| 1 | #include <sys/types.h> |
| 2 | #include <sys/stat.h> |
| 3 | #include <pwd.h> |
| 4 | #include "readwrite.h" |
| 5 | #include "substdio.h" |
| 6 | #include "subfd.h" |
| 7 | #include "error.h" |
| 8 | #include "exit.h" |
| 9 | #include "byte.h" |
| 10 | #include "str.h" |
| 11 | #include "case.h" |
| 12 | #include "fmt.h" |
| 13 | #include "auto_usera.h" |
| 14 | #include "auto_break.h" |
| 15 | #include "qlx.h" |
| 16 | |
| 17 | #define GETPW_USERLEN 32 |
| 18 | |
| 19 | char *local; |
| 20 | struct passwd *pw; |
| 21 | char *dash; |
| 22 | char *extension; |
| 23 | |
| 24 | int userext() |
| 25 | { |
| 26 | char username[GETPW_USERLEN]; |
| 27 | struct stat st; |
| 28 | |
| 29 | extension = local + str_len(local); |
| 30 | for (;;) { |
| 31 | if (extension - local < sizeof(username)) |
| 32 | if (!*extension || (*extension == *auto_break)) { |
| 33 | byte_copy(username,extension - local,local); |
| 34 | username[extension - local] = 0; |
| 35 | case_lowers(username); |
| 36 | errno = 0; |
| 37 | pw = getpwnam(username); |
| 38 | if (errno == error_txtbsy) _exit(QLX_SYS); |
| 39 | if (pw) |
| 40 | if (pw->pw_uid) |
| 41 | if (stat(pw->pw_dir,&st) == 0) { |
| 42 | if (st.st_uid == pw->pw_uid) { |
| 43 | dash = ""; |
| 44 | if (*extension) { ++extension; dash = "-"; } |
| 45 | return 1; |
| 46 | } |
| 47 | } |
| 48 | else |
| 49 | if (error_temp(errno)) _exit(QLX_NFS); |
| 50 | } |
| 51 | if (extension == local) return 0; |
| 52 | --extension; |
| 53 | } |
| 54 | } |
| 55 | |
| 56 | char num[FMT_ULONG]; |
| 57 | |
| 58 | void main(argc,argv) |
| 59 | int argc; |
| 60 | char **argv; |
| 61 | { |
| 62 | local = argv[1]; |
| 63 | if (!local) _exit(100); |
| 64 | |
| 65 | if (!userext()) { |
| 66 | extension = local; |
| 67 | dash = "-"; |
| 68 | pw = getpwnam(auto_usera); |
| 69 | } |
| 70 | |
| 71 | if (!pw) _exit(QLX_NOALIAS); |
| 72 | |
| 73 | substdio_puts(subfdoutsmall,pw->pw_name); |
| 74 | substdio_put(subfdoutsmall,"",1); |
| 75 | substdio_put(subfdoutsmall,num,fmt_ulong(num,(long) pw->pw_uid)); |
| 76 | substdio_put(subfdoutsmall,"",1); |
| 77 | substdio_put(subfdoutsmall,num,fmt_ulong(num,(long) pw->pw_gid)); |
| 78 | substdio_put(subfdoutsmall,"",1); |
| 79 | substdio_puts(subfdoutsmall,pw->pw_dir); |
| 80 | substdio_put(subfdoutsmall,"",1); |
| 81 | substdio_puts(subfdoutsmall,dash); |
| 82 | substdio_put(subfdoutsmall,"",1); |
| 83 | substdio_puts(subfdoutsmall,extension); |
| 84 | substdio_put(subfdoutsmall,"",1); |
| 85 | substdio_flush(subfdoutsmall); |
| 86 | |
| 87 | _exit(0); |
| 88 | } |