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Coded for OpenBSD

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This commit is contained in:
Michiel Broek 2005-08-31 20:16:52 +00:00
parent b519f6c57f
commit dd23185130
1 changed files with 33 additions and 13 deletions
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46
unix/mbuseradd.c
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@ -45,6 +45,10 @@
#include <syslog.h>
#include <time.h>
#if defined(__OpenBSD__)
#include <sys/sysctl.h>
#endif
#include "xmalloc.h"
#include "mbuseradd.h"
@ -174,7 +178,15 @@ int main(int argc, char *argv[])
struct passwd *pwent, *pwuser;
struct group *gr;
pid_t ppid;
#if defined(__OpenBSD__)
#define ARG_SIZE 60
static char **s, buf[ARG_SIZE];
size_t siz = 100;
char **p;
int mib[4];
#else
FILE *fp;
#endif
if (argc != 5)
Help();
@ -221,29 +233,37 @@ int main(int argc, char *argv[])
* Find out the name of our parent.
*/
temp = calloc(PATH_MAX, sizeof(char));
#if defined(__OpenBSD__)
#define ARG_SIZE 60
static char **s, buf[ARG_SIZE];
size_t siz = 100;
char **p;
int mib[4];
ppid = getppid();
#if defined(__OpenBSD__)
/*
* Systems that use sysctl to get process information
*/
mib[0] = CTL_KERN;
mib[1] = KERN_PROC_ARGS;
mib[2] = ppid;
mib[3] = KERN_PROC_ARGV;
if (sysctl(mib, 4, s, &siz, NULL, 0) == 0)
break;
if ((s = realloc(s, siz)) == NULL) {
fprintf(stderr, "mbuseradd: no memory\n");
exit(1);
}
if (sysctl(mib, 4, s, &siz, NULL, 0) == -1) {
perror("");
fprintf(stderr, "mbuseradd: sysctl call failed\n");
exit(1);
}
buf[0] = '\0';
s = malloc(size, sizeof(char *));
for (p = s; *p != NULL; p++) {
if (p != s)
strlcat(buf, " ", sizeof(buf));
strlcat(buf, *p, sizeof(buf));
}
fprintf("%s\n", buf);
printf("%s\n", buf);
parent = xstrcpy(buf);
#else
ppid = getppid();
/*
* Systems with /proc filesystem like Linux, FreeBSD
*/
snprintf(temp, PATH_MAX, "/proc/%d/cmdline", ppid);
if ((fp = fopen(temp, "r")) == NULL) {
fprintf(stderr, "mbuseradd: can't read %s\n", temp);
@ -252,14 +272,14 @@ int main(int argc, char *argv[])
fgets(temp, PATH_MAX-1, fp);
fclose(fp);
parent = xstrcpy(Basename(temp));
#endif
if (strcmp((char *)"-mbnewusr", parent)) {
fprintf(stderr, "mbpasswd: illegal parent\n");
fprintf(stderr, "mbuseradd: illegal parent\n");
free(temp);
free(parent);
exit(1);
}
#endif
memset(args, 0, sizeof(args));