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- #include <sys/types.h>
- #include <sys/stat.h>
- #include "substdio.h"
- #include "stralloc.h"
- #include "getln.h"
- #include "readwrite.h"
- #include "exit.h"
- #include "error.h"
- #include "strerr.h"
- #include "byte.h"
-
- stralloc target = {0};
- char *to;
-
- #define WARNING "instcheck: warning: "
- #define FATAL "instcheck: fatal: "
- void nomem() { strerr_die2x(111,FATAL,"out of memory"); }
-
- void doit(line)
- stralloc *line;
- {
- struct stat st;
- char *x;
- unsigned int xlen;
- unsigned int i;
- char *type;
- char *uidstr;
- char *gidstr;
- char *modestr;
- char *mid;
- char *name;
- unsigned long uid;
- unsigned long gid;
- unsigned long mode;
- int ftype;
-
- x = line->s; xlen = line->len;
-
- type = x;
- i = byte_chr(x,xlen,':'); if (i == xlen) return;
- x[i++] = 0; x += i; xlen -= i;
-
- uidstr = x;
- i = byte_chr(x,xlen,':'); if (i == xlen) return;
- x[i++] = 0; x += i; xlen -= i;
-
- gidstr = x;
- i = byte_chr(x,xlen,':'); if (i == xlen) return;
- x[i++] = 0; x += i; xlen -= i;
-
- modestr = x;
- i = byte_chr(x,xlen,':'); if (i == xlen) return;
- x[i++] = 0; x += i; xlen -= i;
-
- mid = x;
- i = byte_chr(x,xlen,':'); if (i == xlen) return;
- x[i++] = 0; x += i; xlen -= i;
-
- name = x;
- i = byte_chr(x,xlen,':'); if (i == xlen) return;
- x[i++] = 0; x += i; xlen -= i;
-
- if (!stralloc_copys(&target,to)) nomem();
- if (!stralloc_cats(&target,mid)) nomem();
- if (!stralloc_cats(&target,name)) nomem();
- if (!stralloc_0(&target)) nomem();
-
- uid = -1; if (*uidstr) scan_ulong(uidstr,&uid);
- gid = -1; if (*gidstr) scan_ulong(gidstr,&gid);
- scan_8long(modestr,&mode);
-
- switch(*type) {
- case 'd': ftype = S_IFDIR; break;
- case 'c': ftype = S_IFREG; break;
- case 'z': ftype = S_IFREG; break;
- case 'p': ftype = S_IFIFO; break;
- default: return;
- }
-
- if (stat(target.s,&st) == -1) {
- if (errno == error_noent)
- strerr_warn3(WARNING,target.s," does not exist",0);
- else
- strerr_warn4(WARNING,"unable to stat ",target.s,": ",&strerr_sys);
- return;
- }
-
- if ((uid != -1) && (st.st_uid != uid))
- strerr_warn3(WARNING,target.s," has wrong owner",0);
- if ((gid != -1) && (st.st_gid != gid))
- strerr_warn3(WARNING,target.s," has wrong group",0);
- if ((st.st_mode & 07777) != mode)
- strerr_warn3(WARNING,target.s," has wrong permissions",0);
- if ((st.st_mode & S_IFMT) != ftype)
- strerr_warn3(WARNING,target.s," has wrong type",0);
- }
-
- char buf[256];
- substdio in = SUBSTDIO_FDBUF(read,0,buf,sizeof(buf));
- stralloc line = {0};
-
- void main(argc,argv)
- int argc;
- char **argv;
- {
- int match;
-
- umask(077);
-
- to = argv[1];
- if (!to) strerr_die2x(100,FATAL,"instcheck: usage: instcheck dir");
-
- for (;;) {
- if (getln(&in,&line,&match,'\n') == -1)
- strerr_die2sys(111,FATAL,"unable to read input: ");
- doit(&line);
- if (!match)
- _exit(0);
- }
- }
-