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-rw-r--r--libc-0.0.4/pwd/Config1
-rw-r--r--libc-0.0.4/pwd/Makefile40
-rw-r--r--libc-0.0.4/pwd/__getpwent.c152
-rw-r--r--libc-0.0.4/pwd/fgetpwent.c35
-rw-r--r--libc-0.0.4/pwd/getpw.c51
-rw-r--r--libc-0.0.4/pwd/getpwnam.c52
-rw-r--r--libc-0.0.4/pwd/getpwuid.c44
-rw-r--r--libc-0.0.4/pwd/putpwent.c39
-rw-r--r--libc-0.0.4/pwd/pwent.c62
-rwxr-xr-xlibc-0.0.4/pwd/test_pwdbin0 -> 6436 bytes
-rw-r--r--libc-0.0.4/pwd/test_pwd.c91
11 files changed, 567 insertions, 0 deletions
diff --git a/libc-0.0.4/pwd/Config b/libc-0.0.4/pwd/Config
new file mode 100644
index 0000000..b5aaad0
--- /dev/null
+++ b/libc-0.0.4/pwd/Config
@@ -0,0 +1 @@
+pwd: /etc/passwd managment
diff --git a/libc-0.0.4/pwd/Makefile b/libc-0.0.4/pwd/Makefile
new file mode 100644
index 0000000..df90f89
--- /dev/null
+++ b/libc-0.0.4/pwd/Makefile
@@ -0,0 +1,40 @@
+# Copyright (C) 1996 Nat Friedman <ndf@aleph1.mit.edu>
+# This file is part of the Linux-8086 C library and is distributed
+# under the GNU Library General Public License.
+
+TOP=..
+include $(TOP)/Make.defs
+
+ifeq ($(PLATFORM),i386-Linux)
+CFLAGS+=$(WALL)
+else # ifeq ($(PLATFORM),i86-ELKS)
+CFLAGS=$(CCFLAGS) $(LIBDEFS) -ansi
+endif
+
+PSRC=__getpwent.c pwent.c getpwnam.c getpwuid.c putpwent.c getpw.c fgetpwent.c
+POBJ=__getpwent.o pwent.o getpwnam.o getpwuid.o putpwent.o getpw.o fgetpwent.o
+
+all: $(POBJ)
+
+%.o: %.c
+ $(CC) $(CFLAGS) -o $@ $< -c
+
+$(LIBC): $(POBJ)
+ ar r ../$(LIBC) $(POBJ)
+ @touch libc.a
+
+test: test_pwd.c libpwd.a
+ $(CC) $(CFLAGS) test_pwd.c -o test_pwd -L. -lpwd
+
+libpwd.a: $(POBJ)
+ ar r libpwd.a $(POBJ)
+ ranlib libpwd.a
+
+libpwd: libpwd.a
+
+clean:
+ rm -f $(POBJ) libc.a libpwd.a
+
+
+
+
diff --git a/libc-0.0.4/pwd/__getpwent.c b/libc-0.0.4/pwd/__getpwent.c
new file mode 100644
index 0000000..1dfc87e
--- /dev/null
+++ b/libc-0.0.4/pwd/__getpwent.c
@@ -0,0 +1,152 @@
+/*
+ * __getpwent.c - This file is part of the libc-8086/pwd package for ELKS,
+ * Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <fcntl.h>
+#include <pwd.h>
+
+#define __PWD_LINE_BUFFER_SIZE 256
+
+struct passwd *
+__getpwent(int passwd_fd)
+{
+ static char pwd_line[__PWD_LINE_BUFFER_SIZE];
+ unsigned short curr_index;
+
+ /* field_num is the current field number, 0 through 6 */
+ unsigned short field_num;
+
+ /* field_length is the length of the current field */
+ unsigned short field_length;
+
+ /* field_begin is a pointer to the first character of the current field */
+ char * field_begin;
+
+ /* endptr is used to error-check the call to strtol() */
+ char * endptr;
+
+ /* the only static passwd structure. we return a pointer to it */
+ static struct passwd passwd;
+
+ /* Gross, but small... */
+ goto readline_start;
+
+readline_restart:
+ /* Advance to the end of the line */
+ while (pwd_line[curr_index]!='\n' &&
+ read(passwd_fd, &pwd_line[curr_index], 1)==1);
+
+readline_start:
+ /* Initialize ourselves at the beginning of the line */
+ curr_index=field_num=field_length=0;
+ field_begin=pwd_line;
+ while (read(passwd_fd, &pwd_line[curr_index], 1)==1)
+ {
+ if (curr_index==0)
+ if (*pwd_line=='#' || *pwd_line==' ' || *pwd_line=='\n' ||
+ *pwd_line=='\t')
+ goto readline_restart;
+
+ field_length++;
+ if (pwd_line[curr_index]==':' || pwd_line[curr_index]=='\n')
+ {
+ pwd_line[curr_index]='\0';
+ switch (field_num)
+ {
+ case 0: /* login */
+ passwd.pw_name=field_begin;
+ break;
+ case 1: /* passwd */
+ passwd.pw_passwd=field_begin;
+ break;
+ case 2: /* GID */
+ case 3: /* UID */
+ if (field_num==2)
+ passwd.pw_uid=strtol(field_begin, &endptr, 10);
+ else
+ passwd.pw_gid=strtol(field_begin, &endptr, 10);
+ if (endptr!=(pwd_line+curr_index)) /* there were invalid
+ characters */
+ goto readline_restart;
+
+ curr_index-=field_length;
+ break;
+ case 4: /* GECOS field */
+ passwd.pw_gecos=field_begin;
+ break;
+ case 5: /* home directory */
+ passwd.pw_dir=field_begin;
+ break;
+ case 6: /* shell */
+ passwd.pw_shell=field_begin;
+ return &passwd;
+ break;
+ default: /* too many fields -- invalid line */
+ goto readline_restart;
+ }
+ if (field_num!=2 && field_num!=3)
+ field_begin=pwd_line+curr_index+1;
+ field_num++;
+ field_length=0;
+ }
+ curr_index++;
+ if (curr_index>=__PWD_LINE_BUFFER_SIZE)
+ {
+ if (field_num<=3)
+ goto readline_start;
+
+ if (*passwd.pw_gecos)
+ {
+ if (field_num==4) /* gecos.. least important */
+ {
+ /* erase this field */
+ curr_index-=field_length;
+ field_num++;
+ passwd.pw_gecos=field_begin-1;
+ /* read until the next delimiter */
+ while ((read(passwd_fd, &pwd_line[curr_index], 1)==1) &&
+ pwd_line[curr_index]!=':');
+
+ }
+ else if (field_num>4) /* move everything back to the gecos... */
+ {
+ unsigned short shift;
+ if (field_num==5)
+ passwd.pw_dir=field_begin;
+
+ shift=passwd.pw_dir-passwd.pw_gecos;
+ memcpy(passwd.pw_gecos,
+ passwd.pw_dir, pwd_line+curr_index-passwd.pw_dir);
+ passwd.pw_gecos--;
+ passwd.pw_dir=passwd.pw_gecos;
+ field_begin-=shift;
+ passwd.pw_shell-=shift;
+ curr_index-=shift;
+ }
+ }
+ else
+ goto readline_restart;
+ }
+ }
+ return NULL;
+}
+
diff --git a/libc-0.0.4/pwd/fgetpwent.c b/libc-0.0.4/pwd/fgetpwent.c
new file mode 100644
index 0000000..e12b890
--- /dev/null
+++ b/libc-0.0.4/pwd/fgetpwent.c
@@ -0,0 +1,35 @@
+/*
+ * fgetpwent.c - This file is part of the libc-8086/pwd package for ELKS,
+ * Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <errno.h>
+#include <stdio.h>
+#include <pwd.h>
+
+struct passwd *
+fgetpwent(FILE * file)
+{
+ if (file==NULL)
+ {
+ errno=EINTR;
+ return NULL;
+ }
+
+ return __getpwent(fileno(file));
+}
diff --git a/libc-0.0.4/pwd/getpw.c b/libc-0.0.4/pwd/getpw.c
new file mode 100644
index 0000000..4f4e390
--- /dev/null
+++ b/libc-0.0.4/pwd/getpw.c
@@ -0,0 +1,51 @@
+/*
+ * getpw.c - This file is part of the libc-8086/pwd package for ELKS,
+ * Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <sys/types.h>
+#include <errno.h>
+#include <stdio.h>
+#include <pwd.h>
+
+int
+getpw(uid_t uid, char *buf)
+{
+ struct passwd * passwd;
+
+ if (buf==NULL)
+ {
+ errno=EINVAL;
+ return -1;
+ }
+ if ((passwd=getpwuid(uid))==NULL)
+ return -1;
+
+ if (sprintf(buf, "%s:%s:%u:%u:%s:%s:%s", passwd->pw_name, passwd->pw_passwd,
+ passwd->pw_gid, passwd->pw_uid, passwd->pw_gecos,
+ passwd->pw_dir, passwd->pw_shell)<0)
+ {
+ errno=ENOBUFS;
+ return -1;
+ }
+
+ return 0;
+}
+
+
+
diff --git a/libc-0.0.4/pwd/getpwnam.c b/libc-0.0.4/pwd/getpwnam.c
new file mode 100644
index 0000000..85dbc8e
--- /dev/null
+++ b/libc-0.0.4/pwd/getpwnam.c
@@ -0,0 +1,52 @@
+/*
+ * getpwnam.c - This file is part of the libc-8086/pwd package for ELKS,
+ * Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <pwd.h>
+
+
+struct passwd *
+getpwnam(const char * name)
+{
+ int passwd_fd;
+ struct passwd * passwd;
+
+ if (name==NULL)
+ {
+ errno=EINVAL;
+ return NULL;
+ }
+
+ if ((passwd_fd=open("/etc/passwd", O_RDONLY))<0)
+ return NULL;
+
+ while ((passwd=__getpwent(passwd_fd))!=NULL)
+ if (!strcmp(passwd->pw_name, name))
+ {
+ close(passwd_fd);
+ return passwd;
+ }
+
+ close(passwd_fd);
+ return NULL;
+}
diff --git a/libc-0.0.4/pwd/getpwuid.c b/libc-0.0.4/pwd/getpwuid.c
new file mode 100644
index 0000000..ffd58c1
--- /dev/null
+++ b/libc-0.0.4/pwd/getpwuid.c
@@ -0,0 +1,44 @@
+/*
+ * getpwuid.c - This file is part of the libc-8086/pwd package for ELKS,
+ * Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <pwd.h>
+
+struct passwd *
+getpwuid(uid_t uid)
+{
+ int passwd_fd;
+ struct passwd * passwd;
+
+ if ((passwd_fd=open("/etc/passwd", O_RDONLY))<0)
+ return NULL;
+
+ while ((passwd=__getpwent(passwd_fd))!=NULL)
+ if (passwd->pw_uid==uid)
+ {
+ close(passwd_fd);
+ return passwd;
+ }
+
+ close (passwd_fd);
+ return NULL;
+}
diff --git a/libc-0.0.4/pwd/putpwent.c b/libc-0.0.4/pwd/putpwent.c
new file mode 100644
index 0000000..a0035ea
--- /dev/null
+++ b/libc-0.0.4/pwd/putpwent.c
@@ -0,0 +1,39 @@
+/*
+ * putpwent.c - This file is part of the libc-8086/pwd package for ELKS,
+ * Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include <pwd.h>
+
+int
+putpwent(const struct passwd * passwd, FILE * f)
+{
+ if (passwd == NULL || f == NULL)
+ {
+ errno=EINVAL;
+ return -1;
+ }
+ if (fprintf(f, "%s:%s:%u:%u:%s:%s:%s\n", passwd->pw_name, passwd->pw_passwd,
+ passwd->pw_gid, passwd->pw_uid, passwd->pw_gecos,
+ passwd->pw_dir, passwd->pw_shell)<0)
+ return -1;
+
+ return 0;
+}
diff --git a/libc-0.0.4/pwd/pwent.c b/libc-0.0.4/pwd/pwent.c
new file mode 100644
index 0000000..dc40a08
--- /dev/null
+++ b/libc-0.0.4/pwd/pwent.c
@@ -0,0 +1,62 @@
+/*
+ * pwent.c - This file is part of the libc-8086/pwd package for ELKS,
+ * Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <unistd.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <pwd.h>
+#include <fcntl.h>
+
+/*
+ * setpwent(), endpwent(), and getpwent() are included in the same object
+ * file, since one cannot be used without the other two, so it makes sense to
+ * link them all in together.
+ */
+
+/* file descriptor for the password file currently open */
+static int pw_fd;
+
+void
+setpwent(void)
+{
+ if (pw_fd!=-1)
+ close(pw_fd);
+
+ pw_fd=open("/etc/passwd", O_RDONLY);
+}
+
+void
+endpwent(void)
+{
+ if (pw_fd!=-1)
+ close(pw_fd);
+ pw_fd=-1;
+}
+
+struct passwd *
+getpwent(void)
+{
+ if (pw_fd!=-1)
+ return __getpwent(pw_fd);
+ return NULL;
+}
+
+
+
diff --git a/libc-0.0.4/pwd/test_pwd b/libc-0.0.4/pwd/test_pwd
new file mode 100755
index 0000000..bac2f1e
--- /dev/null
+++ b/libc-0.0.4/pwd/test_pwd
Binary files differ
diff --git a/libc-0.0.4/pwd/test_pwd.c b/libc-0.0.4/pwd/test_pwd.c
new file mode 100644
index 0000000..3279fb2
--- /dev/null
+++ b/libc-0.0.4/pwd/test_pwd.c
@@ -0,0 +1,91 @@
+/*
+ * test_pwd.c - This file is part of the libc-8086/pwd package for ELKS,
+ * Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <unistd.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <pwd.h>
+
+int
+main(int argc, char ** argv)
+{
+ struct passwd * passwd;
+ int test_uid;
+
+ fprintf(stderr, "Beginning test of libc/pwd...\n");
+
+ fprintf(stderr, "=> Testing setpwent(), getpwent(), endpwent()...\n");
+ fprintf(stderr, "-> setpwent()...\n");
+ setpwent();
+ fprintf(stderr, "-> getpwent()...\n");
+ printf("********************************************************************************\n");
+ while ((passwd=getpwent())!=NULL)
+ {
+ printf("pw_name\t\t: %s\n", passwd->pw_name);
+ printf("pw_passwd\t: %s\n", passwd->pw_passwd);
+ printf("pw_uid\t\t: %d\n", (int) passwd->pw_uid);
+ printf("pw_gid\t\t: %d\n", (int) passwd->pw_gid);
+ printf("pw_gecos\t: %s\n", passwd->pw_gecos);
+ printf("pw_dir\t\t: %s\n", passwd->pw_dir);
+ printf("pw_shell\t: %s\n", passwd->pw_shell);
+ printf("********************************************************************************\n");
+ }
+ fprintf(stderr, "-> endpwent()...\n");
+ endpwent();
+ fprintf(stderr, "=> Test of setpwent(), getpwent(), endpwent() complete.\n");
+ fprintf(stderr, "=> Testing getpwuid(), getpwnam()...\n");
+ fprintf(stderr, "-> getpwuid()...\n");
+ printf("********************************************************************************\n");
+ for(test_uid=0;test_uid<100;test_uid++)
+ {
+ fprintf(stderr, "-> getpwuid(%d)...\n", test_uid);
+ passwd=getpwuid((uid_t) test_uid);
+ if (passwd!=NULL)
+ {
+ printf("pw_name\t\t: %s\n", passwd->pw_name);
+ printf("pw_passwd\t: %s\n", passwd->pw_passwd);
+ printf("pw_uid\t\t: %d\n", (int) passwd->pw_uid);
+ printf("pw_gid\t\t: %d\n", (int) passwd->pw_gid);
+ printf("pw_gecos\t: %s\n", passwd->pw_gecos);
+ printf("pw_dir\t\t: %s\n", passwd->pw_dir);
+ printf("pw_shell\t: %s\n", passwd->pw_shell);
+ }
+ printf("********************************************************************************\n");
+ }
+ fprintf(stderr, "-> getpwnam()...\n");
+ passwd=getpwnam("root");
+ if (passwd==NULL)
+ {
+ printf(">NULL<\n");
+ }
+ else
+ {
+ printf("pw_name\t\t: %s\n", passwd->pw_name);
+ printf("pw_passwd\t: %s\n", passwd->pw_passwd);
+ printf("pw_uid\t\t: %d\n", (int) passwd->pw_uid);
+ printf("pw_gid\t\t: %d\n", (int) passwd->pw_gid);
+ printf("pw_gecos\t: %s\n", passwd->pw_gecos);
+ printf("pw_dir\t\t: %s\n", passwd->pw_dir);
+ printf("pw_shell\t: %s\n", passwd->pw_shell);
+ }
+ return 0;
+}
+
+
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