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platform_system_core
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lsof: Print process user name. 

Change-Id: I6e96faba894ad8c2eeb06e514d332c8ab2ec52f0
This commit is contained in:
Jeff Brown 2011-06-29 15:00:39 -07:00
parent ed6b39cc77
commit f96993eb4e
1 changed files with 29 additions and 7 deletions
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36
toolbox/lsof.c
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@ -37,11 +37,16 @@
#include <stdlib.h>
#include <unistd.h>
#include <pwd.h>
#include <sys/stat.h>
#define BUF_MAX 1024
#define CMD_DISPLAY_MAX 10
#define CMD_DISPLAY_MAX (9 + 1)
#define USER_DISPLAY_MAX (10 + 1)
struct pid_info_t {
pid_t pid;
char user[USER_DISPLAY_MAX];
char cmdline[CMD_DISPLAY_MAX];
@ -82,7 +87,8 @@ void print_type(char *type, struct pid_info_t* info)
if (!strcmp(link_dest, "/"))
goto out;
printf("%-9s %5d %10s %4s %9s %18s %9s %10s %s\n", info->cmdline, info->pid, "???", type,
printf("%-9s %5d %10s %4s %9s %18s %9s %10s %s\n",
info->cmdline, info->pid, info->user, type,
"???", "???", "???", "???", link_dest);
out:
@ -113,7 +119,8 @@ void print_maps(struct pid_info_t* info)
if (inode == 0 || !strcmp(device, "00:00"))
continue;
printf("%-9s %5d %10s %4s %9s %18s %9zd %10ld %s\n", info->cmdline, info->pid, "???", "mem",
printf("%-9s %5d %10s %4s %9s %18s %9zd %10ld %s\n",
info->cmdline, info->pid, info->user, "mem",
"???", device, offset, inode, file);
}
@ -136,7 +143,8 @@ void print_fds(struct pid_info_t* info)
if (dir == NULL) {
char msg[BUF_MAX];
snprintf(msg, sizeof(msg), "%s (opendir: %s)", info->path, strerror(errno));
printf("%-9s %5d %10s %4s %9s %18s %9s %10s %s\n", info->cmdline, info->pid, "???", "FDS",
printf("%-9s %5d %10s %4s %9s %18s %9s %10s %s\n",
info->cmdline, info->pid, info->user, "FDS",
"", "", "", "", msg);
goto out;
}
@ -159,12 +167,26 @@ void lsof_dumpinfo(pid_t pid)
{
int fd;
struct pid_info_t info;
struct stat pidstat;
struct passwd *pw;
info.pid = pid;
snprintf(info.path, sizeof(info.path), "/proc/%d/", pid);
info.parent_length = strlen(info.path);
// Get the UID by calling stat on the proc/pid directory.
if (!stat(info.path, &pidstat)) {
pw = getpwuid(pidstat.st_uid);
if (pw) {
strncpy(info.user, pw->pw_name, USER_DISPLAY_MAX - 1);
info.user[USER_DISPLAY_MAX - 1] = '\0';
} else {
snprintf(info.user, USER_DISPLAY_MAX, "%d", (int)pidstat.st_uid);
}
} else {
strcpy(info.user, "???");
}
// Read the command line information; each argument is terminated with NULL.
strncat(info.path, "cmdline", sizeof(info.path));
fd = open(info.path, O_RDONLY);
@ -219,7 +241,7 @@ int lsof_main(int argc, char *argv[])
continue;
// Only inspect directories that are PID numbers
pid = strtol(de->d_name, &endptr, 10);
pid = strtol(de->d_name, &endptr, 10);
if (*endptr != '\0')
continue;