diff options
Diffstat (limited to 'networking')
| -rw-r--r-- | networking/netstat.c | 37 |
1 files changed, 15 insertions, 22 deletions
diff --git a/networking/netstat.c b/networking/netstat.c index d86c2ff..1c78f9d 100644 --- a/networking/netstat.c +++ b/networking/netstat.c @@ -170,6 +170,11 @@ static void tcp_do_one(int lnr, char *line) rem_addr, &rem_port, &state, &txq, &rxq, &timer_run, &time_len, &retr, &uid, &timeout, &inode, more); + if (num < 10) { + bb_error_msg("warning, got bogus tcp line"); + return; + } + if (strlen(local_addr) > 8) { #if ENABLE_FEATURE_IPV6 build_ipv6_addr(local_addr, &localaddr); @@ -180,11 +185,6 @@ static void tcp_do_one(int lnr, char *line) build_ipv4_addr(rem_addr, &remaddr); } - if (num < 10) { - bb_error_msg("warning, got bogus tcp line"); - return; - } - if ((rem_port && (flags & NETSTAT_CONNECTED)) || (!rem_port && (flags & NETSTAT_LISTENING)) ) { @@ -349,17 +349,16 @@ static void unix_do_one(int nr, char *line) const char *ss_proto, *ss_state, *ss_type; char ss_flags[32]; + /* TODO: currently we stop at first NUL byte. Is it a problem? */ + if (nr == 0) return; /* skip header */ - { - char *last = last_char_is(line, '\n'); - if (last) - *last = '\0'; - } + *strchrnul(line, '\n') = '\0'; /* 2.6.15 may report lines like "... @/tmp/fam-user-^@^@^@^@^@^@^@..." - * (those ^@ are NUL bytes). fgets sees them as tons of empty lines. */ + * Other users report long lines filled by NUL bytes. + * (those ^@ are NUL bytes too). We see them as empty lines. */ if (!line[0]) return; @@ -474,20 +473,14 @@ static void do_info(const char *file, const char *name, void (*proc)(int, char * return; } lnr = 0; - do { - buffer = xmalloc_fgets(procinfo); - if (buffer) { - (proc)(lnr++, buffer); - free(buffer); - } - } while (buffer); + /* Why? because xmalloc_fgets_str doesn't stop on NULs */ + while ((buffer = xmalloc_fgets_str(procinfo, "\n")) != NULL) { + (proc)(lnr++, buffer); + free(buffer); + } fclose(procinfo); } -/* - * Our main function. - */ - int netstat_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; int netstat_main(int argc, char **argv) { |