[764c7d1] | 1 | #include "bitlbee.h" |
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| 2 | #ifdef WITH_OTR |
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| 3 | #include "irc.h" |
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| 4 | #include "otr.h" |
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| 5 | #include <sys/types.h> |
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| 6 | #include <unistd.h> |
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| 7 | |
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| 8 | /** |
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| 9 | files used to store OTR data: |
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| 10 | $configdir/$nick.otr_keys |
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| 11 | $configdir/$nick.otr_fprints |
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| 12 | **/ |
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| 13 | |
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| 14 | |
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| 15 | /** OTR interface routines for the OtrlMessageAppOps struct: **/ |
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| 16 | |
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| 17 | OtrlPolicy op_policy(void *opdata, ConnContext *context); |
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| 18 | |
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| 19 | void op_create_privkey(void *opdata, const char *accountname, const char *protocol); |
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| 20 | |
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| 21 | int op_is_logged_in(void *opdata, const char *accountname, const char *protocol, |
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| 22 | const char *recipient); |
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| 23 | |
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| 24 | void op_inject_message(void *opdata, const char *accountname, const char *protocol, |
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| 25 | const char *recipient, const char *message); |
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| 26 | |
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| 27 | int op_display_otr_message(void *opdata, const char *accountname, const char *protocol, |
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| 28 | const char *username, const char *msg); |
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| 29 | |
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| 30 | void op_new_fingerprint(void *opdata, OtrlUserState us, const char *accountname, |
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| 31 | const char *protocol, const char *username, unsigned char fingerprint[20]); |
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| 32 | |
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| 33 | void op_write_fingerprints(void *opdata); |
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| 34 | |
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| 35 | void op_gone_secure(void *opdata, ConnContext *context); |
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| 36 | |
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| 37 | void op_gone_secure(void *opdata, ConnContext *context); |
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| 38 | |
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| 39 | void op_gone_insecure(void *opdata, ConnContext *context); |
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| 40 | |
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| 41 | void op_still_secure(void *opdata, ConnContext *context, int is_reply); |
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| 42 | |
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| 43 | void op_log_message(void *opdata, const char *message); |
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| 44 | |
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| 45 | /* TODO: int op_max_message_size(void *opdata, ConnContext *context); */ |
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| 46 | |
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| 47 | /* TODO: const char *op_account_name(void *opdata, const char *account, |
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| 48 | const char *protocol); */ |
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| 49 | |
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| 50 | |
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| 51 | /** otr sub-command handlers: **/ |
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| 52 | |
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| 53 | /* TODO: void cmd_otr_keygen(irc_t *irc, char **args); */ |
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| 54 | void cmd_otr_abort(irc_t *irc, char **args); /* TODO: does this cmd even make sense? */ |
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| 55 | void cmd_otr_request(irc_t *irc, char **args); /* TODO: do we even need this? */ |
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| 56 | void cmd_otr_auth(irc_t *irc, char **args); |
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| 57 | /* TODO: void cmd_otr_affirm(irc_t *irc, char **args); */ |
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| 58 | void cmd_otr_fprints(irc_t *irc, char **args); |
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| 59 | void cmd_otr_info(irc_t *irc, char **args); |
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| 60 | void cmd_otr_policy(irc_t *irc, char **args); |
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| 61 | |
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| 62 | const command_t otr_commands[] = { |
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| 63 | { "abort", 1, &cmd_otr_abort, 0 }, |
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| 64 | { "request", 1, &cmd_otr_request, 0 }, |
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| 65 | { "auth", 2, &cmd_otr_auth, 0 }, |
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| 66 | { "fprints", 0, &cmd_otr_fprints, 0 }, |
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| 67 | { "info", 1, &cmd_otr_info, 0 }, |
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| 68 | { "policy", 0, &cmd_otr_policy, 0 }, |
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| 69 | { NULL } |
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| 70 | }; |
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| 71 | |
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| 72 | |
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| 73 | /** misc. helpers/subroutines: **/ |
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| 74 | |
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| 75 | /* start background thread to generate a (new) key for a given account */ |
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| 76 | void otr_keygen(irc_t *irc, const char *handle, const char *protocol); |
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| 77 | /* keygen thread main func */ |
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| 78 | gpointer otr_keygen_thread_func(gpointer data); |
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| 79 | /* mainloop handler for when keygen thread finishes */ |
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| 80 | gboolean keygen_finish_handler(gpointer data, gint fd, b_input_condition cond); |
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| 81 | /* data to be passed to otr_keygen_thread_func */ |
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| 82 | struct kgdata { |
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| 83 | irc_t *irc; /* access to OTR userstate */ |
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| 84 | char *keyfile; /* free me! */ |
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| 85 | const char *handle; /* don't free! */ |
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| 86 | const char *protocol; /* don't free! */ |
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| 87 | GMutex *mutex; /* lock for the 'done' flag, free me! */ |
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| 88 | int done; /* is the thread done? */ |
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| 89 | gcry_error_t result; /* return value of otrl_privkey_generate */ |
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| 90 | }; |
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| 91 | |
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| 92 | /* yes/no handlers for "generate key now?" */ |
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| 93 | void yes_keygen(gpointer w, void *data); |
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| 94 | void no_keygen(gpointer w, void *data); |
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| 95 | |
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| 96 | /* helper to make sure accountname and protocol match the incoming "opdata" */ |
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| 97 | struct im_connection *check_imc(void *opdata, const char *accountname, |
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| 98 | const char *protocol); |
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| 99 | |
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| 100 | /* determine the nick for a given handle/protocol pair */ |
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| 101 | const char *peernick(irc_t *irc, const char *handle, const char *protocol); |
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| 102 | |
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| 103 | /* handle SMP TLVs from a received message */ |
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| 104 | void otr_handle_smp(struct im_connection *ic, const char *handle, OtrlTLV *tlvs); |
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| 105 | |
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| 106 | /* show the list of fingerprints associated with a given context */ |
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| 107 | void show_fingerprints(irc_t *irc, ConnContext *ctx); |
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| 108 | |
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| 109 | |
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| 110 | |
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| 111 | /*** routines declared in otr.h: ***/ |
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| 112 | |
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| 113 | void otr_init(void) |
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| 114 | { |
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| 115 | if(!g_thread_supported()) g_thread_init(NULL); |
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| 116 | OTRL_INIT; |
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| 117 | |
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| 118 | /* fill global OtrlMessageAppOps */ |
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| 119 | global.otr_ops.policy = &op_policy; |
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| 120 | global.otr_ops.create_privkey = &op_create_privkey; |
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| 121 | global.otr_ops.is_logged_in = &op_is_logged_in; |
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| 122 | global.otr_ops.inject_message = &op_inject_message; |
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| 123 | global.otr_ops.notify = NULL; |
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| 124 | global.otr_ops.display_otr_message = &op_display_otr_message; |
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| 125 | global.otr_ops.update_context_list = NULL; |
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| 126 | global.otr_ops.protocol_name = NULL; |
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| 127 | global.otr_ops.protocol_name_free = NULL; |
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| 128 | global.otr_ops.new_fingerprint = &op_new_fingerprint; |
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| 129 | global.otr_ops.write_fingerprints = &op_write_fingerprints; |
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| 130 | global.otr_ops.gone_secure = &op_gone_secure; |
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| 131 | global.otr_ops.gone_insecure = &op_gone_insecure; |
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| 132 | global.otr_ops.still_secure = &op_still_secure; |
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| 133 | global.otr_ops.log_message = &op_log_message; |
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| 134 | global.otr_ops.max_message_size = NULL; |
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| 135 | global.otr_ops.account_name = NULL; |
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| 136 | global.otr_ops.account_name_free = NULL; |
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| 137 | } |
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| 138 | |
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| 139 | /* Notice on the otr_mutex: |
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| 140 | |
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| 141 | The incoming/outgoing message handlers try to lock the otr_mutex. If they succeed, |
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| 142 | this will prevent a concurrent keygen (possibly spawned by that very command) |
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| 143 | from messing up the userstate. If the lock fails, that means there already is |
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| 144 | a keygen in progress. Instead of blocking for an unknown time, they |
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| 145 | will bail out gracefully, informing the user of this temporary "coma". |
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| 146 | TODO: Hold back incoming/outgoing messages and process them when keygen completes? |
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| 147 | |
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| 148 | The other routines do not lock the otr_mutex themselves, it is done as a |
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| 149 | catch-all in the root command handler. Rationale: |
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| 150 | a) it's easy to code |
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| 151 | b) it makes it obvious that no command can get its userstate corrupted |
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| 152 | c) the "irc" struct is readily available there for feedback to the user |
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| 153 | */ |
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| 154 | |
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| 155 | void otr_load(irc_t *irc) |
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| 156 | { |
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| 157 | char s[512]; |
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| 158 | account_t *a; |
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| 159 | gcry_error_t e; |
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| 160 | |
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| 161 | log_message(LOGLVL_DEBUG, "otr_load '%s'", irc->nick); |
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| 162 | |
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| 163 | g_snprintf(s, 511, "%s%s.otr_keys", global.conf->configdir, irc->nick); |
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| 164 | e = otrl_privkey_read(irc->otr_us, s); |
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| 165 | if(e && e!=ENOENT) { |
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[3c80a9d] | 166 | log_message(LOGLVL_ERROR, "otr load: %s: %s", s, strerror(e)); |
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[764c7d1] | 167 | } |
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| 168 | g_snprintf(s, 511, "%s%s.otr_fprints", global.conf->configdir, irc->nick); |
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| 169 | e = otrl_privkey_read_fingerprints(irc->otr_us, s, NULL, NULL); |
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| 170 | if(e && e!=ENOENT) { |
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[3c80a9d] | 171 | log_message(LOGLVL_ERROR, "otr load: %s: %s", s, strerror(e)); |
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[764c7d1] | 172 | } |
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| 173 | |
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| 174 | /* check for otr keys on all accounts */ |
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| 175 | for(a=irc->accounts; a; a=a->next) { |
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| 176 | otr_check_for_key(a); |
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| 177 | } |
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| 178 | } |
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| 179 | |
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| 180 | void otr_save(irc_t *irc) |
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| 181 | { |
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| 182 | char s[512]; |
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[3c80a9d] | 183 | gcry_error_t e; |
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[764c7d1] | 184 | |
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| 185 | log_message(LOGLVL_DEBUG, "otr_save '%s'", irc->nick); |
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| 186 | |
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| 187 | g_snprintf(s, 511, "%s%s.otr_fprints", global.conf->configdir, irc->nick); |
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[3c80a9d] | 188 | e = otrl_privkey_write_fingerprints(irc->otr_us, s); |
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| 189 | if(e) { |
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| 190 | log_message(LOGLVL_ERROR, "otr save: %s: %s", s, strerror(e)); |
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| 191 | } |
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[764c7d1] | 192 | } |
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| 193 | |
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| 194 | void otr_remove(const char *nick) |
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| 195 | { |
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| 196 | char s[512]; |
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| 197 | |
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| 198 | log_message(LOGLVL_DEBUG, "otr_remove '%s'", nick); |
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| 199 | |
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| 200 | g_snprintf(s, 511, "%s%s.otr_keys", global.conf->configdir, nick); |
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| 201 | unlink(s); |
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| 202 | g_snprintf(s, 511, "%s%s.otr_fprints", global.conf->configdir, nick); |
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| 203 | unlink(s); |
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| 204 | } |
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| 205 | |
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| 206 | void otr_rename(const char *onick, const char *nnick) |
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| 207 | { |
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| 208 | char s[512], t[512]; |
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| 209 | |
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| 210 | log_message(LOGLVL_DEBUG, "otr_rename '%s' -> '%s'", onick, nnick); |
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| 211 | |
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| 212 | g_snprintf(s, 511, "%s%s.otr_keys", global.conf->configdir, onick); |
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| 213 | g_snprintf(t, 511, "%s%s.otr_keys", global.conf->configdir, nnick); |
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| 214 | rename(s,t); |
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| 215 | g_snprintf(s, 511, "%s%s.otr_fprints", global.conf->configdir, onick); |
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| 216 | g_snprintf(t, 511, "%s%s.otr_fprints", global.conf->configdir, nnick); |
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| 217 | rename(s,t); |
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| 218 | } |
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| 219 | |
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| 220 | void otr_check_for_key(account_t *a) |
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| 221 | { |
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| 222 | irc_t *irc = a->irc; |
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| 223 | char buf[45]; |
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| 224 | char *fp; |
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| 225 | |
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| 226 | fp = otrl_privkey_fingerprint(irc->otr_us, buf, a->user, a->prpl->name); |
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| 227 | if(fp) { |
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| 228 | irc_usermsg(irc, "otr: %s/%s ready with f'print %s", |
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| 229 | a->user, a->prpl->name, fp); |
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| 230 | } else { |
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| 231 | otr_keygen(irc, a->user, a->prpl->name); |
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| 232 | } |
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| 233 | } |
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| 234 | |
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| 235 | char *otr_handle_message(struct im_connection *ic, const char *handle, const char *msg) |
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| 236 | { |
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| 237 | int ignore_msg; |
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| 238 | char *newmsg = NULL; |
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| 239 | OtrlTLV *tlvs = NULL; |
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| 240 | char *colormsg; |
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| 241 | |
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| 242 | if(!g_mutex_trylock(ic->irc->otr_mutex)) { |
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| 243 | /* TODO: queue msgs received during keygen for later */ |
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| 244 | irc_usermsg(ic->irc, "msg from %s/%s during keygen - dropped", |
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| 245 | handle, ic->acc->prpl->name); |
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| 246 | return NULL; |
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| 247 | } |
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| 248 | |
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| 249 | ignore_msg = otrl_message_receiving(ic->irc->otr_us, &global.otr_ops, ic, |
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| 250 | ic->acc->user, ic->acc->prpl->name, handle, msg, &newmsg, |
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| 251 | &tlvs, NULL, NULL); |
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| 252 | |
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| 253 | otr_handle_smp(ic, handle, tlvs); |
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| 254 | |
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| 255 | if(ignore_msg) { |
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| 256 | /* this was an internal OTR protocol message */ |
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| 257 | g_mutex_unlock(ic->irc->otr_mutex); |
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| 258 | return NULL; |
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| 259 | } else if(!newmsg) { |
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| 260 | /* this was a non-OTR message */ |
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| 261 | g_mutex_unlock(ic->irc->otr_mutex); |
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| 262 | return g_strdup(msg); |
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| 263 | } else { |
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| 264 | /* OTR has processed this message */ |
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| 265 | ConnContext *context = otrl_context_find(ic->irc->otr_us, handle, |
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| 266 | ic->acc->user, ic->acc->prpl->name, 0, NULL, NULL, NULL); |
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| 267 | if(context && context->msgstate == OTRL_MSGSTATE_ENCRYPTED) { |
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| 268 | /* color according to f'print trust */ |
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| 269 | char color; |
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| 270 | const char *trust = context->active_fingerprint->trust; |
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| 271 | if(trust && trust[0] != '\0') |
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| 272 | color='3'; /* green */ |
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| 273 | else |
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| 274 | color='5'; /* red */ |
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| 275 | colormsg = g_strdup_printf("\x03%c%s\x0F", color, newmsg); |
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| 276 | } else { |
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| 277 | colormsg = g_strdup(newmsg); |
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| 278 | } |
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| 279 | otrl_message_free(newmsg); |
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| 280 | g_mutex_unlock(ic->irc->otr_mutex); |
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| 281 | return colormsg; |
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| 282 | } |
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| 283 | } |
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| 284 | |
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| 285 | int otr_send_message(struct im_connection *ic, const char *handle, const char *msg, int flags) |
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| 286 | { |
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| 287 | int st; |
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| 288 | char *otrmsg = NULL; |
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| 289 | ConnContext *ctx = NULL; |
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| 290 | |
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| 291 | if(!g_mutex_trylock(ic->irc->otr_mutex)) { |
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| 292 | irc_usermsg(ic->irc, "msg to %s/%s during keygen - not sent", |
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| 293 | handle, ic->acc->prpl->name); |
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| 294 | return 1; |
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| 295 | } |
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| 296 | |
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| 297 | st = otrl_message_sending(ic->irc->otr_us, &global.otr_ops, ic, |
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| 298 | ic->acc->user, ic->acc->prpl->name, handle, |
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| 299 | msg, NULL, &otrmsg, NULL, NULL); |
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| 300 | if(st) { |
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| 301 | g_mutex_unlock(ic->irc->otr_mutex); |
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| 302 | return st; |
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| 303 | } |
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| 304 | |
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| 305 | ctx = otrl_context_find(ic->irc->otr_us, |
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| 306 | handle, ic->acc->user, ic->acc->prpl->name, |
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| 307 | 1, NULL, NULL, NULL); |
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| 308 | |
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| 309 | if(otrmsg) { |
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| 310 | if(!ctx) { |
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| 311 | otrl_message_free(otrmsg); |
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| 312 | g_mutex_unlock(ic->irc->otr_mutex); |
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| 313 | return 1; |
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| 314 | } |
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| 315 | st = otrl_message_fragment_and_send(&global.otr_ops, ic, ctx, |
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| 316 | otrmsg, OTRL_FRAGMENT_SEND_ALL, NULL); |
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| 317 | otrl_message_free(otrmsg); |
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| 318 | } else { |
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| 319 | /* yeah, well, some const casts as usual... ;-) */ |
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| 320 | st = ic->acc->prpl->buddy_msg( ic, (char *)handle, (char *)msg, flags ); |
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| 321 | } |
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| 322 | |
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| 323 | g_mutex_unlock(ic->irc->otr_mutex); |
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| 324 | return st; |
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| 325 | } |
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| 326 | |
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| 327 | void cmd_otr(irc_t *irc, char **args) |
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| 328 | { |
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| 329 | const command_t *cmd; |
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| 330 | |
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| 331 | if(!args[0]) |
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| 332 | return; |
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| 333 | |
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| 334 | if(!args[1]) |
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| 335 | return; |
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| 336 | |
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| 337 | for(cmd=otr_commands; cmd->command; cmd++) { |
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| 338 | if(strcmp(cmd->command, args[1]) == 0) |
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| 339 | break; |
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| 340 | } |
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| 341 | |
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| 342 | if(!cmd->command) { |
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| 343 | irc_usermsg(irc, "%s %s: unknown subcommand, see \x02help otr\x02", |
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| 344 | args[0], args[1]); |
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| 345 | return; |
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| 346 | } |
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| 347 | |
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| 348 | if(!args[cmd->required_parameters+1]) { |
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| 349 | irc_usermsg(irc, "%s %s: not enough arguments (%d req.)", |
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| 350 | args[0], args[1], cmd->required_parameters); |
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| 351 | return; |
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| 352 | } |
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| 353 | |
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| 354 | cmd->execute(irc, args+1); |
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| 355 | } |
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| 356 | |
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| 357 | |
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| 358 | /*** OTR "MessageAppOps" callbacks for global.otr_ui: ***/ |
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| 359 | |
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| 360 | OtrlPolicy op_policy(void *opdata, ConnContext *context) |
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| 361 | { |
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| 362 | /* TODO: OTR policy configurable */ |
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| 363 | return OTRL_POLICY_OPPORTUNISTIC; |
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| 364 | } |
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| 365 | |
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| 366 | void op_create_privkey(void *opdata, const char *accountname, |
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| 367 | const char *protocol) |
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| 368 | { |
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| 369 | struct im_connection *ic = check_imc(opdata, accountname, protocol); |
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| 370 | char *s; |
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| 371 | |
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| 372 | log_message(LOGLVL_DEBUG, "op_create_privkey '%s' '%s'", accountname, protocol); |
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| 373 | |
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| 374 | s = g_strdup_printf("oops, no otr privkey for %s/%s - generate one now?", |
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| 375 | accountname, protocol); |
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| 376 | query_add(ic->irc, ic, s, yes_keygen, no_keygen, ic->acc); |
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| 377 | } |
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| 378 | |
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| 379 | int op_is_logged_in(void *opdata, const char *accountname, |
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| 380 | const char *protocol, const char *recipient) |
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| 381 | { |
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| 382 | struct im_connection *ic = check_imc(opdata, accountname, protocol); |
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| 383 | user_t *u; |
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| 384 | |
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| 385 | log_message(LOGLVL_DEBUG, "op_is_logged_in '%s' '%s' '%s'", accountname, protocol, recipient); |
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| 386 | |
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| 387 | /* lookup the user_t for the given recipient */ |
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| 388 | u = user_findhandle(ic, recipient); |
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| 389 | if(u) { |
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| 390 | if(u->online) |
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| 391 | return 1; |
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| 392 | else |
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| 393 | return 0; |
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| 394 | } else { |
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| 395 | return -1; |
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| 396 | } |
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| 397 | } |
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| 398 | |
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| 399 | void op_inject_message(void *opdata, const char *accountname, |
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| 400 | const char *protocol, const char *recipient, const char *message) |
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| 401 | { |
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| 402 | struct im_connection *ic = check_imc(opdata, accountname, protocol); |
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| 403 | |
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| 404 | log_message(LOGLVL_DEBUG, "op_inject_message '%s' '%s' '%s' '%s'", accountname, protocol, recipient, message); |
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| 405 | |
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| 406 | if (strcmp(accountname, recipient) == 0) { |
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| 407 | /* huh? injecting messages to myself? */ |
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| 408 | irc_usermsg(ic->irc, "note to self: %s", message); |
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| 409 | } else { |
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| 410 | /* need to drop some consts here :-( */ |
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| 411 | /* TODO: get flags into op_inject_message?! */ |
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| 412 | ic->acc->prpl->buddy_msg(ic, (char *)recipient, (char *)message, 0); |
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| 413 | /* ignoring return value :-/ */ |
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| 414 | } |
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| 415 | } |
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| 416 | |
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| 417 | int op_display_otr_message(void *opdata, const char *accountname, |
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| 418 | const char *protocol, const char *username, const char *msg) |
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| 419 | { |
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| 420 | struct im_connection *ic = check_imc(opdata, accountname, protocol); |
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| 421 | |
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| 422 | log_message(LOGLVL_DEBUG, "op_display_otr_message '%s' '%s' '%s' '%s'", accountname, protocol, username, msg); |
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| 423 | |
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| 424 | irc_usermsg(ic->irc, "%s", msg); |
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| 425 | |
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| 426 | return 0; |
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| 427 | } |
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| 428 | |
---|
| 429 | void op_new_fingerprint(void *opdata, OtrlUserState us, |
---|
| 430 | const char *accountname, const char *protocol, |
---|
| 431 | const char *username, unsigned char fingerprint[20]) |
---|
| 432 | { |
---|
| 433 | struct im_connection *ic = check_imc(opdata, accountname, protocol); |
---|
| 434 | char hunam[45]; /* anybody looking? ;-) */ |
---|
| 435 | |
---|
| 436 | otrl_privkey_hash_to_human(hunam, fingerprint); |
---|
| 437 | log_message(LOGLVL_DEBUG, "op_new_fingerprint '%s' '%s' '%s' '%s'", accountname, protocol, username, hunam); |
---|
| 438 | |
---|
| 439 | irc_usermsg(ic->irc, "new fingerprint for %s: %s", |
---|
| 440 | peernick(ic->irc, username, protocol), hunam); |
---|
| 441 | } |
---|
| 442 | |
---|
| 443 | void op_write_fingerprints(void *opdata) |
---|
| 444 | { |
---|
| 445 | struct im_connection *ic = (struct im_connection *)opdata; |
---|
| 446 | |
---|
| 447 | log_message(LOGLVL_DEBUG, "op_write_fingerprints"); |
---|
| 448 | |
---|
| 449 | otr_save(ic->irc); |
---|
| 450 | } |
---|
| 451 | |
---|
| 452 | void op_gone_secure(void *opdata, ConnContext *context) |
---|
| 453 | { |
---|
| 454 | struct im_connection *ic = |
---|
| 455 | check_imc(opdata, context->accountname, context->protocol); |
---|
| 456 | |
---|
| 457 | log_message(LOGLVL_DEBUG, "op_gone_secure '%s' '%s' '%s'", context->accountname, context->protocol, context->username); |
---|
| 458 | |
---|
| 459 | irc_usermsg(ic->irc, "conversation with %s is now off the record", |
---|
| 460 | peernick(ic->irc, context->username, context->protocol)); |
---|
| 461 | } |
---|
| 462 | |
---|
| 463 | void op_gone_insecure(void *opdata, ConnContext *context) |
---|
| 464 | { |
---|
| 465 | struct im_connection *ic = |
---|
| 466 | check_imc(opdata, context->accountname, context->protocol); |
---|
| 467 | |
---|
| 468 | log_message(LOGLVL_DEBUG, "op_gone_insecure '%s' '%s' '%s'", context->accountname, context->protocol, context->username); |
---|
| 469 | |
---|
| 470 | irc_usermsg(ic->irc, "conversation with %s is now in the clear", |
---|
| 471 | peernick(ic->irc, context->username, context->protocol)); |
---|
| 472 | } |
---|
| 473 | |
---|
| 474 | void op_still_secure(void *opdata, ConnContext *context, int is_reply) |
---|
| 475 | { |
---|
| 476 | struct im_connection *ic = |
---|
| 477 | check_imc(opdata, context->accountname, context->protocol); |
---|
| 478 | |
---|
| 479 | log_message(LOGLVL_DEBUG, "op_still_secure '%s' '%s' '%s' is_reply=%d", |
---|
| 480 | context->accountname, context->protocol, context->username, is_reply); |
---|
| 481 | |
---|
| 482 | irc_usermsg(ic->irc, "otr connection with %s has been refreshed", |
---|
| 483 | peernick(ic->irc, context->username, context->protocol)); |
---|
| 484 | } |
---|
| 485 | |
---|
| 486 | void op_log_message(void *opdata, const char *message) |
---|
| 487 | { |
---|
| 488 | log_message(LOGLVL_INFO, "%s", message); |
---|
| 489 | } |
---|
| 490 | |
---|
| 491 | |
---|
| 492 | /*** OTR sub-command handlers ***/ |
---|
| 493 | |
---|
| 494 | void cmd_otr_abort(irc_t *irc, char **args) |
---|
| 495 | { |
---|
| 496 | user_t *u; |
---|
| 497 | |
---|
| 498 | u = user_find(irc, args[1]); |
---|
| 499 | if(!u || !u->ic) { |
---|
| 500 | irc_usermsg(irc, "%s: unknown user", args[1]); |
---|
| 501 | return; |
---|
| 502 | } |
---|
| 503 | |
---|
| 504 | otrl_message_disconnect(irc->otr_us, &global.otr_ops, |
---|
| 505 | u->ic, u->ic->acc->user, u->ic->acc->prpl->name, u->handle); |
---|
| 506 | } |
---|
| 507 | |
---|
| 508 | void cmd_otr_request(irc_t *irc, char **args) |
---|
| 509 | { |
---|
| 510 | user_t *u; |
---|
| 511 | |
---|
| 512 | u = user_find(irc, args[1]); |
---|
| 513 | if(!u || !u->ic) { |
---|
| 514 | irc_usermsg(irc, "%s: unknown user", args[1]); |
---|
| 515 | return; |
---|
| 516 | } |
---|
| 517 | if(!u->online) { |
---|
| 518 | irc_usermsg(irc, "%s is offline", args[1]); |
---|
| 519 | return; |
---|
| 520 | } |
---|
| 521 | |
---|
| 522 | imc_buddy_msg(u->ic, u->handle, "?OTR?", 0); |
---|
| 523 | } |
---|
| 524 | |
---|
| 525 | void cmd_otr_auth(irc_t *irc, char **args) |
---|
| 526 | { |
---|
| 527 | user_t *u; |
---|
| 528 | ConnContext *ctx; |
---|
| 529 | |
---|
| 530 | u = user_find(irc, args[1]); |
---|
| 531 | if(!u || !u->ic) { |
---|
| 532 | irc_usermsg(irc, "%s: unknown user", args[1]); |
---|
| 533 | return; |
---|
| 534 | } |
---|
| 535 | if(!u->online) { |
---|
| 536 | irc_usermsg(irc, "%s is offline", args[1]); |
---|
| 537 | return; |
---|
| 538 | } |
---|
| 539 | |
---|
| 540 | ctx = otrl_context_find(irc->otr_us, u->handle, |
---|
| 541 | u->ic->acc->user, u->ic->acc->prpl->name, 1, NULL, NULL, NULL); |
---|
| 542 | if(!ctx) { |
---|
[3c80a9d] | 543 | /* huh? out of memory or what? */ |
---|
[764c7d1] | 544 | return; |
---|
| 545 | } |
---|
| 546 | |
---|
| 547 | if(ctx->smstate->nextExpected != OTRL_SMP_EXPECT1) { |
---|
| 548 | log_message(LOGLVL_INFO, |
---|
| 549 | "SMP already in phase %d, sending abort before reinitiating", |
---|
| 550 | ctx->smstate->nextExpected+1); |
---|
| 551 | otrl_message_abort_smp(irc->otr_us, &global.otr_ops, u->ic, ctx); |
---|
| 552 | otrl_sm_state_free(ctx->smstate); |
---|
| 553 | } |
---|
| 554 | |
---|
| 555 | /* warning: the following assumes that smstates are cleared whenever an SMP |
---|
| 556 | is completed or aborted! */ |
---|
| 557 | if(ctx->smstate->secret == NULL) { |
---|
| 558 | irc_usermsg(irc, "smp: initiating with %s...", u->nick); |
---|
| 559 | otrl_message_initiate_smp(irc->otr_us, &global.otr_ops, |
---|
| 560 | u->ic, ctx, (unsigned char *)args[2], strlen(args[2])); |
---|
| 561 | /* smp is now in EXPECT2 */ |
---|
| 562 | } else { |
---|
| 563 | /* if we're still in EXPECT1 but smstate is initialized, we must have |
---|
| 564 | received the SMP1, so let's issue a response */ |
---|
| 565 | irc_usermsg(irc, "smp: responding to %s...", u->nick); |
---|
| 566 | otrl_message_respond_smp(irc->otr_us, &global.otr_ops, |
---|
| 567 | u->ic, ctx, (unsigned char *)args[2], strlen(args[2])); |
---|
| 568 | /* smp is now in EXPECT3 */ |
---|
| 569 | } |
---|
| 570 | } |
---|
| 571 | |
---|
| 572 | void cmd_otr_fprints(irc_t *irc, char **args) |
---|
| 573 | { |
---|
| 574 | if(args[1]) { |
---|
| 575 | /* list given buddy's fingerprints */ |
---|
| 576 | user_t *u; |
---|
| 577 | ConnContext *ctx; |
---|
| 578 | |
---|
| 579 | u = user_find(irc, args[1]); |
---|
| 580 | if(!u || !u->ic) { |
---|
| 581 | irc_usermsg(irc, "%s: unknown user", args[1]); |
---|
| 582 | return; |
---|
| 583 | } |
---|
| 584 | |
---|
| 585 | ctx = otrl_context_find(irc->otr_us, u->handle, |
---|
| 586 | u->ic->acc->user, u->ic->acc->prpl->name, 0, NULL, NULL, NULL); |
---|
| 587 | if(!ctx) { |
---|
| 588 | irc_usermsg(irc, "no fingerprints"); |
---|
| 589 | } else { |
---|
| 590 | show_fingerprints(irc, ctx); |
---|
| 591 | } |
---|
| 592 | } else { |
---|
| 593 | /* list all known fingerprints */ |
---|
| 594 | ConnContext *ctx; |
---|
| 595 | for(ctx=irc->otr_us->context_root; ctx; ctx=ctx->next) { |
---|
| 596 | irc_usermsg(irc, "[%s]", peernick(irc, ctx->username, ctx->protocol)); |
---|
| 597 | show_fingerprints(irc, ctx); |
---|
| 598 | } |
---|
| 599 | if(!irc->otr_us->context_root) { |
---|
| 600 | irc_usermsg(irc, "no fingerprints"); |
---|
| 601 | } |
---|
| 602 | } |
---|
| 603 | } |
---|
| 604 | |
---|
| 605 | void cmd_otr_info(irc_t *irc, char **args) |
---|
| 606 | { |
---|
| 607 | user_t *u; |
---|
| 608 | ConnContext *ctx; |
---|
| 609 | Fingerprint *fp; |
---|
| 610 | char human[45]; |
---|
| 611 | const char *offer_status; |
---|
| 612 | const char *message_state; |
---|
| 613 | const char *trust; |
---|
| 614 | |
---|
| 615 | if(!args) { |
---|
| 616 | irc_usermsg(irc, "no args?!"); |
---|
| 617 | return; |
---|
| 618 | } |
---|
| 619 | if(!args[1]) { |
---|
| 620 | irc_usermsg(irc, "no args[1]?!"); |
---|
| 621 | return; |
---|
| 622 | } |
---|
| 623 | u = user_find(irc, args[1]); |
---|
| 624 | if(!u || !u->ic) { |
---|
| 625 | irc_usermsg(irc, "%s: unknown user", args[1]); |
---|
| 626 | return; |
---|
| 627 | } |
---|
| 628 | |
---|
| 629 | ctx = otrl_context_find(irc->otr_us, u->handle, |
---|
| 630 | u->ic->acc->user, u->ic->acc->prpl->name, 0, NULL, NULL, NULL); |
---|
| 631 | if(!ctx) { |
---|
| 632 | irc_usermsg(irc, "no otr info on %s", args[1]); |
---|
| 633 | return; |
---|
| 634 | } |
---|
| 635 | |
---|
| 636 | switch(ctx->otr_offer) { |
---|
| 637 | case OFFER_NOT: offer_status="none sent"; break; |
---|
| 638 | case OFFER_SENT: offer_status="awaiting reply"; break; |
---|
| 639 | case OFFER_ACCEPTED: offer_status="accepted our offer"; break; |
---|
| 640 | case OFFER_REJECTED: offer_status="ignored our offer"; break; |
---|
| 641 | default: offer_status="?"; |
---|
| 642 | } |
---|
| 643 | |
---|
| 644 | switch(ctx->msgstate) { |
---|
| 645 | case OTRL_MSGSTATE_PLAINTEXT: message_state="cleartext"; break; |
---|
| 646 | case OTRL_MSGSTATE_ENCRYPTED: message_state="encrypted"; break; |
---|
| 647 | case OTRL_MSGSTATE_FINISHED: message_state="shut down"; break; |
---|
| 648 | default: message_state="?"; |
---|
| 649 | } |
---|
| 650 | |
---|
| 651 | irc_usermsg(irc, "%s is %s/%s; we are %s/%s to them", args[1], |
---|
| 652 | ctx->username, ctx->protocol, ctx->accountname, ctx->protocol); |
---|
| 653 | irc_usermsg(irc, " otr offer status: %s", offer_status); |
---|
| 654 | irc_usermsg(irc, " connection state: %s", message_state); |
---|
| 655 | irc_usermsg(irc, " protocol version: %d", ctx->protocol_version); |
---|
| 656 | fp = ctx->active_fingerprint; |
---|
| 657 | if(!fp) { |
---|
| 658 | irc_usermsg(irc, " active f'print: none"); |
---|
| 659 | } else { |
---|
| 660 | otrl_privkey_hash_to_human(human, fp->fingerprint); |
---|
| 661 | if(!fp->trust || fp->trust[0] == '\0') { |
---|
| 662 | trust="untrusted"; |
---|
| 663 | } else { |
---|
| 664 | trust=fp->trust; |
---|
| 665 | } |
---|
| 666 | irc_usermsg(irc, " active f'print: %s (%s)", human, trust); |
---|
| 667 | } |
---|
| 668 | } |
---|
| 669 | |
---|
| 670 | void cmd_otr_policy(irc_t *irc, char **args) |
---|
| 671 | { |
---|
| 672 | irc_usermsg(irc, "n/a: not implemented"); |
---|
| 673 | } |
---|
| 674 | |
---|
| 675 | |
---|
| 676 | /*** local helpers / subroutines: ***/ |
---|
| 677 | |
---|
| 678 | /* Socialist Millionaires' Protocol */ |
---|
| 679 | void otr_handle_smp(struct im_connection *ic, const char *handle, OtrlTLV *tlvs) |
---|
| 680 | { |
---|
| 681 | irc_t *irc = ic->irc; |
---|
| 682 | OtrlUserState us = irc->otr_us; |
---|
| 683 | OtrlMessageAppOps *ops = &global.otr_ops; |
---|
| 684 | OtrlTLV *tlv = NULL; |
---|
| 685 | ConnContext *context; |
---|
| 686 | NextExpectedSMP nextMsg; |
---|
| 687 | user_t *u; |
---|
| 688 | |
---|
| 689 | u = user_findhandle(ic, handle); |
---|
| 690 | if(!u) return; |
---|
| 691 | context = otrl_context_find(us, handle, |
---|
| 692 | ic->acc->user, ic->acc->prpl->name, 1, NULL, NULL, NULL); |
---|
[3c80a9d] | 693 | if(!context) { |
---|
| 694 | /* huh? out of memory or what? */ |
---|
| 695 | return; |
---|
| 696 | } |
---|
[764c7d1] | 697 | nextMsg = context->smstate->nextExpected; |
---|
| 698 | |
---|
| 699 | tlv = otrl_tlv_find(tlvs, OTRL_TLV_SMP1); |
---|
| 700 | if (tlv) { |
---|
| 701 | if (nextMsg != OTRL_SMP_EXPECT1) { |
---|
| 702 | irc_usermsg(irc, "smp %s: spurious SMP1 received, aborting", u->nick); |
---|
| 703 | otrl_message_abort_smp(us, ops, u->ic, context); |
---|
| 704 | otrl_sm_state_free(context->smstate); |
---|
| 705 | } else { |
---|
| 706 | irc_usermsg(irc, "smp: initiated by %s" |
---|
| 707 | " - respond with \x02otr smp %s <secret>\x02", |
---|
| 708 | u->nick, u->nick); |
---|
| 709 | /* smp stays in EXPECT1 until user responds */ |
---|
| 710 | } |
---|
| 711 | } |
---|
| 712 | tlv = otrl_tlv_find(tlvs, OTRL_TLV_SMP2); |
---|
| 713 | if (tlv) { |
---|
| 714 | if (nextMsg != OTRL_SMP_EXPECT2) { |
---|
| 715 | irc_usermsg(irc, "smp %s: spurious SMP2 received, aborting", u->nick); |
---|
| 716 | otrl_message_abort_smp(us, ops, u->ic, context); |
---|
| 717 | otrl_sm_state_free(context->smstate); |
---|
| 718 | } else { |
---|
| 719 | /* SMP2 received, otrl_message_receiving will have sent SMP3 */ |
---|
| 720 | context->smstate->nextExpected = OTRL_SMP_EXPECT4; |
---|
| 721 | } |
---|
| 722 | } |
---|
| 723 | tlv = otrl_tlv_find(tlvs, OTRL_TLV_SMP3); |
---|
| 724 | if (tlv) { |
---|
| 725 | if (nextMsg != OTRL_SMP_EXPECT3) { |
---|
| 726 | irc_usermsg(irc, "smp %s: spurious SMP3 received, aborting", u->nick); |
---|
| 727 | otrl_message_abort_smp(us, ops, u->ic, context); |
---|
| 728 | otrl_sm_state_free(context->smstate); |
---|
| 729 | } else { |
---|
| 730 | /* SMP3 received, otrl_message_receiving will have sent SMP4 and set fp trust */ |
---|
| 731 | const char *trust = context->active_fingerprint->trust; |
---|
| 732 | if(!trust || trust[0]=='\0') { |
---|
| 733 | irc_usermsg(irc, "smp %s: secrets did not match, fingerprint not trusted", |
---|
| 734 | u->nick); |
---|
| 735 | } else { |
---|
| 736 | irc_usermsg(irc, "smp %s: secrets proved equal, fingerprint trusted", |
---|
| 737 | u->nick); |
---|
| 738 | } |
---|
| 739 | otrl_sm_state_free(context->smstate); |
---|
| 740 | /* smp is in back in EXPECT1 */ |
---|
| 741 | } |
---|
| 742 | } |
---|
| 743 | tlv = otrl_tlv_find(tlvs, OTRL_TLV_SMP4); |
---|
| 744 | if (tlv) { |
---|
| 745 | if (nextMsg != OTRL_SMP_EXPECT4) { |
---|
| 746 | irc_usermsg(irc, "smp %s: spurious SMP4 received, aborting", u->nick); |
---|
| 747 | otrl_message_abort_smp(us, ops, u->ic, context); |
---|
| 748 | otrl_sm_state_free(context->smstate); |
---|
| 749 | } else { |
---|
| 750 | /* SMP4 received, otrl_message_receiving will have set fp trust */ |
---|
| 751 | const char *trust = context->active_fingerprint->trust; |
---|
| 752 | if(!trust || trust[0]=='\0') { |
---|
| 753 | irc_usermsg(irc, "smp %s: secrets did not match, fingerprint not trusted", |
---|
| 754 | u->nick); |
---|
| 755 | } else { |
---|
| 756 | irc_usermsg(irc, "smp %s: secrets proved equal, fingerprint trusted", |
---|
| 757 | u->nick); |
---|
| 758 | } |
---|
| 759 | otrl_sm_state_free(context->smstate); |
---|
| 760 | /* smp is in back in EXPECT1 */ |
---|
| 761 | } |
---|
| 762 | } |
---|
| 763 | tlv = otrl_tlv_find(tlvs, OTRL_TLV_SMP_ABORT); |
---|
| 764 | if (tlv) { |
---|
| 765 | irc_usermsg(irc, "smp: received abort from %s", u->nick); |
---|
| 766 | otrl_sm_state_free(context->smstate); |
---|
| 767 | /* smp is in back in EXPECT1 */ |
---|
| 768 | } |
---|
| 769 | } |
---|
| 770 | |
---|
| 771 | /* helper to assert that account and protocol names given to ops below always |
---|
| 772 | match the im_connection passed through as opdata */ |
---|
| 773 | struct im_connection *check_imc(void *opdata, const char *accountname, |
---|
| 774 | const char *protocol) |
---|
| 775 | { |
---|
| 776 | struct im_connection *ic = (struct im_connection *)opdata; |
---|
| 777 | |
---|
| 778 | if (strcmp(accountname, ic->acc->user) != 0) { |
---|
| 779 | log_message(LOGLVL_WARNING, |
---|
| 780 | "otr: internal account name mismatch: '%s' vs '%s'", |
---|
| 781 | accountname, ic->acc->user); |
---|
| 782 | } |
---|
| 783 | if (strcmp(protocol, ic->acc->prpl->name) != 0) { |
---|
| 784 | log_message(LOGLVL_WARNING, |
---|
| 785 | "otr: internal protocol name mismatch: '%s' vs '%s'", |
---|
| 786 | protocol, ic->acc->prpl->name); |
---|
| 787 | } |
---|
| 788 | |
---|
| 789 | return ic; |
---|
| 790 | } |
---|
| 791 | |
---|
| 792 | const char *peernick(irc_t *irc, const char *handle, const char *protocol) |
---|
| 793 | { |
---|
| 794 | user_t *u; |
---|
| 795 | static char fallback[512]; |
---|
| 796 | |
---|
| 797 | g_snprintf(fallback, 511, "%s/%s", handle, protocol); |
---|
| 798 | for(u=irc->users; u; u=u->next) { |
---|
| 799 | struct prpl *prpl; |
---|
| 800 | if(!u->ic || !u->handle) |
---|
| 801 | break; |
---|
| 802 | prpl = u->ic->acc->prpl; |
---|
| 803 | if(strcmp(prpl->name, protocol) == 0 |
---|
| 804 | && prpl->handle_cmp(u->handle, handle) == 0) { |
---|
| 805 | return u->nick; |
---|
| 806 | } |
---|
| 807 | } |
---|
| 808 | |
---|
| 809 | return fallback; |
---|
| 810 | } |
---|
| 811 | |
---|
| 812 | void show_fingerprints(irc_t *irc, ConnContext *ctx) |
---|
| 813 | { |
---|
| 814 | char human[45]; |
---|
| 815 | Fingerprint *fp; |
---|
| 816 | const char *trust; |
---|
| 817 | int count=0; |
---|
| 818 | |
---|
| 819 | for(fp=&ctx->fingerprint_root; fp; fp=fp->next) { |
---|
| 820 | if(!fp->fingerprint) |
---|
| 821 | continue; |
---|
| 822 | count++; |
---|
| 823 | otrl_privkey_hash_to_human(human, fp->fingerprint); |
---|
| 824 | if(!fp->trust || fp->trust[0] == '\0') { |
---|
| 825 | trust="untrusted"; |
---|
| 826 | } else { |
---|
| 827 | trust=fp->trust; |
---|
| 828 | } |
---|
| 829 | if(fp == ctx->active_fingerprint) { |
---|
| 830 | irc_usermsg(irc, "\x02%s (%s)\x02", human, trust); |
---|
| 831 | } else { |
---|
| 832 | irc_usermsg(irc, "%s (%s)", human, trust); |
---|
| 833 | } |
---|
| 834 | } |
---|
| 835 | if(count==0) |
---|
| 836 | irc_usermsg(irc, "no fingerprints"); |
---|
| 837 | } |
---|
| 838 | |
---|
| 839 | void otr_keygen(irc_t *irc, const char *handle, const char *protocol) |
---|
| 840 | { |
---|
| 841 | GError *err; |
---|
| 842 | GThread *thr; |
---|
| 843 | struct kgdata *kg; |
---|
| 844 | gint ev; |
---|
| 845 | |
---|
| 846 | irc_usermsg(irc, "generating new otr privkey for %s/%s...", |
---|
| 847 | handle, protocol); |
---|
| 848 | |
---|
| 849 | kg = g_new0(struct kgdata, 1); |
---|
| 850 | if(!kg) { |
---|
| 851 | irc_usermsg(irc, "otr keygen failed: out of memory"); |
---|
| 852 | return; |
---|
| 853 | } |
---|
| 854 | |
---|
| 855 | /* Assemble the job description to be passed to thread and handler */ |
---|
| 856 | kg->irc = irc; |
---|
| 857 | kg->keyfile = g_strdup_printf("%s%s.otr_keys", global.conf->configdir, kg->irc->nick); |
---|
| 858 | if(!kg->keyfile) { |
---|
| 859 | irc_usermsg(irc, "otr keygen failed: out of memory"); |
---|
| 860 | g_free(kg); |
---|
| 861 | return; |
---|
| 862 | } |
---|
| 863 | kg->handle = handle; |
---|
| 864 | kg->protocol = protocol; |
---|
| 865 | kg->mutex = g_mutex_new(); |
---|
| 866 | if(!kg->mutex) { |
---|
| 867 | irc_usermsg(irc, "otr keygen failed: couldn't create mutex"); |
---|
| 868 | g_free(kg->keyfile); |
---|
| 869 | g_free(kg); |
---|
| 870 | return; |
---|
| 871 | } |
---|
| 872 | kg->done = FALSE; |
---|
| 873 | |
---|
| 874 | /* Poll for completion of the thread periodically. I would have preferred |
---|
| 875 | to just wait on a pipe but this way it's portable to Windows. *sigh* |
---|
| 876 | */ |
---|
| 877 | ev = b_timeout_add(1000, &keygen_finish_handler, kg); |
---|
| 878 | if(!ev) { |
---|
| 879 | irc_usermsg(irc, "otr keygen failed: couldn't register timeout"); |
---|
| 880 | g_free(kg->keyfile); |
---|
| 881 | g_mutex_free(kg->mutex); |
---|
| 882 | g_free(kg); |
---|
| 883 | return; |
---|
| 884 | } |
---|
| 885 | |
---|
| 886 | thr = g_thread_create(&otr_keygen_thread_func, kg, FALSE, &err); |
---|
| 887 | if(!thr) { |
---|
| 888 | irc_usermsg(irc, "otr keygen failed: %s", err->message); |
---|
| 889 | g_free(kg->keyfile); |
---|
| 890 | g_mutex_free(kg->mutex); |
---|
| 891 | g_free(kg); |
---|
| 892 | b_event_remove(ev); |
---|
| 893 | } |
---|
| 894 | } |
---|
| 895 | |
---|
| 896 | gpointer otr_keygen_thread_func(gpointer data) |
---|
| 897 | { |
---|
| 898 | struct kgdata *kg = (struct kgdata *)data; |
---|
| 899 | |
---|
| 900 | /* lock OTR subsystem and do the work */ |
---|
| 901 | g_mutex_lock(kg->irc->otr_mutex); |
---|
| 902 | kg->result = otrl_privkey_generate(kg->irc->otr_us, kg->keyfile, kg->handle, |
---|
| 903 | kg->protocol); |
---|
| 904 | g_mutex_unlock(kg->irc->otr_mutex); |
---|
| 905 | /* OTR enabled again */ |
---|
| 906 | |
---|
| 907 | /* notify mainloop */ |
---|
| 908 | g_mutex_lock(kg->mutex); |
---|
| 909 | kg->done = TRUE; |
---|
| 910 | g_mutex_unlock(kg->mutex); |
---|
| 911 | |
---|
| 912 | return NULL; |
---|
| 913 | } |
---|
| 914 | |
---|
| 915 | gboolean keygen_finish_handler(gpointer data, gint fd, b_input_condition cond) |
---|
| 916 | { |
---|
| 917 | struct kgdata *kg = (struct kgdata *)data; |
---|
| 918 | int done; |
---|
| 919 | |
---|
| 920 | g_mutex_lock(kg->mutex); |
---|
| 921 | done = kg->done; |
---|
| 922 | g_mutex_unlock(kg->mutex); |
---|
| 923 | if(kg->done) { |
---|
| 924 | if(kg->result) { |
---|
[3c80a9d] | 925 | irc_usermsg(kg->irc, "otr keygen: %s", strerror(kg->result)); |
---|
[764c7d1] | 926 | } else { |
---|
| 927 | irc_usermsg(kg->irc, "otr keygen for %s/%s complete", kg->handle, kg->protocol); |
---|
| 928 | } |
---|
| 929 | g_free(kg->keyfile); |
---|
| 930 | g_mutex_free(kg->mutex); |
---|
| 931 | g_free(kg); |
---|
| 932 | return FALSE; /* unregister timeout */ |
---|
| 933 | } |
---|
| 934 | |
---|
| 935 | return TRUE; /* still working, continue checking */ |
---|
| 936 | } |
---|
| 937 | |
---|
| 938 | void yes_keygen(gpointer w, void *data) |
---|
| 939 | { |
---|
| 940 | account_t *acc = (account_t *)data; |
---|
| 941 | |
---|
| 942 | otr_keygen(acc->irc, acc->user, acc->prpl->name); |
---|
| 943 | } |
---|
| 944 | |
---|
| 945 | void no_keygen(gpointer w, void *data) |
---|
| 946 | { |
---|
| 947 | account_t *acc = (account_t *)data; |
---|
| 948 | |
---|
| 949 | irc_usermsg(acc->irc, "proceeding without key, otr inoperable on %s/%s", |
---|
| 950 | acc->user, acc->prpl->name); |
---|
| 951 | } |
---|
| 952 | |
---|
| 953 | |
---|
| 954 | #else /* WITH_OTR undefined */ |
---|
| 955 | |
---|
| 956 | void cmd_otr(irc_t *irc, char **args) |
---|
| 957 | { |
---|
| 958 | irc_usermsg(irc, "otr: n/a, compiled without OTR support"); |
---|
| 959 | } |
---|
| 960 | |
---|
| 961 | #endif |
---|