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-rw-r--r--otr.c120
1 files changed, 108 insertions, 12 deletions
diff --git a/otr.c b/otr.c
index 95c5289e..adba7b68 100644
--- a/otr.c
+++ b/otr.c
@@ -93,6 +93,7 @@ struct kgdata {
void yes_keygen(gpointer w, void *data);
void yes_forget_fingerprint(gpointer w, void *data);
void yes_forget_context(gpointer w, void *data);
+void yes_forget_key(gpointer w, void *data);
/* helper to make sure accountname and protocol match the incoming "opdata" */
struct im_connection *check_imc(void *opdata, const char *accountname,
@@ -129,6 +130,9 @@ void show_fingerprints(irc_t *irc, ConnContext *ctx);
/* find a fingerprint by prefix (given as any number of hex strings) */
Fingerprint *match_fingerprint(irc_t *irc, ConnContext *ctx, const char **args);
+/* find a private key by fingerprint prefix (given as any number of hex strings) */
+OtrlPrivKey *match_privkey(irc_t *irc, const char **args);
+
/* to log out accounts during keygen */
extern void cmd_account(irc_t *irc, char **cmd);
@@ -287,7 +291,8 @@ char *otr_handle_message(struct im_connection *ic, const char *handle, const cha
/* OTR has processed this message */
ConnContext *context = otrl_context_find(ic->irc->otr_us, handle,
ic->acc->user, ic->acc->prpl->name, 0, NULL, NULL, NULL);
- if(context && context->msgstate == OTRL_MSGSTATE_ENCRYPTED) {
+ if(context && context->msgstate == OTRL_MSGSTATE_ENCRYPTED &&
+ set_getbool(&ic->irc->set, "color_encrypted")) {
/* color according to f'print trust */
char color;
const char *trust = context->active_fingerprint->trust;
@@ -394,8 +399,8 @@ void op_create_privkey(void *opdata, const char *accountname,
log_message(LOGLVL_DEBUG, "op_create_privkey '%s' '%s'", accountname, protocol);
- s = g_strdup_printf("oops, no otr privkey for %s/%s - generate one now?",
- accountname, protocol);
+ s = g_strdup_printf("oops, no otr privkey for %s - generate one now?",
+ accountname);
query_add(ic->irc, ic, s, yes_keygen, NULL, ic->acc);
}
@@ -793,7 +798,7 @@ void cmd_otr_keygen(irc_t *irc, char **args)
if(otrl_privkey_find(irc->otr_us, a->user, a->prpl->name)) {
char *s = g_strdup_printf("account %d already has a key, replace it?", n);
- query_add(irc, a->ic, s, yes_keygen, NULL, a);
+ query_add(irc, NULL, s, yes_keygen, NULL, a);
} else {
otr_keygen(irc, a->user, a->prpl->name);
}
@@ -801,11 +806,11 @@ void cmd_otr_keygen(irc_t *irc, char **args)
void yes_forget_fingerprint(gpointer w, void *data)
{
- struct im_connection *ic = (struct im_connection *)w;
+ irc_t *irc = (irc_t *)w;
Fingerprint *fp = (Fingerprint *)data;
if(fp == fp->context->active_fingerprint) {
- irc_usermsg(ic->irc, "that fingerprint is active, terminate otr connection first");
+ irc_usermsg(irc, "that fingerprint is active, terminate otr connection first");
return;
}
@@ -814,12 +819,12 @@ void yes_forget_fingerprint(gpointer w, void *data)
void yes_forget_context(gpointer w, void *data)
{
- struct im_connection *ic = (struct im_connection *)w;
+ irc_t *irc = (irc_t *)w;
ConnContext *ctx = (ConnContext *)data;
if(ctx->msgstate == OTRL_MSGSTATE_ENCRYPTED) {
- irc_usermsg(ic->irc, "active otr connection with %s, terminate it first",
- peernick(ic->irc, ctx->username, ctx->protocol));
+ irc_usermsg(irc, "active otr connection with %s, terminate it first",
+ peernick(irc, ctx->username, ctx->protocol));
return;
}
@@ -828,6 +833,15 @@ void yes_forget_context(gpointer w, void *data)
otrl_context_forget(ctx);
}
+void yes_forget_key(gpointer w, void *data)
+{
+ OtrlPrivKey *key = (OtrlPrivKey *)data;
+
+ /* FIXME: For some reason which /completely eludes me/, this call keeps
+ barfing on the gcry_sexp_release inside (invalid pointer free). */
+ otrl_privkey_forget(key);
+}
+
void cmd_otr_forget(irc_t *irc, char **args)
{
if(!strcmp(args[1], "fingerprint"))
@@ -869,7 +883,7 @@ void cmd_otr_forget(irc_t *irc, char **args)
otrl_privkey_hash_to_human(human, fp->fingerprint);
s = g_strdup_printf("about to forget fingerprint %s, are you sure?", human);
- query_add(irc, u->ic, s, yes_forget_fingerprint, NULL, fp);
+ query_add(irc, NULL, s, yes_forget_fingerprint, NULL, fp);
}
else if(!strcmp(args[1], "context"))
@@ -897,12 +911,28 @@ void cmd_otr_forget(irc_t *irc, char **args)
}
s = g_strdup_printf("about to forget otr data about %s, are you sure?", args[2]);
- query_add(irc, u->ic, s, yes_forget_context, NULL, ctx);
+ query_add(irc, NULL, s, yes_forget_context, NULL, ctx);
}
else if(!strcmp(args[1], "key"))
{
- irc_usermsg(irc, "n/a: TODO");
+ OtrlPrivKey *key;
+ char *s;
+
+ key = match_privkey(irc, ((const char **)args)+2);
+ if(!key) {
+ /* match_privkey does error messages */
+ return;
+ }
+
+ /* TODO: Find out why 'otr forget key' barfs (cf. yes_forget_key) */
+ irc_usermsg(irc, "otr %s %s: not implemented, please edit \x02%s%s.otr_keys\x02 manually :-/",
+ args[0], args[1], global.conf->configdir, irc->nick);
+ return;
+
+ s = g_strdup_printf("about to forget the private key for %s/%s, are you sure?",
+ key->accountname, key->protocol);
+ query_add(irc, NULL, s, yes_forget_key, NULL, key);
}
else
@@ -1230,6 +1260,72 @@ Fingerprint *match_fingerprint(irc_t *irc, ConnContext *ctx, const char **args)
return fp;
}
+OtrlPrivKey *match_privkey(irc_t *irc, const char **args)
+{
+ OtrlPrivKey *k, *k2;
+ char human[45];
+ char prefix[45], *p;
+ int n;
+ int i,j;
+
+ /* assemble the args into a prefix in standard "human" form */
+ n=0;
+ p=prefix;
+ for(i=0; args[i]; i++) {
+ for(j=0; args[i][j]; j++) {
+ char c = toupper(args[i][j]);
+
+ if(n>=40) {
+ irc_usermsg(irc, "too many fingerprint digits given, expected at most 40");
+ return NULL;
+ }
+
+ if( (c>='A' && c<='F') || (c>='0' && c<='9') ) {
+ *(p++) = c;
+ } else {
+ irc_usermsg(irc, "invalid hex digit '%c' in block %d", args[i][j], i+1);
+ return NULL;
+ }
+
+ n++;
+ if(n%8 == 0)
+ *(p++) = ' ';
+ }
+ }
+ *p = '\0';
+ log_message(LOGLVL_DEBUG, "match_privkey '%s'", prefix);
+ log_message(LOGLVL_DEBUG, "n=%d strlen(prefix)=%d", n, strlen(prefix));
+
+ /* find first key which matches the given prefix */
+ n = strlen(prefix);
+ for(k=irc->otr_us->privkey_root; k; k=k->next) {
+ p = otrl_privkey_fingerprint(irc->otr_us, human, k->accountname, k->protocol);
+ if(!p) /* gah! :-P */
+ continue;
+ if(!strncmp(prefix, human, n))
+ break;
+ }
+ if(!k) {
+ irc_usermsg(irc, "%s: no match", prefix);
+ return NULL;
+ }
+
+ /* make sure the match, if any, is unique */
+ for(k2=k->next; k2; k2=k2->next) {
+ p = otrl_privkey_fingerprint(irc->otr_us, human, k2->accountname, k2->protocol);
+ if(!p) /* gah! :-P */
+ continue;
+ if(!strncmp(prefix, human, n))
+ break;
+ }
+ if(k2) {
+ irc_usermsg(irc, "%s: multiple matches", prefix);
+ return NULL;
+ }
+
+ return k;
+}
+
void show_general_otr_info(irc_t *irc)
{
ConnContext *ctx;
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-27 09:01:04 +0000