From 64bc6412188b141c010ac3b8e813b837dd991e80 Mon Sep 17 00:00:00 2001 From: Erik Andersen Date: Sun, 14 May 2000 04:16:35 +0000 Subject: Initial revision --- libc/pwd_grp/Makefile | 33 +++++++++ libc/pwd_grp/__getgrent.c | 168 ++++++++++++++++++++++++++++++++++++++++++++++ libc/pwd_grp/config.h | 65 ++++++++++++++++++ libc/pwd_grp/fgetgrent.c | 35 ++++++++++ libc/pwd_grp/fgetpwent.c | 35 ++++++++++ libc/pwd_grp/getgrgid.c | 48 +++++++++++++ libc/pwd_grp/getgrnam.c | 51 ++++++++++++++ libc/pwd_grp/getpw.c | 51 ++++++++++++++ libc/pwd_grp/getpwnam.c | 52 ++++++++++++++ libc/pwd_grp/getpwuid.c | 44 ++++++++++++ libc/pwd_grp/grent.c | 57 ++++++++++++++++ libc/pwd_grp/initgroups.c | 80 ++++++++++++++++++++++ libc/pwd_grp/putpwent.c | 39 +++++++++++ libc/pwd_grp/pwent.c | 62 +++++++++++++++++ 14 files changed, 820 insertions(+) create mode 100644 libc/pwd_grp/Makefile create mode 100644 libc/pwd_grp/__getgrent.c create mode 100644 libc/pwd_grp/config.h create mode 100644 libc/pwd_grp/fgetgrent.c create mode 100644 libc/pwd_grp/fgetpwent.c create mode 100644 libc/pwd_grp/getgrgid.c create mode 100644 libc/pwd_grp/getgrnam.c create mode 100644 libc/pwd_grp/getpw.c create mode 100644 libc/pwd_grp/getpwnam.c create mode 100644 libc/pwd_grp/getpwuid.c create mode 100644 libc/pwd_grp/grent.c create mode 100644 libc/pwd_grp/initgroups.c create mode 100644 libc/pwd_grp/putpwent.c create mode 100644 libc/pwd_grp/pwent.c (limited to 'libc/pwd_grp') diff --git a/libc/pwd_grp/Makefile b/libc/pwd_grp/Makefile new file mode 100644 index 000000000..ce5064852 --- /dev/null +++ b/libc/pwd_grp/Makefile @@ -0,0 +1,33 @@ +# Copyright (C) 1996 Nat Friedman +# This file is part of the Linux-8086 C library and is distributed +# under the GNU Library General Public License. + +LIBC=../libc.a + +CC=m68k-pic-coff-gcc +AR=m68k-pic-coff-ar +RANLIB=m68k-pic-coff-ranlib + +CCFLAGS= -O2 -m68000 -msoft-float -I../include + +CFLAGS=$(ARCH) -ansi $(CCFLAGS) $(DEFS) + +PSRC=__getpwent.c pwent.c getpwnam.c getpwuid.c putpwent.c getpw.c fgetpwent.c +GSRC=__getgrent.c grent.c getgrnam.c getgrgid.c fgetgrent.c initgroups.c \ + config-grp.h +USRC=utent.c + +POBJ=__getpwent.o pwent.o getpwnam.o getpwuid.o putpwent.o getpw.o fgetpwent.o +GOBJ=__getgrent.o grent.o getgrnam.o getgrgid.o fgetgrent.o initgroups.o +UOBJ=utent.o + +OBJ=$(POBJ) $(GOBJ) $(UOBJ) + +all: $(LIBC)($(OBJ)) + @$(RM) $(OBJ) + +$(LIBC)($(GOBJ)): config-grp.h + +clean: + rm -f *.o libc.a + diff --git a/libc/pwd_grp/__getgrent.c b/libc/pwd_grp/__getgrent.c new file mode 100644 index 000000000..612f1124d --- /dev/null +++ b/libc/pwd_grp/__getgrent.c @@ -0,0 +1,168 @@ +/* + * __getgrent.c - This file is part of the libc-8086/grp package for ELKS, + * Copyright (C) 1995, 1996 Nat Friedman . + * + * 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 +#include +#include +#include +#include "config.h" + +/* + * This is the core group-file read function. It behaves exactly like + * getgrent() except that it is passed a file descriptor. getgrent() + * is just a wrapper for this function. + */ +struct group * +__getgrent(int grp_fd) +{ +#ifndef GR_SCALE_DYNAMIC + static char line_buff[GR_MAX_LINE_LEN]; + static char * members[GR_MAX_MEMBERS]; +#else + static char * line_buff = NULL; + static char ** members = NULL; + short line_index; + short buff_size; +#endif + static struct group group; + register char * ptr; + char * field_begin; + short member_num; + char * endptr; + int line_len; + + + /* We use the restart label to handle malformatted lines */ +restart: +#ifdef GR_SCALE_DYNAMIC + line_index=0; + buff_size=256; +#endif + +#ifndef GR_SCALE_DYNAMIC + /* Read the line into the static buffer */ + if ((line_len=read(grp_fd, line_buff, GR_MAX_LINE_LEN))<=0) + return NULL; + field_begin=strchr(line_buff, '\n'); + if (field_begin!=NULL) + lseek(grp_fd, (long) (1+field_begin-(line_buff+line_len)), SEEK_CUR); + else /* The line is too long - skip it :-\ */ + { + do { if ((line_len=read(grp_fd, line_buff, GR_MAX_LINE_LEN))<=0) + return NULL; + } while (!(field_begin=strchr(line_buff, '\n'))); + lseek(grp_fd, (long) ((field_begin-line_buff)-line_len+1), SEEK_CUR); + goto restart; + } + if (*line_buff=='#' || *line_buff==' ' || *line_buff=='\n' || + *line_buff=='\t') + goto restart; + *field_begin='\0'; + +#else /* !GR_SCALE_DYNAMIC */ + line_buff=realloc(line_buff, buff_size); + while (1) + { + if ((line_len=read(grp_fd, line_buff+line_index, + buff_size-line_index))<=0) + return NULL; + field_begin=strchr(line_buff, '\n'); + if (field_begin!=NULL) + { + lseek(grp_fd, (long) (1+field_begin-(line_len+line_index+line_buff)), + SEEK_CUR); + *field_begin='\0'; + if (*line_buff=='#' || *line_buff==' ' || *line_buff=='\n' || + *line_buff=='\t') + goto restart; + break; + } + else /* Allocate some more space */ + { + line_index=buff_size; + buff_size+=256; + line_buff=realloc(line_buff, buff_size); + } + } +#endif /* GR_SCALE_DYNAMIC */ + + /* Now parse the line */ + group.gr_name=line_buff; + ptr=strchr(line_buff, ':'); + if (ptr==NULL) goto restart; + *ptr++='\0'; + + group.gr_passwd=ptr; + ptr=strchr(ptr, ':'); + if (ptr==NULL) goto restart; + *ptr++='\0'; + + field_begin=ptr; + ptr=strchr(ptr, ':'); + if (ptr==NULL) goto restart; + *ptr++='\0'; + + group.gr_gid=(gid_t) strtoul(field_begin, &endptr, 10); + if (*endptr!='\0') goto restart; + + member_num=0; + field_begin=ptr; + +#ifndef GR_SCALE_DYNAMIC + while ((ptr=strchr(ptr, ','))!=NULL) + { + *ptr='\0'; + ptr++; + members[member_num]=field_begin; + field_begin=ptr; + member_num++; + } + if (*field_begin=='\0') + members[member_num]=NULL; + else + { + members[member_num]=field_begin; + members[member_num+1]=NULL; + } +#else /* !GR_SCALE_DYNAMIC */ + if (members!=NULL) + free (members); + members=(char **) malloc(1*sizeof(char *)); + while ((ptr=strchr(ptr, ','))!=NULL) + { + *ptr='\0'; + ptr++; + members[member_num]=field_begin; + field_begin=ptr; + member_num++; + members=(char **)realloc((void *)members, (member_num+1)*sizeof(char *)); + } + if (*field_begin=='\0') + members[member_num]=NULL; + else + { + members[member_num]=field_begin; + members[member_num+1]=NULL; + } +#endif /* GR_SCALE_DYNAMIC */ + + group.gr_mem=members; + return &group; +} diff --git a/libc/pwd_grp/config.h b/libc/pwd_grp/config.h new file mode 100644 index 000000000..699434b2a --- /dev/null +++ b/libc/pwd_grp/config.h @@ -0,0 +1,65 @@ +/* + * config-grp.h - This file is part of the libc-8086/grp package for ELKS, + * Copyright (C) 1995, 1996 Nat Friedman . + * + * 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. + * + */ + + +#ifndef _CONFIG_GRP_H +#define _CONFIG_GRP_H + +/* + * Define GR_SCALE_DYNAMIC if you want grp to dynamically scale its read buffer + * so that lines of any length can be used. On very very small systems, + * you may want to leave this undefined becasue it will make the grp functions + * somewhat larger (because of the inclusion of malloc and the code necessary). + * On larger systems, you will want to define this, because grp will _not_ + * deal with long lines gracefully (they will be skipped). + */ +#undef GR_SCALE_DYNAMIC + +#ifndef GR_SCALE_DYNAMIC +/* + * If scaling is not dynamic, the buffers will be statically allocated, and + * maximums must be chosen. GR_MAX_LINE_LEN is the maximum number of + * characters per line in the group file. GR_MAX_MEMBERS is the maximum + * number of members of any given group. + */ +#define GR_MAX_LINE_LEN 128 +/* GR_MAX_MEMBERS = (GR_MAX_LINE_LEN-(24+3+6))/9 */ +#define GR_MAX_MEMBERS 11 + +#endif /* !GR_SCALE_DYNAMIC */ + + +/* + * Define GR_DYNAMIC_GROUP_LIST to make initgroups() dynamically allocate + * space for it's GID array before calling setgroups(). This is probably + * unnecessary scalage, so it's undefined by default. + */ +#undef GR_DYNAMIC_GROUP_LIST + +#ifndef GR_DYNAMIC_GROUP_LIST +/* + * GR_MAX_GROUPS is the size of the static array initgroups() uses for + * its static GID array if GR_DYNAMIC_GROUP_LIST isn't defined. + */ +#define GR_MAX_GROUPS 64 + +#endif /* !GR_DYNAMIC_GROUP_LIST */ + +#endif /* !_CONFIG_GRP_H */ diff --git a/libc/pwd_grp/fgetgrent.c b/libc/pwd_grp/fgetgrent.c new file mode 100644 index 000000000..800236fcc --- /dev/null +++ b/libc/pwd_grp/fgetgrent.c @@ -0,0 +1,35 @@ +/* + * fgetgrent.c - This file is part of the libc-8086/grp package for ELKS, + * Copyright (C) 1995, 1996 Nat Friedman . + * + * 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 +#include +#include + +struct group * +fgetgrent(FILE * file) +{ + if (file==NULL) + { + errno=EINTR; + return NULL; + } + + return __getgrent(fileno(file)); +} diff --git a/libc/pwd_grp/fgetpwent.c b/libc/pwd_grp/fgetpwent.c new file mode 100644 index 000000000..e12b89051 --- /dev/null +++ b/libc/pwd_grp/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 . + * + * 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 +#include +#include + +struct passwd * +fgetpwent(FILE * file) +{ + if (file==NULL) + { + errno=EINTR; + return NULL; + } + + return __getpwent(fileno(file)); +} diff --git a/libc/pwd_grp/getgrgid.c b/libc/pwd_grp/getgrgid.c new file mode 100644 index 000000000..c1dd20e35 --- /dev/null +++ b/libc/pwd_grp/getgrgid.c @@ -0,0 +1,48 @@ +/* + * getgrgid.c - This file is part of the libc-8086/grp package for ELKS, + * Copyright (C) 1995, 1996 Nat Friedman . + * + * 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 +#include +#include +#include + +struct group * +getgrgid(const gid_t gid) +{ + struct group * group; + int grp_fd; + + if ((grp_fd=open("/etc/group", O_RDONLY))<0) + return NULL; + + while ((group=__getgrent(grp_fd))!=NULL) + if (group->gr_gid==gid) + { + close(grp_fd); + return group; + } + + close(grp_fd); + return NULL; +} + + + + diff --git a/libc/pwd_grp/getgrnam.c b/libc/pwd_grp/getgrnam.c new file mode 100644 index 000000000..e6c27fc57 --- /dev/null +++ b/libc/pwd_grp/getgrnam.c @@ -0,0 +1,51 @@ +/* + * getgrnam.c - This file is part of the libc-8086/grp package for ELKS, + * Copyright (C) 1995, 1996 Nat Friedman . + * + * 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 +#include +#include +#include +#include + +struct group * +getgrnam(const char * name) +{ + int grp_fd; + struct group * group; + + if (name==NULL) + { + errno=EINVAL; + return NULL; + } + + if ((grp_fd=open("/etc/group", O_RDONLY))<0) + return NULL; + + while ((group=__getgrent(grp_fd))!=NULL) + if (!strcmp(group->gr_name, name)) + { + close(grp_fd); + return group; + } + + close(grp_fd); + return NULL; +} diff --git a/libc/pwd_grp/getpw.c b/libc/pwd_grp/getpw.c new file mode 100644 index 000000000..4f4e39025 --- /dev/null +++ b/libc/pwd_grp/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 . + * + * 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 +#include +#include +#include + +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/pwd_grp/getpwnam.c b/libc/pwd_grp/getpwnam.c new file mode 100644 index 000000000..85dbc8ed8 --- /dev/null +++ b/libc/pwd_grp/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 . + * + * 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 +#include +#include +#include +#include + + +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/pwd_grp/getpwuid.c b/libc/pwd_grp/getpwuid.c new file mode 100644 index 000000000..ffd58c1f0 --- /dev/null +++ b/libc/pwd_grp/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 . + * + * 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 +#include +#include +#include + +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/pwd_grp/grent.c b/libc/pwd_grp/grent.c new file mode 100644 index 000000000..19d618b2b --- /dev/null +++ b/libc/pwd_grp/grent.c @@ -0,0 +1,57 @@ +/* + * grent.c - This file is part of the libc-8086/grp package for ELKS, + * Copyright (C) 1995, 1996 Nat Friedman . + * + * 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. + * + */ + +/* + * setgrent(), endgrent(), and getgrent() are mutually-dependent functions, + * so they are all included in the same object file, and thus all linked + * in together. + */ + +#include +#include +#include + +static int grp_fd=-1; + +void +setgrent(void) +{ + if (grp_fd!=-1) + close(grp_fd); + grp_fd=open("/etc/group", O_RDONLY); +} + +void +endgrent(void) +{ + if (grp_fd!=-1) + close(grp_fd); + grp_fd=-1; +} + +struct group * +getgrent(void) +{ + if (grp_fd==-1) + return NULL; + return __getgrent(grp_fd); +} + + diff --git a/libc/pwd_grp/initgroups.c b/libc/pwd_grp/initgroups.c new file mode 100644 index 000000000..35e1d03ec --- /dev/null +++ b/libc/pwd_grp/initgroups.c @@ -0,0 +1,80 @@ +/* + * initgroups.c - This file is part of the libc-8086/grp package for ELKS, + * Copyright (C) 1995, 1996 Nat Friedman . + * + * 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 +#include +#include +#include +#include "config.h" + +int +initgroups(__const char * user, gid_t gid) +{ + register struct group * group; +#ifndef GR_DYNAMIC_GROUP_LIST + gid_t group_list[GR_MAX_GROUPS]; +#else + gid_t * group_list=NULL; +#endif + register char ** tmp_mem; + int num_groups; + int grp_fd; + + + if ((grp_fd=open("/etc/group", O_RDONLY))<0) + return -1; + + num_groups=0; +#ifdef GR_DYNAMIC_GROUP_LIST + group_list=(gid_t *) realloc(group_list, 1); +#endif + group_list[num_groups]=gid; +#ifndef GR_DYNAMIC_GROUP_LIST + while (num_groupsgr_gid!=gid); + { + tmp_mem=group->gr_mem; + while(*tmp_mem!=NULL) + { + if (!strcmp(*tmp_mem, user)) + { + num_groups++; +#ifdef GR_DYNAMIC_GROUP_LIST + group_list=(gid_t *)realloc(group_list, + num_groups*sizeof(gid_t *)); +#endif + group_list[num_groups]=group->gr_gid; + } + tmp_mem++; + } + } + } + close(grp_fd); + return setgroups(num_groups, group_list); +} + + + + diff --git a/libc/pwd_grp/putpwent.c b/libc/pwd_grp/putpwent.c new file mode 100644 index 000000000..a0035ea98 --- /dev/null +++ b/libc/pwd_grp/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 . + * + * 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 +#include +#include + +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/pwd_grp/pwent.c b/libc/pwd_grp/pwent.c new file mode 100644 index 000000000..fd65db21a --- /dev/null +++ b/libc/pwd_grp/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 . + * + * 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 +#include +#include +#include +#include + +/* + * 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 = -1; + +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; +} + + + -- cgit v1.2.3