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mirror of https://github.com/moparisthebest/pacman synced 2024-12-23 08:18:51 -05:00

Move parseconfig to conf.c

Signed-off-by: Dan McGee <dan@archlinux.org>
This commit is contained in:
Dan McGee 2011-05-05 11:12:49 -05:00
parent d360153bc6
commit bda208f823
4 changed files with 611 additions and 593 deletions

View File

@ -20,13 +20,20 @@
#include "config.h"
#include <errno.h>
#include <glob.h>
#include <limits.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h> /* strdup */
#include <sys/stat.h>
#include <sys/utsname.h> /* uname */
#include <unistd.h>
/* pacman */
#include "conf.h"
#include "util.h"
#include "pacman.h"
/* global config variable */
config_t *config = NULL;
@ -69,4 +76,597 @@ int config_free(config_t *oldconfig)
return 0;
}
/** Helper function for download_with_xfercommand() */
static char *get_filename(const char *url) {
char *filename = strrchr(url, '/');
if(filename != NULL) {
filename++;
}
return filename;
}
/** Helper function for download_with_xfercommand() */
static char *get_destfile(const char *path, const char *filename) {
char *destfile;
/* len = localpath len + filename len + null */
size_t len = strlen(path) + strlen(filename) + 1;
destfile = calloc(len, sizeof(char));
snprintf(destfile, len, "%s%s", path, filename);
return destfile;
}
/** Helper function for download_with_xfercommand() */
static char *get_tempfile(const char *path, const char *filename) {
char *tempfile;
/* len = localpath len + filename len + '.part' len + null */
size_t len = strlen(path) + strlen(filename) + 6;
tempfile = calloc(len, sizeof(char));
snprintf(tempfile, len, "%s%s.part", path, filename);
return tempfile;
}
/** External fetch callback */
static int download_with_xfercommand(const char *url, const char *localpath,
int force) {
int ret = 0;
int retval;
int usepart = 0;
struct stat st;
char *parsedcmd,*tempcmd;
char cwd[PATH_MAX];
int restore_cwd = 0;
char *destfile, *tempfile, *filename;
if(!config->xfercommand) {
return -1;
}
filename = get_filename(url);
if(!filename) {
return -1;
}
destfile = get_destfile(localpath, filename);
tempfile = get_tempfile(localpath, filename);
if(force && stat(tempfile, &st) == 0) {
unlink(tempfile);
}
if(force && stat(destfile, &st) == 0) {
unlink(destfile);
}
tempcmd = strdup(config->xfercommand);
/* replace all occurrences of %o with fn.part */
if(strstr(tempcmd, "%o")) {
usepart = 1;
parsedcmd = strreplace(tempcmd, "%o", tempfile);
free(tempcmd);
tempcmd = parsedcmd;
}
/* replace all occurrences of %u with the download URL */
parsedcmd = strreplace(tempcmd, "%u", url);
free(tempcmd);
/* save the cwd so we can restore it later */
if(getcwd(cwd, PATH_MAX) == NULL) {
pm_printf(PM_LOG_ERROR, _("could not get current working directory\n"));
} else {
restore_cwd = 1;
}
/* cwd to the download directory */
if(chdir(localpath)) {
pm_printf(PM_LOG_WARNING, _("could not chdir to download directory %s\n"), localpath);
ret = -1;
goto cleanup;
}
/* execute the parsed command via /bin/sh -c */
pm_printf(PM_LOG_DEBUG, "running command: %s\n", parsedcmd);
retval = system(parsedcmd);
if(retval == -1) {
pm_printf(PM_LOG_WARNING, _("running XferCommand: fork failed!\n"));
ret = -1;
} else if(retval != 0) {
/* download failed */
pm_printf(PM_LOG_DEBUG, "XferCommand command returned non-zero status "
"code (%d)\n", retval);
ret = -1;
} else {
/* download was successful */
if(usepart) {
rename(tempfile, destfile);
}
ret = 0;
}
cleanup:
/* restore the old cwd if we have it */
if(restore_cwd && chdir(cwd) != 0) {
pm_printf(PM_LOG_ERROR, _("could not change directory to %s (%s)\n"),
cwd, strerror(errno));
}
if(ret == -1) {
/* hack to let an user the time to cancel a download */
sleep(2);
}
free(destfile);
free(tempfile);
free(parsedcmd);
return ret;
}
int config_set_arch(const char *arch)
{
if(strcmp(arch, "auto") == 0) {
struct utsname un;
uname(&un);
pm_printf(PM_LOG_DEBUG, "config: Architecture: %s\n", un.machine);
return alpm_option_set_arch(un.machine);
} else {
pm_printf(PM_LOG_DEBUG, "config: Architecture: %s\n", arch);
return alpm_option_set_arch(arch);
}
}
/* helper for being used with setrepeatingoption */
static int option_add_holdpkg(const char *name) {
config->holdpkg = alpm_list_add(config->holdpkg, strdup(name));
return 0;
}
/* helper for being used with setrepeatingoption */
static int option_add_syncfirst(const char *name) {
config->syncfirst = alpm_list_add(config->syncfirst, strdup(name));
return 0;
}
/* helper for being used with setrepeatingoption */
static int option_add_cleanmethod(const char *value) {
if(strcmp(value, "KeepInstalled") == 0) {
config->cleanmethod |= PM_CLEAN_KEEPINST;
} else if(strcmp(value, "KeepCurrent") == 0) {
config->cleanmethod |= PM_CLEAN_KEEPCUR;
} else {
pm_printf(PM_LOG_ERROR, _("invalid value for 'CleanMethod' : '%s'\n"),
value);
}
return 0;
}
/** Add repeating options such as NoExtract, NoUpgrade, etc to libalpm
* settings. Refactored out of the parseconfig code since all of them did
* the exact same thing and duplicated code.
* @param ptr a pointer to the start of the multiple options
* @param option the string (friendly) name of the option, used for messages
* @param optionfunc a function pointer to an alpm_option_add_* function
*/
static void setrepeatingoption(char *ptr, const char *option,
int (*optionfunc)(const char *))
{
char *q;
while((q = strchr(ptr, ' '))) {
*q = '\0';
(*optionfunc)(ptr);
pm_printf(PM_LOG_DEBUG, "config: %s: %s\n", option, ptr);
ptr = q;
ptr++;
}
(*optionfunc)(ptr);
pm_printf(PM_LOG_DEBUG, "config: %s: %s\n", option, ptr);
}
static int _parse_options(const char *key, char *value,
const char *file, int linenum)
{
if(value == NULL) {
/* options without settings */
if(strcmp(key, "UseSyslog") == 0) {
alpm_option_set_usesyslog(1);
pm_printf(PM_LOG_DEBUG, "config: usesyslog\n");
} else if(strcmp(key, "ILoveCandy") == 0) {
config->chomp = 1;
pm_printf(PM_LOG_DEBUG, "config: chomp\n");
} else if(strcmp(key, "VerbosePkgLists") == 0) {
config->verbosepkglists = 1;
pm_printf(PM_LOG_DEBUG, "config: verbosepkglists\n");
} else if(strcmp(key, "UseDelta") == 0) {
alpm_option_set_usedelta(1);
pm_printf(PM_LOG_DEBUG, "config: usedelta\n");
} else if(strcmp(key, "TotalDownload") == 0) {
config->totaldownload = 1;
pm_printf(PM_LOG_DEBUG, "config: totaldownload\n");
} else if(strcmp(key, "CheckSpace") == 0) {
alpm_option_set_checkspace(1);
} else {
pm_printf(PM_LOG_WARNING,
_("config file %s, line %d: directive '%s' in section '%s' not recognized.\n"),
file, linenum, key, "options");
}
} else {
/* options with settings */
if(strcmp(key, "NoUpgrade") == 0) {
setrepeatingoption(value, "NoUpgrade", alpm_option_add_noupgrade);
} else if(strcmp(key, "NoExtract") == 0) {
setrepeatingoption(value, "NoExtract", alpm_option_add_noextract);
} else if(strcmp(key, "IgnorePkg") == 0) {
setrepeatingoption(value, "IgnorePkg", alpm_option_add_ignorepkg);
} else if(strcmp(key, "IgnoreGroup") == 0) {
setrepeatingoption(value, "IgnoreGroup", alpm_option_add_ignoregrp);
} else if(strcmp(key, "HoldPkg") == 0) {
setrepeatingoption(value, "HoldPkg", option_add_holdpkg);
} else if(strcmp(key, "SyncFirst") == 0) {
setrepeatingoption(value, "SyncFirst", option_add_syncfirst);
} else if(strcmp(key, "Architecture") == 0) {
if(!alpm_option_get_arch()) {
config_set_arch(value);
}
} else if(strcmp(key, "DBPath") == 0) {
/* don't overwrite a path specified on the command line */
if(!config->dbpath) {
config->dbpath = strdup(value);
pm_printf(PM_LOG_DEBUG, "config: dbpath: %s\n", value);
}
} else if(strcmp(key, "CacheDir") == 0) {
if(alpm_option_add_cachedir(value) != 0) {
pm_printf(PM_LOG_ERROR, _("problem adding cachedir '%s' (%s)\n"),
value, alpm_strerrorlast());
return 1;
}
pm_printf(PM_LOG_DEBUG, "config: cachedir: %s\n", value);
} else if(strcmp(key, "RootDir") == 0) {
/* don't overwrite a path specified on the command line */
if(!config->rootdir) {
config->rootdir = strdup(value);
pm_printf(PM_LOG_DEBUG, "config: rootdir: %s\n", value);
}
} else if(strcmp(key, "GPGDir") == 0) {
if(!config->gpgdir) {
config->gpgdir = strdup(value);
pm_printf(PM_LOG_DEBUG, "config: gpgdir: %s\n", value);
}
} else if(strcmp(key, "LogFile") == 0) {
if(!config->logfile) {
config->logfile = strdup(value);
pm_printf(PM_LOG_DEBUG, "config: logfile: %s\n", value);
}
} else if(strcmp(key, "XferCommand") == 0) {
config->xfercommand = strdup(value);
alpm_option_set_fetchcb(download_with_xfercommand);
pm_printf(PM_LOG_DEBUG, "config: xfercommand: %s\n", value);
} else if(strcmp(key, "CleanMethod") == 0) {
setrepeatingoption(value, "CleanMethod", option_add_cleanmethod);
} else if(strcmp(key, "VerifySig") == 0) {
if(strcmp(value, "Always") == 0) {
alpm_option_set_default_sigverify(PM_PGP_VERIFY_ALWAYS);
} else if(strcmp(value, "Optional") == 0) {
alpm_option_set_default_sigverify(PM_PGP_VERIFY_OPTIONAL);
} else if(strcmp(value, "Never") == 0) {
alpm_option_set_default_sigverify(PM_PGP_VERIFY_NEVER);
} else {
pm_printf(PM_LOG_ERROR, _("invalid value for 'VerifySig' : '%s'\n"), value);
return 1;
}
pm_printf(PM_LOG_DEBUG, "config: setting default VerifySig: %s\n", value);
} else {
pm_printf(PM_LOG_WARNING,
_("config file %s, line %d: directive '%s' in section '%s' not recognized.\n"),
file, linenum, key, "options");
}
}
return 0;
}
static int _add_mirror(pmdb_t *db, char *value)
{
const char *dbname = alpm_db_get_name(db);
/* let's attempt a replacement for the current repo */
char *temp = strreplace(value, "$repo", dbname);
/* let's attempt a replacement for the arch */
const char *arch = alpm_option_get_arch();
char *server;
if(arch) {
server = strreplace(temp, "$arch", arch);
free(temp);
} else {
if(strstr(temp, "$arch")) {
free(temp);
pm_printf(PM_LOG_ERROR, _("The mirror '%s' contains the $arch"
" variable, but no Architecture is defined.\n"), value);
return 1;
}
server = temp;
}
if(alpm_db_setserver(db, server) != 0) {
/* pm_errno is set by alpm_db_setserver */
pm_printf(PM_LOG_ERROR, _("could not add server URL to database '%s': %s (%s)\n"),
dbname, server, alpm_strerrorlast());
free(server);
return 1;
}
free(server);
return 0;
}
/** Sets all libalpm required paths in one go. Called after the command line
* and inital config file parsing. Once this is complete, we can see if any
* paths were defined. If a rootdir was defined and nothing else, we want all
* of our paths to live under the rootdir that was specified. Safe to call
* multiple times (will only do anything the first time).
*/
static void setlibpaths(void)
{
static int init = 0;
if(!init) {
int ret = 0;
pm_printf(PM_LOG_DEBUG, "setlibpaths() called\n");
/* Configure root path first. If it is set and dbpath/logfile were not
* set, then set those as well to reside under the root. */
if(config->rootdir) {
char path[PATH_MAX];
ret = alpm_option_set_root(config->rootdir);
if(ret != 0) {
pm_printf(PM_LOG_ERROR, _("problem setting rootdir '%s' (%s)\n"),
config->rootdir, alpm_strerrorlast());
cleanup(ret);
}
if(!config->dbpath) {
/* omit leading slash from our static DBPATH, root handles it */
snprintf(path, PATH_MAX, "%s%s", alpm_option_get_root(), DBPATH + 1);
config->dbpath = strdup(path);
}
if(!config->logfile) {
/* omit leading slash from our static LOGFILE path, root handles it */
snprintf(path, PATH_MAX, "%s%s", alpm_option_get_root(), LOGFILE + 1);
config->logfile = strdup(path);
}
}
/* Set other paths if they were configured. Note that unless rootdir
* was left undefined, these two paths (dbpath and logfile) will have
* been set locally above, so the if cases below will now trigger. */
if(config->dbpath) {
ret = alpm_option_set_dbpath(config->dbpath);
if(ret != 0) {
pm_printf(PM_LOG_ERROR, _("problem setting dbpath '%s' (%s)\n"),
config->dbpath, alpm_strerrorlast());
cleanup(ret);
}
}
if(config->logfile) {
ret = alpm_option_set_logfile(config->logfile);
if(ret != 0) {
pm_printf(PM_LOG_ERROR, _("problem setting logfile '%s' (%s)\n"),
config->logfile, alpm_strerrorlast());
cleanup(ret);
}
}
/* Set GnuPG's home directory. This is not relative to rootdir, even if
* rootdir is defined. Reasoning: gpgdir contains configuration data. */
if(config->gpgdir) {
ret = alpm_option_set_signaturedir(config->gpgdir);
if(ret != 0) {
pm_printf(PM_LOG_ERROR, _("problem setting gpgdir '%s' (%s)\n"),
config->gpgdir, alpm_strerrorlast());
cleanup(ret);
}
}
/* add a default cachedir if one wasn't specified */
if(alpm_option_get_cachedirs() == NULL) {
alpm_option_add_cachedir(CACHEDIR);
}
init = 1;
}
}
/* The real parseconfig. Called with a null section argument by the publicly
* visible parseconfig so we can recall from within ourself on an include */
static int _parseconfig(const char *file, const char *givensection,
pmdb_t * const givendb)
{
FILE *fp = NULL;
char line[PATH_MAX+1];
int linenum = 0;
char *ptr, *section = NULL;
pmdb_t *db = NULL;
int ret = 0;
pm_printf(PM_LOG_DEBUG, "config: attempting to read file %s\n", file);
fp = fopen(file, "r");
if(fp == NULL) {
pm_printf(PM_LOG_ERROR, _("config file %s could not be read.\n"), file);
return 1;
}
/* if we are passed a section, use it as our starting point */
if(givensection != NULL) {
section = strdup(givensection);
}
/* if we are passed a db, use it as our starting point */
if(givendb != NULL) {
db = givendb;
}
while(fgets(line, PATH_MAX, fp)) {
linenum++;
strtrim(line);
/* ignore whole line and end of line comments */
if(strlen(line) == 0 || line[0] == '#') {
continue;
}
if((ptr = strchr(line, '#'))) {
*ptr = '\0';
}
if(line[0] == '[' && line[strlen(line)-1] == ']') {
/* new config section, skip the '[' */
ptr = line;
ptr++;
if(section) {
free(section);
}
section = strdup(ptr);
section[strlen(section)-1] = '\0';
pm_printf(PM_LOG_DEBUG, "config: new section '%s'\n", section);
if(!strlen(section)) {
pm_printf(PM_LOG_ERROR, _("config file %s, line %d: bad section name.\n"),
file, linenum);
ret = 1;
goto cleanup;
}
/* if we are not looking at the options section, register a db */
if(strcmp(section, "options") != 0) {
db = alpm_db_register_sync(section);
if(db == NULL) {
pm_printf(PM_LOG_ERROR, _("could not register '%s' database (%s)\n"),
section, alpm_strerrorlast());
ret = 1;
goto cleanup;
}
}
continue;
}
/* directive */
char *key, *value;
/* strsep modifies the 'line' string: 'key \0 value' */
key = line;
value = line;
strsep(&value, "=");
strtrim(key);
strtrim(value);
if(key == NULL) {
pm_printf(PM_LOG_ERROR, _("config file %s, line %d: syntax error in config file- missing key.\n"),
file, linenum);
ret = 1;
goto cleanup;
}
/* For each directive, compare to the camelcase string. */
if(section == NULL) {
pm_printf(PM_LOG_ERROR, _("config file %s, line %d: All directives must belong to a section.\n"),
file, linenum);
ret = 1;
goto cleanup;
}
/* Include is allowed in both options and repo sections */
if(strcmp(key, "Include") == 0) {
if(value == NULL) {
pm_printf(PM_LOG_ERROR, _("config file %s, line %d: directive '%s' needs a value\n"),
file, linenum, key);
ret = 1;
goto cleanup;
}
/* Ignore include failures... assume non-critical */
int globret;
glob_t globbuf;
globret = glob(value, GLOB_NOCHECK, NULL, &globbuf);
switch(globret) {
case GLOB_NOSPACE:
pm_printf(PM_LOG_DEBUG,
"config file %s, line %d: include globbing out of space\n",
file, linenum);
break;
case GLOB_ABORTED:
pm_printf(PM_LOG_DEBUG,
"config file %s, line %d: include globbing read error for %s\n",
file, linenum, value);
break;
case GLOB_NOMATCH:
pm_printf(PM_LOG_DEBUG,
"config file %s, line %d: no include found for %s\n",
file, linenum, value);
break;
default:
for(size_t gindex = 0; gindex < globbuf.gl_pathc; gindex++) {
pm_printf(PM_LOG_DEBUG, "config file %s, line %d: including %s\n",
file, linenum, globbuf.gl_pathv[gindex]);
_parseconfig(globbuf.gl_pathv[gindex], section, db);
}
break;
}
globfree(&globbuf);
continue;
}
if(strcmp(section, "options") == 0) {
/* we are either in options ... */
if((ret = _parse_options(key, value, file, linenum)) != 0) {
goto cleanup;
}
} else {
/* ... or in a repo section */
if(strcmp(key, "Server") == 0) {
if(value == NULL) {
pm_printf(PM_LOG_ERROR, _("config file %s, line %d: directive '%s' needs a value\n"),
file, linenum, key);
ret = 1;
goto cleanup;
}
if(_add_mirror(db, value) != 0) {
ret = 1;
goto cleanup;
}
} else if(strcmp(key, "VerifySig") == 0) {
if(strcmp(value, "Always") == 0) {
ret = alpm_db_set_pgp_verify(db, PM_PGP_VERIFY_ALWAYS);
} else if(strcmp(value, "Optional") == 0) {
ret = alpm_db_set_pgp_verify(db, PM_PGP_VERIFY_OPTIONAL);
} else if(strcmp(value, "Never") == 0) {
ret = alpm_db_set_pgp_verify(db, PM_PGP_VERIFY_NEVER);
} else {
pm_printf(PM_LOG_ERROR, _("invalid value for 'VerifySig' : '%s'\n"), value);
ret = 1;
goto cleanup;
}
if(ret != 0) {
pm_printf(PM_LOG_ERROR, _("could not add pgp verify option to database '%s': %s (%s)\n"),
alpm_db_get_name(db), value, alpm_strerrorlast());
goto cleanup;
}
pm_printf(PM_LOG_DEBUG, "config: VerifySig for %s: %s\n",alpm_db_get_name(db), value);
} else {
pm_printf(PM_LOG_WARNING,
_("config file %s, line %d: directive '%s' in section '%s' not recognized.\n"),
file, linenum, key, section);
}
}
}
cleanup:
fclose(fp);
if(section){
free(section);
}
/* call setlibpaths here to ensure we have called it at least once */
setlibpaths();
pm_printf(PM_LOG_DEBUG, "config: finished parsing %s\n", file);
return ret;
}
/** Parse a configuration file.
* @param file path to the config file.
* @return 0 on success, non-zero on error
*/
int parseconfig(const char *file)
{
/* call the real parseconfig function with a null section & db argument */
return _parseconfig(file, NULL, NULL);
}
/* vim: set ts=2 sw=2 noet: */

View File

@ -126,6 +126,8 @@ extern config_t *config;
config_t *config_new(void);
int config_free(config_t *oldconfig);
int config_set_arch(const char *arch);
int parseconfig(const char *file);
#endif /* _PM_CONF_H */
/* vim: set ts=2 sw=2 noet: */

View File

@ -36,11 +36,9 @@
#include <signal.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/utsname.h> /* uname */
#include <locale.h> /* setlocale */
#include <errno.h>
#include <glob.h>
#if defined(PACMAN_DEBUG) && defined(HAVE_MCHECK_H)
#include <mcheck.h> /* debug tracing (mtrace) */
#endif
@ -260,24 +258,11 @@ static void setuseragent(void)
setenv("HTTP_USER_AGENT", agent, 0);
}
static void setarch(const char *arch)
{
if(strcmp(arch, "auto") == 0) {
struct utsname un;
uname(&un);
pm_printf(PM_LOG_DEBUG, "config: Architecture: %s\n", un.machine);
alpm_option_set_arch(un.machine);
} else {
pm_printf(PM_LOG_DEBUG, "config: Architecture: %s\n", arch);
alpm_option_set_arch(arch);
}
}
/** Free the resources.
*
* @param ret the return value
*/
static void cleanup(int ret) {
void cleanup(int ret) {
/* free alpm library resources */
if(alpm_release() == -1) {
pm_printf(PM_LOG_ERROR, "%s\n", alpm_strerrorlast());
@ -335,79 +320,6 @@ static void handler(int signum)
cleanup(signum);
}
/** Sets all libalpm required paths in one go. Called after the command line
* and inital config file parsing. Once this is complete, we can see if any
* paths were defined. If a rootdir was defined and nothing else, we want all
* of our paths to live under the rootdir that was specified. Safe to call
* multiple times (will only do anything the first time).
*/
static void setlibpaths(void)
{
static int init = 0;
if(!init) {
int ret = 0;
pm_printf(PM_LOG_DEBUG, "setlibpaths() called\n");
/* Configure root path first. If it is set and dbpath/logfile were not
* set, then set those as well to reside under the root. */
if(config->rootdir) {
char path[PATH_MAX];
ret = alpm_option_set_root(config->rootdir);
if(ret != 0) {
pm_printf(PM_LOG_ERROR, _("problem setting rootdir '%s' (%s)\n"),
config->rootdir, alpm_strerrorlast());
cleanup(ret);
}
if(!config->dbpath) {
/* omit leading slash from our static DBPATH, root handles it */
snprintf(path, PATH_MAX, "%s%s", alpm_option_get_root(), DBPATH + 1);
config->dbpath = strdup(path);
}
if(!config->logfile) {
/* omit leading slash from our static LOGFILE path, root handles it */
snprintf(path, PATH_MAX, "%s%s", alpm_option_get_root(), LOGFILE + 1);
config->logfile = strdup(path);
}
}
/* Set other paths if they were configured. Note that unless rootdir
* was left undefined, these two paths (dbpath and logfile) will have
* been set locally above, so the if cases below will now trigger. */
if(config->dbpath) {
ret = alpm_option_set_dbpath(config->dbpath);
if(ret != 0) {
pm_printf(PM_LOG_ERROR, _("problem setting dbpath '%s' (%s)\n"),
config->dbpath, alpm_strerrorlast());
cleanup(ret);
}
}
if(config->logfile) {
ret = alpm_option_set_logfile(config->logfile);
if(ret != 0) {
pm_printf(PM_LOG_ERROR, _("problem setting logfile '%s' (%s)\n"),
config->logfile, alpm_strerrorlast());
cleanup(ret);
}
}
/* Set GnuPG's home directory. This is not relative to rootdir, even if
* rootdir is defined. Reasoning: gpgdir contains configuration data. */
if(config->gpgdir) {
ret = alpm_option_set_signaturedir(config->gpgdir);
if(ret != 0) {
pm_printf(PM_LOG_ERROR, _("problem setting gpgdir '%s' (%s)\n"),
config->gpgdir, alpm_strerrorlast());
cleanup(ret);
}
}
/* add a default cachedir if one wasn't specified */
if(alpm_option_get_cachedirs() == NULL) {
alpm_option_add_cachedir(CACHEDIR);
}
init = 1;
}
}
#define check_optarg() if(!optarg) { return 1; }
typedef int (*fn_add) (const char *s);
@ -471,7 +383,10 @@ static int parsearg_op(int opt, int dryrun)
static int parsearg_global(int opt)
{
switch(opt) {
case OP_ARCH: check_optarg(); setarch(optarg); break;
case OP_ARCH:
check_optarg();
config_set_arch(optarg);
break;
case OP_ASK:
check_optarg();
config->noask = 1;
@ -807,506 +722,6 @@ static int parseargs(int argc, char *argv[])
return 0;
}
/* helper for being used with setrepeatingoption */
static int option_add_holdpkg(const char *name) {
config->holdpkg = alpm_list_add(config->holdpkg, strdup(name));
return 0;
}
/* helper for being used with setrepeatingoption */
static int option_add_syncfirst(const char *name) {
config->syncfirst = alpm_list_add(config->syncfirst, strdup(name));
return 0;
}
/* helper for being used with setrepeatingoption */
static int option_add_cleanmethod(const char *value) {
if(strcmp(value, "KeepInstalled") == 0) {
config->cleanmethod |= PM_CLEAN_KEEPINST;
} else if(strcmp(value, "KeepCurrent") == 0) {
config->cleanmethod |= PM_CLEAN_KEEPCUR;
} else {
pm_printf(PM_LOG_ERROR, _("invalid value for 'CleanMethod' : '%s'\n"),
value);
}
return 0;
}
/** Add repeating options such as NoExtract, NoUpgrade, etc to libalpm
* settings. Refactored out of the parseconfig code since all of them did
* the exact same thing and duplicated code.
* @param ptr a pointer to the start of the multiple options
* @param option the string (friendly) name of the option, used for messages
* @param optionfunc a function pointer to an alpm_option_add_* function
*/
static void setrepeatingoption(char *ptr, const char *option,
int (*optionfunc)(const char *))
{
char *q;
while((q = strchr(ptr, ' '))) {
*q = '\0';
(*optionfunc)(ptr);
pm_printf(PM_LOG_DEBUG, "config: %s: %s\n", option, ptr);
ptr = q;
ptr++;
}
(*optionfunc)(ptr);
pm_printf(PM_LOG_DEBUG, "config: %s: %s\n", option, ptr);
}
static char *get_filename(const char *url) {
char *filename = strrchr(url, '/');
if(filename != NULL) {
filename++;
}
return filename;
}
static char *get_destfile(const char *path, const char *filename) {
char *destfile;
/* len = localpath len + filename len + null */
size_t len = strlen(path) + strlen(filename) + 1;
destfile = calloc(len, sizeof(char));
snprintf(destfile, len, "%s%s", path, filename);
return destfile;
}
static char *get_tempfile(const char *path, const char *filename) {
char *tempfile;
/* len = localpath len + filename len + '.part' len + null */
size_t len = strlen(path) + strlen(filename) + 6;
tempfile = calloc(len, sizeof(char));
snprintf(tempfile, len, "%s%s.part", path, filename);
return tempfile;
}
/** External fetch callback */
static int download_with_xfercommand(const char *url, const char *localpath,
int force) {
int ret = 0;
int retval;
int usepart = 0;
struct stat st;
char *parsedcmd,*tempcmd;
char cwd[PATH_MAX];
int restore_cwd = 0;
char *destfile, *tempfile, *filename;
if(!config->xfercommand) {
return -1;
}
filename = get_filename(url);
if(!filename) {
return -1;
}
destfile = get_destfile(localpath, filename);
tempfile = get_tempfile(localpath, filename);
if(force && stat(tempfile, &st) == 0) {
unlink(tempfile);
}
if(force && stat(destfile, &st) == 0) {
unlink(destfile);
}
tempcmd = strdup(config->xfercommand);
/* replace all occurrences of %o with fn.part */
if(strstr(tempcmd, "%o")) {
usepart = 1;
parsedcmd = strreplace(tempcmd, "%o", tempfile);
free(tempcmd);
tempcmd = parsedcmd;
}
/* replace all occurrences of %u with the download URL */
parsedcmd = strreplace(tempcmd, "%u", url);
free(tempcmd);
/* save the cwd so we can restore it later */
if(getcwd(cwd, PATH_MAX) == NULL) {
pm_printf(PM_LOG_ERROR, _("could not get current working directory\n"));
} else {
restore_cwd = 1;
}
/* cwd to the download directory */
if(chdir(localpath)) {
pm_printf(PM_LOG_WARNING, _("could not chdir to download directory %s\n"), localpath);
ret = -1;
goto cleanup;
}
/* execute the parsed command via /bin/sh -c */
pm_printf(PM_LOG_DEBUG, "running command: %s\n", parsedcmd);
retval = system(parsedcmd);
if(retval == -1) {
pm_printf(PM_LOG_WARNING, _("running XferCommand: fork failed!\n"));
ret = -1;
} else if(retval != 0) {
/* download failed */
pm_printf(PM_LOG_DEBUG, "XferCommand command returned non-zero status "
"code (%d)\n", retval);
ret = -1;
} else {
/* download was successful */
if(usepart) {
rename(tempfile, destfile);
}
ret = 0;
}
cleanup:
/* restore the old cwd if we have it */
if(restore_cwd && chdir(cwd) != 0) {
pm_printf(PM_LOG_ERROR, _("could not change directory to %s (%s)\n"), cwd, strerror(errno));
}
if(ret == -1) {
/* hack to let an user the time to cancel a download */
sleep(2);
}
free(destfile);
free(tempfile);
free(parsedcmd);
return ret;
}
static int _parse_options(const char *key, char *value,
const char *file, int linenum)
{
if(value == NULL) {
/* options without settings */
if(strcmp(key, "UseSyslog") == 0) {
alpm_option_set_usesyslog(1);
pm_printf(PM_LOG_DEBUG, "config: usesyslog\n");
} else if(strcmp(key, "ILoveCandy") == 0) {
config->chomp = 1;
pm_printf(PM_LOG_DEBUG, "config: chomp\n");
} else if(strcmp(key, "VerbosePkgLists") == 0) {
config->verbosepkglists = 1;
pm_printf(PM_LOG_DEBUG, "config: verbosepkglists\n");
} else if(strcmp(key, "UseDelta") == 0) {
alpm_option_set_usedelta(1);
pm_printf(PM_LOG_DEBUG, "config: usedelta\n");
} else if(strcmp(key, "TotalDownload") == 0) {
config->totaldownload = 1;
pm_printf(PM_LOG_DEBUG, "config: totaldownload\n");
} else if(strcmp(key, "CheckSpace") == 0) {
alpm_option_set_checkspace(1);
} else {
pm_printf(PM_LOG_WARNING,
_("config file %s, line %d: directive '%s' in section '%s' not recognized.\n"),
file, linenum, key, "options");
}
} else {
/* options with settings */
if(strcmp(key, "NoUpgrade") == 0) {
setrepeatingoption(value, "NoUpgrade", alpm_option_add_noupgrade);
} else if(strcmp(key, "NoExtract") == 0) {
setrepeatingoption(value, "NoExtract", alpm_option_add_noextract);
} else if(strcmp(key, "IgnorePkg") == 0) {
setrepeatingoption(value, "IgnorePkg", alpm_option_add_ignorepkg);
} else if(strcmp(key, "IgnoreGroup") == 0) {
setrepeatingoption(value, "IgnoreGroup", alpm_option_add_ignoregrp);
} else if(strcmp(key, "HoldPkg") == 0) {
setrepeatingoption(value, "HoldPkg", option_add_holdpkg);
} else if(strcmp(key, "SyncFirst") == 0) {
setrepeatingoption(value, "SyncFirst", option_add_syncfirst);
} else if(strcmp(key, "Architecture") == 0) {
if(!alpm_option_get_arch()) {
setarch(value);
}
} else if(strcmp(key, "DBPath") == 0) {
/* don't overwrite a path specified on the command line */
if(!config->dbpath) {
config->dbpath = strdup(value);
pm_printf(PM_LOG_DEBUG, "config: dbpath: %s\n", value);
}
} else if(strcmp(key, "CacheDir") == 0) {
if(alpm_option_add_cachedir(value) != 0) {
pm_printf(PM_LOG_ERROR, _("problem adding cachedir '%s' (%s)\n"),
value, alpm_strerrorlast());
return 1;
}
pm_printf(PM_LOG_DEBUG, "config: cachedir: %s\n", value);
} else if(strcmp(key, "RootDir") == 0) {
/* don't overwrite a path specified on the command line */
if(!config->rootdir) {
config->rootdir = strdup(value);
pm_printf(PM_LOG_DEBUG, "config: rootdir: %s\n", value);
}
} else if(strcmp(key, "GPGDir") == 0) {
if(!config->gpgdir) {
config->gpgdir = strdup(value);
pm_printf(PM_LOG_DEBUG, "config: gpgdir: %s\n", value);
}
} else if(strcmp(key, "LogFile") == 0) {
if(!config->logfile) {
config->logfile = strdup(value);
pm_printf(PM_LOG_DEBUG, "config: logfile: %s\n", value);
}
} else if(strcmp(key, "XferCommand") == 0) {
config->xfercommand = strdup(value);
alpm_option_set_fetchcb(download_with_xfercommand);
pm_printf(PM_LOG_DEBUG, "config: xfercommand: %s\n", value);
} else if(strcmp(key, "CleanMethod") == 0) {
setrepeatingoption(value, "CleanMethod", option_add_cleanmethod);
} else if(strcmp(key, "VerifySig") == 0) {
if(strcmp(value, "Always") == 0) {
alpm_option_set_default_sigverify(PM_PGP_VERIFY_ALWAYS);
} else if(strcmp(value, "Optional") == 0) {
alpm_option_set_default_sigverify(PM_PGP_VERIFY_OPTIONAL);
} else if(strcmp(value, "Never") == 0) {
alpm_option_set_default_sigverify(PM_PGP_VERIFY_NEVER);
} else {
pm_printf(PM_LOG_ERROR, _("invalid value for 'VerifySig' : '%s'\n"), value);
return 1;
}
pm_printf(PM_LOG_DEBUG, "config: setting default VerifySig: %s\n", value);
} else {
pm_printf(PM_LOG_WARNING,
_("config file %s, line %d: directive '%s' in section '%s' not recognized.\n"),
file, linenum, key, "options");
}
}
return 0;
}
static int _add_mirror(pmdb_t *db, char *value)
{
const char *dbname = alpm_db_get_name(db);
/* let's attempt a replacement for the current repo */
char *temp = strreplace(value, "$repo", dbname);
/* let's attempt a replacement for the arch */
const char *arch = alpm_option_get_arch();
char *server;
if(arch) {
server = strreplace(temp, "$arch", arch);
free(temp);
} else {
if(strstr(temp, "$arch")) {
free(temp);
pm_printf(PM_LOG_ERROR, _("The mirror '%s' contains the $arch"
" variable, but no Architecture is defined.\n"), value);
return 1;
}
server = temp;
}
if(alpm_db_setserver(db, server) != 0) {
/* pm_errno is set by alpm_db_setserver */
pm_printf(PM_LOG_ERROR, _("could not add server URL to database '%s': %s (%s)\n"),
dbname, server, alpm_strerrorlast());
free(server);
return 1;
}
free(server);
return 0;
}
/* The real parseconfig. Called with a null section argument by the publicly
* visible parseconfig so we can recall from within ourself on an include */
static int _parseconfig(const char *file, const char *givensection,
pmdb_t * const givendb)
{
FILE *fp = NULL;
char line[PATH_MAX+1];
int linenum = 0;
char *ptr, *section = NULL;
pmdb_t *db = NULL;
int ret = 0;
pm_printf(PM_LOG_DEBUG, "config: attempting to read file %s\n", file);
fp = fopen(file, "r");
if(fp == NULL) {
pm_printf(PM_LOG_ERROR, _("config file %s could not be read.\n"), file);
return 1;
}
/* if we are passed a section, use it as our starting point */
if(givensection != NULL) {
section = strdup(givensection);
}
/* if we are passed a db, use it as our starting point */
if(givendb != NULL) {
db = givendb;
}
while(fgets(line, PATH_MAX, fp)) {
linenum++;
strtrim(line);
/* ignore whole line and end of line comments */
if(strlen(line) == 0 || line[0] == '#') {
continue;
}
if((ptr = strchr(line, '#'))) {
*ptr = '\0';
}
if(line[0] == '[' && line[strlen(line)-1] == ']') {
/* new config section, skip the '[' */
ptr = line;
ptr++;
if(section) {
free(section);
}
section = strdup(ptr);
section[strlen(section)-1] = '\0';
pm_printf(PM_LOG_DEBUG, "config: new section '%s'\n", section);
if(!strlen(section)) {
pm_printf(PM_LOG_ERROR, _("config file %s, line %d: bad section name.\n"),
file, linenum);
ret = 1;
goto cleanup;
}
/* if we are not looking at the options section, register a db */
if(strcmp(section, "options") != 0) {
db = alpm_db_register_sync(section);
if(db == NULL) {
pm_printf(PM_LOG_ERROR, _("could not register '%s' database (%s)\n"),
section, alpm_strerrorlast());
ret = 1;
goto cleanup;
}
}
continue;
}
/* directive */
char *key, *value;
/* strsep modifies the 'line' string: 'key \0 value' */
key = line;
value = line;
strsep(&value, "=");
strtrim(key);
strtrim(value);
if(key == NULL) {
pm_printf(PM_LOG_ERROR, _("config file %s, line %d: syntax error in config file- missing key.\n"),
file, linenum);
ret = 1;
goto cleanup;
}
/* For each directive, compare to the camelcase string. */
if(section == NULL) {
pm_printf(PM_LOG_ERROR, _("config file %s, line %d: All directives must belong to a section.\n"),
file, linenum);
ret = 1;
goto cleanup;
}
/* Include is allowed in both options and repo sections */
if(strcmp(key, "Include") == 0) {
if(value == NULL) {
pm_printf(PM_LOG_ERROR, _("config file %s, line %d: directive '%s' needs a value\n"),
file, linenum, key);
ret = 1;
goto cleanup;
}
/* Ignore include failures... assume non-critical */
int globret;
glob_t globbuf;
globret = glob(value, GLOB_NOCHECK, NULL, &globbuf);
switch(globret) {
case GLOB_NOSPACE:
pm_printf(PM_LOG_DEBUG,
"config file %s, line %d: include globbing out of space\n",
file, linenum);
break;
case GLOB_ABORTED:
pm_printf(PM_LOG_DEBUG,
"config file %s, line %d: include globbing read error for %s\n",
file, linenum, value);
break;
case GLOB_NOMATCH:
pm_printf(PM_LOG_DEBUG,
"config file %s, line %d: no include found for %s\n",
file, linenum, value);
break;
default:
for(size_t gindex = 0; gindex < globbuf.gl_pathc; gindex++) {
pm_printf(PM_LOG_DEBUG, "config file %s, line %d: including %s\n",
file, linenum, globbuf.gl_pathv[gindex]);
_parseconfig(globbuf.gl_pathv[gindex], section, db);
}
break;
}
globfree(&globbuf);
continue;
}
if(strcmp(section, "options") == 0) {
/* we are either in options ... */
if((ret = _parse_options(key, value, file, linenum)) != 0) {
goto cleanup;
}
} else {
/* ... or in a repo section */
if(strcmp(key, "Server") == 0) {
if(value == NULL) {
pm_printf(PM_LOG_ERROR, _("config file %s, line %d: directive '%s' needs a value\n"),
file, linenum, key);
ret = 1;
goto cleanup;
}
if(_add_mirror(db, value) != 0) {
ret = 1;
goto cleanup;
}
} else if(strcmp(key, "VerifySig") == 0) {
if(strcmp(value, "Always") == 0) {
ret = alpm_db_set_pgp_verify(db, PM_PGP_VERIFY_ALWAYS);
} else if(strcmp(value, "Optional") == 0) {
ret = alpm_db_set_pgp_verify(db, PM_PGP_VERIFY_OPTIONAL);
} else if(strcmp(value, "Never") == 0) {
ret = alpm_db_set_pgp_verify(db, PM_PGP_VERIFY_NEVER);
} else {
pm_printf(PM_LOG_ERROR, _("invalid value for 'VerifySig' : '%s'\n"), value);
ret = 1;
goto cleanup;
}
if(ret != 0) {
pm_printf(PM_LOG_ERROR, _("could not add pgp verify option to database '%s': %s (%s)\n"),
alpm_db_get_name(db), value, alpm_strerrorlast());
goto cleanup;
}
pm_printf(PM_LOG_DEBUG, "config: VerifySig for %s: %s\n",alpm_db_get_name(db), value);
} else {
pm_printf(PM_LOG_WARNING,
_("config file %s, line %d: directive '%s' in section '%s' not recognized.\n"),
file, linenum, key, section);
}
}
}
cleanup:
fclose(fp);
if(section){
free(section);
}
/* call setlibpaths here to ensure we have called it at least once */
setlibpaths();
pm_printf(PM_LOG_DEBUG, "config: finished parsing %s\n", file);
return ret;
}
/** Parse a configuration file.
* @param file path to the config file.
* @return 0 on success, non-zero on error
*/
static int parseconfig(const char *file)
{
/* call the real parseconfig function with a null section & db argument */
return _parseconfig(file, NULL, NULL);
}
/** print commandline to logfile
*/
static void cl_to_log(int argc, char* argv[])

View File

@ -22,8 +22,12 @@
#include <alpm_list.h>
void cleanup(int ret);
/* database.c */
int pacman_database(alpm_list_t *targets);
/* deptest.c */
int pacman_deptest(alpm_list_t *targets);
/* query.c */
int pacman_query(alpm_list_t *targets);
/* remove.c */
@ -33,9 +37,6 @@ int pacman_sync(alpm_list_t *targets);
/* upgrade.c */
int pacman_upgrade(alpm_list_t *targets);
/* deptest.c */
int pacman_deptest(alpm_list_t *targets);
#endif /* _PM_PACMAN_H */
/* vim: set ts=2 sw=2 noet: */