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authorDan McGee <dan@archlinux.org>2011-07-05 22:01:29 -0500
committerDan McGee <dan@archlinux.org>2011-07-05 22:01:29 -0500
commitb678e002714b732d7ea6a48029ac1a5b285d04e5 (patch)
treeb3fe62d91cf53fd10d238ad9014d824135fd2172
parenteda741ae93519bea80af45e01ba7417cc50a4e1b (diff)
parent57eac093c40b0a54ab5d9f14519b9e44140e0c3d (diff)
Merge remote-tracking branch 'dave/download'
-rw-r--r--lib/libalpm/Makefile.am1
-rw-r--r--lib/libalpm/be_sync.c30
-rw-r--r--lib/libalpm/dload.c232
-rw-r--r--lib/libalpm/dload.h15
-rw-r--r--lib/libalpm/rawstr.c135
-rw-r--r--lib/libalpm/sync.c39
-rw-r--r--lib/libalpm/util.h2
7 files changed, 365 insertions, 89 deletions
diff --git a/lib/libalpm/Makefile.am b/lib/libalpm/Makefile.am
index b2b6d0d2..c863fa9b 100644
--- a/lib/libalpm/Makefile.am
+++ b/lib/libalpm/Makefile.am
@@ -41,6 +41,7 @@ libalpm_la_SOURCES = \
log.h log.c \
package.h package.c \
pkghash.h pkghash.c \
+ rawstr.c \
remove.h remove.c \
signing.c signing.h \
sync.h sync.c \
diff --git a/lib/libalpm/be_sync.c b/lib/libalpm/be_sync.c
index e3871001..d7e14ba3 100644
--- a/lib/libalpm/be_sync.c
+++ b/lib/libalpm/be_sync.c
@@ -172,16 +172,23 @@ int SYMEXPORT alpm_db_update(int force, alpm_db_t *db)
for(i = db->servers; i; i = i->next) {
const char *server = i->data;
- char *fileurl;
+ struct dload_payload *payload;
size_t len;
int sig_ret = 0;
+ CALLOC(payload, 1, sizeof(*payload), RET_ERR(handle, ALPM_ERR_MEMORY, -1));
+
+ /* set hard upper limit of 25MiB */
+ payload->max_size = 25 * 1024 * 1024;
+
/* print server + filename into a buffer (leave space for .sig) */
len = strlen(server) + strlen(db->treename) + 9;
- CALLOC(fileurl, len, sizeof(char), RET_ERR(handle, ALPM_ERR_MEMORY, -1));
- snprintf(fileurl, len, "%s/%s.db", server, db->treename);
+ CALLOC(payload->fileurl, len, sizeof(char), RET_ERR(handle, ALPM_ERR_MEMORY, -1));
+ snprintf(payload->fileurl, len, "%s/%s.db", server, db->treename);
+ payload->handle = handle;
+ payload->force = force;
- ret = _alpm_download(handle, fileurl, syncpath, force, 0, 0);
+ ret = _alpm_download(payload, syncpath, NULL);
if(ret == 0 && (level & ALPM_SIG_DATABASE)) {
/* an existing sig file is no good at this point */
@@ -193,16 +200,21 @@ int SYMEXPORT alpm_db_update(int force, alpm_db_t *db)
unlink(sigpath);
free(sigpath);
- int errors_ok = (level & ALPM_SIG_DATABASE_OPTIONAL);
/* if we downloaded a DB, we want the .sig from the same server */
- snprintf(fileurl, len, "%s/%s.db.sig", server, db->treename);
+ snprintf(payload->fileurl, len, "%s/%s.db.sig", server, db->treename);
+ payload->handle = handle;
+ payload->force = 1;
+ payload->errors_ok = (level & ALPM_SIG_DATABASE_OPTIONAL);
+
+ /* set hard upper limit of 16KiB */
+ payload->max_size = 16 * 1024;
- sig_ret = _alpm_download(handle, fileurl, syncpath, 1, 0, errors_ok);
+ sig_ret = _alpm_download(payload, syncpath, NULL);
/* errors_ok suppresses error messages, but not the return code */
- sig_ret = errors_ok ? 0 : sig_ret;
+ sig_ret = payload->errors_ok ? 0 : sig_ret;
}
- FREE(fileurl);
+ _alpm_dload_payload_free(payload);
if(ret != -1 && sig_ret != -1) {
break;
}
diff --git a/lib/libalpm/dload.c b/lib/libalpm/dload.c
index 4b4d8dff..23b8db72 100644
--- a/lib/libalpm/dload.c
+++ b/lib/libalpm/dload.c
@@ -42,10 +42,6 @@
#include "util.h"
#include "handle.h"
-#ifdef HAVE_LIBCURL
-static double prevprogress; /* last download amount */
-#endif
-
static const char *get_filename(const char *url)
{
char *filename = strrchr(url, '/');
@@ -56,6 +52,8 @@ static const char *get_filename(const char *url)
}
#ifdef HAVE_LIBCURL
+static double prevprogress; /* last download amount */
+
static char *get_fullpath(const char *path, const char *filename,
const char *suffix)
{
@@ -80,7 +78,7 @@ static void inthandler(int UNUSED signum)
static int curl_progress(void *file, double dltotal, double dlnow,
double UNUSED ultotal, double UNUSED ulnow)
{
- struct fileinfo *dlfile = (struct fileinfo *)file;
+ struct dload_payload *payload = (struct dload_payload *)file;
double current_size, total_size;
/* SIGINT sent, abort by alerting curl */
@@ -89,12 +87,12 @@ static int curl_progress(void *file, double dltotal, double dlnow,
}
/* none of what follows matters if the front end has no callback */
- if(dlfile->handle->dlcb == NULL) {
+ if(payload->handle->dlcb == NULL) {
return 0;
}
- current_size = dlfile->initial_size + dlnow;
- total_size = dlfile->initial_size + dltotal;
+ current_size = payload->initial_size + dlnow;
+ total_size = payload->initial_size + dltotal;
if(DOUBLE_EQ(dltotal, 0) || DOUBLE_EQ(prevprogress, total_size)) {
return 0;
@@ -103,10 +101,10 @@ static int curl_progress(void *file, double dltotal, double dlnow,
/* initialize the progress bar here to avoid displaying it when
* a repo is up to date and nothing gets downloaded */
if(DOUBLE_EQ(prevprogress, 0)) {
- dlfile->handle->dlcb(dlfile->filename, 0, (long)dltotal);
+ payload->handle->dlcb(payload->filename, 0, (long)dltotal);
}
- dlfile->handle->dlcb(dlfile->filename, (long)current_size, (long)total_size);
+ payload->handle->dlcb(payload->filename, (long)current_size, (long)total_size);
prevprogress = current_size;
@@ -148,16 +146,45 @@ static int utimes_long(const char *path, long seconds)
return 0;
}
+static size_t parse_headers(void *ptr, size_t size, size_t nmemb, void *user)
+{
+ size_t realsize = size * nmemb;
+ const char *fptr, *endptr = NULL;
+ const char * const cd_header = "Content-Disposition:";
+ const char * const fn_key = "filename=";
+ struct dload_payload *payload = (struct dload_payload *)user;
+
+ if(_alpm_raw_ncmp(cd_header, ptr, strlen(cd_header)) == 0) {
+ if((fptr = strstr(ptr, fn_key))) {
+ fptr += strlen(fn_key);
+
+ /* find the end of the field, which is either a semi-colon, or the end of
+ * the data. As per curl_easy_setopt(3), we cannot count on headers being
+ * null terminated, so we look for the closing \r\n */
+ endptr = fptr + strcspn(fptr, ";\r\n") - 1;
+
+ /* remove quotes */
+ if(*fptr == '"' && *endptr == '"') {
+ fptr++;
+ endptr--;
+ }
+
+ STRNDUP(payload->cd_filename, fptr, endptr - fptr + 1,
+ RET_ERR(payload->handle, ALPM_ERR_MEMORY, realsize));
+ }
+ }
-static int curl_download_internal(alpm_handle_t *handle,
- const char *url, const char *localpath,
- int force, int allow_resume, int errors_ok)
+ return realsize;
+}
+
+static int curl_download_internal(struct dload_payload *payload,
+ const char *localpath, char **final_file)
{
- int ret = -1;
+ int ret = -1, should_unlink = 0;
FILE *localf = NULL;
const char *useragent;
const char *open_mode = "wb";
- char *destfile, *tempfile;
+ char *destfile = NULL, *tempfile = NULL, *effective_url;
/* RFC1123 states applications should support this length */
char hostname[256];
char error_buffer[CURL_ERROR_SIZE];
@@ -165,20 +192,44 @@ static int curl_download_internal(alpm_handle_t *handle,
long timecond, remote_time = -1;
double remote_size, bytes_dl;
struct sigaction sig_pipe[2], sig_int[2];
- struct fileinfo dlfile;
+ /* shortcut to our handle within the payload */
+ alpm_handle_t *handle = payload->handle;
- dlfile.handle = handle;
- dlfile.initial_size = 0.0;
- dlfile.filename = get_filename(url);
- if(!dlfile.filename || curl_gethost(url, hostname) != 0) {
- _alpm_log(handle, ALPM_LOG_ERROR, _("url '%s' is invalid\n"), url);
+ if(!payload->filename) {
+ payload->filename = get_filename(payload->fileurl);
+ }
+ if(!payload->filename || curl_gethost(payload->fileurl, hostname) != 0) {
+ _alpm_log(handle, ALPM_LOG_ERROR, _("url '%s' is invalid\n"), payload->fileurl);
RET_ERR(handle, ALPM_ERR_SERVER_BAD_URL, -1);
}
- destfile = get_fullpath(localpath, dlfile.filename, "");
- tempfile = get_fullpath(localpath, dlfile.filename, ".part");
- if(!destfile || !tempfile) {
- goto cleanup;
+ if(strlen(payload->filename) > 0 && strcmp(payload->filename, ".sig") != 0) {
+ destfile = get_fullpath(localpath, payload->filename, "");
+ tempfile = get_fullpath(localpath, payload->filename, ".part");
+ if(!destfile || !tempfile) {
+ goto cleanup;
+ }
+ } else {
+ /* URL isn't to a file and ended with a slash */
+ int fd;
+ char randpath[PATH_MAX];
+
+ /* we can't support resuming this kind of download, so a partial transfer
+ * will be destroyed */
+ should_unlink = 1;
+
+ /* create a random filename, which is opened with O_EXCL */
+ snprintf(randpath, PATH_MAX, "%salpmtmp.XXXXXX", localpath);
+ if((fd = mkstemp(randpath)) == -1 || !(localf = fdopen(fd, open_mode))) {
+ unlink(randpath);
+ close(fd);
+ _alpm_log(handle, ALPM_LOG_ERROR,
+ _("failed to create temporary file for download\n"));
+ goto cleanup;
+ }
+ /* localf now points to our alpmtmp.XXXXXX */
+ STRDUP(tempfile, randpath, RET_ERR(handle, ALPM_ERR_MEMORY, -1));
+ payload->filename = strrchr(randpath, '/') + 1;
}
error_buffer[0] = '\0';
@@ -186,7 +237,7 @@ static int curl_download_internal(alpm_handle_t *handle,
/* the curl_easy handle is initialized with the alpm handle, so we only need
* to reset the curl handle set parameters for each time it's used. */
curl_easy_reset(handle->curl);
- curl_easy_setopt(handle->curl, CURLOPT_URL, url);
+ curl_easy_setopt(handle->curl, CURLOPT_URL, payload->fileurl);
curl_easy_setopt(handle->curl, CURLOPT_FAILONERROR, 1L);
curl_easy_setopt(handle->curl, CURLOPT_ERRORBUFFER, error_buffer);
curl_easy_setopt(handle->curl, CURLOPT_CONNECTTIMEOUT, 10L);
@@ -194,30 +245,38 @@ static int curl_download_internal(alpm_handle_t *handle,
curl_easy_setopt(handle->curl, CURLOPT_NOPROGRESS, 0L);
curl_easy_setopt(handle->curl, CURLOPT_FOLLOWLOCATION, 1L);
curl_easy_setopt(handle->curl, CURLOPT_PROGRESSFUNCTION, curl_progress);
- curl_easy_setopt(handle->curl, CURLOPT_PROGRESSDATA, (void *)&dlfile);
+ curl_easy_setopt(handle->curl, CURLOPT_PROGRESSDATA, (void *)payload);
curl_easy_setopt(handle->curl, CURLOPT_LOW_SPEED_LIMIT, 1024L);
curl_easy_setopt(handle->curl, CURLOPT_LOW_SPEED_TIME, 10L);
+ curl_easy_setopt(handle->curl, CURLOPT_HEADERFUNCTION, parse_headers);
+ curl_easy_setopt(handle->curl, CURLOPT_WRITEHEADER, (void *)payload);
+
+ if(payload->max_size) {
+ curl_easy_setopt(handle->curl, CURLOPT_MAXFILESIZE, payload->max_size);
+ }
useragent = getenv("HTTP_USER_AGENT");
if(useragent != NULL) {
curl_easy_setopt(handle->curl, CURLOPT_USERAGENT, useragent);
}
- if(!allow_resume && !force && stat(destfile, &st) == 0) {
+ if(!payload->allow_resume && !payload->force && stat(destfile, &st) == 0) {
/* start from scratch, but only download if our local is out of date. */
curl_easy_setopt(handle->curl, CURLOPT_TIMECONDITION, CURL_TIMECOND_IFMODSINCE);
curl_easy_setopt(handle->curl, CURLOPT_TIMEVALUE, (long)st.st_mtime);
- } else if(stat(tempfile, &st) == 0 && allow_resume) {
+ } else if(stat(tempfile, &st) == 0 && payload->allow_resume) {
/* a previous partial download exists, resume from end of file. */
open_mode = "ab";
curl_easy_setopt(handle->curl, CURLOPT_RESUME_FROM, (long)st.st_size);
_alpm_log(handle, ALPM_LOG_DEBUG, "tempfile found, attempting continuation\n");
- dlfile.initial_size = (double)st.st_size;
+ payload->initial_size = (double)st.st_size;
}
- localf = fopen(tempfile, open_mode);
if(localf == NULL) {
- goto cleanup;
+ localf = fopen(tempfile, open_mode);
+ if(localf == NULL) {
+ goto cleanup;
+ }
}
curl_easy_setopt(handle->curl, CURLOPT_WRITEDATA, localf);
@@ -247,13 +306,13 @@ static int curl_download_internal(alpm_handle_t *handle,
if(handle->curlerr == CURLE_ABORTED_BY_CALLBACK) {
goto cleanup;
} else if(handle->curlerr != CURLE_OK) {
- if(!errors_ok) {
+ if(!payload->errors_ok) {
handle->pm_errno = ALPM_ERR_LIBCURL;
_alpm_log(handle, ALPM_LOG_ERROR, _("failed retrieving file '%s' from %s : %s\n"),
- dlfile.filename, hostname, error_buffer);
+ payload->filename, hostname, error_buffer);
} else {
_alpm_log(handle, ALPM_LOG_DEBUG, "failed retrieving file '%s' from %s : %s\n",
- dlfile.filename, hostname, error_buffer);
+ payload->filename, hostname, error_buffer);
}
unlink(tempfile);
goto cleanup;
@@ -264,6 +323,7 @@ static int curl_download_internal(alpm_handle_t *handle,
curl_easy_getinfo(handle->curl, CURLINFO_CONTENT_LENGTH_DOWNLOAD, &remote_size);
curl_easy_getinfo(handle->curl, CURLINFO_SIZE_DOWNLOAD, &bytes_dl);
curl_easy_getinfo(handle->curl, CURLINFO_CONDITION_UNMET, &timecond);
+ curl_easy_getinfo(handle->curl, CURLINFO_EFFECTIVE_URL, &effective_url);
/* time condition was met and we didn't download anything. we need to
* clean up the 0 byte .part file that's left behind. */
@@ -280,10 +340,30 @@ static int curl_download_internal(alpm_handle_t *handle,
!DOUBLE_EQ(bytes_dl, remote_size)) {
handle->pm_errno = ALPM_ERR_RETRIEVE;
_alpm_log(handle, ALPM_LOG_ERROR, _("%s appears to be truncated: %jd/%jd bytes\n"),
- dlfile.filename, (intmax_t)bytes_dl, (intmax_t)remote_size);
+ payload->filename, (intmax_t)bytes_dl, (intmax_t)remote_size);
goto cleanup;
}
+ if(payload->cd_filename) {
+ /* content-disposition header has a better name for our file */
+ free(destfile);
+ destfile = get_fullpath(localpath, payload->cd_filename, "");
+ } else {
+ const char *effective_filename = strrchr(effective_url, '/');
+ if(effective_filename) {
+ effective_filename++;
+
+ /* if destfile was never set, we wrote to a tempfile. even if destfile is
+ * set, we may have followed some redirects and the effective url may
+ * have a better suggestion as to what to name our file. in either case,
+ * refactor destfile to this newly derived name. */
+ if(!destfile || strcmp(effective_filename, strrchr(destfile, '/') + 1) != 0) {
+ free(destfile);
+ destfile = get_fullpath(localpath, effective_filename, "");
+ }
+ }
+ }
+
ret = 0;
cleanup:
@@ -294,6 +374,13 @@ cleanup:
if(ret == 0) {
rename(tempfile, destfile);
+ if(final_file) {
+ *final_file = strdup(strrchr(destfile, '/') + 1);
+ }
+ }
+
+ if(dload_interrupted && should_unlink) {
+ unlink(tempfile);
}
FREE(tempfile);
@@ -313,27 +400,25 @@ cleanup:
/** Download a file given by a URL to a local directory.
* Does not overwrite an existing file if the download fails.
- * @param handle the context handle
- * @param url the file's URL
+ * @param payload the payload context
* @param localpath the directory to save the file in
- * @param force force download even if there is an up-to-date local copy
- * @param allow_resume allow a partial download to be resumed
- * @param errors_ok do not log errors (but still return them)
+ * @param final_file the real name of the downloaded file (may be NULL)
* @return 0 on success, -1 on error (pm_errno is set accordingly if errors_ok == 0)
*/
-int _alpm_download(alpm_handle_t *handle, const char *url, const char *localpath,
- int force, int allow_resume, int errors_ok)
+int _alpm_download(struct dload_payload *payload, const char *localpath,
+ char **final_file)
{
+ alpm_handle_t *handle = payload->handle;
+
if(handle->fetchcb == NULL) {
#ifdef HAVE_LIBCURL
- return curl_download_internal(handle, url, localpath,
- force, allow_resume, errors_ok);
+ return curl_download_internal(payload, localpath, final_file);
#else
RET_ERR(handle, ALPM_ERR_EXTERNAL_DOWNLOAD, -1);
#endif
} else {
- int ret = handle->fetchcb(url, localpath, force);
- if(ret == -1 && !errors_ok) {
+ int ret = handle->fetchcb(payload->fileurl, localpath, payload->force);
+ if(ret == -1 && !payload->errors_ok) {
RET_ERR(handle, ALPM_ERR_EXTERNAL_DOWNLOAD, -1);
}
return ret;
@@ -344,18 +429,23 @@ int _alpm_download(alpm_handle_t *handle, const char *url, const char *localpath
char SYMEXPORT *alpm_fetch_pkgurl(alpm_handle_t *handle, const char *url)
{
char *filepath;
- const char *filename, *cachedir;
+ const char *cachedir;
+ char *final_file = NULL;
+ struct dload_payload *payload;
int ret;
CHECK_HANDLE(handle, return NULL);
- filename = get_filename(url);
-
/* find a valid cache dir to download to */
cachedir = _alpm_filecache_setup(handle);
+ CALLOC(payload, 1, sizeof(*payload), RET_ERR(handle, ALPM_ERR_MEMORY, NULL));
+ payload->handle = handle;
+ payload->fileurl = strdup(url);
+ payload->allow_resume = 1;
+
/* download the file */
- ret = _alpm_download(handle, url, cachedir, 0, 1, 0);
+ ret = _alpm_download(payload, cachedir, &final_file);
if(ret == -1) {
_alpm_log(handle, ALPM_LOG_WARNING, _("failed to download %s\n"), url);
return NULL;
@@ -364,28 +454,46 @@ char SYMEXPORT *alpm_fetch_pkgurl(alpm_handle_t *handle, const char *url)
/* attempt to download the signature */
if(ret == 0 && (handle->siglevel & ALPM_SIG_PACKAGE)) {
- char *sig_url;
+ char *sig_final_file = NULL;
size_t len;
- int errors_ok = (handle->siglevel & ALPM_SIG_PACKAGE_OPTIONAL);
+ struct dload_payload *sig_payload;
+ CALLOC(sig_payload, 1, sizeof(*sig_payload), RET_ERR(handle, ALPM_ERR_MEMORY, NULL));
len = strlen(url) + 5;
- CALLOC(sig_url, len, sizeof(char), RET_ERR(handle, ALPM_ERR_MEMORY, NULL));
- snprintf(sig_url, len, "%s.sig", url);
-
- ret = _alpm_download(handle, sig_url, cachedir, 1, 0, errors_ok);
- if(ret == -1 && !errors_ok) {
- _alpm_log(handle, ALPM_LOG_WARNING, _("failed to download %s\n"), sig_url);
+ CALLOC(sig_payload->fileurl, len, sizeof(char), RET_ERR(handle, ALPM_ERR_MEMORY, NULL));
+ snprintf(sig_payload->fileurl, len, "%s.sig", url);
+ sig_payload->handle = handle;
+ sig_payload->force = 1;
+ sig_payload->errors_ok = (handle->siglevel & ALPM_SIG_PACKAGE_OPTIONAL);
+
+ ret = _alpm_download(sig_payload, cachedir, &sig_final_file);
+ if(ret == -1 && !sig_payload->errors_ok) {
+ _alpm_log(handle, ALPM_LOG_WARNING, _("failed to download %s\n"), sig_payload->fileurl);
/* Warn now, but don't return NULL. We will fail later during package
* load time. */
} else if(ret == 0) {
- _alpm_log(handle, ALPM_LOG_DEBUG, "successfully downloaded %s\n", sig_url);
+ _alpm_log(handle, ALPM_LOG_DEBUG, "successfully downloaded %s\n", sig_payload->fileurl);
}
- FREE(sig_url);
+ FREE(sig_final_file);
+ _alpm_dload_payload_free(sig_payload);
}
/* we should be able to find the file the second time around */
- filepath = _alpm_filecache_find(handle, filename);
+ filepath = _alpm_filecache_find(handle, final_file);
+ FREE(final_file);
+ _alpm_dload_payload_free(payload);
+
return filepath;
}
+void _alpm_dload_payload_free(struct dload_payload *payload) {
+ struct dload_payload *load = (struct dload_payload *)payload;
+
+ ASSERT(load, return);
+
+ FREE(load->fileurl);
+ FREE(load->cd_filename);
+ FREE(load);
+}
+
/* vim: set ts=2 sw=2 noet: */
diff --git a/lib/libalpm/dload.h b/lib/libalpm/dload.h
index 0cdd9001..341a4a1a 100644
--- a/lib/libalpm/dload.h
+++ b/lib/libalpm/dload.h
@@ -25,15 +25,22 @@
#include <time.h>
-/* internal structure for communicating with curl progress callback */
-struct fileinfo {
+struct dload_payload {
alpm_handle_t *handle;
const char *filename;
+ char *cd_filename;
+ char *fileurl;
double initial_size;
+ long max_size;
+ int force;
+ int allow_resume;
+ int errors_ok;
};
-int _alpm_download(alpm_handle_t *handle, const char *url, const char *localpath,
- int force, int allow_resume, int errors_ok);
+void _alpm_dload_payload_free(struct dload_payload *payload);
+
+int _alpm_download(struct dload_payload *payload, const char *localpath,
+ char **final_file);
#endif /* _ALPM_DLOAD_H */
diff --git a/lib/libalpm/rawstr.c b/lib/libalpm/rawstr.c
new file mode 100644
index 00000000..69224cbc
--- /dev/null
+++ b/lib/libalpm/rawstr.c
@@ -0,0 +1,135 @@
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at http://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/* These functions are borrowed from libcurl's lib/rawstr.c with minor
+ * modifications to style and naming. Curl_raw_equal and Curl_raw_nequal are
+ * further modified to be true cmp style functions, returning negative, zero,
+ * or positive. */
+
+#include <stdlib.h>
+
+/* Portable, consistent toupper (remember EBCDIC). Do not use toupper() because
+ its behavior is altered by the current locale. */
+static char raw_toupper(char in)
+{
+ switch(in) {
+ case 'a':
+ return 'A';
+ case 'b':
+ return 'B';
+ case 'c':
+ return 'C';
+ case 'd':
+ return 'D';
+ case 'e':
+ return 'E';
+ case 'f':
+ return 'F';
+ case 'g':
+ return 'G';
+ case 'h':
+ return 'H';
+ case 'i':
+ return 'I';
+ case 'j':
+ return 'J';
+ case 'k':
+ return 'K';
+ case 'l':
+ return 'L';
+ case 'm':
+ return 'M';
+ case 'n':
+ return 'N';
+ case 'o':
+ return 'O';
+ case 'p':
+ return 'P';
+ case 'q':
+ return 'Q';
+ case 'r':
+ return 'R';
+ case 's':
+ return 'S';
+ case 't':
+ return 'T';
+ case 'u':
+ return 'U';
+ case 'v':
+ return 'V';
+ case 'w':
+ return 'W';
+ case 'x':
+ return 'X';
+ case 'y':
+ return 'Y';
+ case 'z':
+ return 'Z';
+ }
+ return in;
+}
+
+/*
+ * _alpm_raw_cmp() is for doing "raw" case insensitive strings. This is meant
+ * to be locale independent and only compare strings we know are safe for
+ * this. See http://daniel.haxx.se/blog/2008/10/15/strcasecmp-in-turkish/ for
+ * some further explanation to why this function is necessary.
+ *
+ * The function is capable of comparing a-z case insensitively even for
+ * non-ascii.
+ */
+
+int _alpm_raw_cmp(const char *first, const char *second)
+{
+ while(*first && *second) {
+ if(raw_toupper(*first) != raw_toupper(*second)) {
+ /* get out of the loop as soon as they don't match */
+ break;
+ }
+ first++;
+ second++;
+ }
+ /* we do the comparison here (possibly again), just to make sure that if the
+ loop above is skipped because one of the strings reached zero, we must not
+ return this as a successful match */
+ return (raw_toupper(*first) - raw_toupper(*second));
+}
+
+int _alpm_raw_ncmp(const char *first, const char *second, size_t max)
+{
+ while(*first && *second && max) {
+ if(raw_toupper(*first) != raw_toupper(*second)) {
+ break;
+ }
+ max--;
+ first++;
+ second++;
+ }
+ if(0 == max) {
+ /* they are equal this far */
+ return 0;
+ }
+
+ return (raw_toupper(*first) - raw_toupper(*second));
+}
+
+/* vim: set ts=2 sw=2 noet: */
diff --git a/lib/libalpm/sync.c b/lib/libalpm/sync.c
index 1d712797..ca7e6579 100644
--- a/lib/libalpm/sync.c
+++ b/lib/libalpm/sync.c
@@ -765,10 +765,6 @@ static int download_files(alpm_handle_t *handle, alpm_list_t **deltas)
alpm_pkg_t *spkg = j->data;
if(spkg->origin != PKG_FROM_FILE && current == spkg->origin_data.db) {
- const char *fname = NULL;
-
- fname = alpm_pkg_get_filename(spkg);
- ASSERT(fname != NULL, RET_ERR(handle, ALPM_ERR_PKG_INVALID_NAME, -1));
alpm_list_t *delta_path = spkg->delta_path;
if(delta_path) {
/* using deltas */
@@ -776,14 +772,27 @@ static int download_files(alpm_handle_t *handle, alpm_list_t **deltas)
for(dlts = delta_path; dlts; dlts = dlts->next) {
alpm_delta_t *delta = dlts->data;
if(delta->download_size != 0) {
- files = alpm_list_add(files, strdup(delta->delta));
+ struct dload_payload *dpayload;
+
+ CALLOC(dpayload, 1, sizeof(*dpayload), RET_ERR(handle, ALPM_ERR_MEMORY, -1));
+ STRDUP(dpayload->filename, delta->delta, RET_ERR(handle, ALPM_ERR_MEMORY, -1));
+ dpayload->max_size = delta->download_size;
+
+ files = alpm_list_add(files, dpayload);
}
/* keep a list of all the delta files for md5sums */
*deltas = alpm_list_add(*deltas, delta);
}
} else if(spkg->download_size != 0) {
- files = alpm_list_add(files, strdup(fname));
+ struct dload_payload *payload;
+
+ ASSERT(spkg->filename != NULL, RET_ERR(handle, ALPM_ERR_PKG_INVALID_NAME, -1));
+ CALLOC(payload, 1, sizeof(*payload), RET_ERR(handle, ALPM_ERR_MEMORY, -1));
+ STRDUP(payload->filename, spkg->filename, RET_ERR(handle, ALPM_ERR_MEMORY, -1));
+ payload->max_size = alpm_pkg_get_size(spkg);
+
+ files = alpm_list_add(files, payload);
}
}
@@ -792,21 +801,21 @@ static int download_files(alpm_handle_t *handle, alpm_list_t **deltas)
if(files) {
EVENT(handle->trans, ALPM_TRANS_EVT_RETRIEVE_START, current->treename, NULL);
for(j = files; j; j = j->next) {
- const char *filename = j->data;
+ struct dload_payload *payload = j->data;
alpm_list_t *server;
int ret = -1;
for(server = current->servers; server; server = server->next) {
const char *server_url = server->data;
- char *fileurl;
size_t len;
/* print server + filename into a buffer */
- len = strlen(server_url) + strlen(filename) + 2;
- CALLOC(fileurl, len, sizeof(char), RET_ERR(handle, ALPM_ERR_MEMORY, -1));
- snprintf(fileurl, len, "%s/%s", server_url, filename);
+ len = strlen(server_url) + strlen(payload->filename) + 2;
+ CALLOC(payload->fileurl, len, sizeof(char), RET_ERR(handle, ALPM_ERR_MEMORY, -1));
+ snprintf(payload->fileurl, len, "%s/%s", server_url, payload->filename);
+ payload->handle = handle;
+ payload->allow_resume = 1;
- ret = _alpm_download(handle, fileurl, cachedir, 0, 1, 0);
- FREE(fileurl);
+ ret = _alpm_download(payload, cachedir, NULL);
if(ret != -1) {
break;
}
@@ -816,7 +825,9 @@ static int download_files(alpm_handle_t *handle, alpm_list_t **deltas)
}
}
- FREELIST(files);
+ alpm_list_free_inner(files, (alpm_list_fn_free)_alpm_dload_payload_free);
+ alpm_list_free(files);
+ files = NULL;
if(errors) {
_alpm_log(handle, ALPM_LOG_WARNING, _("failed to retrieve some files from %s\n"),
current->treename);
diff --git a/lib/libalpm/util.h b/lib/libalpm/util.h
index fd97824a..450dac9b 100644
--- a/lib/libalpm/util.h
+++ b/lib/libalpm/util.h
@@ -113,6 +113,8 @@ int _alpm_splitname(const char *target, char **name, char **version,
unsigned long *name_hash);
unsigned long _alpm_hash_sdbm(const char *str);
long _alpm_parsedate(const char *line);
+int _alpm_raw_cmp(const char *first, const char *second);
+int _alpm_raw_ncmp(const char *first, const char *second, size_t max);
#ifndef HAVE_STRSEP
char *strsep(char **, const char *);