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coverity 169267 - lwsgt strncpy may fill buffer without NUL

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This commit is contained in:
Andy Green 2016-08-28 09:10:40 +08:00
parent e35d91a860
commit 16f3e4cacf
1 changed files with 6 additions and 4 deletions

10
plugins/generic-sessions/protocol_generic_sessions.c
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@ -418,7 +418,8 @@ callback_generic_sessions(struct lws *wsi, enum lws_callback_reasons reason,
pss->login_session.id[0] = '\0'; pss->login_session.id[0] = '\0';
pss->phs.pos = 0; pss->phs.pos = 0;
strncpy(pss->onward, (char *)in, sizeof(pss->onward)); strncpy(pss->onward, (char *)in, sizeof(pss->onward) - 1);
pss->onward[sizeof(pss->onward) - 1] = '\0';
if (!strcmp((const char *)in, "/lwsgs-forgot")) { if (!strcmp((const char *)in, "/lwsgs-forgot")) {
lwsgs_handler_forgot(vhd, wsi, pss); lwsgs_handler_forgot(vhd, wsi, pss);
@ -512,9 +513,10 @@ callback_generic_sessions(struct lws *wsi, enum lws_callback_reasons reason,
sqlite3_errmsg(vhd->pdb)); sqlite3_errmsg(vhd->pdb));
break; break;
} }
strncpy(sinfo->username, u.username, sizeof(sinfo->username)); strncpy(sinfo->username, u.username, sizeof(sinfo->username) - 1);
strncpy(sinfo->email, u.email, sizeof(sinfo->email)); sinfo->username[sizeof(sinfo->username) - 1] = '\0';
strncpy(sinfo->session, sid.id, sizeof(sinfo->session)); strncpy(sinfo->email, u.email, sizeof(sinfo->email) - 1);
strncpy(sinfo->session, sid.id, sizeof(sinfo->session) - 1);
sinfo->mask = lwsgs_get_auth_level(vhd, username); sinfo->mask = lwsgs_get_auth_level(vhd, username);
lws_get_peer_simple(wsi, sinfo->ip, sizeof(sinfo->ip)); lws_get_peer_simple(wsi, sinfo->ip, sizeof(sinfo->ip));
} }