Attachment 15282 Details for Bug 14025 – Proof of concept C code using libsmbclient

Proof of concept C code using libsmbclient

libsmbclient-notify-test.c (text/x-csrc), 3.11 KB, created by Jonathon Reinhart on 2019-07-03 16:36:41 UTC

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Creator: Jonathon Reinhart

Created: 2019-07-03 16:36:41 UTC

Size: 3.11 KB

patch

obsolete

>#define _GNU_SOURCE
>#include <stdio.h>
>#include <stdlib.h>
>#include <error.h>
>#include <errno.h>
>#include <samba-4.0/libsmbclient.h>
>
>#define fail_errno(fmt, ...)    error(2, errno, fmt, ##__VA_ARGS__)
>#define debug(fmt, ...)         fprintf(stderr, fmt, ##__VA_ARGS__)
>
>#define DEBUG_LEVEL     12
>
>#define NOTIFY_ALL  (\
>    SMBC_NOTIFY_CHANGE_FILE_NAME    | \
>    SMBC_NOTIFY_CHANGE_DIR_NAME     | \
>    SMBC_NOTIFY_CHANGE_ATTRIBUTES   | \
>    SMBC_NOTIFY_CHANGE_SIZE         | \
>    SMBC_NOTIFY_CHANGE_LAST_WRITE   | \
>    SMBC_NOTIFY_CHANGE_LAST_ACCESS  | \
>    SMBC_NOTIFY_CHANGE_CREATION     | \
>    SMBC_NOTIFY_CHANGE_EA           | \
>    SMBC_NOTIFY_CHANGE_SECURITY     | \
>    SMBC_NOTIFY_CHANGE_STREAM_NAME  | \
>    SMBC_NOTIFY_CHANGE_STREAM_SIZE  | \
>    SMBC_NOTIFY_CHANGE_STREAM_WRITE )
>
>
>static const char *action_name(int a)
>{
>    static char buf[80];
>    switch (a) {
>        case SMBC_NOTIFY_ACTION_ADDED:              return "added";
>        case SMBC_NOTIFY_ACTION_REMOVED:            return "removed";
>        case SMBC_NOTIFY_ACTION_MODIFIED:           return "modified";
>        case SMBC_NOTIFY_ACTION_OLD_NAME:           return "old name";
>        case SMBC_NOTIFY_ACTION_NEW_NAME:           return "new name";
>        case SMBC_NOTIFY_ACTION_ADDED_STREAM:       return "added stream";
>        case SMBC_NOTIFY_ACTION_REMOVED_STREAM:     return "removed stream";
>        case SMBC_NOTIFY_ACTION_MODIFIED_STREAM:    return "modified stream";
>        default:
>            snprintf(buf, sizeof(buf), "??? (%d)", a);
>            return buf;
>    }
>}
>
>static int notify_callback(
>	const struct smbc_notify_callback_action *actions,
>	size_t num_actions, void *private_data)
>{
>    size_t i;
>
>    printf("Notify callback:\n");
>    for (i=0; i<num_actions; i++) {
>        const struct smbc_notify_callback_action *act = &actions[i];
>        printf("  %s %s\n", action_name(act->action), act->filename);
>    }
>
>    return 0;
>}
>
>int main(int argc, char **argv)
>{
>    SMBCCTX *ctx = NULL;
>    SMBCFILE *dh = NULL;
>    const char *url;
>    int rc;
>
>    if (argc < 2) {
>        fprintf(stderr, "Usage: %s URL\n", program_invocation_short_name);
>        exit(1);
>    }
>    url = argv[1];
>
>
>    // Setup context
>    ctx = smbc_new_context();
>    if (!ctx)
>        fail_errno("smbc_new_context() failed");
>
>    if (!smbc_init_context(ctx))
>        fail_errno("smbc_init_context() failed");
>
>    smbc_setOptionUseKerberos(ctx, 1);
>    smbc_setOptionFallbackAfterKerberos(ctx, 0);
>    smbc_setDebug(ctx, DEBUG_LEVEL);
>
>
>    // Open directory
>    dh = smbc_getFunctionOpendir(ctx)(ctx, url);
>    if (!dh)
>        fail_errno("Failed to open directory");
>    debug("Opened directory %s\n", url);
>
>
>    // Notify
>    smbc_bool recursive = 1;
>    uint32_t filter = NOTIFY_ALL;
>    unsigned timeout = 5000;
>
>    rc = smbc_getFunctionNotify(ctx)(
>            ctx, dh, recursive, filter, timeout, notify_callback, NULL);
>    if (rc)
>        fail_errno("Notify failed (%d)", errno);
>
>
>    // Close up shop
>    smbc_getFunctionClosedir(ctx)(ctx, dh);
>    dh = NULL;
>
>    if (smbc_free_context(ctx, 1))
>        error(0, errno, "smbc_free_context() failed");
>    ctx = NULL;
>
>    return 0;
>}

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Attachments on bug 14025: 15282 | 15283