Diffstat (limited to 'kmicromail/libetpan/maildir/maildir.c') (more/less context) (ignore whitespace changes)
-rw-r--r-- | kmicromail/libetpan/maildir/maildir.c | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/kmicromail/libetpan/maildir/maildir.c b/kmicromail/libetpan/maildir/maildir.c index 0e038b1..1ef0b7a 100644 --- a/kmicromail/libetpan/maildir/maildir.c +++ b/kmicromail/libetpan/maildir/maildir.c @@ -63,115 +63,120 @@ struct maildir * maildir_new(const char * path) md->mdir_counter = 0; md->mdir_mtime_new = (time_t) -1; md->mdir_mtime_cur = (time_t) -1; md->mdir_pid = getpid(); gethostname(md->mdir_hostname, sizeof(md->mdir_hostname)); strncpy(md->mdir_path, path, sizeof(md->mdir_path)); md->mdir_path[PATH_MAX - 1] = '\0'; md->mdir_msg_list = carray_new(128); if (md->mdir_msg_list == NULL) goto free; md->mdir_msg_hash = chash_new(CHASH_DEFAULTSIZE, CHASH_COPYNONE); if (md->mdir_msg_hash == NULL) goto free_msg_list; return md; free_msg_list: carray_free(md->mdir_msg_list); free: free(md); err: return NULL; } static void maildir_flush(struct maildir * md, int msg_new); void maildir_free(struct maildir * md) { maildir_flush(md, 0); maildir_flush(md, 1); chash_free(md->mdir_msg_hash); carray_free(md->mdir_msg_list); free(md); } #define MAX_TRY_ALLOC 32 static char * maildir_get_new_message_filename(struct maildir * md, char * tmpfile) { char filename[PATH_MAX]; char basename[PATH_MAX]; int k; time_t now; - + struct stat f_stat; now = time(NULL); k = 0; + + fprintf(stderr,"maildir_get_new_message_filename: %s \n", tmpfile); while (k < MAX_TRY_ALLOC) { snprintf(basename, sizeof(basename), "%lu.%u_%u.%s", (unsigned long) now, md->mdir_pid, md->mdir_counter, md->mdir_hostname); snprintf(filename, sizeof(filename), "%s/tmp/%s", md->mdir_path, basename); - - if (link(tmpfile, filename) == 0) { + fprintf(stderr,"filename %s \n", filename); + // LR changed following lines + if ( stat( filename, &f_stat ) == -1 ) { + //if (link(tmpfile, filename) == 0) { char * dup_filename; dup_filename = strdup(filename); if (dup_filename == NULL) { - unlink(filename); + //unlink(filename); return NULL; } - - unlink(tmpfile); + fprintf(stderr,"filename %s %s \n", tmpfile,dup_filename); + //unlink(tmpfile); + rename (tmpfile,dup_filename ); md->mdir_counter ++; return dup_filename; } md->mdir_counter ++; k ++; } return NULL; } static void msg_free(struct maildir_msg * msg) { free(msg->msg_uid); free(msg->msg_filename); free(msg); } /* msg_new() filename is given without path */ static struct maildir_msg * msg_new(char * filename, int new_msg) { struct maildir_msg * msg; char * p; int flags; size_t uid_len; char * begin_uid; /* name of file : xxx-xxx_xxx-xxx:2,SRFT */ msg = malloc(sizeof(* msg)); if (msg == NULL) goto err; msg->msg_filename = strdup(filename); if (msg->msg_filename == NULL) goto free; begin_uid = filename; uid_len = strlen(begin_uid); @@ -227,96 +232,97 @@ static struct maildir_msg * msg_new(char * filename, int new_msg) static void maildir_flush(struct maildir * md, int msg_new) { unsigned int i; i = 0; while (i < carray_count(md->mdir_msg_list)) { struct maildir_msg * msg; int delete; msg = carray_get(md->mdir_msg_list, i); if (msg_new) { delete = 0; if ((msg->msg_flags & MAILDIR_FLAG_NEW) != 0) delete = 1; } else { delete = 1; if ((msg->msg_flags & MAILDIR_FLAG_NEW) != 0) delete = 0; } if (delete) { chashdatum key; key.data = msg->msg_uid; key.len = strlen(msg->msg_uid); chash_delete(md->mdir_msg_hash, &key, NULL); carray_delete(md->mdir_msg_list, i); msg_free(msg); } else { i ++; } } } static int add_message(struct maildir * md, char * filename, int is_new) { struct maildir_msg * msg; chashdatum key; chashdatum value; unsigned int i; int res; int r; + fprintf(stderr,"add_message filename: %s \n", filename); msg = msg_new(filename, is_new); if (msg == NULL) { res = MAILDIR_ERROR_MEMORY; goto err; } r = carray_add(md->mdir_msg_list, msg, &i); if (r < 0) { res = MAILDIR_ERROR_MEMORY; goto free_msg; } key.data = msg->msg_uid; key.len = strlen(msg->msg_uid); value.data = msg; value.len = 0; r = chash_set(md->mdir_msg_hash, &key, &value, NULL); if (r < 0) { res = MAILDIR_ERROR_MEMORY; goto delete; } return MAILDIR_NO_ERROR; delete: carray_delete(md->mdir_msg_list, i); free_msg: msg_free(msg); err: return res; } static int add_directory(struct maildir * md, char * path, int is_new) { DIR * d; struct dirent * entry; int res; int r; char filename[PATH_MAX]; d = opendir(path); if (d == NULL) { res = MAILDIR_ERROR_DIRECTORY; goto err; } while ((entry = readdir(d)) != NULL) { @@ -401,96 +407,97 @@ int maildir_update(struct maildir * md) free: maildir_flush(md, 0); maildir_flush(md, 1); md->mdir_mtime_cur = (time_t) -1; md->mdir_mtime_new = (time_t) -1; return res; } #ifndef LIBETPAN_SYSTEM_BASENAME static char * libetpan_basename(char * filename) { char * next; char * p; p = filename; next = strchr(p, '/'); while (next != NULL) { p = next; next = strchr(p + 1, '/'); } if (p == filename) return filename; else return p + 1; } #else #define libetpan_basename(a) basename(a) #endif int maildir_message_add_uid(struct maildir * md, const char * message, size_t size, char * uid, size_t max_uid_len) { char path_new[PATH_MAX]; char tmpname[PATH_MAX]; int fd; int r; char * mapping; char * delivery_tmp_name; char * delivery_tmp_basename; char delivery_new_name[PATH_MAX]; char * delivery_new_basename; int res; struct stat stat_info; + fprintf(stderr,"maildir_message_add_uid for uid: %s \n", uid); r = maildir_update(md); if (r != MAILDIR_NO_ERROR) { res = r; goto err; } /* write to tmp/ with a classic temporary file */ snprintf(tmpname, sizeof(tmpname), "%s/tmp/etpan-maildir-XXXXXX", md->mdir_path); fd = mkstemp(tmpname); if (fd < 0) { res = MAILDIR_ERROR_FILE; goto err; } r = ftruncate(fd, size); if (r < 0) { res = MAILDIR_ERROR_FILE; goto close; } mapping = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); if (mapping == MAP_FAILED) { res = MAILDIR_ERROR_FILE; goto close; } memcpy(mapping, message, size); msync(mapping, size, MS_SYNC); munmap(mapping, size); close(fd); /* write to tmp/ with maildir standard name */ delivery_tmp_name = maildir_get_new_message_filename(md, tmpname); if (delivery_tmp_name == NULL) { res = MAILDIR_ERROR_FILE; goto unlink; } /* write to new/ with maildir standard name */ strncpy(tmpname, delivery_tmp_name, sizeof(tmpname)); tmpname[sizeof(tmpname) - 1] = '\0'; @@ -513,201 +520,205 @@ int maildir_message_add_uid(struct maildir * md, goto unlink_tmp; } md->mdir_mtime_new = stat_info.st_mtime; delivery_new_basename = libetpan_basename(delivery_new_name); r = add_message(md, delivery_new_basename, 1); if (r != MAILDIR_NO_ERROR) { unlink(delivery_new_name); res = MAILDIR_ERROR_FILE; goto unlink_tmp; } if (uid != NULL) strncpy(uid, delivery_new_basename, max_uid_len); unlink(delivery_tmp_name); free(delivery_tmp_name); return MAILDIR_NO_ERROR; unlink_tmp: unlink(delivery_tmp_name); free(delivery_tmp_name); goto err; close: close(fd); unlink: unlink(tmpname); err: return res; } int maildir_message_add(struct maildir * md, const char * message, size_t size) { return maildir_message_add_uid(md, message, size, NULL, 0); } int maildir_message_add_file_uid(struct maildir * md, int fd, char * uid, size_t max_uid_len) { char * message; struct stat buf; int r; + fprintf(stderr,"maildir_message_add_file_uid: %s \n", uid); if (fstat(fd, &buf) == -1) return MAILDIR_ERROR_FILE; message = mmap(NULL, buf.st_size, PROT_READ, MAP_PRIVATE, fd, 0); if (message == MAP_FAILED) return MAILDIR_ERROR_FILE; r = maildir_message_add_uid(md, message, buf.st_size, uid, max_uid_len); munmap(message, buf.st_size); return r; } int maildir_message_add_file(struct maildir * md, int fd) { + fprintf(stderr,"maildir_message_add_file \n"); return maildir_message_add_file_uid(md, fd, NULL, 0); } char * maildir_message_get(struct maildir * md, const char * uid) { chashdatum key; chashdatum value; char filename[PATH_MAX]; char * dup_filename; struct maildir_msg * msg; char * dir; int r; + fprintf(stderr,"maildir_message_get for uid: %s \n", uid); key.data = (void *) uid; key.len = strlen(uid); r = chash_get(md->mdir_msg_hash, &key, &value); if (r < 0) return NULL; msg = value.data; if ((msg->msg_flags & MAILDIR_FLAG_NEW) != 0) dir = "new"; else dir = "cur"; snprintf(filename, sizeof(filename), "%s/%s/%s", md->mdir_path, dir, msg->msg_filename); dup_filename = strdup(filename); if (dup_filename == NULL) return NULL; return dup_filename; } int maildir_message_remove(struct maildir * md, const char * uid) { chashdatum key; chashdatum value; char filename[PATH_MAX]; struct maildir_msg * msg; char * dir; int r; int res; + fprintf(stderr,"maildir_message_remove for uid: %s \n", uid); key.data = (void *) uid; key.len = strlen(uid); r = chash_get(md->mdir_msg_hash, &key, &value); if (r < 0) { res = MAILDIR_ERROR_NOT_FOUND; goto err; } msg = value.data; if ((msg->msg_flags & MAILDIR_FLAG_NEW) != 0) dir = "new"; else dir = "cur"; snprintf(filename, sizeof(filename), "%s/%s/%s", md->mdir_path, dir, msg->msg_filename); r = unlink(filename); if (r < 0) { res = MAILDIR_ERROR_FILE; goto err; } return MAILDIR_NO_ERROR; err: return res; } int maildir_message_change_flags(struct maildir * md, const char * uid, int new_flags) { chashdatum key; chashdatum value; char filename[PATH_MAX]; struct maildir_msg * msg; char * dir; int r; char new_filename[PATH_MAX]; char flag_str[5]; size_t i; int res; - + fprintf(stderr,"maildir_message_change_flags for uid: %s \n", uid); key.data = (void *) uid; key.len = strlen(uid); r = chash_get(md->mdir_msg_hash, &key, &value); if (r < 0) { res = MAILDIR_ERROR_NOT_FOUND; goto err; } msg = value.data; if ((msg->msg_flags & MAILDIR_FLAG_NEW) != 0) dir = "new"; else dir = "cur"; snprintf(filename, sizeof(filename), "%s/%s/%s", md->mdir_path, dir, msg->msg_filename); if ((new_flags & MAILDIR_FLAG_NEW) != 0) dir = "new"; else dir = "cur"; i = 0; if ((new_flags & MAILDIR_FLAG_SEEN) != 0) { flag_str[i] = 'S'; i ++; } if ((new_flags & MAILDIR_FLAG_REPLIED) != 0) { flag_str[i] = 'R'; i ++; } if ((new_flags & MAILDIR_FLAG_FLAGGED) != 0) { flag_str[i] = 'F'; i ++; } if ((new_flags & MAILDIR_FLAG_TRASHED) != 0) { flag_str[i] = 'T'; i ++; } flag_str[i] = 0; if (flag_str[0] == '\0') snprintf(new_filename, sizeof(new_filename), "%s/%s/%s", md->mdir_path, dir, msg->msg_uid); else snprintf(new_filename, sizeof(new_filename), "%s/%s/%s:2,%s", md->mdir_path, dir, msg->msg_uid, flag_str); 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