X-Git-Url: http://sjero.net/git/?p=wget;a=blobdiff_plain;f=src%2Fnetrc.c;h=1e12d1deddba24c73086e2abd841a598b1200037;hp=158ef39f34ab9eb15c8a7669f801c8bd2d17f2e8;hb=38a7829dcb4eb5dba28dbf0f05c6a80fea9217f8;hpb=908d7a4bcee5adb7d4768499282cc83075d0332e diff --git a/src/netrc.c b/src/netrc.c index 158ef39f..1e12d1de 100644 --- a/src/netrc.c +++ b/src/netrc.c @@ -1,11 +1,12 @@ /* Read and parse the .netrc file to get hosts, accounts, and passwords. - Copyright (C) 1996, Free Software Foundation, Inc. + Copyright (C) 1996, 2007, 2008, 2009, 2010, 2011 Free Software + Foundation, Inc. This file is part of GNU Wget. GNU Wget is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2 of the License, or +the Free Software Foundation; either version 3 of the License, or (at your option) any later version. GNU Wget is distributed in the hope that it will be useful, @@ -14,42 +15,45 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License -along with Wget; if not, write to the Free Software -Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - -In addition, as a special exception, the Free Software Foundation -gives permission to link the code of its release of Wget with the -OpenSSL project's "OpenSSL" library (or with modified versions of it -that use the same license as the "OpenSSL" library), and distribute -the linked executables. You must obey the GNU General Public License -in all respects for all of the code used other than "OpenSSL". If you -modify this file, you may extend this exception to your version of the -file, but you are not obligated to do so. If you do not wish to do -so, delete this exception statement from your version. */ +along with Wget. If not, see . + +Additional permission under GNU GPL version 3 section 7 + +If you modify this program, or any covered work, by linking or +combining it with the OpenSSL project's OpenSSL library (or a +modified version of that library), containing parts covered by the +terms of the OpenSSL or SSLeay licenses, the Free Software Foundation +grants you additional permission to convey the resulting work. +Corresponding Source for a non-source form of such a combination +shall include the source code for the parts of OpenSSL used as well +as that of the covered work. */ /* This file used to be kept in synch with the code in Fetchmail, but the latter has diverged since. */ -#ifdef HAVE_CONFIG_H -# include -#endif +#include "wget.h" #include #include #include #include -#include "wget.h" #include "utils.h" #include "netrc.h" #include "init.h" #define NETRC_FILE_NAME ".netrc" -acc_t *netrc_list; +static acc_t *netrc_list; static acc_t *parse_netrc (const char *); +void +netrc_cleanup(void) +{ + free_netrc (netrc_list); +} + /* Return the correct user and password, given the host, user (as given in the URL), and password (as given in the URL). May return NULL. @@ -58,7 +62,7 @@ static acc_t *parse_netrc (const char *); You will typically turn it off for HTTP. */ void search_netrc (const char *host, const char **acc, const char **passwd, - int slack_default) + int slack_default) { acc_t *l; static int processed_netrc; @@ -68,22 +72,39 @@ search_netrc (const char *host, const char **acc, const char **passwd, /* Find ~/.netrc. */ if (!processed_netrc) { +#ifdef __VMS + + int err; + struct_stat buf; + char *path = "SYS$LOGIN:.netrc"; + + netrc_list = NULL; + processed_netrc = 1; + + err = stat (path, &buf); + if (err == 0) + netrc_list = parse_netrc (path); + +#else /* def __VMS */ + char *home = home_dir (); netrc_list = NULL; processed_netrc = 1; if (home) - { - int err; - struct_stat buf; - char *path = (char *)alloca (strlen (home) + 1 - + strlen (NETRC_FILE_NAME) + 1); - sprintf (path, "%s/%s", home, NETRC_FILE_NAME); - xfree (home); - err = stat (path, &buf); - if (err == 0) - netrc_list = parse_netrc (path); - } + { + int err; + struct_stat buf; + char *path = (char *)alloca (strlen (home) + 1 + + strlen (NETRC_FILE_NAME) + 1); + sprintf (path, "%s/%s", home, NETRC_FILE_NAME); + xfree (home); + err = stat (path, &buf); + if (err == 0) + netrc_list = parse_netrc (path); + } + +#endif /* def __VMS [else] */ } /* If nothing to do... */ if (!netrc_list) @@ -95,44 +116,44 @@ search_netrc (const char *host, const char **acc, const char **passwd, for (l = netrc_list; l; l = l->next) { if (!l->host) - continue; + continue; else if (!strcasecmp (l->host, host)) - break; + break; } if (l) { if (*acc) - { - /* Looking for password in .netrc. */ - if (!strcmp (l->acc, *acc)) - *passwd = l->passwd; /* usernames match; password OK */ - else - *passwd = NULL; /* usernames don't match */ - } - else /* NOT *acc */ - { - /* If password was given, use it. The account is l->acc. */ - *acc = l->acc; - if (l->passwd) - *passwd = l->passwd; - } + { + /* Looking for password in .netrc. */ + if (!strcmp (l->acc, *acc)) + *passwd = l->passwd; /* usernames match; password OK */ + else + *passwd = NULL; /* usernames don't match */ + } + else /* NOT *acc */ + { + /* If password was given, use it. The account is l->acc. */ + *acc = l->acc; + if (l->passwd) + *passwd = l->passwd; + } return; } else { if (!slack_default) - return; + return; if (*acc) - return; + return; /* Try looking for the default account. */ for (l = netrc_list; l; l = l->next) - if (!l->host) - break; + if (!l->host) + break; if (!l) - return; + return; *acc = l->acc; if (!*passwd) - *passwd = l->passwd; + *passwd = l->passwd; return; } } @@ -149,48 +170,6 @@ search_netrc (const char *host, const char **acc, const char **passwd, # define xrealloc realloc -/* Read a line from FP. The function reallocs the storage as needed - to accomodate for any length of the line. Reallocs are done - storage exponentially, doubling the storage after each overflow to - minimize the number of calls to realloc() and fgets(). The newline - character at the end of line is retained. - - After end-of-file is encountered without anything being read, NULL - is returned. NULL is also returned on error. To distinguish - between these two cases, use the stdio function ferror(). */ - -char * -read_whole_line (FILE *fp) -{ - int length = 0; - int bufsize = 81; - char *line = xmalloc (bufsize); - - while (fgets (line + length, bufsize - length, fp)) - { - length += strlen (line + length); - assert (length > 0); - if (line[length - 1] == '\n') - break; - /* fgets() guarantees to read the whole line, or to use up the - space we've given it. We can double the buffer - unconditionally. */ - bufsize <<= 1; - line = xrealloc (line, bufsize); - } - if (length == 0 || ferror (fp)) - { - xfree (line); - return NULL; - } - if (length + 1 < bufsize) - /* Relieve the memory from our exponential greediness. We say - `length + 1' because the terminating \0 is not included in - LENGTH. We don't need to zero-terminate the string ourselves, - though, because fgets() does that. */ - line = xrealloc (line, length + 1); - return line; -} #endif /* STANDALONE */ /* Maybe add NEWENTRY to the account information list, LIST. NEWENTRY is @@ -213,11 +192,11 @@ maybe_add_to_list (acc_t **newentry, acc_t **list) else { if (a) - { - /* Add the current machine into our list. */ - a->next = l; - l = a; - } + { + /* Add the current machine into our list. */ + a->next = l; + l = a; + } /* Allocate a new acc_t structure. */ a = xmalloc (sizeof (acc_t)); @@ -239,7 +218,7 @@ static void shift_left(char *string) { char *p; - + for (p=string; *p; ++p) *p = *(p+1); } @@ -249,10 +228,11 @@ static acc_t * parse_netrc (const char *path) { FILE *fp; - char *line, *p, *tok; + char *line = NULL, *p, *tok; const char *premature_token; acc_t *current, *retval; - int ln, quote; + int ln, qmark; + size_t bufsize = 0; /* The latest token we've seen in the file. */ enum @@ -266,7 +246,7 @@ parse_netrc (const char *path) if (!fp) { fprintf (stderr, _("%s: Cannot read %s (%s).\n"), exec_name, - path, strerror (errno)); + path, strerror (errno)); return retval; } @@ -275,143 +255,142 @@ parse_netrc (const char *path) premature_token = NULL; /* While there are lines in the file... */ - while ((line = read_whole_line (fp)) != NULL) + while (getline (&line, &bufsize, fp) > 0) { ln ++; /* Parse the line. */ p = line; - quote = 0; + qmark = 0; /* Skip leading whitespace. */ - while (*p && ISSPACE (*p)) - p ++; + while (*p && c_isspace (*p)) + p ++; /* If the line is empty, then end any macro definition. */ if (last_token == tok_macdef && !*p) - /* End of macro if the line is empty. */ - last_token = tok_nothing; + /* End of macro if the line is empty. */ + last_token = tok_nothing; /* If we are defining macros, then skip parsing the line. */ while (*p && last_token != tok_macdef) - { - /* Skip any whitespace. */ - while (*p && ISSPACE (*p)) - p ++; - - /* Discard end-of-line comments; also, stop processing if - the above `while' merely skipped trailing whitespace. */ - if (*p == '#' || !*p) - break; - - /* If the token starts with quotation mark, note this fact, - and squash the quotation character */ - if (*p == '"'){ - quote = 1; - shift_left (p); - } - - tok = p; - - /* Find the end of the token, handling quotes and escapes. */ - while (*p && (quote ? *p != '"' : !ISSPACE (*p))){ - if (*p == '\\') - shift_left (p); - p ++; - } - - /* If field was quoted, squash the trailing quotation mark - and reset quote flag. */ - if (quote) - { - shift_left (p); - quote = 0; - } - - /* Null-terminate the token, if it isn't already. */ - if (*p) - *p ++ = '\0'; - - switch (last_token) - { - case tok_login: - if (current) - current->acc = xstrdup (tok); - else - premature_token = "login"; - break; - - case tok_machine: - /* Start a new machine entry. */ - maybe_add_to_list (¤t, &retval); - current->host = xstrdup (tok); - break; - - case tok_password: - if (current) - current->passwd = xstrdup (tok); - else - premature_token = "password"; - break; - - /* We handle most of tok_macdef above. */ - case tok_macdef: - if (!current) - premature_token = "macdef"; - break; - - /* We don't handle the account keyword at all. */ - case tok_account: - if (!current) - premature_token = "account"; - break; - - /* We handle tok_nothing below this switch. */ - case tok_nothing: - break; - } - - if (premature_token) - { - fprintf (stderr, _("\ -%s: %s:%d: warning: \"%s\" token appears before any machine name\n"), - exec_name, path, ln, premature_token); - premature_token = NULL; - } - - if (last_token != tok_nothing) - /* We got a value, so reset the token state. */ - last_token = tok_nothing; - else - { - /* Fetch the next token. */ - if (!strcmp (tok, "account")) - last_token = tok_account; - else if (!strcmp (tok, "default")) - { - maybe_add_to_list (¤t, &retval); - } - else if (!strcmp (tok, "login")) - last_token = tok_login; - - else if (!strcmp (tok, "macdef")) - last_token = tok_macdef; - - else if (!strcmp (tok, "machine")) - last_token = tok_machine; - - else if (!strcmp (tok, "password")) - last_token = tok_password; - - else - fprintf (stderr, _("%s: %s:%d: unknown token \"%s\"\n"), - exec_name, path, ln, tok); - } - } - - xfree (line); + { + /* Skip any whitespace. */ + while (*p && c_isspace (*p)) + p ++; + + /* Discard end-of-line comments; also, stop processing if + the above `while' merely skipped trailing whitespace. */ + if (*p == '#' || !*p) + break; + + /* If the token starts with quotation mark, note this fact, + and squash the quotation character */ + if (*p == '"'){ + qmark = 1; + shift_left (p); + } + + tok = p; + + /* Find the end of the token, handling quotes and escapes. */ + while (*p && (qmark ? *p != '"' : !c_isspace (*p))){ + if (*p == '\\') + shift_left (p); + p ++; + } + + /* If field was quoted, squash the trailing quotation mark + and reset qmark flag. */ + if (qmark) + { + shift_left (p); + qmark = 0; + } + + /* Null-terminate the token, if it isn't already. */ + if (*p) + *p ++ = '\0'; + + switch (last_token) + { + case tok_login: + if (current) + current->acc = xstrdup (tok); + else + premature_token = "login"; + break; + + case tok_machine: + /* Start a new machine entry. */ + maybe_add_to_list (¤t, &retval); + current->host = xstrdup (tok); + break; + + case tok_password: + if (current) + current->passwd = xstrdup (tok); + else + premature_token = "password"; + break; + + /* We handle most of tok_macdef above. */ + case tok_macdef: + if (!current) + premature_token = "macdef"; + break; + + /* We don't handle the account keyword at all. */ + case tok_account: + if (!current) + premature_token = "account"; + break; + + /* We handle tok_nothing below this switch. */ + case tok_nothing: + break; + } + + if (premature_token) + { + fprintf (stderr, _("\ +%s: %s:%d: warning: %s token appears before any machine name\n"), + exec_name, path, ln, quote (premature_token)); + premature_token = NULL; + } + + if (last_token != tok_nothing) + /* We got a value, so reset the token state. */ + last_token = tok_nothing; + else + { + /* Fetch the next token. */ + if (!strcmp (tok, "account")) + last_token = tok_account; + else if (!strcmp (tok, "default")) + { + maybe_add_to_list (¤t, &retval); + } + else if (!strcmp (tok, "login")) + last_token = tok_login; + + else if (!strcmp (tok, "macdef")) + last_token = tok_macdef; + + else if (!strcmp (tok, "machine")) + last_token = tok_machine; + + else if (!strcmp (tok, "password")) + last_token = tok_password; + + else + fprintf (stderr, _("%s: %s:%d: unknown token \"%s\"\n"), + exec_name, path, ln, tok); + } + } } + xfree (line); fclose (fp); /* Finalize the last machine entry we found. */ @@ -479,7 +458,7 @@ main (int argc, char **argv) if (stat (file, &sb)) { fprintf (stderr, _("%s: cannot stat %s: %s\n"), argv[0], file, - strerror (errno)); + strerror (errno)); exit (1); } @@ -489,37 +468,37 @@ main (int argc, char **argv) { /* Skip if we have a target and this isn't it. */ if (target && a->host && strcmp (target, a->host)) - { - a = a->next; - continue; - } + { + a = a->next; + continue; + } if (!target) - { - /* Print the host name if we have no target. */ - if (a->host) - fputs (a->host, stdout); - else - fputs ("DEFAULT", stdout); + { + /* Print the host name if we have no target. */ + if (a->host) + fputs (a->host, stdout); + else + fputs ("DEFAULT", stdout); - fputc (' ', stdout); - } + fputc (' ', stdout); + } /* Print the account name. */ fputs (a->acc, stdout); if (a->passwd) - { - /* Print the password, if there is any. */ - fputc (' ', stdout); - fputs (a->passwd, stdout); - } + { + /* Print the password, if there is any. */ + fputc (' ', stdout); + fputs (a->passwd, stdout); + } fputc ('\n', stdout); /* Exit if we found the target. */ if (target) - exit (0); + exit (0); a = a->next; }