X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/f3309b68f7ee5b9e44b8996d934c120f883026f2..23bf9efbaa448c04f1a25106c9e394143d902697:/lib-src/fakemail.c diff --git a/lib-src/fakemail.c b/lib-src/fakemail.c index c3929e0237..cee7eaa130 100644 --- a/lib-src/fakemail.c +++ b/lib-src/fakemail.c @@ -1,5 +1,5 @@ /* sendmail-like interface to /bin/mail for system V, - Copyright (C) 1985 Free Software Foundation, Inc. + Copyright (C) 1985, 1994, 1999 Free Software Foundation, Inc. This file is part of GNU Emacs. @@ -15,21 +15,29 @@ GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU Emacs; see the file COPYING. If not, write to -the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ - +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ #define NO_SHORTNAMES -#include <../src/config.h> +#define _XOPEN_SOURCE 500 /* for cuserid */ + +#ifdef HAVE_CONFIG_H +#include +#endif -#if defined (BSD) && !defined (BSD4_1) && !defined (USE_FAKEMAIL) +#if defined (BSD_SYSTEM) && !defined (BSD4_1) && !defined (USE_FAKEMAIL) /* This program isnot used in BSD, so just avoid loader complaints. */ +int main () { + return 0; } #else /* not BSD 4.2 (or newer) */ #ifdef MSDOS +int main () { + return 0; } #else /* not MSDOS */ /* This conditional contains all the rest of the file. */ @@ -40,11 +48,8 @@ main () #undef static #endif -#ifdef read -#undef read -#undef write -#undef open -#undef close +#ifdef WINDOWSNT +#include "ntlib.h" #endif #include @@ -52,6 +57,11 @@ main () #include #include #include + +/* This is to declare cuserid. */ +#ifdef HAVE_UNISTD_H +#include +#endif /* Type definitions */ @@ -75,7 +85,7 @@ struct header_record struct header_record *previous; }; typedef struct header_record *header; - + struct stream_record { FILE *handle; @@ -128,7 +138,6 @@ static boolean no_problems = true; extern FILE *popen (); extern int fclose (), pclose (); -extern char *malloc (), *realloc (); #ifdef CURRENT_USER extern struct passwd *getpwuid (); @@ -160,28 +169,28 @@ fatal (s1, s2) char *s1, *s2; { error (s1, s2); - exit (1); + exit (EXIT_FAILURE); } /* Like malloc but get fatal error if memory is exhausted. */ -static char * +static long * xmalloc (size) int size; { - char *result = malloc (((unsigned) size)); - if (result == ((char *) NULL)) + long *result = (long *) malloc (((unsigned) size)); + if (result == ((long *) NULL)) fatal ("virtual memory exhausted", 0); return result; } -static char * +static long * xrealloc (ptr, size) - char *ptr; + long *ptr; int size; { - char *result = realloc (ptr, ((unsigned) size)); - if (result == ((char *) NULL)) + long *result = (long *) realloc (ptr, ((unsigned) size)); + if (result == ((long *) NULL)) fatal ("virtual memory exhausted"); return result; } @@ -197,8 +206,7 @@ init_linebuffer (linebuffer) } /* Read a line of text from `stream' into `linebuffer'. - * Return the length of the line. - */ + Return the length of the line. */ long readline (linebuffer, stream) @@ -215,7 +223,7 @@ readline (linebuffer, stream) if (p == end) { linebuffer->size *= 2; - buffer = ((char *) xrealloc (buffer, linebuffer->size)); + buffer = ((char *) xrealloc ((long *)buffer, linebuffer->size)); p = buffer + (p - linebuffer->buffer); end = buffer + linebuffer->size; linebuffer->buffer = buffer; @@ -231,6 +239,12 @@ readline (linebuffer, stream) return p - buffer; } +/* Extract a colon-terminated keyword from the string FIELD. + Return that keyword as a string stored in a static buffer. + Store the address of the rest of the string into *REST. + + If there is no keyword, return NULL and don't alter *REST. */ + char * get_keyword (field, rest) register char *field; @@ -238,22 +252,26 @@ get_keyword (field, rest) { static char keyword[KEYWORD_SIZE]; register char *ptr; - register char c; + register int c; ptr = &keyword[0]; - c = *field++; - if ((isspace (c)) || (c == ':')) + c = (unsigned char) *field++; + if (isspace (c) || c == ':') return ((char *) NULL); - *ptr++ = ((islower (c)) ? (toupper (c)) : c); - while (((c = *field++) != ':') && (!(isspace (c)))) - *ptr++ = ((islower (c)) ? (toupper (c)) : c); + *ptr++ = (islower (c) ? toupper (c) : c); + while (((c = (unsigned char) *field++) != ':') && ! isspace (c)) + *ptr++ = (islower (c) ? toupper (c) : c); *ptr++ = '\0'; - while (isspace (c)) c = *field++; - if (c != ':') return ((char *) NULL); + while (isspace (c)) + c = (unsigned char) *field++; + if (c != ':') + return ((char *) NULL); *rest = field; return &keyword[0]; } +/* Nonzero if the string FIELD starts with a colon-terminated keyword. */ + boolean has_keyword (field) char *field; @@ -262,6 +280,16 @@ has_keyword (field) return (get_keyword (field, &ignored) != ((char *) NULL)); } +/* Store the string FIELD, followed by any lines in THE_LIST, + into the buffer WHERE. + Concatenate lines, putting just a space between them. + Delete everything contained in parentheses. + When a recipient name contains <...>, we discard + everything except what is inside the <...>. + + We don't pay attention to overflowing WHERE; + the caller has to make it big enough. */ + char * add_field (the_list, field, where) line_list the_list; @@ -270,17 +298,48 @@ add_field (the_list, field, where) register char c; while (true) { + char *this_recipient_where; + int in_quotes = 0; + *where++ = ' '; + this_recipient_where = where; + while ((c = *field++) != '\0') { - if (c == '(') + if (c == '\\') + *where++ = c; + else if (c == '"') + { + in_quotes = ! in_quotes; + *where++ = c; + } + else if (in_quotes) + *where++ = c; + else if (c == '(') { while (*field && *field != ')') ++field; - if (! (*field++)) break; /* no closer */ - if (! (*field)) break; /* closerNULL */ - c = *field; + if (! (*field++)) break; /* no close */ + continue; + } + else if (c == ',') + { + *where++ = ' '; + /* When we get to the end of one recipient, + don't discard it if the next one has <...>. */ + this_recipient_where = where; + } + else if (c == '<') + /* Discard everything we got before the `<'. */ + where = this_recipient_where; + else if (c == '>') + /* Discard the rest of this name that follows the `>'. */ + { + while (*field && *field != ',') ++field; + if (! (*field++)) break; /* no comma */ + continue; } - *where++ = ((c == ','||c=='>'||c=='<') ? ' ' : c); + else + *where++ = c; } if (the_list == NIL) break; field = the_list->string; @@ -309,9 +368,9 @@ make_file_preface () user_length = strlen (temp); the_user = alloc_string (user_length + 1); strcpy (the_user, temp); - the_string = alloc_string (3 + prefix_length + - user_length + - date_length); + the_string = alloc_string (3 + prefix_length + + user_length + + date_length); temp = the_string; strcpy (temp, FROM_PREFIX); temp = &temp[prefix_length]; @@ -351,7 +410,7 @@ close_the_streams () no_problems = (no_problems && ((*rem->action) (rem->handle) == 0)); the_streams = ((stream_list) NULL); - return (no_problems ? 0 : 1); + return (no_problems ? EXIT_SUCCESS : EXIT_FAILURE); } void @@ -461,6 +520,10 @@ put_line (string) #define mail_error error +/* Handle an FCC field. FIELD is the text of the first line (after + the header name), and THE_LIST holds the continuation lines if any. + Call open_a_file for each file. */ + void setup_files (the_list, field) register line_list the_list; @@ -470,18 +533,18 @@ setup_files (the_list, field) register char c; while (true) { - while (((c = *field) != '\0') && - ((c == ' ') || - (c == '\t') || - (c == ','))) + while (((c = *field) != '\0') + && (c == ' ' + || c == '\t' + || c == ',')) field += 1; if (c != '\0') { start = field; - while (((c = *field) != '\0') && - (c != ' ') && - (c != '\t') && - (c != ',')) + while (((c = *field) != '\0') + && c != ' ' + && c != '\t' + && c != ',') field += 1; *field = '\0'; if (!open_a_file (start)) @@ -489,12 +552,16 @@ setup_files (the_list, field) *field = c; if (c != '\0') continue; } - if (the_list == ((line_list) NULL)) return; + if (the_list == ((line_list) NULL)) + return; field = the_list->string; the_list = the_list->continuation; } } +/* Compute the total size of all recipient names stored in THE_HEADER. + The result says how big to make the buffer to pass to parse_header. */ + int args_size (the_header) header the_header; @@ -506,9 +573,9 @@ args_size (the_header) { char *field; register char *keyword = get_keyword (the_header->text->string, &field); - if ((strcmp (keyword, "TO") == 0) || - (strcmp (keyword, "CC") == 0) || - (strcmp (keyword, "BCC") == 0)) + if ((strcmp (keyword, "TO") == 0) + || (strcmp (keyword, "CC") == 0) + || (strcmp (keyword, "BCC") == 0)) { size += 1 + strlen (field); for (rem = the_header->text->continuation; @@ -521,6 +588,13 @@ args_size (the_header) return size; } +/* Scan the header described by the lists THE_HEADER, + and put all recipient names into the buffer WHERE. + Precede each recipient name with a space. + + Also, if the header has any FCC fields, call setup_files for each one. */ + +void parse_header (the_header, where) header the_header; register char *where; @@ -547,7 +621,13 @@ parse_header (the_header, where) *where = '\0'; return; } - + +/* Read lines from the input until we get a blank line. + Create a list of `header' objects, one for each header field, + each of which points to a list of `line_list' objects, + one for each line in that field. + Continuation lines are grouped in the headers they continue. */ + header read_header () { @@ -587,7 +667,7 @@ read_header () if (next_line == ((line_list *) NULL)) { /* Not a valid header */ - exit (1); + exit (EXIT_FAILURE); } *next_line = new_list (); (*next_line)->string = alloc_string (length); @@ -618,7 +698,7 @@ write_header (the_header) return; } -void +int main (argc, argv) int argc; char **argv; @@ -647,7 +727,7 @@ main (argc, argv) command_line = alloc_string (name_length + args_size (the_header)); strcpy (command_line, mail_program_name); parse_header (the_header, &command_line[name_length]); - + the_pipe = popen (command_line, "w"); if (the_pipe == ((FILE *) NULL)) fatal ("cannot open pipe to real mailer"); @@ -670,3 +750,8 @@ main (argc, argv) #endif /* not MSDOS */ #endif /* not BSD 4.2 (or newer) */ + +/* arch-tag: acb0afa6-315a-4c5b-b9e3-def5725c8783 + (do not change this comment) */ + +/* fakemail.c ends here */