diff options
Diffstat (limited to 'usr/src/cmd/cmd-inet/usr.sbin/in.ftpd/getpwnam.c')
| -rw-r--r-- | usr/src/cmd/cmd-inet/usr.sbin/in.ftpd/getpwnam.c | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/usr/src/cmd/cmd-inet/usr.sbin/in.ftpd/getpwnam.c b/usr/src/cmd/cmd-inet/usr.sbin/in.ftpd/getpwnam.c new file mode 100644 index 0000000000..c3a2682dab --- /dev/null +++ b/usr/src/cmd/cmd-inet/usr.sbin/in.ftpd/getpwnam.c @@ -0,0 +1,158 @@ +#pragma ident "%Z%%M% %I% %E% SMI" + +/* + * Replacement for getpwnam - we need it to handle files other than + * /etc/passwd so we can permit different passwd files for each different + * host + * (c) 1998-2000 by Bernhard Rosenkränzer <bero@redhat.com> + * 19980930 Initial version + * 20000211 Various fixes + */ + +#include "config.h" +#include <pwd.h> +#include <sys/types.h> +#include <stdio.h> +#ifdef SHADOW_PASSWORD +# ifdef HAVE_SHADOW_H +# include <shadow.h> +# endif +#endif + +#ifndef HAVE_FGETPWENT /* Some systems (*BSD) don't have fgetpwent... */ +#ifdef HAVE_STRINGS_H +#include <strings.h> +#else +#include <string.h> +#endif +struct passwd *fgetpwent(FILE *stream) +{ + char *entry=(char *) malloc(1024); + struct passwd *p=(struct passwd *) malloc(sizeof(struct passwd)); + char *tmp,*tmp2; + + if(!fgets(entry,1024,stream)) { + free(entry); + free(p); + return NULL; + } + tmp=strdup(entry); + if(strchr(tmp,':')) { + *strchr(tmp,':')=0; + p->pw_name=tmp; + } else { + free(tmp); free(entry); free(p); return NULL; + } + tmp2=strchr(entry,':')+1; + tmp=strdup(tmp2); + if(strchr(tmp,':')) { + *strchr(tmp,':')=0; + p->pw_passwd=tmp; + } else { + free(tmp); free(entry); free(p->pw_name); free(p); return NULL; + } + tmp2=strchr(tmp2,':')+1; + tmp=strdup(tmp2); + if(strchr(tmp,':')) { + *strchr(tmp,':')=0; + p->pw_uid=(uid_t) atoi(tmp); + } else { + free(tmp); free(entry); free(p->pw_passwd); free(p->pw_name); free(p); return NULL; + } + free(tmp); + tmp2=strchr(tmp2,':')+1; + tmp=strdup(tmp2); + if(strchr(tmp,':')) { + *strchr(tmp,':')=0; + p->pw_gid=(gid_t) atoi(tmp); + } else { + free(tmp); free(entry); free(p->pw_passwd); free(p->pw_name); free(p); return NULL; + } + free(tmp); + tmp2=strchr(tmp2,':')+1; + tmp=strdup(tmp2); + if(strchr(tmp,':')) { + *strchr(tmp,':')=0; + p->pw_gecos=tmp; + } else { + free(tmp); free(entry); free(p->pw_passwd); free(p->pw_name); free(p); return NULL; + } + tmp2=strchr(tmp2,':')+1; + tmp=strdup(tmp2); + if(strchr(tmp,':')) { + *strchr(tmp,':')=0; + p->pw_dir=tmp; + } else { + free(tmp); free(entry); free(p->pw_gecos); free(p->pw_passwd); free(p->pw_name); free(p); return NULL; + } + tmp2=strchr(tmp2,':')+1; + if(strchr(tmp2,':')) { + free(entry); free(p->pw_dir); free(p->pw_gecos); free(p->pw_passwd); free(p->pw_name); free(p); return NULL; + } + while(strlen(tmp2) && isspace(tmp2[strlen(tmp2)-1])) + tmp2[strlen(tmp2)-1]=0; + p->pw_shell=strdup(tmp2); + free(entry); + return p; +} +#endif + + +struct passwd *bero_getpwnam(const char * name, const char * file) +{ + FILE *f; + struct passwd *p; + struct passwd *r; + + if (!strcmp(file,"/etc/passwd")) + return (getpwnam(name)); + f=fopen(file,"r"); + if(f==NULL) + return NULL; + p=NULL; + r=NULL; + while((r==NULL) && (p=fgetpwent(f))) + if(!strcasecmp(p->pw_name,name)) + r=p; + fclose(f); + return r; +} + +struct passwd *bero_getpwuid(uid_t uid, const char * file) +{ + FILE *f; + struct passwd *p; + struct passwd *r; + + if (!strcmp(file,"/etc/passwd")) + return getpwuid(uid); + f=fopen(file,"r"); + if(f==NULL) + return NULL; + p=NULL; + r=NULL; + while((r==NULL) && (p=fgetpwent(f))) + if(p->pw_uid==uid) + r=p; + fclose(f); + return r; +} + +#ifdef SHADOW_PASSWORD +struct spwd *bero_getspnam(const char * name, const char * file) +{ + FILE *f; + struct spwd *s; + struct spwd *r; + f=fopen(file,"r"); + if(f==NULL) + return NULL; + s=NULL; + r=NULL; + while((r==NULL) && (s=fgetspent(f))) + if(!strcasecmp(s->sp_namp,name)) + r=s; + fclose(f); + return r; +} +#endif |