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path: root/qemu/stubs/uuid.c
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#include "qemu/osdep.h"
#include "qemu-common.h"
#include "sysemu/sysemu.h"
#include "qmp-commands.h"

UuidInfo *qmp_query_uuid(Error **errp)
{
    UuidInfo *info = g_malloc0(sizeof(*info));

    info->UUID = g_strdup(UUID_NONE);
    return info;
}
8800; font-weight: bold } /* Keyword.Declaration */ .highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */ .highlight .kp { color: #008800 } /* Keyword.Pseudo */ .highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */ .highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */ .highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */ .highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */ .highlight .na { color: #336699 } /* Name.Attribute */ .highlight .nb { color: #003388 } /* Name.Builtin */ .highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */ .highlight .no { color: #003366; font-weight: bold } /* Name.Constant */ .highlight .nd { color: #555555 } /* Name.Decorator */ .highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */ .highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */ .highlight .nl { color: #336699; font-style: italic } /* Name.Label */ .highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */ .highlight .py { color: #336699; font-weight: bold } /* Name.Property */ .highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */ .highlight .nv { color: #336699 } /* Name.Variable */ .highlight .ow { color: #008800 } /* Operator.Word */ .highlight .w { color: #bbbbbb } /* Text.Whitespace */ .highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */ .highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */ .highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */ .highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */ .highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */ .highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */ .highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */ .highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */ .highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */ .highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */ .highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */ .highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */ .highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */ .highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */ } 
/* Code for loading BSD executables.  Mostly linux kernel code.  */

#include "qemu/osdep.h"

#include "qemu.h"

#define TARGET_NGROUPS 32

/* ??? This should really be somewhere else.  */
abi_long memcpy_to_target(abi_ulong dest, const void *src,
                          unsigned long len)
{
    void *host_ptr;

    host_ptr = lock_user(VERIFY_WRITE, dest, len, 0);
    if (!host_ptr)
        return -TARGET_EFAULT;
    memcpy(host_ptr, src, len);
    unlock_user(host_ptr, dest, 1);
    return 0;
}

static int in_group_p(gid_t g)
{
    /* return TRUE if we're in the specified group, FALSE otherwise */
    int         ngroup;
    int         i;
    gid_t       grouplist[TARGET_NGROUPS];

    ngroup = getgroups(TARGET_NGROUPS, grouplist);
    for(i = 0; i < ngroup; i++) {
        if(grouplist[i] == g) {
            return 1;
        }
    }
    return 0;
}

static int count(char ** vec)
{
    int         i;

    for(i = 0; *vec; i++) {
        vec++;
    }

    return(i);
}

static int prepare_binprm(struct linux_binprm *bprm)
{
    struct stat         st;
    int mode;
    int retval, id_change;

    if(fstat(bprm->fd, &st) < 0) {
        return(-errno);
    }

    mode = st.st_mode;
    if(!S_ISREG(mode)) {        /* Must be regular file */
        return(-EACCES);
    }
    if(!(mode & 0111)) {        /* Must have at least one execute bit set */
        return(-EACCES);
    }

    bprm->e_uid = geteuid();
    bprm->e_gid = getegid();
    id_change = 0;

    /* Set-uid? */
    if(mode & S_ISUID) {
        bprm->e_uid = st.st_uid;
        if(bprm->e_uid != geteuid()) {
            id_change = 1;
        }
    }

    /* Set-gid? */
    /*
     * If setgid is set but no group execute bit then this
     * is a candidate for mandatory locking, not a setgid
     * executable.
     */
    if ((mode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP)) {
        bprm->e_gid = st.st_gid;
        if (!in_group_p(bprm->e_gid)) {
                id_change = 1;
        }
    }

    memset(bprm->buf, 0, sizeof(bprm->buf));
    retval = lseek(bprm->fd, 0L, SEEK_SET);
    if(retval >= 0) {
        retval = read(bprm->fd, bprm->buf, 128);
    }
    if(retval < 0) {
        perror("prepare_binprm");
        exit(-1);
        /* return(-errno); */
    }
    else {
        return(retval);
    }
}

/* Construct the envp and argv tables on the target stack.  */
abi_ulong loader_build_argptr(int envc, int argc, abi_ulong sp,
                              abi_ulong stringp, int push_ptr)
{
    int n = sizeof(abi_ulong);
    abi_ulong envp;
    abi_ulong argv;

    sp -= (envc + 1) * n;
    envp = sp;
    sp -= (argc + 1) * n;
    argv = sp;
    if (push_ptr) {
        /* FIXME - handle put_user() failures */
        sp -= n;
        put_user_ual(envp, sp);
        sp -= n;
        put_user_ual(argv, sp);
    }
    sp -= n;
    /* FIXME - handle put_user() failures */
    put_user_ual(argc, sp);

    while (argc-- > 0) {
        /* FIXME - handle put_user() failures */
        put_user_ual(stringp, argv);
        argv += n;
        stringp += target_strlen(stringp) + 1;
    }
    /* FIXME - handle put_user() failures */
    put_user_ual(0, argv);
    while (envc-- > 0) {
        /* FIXME - handle put_user() failures */
        put_user_ual(stringp, envp);
        envp += n;
        stringp += target_strlen(stringp) + 1;
    }
    /* FIXME - handle put_user() failures */
    put_user_ual(0, envp);

    return sp;
}

int loader_exec(const char * filename, char ** argv, char ** envp,
             struct target_pt_regs * regs, struct image_info *infop)
{
    struct linux_binprm bprm;
    int retval;
    int i;

    bprm.p = TARGET_PAGE_SIZE*MAX_ARG_PAGES-sizeof(unsigned int);
    for (i=0 ; i<MAX_ARG_PAGES ; i++)       /* clear page-table */
            bprm.page[i] = NULL;
    retval = open(filename, O_RDONLY);
    if (retval < 0)
        return retval;
    bprm.fd = retval;
    bprm.filename = (char *)filename;
    bprm.argc = count(argv);
    bprm.argv = argv;
    bprm.envc = count(envp);
    bprm.envp = envp;

    retval = prepare_binprm(&bprm);

    if(retval>=0) {
        if (bprm.buf[0] == 0x7f
                && bprm.buf[1] == 'E'
                && bprm.buf[2] == 'L'
                && bprm.buf[3] == 'F') {
            retval = load_elf_binary(&bprm,regs,infop);
        } else {
            fprintf(stderr, "Unknown binary format\n");
            return -1;
        }
    }

    if(retval>=0) {
        /* success.  Initialize important registers */
        do_init_thread(regs, infop);
        return retval;
    }

    /* Something went wrong, return the inode and free the argument pages*/
    for (i=0 ; i<MAX_ARG_PAGES ; i++) {
        g_free(bprm.page[i]);
    }
    return(retval);
}