Subversion Repositories planix.SVN

#include "headers.h"

static SmbService local = {
        .name = "local",
        .type = "A:",
        .stype = STYPE_DISKTREE,
        .remark = "The standard namespace",
        .path = "/n/local",
};

static SmbService ipc = {
        .name = "IPC$",
        .type = "IPC",
        .stype = STYPE_IPC,
        .remark = "The aquarela IPC service",
        .path = nil,
        .next = &local,
};

SmbService *smbservices = &ipc;

static int
run9fs(char *arg)
{
        int rv;
        Waitmsg *w;

        rv = fork();
        if (rv < 0)
                return -1;
        if (rv == 0) {
                char *argv[3];
                argv[0] = "/rc/bin/9fs";
                argv[1] = arg;
                argv[2] = 0;
                exec(argv[0], argv);
                exits("failed to exec 9fs");
        }
        for (;;) {
                w = wait();
                if (w == nil)
                        return -1;
                if (w->pid == rv)
                        break;
                free(w);
        }
        if (w->msg[0]) {
                smblogprint(SMB_COM_TREE_CONNECT_ANDX, "smbservicefind: %s\n", w->msg);
                free(w);
                return -1;
        }
        free(w);
        smblogprint(SMB_COM_TREE_CONNECT_ANDX, "smbservicefind: 9fs %s executed successfully\n", arg);
        return 0;
}

SmbService *
smbservicefind(SmbSession *s, char *uncpath, char *servicetype, uchar *errclassp, ushort *errorp)
{
        char *p, *q;
        if ((uncpath[0] == '/' && uncpath[1] == '/')
        ||  (uncpath[0] == '\\' && uncpath[1] == '\\')) {
                /* check that the server name matches mine */
                p = uncpath + 2;
                q = strchr(p, uncpath[0]);
                if (q == nil)
                        goto bad;
                *q++ = 0;
//              if (cistrcmp(p, smbglobals.serverinfo.name) != 0)
//                      goto bad;
        }
        else
                q = uncpath + 1;
        if (strcmp(servicetype, "?????") == 0 && strcmp(q, "IPC$") == 0)
                return &ipc;
        if ((strcmp(servicetype, "?????") == 0 || strcmp(servicetype, "A:") == 0)) {
                SmbService *serv;
                if (cistrcmp(q, local.name) == 0)
                        return &local;
                /* try the session specific list */
                for (serv = s->serv; serv; serv = serv->next)
                        if (cistrcmp(q, serv->name) == 0)
                                return serv;
                /* exec "9fs q" in case it invents /n/q */
                for (p = q; *p; p++)
                        if (*p >= 'A' && *p <= 'Z')
                                *p = tolower(*p);
                if (run9fs(q) >= 0) {
                        serv = smbemallocz(sizeof(*serv), 1);
                        serv->name = smbestrdup(q);
                        serv->type = smbestrdup("A:");
                        serv->stype = STYPE_DISKTREE;
                        smbstringprint(&serv->remark, "9fs %s", q);
                        smbstringprint(&serv->path, "/n/%s", q);
                        serv->next = s->serv;
                        s->serv = serv;
                        return serv;
                }
        }
bad:
        *errclassp = ERRDOS;
        *errorp = ERRbadpath;
        return nil;
}

void
smbserviceget(SmbService *serv)
{
        incref(serv);
}

void
smbserviceput(SmbService *serv)
{
        decref(serv);
}