10 @@ enum { do { } while (0) #define VDBG DBG +static unsigned long opts; +#define FOREGROUND (opts & 1) +#define QUIT (opts & 2) + /** * Pick a random link local IP address on 169.254/16, except that * the first and last 256 addresses are reserved. @@ -119,7 +123,10 @@ static int arp(int fd, struct sockaddr *saddr, int op, // send it if (sendto(fd, &p, sizeof (p), 0, saddr, sizeof (*saddr)) < 0) { - perror("sendto"); + if (FOREGROUND) + perror("sendto"); + else + syslog(LOG_ERR, "sendto: %s", strerror(errno)); return -errno; } return 0; @@ -127,19 +134,20 @@ static int arp(int fd, struct sockaddr *saddr, int op, /** * Run a script. - * TODO: sort out stderr/syslog reporting. + * TODO: we need a flag to direct bb_[p]error_msg output to stderr. */ static int run(char *script, char *arg, char *intf, struct in_addr *ip) { int pid, status; char *why; - if (script != NULL) { + if(1) { //always true: if (script != NULL) VDBG("%s run %s %s\n", intf, script, arg); if (ip != NULL) { char *addr = inet_ntoa(*ip); setenv("ip", addr, 1); - syslog(LOG_INFO, "%s %s %s", arg, intf, addr); + if (!FOREGROUND) + syslog(LOG_INFO, "%s %s %s", arg, intf, addr); } pid = vfork(); @@ -148,7 +156,10 @@ static int run(char *script, char *arg, char *intf, struct in_addr *ip) goto bad; } else if (pid == 0) { // child execl(script, script, arg, NULL); - perror("execl"); + if (FOREGROUND) + perror("execl"); + else + syslog(LOG_ERR, "execl: %s", strerror(errno)); _exit(EXIT_FAILURE); } @@ -157,7 +168,11 @@ static int run(char *script, char *arg, char *intf, struct in_addr *ip) goto bad; } if (WEXITSTATUS(status) != 0) { - bb_error_msg("script %s failed, exit=%d\n", + if (FOREGROUND) + bb_error_msg("script %s failed, exit=%d\n", + script, WEXITSTATUS(status)); + else + syslog(LOG_ERR, "script %s failed, exit=%d", script, WEXITSTATUS(status)); return -errno; } @@ -165,8 +180,12 @@ static int run(char *script, char *arg, char *intf, struct in_addr *ip) return 0; bad: status = -errno; - syslog(LOG_ERR, "%s %s, %s error: %s", - arg, intf, why, strerror(errno)); + if (FOREGROUND) + bb_perror_msg("%s %s, %s", + arg, intf, why); + else + syslog(LOG_ERR, "%s %s, %s: %s", + arg, intf, why, strerror(errno)); return status; } @@ -211,11 +230,7 @@ int zcip_main(int argc, char *argv[]) int fd; // parse commandline: prog [options] ifname script -#define FOREGROUND (opts & 1) -#define QUIT (opts & 2) char *r_opt; - unsigned long opts; - bb_opt_complementally = "vv"; // -v options accumulate opts = bb_getopt_ulflags(argc, argv, "fqr:v", &r_opt, &verbose); if (opts & 4) { |