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improve printresponse() to consume all buffer bytes

This commit is contained in:
Thomas Bernard 2016-01-17 19:36:11 +01:00
parent 02e64e9f85
commit eea61f81c3
1 changed files with 45 additions and 42 deletions
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15
minissdpd/printresponse.c
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@ -1,5 +1,6 @@
/* $Id: $ */
/* Project : miniupnp
/* vim: tabstop=4 shiftwidth=4 noexpandtab
* Project : miniupnp
* website : http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
* Author : Thomas BERNARD
* copyright (c) 2005-2016 Thomas Bernard
@ -36,12 +37,13 @@ void printresponse(const unsigned char * resp, int n)
putchar((resp[l] >= ' ' && resp[l] < 128) ? resp[l] : '.');
putchar('\n');
}
for(p = resp; p < resp + n; ) {
/* now parse and display all devices of response */
nresp = resp[0]; /* 1st byte : number of devices in response */
nresp = p[0]; /* 1st byte : number of devices in response */
if(nresp == 0xff) {
/* notification */
notif_type = resp[1];
nresp = resp[2];
notif_type = p[1];
nresp = p[2];
printf("Notification : ");
switch(notif_type) {
case NOTIF_NEW: printf("new\n"); break;
@ -49,9 +51,9 @@ void printresponse(const unsigned char * resp, int n)
case NOTIF_REMOVE: printf("remove\n"); break;
default: printf("**UNKNOWN**\n");
}
p = resp + 3;
p += 3;
} else {
p = resp + 1;
p++;
}
for(i = 0; i < (int)nresp; i++) {
if(p >= resp + n)
@ -79,6 +81,7 @@ void printresponse(const unsigned char * resp, int n)
printf(" %.*s\n", l, p); /* USN */
p += l;
}
}
return;
error:
printf("*** WARNING : TRUNCATED RESPONSE ***\n");