diff options
Diffstat (limited to 'crypto/heimdal/appl/popper/maildir.c')
| -rw-r--r-- | crypto/heimdal/appl/popper/maildir.c | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/crypto/heimdal/appl/popper/maildir.c b/crypto/heimdal/appl/popper/maildir.c new file mode 100644 index 0000000..4c9a441 --- /dev/null +++ b/crypto/heimdal/appl/popper/maildir.c @@ -0,0 +1,216 @@ +/* + * Copyright (c) 1998 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <popper.h> +#include <dirent.h> +RCSID("$Id: maildir.c,v 1.5 1999/12/02 16:58:33 joda Exp $"); + +static void +make_path(POP *p, MsgInfoList *mp, int new, char *buf, size_t len) +{ + snprintf(buf, len, "%s/%s%s%s", p->drop_name, + new ? "new" : "cur", mp ? "/" : "", mp ? mp->name : ""); +} + +static int +scan_file(POP *p, MsgInfoList *mp) +{ + char path[MAXDROPLEN]; + FILE *f; + char buf[1024]; + int eoh = 0; + + make_path(p, mp, mp->flags & NEW_FLAG, path, sizeof(path)); + f = fopen(path, "r"); + + if(f == NULL) { +#ifdef DEBUG + if(p->debug) + pop_log(p, POP_DEBUG, + "Failed to open message file `%s': %s", + path, strerror(errno)); +#endif + return pop_msg (p, POP_FAILURE, + "Failed to open message file `%s'", path); + } + while(fgets(buf, sizeof(buf), f)) { + if(buf[strlen(buf) - 1] == '\n') + mp->lines++; + mp->length += strlen(buf); + if(eoh) + continue; + if(strcmp(buf, "\n") == 0) + eoh = 1; + parse_header(mp, buf); + } + fclose(f); + return add_missing_headers(p, mp); +} + +static int +scan_dir(POP *p, int new) +{ + char tmp[MAXDROPLEN]; + DIR *dir; + struct dirent *dent; + MsgInfoList *mp = p->mlp; + int n_mp = p->msg_count; + int e; + + make_path(p, NULL, new, tmp, sizeof(tmp)); + mkdir(tmp, 0700); + dir = opendir(tmp); + while((dent = readdir(dir)) != NULL) { + if(strcmp(dent->d_name, ".") == 0 || strcmp(dent->d_name, "..") == 0) + continue; + mp = realloc(mp, (n_mp + 1) * sizeof(*mp)); + if(mp == NULL) { + p->msg_count = 0; + return pop_msg (p, POP_FAILURE, + "Can't build message list for '%s': Out of memory", + p->user); + } + memset(mp + n_mp, 0, sizeof(*mp)); + mp[n_mp].name = strdup(dent->d_name); + if(mp[n_mp].name == NULL) { + p->msg_count = 0; + return pop_msg (p, POP_FAILURE, + "Can't build message list for '%s': Out of memory", + p->user); + } + mp[n_mp].number = n_mp + 1; + mp[n_mp].flags = 0; + if(new) + mp[n_mp].flags |= NEW_FLAG; + e = scan_file(p, &mp[n_mp]); + if(e != POP_SUCCESS) + return e; + p->drop_size += mp[n_mp].length; + n_mp++; + } + closedir(dir); + p->mlp = mp; + p->msg_count = n_mp; + return POP_SUCCESS; +} + +int +pop_maildir_info(POP *p) +{ + int e; + + p->temp_drop[0] = '\0'; + p->mlp = NULL; + p->msg_count = 0; + + e = scan_dir(p, 0); + if(e != POP_SUCCESS) return e; + + e = scan_dir(p, 1); + if(e != POP_SUCCESS) return e; + return POP_SUCCESS; +} + +int +pop_maildir_update(POP *p) +{ + int i; + char tmp1[MAXDROPLEN], tmp2[MAXDROPLEN]; + for(i = 0; i < p->msg_count; i++) { + make_path(p, &p->mlp[i], p->mlp[i].flags & NEW_FLAG, + tmp1, sizeof(tmp1)); + if(p->mlp[i].flags & DEL_FLAG) { +#ifdef DEBUG + if(p->debug) + pop_log(p, POP_DEBUG, "Removing `%s'", tmp1); +#endif + if(unlink(tmp1) < 0) { +#ifdef DEBUG + if(p->debug) + pop_log(p, POP_DEBUG, "Failed to remove `%s': %s", + tmp1, strerror(errno)); +#endif + /* return failure? */ + } + } else if((p->mlp[i].flags & NEW_FLAG) && + (p->mlp[i].flags & RETR_FLAG)) { + make_path(p, &p->mlp[i], 0, tmp2, sizeof(tmp2)); +#ifdef DEBUG + if(p->debug) + pop_log(p, POP_DEBUG, "Linking `%s' to `%s'", tmp1, tmp2); +#endif + if(link(tmp1, tmp2) == 0) { +#ifdef DEBUG + if(p->debug) + pop_log(p, POP_DEBUG, "Removing `%s'", tmp1); +#endif + if(unlink(tmp1) < 0) { +#ifdef DEBUG + if(p->debug) + pop_log(p, POP_DEBUG, "Failed to remove `%s'", tmp1); +#endif + /* return failure? */ + } + } else { + if(errno == EXDEV) { +#ifdef DEBUG + if(p->debug) + pop_log(p, POP_DEBUG, "Trying to rename `%s' to `%s'", + tmp1, tmp2); +#endif + if(rename(tmp1, tmp2) < 0) { +#ifdef DEBUG + if(p->debug) + pop_log(p, POP_DEBUG, "Failed to rename `%s' to `%s'", + tmp1, tmp2); +#endif + } + } + } + } + } + return(pop_quit(p)); +} + +int +pop_maildir_open(POP *p, MsgInfoList *mp) +{ + char tmp[MAXDROPLEN]; + make_path(p, mp, mp->flags & NEW_FLAG, tmp, sizeof(tmp)); + if(p->drop) + fclose(p->drop); + p->drop = fopen(tmp, "r"); + if(p->drop == NULL) + return pop_msg(p, POP_FAILURE, "Failed to open message file"); + return POP_SUCCESS; +} |
