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d23f9ba0f

Eric Andersen
Eric Andersen
1999-10-20
SUCCESS Duration: 3s

Subject

Made ps work. Fixed some stuff.

Binary

No binary (build failed)

Architecture & Compiler Flags

Architecture: x86_64-linux-gnu Compiler: gcc (Debian 14.2.0-19) 14.2.0

—

Build Log

(log yok)

Commit Diff GitHub →

Makefile +1 -1busybox.def.h +1 -1chmod_chown_chgrp.c +0 -50init.c +0 -13init/init.c +0 -13internal.h +6 -0procps/ps.c +100 -18ps.c +100 -18utility.c +101 -0
Makefile+1 -1
@@ -5,7 +5,7 @@ BUILDTIME=$(shell date "+%Y%m%d-%H%M")
# Comment out the following to make a debuggable build
# Leave this off for production use.
-DODEBUG=true
+#DODEBUG=true
#This will choke on a non-debian system
ARCH=`uname -m | sed -e 's/i.86/i386/' | sed -e 's/sparc.*/sparc/'`
busybox.def.h+1 -1
@@ -21,7 +21,7 @@
#define BB_GREP
#define BB_HALT
#define BB_INIT
-//#define BB_KILL // Supplied by ash
+#define BB_KILL
//#define BB_LENGTH
#define BB_LN
#define BB_LOADFONT
chmod_chown_chgrp.c+0 -50
@@ -48,56 +48,6 @@ static const char chmod_usage[] = "[-R] MODE[,MODE]... FILE...\n"
"\t-R\tchange files and directories recursively.\n";
-uid_t my_getid(const char *filename, const char *name)
-{
- FILE *stream;
- char *rname, *start, *end, buf[128];
- uid_t rid;
-
- stream=fopen(filename,"r");
-
- while (fgets (buf, 128, stream) != NULL) {
- if (buf[0] == '#')
- continue;
-
- start = buf;
- end = strchr (start, ':');
- if (end == NULL)
- continue;
- *end = '\0';
- rname = start;
-
- start = end + 1;
- end = strchr (start, ':');
- if (end == NULL)
- continue;
-
- start = end + 1;
- rid = (uid_t) strtol (start, &end, 10);
- if (end == start)
- continue;
-
- if (name) {
- if (0 == strcmp(rname, name))
- return( rid);
- }
- }
- fclose(stream);
- return (-1);
-}
-
-uid_t
-my_getpwnam(char *name)
-{
- return my_getid("/etc/passwd", name);
-}
-
-gid_t
-my_getgrnam(char *name)
-{
- return my_getid("/etc/group", name);
-}
-
static int fileAction(const char *fileName, struct stat* statbuf)
{
switch (whichApp) {
init.c+0 -13
@@ -194,19 +194,6 @@ set_free_pages()
fclose(f);
}
-static int
-get_kernel_revision()
-{
- FILE *f;
- int major=0, minor=0, patch=0;
-
- f = fopen("/proc/sys/kernel/osrelease","r");
- fscanf(f,"%d.%d.%d",&major,&minor,&patch);
- fclose(f);
- return major*65536 + minor*256 + patch;
-}
-
-
static void
shutdown_system(void)
{
init/init.c+0 -13
@@ -194,19 +194,6 @@ set_free_pages()
fclose(f);
}
-static int
-get_kernel_revision()
-{
- FILE *f;
- int major=0, minor=0, patch=0;
-
- f = fopen("/proc/sys/kernel/osrelease","r");
- fscanf(f,"%d.%d.%d",&major,&minor,&patch);
- fclose(f);
- return major*65536 + minor*256 + patch;
-}
-
-
static void
shutdown_system(void)
{
internal.h+6 -0
@@ -138,6 +138,12 @@ extern void createPath (const char *name, int mode);
extern int parse_mode( const char* s, mode_t* theMode);
extern volatile void usage(const char *usage);
+extern uid_t my_getpwnam(char *name);
+extern gid_t my_getgrnam(char *name);
+extern void my_getpwuid(char* name, uid_t uid);
+extern void my_getgrgid(char* group, gid_t gid);
+extern int get_kernel_revision();
+
#if defined (BB_FSCK_MINIX) || defined (BB_MKFS_MINIX)
procps/ps.c+100 -18
@@ -23,16 +23,82 @@
#include <unistd.h>
#include <dirent.h>
#include <stdio.h>
+#include <fcntl.h>
+#include <ctype.h>
+
+
+typedef struct proc_s {
+ char
+ cmd[16]; /* basename of executable file in call to exec(2) */
+ int
+ ruid, rgid, /* real only (sorry) */
+ pid, /* process id */
+ ppid; /* pid of parent process */
+ char
+ state; /* single-char code for process state (S=sleeping) */
+} proc_t;
+
+
+
+static int file2str(char *filename, char *ret, int cap)
+{
+ int fd, num_read;
+
+ if ( (fd = open(filename, O_RDONLY, 0)) == -1 ) return -1;
+ if ( (num_read = read(fd, ret, cap - 1)) <= 0 ) return -1;
+ ret[num_read] = 0;
+ close(fd);
+ return num_read;
+}
+
+
+static void parse_proc_status(char* S, proc_t* P)
+{
+ char* tmp;
+ memset(P->cmd, 0, sizeof P->cmd);
+ sscanf (S, "Name:\t%15c", P->cmd);
+ tmp = strchr(P->cmd,'\n');
+ if (tmp)
+ *tmp='\0';
+ tmp = strstr (S,"State");
+ sscanf (tmp, "State:\t%c", &P->state);
+
+ tmp = strstr (S,"Pid:");
+ if(tmp) sscanf (tmp,
+ "Pid:\t%d\n"
+ "PPid:\t%d\n",
+ &P->pid,
+ &P->ppid
+ );
+ else fprintf(stderr, "Internal error!\n");
+
+ /* For busybox, ignoring effecting, saved, etc */
+ tmp = strstr (S,"Uid:");
+ if(tmp) sscanf (tmp,
+ "Uid:\t%d", &P->ruid);
+ else fprintf(stderr, "Internal error!\n");
+
+ tmp = strstr (S,"Gid:");
+ if(tmp) sscanf (tmp,
+ "Gid:\t%d", &P->rgid);
+ else fprintf(stderr, "Internal error!\n");
+
+}
extern int ps_main(int argc, char **argv)
{
+ proc_t p;
DIR *dir;
FILE *file;
struct dirent *entry;
+ char path[32], sbuf[512];
+ char uidName[10]="";
+ char groupName[10]="";
+ int i, c;
if ( argc>1 && **(argv+1) == '-' ) {
- usage ("ps\n");
+ usage ("ps - report process status\nThis version of ps accepts no options.\n");
}
dir = opendir("/proc");
@@ -41,28 +107,44 @@ extern int ps_main(int argc, char **argv)
exit(FALSE);
}
- fprintf(stdout, "PID\tUid\tGid\tState\tName\n");
+ fprintf(stdout, "%5s %-8s %-3s %5s %s\n", "PID", "Uid", "Gid", "State", "Command");
while ((entry = readdir(dir)) != NULL) {
- char psStatus[NAME_MAX];
- char psName[NAME_MAX]="";
- char psState[NAME_MAX]="";
- int psPID=0, psPPID=0, psUid=0, psGid=0;
- //if (match(entry->d_name, "[0-9]") == FALSE)
- // continue;
- sprintf(psStatus, "/proc/%s/status", entry->d_name);
- file = fopen( psStatus, "r");
- if (file == NULL) {
+ uidName[0]='\0';
+ groupName[0]='\0';
+
+ if (! isdigit(*entry->d_name))
continue;
- //perror(psStatus);
- //exit( FALSE);
+ sprintf(path, "/proc/%s/status", entry->d_name);
+ if ((file2str(path, sbuf, sizeof sbuf)) != -1 ) {
+ parse_proc_status(sbuf, &p);
}
- fscanf(file, "Name:\t%s\nState:\t%s\nPid:\t%d\nPPid:\t%d\nUid:\t%d\nGid:\t%d",
- psName, psState, &psPID, &psPPID, &psUid, &psGid);
- fclose(file);
- fprintf(stdout, "%d\t%d\t%d\t%s\t%s\n", psPID, psUid, psGid, psState, psName);
+ /* Make some adjustments as needed */
+ my_getpwuid( uidName, p.ruid);
+ my_getgrgid( groupName, p.rgid);
+ if (*uidName == '\0')
+ sprintf( uidName, "%d", p.ruid);
+ if (*groupName == '\0')
+ sprintf( groupName, "%d", p.rgid);
+
+ fprintf(stdout, "%5d %-8s %-8s %c ", p.pid, uidName, groupName, p.state);
+ sprintf(path, "/proc/%s/cmdline", entry->d_name);
+ file = fopen(path, "r");
+ if (file == NULL) {
+ perror(path);
+ exit(FALSE);
+ }
+ i=0;
+ while (((c = getc(file)) != EOF) && (i < 53)) {
+ i++;
+ if (c == '\0')
+ c = ' ';
+ putc(c, stdout);
+ }
+ if (i==0)
+ fprintf(stdout, "%s", p.cmd);
+ fprintf(stdout, "\n");
}
closedir(dir);
exit(TRUE);
}
-
ps.c+100 -18
@@ -23,16 +23,82 @@
#include <unistd.h>
#include <dirent.h>
#include <stdio.h>
+#include <fcntl.h>
+#include <ctype.h>
+
+
+typedef struct proc_s {
+ char
+ cmd[16]; /* basename of executable file in call to exec(2) */
+ int
+ ruid, rgid, /* real only (sorry) */
+ pid, /* process id */
+ ppid; /* pid of parent process */
+ char
+ state; /* single-char code for process state (S=sleeping) */
+} proc_t;
+
+
+
+static int file2str(char *filename, char *ret, int cap)
+{
+ int fd, num_read;
+
+ if ( (fd = open(filename, O_RDONLY, 0)) == -1 ) return -1;
+ if ( (num_read = read(fd, ret, cap - 1)) <= 0 ) return -1;
+ ret[num_read] = 0;
+ close(fd);
+ return num_read;
+}
+
+
+static void parse_proc_status(char* S, proc_t* P)
+{
+ char* tmp;
+ memset(P->cmd, 0, sizeof P->cmd);
+ sscanf (S, "Name:\t%15c", P->cmd);
+ tmp = strchr(P->cmd,'\n');
+ if (tmp)
+ *tmp='\0';
+ tmp = strstr (S,"State");
+ sscanf (tmp, "State:\t%c", &P->state);
+
+ tmp = strstr (S,"Pid:");
+ if(tmp) sscanf (tmp,
+ "Pid:\t%d\n"
+ "PPid:\t%d\n",
+ &P->pid,
+ &P->ppid
+ );
+ else fprintf(stderr, "Internal error!\n");
+
+ /* For busybox, ignoring effecting, saved, etc */
+ tmp = strstr (S,"Uid:");
+ if(tmp) sscanf (tmp,
+ "Uid:\t%d", &P->ruid);
+ else fprintf(stderr, "Internal error!\n");
+
+ tmp = strstr (S,"Gid:");
+ if(tmp) sscanf (tmp,
+ "Gid:\t%d", &P->rgid);
+ else fprintf(stderr, "Internal error!\n");
+
+}
extern int ps_main(int argc, char **argv)
{
+ proc_t p;
DIR *dir;
FILE *file;
struct dirent *entry;
+ char path[32], sbuf[512];
+ char uidName[10]="";
+ char groupName[10]="";
+ int i, c;
if ( argc>1 && **(argv+1) == '-' ) {
- usage ("ps\n");
+ usage ("ps - report process status\nThis version of ps accepts no options.\n");
}
dir = opendir("/proc");
@@ -41,28 +107,44 @@ extern int ps_main(int argc, char **argv)
exit(FALSE);
}
- fprintf(stdout, "PID\tUid\tGid\tState\tName\n");
+ fprintf(stdout, "%5s %-8s %-3s %5s %s\n", "PID", "Uid", "Gid", "State", "Command");
while ((entry = readdir(dir)) != NULL) {
- char psStatus[NAME_MAX];
- char psName[NAME_MAX]="";
- char psState[NAME_MAX]="";
- int psPID=0, psPPID=0, psUid=0, psGid=0;
- //if (match(entry->d_name, "[0-9]") == FALSE)
- // continue;
- sprintf(psStatus, "/proc/%s/status", entry->d_name);
- file = fopen( psStatus, "r");
- if (file == NULL) {
+ uidName[0]='\0';
+ groupName[0]='\0';
+
+ if (! isdigit(*entry->d_name))
continue;
- //perror(psStatus);
- //exit( FALSE);
+ sprintf(path, "/proc/%s/status", entry->d_name);
+ if ((file2str(path, sbuf, sizeof sbuf)) != -1 ) {
+ parse_proc_status(sbuf, &p);
}
- fscanf(file, "Name:\t%s\nState:\t%s\nPid:\t%d\nPPid:\t%d\nUid:\t%d\nGid:\t%d",
- psName, psState, &psPID, &psPPID, &psUid, &psGid);
- fclose(file);
- fprintf(stdout, "%d\t%d\t%d\t%s\t%s\n", psPID, psUid, psGid, psState, psName);
+ /* Make some adjustments as needed */
+ my_getpwuid( uidName, p.ruid);
+ my_getgrgid( groupName, p.rgid);
+ if (*uidName == '\0')
+ sprintf( uidName, "%d", p.ruid);
+ if (*groupName == '\0')
+ sprintf( groupName, "%d", p.rgid);
+
+ fprintf(stdout, "%5d %-8s %-8s %c ", p.pid, uidName, groupName, p.state);
+ sprintf(path, "/proc/%s/cmdline", entry->d_name);
+ file = fopen(path, "r");
+ if (file == NULL) {
+ perror(path);
+ exit(FALSE);
+ }
+ i=0;
+ while (((c = getc(file)) != EOF) && (i < 53)) {
+ i++;
+ if (c == '\0')
+ c = ' ';
+ putc(c, stdout);
+ }
+ if (i==0)
+ fprintf(stdout, "%s", p.cmd);
+ fprintf(stdout, "\n");
}
closedir(dir);
exit(TRUE);
}
-
utility.c+101 -0
@@ -42,6 +42,27 @@ volatile void usage(const char *usage)
}
+#if defined (BB_INIT) || defined (BB_PS)
+
+/* Returns kernel version encoded as major*65536 + minor*256 + patch,
+ * so, for example, to check if the kernel is greater than 2.2.11:
+ * if (get_kernel_revision() <= 2*65536+2*256+11) { <stuff> }
+ */
+int
+get_kernel_revision()
+{
+ FILE *f;
+ int major=0, minor=0, patch=0;
+
+ f = fopen("/proc/sys/kernel/osrelease","r");
+ fscanf(f,"%d.%d.%d",&major,&minor,&patch);
+ fclose(f);
+ return major*65536 + minor*256 + patch;
+}
+
+#endif
+
+
#if defined (BB_CP) || defined (BB_MV)
/*
@@ -659,4 +680,84 @@ parse_mode( const char* s, mode_t* theMode)
+
+
+
+
+#if defined (BB_CHMOD_CHOWN_CHGRP) || defined (BB_PS)
+
+/* Use this to avoid needing the glibc NSS stuff
+ * This uses storage buf to hold things.
+ * */
+uid_t
+my_getid(const char *filename, char *name, uid_t id)
+{
+ FILE *stream;
+ char *rname, *start, *end, buf[128];
+ uid_t rid;
+
+ stream=fopen(filename,"r");
+
+ while (fgets (buf, 128, stream) != NULL) {
+ if (buf[0] == '#')
+ continue;
+
+ start = buf;
+ end = strchr (start, ':');
+ if (end == NULL)
+ continue;
+ *end = '\0';
+ rname = start;
+
+ start = end + 1;
+ end = strchr (start, ':');
+ if (end == NULL)
+ continue;
+
+ start = end + 1;
+ rid = (uid_t) strtol (start, &end, 10);
+ if (end == start)
+ continue;
+
+ if (name) {
+ if (0 == strcmp(rname, name))
+ return( rid);
+ }
+ if ( id != -1 && id == rid ) {
+ strncpy(name, rname, 8);
+ return( TRUE);
+ }
+ }
+ fclose(stream);
+ return (-1);
+}
+
+uid_t
+my_getpwnam(char *name)
+{
+ return my_getid("/etc/passwd", name, -1);
+}
+
+gid_t
+my_getgrnam(char *name)
+{
+ return my_getid("/etc/group", name, -1);
+}
+
+void
+my_getpwuid(char* name, uid_t uid)
+{
+ my_getid("/etc/passwd", name, uid);
+}
+
+void
+my_getgrgid(char* group, gid_t gid)
+{
+ my_getid("/etc/group", group, gid);
+}
+
+
+#endif
+
+
/* END CODE */