Attachment 301576 Details for Bug 435978 – dhcptest.c

dhcptest.c

dhcptest.c (text/plain), 3.43 KB, created by David Cantrell on 2008-04-07 23:33:53 UTC

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Creator: David Cantrell

Created: 2008-04-07 23:33:53 UTC

Size: 3.43 KB

patch

obsolete

>/* Test libdhcp and watch it crash. */
>/* 07-Apr-2008                      */
>/* dcantrell@redhat.com             */
>
>#include <stdio.h>
>#include <stdlib.h>
>#include <string.h>
>#include <sys/shm.h>
>#include <sys/types.h>
>#include <sys/wait.h>
>#include <errno.h>
>#include <unistd.h>
>
>#include <libdhcp/ip_addr.h>
>#include <libdhcp/pump.h>
>
>void netlogger(void *arg, int priority, char *fmt, va_list va) {
>    char *buf = NULL;
>    if (vasprintf(&buf, fmt, va) != -1) {
>        printf("%s\n", buf);
>        free(buf);
>    } else {
>        printf("unable to log network message\n");
>    }
>    return;
>}
>
>int main(int argc, char **argv) {
>    char *r = NULL;
>    char *class = "anaconda";
>    char buf[48];
>    time_t timeout = 45;
>    struct pumpNetIntf *pumpdev = NULL;
>    DHCP_Preference pref = DHCPv6_DISABLE_RESOLVER | DHCPv4_DISABLE_HOSTNAME_SET;
>    int status, shmpump = -1, i;
>    pid_t pid;
>    key_t key;
>    ip_addr_t *tip;
>
>    if (argc == 1) {
>        fprintf(stderr, "Usage: %s [interface]\n", basename(argv[0]));
>        fprintf(stderr, "Example: %s eth1\n", basename(argv[0]));
>        fflush(stderr);
>        return EXIT_FAILURE;
>    }
>
>    if ((key = ftok("/tmp", 'A')) == -1) {
>        fprintf(stderr, "%s\n", strerror(errno));
>        fflush(stderr);
>        return EXIT_FAILURE;
>    }
>
>    shmpump = shmget(key, 4096, IPC_CREAT | IPC_EXCL | 0600);
>    if (shmpump == -1) {
>        fprintf(stderr, "%s\n", strerror(errno));
>        fflush(stderr);
>        return EXIT_FAILURE;
>    }
>
>    pumpdev = (struct pumpNetIntf *) shmat(shmpump, (void *) pumpdev, SHM_RND);
>    if (((void *) pumpdev) == ((void *) -1)) {
>        fprintf(stderr, "%s\n", strerror(errno));
>        fflush(stderr);
>        return EXIT_FAILURE;
>    }
>
>    memset(pumpdev->device, '\0', IF_NAMESIZE);
>    strncpy(pumpdev->device, argv[1], IF_NAMESIZE);
>
>    pid = fork();
>    if (pid == 0) {
>        r = pumpDhcpClassRun(pumpdev, NULL, class, pref, 0, timeout, netlogger, LOG_DEBUG);
>        if (r != NULL) {
>            fprintf(stderr, "r: %s\n", r);
>            fflush(stderr);
>            exit(1);
>        }
>
>        if (pumpdev->dhcp_nic) {
>            i = dhcp_nic_configure(pumpdev->dhcp_nic);
>
>            dhcp_nic_free(pumpdev->dhcp_nic);
>            pumpdev->dhcp_nic = NULL;
>
>            if (i < 0) {
>                fprintf(stderr, "i: %d\n", i);
>                fflush(stderr);
>                exit(2);
>            }
>        }
>
>        r = pumpSetupInterface(pumpdev);
>        if (r != NULL) {
>            fprintf(stderr, "r: %s\n", r);
>            fflush(stderr);
>            exit(3);
>        }
>
>        exit(0);
>    } else if (pid == -1) {
>        return EXIT_FAILURE;
>    } else {
>        if (waitpid(pid, &status, 0) == -1) {
>            fprintf(stderr, "waitpid() failure\n");
>            fflush(stderr);
>            return EXIT_FAILURE;
>        }
>
>        if (pumpdev->numDns) {
>            tip = &(pumpdev->dnsServers[0]);
>            inet_ntop(tip->sa_family, IP_ADDR(tip), buf, IP_STRLEN(tip));
>        }
>
>        if (shmdt(pumpdev) == -1) {
>            fprintf(stderr, "%s\n", strerror(errno));
>            fflush(stderr);
>            return EXIT_FAILURE;
>        }
>
>        if (shmctl(shmpump, IPC_RMID, 0) == -1) {
>            fprintf(stderr, "%s\n", strerror(errno));
>            fflush(stderr);
>            return EXIT_FAILURE;
>        }
>
>        printf("ns: |%s|\n", buf);
>    }
>
>    return EXIT_SUCCESS;
>}
>
>/* gcc -Wall -Werror -I/usr/include/libdhcp -D_GNU_SOURCE -g -o dhcptest dhcptest.c -ldhcp */

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Attachments on bug 435978: 296779 | 298612 | 301575 | 301576 | 301584 | 301585 | 301618 | 301619