Sebastian Kuschel reports that pfd_closing can be called for a socket
[u/mdw/putty] / cmdline.c
index 73c6f73..a4c9160 100644 (file)
--- a/cmdline.c
+++ b/cmdline.c
@@ -63,7 +63,7 @@ void cmdline_cleanup(void)
     int pri;
 
     if (cmdline_password) {
-       memset(cmdline_password, 0, strlen(cmdline_password));
+       smemclr(cmdline_password, strlen(cmdline_password));
        sfree(cmdline_password);
        cmdline_password = NULL;
     }
@@ -105,15 +105,12 @@ int cmdline_get_passwd_input(prompts_t *p, unsigned char *in, int inlen) {
     if (tried_once)
        return 0;
 
-    strncpy(p->prompts[0]->result, cmdline_password,
-           p->prompts[0]->result_len);
-    p->prompts[0]->result[p->prompts[0]->result_len-1] = '\0';
-    memset(cmdline_password, 0, strlen(cmdline_password));
+    prompt_set_result(p->prompts[0], cmdline_password);
+    smemclr(cmdline_password, strlen(cmdline_password));
     sfree(cmdline_password);
     cmdline_password = NULL;
     tried_once = 1;
     return 1;
-
 }
 
 /*
@@ -162,7 +159,7 @@ static int cmdline_check_unavailable(int flag, char *p)
     if (need_save < 0) return x; \
 } while (0)
 
-int cmdline_process_param(char *p, char *value, int need_save, Config *cfg)
+int cmdline_process_param(char *p, char *value, int need_save, Conf *conf)
 {
     int ret = 0;
 
@@ -170,49 +167,58 @@ int cmdline_process_param(char *p, char *value, int need_save, Config *cfg)
        RETURN(2);
        /* This parameter must be processed immediately rather than being
         * saved. */
-       do_defaults(value, cfg);
+       do_defaults(value, conf);
        loaded_session = TRUE;
+       cmdline_session_name = dupstr(value);
        return 2;
     }
     if (!strcmp(p, "-ssh")) {
        RETURN(1);
        UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
        SAVEABLE(0);
-       default_protocol = cfg->protocol = PROT_SSH;
-       default_port = cfg->port = 22;
+       default_protocol = PROT_SSH;
+       default_port = 22;
+       conf_set_int(conf, CONF_protocol, default_protocol);
+       conf_set_int(conf, CONF_port, default_port);
        return 1;
     }
     if (!strcmp(p, "-telnet")) {
        RETURN(1);
        UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
        SAVEABLE(0);
-       default_protocol = cfg->protocol = PROT_TELNET;
-       default_port = cfg->port = 23;
+       default_protocol = PROT_TELNET;
+       default_port = 23;
+       conf_set_int(conf, CONF_protocol, default_protocol);
+       conf_set_int(conf, CONF_port, default_port);
        return 1;
     }
     if (!strcmp(p, "-rlogin")) {
        RETURN(1);
        UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
        SAVEABLE(0);
-       default_protocol = cfg->protocol = PROT_RLOGIN;
-       default_port = cfg->port = 513;
+       default_protocol = PROT_RLOGIN;
+       default_port = 513;
+       conf_set_int(conf, CONF_protocol, default_protocol);
+       conf_set_int(conf, CONF_port, default_port);
        return 1;
     }
     if (!strcmp(p, "-raw")) {
        RETURN(1);
        UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
        SAVEABLE(0);
-       default_protocol = cfg->protocol = PROT_RAW;
+       default_protocol = PROT_RAW;
+       conf_set_int(conf, CONF_protocol, default_protocol);
     }
     if (!strcmp(p, "-serial")) {
        RETURN(1);
        /* Serial is not NONNETWORK in an odd sense of the word */
        UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
        SAVEABLE(0);
-       default_protocol = cfg->protocol = PROT_SERIAL;
-       /* The host parameter will already be loaded into cfg->host, so copy it across */
-       strncpy(cfg->serline, cfg->host, sizeof(cfg->serline) - 1);
-       cfg->serline[sizeof(cfg->serline) - 1] = '\0';
+       default_protocol = PROT_SERIAL;
+       conf_set_int(conf, CONF_protocol, default_protocol);
+       /* The host parameter will already be loaded into CONF_host,
+        * so copy it across */
+       conf_set_str(conf, CONF_serline, conf_get_str(conf, CONF_host));
     }
     if (!strcmp(p, "-v")) {
        RETURN(1);
@@ -222,41 +228,23 @@ int cmdline_process_param(char *p, char *value, int need_save, Config *cfg)
        RETURN(2);
        UNAVAILABLE_IN(TOOLTYPE_NONNETWORK);
        SAVEABLE(0);
-       strncpy(cfg->username, value, sizeof(cfg->username));
-       cfg->username[sizeof(cfg->username) - 1] = '\0';
+       conf_set_str(conf, CONF_username, value);
     }
     if (!strcmp(p, "-loghost")) {
        RETURN(2);
        UNAVAILABLE_IN(TOOLTYPE_NONNETWORK);
        SAVEABLE(0);
-       strncpy(cfg->loghost, value, sizeof(cfg->loghost));
-       cfg->loghost[sizeof(cfg->loghost) - 1] = '\0';
+       conf_set_str(conf, CONF_loghost, value);
     }
     if ((!strcmp(p, "-L") || !strcmp(p, "-R") || !strcmp(p, "-D"))) {
-       char *fwd, *ptr, *q, *qq;
-       int dynamic, i=0;
+       char type, *q, *qq, *key, *val;
        RETURN(2);
        UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
        SAVEABLE(0);
-       dynamic = !strcmp(p, "-D");
-       fwd = value;
-       ptr = cfg->portfwd;
-       /* if existing forwards, find end of list */
-       while (*ptr) {
-           while (*ptr)
-               ptr++;
-           ptr++;
-       }
-       i = ptr - cfg->portfwd;
-       ptr[0] = p[1];  /* insert a 'L', 'R' or 'D' at the start */
-       ptr++;
-       if (1 + strlen(fwd) + 2 > sizeof(cfg->portfwd) - i) {
-           cmdline_error("out of space for port forwardings");
-           return ret;
-       }
-       strncpy(ptr, fwd, sizeof(cfg->portfwd) - i - 2);
-       if (!dynamic) {
+       if (strcmp(p, "-D")) {
            /*
+             * For -L or -R forwarding types:
+             *
             * We expect _at least_ two colons in this string. The
             * possible formats are `sourceport:desthost:destport',
             * or `sourceip:sourceport:desthost:destport' if you're
@@ -264,19 +252,47 @@ int cmdline_process_param(char *p, char *value, int need_save, Config *cfg)
             * replace the one between source and dest with a \t;
             * this means we must find the second-to-last colon in
             * the string.
+            *
+            * (This looks like a foolish way of doing it given the
+            * existence of strrchr, but it's more efficient than
+            * two strrchrs - not to mention that the second strrchr
+            * would require us to modify the input string!)
             */
-           q = qq = strchr(ptr, ':');
+
+            type = p[1];               /* 'L' or 'R' */
+
+           q = qq = strchr(value, ':');
            while (qq) {
                char *qqq = strchr(qq+1, ':');
                if (qqq)
                    q = qq;
                qq = qqq;
            }
-           if (q) *q = '\t';          /* replace second-last colon with \t */
+
+           if (!q) {
+               cmdline_error("-%c expects at least two colons in its"
+                             " argument", type);
+               return ret;
+           }
+
+           key = dupprintf("%c%.*s", type, q - value, value);
+           val = dupstr(q+1);
+       } else {
+            /*
+             * Dynamic port forwardings are entered under the same key
+             * as if they were local (because they occupy the same
+             * port space - a local and a dynamic forwarding on the
+             * same local port are mutually exclusive), with the
+             * special value "D" (which can be distinguished from
+             * anything in the ordinary -L case by containing no
+             * colon).
+             */
+           key = dupprintf("L%s", value);
+           val = dupstr("D");
        }
-       cfg->portfwd[sizeof(cfg->portfwd) - 1] = '\0';
-       cfg->portfwd[sizeof(cfg->portfwd) - 2] = '\0';
-       ptr[strlen(ptr)+1] = '\000';    /* append 2nd '\000' */
+       conf_set_str_str(conf, CONF_portfwd, key, val);
+       sfree(key);
+       sfree(val);
     }
     if ((!strcmp(p, "-nc"))) {
        char *host, *portp;
@@ -285,20 +301,16 @@ int cmdline_process_param(char *p, char *value, int need_save, Config *cfg)
        UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
        SAVEABLE(0);
 
-       host = portp = value;
-       while (*portp && *portp != ':')
-           portp++;
-       if (*portp) {
-           unsigned len = portp - host;
-           if (len >= sizeof(cfg->ssh_nc_host))
-               len = sizeof(cfg->ssh_nc_host) - 1;
-           memcpy(cfg->ssh_nc_host, value, len);
-           cfg->ssh_nc_host[len] = '\0';
-           cfg->ssh_nc_port = atoi(portp+1);
-       } else {
+       portp = strchr(value, ':');
+       if (!portp) {
            cmdline_error("-nc expects argument of form 'host:port'");
            return ret;
        }
+
+       host = dupprintf("%.*s", portp - value, value);
+       conf_set_str(conf, CONF_ssh_nc_host, host);
+       conf_set_int(conf, CONF_ssh_nc_port, atoi(portp + 1));
+        sfree(host);
     }
     if (!strcmp(p, "-m")) {
        char *filename, *command;
@@ -316,8 +328,7 @@ int cmdline_process_param(char *p, char *value, int need_save, Config *cfg)
        command = NULL;
        fp = fopen(filename, "r");
        if (!fp) {
-           cmdline_error("unable to open command "
-                         "file \"%s\"", filename);
+           cmdline_error("unable to open command file \"%s\"", filename);
            return ret;
        }
        do {
@@ -331,16 +342,17 @@ int cmdline_process_param(char *p, char *value, int need_save, Config *cfg)
            }
            command[cmdlen++] = d;
        } while (c != EOF);
-       cfg->remote_cmd_ptr = command;
-       cfg->remote_cmd_ptr2 = NULL;
-       cfg->nopty = TRUE;      /* command => no terminal */
        fclose(fp);
+       conf_set_str(conf, CONF_remote_cmd, command);
+       conf_set_str(conf, CONF_remote_cmd2, "");
+       conf_set_int(conf, CONF_nopty, TRUE);   /* command => no terminal */
+       sfree(command);
     }
     if (!strcmp(p, "-P")) {
        RETURN(2);
        UNAVAILABLE_IN(TOOLTYPE_NONNETWORK);
        SAVEABLE(1);                   /* lower priority than -ssh,-telnet */
-       cfg->port = atoi(value);
+       conf_set_int(conf, CONF_port, atoi(value));
     }
     if (!strcmp(p, "-pw")) {
        RETURN(2);
@@ -348,7 +360,7 @@ int cmdline_process_param(char *p, char *value, int need_save, Config *cfg)
        SAVEABLE(1);
        /* We delay evaluating this until after the protocol is decided,
         * so that we can warn if it's of no use with the selected protocol */
-       if (cfg->protocol != PROT_SSH)
+       if (conf_get_int(conf, CONF_protocol) != PROT_SSH)
            cmdline_error("the -pw option can only be used with the "
                          "SSH protocol");
        else {
@@ -356,7 +368,7 @@ int cmdline_process_param(char *p, char *value, int need_save, Config *cfg)
            /* Assuming that `value' is directly from argv, make a good faith
             * attempt to trample it, to stop it showing up in `ps' output
             * on Unix-like systems. Not guaranteed, of course. */
-           memset(value, 0, strlen(value));
+           smemclr(value, strlen(value));
        }
     }
 
@@ -365,105 +377,108 @@ int cmdline_process_param(char *p, char *value, int need_save, Config *cfg)
        RETURN(1);
        UNAVAILABLE_IN(TOOLTYPE_NONNETWORK);
        SAVEABLE(0);
-       cfg->tryagent = TRUE;
+       conf_set_int(conf, CONF_tryagent, TRUE);
     }
     if (!strcmp(p, "-noagent") || !strcmp(p, "-nopagent") ||
        !strcmp(p, "-nopageant")) {
        RETURN(1);
        UNAVAILABLE_IN(TOOLTYPE_NONNETWORK);
        SAVEABLE(0);
-       cfg->tryagent = FALSE;
+       conf_set_int(conf, CONF_tryagent, FALSE);
     }
 
     if (!strcmp(p, "-A")) {
        RETURN(1);
        UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
        SAVEABLE(0);
-       cfg->agentfwd = 1;
+       conf_set_int(conf, CONF_agentfwd, 1);
     }
     if (!strcmp(p, "-a")) {
        RETURN(1);
        UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
        SAVEABLE(0);
-       cfg->agentfwd = 0;
+       conf_set_int(conf, CONF_agentfwd, 0);
     }
 
     if (!strcmp(p, "-X")) {
        RETURN(1);
        UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
        SAVEABLE(0);
-       cfg->x11_forward = 1;
+       conf_set_int(conf, CONF_x11_forward, 1);
     }
     if (!strcmp(p, "-x")) {
        RETURN(1);
        UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
        SAVEABLE(0);
-       cfg->x11_forward = 0;
+       conf_set_int(conf, CONF_x11_forward, 0);
     }
 
     if (!strcmp(p, "-t")) {
        RETURN(1);
        UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
        SAVEABLE(1);    /* lower priority than -m */
-       cfg->nopty = 0;
+       conf_set_int(conf, CONF_nopty, 0);
     }
     if (!strcmp(p, "-T")) {
        RETURN(1);
        UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
        SAVEABLE(1);
-       cfg->nopty = 1;
+       conf_set_int(conf, CONF_nopty, 1);
     }
 
     if (!strcmp(p, "-N")) {
        RETURN(1);
        UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
        SAVEABLE(0);
-       cfg->ssh_no_shell = 1;
+       conf_set_int(conf, CONF_ssh_no_shell, 1);
     }
 
     if (!strcmp(p, "-C")) {
        RETURN(1);
        UNAVAILABLE_IN(TOOLTYPE_NONNETWORK);
        SAVEABLE(0);
-       cfg->compression = 1;
+       conf_set_int(conf, CONF_compression, 1);
     }
 
     if (!strcmp(p, "-1")) {
        RETURN(1);
        UNAVAILABLE_IN(TOOLTYPE_NONNETWORK);
        SAVEABLE(0);
-       cfg->sshprot = 0;              /* ssh protocol 1 only */
+       conf_set_int(conf, CONF_sshprot, 0);   /* ssh protocol 1 only */
     }
     if (!strcmp(p, "-2")) {
        RETURN(1);
        UNAVAILABLE_IN(TOOLTYPE_NONNETWORK);
        SAVEABLE(0);
-       cfg->sshprot = 3;              /* ssh protocol 2 only */
+       conf_set_int(conf, CONF_sshprot, 3);   /* ssh protocol 2 only */
     }
 
     if (!strcmp(p, "-i")) {
+       Filename *fn;
        RETURN(2);
        UNAVAILABLE_IN(TOOLTYPE_NONNETWORK);
        SAVEABLE(0);
-       cfg->keyfile = filename_from_str(value);
+       fn = filename_from_str(value);
+       conf_set_filename(conf, CONF_keyfile, fn);
+        filename_free(fn);
     }
 
     if (!strcmp(p, "-4") || !strcmp(p, "-ipv4")) {
        RETURN(1);
        SAVEABLE(1);
-       cfg->addressfamily = ADDRTYPE_IPV4;
+       conf_set_int(conf, CONF_addressfamily, ADDRTYPE_IPV4);
     }
     if (!strcmp(p, "-6") || !strcmp(p, "-ipv6")) {
        RETURN(1);
        SAVEABLE(1);
-       cfg->addressfamily = ADDRTYPE_IPV6;
+       conf_set_int(conf, CONF_addressfamily, ADDRTYPE_IPV6);
     }
     if (!strcmp(p, "-sercfg")) {
        char* nextitem;
        RETURN(2);
        UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
        SAVEABLE(1);
-       if (cfg->protocol != PROT_SERIAL)
+       if (conf_get_int(conf, CONF_protocol) != PROT_SERIAL)
            cmdline_error("the -sercfg option can only be used with the "
                          "serial protocol");
        /* Value[0] contains one or more , separated values, like 19200,8,n,1,X */
@@ -482,55 +497,45 @@ int cmdline_process_param(char *p, char *value, int need_save, Config *cfg)
            if (length == 1) {
                switch (*nextitem) {
                  case '1':
-                   cfg->serstopbits = 2;
-                   break;
                  case '2':
-                   cfg->serstopbits = 4;
+                   conf_set_int(conf, CONF_serstopbits, 2 * (*nextitem-'0'));
                    break;
 
                  case '5':
-                   cfg->serdatabits = 5;
-                   break;
                  case '6':
-                   cfg->serdatabits = 6;
-                   break;
                  case '7':
-                   cfg->serdatabits = 7;
-                   break;
                  case '8':
-                   cfg->serdatabits = 8;
-                   break;
                  case '9':
-                   cfg->serdatabits = 9;
+                   conf_set_int(conf, CONF_serdatabits, *nextitem-'0');
                    break;
 
                  case 'n':
-                   cfg->serparity = SER_PAR_NONE;
+                   conf_set_int(conf, CONF_serparity, SER_PAR_NONE);
                    break;
                  case 'o':
-                   cfg->serparity = SER_PAR_ODD;
+                   conf_set_int(conf, CONF_serparity, SER_PAR_ODD);
                    break;
                  case 'e':
-                   cfg->serparity = SER_PAR_EVEN;
+                   conf_set_int(conf, CONF_serparity, SER_PAR_EVEN);
                    break;
                  case 'm':
-                   cfg->serparity = SER_PAR_MARK;
+                   conf_set_int(conf, CONF_serparity, SER_PAR_MARK);
                    break;
                  case 's':
-                   cfg->serparity = SER_PAR_SPACE;
+                   conf_set_int(conf, CONF_serparity, SER_PAR_SPACE);
                    break;
 
                  case 'N':
-                   cfg->serflow = SER_FLOW_NONE;
+                   conf_set_int(conf, CONF_serflow, SER_FLOW_NONE);
                    break;
                  case 'X':
-                   cfg->serflow = SER_FLOW_XONXOFF;
+                   conf_set_int(conf, CONF_serflow, SER_FLOW_XONXOFF);
                    break;
                  case 'R':
-                   cfg->serflow = SER_FLOW_RTSCTS;
+                   conf_set_int(conf, CONF_serflow, SER_FLOW_RTSCTS);
                    break;
                  case 'D':
-                   cfg->serflow = SER_FLOW_DSRDTR;
+                   conf_set_int(conf, CONF_serflow, SER_FLOW_DSRDTR);
                    break;
 
                  default:
@@ -539,11 +544,11 @@ int cmdline_process_param(char *p, char *value, int need_save, Config *cfg)
                }
            } else if (length == 3 && !strncmp(nextitem,"1.5",3)) {
                /* Messy special case */
-               cfg->serstopbits = 3;
+               conf_set_int(conf, CONF_serstopbits, 3);
            } else {
                int serspeed = atoi(nextitem);
                if (serspeed != 0) {
-                   cfg->serspeed = serspeed;
+                   conf_set_int(conf, CONF_serspeed, serspeed);
                } else {
                    cmdline_error("Unrecognised suboption \"-sercfg %s\"",
                                  nextitem);
@@ -555,11 +560,11 @@ int cmdline_process_param(char *p, char *value, int need_save, Config *cfg)
     return ret;                               /* unrecognised */
 }
 
-void cmdline_run_saved(Config *cfg)
+void cmdline_run_saved(Conf *conf)
 {
     int pri, i;
     for (pri = 0; pri < NPRIORITIES; pri++)
        for (i = 0; i < saves[pri].nsaved; i++)
            cmdline_process_param(saves[pri].params[i].p,
-                                 saves[pri].params[i].value, 0, cfg);
+                                 saves[pri].params[i].value, 0, conf);
 }