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Error on missing MODE parameters

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This commit is contained in:
C. McEnroe 2020-04-05 13:17:38 -04:00
parent bb531a71b1
commit 1969c9125f
1 changed files with 12 additions and 4 deletions
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16
handle.c
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@ -677,7 +677,9 @@ static void handleMode(struct Message *msg) {
if (!name) name = ""; if (!name) name = "";
if (strchr(network.prefixModes, *ch)) { if (strchr(network.prefixModes, *ch)) {
assert(i < ParamCap); if (i >= ParamCap || !msg->params[i]) {
errx(EX_PROTOCOL, "MODE missing %s parameter", mode);
}
char *nick = msg->params[i++]; char *nick = msg->params[i++];
char prefix = network.prefixes[ char prefix = network.prefixes[
strchr(network.prefixModes, *ch) - network.prefixModes strchr(network.prefixModes, *ch) - network.prefixModes
@ -696,7 +698,9 @@ static void handleMode(struct Message *msg) {
} }
if (strchr(network.listModes, *ch)) { if (strchr(network.listModes, *ch)) {
assert(i < ParamCap); if (i >= ParamCap || !msg->params[i]) {
errx(EX_PROTOCOL, "MODE missing %s parameter", mode);
}
char *mask = msg->params[i++]; char *mask = msg->params[i++];
if (*ch == 'b') { if (*ch == 'b') {
verb = (set ? "bans" : "unbans"); verb = (set ? "bans" : "unbans");
@ -727,7 +731,9 @@ static void handleMode(struct Message *msg) {
} }
if (strchr(network.paramModes, *ch)) { if (strchr(network.paramModes, *ch)) {
assert(i < ParamCap); if (i >= ParamCap || !msg->params[i]) {
errx(EX_PROTOCOL, "MODE missing %s parameter", mode);
}
char *param = msg->params[i++]; char *param = msg->params[i++];
uiFormat( uiFormat(
id, Cold, tagTime(msg), id, Cold, tagTime(msg),
@ -742,7 +748,9 @@ static void handleMode(struct Message *msg) {
} }
if (strchr(network.setParamModes, *ch) && set) { if (strchr(network.setParamModes, *ch) && set) {
assert(i < ParamCap); if (i >= ParamCap || !msg->params[i]) {
errx(EX_PROTOCOL, "MODE missing %s parameter", mode);
}
char *param = msg->params[i++]; char *param = msg->params[i++];
uiFormat( uiFormat(
id, Cold, tagTime(msg), id, Cold, tagTime(msg),