| 1 | #include <sys/types.h> |
| 2 | #include <sys/stat.h> |
| 3 | #include "prioq.h" |
| 4 | #include "env.h" |
| 5 | #include "stralloc.h" |
| 6 | #include "direntry.h" |
| 7 | #include "datetime.h" |
| 8 | #include "now.h" |
| 9 | #include "str.h" |
| 10 | #include "maildir.h" |
| 11 | |
| 12 | struct strerr maildir_chdir_err; |
| 13 | struct strerr maildir_scan_err; |
| 14 | |
| 15 | int maildir_chdir() |
| 16 | { |
| 17 | char *maildir; |
| 18 | maildir = env_get("MAILDIR"); |
| 19 | if (!maildir) |
| 20 | STRERR(-1,maildir_chdir_err,"MAILDIR not set") |
| 21 | if (chdir(maildir) == -1) |
| 22 | STRERR_SYS3(-1,maildir_chdir_err,"unable to chdir to ",maildir,": ") |
| 23 | return 0; |
| 24 | } |
| 25 | |
| 26 | void maildir_clean(tmpname) |
| 27 | stralloc *tmpname; |
| 28 | { |
| 29 | DIR *dir; |
| 30 | direntry *d; |
| 31 | datetime_sec time; |
| 32 | struct stat st; |
| 33 | |
| 34 | time = now(); |
| 35 | |
| 36 | dir = opendir("tmp"); |
| 37 | if (!dir) return; |
| 38 | |
| 39 | while (d = readdir(dir)) |
| 40 | { |
| 41 | if (d->d_name[0] == '.') continue; |
| 42 | if (!stralloc_copys(tmpname,"tmp/")) break; |
| 43 | if (!stralloc_cats(tmpname,d->d_name)) break; |
| 44 | if (!stralloc_0(tmpname)) break; |
| 45 | if (stat(tmpname->s,&st) == 0) |
| 46 | if (time > st.st_atime + 129600) |
| 47 | unlink(tmpname->s); |
| 48 | } |
| 49 | closedir(dir); |
| 50 | } |
| 51 | |
| 52 | static int append(pq,filenames,subdir,time) |
| 53 | prioq *pq; |
| 54 | stralloc *filenames; |
| 55 | char *subdir; |
| 56 | datetime_sec time; |
| 57 | { |
| 58 | DIR *dir; |
| 59 | direntry *d; |
| 60 | struct prioq_elt pe; |
| 61 | unsigned int pos; |
| 62 | struct stat st; |
| 63 | |
| 64 | dir = opendir(subdir); |
| 65 | if (!dir) |
| 66 | STRERR_SYS3(-1,maildir_scan_err,"unable to scan $MAILDIR/",subdir,": ") |
| 67 | |
| 68 | while (d = readdir(dir)) |
| 69 | { |
| 70 | if (d->d_name[0] == '.') continue; |
| 71 | pos = filenames->len; |
| 72 | if (!stralloc_cats(filenames,subdir)) break; |
| 73 | if (!stralloc_cats(filenames,"/")) break; |
| 74 | if (!stralloc_cats(filenames,d->d_name)) break; |
| 75 | if (!stralloc_0(filenames)) break; |
| 76 | if (stat(filenames->s + pos,&st) == 0) |
| 77 | if (st.st_mtime < time) /* don't want to mix up the order */ |
| 78 | { |
| 79 | pe.dt = st.st_mtime; |
| 80 | pe.id = pos; |
| 81 | if (!prioq_insert(pq,&pe)) break; |
| 82 | } |
| 83 | } |
| 84 | |
| 85 | closedir(dir); |
| 86 | if (d) STRERR_SYS3(-1,maildir_scan_err,"unable to read $MAILDIR/",subdir,": ") |
| 87 | return 0; |
| 88 | } |
| 89 | |
| 90 | int maildir_scan(pq,filenames,flagnew,flagcur) |
| 91 | prioq *pq; |
| 92 | stralloc *filenames; |
| 93 | int flagnew; |
| 94 | int flagcur; |
| 95 | { |
| 96 | struct prioq_elt pe; |
| 97 | datetime_sec time; |
| 98 | int r; |
| 99 | |
| 100 | if (!stralloc_copys(filenames,"")) return 0; |
| 101 | while (prioq_min(pq,&pe)) prioq_delmin(pq); |
| 102 | |
| 103 | time = now(); |
| 104 | |
| 105 | if (flagnew) if (append(pq,filenames,"new",time) == -1) return -1; |
| 106 | if (flagcur) if (append(pq,filenames,"cur",time) == -1) return -1; |
| 107 | return 0; |
| 108 | } |